Import aap/librw @ masterHEADmaster

Snapshot for re3/reVC vendoring, per @lzcnt.
Source: https://github.com/aap/librw (master).

79 files changed, 11687 insertions, 0 deletions

diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
new file mode 100644
index 0000000..be7ea66
--- /dev/null
+++ b/tools/CMakeLists.txt
@@ -0,0 +1,20 @@
+if(LIBRW_TOOLS AND NOT LIBRW_PLATFORM_PS2)
+    add_subdirectory(dumprwtree)
+    add_subdirectory(ska2anm)
+endif()
+
+if(LIBRW_EXAMPLES)
+    if(TARGET librw::skeleton)
+        add_subdirectory(imguitest)
+        add_subdirectory(playground)
+        add_subdirectory(lights)
+        add_subdirectory(subrast)
+        add_subdirectory(camera)
+        add_subdirectory(im2d)
+        add_subdirectory(im3d)
+    endif()
+
+    if(LIBRW_PLATFORM_PS2)
+        add_subdirectory(ps2test)
+    endif()
+endif()
diff --git a/tools/camera/CMakeLists.txt b/tools/camera/CMakeLists.txt
new file mode 100644
index 0000000..6f0dd5f
--- /dev/null
+++ b/tools/camera/CMakeLists.txt
@@ -0,0 +1,19 @@
+add_executable(camera WIN32
+    main.cpp
+    camexamp.cpp
+    viewer.cpp
+)
+
+target_link_libraries(camera
+    PRIVATE
+        librw::skeleton
+        librw::librw
+)
+
+add_custom_command(
+    TARGET camera POST_BUILD
+    COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:camera>/files"
+    COMMAND "${CMAKE_COMMAND}" -E copy_directory "${CMAKE_CURRENT_SOURCE_DIR}/files" "$<TARGET_FILE_DIR:camera>/files"
+)
+
+librw_platform_target(camera)
diff --git a/tools/camera/camexamp.cpp b/tools/camera/camexamp.cpp
new file mode 100644
index 0000000..5f072c6
--- /dev/null
+++ b/tools/camera/camexamp.cpp
@@ -0,0 +1,395 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "viewer.h"
+#include "camexamp.h"
+
+#define TEXSIZE 256
+
+rw::Camera *MainCamera;
+rw::Camera *SubCamera;
+
+rw::Raster *SubCameraRaster;
+rw::Raster *SubCameraZRaster;
+rw::Raster *SubCameraMainCameraSubRaster;
+rw::Raster *SubCameraMainCameraSubZRaster;
+
+TextureCamera CameraTexture;
+
+rw::int32 CameraSelected = 0;
+rw::int32 ProjectionIndex = 0;
+bool SubCameraMiniView = true;
+
+CameraData SubCameraData;
+
+void
+CameraQueryData(CameraData *data, CameraDataType type, rw::Camera *camera)
+{
+	data->camera = camera;
+	if(type & FARCLIPPLANE) data->farClipPlane = camera->farPlane;
+	if(type & NEARCLIPPLANE) data->nearClipPlane = camera->nearPlane;
+	if(type & PROJECTION) data->projection = camera->projection;
+	if(type & OFFSET) data->offset = camera->viewOffset;
+	if(type & VIEWWINDOW) data->viewWindow = camera->viewWindow;
+	if(type & MATRIX) data->matrix = &camera->getFrame()->matrix;
+}
+
+void
+CameraSetData(CameraData *data, CameraDataType type)
+{
+	if(type & FARCLIPPLANE) data->camera->setFarPlane(data->farClipPlane);
+	if(type & NEARCLIPPLANE) data->camera->setNearPlane(data->nearClipPlane);
+	if(type & PROJECTION) data->camera->setProjection(data->projection);
+	if(type & OFFSET) data->camera->setViewOffset(&data->offset);
+	if(type & VIEWWINDOW) data->camera->setViewWindow(&data->viewWindow);
+}
+
+void
+ProjectionCallback(void)
+{
+	if(ProjectionIndex == 0)
+		SubCameraData.projection = rw::Camera::PERSPECTIVE;
+	else
+		SubCameraData.projection = rw::Camera::PARALLEL;
+	CameraSetData(&SubCameraData, PROJECTION);
+}
+
+void
+ClipPlaneCallback(void)
+{
+	CameraSetData(&SubCameraData, (CameraDataType)(NEARCLIPPLANE | FARCLIPPLANE));
+}
+
+void
+ChangeViewOffset(float deltaX, float deltaY)
+{
+	SubCameraData.offset.x += deltaX;
+	SubCameraData.offset.y += deltaY;
+	if(SubCameraData.offset.x > 5.0f)
+		SubCameraData.offset.x = 5.0f;
+	if(SubCameraData.offset.x < -5.0f)
+		SubCameraData.offset.x = -5.0f;
+	if(SubCameraData.offset.y > 5.0f)
+		SubCameraData.offset.y = 5.0f;
+	if(SubCameraData.offset.y < -5.0f)
+		SubCameraData.offset.y = -5.0f;
+	CameraSetData(&SubCameraData, OFFSET);
+}
+
+void
+ChangeViewWindow(float deltaX, float deltaY)
+{
+	SubCameraData.viewWindow.x += deltaX;
+	SubCameraData.viewWindow.y += deltaY;
+	if(SubCameraData.viewWindow.x > 5.0f)
+		SubCameraData.viewWindow.x = 5.0f;
+	if(SubCameraData.viewWindow.x < 0.01f)
+		SubCameraData.viewWindow.x = 0.01f;
+	if(SubCameraData.viewWindow.y > 5.0f)
+		SubCameraData.viewWindow.y = 5.0f;
+	if(SubCameraData.viewWindow.y < 0.01f)
+		SubCameraData.viewWindow.y = 0.01f;
+	CameraSetData(&SubCameraData, VIEWWINDOW);
+}
+
+void
+CamerasCreate(rw::World *world)
+{
+	rw::V3d offset = { 3.0f, 0.0f, 8.0f };
+	float rotate = -90.0f;
+
+	SubCamera = ViewerCreate(world);
+	ViewerMove(SubCamera, &offset);
+	ViewerRotate(SubCamera, rotate, 0.0f);
+
+	MainCamera = ViewerCreate(world);
+
+	CameraQueryData(&SubCameraData, ALL, SubCamera);
+
+	SubCameraData.nearClipPlane = 0.3f;
+	CameraSetData(&SubCameraData, NEARCLIPPLANE);
+
+	SubCameraData.farClipPlane = 5.0f;
+	CameraSetData(&SubCameraData, FARCLIPPLANE);
+
+	CameraTexture.camera = SubCamera;
+	CameraTextureInit(&CameraTexture);
+
+	SubCameraData.cameraTexture = &CameraTexture;
+
+
+	SubCameraMainCameraSubRaster = rw::Raster::create(0, 0, 0, rw::Raster::CAMERA);
+	SubCameraMainCameraSubZRaster = rw::Raster::create(0, 0, 0, rw::Raster::ZBUFFER);
+}
+
+void
+CamerasDestroy(rw::World *world)
+{
+	SubCameraMiniViewSelect(false);
+
+	if(MainCamera){
+		ViewerDestroy(MainCamera, world);
+		MainCamera = nil;
+	}
+
+	if(SubCamera){
+		ViewerDestroy(SubCamera, world);
+		SubCamera = nil;
+	}
+
+	CameraTextureTerm(&CameraTexture);
+
+	if(SubCameraMainCameraSubRaster){
+		SubCameraMainCameraSubRaster->destroy();
+		SubCameraMainCameraSubRaster = nil;
+	}
+
+	if(SubCameraMainCameraSubZRaster){
+		SubCameraMainCameraSubZRaster->destroy();
+		SubCameraMainCameraSubZRaster = nil;
+	}
+}
+
+void
+UpdateSubRaster(rw::Camera *camera, rw::Rect *rect)
+{
+	rw::Rect subRect;
+
+	subRect.x = rect->w * 0.75f;
+	subRect.y = 0;
+
+	subRect.w = rect->w * 0.25f;
+	subRect.h = rect->h * 0.25f;
+
+	SubCameraMainCameraSubRaster->subRaster(camera->frameBuffer, &subRect);
+	SubCameraMainCameraSubZRaster->subRaster(camera->zBuffer, &subRect);
+}
+
+void
+CameraSizeUpdate(rw::Rect *rect, float viewWindow, float aspectRatio)
+{
+	static bool RasterInit;
+
+	if(MainCamera == nil)
+		return;
+
+	sk::CameraSize(MainCamera, rect, viewWindow, aspectRatio);
+
+	UpdateSubRaster(MainCamera, rect);
+
+	if(RasterInit)
+		SubCameraMiniViewSelect(false);
+
+	sk::CameraSize(SubCamera, rect, viewWindow, aspectRatio);
+
+	SubCameraRaster = SubCamera->frameBuffer;
+	SubCameraZRaster = SubCamera->zBuffer;
+
+	RasterInit = true;
+	SubCameraMiniViewSelect(CameraSelected == 0);
+
+	CameraQueryData(&SubCameraData, VIEWWINDOW, SubCamera);
+}
+
+void
+RenderSubCamera(rw::RGBA *backgroundColor, rw::int32 clearMode, rw::World *world)
+{
+	SubCamera->clear(backgroundColor, clearMode);
+	SubCamera->beginUpdate();
+	world->render();
+	SubCamera->endUpdate();
+}
+
+void
+RenderTextureCamera(rw::RGBA *foregroundColor, rw::int32 clearMode, rw::World *world)
+{
+	rw::Raster *saveRaster, *saveZRaster;
+
+	saveRaster = CameraTexture.camera->frameBuffer;
+	saveZRaster = CameraTexture.camera->zBuffer;
+	CameraTexture.camera->frameBuffer = CameraTexture.raster;
+	CameraTexture.camera->zBuffer = CameraTexture.zRaster;
+
+	CameraTexture.camera->clear(foregroundColor, clearMode);
+	CameraTexture.camera->beginUpdate();
+	world->render();
+	CameraTexture.camera->endUpdate();
+
+
+	CameraTexture.camera->frameBuffer = saveRaster;
+	CameraTexture.camera->zBuffer = saveZRaster;
+}
+
+void
+SubCameraMiniViewSelect(bool select)
+{
+	if(select){
+		SubCamera->frameBuffer = SubCameraMainCameraSubRaster;
+		SubCamera->zBuffer = SubCameraMainCameraSubZRaster;
+	}else{
+		SubCamera->frameBuffer = SubCameraRaster;
+		SubCamera->zBuffer = SubCameraZRaster;
+	}
+}
+
+
+
+void
+CameraTextureInit(TextureCamera *ct)
+{
+	ct->raster = rw::Raster::create(TEXSIZE, TEXSIZE, 0, rw::Raster::CAMERATEXTURE);
+	assert(ct->raster);
+	ct->zRaster = rw::Raster::create(TEXSIZE, TEXSIZE, 0, rw::Raster::ZBUFFER);
+	assert(ct->zRaster);
+
+	ct->texture = rw::Texture::create(ct->raster);
+	ct->texture->setFilter(rw::Texture::FilterMode::LINEAR);
+}
+
+void
+CameraTextureTerm(TextureCamera *ct)
+{
+	if(ct->raster){	
+		ct->raster->destroy();
+		ct->raster = nil;
+	}
+
+	if(ct->zRaster){	
+		ct->zRaster->destroy();
+		ct->zRaster = nil;
+	}
+
+	if(ct->texture){
+		ct->texture->raster = nil;
+		ct->texture->destroy();
+		ct->texture = nil;
+	}
+}
+
+
+
+void
+DrawCameraFrustum(CameraData *c)
+{
+	rw::RGBA yellow = { 255, 255, 0, 64 };
+	rw::RGBA red = { 255, 0, 0, 255 };
+	rw::RWDEVICE::Im3DVertex frustum[13];
+	// lines
+	rw::uint16 indicesL[] = {
+		1,  2,  2,  3,  3,  4,  4,  1,
+		5,  6,  6,  7,  7,  8,  8,  5,
+		9, 10, 10, 11, 11, 12, 12,  9,
+		5,  9,  6, 10,  7, 11,  8, 12,
+		0,  0
+	};
+	// triangles
+	rw::uint16 indicesT[] = {
+		 5,  6, 10,
+		10,  9,  5,
+		 6,  7, 11,
+		11, 10,  6,
+		 7,  8, 12,
+		12, 11,  7,
+		 8,  5,  9,
+		 9, 12,  8,
+		
+		 7,  6,  5,
+		 5,  8,  7,
+		 9, 10, 11,
+		11, 12,  9
+	};
+	float signs[4][2] = {
+		{  1,  1 },
+		{ -1,  1 },
+		{ -1, -1 },
+		{  1, -1 }
+	};
+
+	float depth[3];
+	depth[0] = 1.0f;	// view window
+	depth[1] = c->nearClipPlane;
+	depth[2] = c->farClipPlane;
+
+	int k = 0;
+	frustum[k].setX(c->offset.x);
+	frustum[k].setY(c->offset.y);
+	frustum[k].setZ(0.0f);
+	k++;
+
+	for(int i = 0; i < 3; i++)	// depths
+		for(int j = 0; j < 4; j++){	// planes
+			if(c->projection == rw::Camera::PERSPECTIVE){
+				frustum[k].setX(-c->offset.x + depth[i]*(signs[j][0]*c->viewWindow.x + c->offset.x));
+				frustum[k].setY(c->offset.y + depth[i]*(signs[j][1]*c->viewWindow.y - c->offset.y));
+				frustum[k].setZ(depth[i]);
+			}else{
+				frustum[k].setX(-c->offset.x + signs[j][0]*c->viewWindow.x + depth[i]*c->offset.x);
+				frustum[k].setY(c->offset.y + signs[j][1]*c->viewWindow.y - depth[i]*c->offset.y);
+				frustum[k].setZ(depth[i]);
+			}
+			k++;
+		}
+
+	for(int i = 0; i < 5; i++)
+		frustum[i].setColor(red.red, red.green, red.blue, red.alpha);
+	for(int i = 5; i < 13; i++)
+		frustum[i].setColor(yellow.red, yellow.green, yellow.blue, 255);
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+
+	rw::im3d::Transform(frustum, 13, c->camera->getFrame()->getLTM(), rw::im3d::ALLOPAQUE);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPELINELIST, indicesL, 34);
+	rw::im3d::End();
+
+	for(int i = 5; i < 13; i++)
+		frustum[i].setColor(yellow.red, yellow.green, yellow.blue, yellow.alpha);
+
+	rw::SetRenderState(rw::VERTEXALPHA, 1);
+
+	rw::im3d::Transform(frustum, 13, c->camera->getFrame()->getLTM(), rw::im3d::ALLOPAQUE);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, indicesT, 36);
+	rw::im3d::End();
+}
+
+void
+DrawCameraViewplaneTexture(CameraData *c)
+{
+	rw::RGBA white = { 255, 255, 255, 255 };
+	rw::RWDEVICE::Im3DVertex frustum[4];
+	rw::uint16 indicesV[] = {
+		2, 1, 0,
+		0, 3, 2,
+		0, 1, 2,
+		2, 3, 0
+	};
+	float uvValues[4][2] = {
+		{ 0.0f, 0.0f },
+		{ 1.0f, 0.0f },
+		{ 1.0f, 1.0f },
+		{ 0.0f, 1.0f }
+	};
+	float signs[4][2] = {
+		{  1,  1 },
+		{ -1,  1 },
+		{ -1, -1 },
+		{  1, -1 }
+	};
+
+	for(int j = 0; j < 4; j++){
+		frustum[j].setX(signs[j][0]*c->viewWindow.x);
+		frustum[j].setY(signs[j][1]*c->viewWindow.y);
+		frustum[j].setZ(1.0f);
+	}
+	for(int i = 0; i < 4; i++){
+		frustum[i].setColor(white.red, white.green, white.blue, white.alpha);
+		frustum[i].setU(uvValues[i][0]);
+		frustum[i].setV(uvValues[i][1]);
+	}
+
+	rw::SetRenderState(rw::VERTEXALPHA, 1);
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, c->cameraTexture->texture->raster);
+
+	rw::im3d::Transform(frustum, 4, c->camera->getFrame()->getLTM(), rw::im3d::VERTEXUV);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, indicesV, 12);
+	rw::im3d::End();
+}
diff --git a/tools/camera/camexamp.h b/tools/camera/camexamp.h
new file mode 100644
index 0000000..7df301f
--- /dev/null
+++ b/tools/camera/camexamp.h
@@ -0,0 +1,62 @@
+struct TextureCamera
+{
+	rw::Raster *raster;
+	rw::Raster *zRaster;
+	rw::Camera *camera;
+	rw::Texture *texture;
+};
+
+struct CameraData
+{
+	float farClipPlane;
+	float nearClipPlane;
+	rw::uint32 projection;
+	rw::V2d offset;
+	rw::V2d viewWindow;
+	rw::Camera *camera;
+	TextureCamera *cameraTexture;
+	rw::Matrix *matrix;
+};
+
+enum CameraDataType
+{
+	NONE            = 0x00,
+	FARCLIPPLANE    = 0x01,
+	NEARCLIPPLANE   = 0x02,
+	PROJECTION      = 0x04,
+	OFFSET          = 0x08,
+	VIEWWINDOW      = 0x10,
+	MATRIX          = 0x20,
+	ALL             = 0xFF
+};
+
+extern rw::Camera *MainCamera;
+extern rw::Camera *SubCamera;
+
+extern rw::int32 CameraSelected;
+extern rw::int32 ProjectionIndex;
+
+extern CameraData SubCameraData;
+
+void CameraQueryData(CameraData *data, CameraDataType type, rw::Camera *camera);
+void CameraSetData(CameraData *data, CameraDataType type);
+
+void ChangeViewOffset(float deltaX, float deltaY);
+void ChangeViewWindow(float deltaX, float deltaY);
+void ProjectionCallback(void);
+void ClipPlaneCallback(void);
+
+void CamerasCreate(rw::World *world);
+void CamerasDestroy(rw::World *world);
+void CameraSizeUpdate(rw::Rect *rect, float viewWindow, float aspectRatio);
+void RenderSubCamera(rw::RGBA *foregroundColor, rw::int32 clearMode, rw::World *world);
+void RenderTextureCamera(rw::RGBA *foregroundColor, rw::int32 clearMode, rw::World *world);
+void SubCameraMiniViewSelect(bool select);
+
+void CameraTextureInit(TextureCamera *ct);
+void CameraTextureTerm(TextureCamera *ct);
+void DrawCameraFrustum(CameraData *c);
+void DrawCameraViewplaneTexture(CameraData *c);
+
+void ViewerRotate(rw::Camera *camera, float deltaX, float deltaY);
+void ViewerTranslate(rw::Camera *camera, float deltaX, float deltaY);
diff --git a/tools/camera/files/clump.dff b/tools/camera/files/clump.dff
new file mode 100644
index 0000000..960354f
--- /dev/null
+++ b/tools/camera/files/clump.dff
diff --git a/tools/camera/files/clump/shinarm.png b/tools/camera/files/clump/shinarm.png
new file mode 100644
index 0000000..1dbc402
--- /dev/null
+++ b/tools/camera/files/clump/shinarm.png
diff --git a/tools/camera/files/clump/shinbody.png b/tools/camera/files/clump/shinbody.png
new file mode 100644
index 0000000..645b198
--- /dev/null
+++ b/tools/camera/files/clump/shinbody.png
diff --git a/tools/camera/files/clump/shinface.png b/tools/camera/files/clump/shinface.png
new file mode 100644
index 0000000..014ca32
--- /dev/null
+++ b/tools/camera/files/clump/shinface.png
diff --git a/tools/camera/files/clump/shinleg.png b/tools/camera/files/clump/shinleg.png
new file mode 100644
index 0000000..e56c1c3
--- /dev/null
+++ b/tools/camera/files/clump/shinleg.png
diff --git a/tools/camera/main.cpp b/tools/camera/main.cpp
new file mode 100644
index 0000000..b50b40e
--- /dev/null
+++ b/tools/camera/main.cpp
@@ -0,0 +1,508 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+#include "viewer.h"
+#include "camexamp.h"
+
+rw::V3d zero = { 0.0f, 0.0f, 0.0f };
+rw::EngineOpenParams engineOpenParams;
+float FOV = 70.0f;
+
+rw::RGBA ForegroundColor = { 200, 200, 200, 255 };
+rw::RGBA BackgroundColor = { 64, 64, 64, 0 };
+rw::RGBA BackgroundColorSub = { 74, 74, 74, 0 };
+
+rw::World *World;
+rw::Charset *Charset;
+
+rw::V3d Xaxis = { 1.0f, 0.0, 0.0f };
+rw::V3d Yaxis = { 0.0f, 1.0, 0.0f };
+rw::V3d Zaxis = { 0.0f, 0.0, 1.0f };
+
+float TimeDelta;
+
+rw::Clump *Clump;
+
+rw::World*
+CreateWorld(void)
+{
+	rw::BBox bb;
+
+	bb.inf.x = bb.inf.y = bb.inf.z = -100.0f;
+	bb.sup.x = bb.sup.y = bb.sup.z = 100.0f;
+
+	return rw::World::create(&bb);
+}
+
+void
+LightsCreate(rw::World *world)
+{
+	rw::Light *light = rw::Light::create(rw::Light::AMBIENT);
+	assert(light);
+	World->addLight(light);
+
+	light = rw::Light::create(rw::Light::DIRECTIONAL);
+	assert(light);
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	frame->rotate(&Xaxis, 30.0f, rw::COMBINEREPLACE);
+	frame->rotate(&Yaxis, 30.0f, rw::COMBINEPOSTCONCAT);
+	light->setFrame(frame);
+	World->addLight(light);
+}
+
+rw::Clump*
+ClumpCreate(rw::World *world)
+{
+	rw::Clump *clump;
+	rw::StreamFile in;
+
+	rw::Image::setSearchPath("files/clump/");
+	const char *filename = "files/clump.dff";
+	if(in.open(filename, "rb") == NULL){
+		printf("couldn't open file\n");
+		return nil;
+	}
+	if(!rw::findChunk(&in, rw::ID_CLUMP, NULL, NULL))
+		return nil;
+	clump = rw::Clump::streamRead(&in);
+	in.close();
+	if(clump == nil)
+		return nil;
+
+	rw::Frame *frame = clump->getFrame();
+	rw::V3d pos = { 0.0f, 0.0f, 8.0f };
+	frame->translate(&pos, rw::COMBINEREPLACE);
+	World->addClump(clump);
+	return clump;
+}
+
+void
+ClumpRotate(rw::Clump *clump, rw::Camera *camera, float xAngle, float yAngle)
+{
+	rw::Matrix *cameraMatrix = &camera->getFrame()->matrix;
+	rw::Frame *clumpFrame = clump->getFrame();
+	rw::V3d pos = clumpFrame->matrix.pos;
+
+	pos = rw::scale(pos, -1.0f);
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	clumpFrame->rotate(&cameraMatrix->up, xAngle, rw::COMBINEPOSTCONCAT);
+	clumpFrame->rotate(&cameraMatrix->right, yAngle, rw::COMBINEPOSTCONCAT);
+
+	pos = rw::scale(pos, -1.0f);
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+}
+
+void
+ClumpTranslate(rw::Clump *clump, rw::Camera *camera, float xDelta, float yDelta)
+{
+	rw::Matrix *cameraMatrix = &camera->getFrame()->matrix;
+	rw::Frame *clumpFrame = clump->getFrame();
+
+	rw::V3d deltaX = rw::scale(cameraMatrix->right, xDelta);
+	rw::V3d deltaZ = rw::scale(cameraMatrix->at, yDelta);
+	rw::V3d delta = rw::add(deltaX, deltaZ);
+
+	clumpFrame->translate(&delta, rw::COMBINEPOSTCONCAT);
+}
+
+void
+ClumpSetPosition(rw::Clump *clump, rw::V3d *position)
+{
+	clump->getFrame()->translate(position, rw::COMBINEREPLACE);
+}
+
+void
+Initialize(void)
+{
+	sk::globals.windowtitle = "Camera example";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+Initialize3D(void)
+{
+	if(!sk::InitRW())
+		return false;
+
+	Charset = rw::Charset::create(&ForegroundColor, &BackgroundColor);
+
+	World = CreateWorld();
+
+	CamerasCreate(World);
+	LightsCreate(World);
+
+	Clump = ClumpCreate(World);
+
+	rw::SetRenderState(rw::CULLMODE, rw::CULLBACK);
+	rw::SetRenderState(rw::ZTESTENABLE, 1);
+	rw::SetRenderState(rw::ZWRITEENABLE, 1);
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	rw::Rect r;
+	r.x = 0;
+	r.y = 0;
+	r.w = sk::globals.width;
+	r.h = sk::globals.height;
+	CameraSizeUpdate(&r, 0.5f, 4.0f/3.0f);
+
+	return true;
+}
+
+void
+DestroyLight(rw::Light *light, rw::World *world)
+{
+	world->removeLight(light);
+	rw::Frame *frame = light->getFrame();
+	if(frame){
+		light->setFrame(nil);
+		frame->destroy();
+	}
+	light->destroy();
+}
+
+void
+Terminate3D(void)
+{
+	if(Clump){
+		World->removeClump(Clump);
+		Clump->destroy();
+		Clump = nil;
+	}
+
+	FORLIST(lnk, World->globalLights){
+		rw::Light *light = rw::Light::fromWorld(lnk);
+		DestroyLight(light, World);
+	}
+	FORLIST(lnk, World->localLights){
+		rw::Light *light = rw::Light::fromWorld(lnk);
+		DestroyLight(light, World);
+	}
+
+	CamerasDestroy(World);
+
+	if(World){
+		World->destroy();
+		World = nil;
+	}
+
+	if(Charset){
+		Charset->destroy();
+		Charset = nil;
+	}
+
+	sk::TerminateRW();
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+void
+DisplayOnScreenInfo(void)
+{
+	char str[256];
+	sprintf(str, "View window (%.2f, %.2f)", SubCameraData.viewWindow.x, SubCameraData.viewWindow.y);
+	Charset->print(str, 100, 100, 0);
+	sprintf(str, "View offset (%.2f, %.2f)", SubCameraData.offset.x, SubCameraData.offset.y);
+	Charset->print(str, 100, 120, 0);
+}
+
+void
+ResetCameraAndClump(void)
+{
+        SubCameraData.nearClipPlane = 0.3f;
+        SubCameraData.farClipPlane = 5.0f;
+        SubCameraData.projection = rw::Camera::PERSPECTIVE;
+        SubCameraData.offset.x = 0.0f;
+        SubCameraData.offset.y = 0.0f;
+        SubCameraData.viewWindow.x = 0.5f;
+        SubCameraData.viewWindow.y = 0.38f;
+	CameraSetData(&SubCameraData, ALL);
+	ProjectionIndex = 0;
+
+	rw::V3d position = { 3.0f, 0.0f, 8.0f };
+	rw::V3d point = { 0.0f, 0.0f, 8.0f };
+	ViewerSetPosition(SubCameraData.camera, &position);
+	ViewerRotate(SubCamera, -90.0f, 0.0f);
+
+	ClumpSetPosition(Clump, &point);
+}
+
+void
+Gui(void)
+{
+	static bool showCameraWindow = true;
+	ImGui::Begin("Camera", &showCameraWindow);
+
+	ImGui::RadioButton("Main camera", &CameraSelected, 0);
+	ImGui::RadioButton("Sub camera", &CameraSelected, 1);
+
+	if(ImGui::RadioButton("Perspective", &ProjectionIndex, 0))
+		ProjectionCallback();
+	if(ImGui::RadioButton("Parallel", &ProjectionIndex, 1))
+		ProjectionCallback();
+
+	if(ImGui::SliderFloat("Near clip-plane", &SubCameraData.nearClipPlane, 0.1f, SubCameraData.farClipPlane-0.1f))
+		ClipPlaneCallback();
+	if(ImGui::SliderFloat("Far clip-plane", &SubCameraData.farClipPlane, SubCameraData.nearClipPlane+0.1f, 20.0f))
+		ClipPlaneCallback();
+
+	if(ImGui::Button("Reset"))
+		ResetCameraAndClump();
+
+	ImGui::End();
+}
+
+void
+MainCameraRender(rw::Camera *camera)
+{
+	RenderTextureCamera(&BackgroundColorSub, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ, World);
+
+	camera->clear(&BackgroundColor, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+
+	camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(TimeDelta);
+
+	World->render();
+
+	DrawCameraViewplaneTexture(&SubCameraData);
+	DrawCameraFrustum(&SubCameraData);
+
+	DisplayOnScreenInfo();
+
+	Gui();
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	ImGui_ImplRW_RenderDrawLists(ImGui::GetDrawData());
+
+	camera->endUpdate();
+
+
+	RenderSubCamera(&BackgroundColorSub, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ, World);
+}
+
+void
+SubCameraRender(rw::Camera *camera)
+{
+	camera->clear(&BackgroundColor, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+
+	camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(TimeDelta);
+
+	World->render();
+
+	DisplayOnScreenInfo();
+
+	Gui();
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	ImGui_ImplRW_RenderDrawLists(ImGui::GetDrawData());
+
+	camera->endUpdate();
+}
+
+void
+Render(void)
+{
+	rw::Camera *camera;
+
+	SubCameraMiniViewSelect(CameraSelected == 0);
+
+	switch(CameraSelected){
+	default:
+	case 0:
+		camera = MainCamera;
+		MainCameraRender(camera);
+		break;
+	case 1:
+		camera = SubCamera;
+		SubCameraRender(camera);
+		break;
+	}
+	camera->showRaster(0);
+}
+
+void
+Idle(float timeDelta)
+{
+	TimeDelta = timeDelta;
+	Render();
+}
+
+int MouseX, MouseY;
+int MouseDeltaX, MouseDeltaY;
+int MouseButtons;
+
+bool RotateClump;
+bool TranslateClump;
+bool RotateCamera;
+bool TranslateCamera;
+bool ViewXWindow;
+bool ViewYWindow;
+bool ViewXOffset;
+bool ViewYOffset;
+
+bool Ctrl, Alt, Shift;
+
+void
+KeyUp(int key)
+{
+	switch(key){
+	case sk::KEY_LCTRL:
+	case sk::KEY_RCTRL:
+		Ctrl = false;
+		break;
+	case sk::KEY_LALT:
+	case sk::KEY_RALT:
+		Alt = false;
+		break;
+	case sk::KEY_LSHIFT:
+	case sk::KEY_RSHIFT:
+		Shift = false;
+		break;
+	}
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_LCTRL:
+	case sk::KEY_RCTRL:
+		Ctrl = true;
+		break;
+	case sk::KEY_LALT:
+	case sk::KEY_RALT:
+		Alt = true;
+		break;
+	case sk::KEY_LSHIFT:
+	case sk::KEY_RSHIFT:
+		Shift = true;
+		break;
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+void
+MouseBtn(sk::MouseState *mouse)
+{
+	MouseButtons = mouse->buttons;
+	RotateClump = !Ctrl && !Alt && !Shift && !!(MouseButtons&1);
+	TranslateClump = !Ctrl && !Alt && !Shift && !!(MouseButtons&4);
+	RotateCamera = Ctrl && !!(MouseButtons&1);
+	TranslateCamera = Ctrl && !!(MouseButtons&4);
+	ViewXWindow = Shift && !!(MouseButtons&1);
+	ViewYWindow = Shift && !!(MouseButtons&4);
+	ViewXOffset = Alt && !!(MouseButtons&1);
+	ViewYOffset = Alt && !!(MouseButtons&4);
+}
+
+void
+MouseMove(sk::MouseState *mouse)
+{
+	MouseDeltaX = mouse->posx - MouseX;
+	MouseDeltaY = mouse->posy - MouseY;
+	MouseX = mouse->posx;
+	MouseY = mouse->posy;
+
+	if(RotateClump)
+		ClumpRotate(Clump, MainCamera, MouseDeltaX, -MouseDeltaY);
+	if(TranslateClump)
+		ClumpTranslate(Clump, MainCamera, -MouseDeltaX*0.01f, -MouseDeltaY*0.1f);
+	if(RotateCamera)
+		ViewerRotate(SubCamera, -MouseDeltaX*0.1f, MouseDeltaY*0.1f);
+	if(TranslateCamera)
+		ViewerTranslate(SubCamera, -MouseDeltaX*0.01f, -MouseDeltaY*0.01f);
+	if(ViewXWindow)
+		ChangeViewWindow(-MouseDeltaY*0.01f, 0.0f);
+	if(ViewYWindow)
+		ChangeViewWindow(0.0f, -MouseDeltaY*0.01f);
+	if(ViewXOffset)
+		ChangeViewOffset(-MouseDeltaY*0.01f, 0.0f);
+	if(ViewYOffset)
+		ChangeViewOffset(0.0f, -MouseDeltaY*0.01f);
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+	MouseState *ms;
+
+	ImGuiEventHandler(e, param);
+	ImGuiIO &io = ImGui::GetIO();
+
+	switch(e){
+	case INITIALIZE:
+		Initialize();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return Initialize3D() ? EVENTPROCESSED : EVENTERROR;
+	case RWTERMINATE:
+		Terminate3D();
+		return EVENTPROCESSED;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case MOUSEBTN:
+		if(!io.WantCaptureMouse){
+			ms = (MouseState*)param;
+			MouseBtn(ms);
+		}else
+			MouseButtons = 0;
+		return EVENTPROCESSED;
+	case MOUSEMOVE:
+		MouseMove((MouseState*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+
+		CameraSizeUpdate(r, 0.5f, 4.0f/3.0f);
+		break;
+	case IDLE:
+		Idle(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}
diff --git a/tools/camera/viewer.cpp b/tools/camera/viewer.cpp
new file mode 100644
index 0000000..b9732d3
--- /dev/null
+++ b/tools/camera/viewer.cpp
@@ -0,0 +1,51 @@
+#include <rw.h>
+#include <skeleton.h>
+
+rw::Camera*
+ViewerCreate(rw::World *world)
+{
+	rw::Camera *camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	assert(camera);
+	camera->setNearPlane(0.1f);
+	camera->setFarPlane(500.0f);
+	world->addCamera(camera);
+	return camera;
+}
+
+void
+ViewerDestroy(rw::Camera *camera, rw::World *world)
+{
+	if(camera && world){
+		world->removeCamera(camera);
+		sk::CameraDestroy(camera);
+	}
+}
+
+void
+ViewerMove(rw::Camera *camera, rw::V3d *offset)
+{
+	sk::CameraMove(camera, offset);
+}
+
+void
+ViewerRotate(rw::Camera *camera, float deltaX, float deltaY)
+{
+	sk::CameraTilt(camera, nil, deltaY);
+	sk::CameraPan(camera, nil, deltaX);
+}
+
+void
+ViewerTranslate(rw::Camera *camera, float deltaX, float deltaY)
+{
+	rw::V3d offset;
+	offset.x = deltaX;
+	offset.y = deltaY;
+	offset.z = 0.0f;
+	sk::CameraMove(camera, &offset);
+}
+
+void
+ViewerSetPosition(rw::Camera *camera, rw::V3d *position)
+{
+	camera->getFrame()->translate(position, rw::COMBINEREPLACE);
+}
diff --git a/tools/camera/viewer.h b/tools/camera/viewer.h
new file mode 100644
index 0000000..acd5d79
--- /dev/null
+++ b/tools/camera/viewer.h
@@ -0,0 +1,6 @@
+rw::Camera *ViewerCreate(rw::World *world);
+void ViewerDestroy(rw::Camera *camera, rw::World *world);
+void ViewerMove(rw::Camera *camera, rw::V3d *offset);
+void ViewerRotate(rw::Camera *camera, float deltaX, float deltaY);
+void ViewerTranslate(rw::Camera *camera, float deltaX, float deltaY);
+void ViewerSetPosition(rw::Camera *camera, rw::V3d *position);
diff --git a/tools/dumprwtree/CMakeLists.txt b/tools/dumprwtree/CMakeLists.txt
new file mode 100644
index 0000000..092b3dd
--- /dev/null
+++ b/tools/dumprwtree/CMakeLists.txt
@@ -0,0 +1,20 @@
+add_executable(dumprwtree
+    dumprwtree.cpp
+)
+
+target_link_libraries(dumprwtree
+    PRIVATE
+        librw::librw
+)
+
+if(LIBRW_GL3_GFXLIB MATCHES "SDL[23]")
+    target_compile_definitions(dumprwtree PRIVATE SDL_MAIN_HANDLED)
+endif()
+
+if(LIBRW_INSTALL)
+    install(TARGETS dumprwtree
+        RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    )
+endif()
+
+librw_platform_target(dumprwtree INSTALL)
diff --git a/tools/dumprwtree/dumprwtree.cpp b/tools/dumprwtree/dumprwtree.cpp
new file mode 100644
index 0000000..ca86d3c
--- /dev/null
+++ b/tools/dumprwtree/dumprwtree.cpp
@@ -0,0 +1,145 @@
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <cassert>
+
+#include <rw.h>
+
+using namespace std;
+using namespace rw;
+
+const char *chunks[] = { "None", "Struct", "String", "Extension", "Unknown",
+	"Camera", "Texture", "Material", "Material List", "Atomic Section",
+	"Plane Section", "World", "Spline", "Matrix", "Frame List",
+	"Geometry", "Clump", "Unknown", "Light", "Unicode String", "Atomic",
+	"Texture Native", "Texture Dictionary", "Animation Database",
+	"Image", "Skin Animation", "Geometry List", "Anim Animation",
+	"Team", "Crowd", "Delta Morph Animation", "Right To Render",
+	"MultiTexture Effect Native", "MultiTexture Effect Dictionary",
+	"Team Dictionary", "Platform Independet Texture Dictionary",
+	"Table of Contents", "Particle Standard Global Data", "AltPipe",
+	"Platform Independet Peds", "Patch Mesh", "Chunk Group Start",
+	"Chunk Group End", "UV Animation Dictionary", "Coll Tree"
+};
+
+/* From 0x0101 through 0x0135 */
+const char *toolkitchunks0[] = { "Metrics PLG", "Spline PLG", "Stereo PLG",
+	"VRML PLG", "Morph PLG", "PVS PLG", "Memory Leak PLG", "Animation PLG",
+	"Gloss PLG", "Logo PLG", "Memory Info PLG", "Random PLG",
+	"PNG Image PLG", "Bone PLG", "VRML Anim PLG", "Sky Mipmap Val",
+	"MRM PLG", "LOD Atomic PLG", "ME PLG", "Lightmap PLG",
+	"Refine PLG", "Skin PLG", "Label PLG", "Particles PLG", "GeomTX PLG",
+	"Synth Core PLG", "STQPP PLG",
+	"Part PP PLG", "Collision PLG", "HAnim PLG", "User Data PLG",
+	"Material Effects PLG", "Particle System PLG", "Delta Morph PLG",
+	"Patch PLG", "Team PLG", "Crowd PP PLG", "Mip Split PLG",
+	"Anisotrophy PLG", "Not used", "GCN Material PLG", "Geometric PVS PLG",
+	"XBOX Material PLG", "Multi Texture PLG", "Chain PLG", "Toon PLG",
+	"PTank PLG", "Particle Standard PLG", "PDS PLG", "PrtAdv PLG",
+	"Normal Map PLG", "ADC PLG", "UV Animation PLG"
+};
+
+/* From 0x0180 through 0x01c1 */
+const char *toolkitchunks1[] = {
+	"Character Set PLG", "NOHS World PLG", "Import Util PLG",
+	"Slerp PLG", "Optim PLG", "TL World PLG", "Database PLG",
+	"Raytrace PLG", "Ray PLG", "Library PLG",
+	"Not used", "Not used", "Not used", "Not used", "Not used", "Not used",
+	"2D PLG", "Tile Render PLG", "JPEG Image PLG", "TGA Image PLG",
+	"GIF Image PLG", "Quat PLG", "Spline PVS PLG", "Mipmap PLG",
+	"MipmapK PLG", "2D Font", "Intersection PLG", "TIFF Image PLG",
+	"Pick PLG", "BMP Image PLG", "RAS Image PLG", "Skin FX PLG",
+	"VCAT PLG", "2D Path", "2D Brush", "2D Object", "2D Shape", "2D Scene",
+	"2D Pick Region", "2D Object String", "2D Animation PLG",
+	"2D Animation",
+	"Not used", "Not used", "Not used", "Not used", "Not used", "Not used",
+	"2D Keyframe", "2D Maestro", "Barycentric",
+	"Platform Independent Texture Dictionary TK", "TOC TK", "TPL TK",
+	"AltPipe TK", "Animation TK", "Skin Split Tookit", "Compressed Key TK",
+	"Geometry Conditioning PLG", "Wing PLG", "Generic Pipeline TK",
+	"Lightmap Conversion TK", "Filesystem PLG", "Dictionary TK",
+	"UV Animation Linear", "UV Animation Parameter"
+};
+
+const char *RSchunks[] = { "Unused 1", "Unused 2", "Extra Normals",
+	"Pipeline Set", "Unused 5", "Unused 6", "Specular Material",
+	"Unused 8", "2dfx", "Extra Colors", "Collision Model",
+	"Unused 12", "Environment Material", "Breakable", "Node Name",
+	"Unused 16"
+};
+
+const char*
+getChunkName(uint32 id)
+{
+	switch(id){
+	case 0x50E:
+		return "Bin Mesh PLG";
+	case 0x510:
+		return "Native Data PLG";
+	case 0x511:
+		return "Vertex Format PLG";
+	case 0xF21E:
+		return "ZModeler Lock";
+	}
+
+	if(id <= 45)
+		return chunks[id];
+        else if(id <= 0x0253F2FF && id >= 0x0253F2F0)
+                return RSchunks[id-0x0253F2F0];
+        else if(id <= 0x0135 && id >= 0x0101)
+                return toolkitchunks0[id-0x0101];
+        else if(id <= 0x01C0 && id >= 0x0181)
+                return toolkitchunks1[id-0x0181];
+        else
+                return "Unknown";
+}
+
+void
+readchunk(StreamFile *s, ChunkHeaderInfo *h, int level)
+{
+	for(int i = 0; i < level; i++)
+		printf("  ");
+	const char *name = getChunkName(h->type);
+	printf("%s (%x bytes @ 0x%x/0x%x) - [0x%x]\n",
+		name, h->length, s->tell()-12, s->tell(), h->type);
+
+	uint32 end = s->tell() + h->length;
+	while(s->tell() < end){
+		ChunkHeaderInfo nh;
+		readChunkHeaderInfo(s, &nh);
+		if(nh.version == h->version && nh.build == h->build){
+			readchunk(s, &nh, level+1);
+			if(h->type == 0x510)
+				s->seek(end, 0);
+		}else{
+			s->seek(h->length-12);
+			break;
+		}
+	}
+}
+
+int
+main(int argc, char *argv[])
+{
+	if(argc < 2){
+		fprintf(stderr, "usage: %s rwStreamFile\n", argv[0]);
+		return 0;
+	}
+	StreamFile s;
+	s.open(argv[1], "rb");
+
+	ChunkHeaderInfo header, last;
+	while(readChunkHeaderInfo(&s, &header)){
+		if(header.type == 0)
+			break;
+		last = header;
+		if(argc == 2)
+			readchunk(&s, &header, 0);
+	}
+
+	printf("%x %x %x\n", last.version, last.build,
+		libraryIDPack(last.version, last.build));
+
+	s.close();
+	return 0;
+}
diff --git a/tools/hopalong/main.cpp b/tools/hopalong/main.cpp
new file mode 100644
index 0000000..7399ff1
--- /dev/null
+++ b/tools/hopalong/main.cpp
@@ -0,0 +1,469 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+rw::V3d zero = { 0.0f, 0.0f, 0.0f };
+struct SceneGlobals {
+	rw::World *world;
+	rw::Camera *camera;
+} Scene;
+rw::EngineOpenParams engineOpenParams;
+
+rw::Texture *ParticleTex;
+rw::Raster *ParticleRaster;
+
+static rw::RWDEVICE::Im2DVertex im2dVerts[1024];
+static int numImVerts;
+static rw::uint16 imIndices[1024*2];
+static int numImIndices;
+static rw::PrimitiveType imPrim;
+
+void
+BeginIm2D(rw::PrimitiveType prim)
+{
+	numImVerts = 0;
+	numImIndices = 0;
+	imPrim = prim;
+}
+
+void
+EndIm2D(void)
+{
+	rw::im2d::RenderIndexedPrimitive(imPrim, &im2dVerts, numImVerts, &imIndices, numImIndices);
+}
+
+void
+RenderParticle(float x, float y, float sz, rw::RGBA col)
+{
+	using namespace rw;
+	using namespace RWDEVICE;
+
+	if(numImVerts+4 > nelem(im2dVerts) ||
+	   numImIndices+6 > nelem(imIndices)){
+		EndIm2D();
+		numImVerts = 0;
+		numImIndices = 0;
+	}
+
+	float recipZ = 1.0f/Scene.camera->nearPlane;
+	rw::RWDEVICE::Im2DVertex *verts = &im2dVerts[numImVerts];
+
+	x += sk::globals.width/2;
+	y += sk::globals.height/2;
+
+	verts[0].setScreenX(x-sz);
+	verts[0].setScreenY(y-sz);
+	verts[0].setScreenZ(rw::im2d::GetNearZ());
+	verts[0].setCameraZ(Scene.camera->nearPlane);
+	verts[0].setRecipCameraZ(recipZ);
+	verts[0].setColor(col.red, col.green, col.blue, col.alpha);
+	verts[0].setU(0.0f, recipZ);
+	verts[0].setV(0.0f, recipZ);
+
+	verts[1].setScreenX(x+sz);
+	verts[1].setScreenY(y-sz);
+	verts[1].setScreenZ(rw::im2d::GetNearZ());
+	verts[1].setCameraZ(Scene.camera->nearPlane);
+	verts[1].setRecipCameraZ(recipZ);
+	verts[1].setColor(col.red, col.green, col.blue, col.alpha);
+	verts[1].setU(1.0f, recipZ);
+	verts[1].setV(0.0f, recipZ);
+
+	verts[2].setScreenX(x+sz);
+	verts[2].setScreenY(y+sz);
+	verts[2].setScreenZ(rw::im2d::GetNearZ());
+	verts[2].setCameraZ(Scene.camera->nearPlane);
+	verts[2].setRecipCameraZ(recipZ);
+	verts[2].setColor(col.red, col.green, col.blue, col.alpha);
+	verts[2].setU(1.0f, recipZ);
+	verts[2].setV(1.0f, recipZ);
+
+	verts[3].setScreenX(x-sz);
+	verts[3].setScreenY(y+sz);
+	verts[3].setScreenZ(rw::im2d::GetNearZ());
+	verts[3].setCameraZ(Scene.camera->nearPlane);
+	verts[3].setRecipCameraZ(recipZ);
+	verts[3].setColor(col.red, col.green, col.blue, col.alpha);
+	verts[3].setU(0.0f, recipZ);
+	verts[3].setV(1.0f, recipZ);
+
+	imIndices[numImIndices+0] = numImVerts+0;
+	imIndices[numImIndices+1] = numImVerts+1;
+	imIndices[numImIndices+2] = numImVerts+2;
+	imIndices[numImIndices+3] = numImVerts+0;
+	imIndices[numImIndices+4] = numImVerts+2;
+	imIndices[numImIndices+5] = numImVerts+3;
+
+	numImVerts += 4;
+	numImIndices += 6;
+}
+
+float sgn(float f) { return f < 0.0f ? -1.0f : f > 0.0f ? 1.0f : 0.0f; }
+
+struct Orbit
+{
+	ImVec4 color;
+	float StartX;
+	float StartY;
+	float PointSz;
+	int numIterations;
+	bool used;
+};
+
+Orbit orbits[100];
+int curOrbit = 0;
+
+float A = 0.0f;
+float B = 0.0f;
+float C = 0.0f;
+float D = 0.0f;
+float E = 0.0f;
+float Exp = 0.25f;
+float Scale = 50.0f;
+int type;
+bool textured = true;
+bool animateX;
+bool animateY;
+bool animateA;
+bool animateB;
+bool animateC;
+
+void
+ResetOrbit(Orbit *o)
+{
+	o->color = ImVec4(1.0f, 0.0f, 0.0f, 1.00f);
+	o->StartX = 1.0f;
+	o->StartY = 0.0f;
+	o->PointSz = 3.0f;
+	o->numIterations = 1000;
+	o->used = false;
+}
+
+void
+RenderOrbit(Orbit *o)
+{
+	rw::RGBA red = { 0xFF, 0, 0, 0xFF };
+	rw::RGBA color = rw::makeRGBA(o->color.x*255, o->color.y*255, o->color.z*255, o->color.w*255);
+
+	float x1, y1;
+	float x0 = o->StartX;
+	float y0 = o->StartY;
+	int n = o->numIterations;
+
+	if(textured){
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, ParticleRaster);
+		rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::LINEAR);
+	}else
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	BeginIm2D(rw::PRIMTYPETRILIST);
+	while(n--){
+		switch(type){
+		case 0:
+		default:
+			x1 = y0 - sgn(x0)*(D + sqrtf(fabs(B*x0 - C)));
+			break;
+		case 1:
+			x1 = y0 - sgn(x0)*(D + powf(fabs(B*x0 - C), Exp));
+			break;
+		case 2:
+			x1 = y0 - sgn(x0)*(D + logf(2.0f + sqrtf(fabs(B*x0 - C))));
+			break;
+		}
+		y1 = A - x0;
+		x1 += E;
+		RenderParticle(x1*Scale, y1*Scale, o->PointSz, color);
+		x0 = x1;
+		y0 = y1;
+	}
+	EndIm2D();
+}
+
+void
+RenderHopalong(void)
+{
+	int i;
+	for(i = 0; i < nelem(orbits); i++)
+		if(orbits[i].used)
+			RenderOrbit(&orbits[i]);
+}
+
+void
+Init(void)
+{
+	sk::globals.windowtitle = "Hopalong map";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+#include "particle.inc"
+
+#include "vfs.h"
+VFS_file files[] = {
+	{ "particle.png", particle_png, particle_png_len }
+};
+VFS vfs = {
+	files, nelem(files)
+};
+
+bool
+InitRW(void)
+{
+	if(!sk::InitRW())
+		return false;
+	installVFS(&vfs);
+
+	Scene.world = rw::World::create();
+
+	ParticleTex = rw::Texture::read("particle", nil);
+	if(ParticleTex)
+		ParticleRaster = ParticleTex->raster;
+
+	rw::Light *ambient = rw::Light::create(rw::Light::AMBIENT);
+	ambient->setColor(0.2f, 0.2f, 0.2f);
+	Scene.world->addLight(ambient);
+
+	rw::V3d xaxis = { 1.0f, 0.0f, 0.0f };
+	rw::Light *direct = rw::Light::create(rw::Light::DIRECTIONAL);
+	direct->setColor(0.8f, 0.8f, 0.8f);
+	direct->setFrame(rw::Frame::create());
+	direct->getFrame()->rotate(&xaxis, 180.0f, rw::COMBINEREPLACE);
+	Scene.world->addLight(direct);
+
+	Scene.camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	Scene.world->addCamera(Scene.camera);
+
+
+	for(int i = 0; i < nelem(orbits); i++)
+		ResetOrbit(&orbits[i]);
+	orbits[0].used = true;
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	return true;
+}
+
+void
+orbitGUI(Orbit *o)
+{
+	ImGui::SliderFloat("x0", &o->StartX, -10.0f, 10.0f);
+	ImGui::SliderFloat("y0", &o->StartY, -10.0f, 10.0f);
+	ImGui::SliderFloat("Point Size", &o->PointSz, 0.5f, 10.0f);
+	ImGui::SliderInt("NumPoints", &o->numIterations, 1, 10000);
+	ImGui::ColorEdit3("color", (float*)&o->color);
+
+/*
+	ImGui::Checkbox("Textured", &textured);
+	ImGui::Checkbox("AnimateX", &animateX);
+	ImGui::Checkbox("AnimateY", &animateY);
+	ImGui::Checkbox("AnimateA", &animateA);
+	ImGui::Checkbox("AnimateB", &animateB);
+	ImGui::Checkbox("AnimateC", &animateC);
+*/
+}
+
+void
+hopalongGUI(void)
+{
+	int i;
+	static char tmp[128];
+	if(curOrbit >= 0)
+		orbitGUI(&orbits[curOrbit]);
+	ImGui::SliderFloat("A", &A, -10.0f, 10.0f);
+	ImGui::SliderFloat("B", &B, -10.0f, 10.0f);
+	ImGui::SliderFloat("C", &C, -10.0f, 10.0f);
+	ImGui::SliderFloat("D", &D, -10.0f, 10.0f);
+	ImGui::SliderFloat("E", &E, -10.0f, 10.0f);
+	ImGui::SliderFloat("exp", &Exp, 0.001f, 4.0f);
+	ImGui::RadioButton("sqrt", &type, 0);
+	ImGui::RadioButton("^exp", &type, 1);
+	ImGui::RadioButton("log", &type, 2);
+	ImGui::SliderFloat("Scale", &Scale, 1.0f, 100.0f);
+	for(i = 0; i < nelem(orbits); i++){
+		if(orbits[i].used){
+			sprintf(tmp, "Orbit %d\n", i);
+			if(ImGui::Button(tmp))
+				curOrbit = i;
+		}
+	}
+	if( ImGui::Button("Add Orbit"))
+		for(i = 0; i < nelem(orbits); i++)
+			if(!orbits[i].used){
+				ResetOrbit(&orbits[i]);
+				orbits[i].used = true;
+				curOrbit = i;
+				break;
+			}
+	if(curOrbit >= 0 && ImGui::Button("Remove Orbit")){
+		orbits[curOrbit].used = false;
+		curOrbit = -1;
+		for(i = 0; i < nelem(orbits); i++)
+			if(orbits[i].used){
+				curOrbit = i;
+				break;
+			}
+	}
+}
+
+#ifdef __unix__
+#include <unistd.h>
+#endif
+
+void
+Draw(float timeDelta)
+{
+	static bool show_demo_window = false;
+
+	rw::RGBA clearcol = { 0, 0, 0, 255 };
+	Scene.camera->clear(&clearcol, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+	Scene.camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(timeDelta);
+
+	RenderHopalong();
+
+/*
+	if(animateX) StartX += timeDelta/10000.0f;
+	if(animateY) StartY += timeDelta/10000.0f;
+	if(animateA) A += timeDelta/10000.0f;
+	if(animateB) B += timeDelta/10000.0f;
+	if(animateC) C += timeDelta/10000.0f;
+*/
+
+	hopalongGUI();
+
+	if(show_demo_window){
+		ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver);
+		ImGui::ShowDemoWindow(&show_demo_window);
+	}
+
+
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	ImGui_ImplRW_RenderDrawLists(ImGui::GetDrawData());
+
+	Scene.camera->endUpdate();
+	Scene.camera->showRaster(0);
+
+#ifdef __unix__
+	usleep(10000);
+#endif
+}
+
+
+void
+KeyUp(int key)
+{
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+int MouseX, MouseY;
+int MouseDeltaX, MouseDeltaY;
+int MouseButtons;
+
+void
+MouseBtn(sk::MouseState *mouse)
+{
+	MouseButtons = mouse->buttons;
+}
+
+void
+MouseMove(sk::MouseState *mouse)
+{
+	MouseDeltaX = mouse->posx - MouseX;
+	MouseDeltaY = mouse->posy - MouseY;
+	MouseX = mouse->posx;
+	MouseY = mouse->posy;
+	if(MouseButtons&1){
+		int mx = MouseX - sk::globals.width/2;
+		int my = MouseY - sk::globals.height/2;
+		if(curOrbit >= 0){
+			orbits[curOrbit].StartX = mx/Scale;
+			orbits[curOrbit].StartY = my/Scale;
+		}
+	}
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+	MouseState *ms;
+
+	ImGuiEventHandler(e, param);
+	ImGuiIO &io = ImGui::GetIO();
+
+	switch(e){
+	case INITIALIZE:
+		Init();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return ::InitRW() ? EVENTPROCESSED : EVENTERROR;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case MOUSEBTN:
+		if(!io.WantCaptureMouse){
+			ms = (MouseState*)param;
+			MouseBtn(ms);
+		}else
+			MouseButtons = 0;
+		return EVENTPROCESSED;
+	case MOUSEMOVE:
+		MouseMove((MouseState*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		// TODO: set aspect ratio
+		if(Scene.camera)
+			sk::CameraSize(Scene.camera, r);
+		break;
+	case IDLE:
+		Draw(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}
diff --git a/tools/hopalong/particle.inc b/tools/hopalong/particle.inc
new file mode 100644
index 0000000..5eeabe0
--- /dev/null
+++ b/tools/hopalong/particle.inc
@@ -0,0 +1,467 @@
+unsigned char particle_png[] = {
+  0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d,
+  0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00,
+  0x08, 0x03, 0x00, 0x00, 0x00, 0x6b, 0xac, 0x58, 0x54, 0x00, 0x00, 0x02,
+  0xfd, 0x50, 0x4c, 0x54, 0x45, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0x52, 0x92, 0xc4, 0x9b, 0x00, 0x00, 0x00, 0xfe, 0x74, 0x52,
+  0x4e, 0x53, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+  0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
+  0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
+  0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
+  0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a,
+  0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46,
+  0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52,
+  0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e,
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+  0x90, 0xff, 0xb2, 0x80, 0x91, 0x31, 0xa0, 0x80, 0x7e, 0x08, 0x9a, 0x67,
+  0x20, 0xfc, 0x61, 0xa0, 0x49, 0xc1, 0x7e, 0x18, 0x52, 0x40, 0x06, 0xc0,
+  0x58, 0x0b, 0x58, 0xc6, 0xc0, 0x09, 0x57, 0xec, 0x0a, 0xe8, 0x87, 0x00,
+  0xdf, 0x11, 0xb4, 0x06, 0x7d, 0x57, 0x70, 0x3d, 0x0a, 0x20, 0xa0, 0x2e,
+  0xa7, 0x24, 0x03, 0xe0, 0xba, 0x00, 0x63, 0xa0, 0x76, 0x41, 0x1f, 0x80,
+  0xee, 0x00, 0xb7, 0x40, 0x9f, 0x01, 0x6e, 0x01, 0xf7, 0x40, 0x1f, 0x84,
+  0x59, 0x80, 0x7d, 0x00, 0xac, 0x05, 0x50, 0x86, 0x6e, 0xff, 0x4c, 0x80,
+  0x7e, 0x07, 0xac, 0x33, 0xe0, 0xfa, 0x1e, 0xc8, 0x14, 0x20, 0x08, 0x28,
+  0xc0, 0xdf, 0x09, 0xd0, 0x40, 0xcd, 0x84, 0xb9, 0x16, 0x0e, 0x12, 0xe0,
+  0xbc, 0x84, 0x02, 0x0c, 0x34, 0x73, 0x00, 0xfc, 0x81, 0x7f, 0xf2, 0x93,
+  0x02, 0x8f, 0x7c, 0xdd, 0x6b, 0xfe, 0x83, 0x7f, 0x25, 0x60, 0x6d, 0x20,
+  0xdb, 0xd0, 0x3f, 0x47, 0xdd, 0xf3, 0x43, 0xe1, 0xa6, 0x04, 0x3c, 0x0d,
+  0xf6, 0x35, 0x10, 0x1f, 0x13, 0x17, 0xfe, 0x34, 0x08, 0xb3, 0xff, 0xe4,
+  0xbf, 0x2e, 0xc0, 0x18, 0x38, 0x0a, 0x0d, 0x01, 0x9e, 0x02, 0x32, 0x04,
+  0xeb, 0x3a, 0xda, 0x41, 0xd0, 0x51, 0xb0, 0x2c, 0xc4, 0x91, 0x70, 0x7a,
+  0x22, 0x50, 0x40, 0x69, 0x7a, 0x64, 0x00, 0xec, 0x08, 0x28, 0x03, 0x91,
+  0x84, 0x73, 0x7c, 0xf9, 0x0b, 0xbf, 0x1b, 0x04, 0x47, 0x3b, 0x0a, 0x96,
+  0x02, 0x0d, 0xcc, 0x14, 0x64, 0xfe, 0x15, 0xff, 0x5a, 0xc0, 0xd2, 0x80,
+  0x5d, 0x60, 0xfe, 0xf5, 0xe7, 0xa0, 0x30, 0xb0, 0x6e, 0x81, 0xe4, 0xef,
+  0x4f, 0x44, 0x26, 0xa1, 0xf9, 0x2f, 0xff, 0x45, 0x01, 0xc4, 0xc0, 0xf8,
+  0x4f, 0x54, 0xd4, 0x04, 0x40, 0xc7, 0xef, 0x51, 0xe8, 0x18, 0x29, 0xe0,
+  0xbc, 0x78, 0x1c, 0x6a, 0x0c, 0x10, 0x03, 0xe5, 0xe2, 0xff, 0x7f, 0x3d,
+  0x2a, 0x00, 0x36, 0x04, 0x10, 0x84, 0x59, 0x06, 0x4e, 0x40, 0x69, 0xa0,
+  0x89, 0x00, 0x16, 0x40, 0x2c, 0x81, 0x3e, 0x04, 0x92, 0xdf, 0x79, 0x28,
+  0xe3, 0x9f, 0x00, 0xec, 0xe8, 0xb6, 0x0c, 0x1c, 0xd3, 0x0a, 0x24, 0x02,
+  0xc2, 0xc0, 0xb2, 0x06, 0x93, 0x9f, 0x10, 0xb0, 0x0a, 0xeb, 0xda, 0xf3,
+  0x6f, 0x09, 0xd0, 0xc0, 0x21, 0xbe, 0x11, 0x98, 0xf8, 0xfd, 0x1c, 0xd4,
+  0x4e, 0x42, 0xa5, 0xc0, 0x18, 0x54, 0xc1, 0x43, 0xfe, 0x3d, 0x01, 0x8d,
+  0x81, 0xcc, 0xbf, 0x9e, 0xdf, 0x93, 0x40, 0x23, 0x80, 0xd3, 0xc0, 0xca,
+  0x40, 0x26, 0xa1, 0xfc, 0xdb, 0x02, 0x1a, 0x03, 0x87, 0x67, 0x80, 0x86,
+  0xdf, 0x08, 0x60, 0x0e, 0x30, 0x04, 0x1a, 0x03, 0x9e, 0x09, 0x1e, 0x3d,
+  0xff, 0xbe, 0x80, 0x34, 0xf0, 0x14, 0x70, 0xb0, 0x03, 0x8c, 0x40, 0x33,
+  0xb0, 0x11, 0x60, 0x0a, 0x1a, 0x83, 0xec, 0x81, 0xc7, 0x53, 0x40, 0xf2,
+  0x8f, 0x7d, 0x01, 0x1a, 0xa8, 0x3a, 0x2c, 0x54, 0x02, 0x90, 0x08, 0x34,
+  0x03, 0x8d, 0x00, 0x43, 0x20, 0xf8, 0x8d, 0xc1, 0x0c, 0xc2, 0xa0, 0xaf,
+  0xfa, 0x83, 0x7f, 0x43, 0x80, 0x06, 0x4e, 0x94, 0x52, 0x10, 0xf8, 0x56,
+  0xc0, 0xf5, 0x0c, 0xbc, 0x96, 0x82, 0x14, 0x41, 0x28, 0x28, 0xfc, 0xf3,
+  0x7f, 0x83, 0x7f, 0x57, 0x80, 0x06, 0x42, 0x41, 0xf0, 0xaf, 0xa7, 0x20,
+  0xcf, 0x42, 0x9e, 0x86, 0xfa, 0x59, 0xc8, 0x20, 0x0c, 0x7c, 0xf9, 0xf7,
+  0x05, 0x68, 0x60, 0x54, 0x0e, 0x84, 0x82, 0x65, 0x05, 0x58, 0x02, 0x0a,
+  0xa0, 0x06, 0x96, 0x45, 0xf0, 0xc2, 0x8f, 0xd3, 0xaf, 0xfc, 0xfb, 0x02,
+  0x3c, 0x17, 0xfc, 0x54, 0x20, 0xbf, 0x63, 0xa0, 0x19, 0x98, 0x6f, 0x8b,
+  0x4f, 0x53, 0x90, 0x61, 0x50, 0x03, 0x3f, 0xf1, 0x9d, 0xff, 0xf7, 0x05,
+  0x68, 0xa0, 0x04, 0x44, 0x23, 0x96, 0x81, 0x52, 0xe2, 0x18, 0xf8, 0x3b,
+  0x01, 0x0c, 0x83, 0x85, 0x5b, 0xfc, 0xd1, 0x7d, 0x25, 0x00, 0xfe, 0x4d,
+  0x01, 0x1a, 0x20, 0x09, 0xe4, 0x77, 0x0c, 0x54, 0x00, 0xc7, 0x61, 0x05,
+  0x38, 0x0c, 0x6a, 0x80, 0xdd, 0x2f, 0xff, 0xbe, 0x00, 0x0d, 0xb8, 0x0f,
+  0xa6, 0x15, 0xa8, 0x81, 0x4b, 0x02, 0xe4, 0x9f, 0x56, 0xa1, 0xab, 0xbf,
+  0xf8, 0xef, 0x11, 0x60, 0x14, 0xe2, 0x80, 0x08, 0xdc, 0x10, 0xd0, 0xc6,
+  0x20, 0xf4, 0xc6, 0xdf, 0x4d, 0x02, 0xca, 0x40, 0x11, 0x95, 0x00, 0xf8,
+  0xeb, 0x37, 0x63, 0xde, 0x82, 0x53, 0x01, 0xf3, 0x1e, 0x1c, 0x85, 0x89,
+  0x81, 0x12, 0x50, 0xbe, 0x8a, 0xff, 0x0e, 0x01, 0x1a, 0x70, 0x15, 0x50,
+  0x01, 0xc5, 0x5e, 0x97, 0x71, 0x4d, 0x40, 0xf6, 0x60, 0x59, 0xa0, 0x08,
+  0x7c, 0xf5, 0xe5, 0xbf, 0x4b, 0x40, 0x15, 0x79, 0xae, 0x82, 0x02, 0xb7,
+  0x02, 0xb2, 0x04, 0xae, 0x0b, 0x48, 0x7e, 0x8a, 0xe0, 0x07, 0x7f, 0xc9,
+  0x1a, 0x6e, 0xff, 0xbb, 0x04, 0xb8, 0x08, 0x46, 0xf1, 0xae, 0x23, 0xd0,
+  0xf7, 0x44, 0x7d, 0x57, 0x74, 0x19, 0x83, 0xf5, 0xed, 0xf0, 0xe5, 0xbf,
+  0x53, 0x80, 0x06, 0xd8, 0x08, 0x36, 0xa0, 0x2d, 0xb8, 0x10, 0x60, 0x0f,
+  0xda, 0x85, 0x2e, 0x7e, 0xf9, 0xef, 0x14, 0xe0, 0x22, 0x18, 0x38, 0xd0,
+  0xc0, 0x98, 0x8f, 0x01, 0xf3, 0x41, 0x60, 0xc6, 0x0f, 0xfd, 0xf0, 0xe5,
+  0xbf, 0x57, 0x80, 0x06, 0x70, 0x80, 0x85, 0xb1, 0x6a, 0xc1, 0x65, 0x0f,
+  0x0e, 0xd8, 0xa1, 0x97, 0x7f, 0x5f, 0xc0, 0xbe, 0x02, 0x23, 0xf0, 0xba,
+  0x00, 0xa7, 0xe1, 0x25, 0xfe, 0x1b, 0x04, 0x14, 0x48, 0xd1, 0x9d, 0xac,
+  0x9a, 0x18, 0x1b, 0x02, 0x86, 0xdc, 0x85, 0x1e, 0x93, 0x8f, 0xfc, 0xb7,
+  0x0b, 0x70, 0x11, 0x84, 0x82, 0x51, 0xe4, 0x94, 0xc0, 0x65, 0x01, 0xc9,
+  0x9f, 0x5f, 0x03, 0x9f, 0x97, 0xff, 0x2d, 0x02, 0x0a, 0xa7, 0x14, 0x14,
+  0x2d, 0x17, 0xc7, 0x00, 0x3f, 0x19, 0x9a, 0xf5, 0x20, 0x97, 0xc0, 0x2f,
+  0x65, 0xef, 0x14, 0xa0, 0x82, 0x17, 0x6e, 0xde, 0x7f, 0x27, 0x60, 0x3c,
+  0xa1, 0xe3, 0x5b, 0xf0, 0xdf, 0x2a, 0x40, 0x05, 0xe3, 0x48, 0x0f, 0x79,
+  0x9b, 0x8f, 0x01, 0x0e, 0x02, 0x85, 0x98, 0xb7, 0xf8, 0x09, 0xf8, 0xef,
+  0x17, 0x30, 0x8e, 0x91, 0x0a, 0x0a, 0x35, 0xb9, 0x8d, 0x00, 0x3e, 0x1b,
+  0x24, 0x04, 0xf2, 0x52, 0x5f, 0x13, 0x1f, 0xfe, 0x37, 0x09, 0x50, 0xc1,
+  0x93, 0x96, 0x07, 0x17, 0x05, 0x3c, 0x0d, 0xf0, 0x00, 0xfc, 0xb7, 0x0b,
+  0x50, 0xc1, 0x38, 0x9a, 0xbf, 0xf2, 0x6b, 0x20, 0xa3, 0xc0, 0xbf, 0xe0,
+  0x7f, 0x86, 0x00, 0x15, 0x04, 0x35, 0xf8, 0x3c, 0x6f, 0x39, 0x40, 0x41,
+  0x90, 0x83, 0xff, 0x19, 0x02, 0x54, 0x50, 0x1a, 0xe2, 0x92, 0x5e, 0x88,
+  0x40, 0x46, 0x81, 0x22, 0x2d, 0xf0, 0xbc, 0x80, 0xff, 0x59, 0x02, 0x92,
+  0x3f, 0x6e, 0xf9, 0xb0, 0xee, 0xb6, 0x40, 0xf2, 0x85, 0x81, 0xb8, 0x41,
+  0xff, 0x81, 0x02, 0xa2, 0xe1, 0x55, 0xe1, 0x00, 0x50, 0x6f, 0x88, 0x30,
+  0x0e, 0x88, 0x1d, 0xbf, 0xfe, 0x4c, 0x01, 0x2a, 0x48, 0x07, 0xdc, 0x6d,
+  0x81, 0xa0, 0x8f, 0x7b, 0x3c, 0xac, 0xcb, 0x07, 0x0b, 0xd0, 0x01, 0xe4,
+  0x2c, 0xff, 0xc1, 0x36, 0xc0, 0x41, 0x5c, 0x3e, 0x5a, 0x00, 0xff, 0x32,
+  0x12, 0x4c, 0x3f, 0x2c, 0x20, 0x21, 0x7f, 0xf6, 0x1d, 0x02, 0x74, 0xc0,
+  0xd5, 0x67, 0x65, 0x11, 0x78, 0xfd, 0x46, 0x01, 0x22, 0x67, 0xfa, 0x89,
+  0xaf, 0x07, 0xe1, 0xbf, 0x4e, 0xc0, 0x20, 0xf5, 0xe2, 0x91, 0x06, 0xc8,
+  0xc4, 0xf1, 0xdd, 0x02, 0x78, 0x22, 0x1e, 0xab, 0xc0, 0xc7, 0x5f, 0x25,
+  0x60, 0xff, 0xe9, 0x44, 0xff, 0x7e, 0x01, 0xfd, 0x13, 0x8b, 0xfd, 0x25,
+  0x02, 0xbe, 0xff, 0xcf, 0x9f, 0x80, 0x3f, 0x01, 0x7f, 0x02, 0xfe, 0x01,
+  0x75, 0xe2, 0x8b, 0x93, 0x95, 0x3a, 0x44, 0x8f, 0x00, 0x00, 0x00, 0x00,
+  0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
+};
+unsigned int particle_png_len = 5564;
diff --git a/tools/hopalong/particle.png b/tools/hopalong/particle.png
new file mode 100644
index 0000000..d8bd700
--- /dev/null
+++ b/tools/hopalong/particle.png
diff --git a/tools/hopalong/vfs.cpp b/tools/hopalong/vfs.cpp
new file mode 100644
index 0000000..c54d241
--- /dev/null
+++ b/tools/hopalong/vfs.cpp
@@ -0,0 +1,133 @@
+#include <rw.h>
+#include <string.h>
+
+#include "vfs.h"
+
+struct FILE_VFS
+{
+	int used;
+	rw::uint8 *data;
+	int pos;
+	int size;
+};
+FILE_VFS vfsfiles[64];
+VFS *globalVFS;
+
+void*
+vfs_fopen(const char *path, const char *mode)
+{
+	int flags = 0;
+	int i, j;
+	char *r, *w, *plus;
+
+//	printf("trying to open <%s> mode <%s>\n", path, mode);
+	const char *file = strrchr((char*)path, '/');
+	if(file)
+		file++;
+	else
+		file = path;
+	for(i = 0; i < nelem(vfsfiles); i++){
+		if(!vfsfiles[i].used)
+			goto found;
+	}
+	// no file pointer available
+	return nil;
+found:
+
+	// why can't we pass const char*? urghhh....
+	r = strchr((char*)mode, 'r');
+	w = strchr((char*)mode, 'w');
+	plus = strchr((char*)mode, '+');
+	// cannot write files
+	if(w || plus)
+		return nil;
+
+	for(j = 0; j < globalVFS->numFiles; j++){
+		if(strcmp(globalVFS->files[j].name, file) == 0)
+			goto found2;
+	}
+	// file not found
+	return nil;
+found2:
+
+	vfsfiles[i].used = 1;
+	vfsfiles[i].data = globalVFS->files[j].data;
+	vfsfiles[i].pos = 0;
+	vfsfiles[i].size = globalVFS->files[j].length;
+	return &vfsfiles[i];
+}
+
+int
+vfs_fclose(void *fp)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	if(!f->used)
+		return EOF;
+	f->used = 0;
+	f->data = nil;
+	return 0;
+}
+
+int
+vfs_fseek(void *fp, long offset, int whence)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	switch(whence){
+	case 0:
+		f->pos = offset;
+		break;
+	case 1:
+		f->pos += offset;
+		break;
+	case 2:
+		f->pos = f->size - offset;
+		break;
+	}
+	if(f->pos > f->size) f->pos = f->size;
+	return f->pos;
+}
+
+long
+vfs_ftell(void *fp)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	return f->pos;
+}
+
+size_t
+vfs_fread(void *ptr, size_t size, size_t nmemb, void *fp)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	size_t sz = size*nmemb;
+	if(sz > f->size-f->pos)
+		sz = f->size-f->pos;
+	memcpy(ptr, f->data+f->pos, sz);
+	f->pos += sz;
+	return sz/size;
+}
+
+size_t
+vfs_fwrite(const void *ptr, size_t size, size_t nmemb, void *fp)
+{
+	return 0;
+}
+
+int
+vfs_feof(void *fp)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	return f->pos >= f->size;
+}
+
+void
+installVFS(VFS *vfs)
+{
+	globalVFS = vfs;
+        rw::engine->filefuncs.rwfopen = vfs_fopen;
+        rw::engine->filefuncs.rwfclose = vfs_fclose;
+        rw::engine->filefuncs.rwfseek = vfs_fseek;
+        rw::engine->filefuncs.rwftell = vfs_ftell;
+        rw::engine->filefuncs.rwfread = vfs_fread;
+        rw::engine->filefuncs.rwfwrite = vfs_fwrite;
+        rw::engine->filefuncs.rwfeof = vfs_feof;
+}
diff --git a/tools/hopalong/vfs.h b/tools/hopalong/vfs.h
new file mode 100644
index 0000000..768b193
--- /dev/null
+++ b/tools/hopalong/vfs.h
@@ -0,0 +1,15 @@
+struct VFS_file
+{
+	const char *name;
+	rw::uint8 *data;
+	rw::uint32 length;
+};
+
+struct VFS
+{
+	// TODO: directories?
+	VFS_file *files;
+	int numFiles;
+};
+
+void installVFS(VFS *vfs);
diff --git a/tools/im2d/CMakeLists.txt b/tools/im2d/CMakeLists.txt
new file mode 100644
index 0000000..d30325a
--- /dev/null
+++ b/tools/im2d/CMakeLists.txt
@@ -0,0 +1,23 @@
+add_executable(im2d WIN32
+    im2d.cpp
+    linelist.cpp
+    main.cpp
+    polyline.cpp
+    trifan.cpp
+    trilist.cpp
+    tristrip.cpp
+)
+
+target_link_libraries(im2d
+    PRIVATE
+        librw::skeleton
+        librw::librw
+)
+
+add_custom_command(
+    TARGET im2d POST_BUILD
+    COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:im2d>/files"
+    COMMAND "${CMAKE_COMMAND}" -E copy_directory  "${CMAKE_CURRENT_SOURCE_DIR}/files" "$<TARGET_FILE_DIR:im2d>/files"
+)
+
+librw_platform_target(im2d)
diff --git a/tools/im2d/files/whiteash.png b/tools/im2d/files/whiteash.png
new file mode 100644
index 0000000..aa60569
--- /dev/null
+++ b/tools/im2d/files/whiteash.png
diff --git a/tools/im2d/im2d.cpp b/tools/im2d/im2d.cpp
new file mode 100644
index 0000000..da4c084
--- /dev/null
+++ b/tools/im2d/im2d.cpp
@@ -0,0 +1,134 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im2d.h"
+
+bool Im2DColored = true;
+bool Im2DTextured;
+
+rw::int32 Im2DPrimType;
+
+rw::V2d ScreenSize;
+float Scale;
+
+rw::RGBA SolidWhite = {255, 255, 255, 255};
+rw::RGBA SolidBlack = {0, 0, 0, 255};
+rw::RGBA SolidRed = {200, 64, 64, 255};
+rw::RGBA SolidGreen = {64, 200, 64, 255};
+rw::RGBA SolidBlue = {64, 64, 200, 255};
+rw::RGBA SolidYellow = {200, 200, 64, 255};
+rw::RGBA SolidPurple = {200, 64, 200, 255};
+rw::RGBA SolidCyan = {64, 200, 200, 255};
+
+rw::Texture *Im2DTexture;
+
+void
+Im2DInitialize(rw::Camera *camera)
+{
+	ScreenSize.x = camera->frameBuffer->width;
+	ScreenSize.y = camera->frameBuffer->height;
+
+	Scale = ScreenSize.y / 3.0f;
+
+	rw::Image::setSearchPath("files/");
+	Im2DTexture = rw::Texture::read("whiteash", nil);
+
+	LineListCreate(camera);
+	LineListSetColor(!Im2DColored);
+
+	IndexedLineListCreate(camera);
+	IndexedLineListSetColor(!Im2DColored);
+
+	PolyLineCreate(camera);
+	PolyLineSetColor(!Im2DColored);
+
+	IndexedPolyLineCreate(camera);
+	IndexedPolyLineSetColor(!Im2DColored);
+
+	TriListCreate(camera);
+	TriListSetColor(!Im2DColored);
+
+	IndexedTriListCreate(camera);
+	IndexedTriListSetColor(!Im2DColored);
+
+	TriStripCreate(camera);
+	TriStripSetColor(!Im2DColored);
+
+	IndexedTriStripCreate(camera);
+	IndexedTriStripSetColor(!Im2DColored);
+
+	TriFanCreate(camera);
+	TriFanSetColor(!Im2DColored);
+
+	IndexedTriFanCreate(camera);
+	IndexedTriFanSetColor(!Im2DColored);
+}
+
+void
+Im2DTerminate(void)
+{
+	if(Im2DTexture){
+		Im2DTexture->destroy();
+		Im2DTexture = nil;
+	}
+}
+
+void
+Im2DRender(void)
+{
+	rw::SetRenderState(rw::ZTESTENABLE, 0);
+	rw::SetRenderState(rw::ZWRITEENABLE, 0);
+	rw::SetRenderState(rw::SRCBLEND, rw::BLENDSRCALPHA);
+	rw::SetRenderState(rw::DESTBLEND, rw::BLENDINVSRCALPHA);
+	rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::FilterMode::LINEAR);
+
+	if(Im2DTextured)
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, Im2DTexture->raster);
+	else
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+
+	switch(Im2DPrimType){
+	case 0: LineListRender(); break;
+	case 1: IndexedLineListRender(); break;
+	case 2: PolyLineRender(); break;
+	case 3: IndexedPolyLineRender(); break;
+	case 4: TriListRender(); break;
+	case 5: IndexedTriListRender(); break;
+	case 6: TriStripRender(); break;
+	case 7: IndexedTriStripRender(); break;
+	case 8: TriFanRender(); break;
+	case 9: IndexedTriFanRender(); break;
+	}
+}
+
+void
+Im2DSize(rw::Camera *camera, rw::int32 w, rw::int32 h)
+{
+	ScreenSize.x = w;
+	ScreenSize.y = h;
+
+	if(ScreenSize.x > ScreenSize.y)
+		Scale = ScreenSize.y / 3.0f;
+	else
+		Scale = ScreenSize.x / 3.0f;
+
+	LineListCreate(camera);
+
+	IndexedLineListCreate(camera);
+
+	PolyLineCreate(camera);
+
+	IndexedPolyLineCreate(camera);
+
+	TriListCreate(camera);
+
+	IndexedTriListCreate(camera);
+
+	TriStripCreate(camera);
+
+	IndexedTriStripCreate(camera);
+
+	TriFanCreate(camera);
+
+	IndexedTriFanCreate(camera);
+}
diff --git a/tools/im2d/im2d.h b/tools/im2d/im2d.h
new file mode 100644
index 0000000..de82e03
--- /dev/null
+++ b/tools/im2d/im2d.h
@@ -0,0 +1,62 @@
+extern bool Im2DColored;
+extern bool Im2DTextured;
+
+extern rw::int32 Im2DPrimType;
+
+extern rw::V2d ScreenSize;
+extern float Scale;
+
+extern rw::RGBA SolidWhite;
+extern rw::RGBA SolidBlack;
+extern rw::RGBA SolidRed;
+extern rw::RGBA SolidGreen;
+extern rw::RGBA SolidBlue;
+extern rw::RGBA SolidYellow;
+extern rw::RGBA SolidPurple;
+extern rw::RGBA SolidCyan;
+
+
+void Im2DInitialize(rw::Camera *camera);
+void Im2DTerminate(void);
+void Im2DRender(void);
+void Im2DSize(rw::Camera *camera, rw::int32 w, rw::int32 h);
+
+void LineListCreate(rw::Camera *camera);
+void LineListSetColor(bool white);
+void LineListRender(void);
+
+void IndexedLineListCreate(rw::Camera *camera);
+void IndexedLineListSetColor(bool white);
+void IndexedLineListRender(void);
+
+void PolyLineCreate(rw::Camera *camera);
+void PolyLineSetColor(bool white);
+void PolyLineRender(void);
+
+void IndexedPolyLineCreate(rw::Camera *camera);
+void IndexedPolyLineSetColor(bool white);
+void IndexedPolyLineRender(void);
+
+void TriListCreate(rw::Camera *camera);
+void TriListSetColor(bool white);
+void TriListRender(void);
+
+void IndexedTriListCreate(rw::Camera *camera);
+void IndexedTriListSetColor(bool white);
+void IndexedTriListRender(void);
+
+void TriStripCreate(rw::Camera *camera);
+void TriStripSetColor(bool white);
+void TriStripRender(void);
+
+void IndexedTriStripCreate(rw::Camera *camera);
+void IndexedTriStripSetColor(bool white);
+void IndexedTriStripRender(void);
+
+void TriFanCreate(rw::Camera *camera);
+void TriFanSetColor(bool white);
+void TriFanRender(void);
+
+void IndexedTriFanCreate(rw::Camera *camera);
+void IndexedTriFanSetColor(bool white);
+void IndexedTriFanRender(void);
diff --git a/tools/im2d/linelist.cpp b/tools/im2d/linelist.cpp
new file mode 100644
index 0000000..6d76fb2
--- /dev/null
+++ b/tools/im2d/linelist.cpp
@@ -0,0 +1,159 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im2d.h"
+
+float LineListData[32][4] = {
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.000f,  1.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.383f,  0.924f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.707f,  0.707f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.924f,  0.383f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 1.000f,  0.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.924f, -0.383f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.707f, -0.707f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.383f, -0.924f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.000f, -1.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.383f, -0.924f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.707f, -0.707f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.924f, -0.383f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{-1.000f,  0.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.924f,  0.383f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.707f,  0.707f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.383f,  0.924f,  1.000f,  1.000f}
+};
+
+float IndexedLineListData[16][4] = {
+	{-1.000f,  1.000f,  0.000f,  1.000f},
+	{-0.500f,  1.000f,  0.250f,  1.000f},
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+	{ 0.500f,  1.000f,  0.750f,  1.000f},
+	{ 1.000f,  1.000f,  1.000f,  1.000f},
+
+	{-1.000f,  0.500f,  0.000f,  0.750f},
+	{-1.000f,  0.000f,  0.000f,  0.500f},
+	{-1.000f, -0.500f,  0.000f,  0.250f},
+
+	{ 1.000f,  0.500f,  1.000f,  0.750f},
+	{ 1.000f,  0.000f,  1.000f,  0.500f},
+	{ 1.000f, -0.500f,  1.000f,  0.250f},
+
+	{-1.000f, -1.000f,  0.000f,  0.000f},
+	{-0.500f, -1.000f,  0.250f,  0.000f},
+	{ 0.000f, -1.000f,  0.500f,  0.000f},
+	{ 0.500f, -1.000f,  0.750f,  0.000f},
+	{ 1.000f, -1.000f,  1.000f,  0.000f}
+};
+
+rw::uint16 IndexedLineListIndices[20] = {
+	0, 11, 1, 12, 2, 13, 3, 14, 4, 15, 
+	0, 4, 5, 8, 6, 9, 7, 10, 11, 15
+};
+
+rw::RWDEVICE::Im2DVertex LineList[32];
+rw::RWDEVICE::Im2DVertex IndexedLineList[16];
+
+
+void
+LineListCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 32; i++){
+		LineList[i].setScreenX(ScreenSize.x/2.0f + LineListData[i][0]*Scale);
+		LineList[i].setScreenY(ScreenSize.y/2.0f - LineListData[i][1]*Scale);
+		LineList[i].setScreenZ(rw::im2d::GetNearZ());
+		LineList[i].setRecipCameraZ(recipZ);
+		LineList[i].setU(LineListData[i][2], recipZ);
+		LineList[i].setV(LineListData[i][3], recipZ);
+	}
+}
+
+void
+LineListSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidRed;
+	rw::RGBA SolidColor2 = SolidWhite;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+	}
+
+	for(int i = 0; i < 32; i += 2){
+		LineList[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+		LineList[i+1].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+	}
+}
+
+void
+LineListRender(void)
+{
+	rw::im2d::RenderPrimitive(rw::PRIMTYPELINELIST, LineList, 32);
+}
+
+
+void
+IndexedLineListCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 16; i++){
+		IndexedLineList[i].setScreenX(ScreenSize.x/2.0f + IndexedLineListData[i][0]*Scale);
+		IndexedLineList[i].setScreenY(ScreenSize.y/2.0f - IndexedLineListData[i][1]*Scale);
+		IndexedLineList[i].setScreenZ(rw::im2d::GetNearZ());
+		IndexedLineList[i].setRecipCameraZ(recipZ);
+		IndexedLineList[i].setU(IndexedLineListData[i][2], recipZ);
+		IndexedLineList[i].setV(IndexedLineListData[i][3], recipZ);
+	}
+}
+
+void
+IndexedLineListSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidRed;
+
+	if(white)
+		SolidColor1 = SolidWhite;
+
+	for(int i = 0; i < 16; i++)
+		IndexedLineList[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+IndexedLineListRender(void)
+{
+	rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPELINELIST,
+		IndexedLineList, 16, IndexedLineListIndices, 20);
+}
diff --git a/tools/im2d/main.cpp b/tools/im2d/main.cpp
new file mode 100644
index 0000000..e37dfd4
--- /dev/null
+++ b/tools/im2d/main.cpp
@@ -0,0 +1,254 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+#include "im2d.h"
+
+rw::EngineOpenParams engineOpenParams;
+
+rw::RGBA ForegroundColor = { 200, 200, 200, 255 };
+rw::RGBA BackgroundColor = { 64, 64, 64, 0 };
+
+rw::Camera *Camera;
+rw::Charset *Charset;
+
+float TimeDelta;
+
+rw::Camera*
+CreateCamera(void)
+{
+	Camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	assert(Camera);
+
+	Camera->setNearPlane(0.1f);
+	Camera->setFarPlane(10.0f);
+
+	return Camera;
+}
+
+void
+Initialize(void)
+{
+	sk::globals.windowtitle = "Im2D example";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+Initialize3D(void)
+{
+	if(!sk::InitRW())
+		return false;
+
+	Charset = rw::Charset::create(&ForegroundColor, &BackgroundColor);
+
+	Camera = CreateCamera();
+
+	Im2DInitialize(Camera);
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	return true;
+}
+
+void
+Terminate3D(void)
+{
+	Im2DTerminate();
+
+	if(Camera){
+		Camera->destroy();
+		Camera = nil;
+	}
+
+	if(Charset){
+		Charset->destroy();
+		Charset = nil;
+	}
+
+	sk::TerminateRW();
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+void
+DisplayOnScreenInfo(void)
+{
+}
+
+void
+Gui(void)
+{
+	static bool showWindow = true;
+	ImGui::Begin("Im2D", &showWindow);
+
+	ImGui::RadioButton("Line-list", &Im2DPrimType, 0);
+	ImGui::RadioButton("Line-list indexed", &Im2DPrimType, 1);
+	ImGui::RadioButton("Poly-line", &Im2DPrimType, 2);
+	ImGui::RadioButton("Poly-line indexed", &Im2DPrimType, 3);
+	ImGui::RadioButton("Tri-list", &Im2DPrimType, 4);
+	ImGui::RadioButton("Tri-list indexed", &Im2DPrimType, 5);
+	ImGui::RadioButton("Tri-strip", &Im2DPrimType, 6);
+	ImGui::RadioButton("Tri-strip indexed", &Im2DPrimType, 7);
+	ImGui::RadioButton("Tri-fan", &Im2DPrimType, 8);
+	ImGui::RadioButton("Tri-fan indexed", &Im2DPrimType, 9);
+
+	ImGui::NewLine();
+
+	ImGui::Checkbox("Textured", &Im2DTextured);
+	if(ImGui::Checkbox("Colored", &Im2DColored)){
+		LineListSetColor(!Im2DColored);
+		IndexedLineListSetColor(!Im2DColored);
+		PolyLineSetColor(!Im2DColored);
+		IndexedPolyLineSetColor(!Im2DColored);
+		TriListSetColor(!Im2DColored);
+		IndexedTriListSetColor(!Im2DColored);
+		TriStripSetColor(!Im2DColored);
+		IndexedTriStripSetColor(!Im2DColored);
+		TriFanSetColor(!Im2DColored);
+		IndexedTriFanSetColor(!Im2DColored);
+	}
+
+	ImGui::End();
+}
+
+void
+Render(void)
+{
+	Camera->clear(&BackgroundColor, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+
+	Camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(TimeDelta);
+
+	Im2DRender();
+	DisplayOnScreenInfo();
+
+	Gui();
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	ImGui_ImplRW_RenderDrawLists(ImGui::GetDrawData());
+
+	Camera->endUpdate();
+
+	Camera->showRaster(0);
+}
+
+void
+Idle(float timeDelta)
+{
+	TimeDelta = timeDelta;
+	Render();
+}
+
+int MouseX, MouseY;
+int MouseDeltaX, MouseDeltaY;
+int MouseButtons;
+
+void
+KeyUp(int key)
+{
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+void
+MouseBtn(sk::MouseState *mouse)
+{
+	MouseButtons = mouse->buttons;
+}
+
+void
+MouseMove(sk::MouseState *mouse)
+{
+	MouseDeltaX = mouse->posx - MouseX;
+	MouseDeltaY = mouse->posy - MouseY;
+	MouseX = mouse->posx;
+	MouseY = mouse->posy;
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+	MouseState *ms;
+
+	ImGuiEventHandler(e, param);
+	ImGuiIO &io = ImGui::GetIO();
+
+	switch(e){
+	case INITIALIZE:
+		Initialize();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return Initialize3D() ? EVENTPROCESSED : EVENTERROR;
+	case RWTERMINATE:
+		Terminate3D();
+		return EVENTPROCESSED;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case MOUSEBTN:
+		if(!io.WantCaptureMouse){
+			ms = (MouseState*)param;
+			MouseBtn(ms);
+		}else
+			MouseButtons = 0;
+		return EVENTPROCESSED;
+	case MOUSEMOVE:
+		MouseMove((MouseState*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		if(::Camera){
+			sk::CameraSize(::Camera, r, 0.5f, 4.0f/3.0f);
+			Im2DSize(::Camera, r->w, r->h);
+		}
+		break;
+	case IDLE:
+		Idle(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}
diff --git a/tools/im2d/polyline.cpp b/tools/im2d/polyline.cpp
new file mode 100644
index 0000000..5379117
--- /dev/null
+++ b/tools/im2d/polyline.cpp
@@ -0,0 +1,132 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im2d.h"
+
+float PolyLineData[16][4] = {
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+	{ 0.672f,  0.672f,  0.836f,  0.836f},
+	{ 0.900f,  0.000f,  0.950f,  0.500f},
+	{ 0.601f, -0.601f,  0.800f,  0.200f},
+	{ 0.000f, -0.800f,  0.500f,  0.100f},
+	{-0.530f, -0.530f,  0.245f,  0.245f},
+	{-0.700f,  0.000f,  0.150f,  0.500f},
+	{-0.460f,  0.460f,  0.270f,  0.770f},
+	{ 0.000f,  0.600f,  0.500f,  0.800f},
+	{ 0.389f,  0.389f,  0.695f,  0.695f},
+	{ 0.500f,  0.000f,  0.750f,  0.500f},
+	{ 0.318f, -0.318f,  0.659f,  0.341f},
+	{ 0.000f, -0.400f,  0.500f,  0.300f},
+	{-0.247f, -0.247f,  0.376f,  0.376f},
+	{-0.300f,  0.000f,  0.350f,  0.500f},
+	{-0.177f,  0.177f,  0.411f,  0.589f}
+};
+
+float IndexedPolyLineData[21][4] = {
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+
+	{-0.200f,  0.600f,  0.400f,  0.800f},
+	{ 0.200f,  0.600f,  0.600f,  0.800f},
+    
+	{-0.400f,  0.200f,  0.300f,  0.600f},
+	{ 0.000f,  0.200f,  0.500f,  0.600f},
+	{ 0.400f,  0.200f,  0.700f,  0.600f},
+
+	{-0.600f, -0.200f,  0.200f,  0.400f},
+	{-0.200f, -0.200f,  0.400f,  0.400f},
+	{ 0.200f, -0.200f,  0.600f,  0.400f},
+	{ 0.600f, -0.200f,  0.800f,  0.400f},
+
+	{-0.800f, -0.600f,  0.100f,  0.200f},
+	{-0.400f, -0.600f,  0.300f,  0.200f},
+	{ 0.000f, -0.600f,  0.500f,  0.200f},
+	{ 0.400f, -0.600f,  0.700f,  0.200f},
+	{ 0.800f, -0.600f,  0.900f,  0.200f},
+
+	{-1.000f, -1.000f,  0.000f,  0.000f},
+	{-0.600f, -1.000f,  0.200f,  0.000f},
+	{-0.200f, -1.000f,  0.400f,  0.000f},
+	{ 0.200f, -1.000f,  0.600f,  0.000f},
+	{ 0.600f, -1.000f,  0.800f,  0.000f},
+	{ 1.000f, -1.000f,  1.000f,  0.000f}
+};
+
+rw::uint16 IndexedPolyLineIndices[46] = {
+	 0,  2,  5,  4,  8,  5,  9,  8, 13,  9,
+	14, 13, 19, 14, 20, 19, 18, 13, 12,  8,
+	 7, 12, 18, 17, 12, 11, 17, 16, 15, 10,
+	16, 11, 10,  6, 11,  7,  6,  3,  7,  4,
+	 3, 1, 4, 2, 1, 0
+};
+
+rw::RWDEVICE::Im2DVertex PolyLine[16];
+rw::RWDEVICE::Im2DVertex IndexedPolyLine[21];
+
+
+void
+PolyLineCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 16; i++){
+		PolyLine[i].setScreenX(ScreenSize.x/2.0f + PolyLineData[i][0]*Scale);
+		PolyLine[i].setScreenY(ScreenSize.y/2.0f - PolyLineData[i][1]*Scale);
+		PolyLine[i].setScreenZ(rw::im2d::GetNearZ());
+		PolyLine[i].setRecipCameraZ(recipZ);
+		PolyLine[i].setU(PolyLineData[i][2], recipZ);
+		PolyLine[i].setV(PolyLineData[i][3], recipZ);
+	}
+}
+
+void
+PolyLineSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidBlue;
+
+	if(white)
+		SolidColor1 = SolidWhite;
+
+	for(int i = 0; i < 16; i++)
+		PolyLine[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+PolyLineRender(void)
+{
+	rw::im2d::RenderPrimitive(rw::PRIMTYPEPOLYLINE, PolyLine, 16);
+}
+
+
+void
+IndexedPolyLineCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 21; i++){
+		IndexedPolyLine[i].setScreenX(ScreenSize.x/2.0f + IndexedPolyLineData[i][0]*Scale);
+		IndexedPolyLine[i].setScreenY(ScreenSize.y/2.0f - IndexedPolyLineData[i][1]*Scale);
+		IndexedPolyLine[i].setScreenZ(rw::im2d::GetNearZ());
+		IndexedPolyLine[i].setRecipCameraZ(recipZ);
+		IndexedPolyLine[i].setU(IndexedPolyLineData[i][2], recipZ);
+		IndexedPolyLine[i].setV(IndexedPolyLineData[i][3], recipZ);
+	}
+}
+
+void
+IndexedPolyLineSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidBlue;
+
+	if(white)
+		SolidColor1 = SolidWhite;
+
+	for(int i = 0; i < 21; i++)
+		IndexedPolyLine[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+IndexedPolyLineRender(void)
+{
+	rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPEPOLYLINE,
+		IndexedPolyLine, 21, IndexedPolyLineIndices, 46);
+}
diff --git a/tools/im2d/trifan.cpp b/tools/im2d/trifan.cpp
new file mode 100644
index 0000000..b1a703f
--- /dev/null
+++ b/tools/im2d/trifan.cpp
@@ -0,0 +1,119 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im2d.h"
+
+float TriFanData[17][4] = {
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+	{-0.383f,  0.924f,  0.308f,  0.962f},
+	{-0.707f,  0.707f,  0.146f,  0.854f},
+	{-0.924f,  0.383f,  0.038f,  0.692f},
+	{-1.000f,  0.000f,  0.000f,  0.500f},
+	{-0.924f, -0.383f,  0.038f,  0.308f},
+	{-0.707f, -0.707f,  0.146f,  0.146f},
+	{-0.383f, -0.924f,  0.308f,  0.038f},
+	{ 0.000f, -1.000f,  0.500f,  0.000f},
+	{ 0.383f, -0.924f,  0.692f,  0.038f},
+	{ 0.707f, -0.707f,  0.854f,  0.146f},
+	{ 0.924f, -0.383f,  0.962f,  0.308f},
+	{ 1.000f,  0.000f,  1.000f,  0.500f},
+	{ 0.924f,  0.383f,  0.962f,  0.692f},
+	{ 0.707f,  0.707f,  0.854f,  0.854f},
+	{ 0.383f,  0.924f,  0.692f,  0.962f},
+	{ 0.000f,  1.000f,  0.500f,  1.000f}
+};
+
+float IndexedTriFanData[16][4] = {
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+	{-0.383f,  0.924f,  0.308f,  0.962f},
+	{-0.707f,  0.707f,  0.146f,  0.854f},
+	{-0.924f,  0.383f,  0.038f,  0.692f},
+	{-1.000f,  0.000f,  0.000f,  0.500f},
+	{-0.924f, -0.383f,  0.038f,  0.308f},
+	{-0.707f, -0.707f,  0.146f,  0.146f},
+	{-0.383f, -0.924f,  0.308f,  0.038f},
+	{ 0.000f, -1.000f,  0.500f,  0.000f},
+	{ 0.383f, -0.924f,  0.692f,  0.038f},
+	{ 0.707f, -0.707f,  0.854f,  0.146f},
+	{ 0.924f, -0.383f,  0.962f,  0.308f},
+	{ 1.000f,  0.000f,  1.000f,  0.500f},
+	{ 0.924f,  0.383f,  0.962f,  0.692f},
+	{ 0.707f,  0.707f,  0.854f,  0.854f},
+	{ 0.383f,  0.924f,  0.692f,  0.962f}
+};
+
+rw::uint16 IndexedTriFanIndices[17] = {
+	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0
+};
+
+rw::RWDEVICE::Im2DVertex TriFan[17];
+rw::RWDEVICE::Im2DVertex IndexedTriFan[16];
+
+
+void
+TriFanCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 17; i++){
+		TriFan[i].setScreenX(ScreenSize.x/2.0f + TriFanData[i][0]*Scale);
+		TriFan[i].setScreenY(ScreenSize.y/2.0f - TriFanData[i][1]*Scale);
+		TriFan[i].setScreenZ(rw::im2d::GetNearZ());
+		TriFan[i].setRecipCameraZ(recipZ);
+		TriFan[i].setU(TriFanData[i][2], recipZ);
+		TriFan[i].setV(TriFanData[i][3], recipZ);
+	}
+}
+
+void
+TriFanSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidYellow;
+
+	if(white)
+		SolidColor1 = SolidWhite;
+
+	for(int i = 0; i < 17; i++)
+		TriFan[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+TriFanRender(void)
+{
+	rw::im2d::RenderPrimitive(rw::PRIMTYPETRIFAN, TriFan, 17);
+}
+
+
+void
+IndexedTriFanCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 16; i++){
+		IndexedTriFan[i].setScreenX(ScreenSize.x/2.0f + IndexedTriFanData[i][0]*Scale);
+		IndexedTriFan[i].setScreenY(ScreenSize.y/2.0f - IndexedTriFanData[i][1]*Scale);
+		IndexedTriFan[i].setScreenZ(rw::im2d::GetNearZ());
+		IndexedTriFan[i].setRecipCameraZ(recipZ);
+		IndexedTriFan[i].setU(IndexedTriFanData[i][2], recipZ);
+		IndexedTriFan[i].setV(IndexedTriFanData[i][3], recipZ);
+	}
+}
+
+void
+IndexedTriFanSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidGreen;
+
+	if(white)
+		SolidColor1 = SolidWhite;
+
+	for(int i = 0; i < 16; i++)
+		IndexedTriFan[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+IndexedTriFanRender(void)
+{
+	rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRIFAN,
+		IndexedTriFan, 16, IndexedTriFanIndices, 17);
+}
diff --git a/tools/im2d/trilist.cpp b/tools/im2d/trilist.cpp
new file mode 100644
index 0000000..64ee65f
--- /dev/null
+++ b/tools/im2d/trilist.cpp
@@ -0,0 +1,166 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im2d.h"
+
+float TriListData[18][4] = {
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+	{-0.500f,  0.500f,  0.250f,  0.750f},
+	{ 0.500f,  0.500f,  0.750f,  0.750f},
+
+	{-0.500f,  0.500f,  0.250f,  0.750f},
+	{ 0.500f, -0.500f,  0.750f,  0.250f},
+	{ 0.500f,  0.500f,  0.750f,  0.750f},
+
+	{ 0.500f,  0.500f,  0.750f,  0.750f},
+	{ 0.500f, -0.500f,  0.750f,  0.250f},
+	{ 1.000f,  0.000f,  1.000f,  0.500f},
+   
+	{ 0.500f, -0.500f,  0.750f,  0.250f},
+	{-0.500f, -0.500f,  0.250f,  0.250f},
+	{ 0.000f, -1.000f,  0.500f,  0.000f},
+
+	{ 0.500f, -0.500f,  0.750f,  1.250f},
+	{-0.500f,  0.500f,  0.250f,  1.750f},
+	{-0.500f, -0.500f,  0.250f,  1.250f},
+
+	{-0.500f, -0.500f,  0.250f,  0.250f},
+	{-0.500f,  0.500f,  0.250f,  0.750f},
+	{-1.000f,  0.000f,  0.000f,  0.500f}
+};
+
+float IndexedTriListData[21][4] = {
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+
+	{-0.200f,  0.600f,  0.400f,  0.800f},
+	{ 0.200f,  0.600f,  0.600f,  0.800f},
+    
+	{-0.400f,  0.200f,  0.300f,  0.600f},
+	{ 0.000f,  0.200f,  0.500f,  0.600f},
+	{ 0.400f,  0.200f,  0.300f,  0.600f},
+
+	{-0.600f, -0.200f,  0.200f,  0.400f},
+	{-0.200f, -0.200f,  0.400f,  0.400f},
+	{ 0.200f, -0.200f,  0.600f,  0.400f},
+	{ 0.600f, -0.200f,  0.800f,  0.400f},
+
+	{-0.800f, -0.600f,  0.100f,  0.200f},
+	{-0.400f, -0.600f,  0.300f,  0.200f},
+	{ 0.000f, -0.600f,  0.500f,  0.200f},
+	{ 0.400f, -0.600f,  0.700f,  0.200f},
+	{ 0.800f, -0.600f,  0.900f,  0.200f},
+
+	{-1.000f, -1.000f,  0.000f,  0.000f},
+	{-0.600f, -1.000f,  0.200f,  0.000f},
+	{-0.200f, -1.000f,  0.400f,  0.000f},
+	{ 0.200f, -1.000f,  0.600f,  0.000f},
+	{ 0.600f, -1.000f,  0.800f,  0.000f},
+	{ 1.000f, -1.000f,  1.000f,  0.000f}
+};
+
+rw::uint16 IndexedTriListIndices[45] = {
+	0, 1, 2,
+	1, 3, 4, 2, 4, 5,
+	3, 6, 7, 4, 7, 8, 5, 8, 9,
+	6, 10, 11, 7, 11, 12, 8, 12, 13, 9, 13, 14,
+	10, 15, 16, 11, 16, 17, 12, 17, 18, 13, 18, 19, 14, 19, 20
+};
+
+rw::RWDEVICE::Im2DVertex TriList[18];
+rw::RWDEVICE::Im2DVertex IndexedTriList[21];
+
+
+void
+TriListCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 18; i++){
+		TriList[i].setScreenX(ScreenSize.x/2.0f + TriListData[i][0]*Scale);
+		TriList[i].setScreenY(ScreenSize.y/2.0f - TriListData[i][1]*Scale);
+		TriList[i].setScreenZ(rw::im2d::GetNearZ());
+		TriList[i].setRecipCameraZ(recipZ);
+		TriList[i].setU(TriListData[i][2], recipZ);
+		TriList[i].setV(TriListData[i][3], recipZ);
+	}
+}
+
+void
+TriListSetColor(bool white)
+{
+	int i;
+	rw::RGBA SolidColor1 = SolidBlue;
+	rw::RGBA SolidColor2 = SolidRed;
+	rw::RGBA SolidColor3 = SolidGreen;
+	rw::RGBA SolidColor4 = SolidYellow;
+	rw::RGBA SolidColor5 = SolidPurple;
+	rw::RGBA SolidColor6 = SolidCyan;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+		SolidColor3 = SolidWhite;
+		SolidColor4 = SolidWhite;
+		SolidColor5 = SolidWhite;
+		SolidColor6 = SolidWhite;
+	}
+
+	for(i = 0; i < 3; i++)
+		TriList[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+	for(; i < 6; i++)
+		TriList[i].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+	for(; i < 9; i++)
+		TriList[i].setColor(SolidColor3.red, SolidColor3.green,
+			SolidColor3.blue, SolidColor3.alpha);
+	for(; i < 12; i++)
+		TriList[i].setColor(SolidColor4.red, SolidColor4.green,
+			SolidColor4.blue, SolidColor4.alpha);
+	for(; i < 15; i++)
+		TriList[i].setColor(SolidColor5.red, SolidColor5.green,
+			SolidColor5.blue, SolidColor5.alpha);
+	for(; i < 18; i++)
+		TriList[i].setColor(SolidColor6.red, SolidColor6.green,
+			SolidColor6.blue, SolidColor6.alpha);
+}
+
+void
+TriListRender(void)
+{
+	rw::im2d::RenderPrimitive(rw::PRIMTYPETRILIST, TriList, 18);
+}
+
+
+void
+IndexedTriListCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 21; i++){
+		IndexedTriList[i].setScreenX(ScreenSize.x/2.0f + IndexedTriListData[i][0]*Scale);
+		IndexedTriList[i].setScreenY(ScreenSize.y/2.0f - IndexedTriListData[i][1]*Scale);
+		IndexedTriList[i].setScreenZ(rw::im2d::GetNearZ());
+		IndexedTriList[i].setRecipCameraZ(recipZ);
+		IndexedTriList[i].setU(IndexedTriListData[i][2], recipZ);
+		IndexedTriList[i].setV(IndexedTriListData[i][3], recipZ);
+	}
+}
+
+void
+IndexedTriListSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidBlue;
+
+	if(white)
+		SolidColor1 = SolidWhite;
+
+	for(int i = 0; i < 21; i++)
+		IndexedTriList[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+IndexedTriListRender(void)
+{
+	rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST,
+		IndexedTriList, 21, IndexedTriListIndices, 45);
+}
diff --git a/tools/im2d/tristrip.cpp b/tools/im2d/tristrip.cpp
new file mode 100644
index 0000000..41f2d3a
--- /dev/null
+++ b/tools/im2d/tristrip.cpp
@@ -0,0 +1,130 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im2d.h"
+
+float TriStripData[18][4] = {
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+	{ 0.000f,  0.500f,  0.500f,  0.750f},
+
+	{ 0.707f,  0.707f,  0.853f,  0.853f},
+	{ 0.354f,  0.354f,  0.677f,  0.677f},
+
+	{ 1.000f,  0.000f,  1.000f,  0.500f},
+	{ 0.500f,  0.000f,  0.750f,  0.500f},
+
+	{ 0.707f, -0.707f,  0.853f,  0.147f},
+	{ 0.354f, -0.354f,  0.677f,  0.323f},
+
+	{ 0.000f, -1.000f,  0.500f,  0.000f},
+	{ 0.000f, -0.500f,  0.500f,  0.250f},
+
+	{-0.707f, -0.707f,  0.147f,  0.147f},
+	{-0.354f, -0.354f,  0.323f,  0.323f},
+
+	{-1.000f,  0.000f,  0.000f,  0.500f},
+	{-0.500f,  0.000f,  0.250f,  0.500f},
+
+	{-0.707f,  0.707f,  0.147f,  0.853f},
+	{-0.354f,  0.354f,  0.323f,  0.677f},
+
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+	{ 0.000f,  0.500f,  0.500f,  0.750f}
+};
+
+float IndexedTriStripData[16][4] = {
+	{ 0.000f,  1.000f,  0.500f,  1.000f},
+	{ 0.707f,  0.707f,  0.853f,  0.853f},
+	{ 1.000f,  0.000f,  1.000f,  0.500f},
+	{ 0.707f, -0.707f,  0.853f,  0.147f},
+	{ 0.000f, -1.000f,  0.500f,  0.000f},
+	{-0.707f, -0.707f,  0.147f,  0.147f},
+	{-1.000f,  0.000f,  0.000f,  0.500f},
+	{-0.707f,  0.707f,  0.147f,  0.853f},
+
+	{ 0.000f,  0.500f,  0.500f,  0.750f},
+	{ 0.354f,  0.354f,  0.677f,  0.677f},
+	{ 0.500f,  0.000f,  0.750f,  0.500f},
+	{ 0.354f, -0.354f,  0.677f,  0.323f},
+	{ 0.000f, -0.500f,  0.500f,  0.250f},
+	{-0.354f, -0.354f,  0.323f,  0.323f},
+	{-0.500f,  0.000f,  0.250f,  0.500f},
+	{-0.354f,  0.354f,  0.323f,  0.677f}
+};
+
+rw::uint16 IndexedTriStripIndices[18] = {
+	0, 8,  1, 9,  2, 10, 3, 11,
+	4, 12, 5, 13, 6, 14, 7, 15, 0, 8
+};
+
+rw::RWDEVICE::Im2DVertex TriStrip[18];
+rw::RWDEVICE::Im2DVertex IndexedTriStrip[16];
+
+
+void
+TriStripCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 18; i++){
+		TriStrip[i].setScreenX(ScreenSize.x/2.0f + TriStripData[i][0]*Scale);
+		TriStrip[i].setScreenY(ScreenSize.y/2.0f - TriStripData[i][1]*Scale);
+		TriStrip[i].setScreenZ(rw::im2d::GetNearZ());
+		TriStrip[i].setRecipCameraZ(recipZ);
+		TriStrip[i].setU(TriStripData[i][2], recipZ);
+		TriStrip[i].setV(TriStripData[i][3], recipZ);
+	}
+}
+
+void
+TriStripSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidPurple;
+
+	if(white)
+		SolidColor1 = SolidWhite;
+
+	for(int i = 0; i < 18; i++)
+		TriStrip[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+TriStripRender(void)
+{
+	rw::im2d::RenderPrimitive(rw::PRIMTYPETRISTRIP, TriStrip, 18);
+}
+
+
+void
+IndexedTriStripCreate(rw::Camera *camera)
+{
+	float recipZ = 1.0f/camera->nearPlane;
+	for(int i = 0; i < 16; i++){
+		IndexedTriStrip[i].setScreenX(ScreenSize.x/2.0f + IndexedTriStripData[i][0]*Scale);
+		IndexedTriStrip[i].setScreenY(ScreenSize.y/2.0f - IndexedTriStripData[i][1]*Scale);
+		IndexedTriStrip[i].setScreenZ(rw::im2d::GetNearZ());
+		IndexedTriStrip[i].setRecipCameraZ(recipZ);
+		IndexedTriStrip[i].setU(IndexedTriStripData[i][2], recipZ);
+		IndexedTriStrip[i].setV(IndexedTriStripData[i][3], recipZ);
+	}
+}
+
+void
+IndexedTriStripSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidCyan;
+
+	if(white)
+		SolidColor1 = SolidWhite;
+
+	for(int i = 0; i < 16; i++)
+		IndexedTriStrip[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+IndexedTriStripRender(void)
+{
+	rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRISTRIP,
+		IndexedTriStrip, 16, IndexedTriStripIndices, 18);
+}
diff --git a/tools/im3d/CMakeLists.txt b/tools/im3d/CMakeLists.txt
new file mode 100644
index 0000000..1a49114
--- /dev/null
+++ b/tools/im3d/CMakeLists.txt
@@ -0,0 +1,23 @@
+add_executable(im3d WIN32
+    im3d.cpp
+    linelist.cpp
+    main.cpp
+    polyline.cpp
+    trifan.cpp
+    trilist.cpp
+    tristrip.cpp
+)
+
+target_link_libraries(im3d
+    PRIVATE
+        librw::skeleton
+        librw::librw
+)
+
+add_custom_command(
+    TARGET im3d POST_BUILD
+    COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:im3d>/files"
+    COMMAND "${CMAKE_COMMAND}" -E copy_directory "${CMAKE_CURRENT_SOURCE_DIR}/files" "$<TARGET_FILE_DIR:im3d>/files"
+)
+
+librw_platform_target(im3d)
diff --git a/tools/im3d/files/whiteash.png b/tools/im3d/files/whiteash.png
new file mode 100644
index 0000000..aa60569
--- /dev/null
+++ b/tools/im3d/files/whiteash.png
diff --git a/tools/im3d/im3d.cpp b/tools/im3d/im3d.cpp
new file mode 100644
index 0000000..4588bc1
--- /dev/null
+++ b/tools/im3d/im3d.cpp
@@ -0,0 +1,138 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im3d.h"
+
+bool Im3DColored = true;
+bool Im3DTextured;
+
+rw::int32 Im3DPrimType;
+
+rw::RGBA SolidWhite = {255, 255, 255, 255};
+rw::RGBA SolidBlack = {0, 0, 0, 255};
+rw::RGBA SolidRed = {200, 64, 64, 255};
+rw::RGBA SolidGreen = {64, 200, 64, 255};
+rw::RGBA SolidBlue = {64, 64, 200, 255};
+rw::RGBA SolidYellow = {200, 200, 64, 255};
+rw::RGBA SolidPurple = {200, 64, 200, 255};
+rw::RGBA SolidCyan = {64, 200, 200, 255};
+
+rw::Matrix *Im3DMatrix;
+rw::Texture *Im3DTexture;
+
+void
+Im3DInitialize(void)
+{
+	Im3DMatrix = rw::Matrix::create();
+	assert(Im3DMatrix);
+
+	rw::Matrix *cameraMatrix = &Camera->getFrame()->matrix;
+	rw::V3d pos = rw::scale(cameraMatrix->at, 6.0f);
+	Im3DMatrix->rotate(&cameraMatrix->up, 30.0f);
+	Im3DMatrix->translate(&pos);
+
+	rw::Image::setSearchPath("files/");
+	Im3DTexture = rw::Texture::read("whiteash", nil);
+
+	LineListCreate();
+	LineListSetColor(!Im3DColored);
+
+	IndexedLineListCreate();
+	IndexedLineListSetColor(!Im3DColored);
+
+	PolyLineCreate();
+	PolyLineSetColor(!Im3DColored);
+
+	IndexedPolyLineCreate();
+	IndexedPolyLineSetColor(!Im3DColored);
+
+	TriListCreate();
+	TriListSetColor(!Im3DColored);
+
+	IndexedTriListCreate();
+	IndexedTriListSetColor(!Im3DColored);
+
+	TriStripCreate();
+	TriStripSetColor(!Im3DColored);
+
+	IndexedTriStripCreate();
+	IndexedTriStripSetColor(!Im3DColored);
+
+	TriFanCreate();
+	TriFanSetColor(!Im3DColored);
+
+	IndexedTriFanCreate();
+	IndexedTriFanSetColor(!Im3DColored);
+}
+
+void
+Im3DTerminate(void)
+{
+	if(Im3DMatrix){
+		Im3DMatrix->destroy();
+		Im3DMatrix = nil;
+	}
+
+	if(Im3DTexture){
+		Im3DTexture->destroy();
+		Im3DTexture = nil;
+	}
+}
+
+void
+Im3DRender(void)
+{
+	rw::SetRenderState(rw::ZTESTENABLE, 1);
+	rw::SetRenderState(rw::ZWRITEENABLE, 1);
+	rw::SetRenderState(rw::SRCBLEND, rw::BLENDONE);
+	rw::SetRenderState(rw::DESTBLEND, rw::BLENDZERO);
+	rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::FilterMode::LINEAR);
+	rw::SetRenderState(rw::CULLMODE, rw::CULLBACK);
+
+	rw::uint32 flags;
+	if(Im3DTextured){
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, Im3DTexture->raster);
+		flags = rw::im3d::VERTEXUV | rw::im3d::ALLOPAQUE;
+	}else{
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+		flags = rw::im3d::ALLOPAQUE;
+	}
+
+	switch(Im3DPrimType){
+	case 0: LineListRender(Im3DMatrix, flags); break;
+	case 1: IndexedLineListRender(Im3DMatrix, flags); break;
+	case 2: PolyLineRender(Im3DMatrix, flags); break;
+	case 3: IndexedPolyLineRender(Im3DMatrix, flags); break;
+	case 4: TriListRender(Im3DMatrix, flags); break;
+	case 5: IndexedTriListRender(Im3DMatrix, flags); break;
+	case 6: TriStripRender(Im3DMatrix, flags); break;
+	case 7: IndexedTriStripRender(Im3DMatrix, flags); break;
+	case 8: TriFanRender(Im3DMatrix, flags); break;
+	case 9: IndexedTriFanRender(Im3DMatrix, flags); break;
+	}
+}
+
+void
+Im3DRotate(float xAngle, float yAngle)
+{
+	rw::Matrix *cameraMatrix = &Camera->getFrame()->matrix;
+	rw::V3d pos = Im3DMatrix->pos;
+
+	pos = rw::scale(pos, -1.0f);
+	Im3DMatrix->translate(&pos);
+
+	Im3DMatrix->rotate(&cameraMatrix->up, xAngle);
+	Im3DMatrix->rotate(&cameraMatrix->right, yAngle);
+
+	pos = rw::scale(pos, -1.0f);
+	Im3DMatrix->translate(&pos);
+}
+
+void
+Im3DTranslateZ(float zDelta)
+{
+	rw::Matrix *cameraMatrix = &Camera->getFrame()->matrix;
+	rw::V3d delta = rw::scale(cameraMatrix->at, zDelta);
+	Im3DMatrix->translate(&delta);
+}
+
diff --git a/tools/im3d/im3d.h b/tools/im3d/im3d.h
new file mode 100644
index 0000000..a9651cf
--- /dev/null
+++ b/tools/im3d/im3d.h
@@ -0,0 +1,62 @@
+extern rw::Camera *Camera;
+
+extern bool Im3DColored;
+extern bool Im3DTextured;
+
+extern rw::int32 Im3DPrimType;
+
+extern rw::RGBA SolidWhite;
+extern rw::RGBA SolidBlack;
+extern rw::RGBA SolidRed;
+extern rw::RGBA SolidGreen;
+extern rw::RGBA SolidBlue;
+extern rw::RGBA SolidYellow;
+extern rw::RGBA SolidPurple;
+extern rw::RGBA SolidCyan;
+
+
+void Im3DInitialize(void);
+void Im3DTerminate(void);
+void Im3DRender(void);
+void Im3DRotate(float xAngle, float yAngle);
+void Im3DTranslateZ(float zDelta);
+
+void LineListCreate(void);
+void LineListSetColor(bool white);
+void LineListRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void IndexedLineListCreate(void);
+void IndexedLineListSetColor(bool white);
+void IndexedLineListRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void PolyLineCreate(void);
+void PolyLineSetColor(bool white);
+void PolyLineRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void IndexedPolyLineCreate(void);
+void IndexedPolyLineSetColor(bool white);
+void IndexedPolyLineRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void TriListCreate(void);
+void TriListSetColor(bool white);
+void TriListRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void IndexedTriListCreate(void);
+void IndexedTriListSetColor(bool white);
+void IndexedTriListRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void TriStripCreate(void);
+void TriStripSetColor(bool white);
+void TriStripRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void IndexedTriStripCreate(void);
+void IndexedTriStripSetColor(bool white);
+void IndexedTriStripRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void TriFanCreate(void);
+void TriFanSetColor(bool white);
+void TriFanRender(rw::Matrix *transform, rw::uint32 transformFlags);
+
+void IndexedTriFanCreate(void);
+void IndexedTriFanSetColor(bool white);
+void IndexedTriFanRender(rw::Matrix *transform, rw::uint32 transformFlags);
diff --git a/tools/im3d/linelist.cpp b/tools/im3d/linelist.cpp
new file mode 100644
index 0000000..768e87a
--- /dev/null
+++ b/tools/im3d/linelist.cpp
@@ -0,0 +1,176 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im3d.h"
+
+float LineListData[28][5] = {
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.000f,  1.000f,  0.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.000f, -1.000f,  0.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.000f,  0.000f,  1.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.000f,  0.000f, -1.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 1.000f,  0.000f,  0.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{-1.000f,  0.000f,  0.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.577f,  0.577f,  0.577f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.577f, -0.577f,  0.577f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.577f,  0.577f, -0.577f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.577f, -0.577f, -0.577f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.577f, -0.577f, -0.577f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.577f,  0.577f, -0.577f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.577f, -0.577f,  0.577f,  1.000f,  1.000f},
+
+	{ 0.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.577f,  0.577f,  0.577f,  1.000f,  1.000f}       
+};
+
+float IndexedLineListData[18][5] = {
+	{ 0.000f,  1.000f,  0.000f,  0.000f,  0.000f},
+
+	{ 0.577f,  0.577f,  0.577f,  0.000f,  0.000f},
+	{ 0.577f,  0.577f, -0.577f,  0.000f,  0.000f},
+	{-0.577f,  0.577f, -0.577f,  0.000f,  0.000f},
+	{-0.577f,  0.577f,  0.577f,  0.000f,  0.000f},
+
+	{ 0.000f,  0.000f,  1.000f,  0.000f,  0.000f},
+	{ 0.707f,  0.000f,  0.707f,  0.000f,  0.000f},
+	{ 1.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{ 0.707f,  0.000f, -0.707f,  0.000f,  0.000f},
+	{ 0.000f,  0.000f, -1.000f,  0.000f,  0.000f},
+	{-0.707f,  0.000f, -0.707f,  0.000f,  0.000f},
+	{-1.000f,  0.000f,  0.000f,  0.000f,  0.000f},
+	{-0.707f,  0.000f,  0.707f,  0.000f,  0.000f},
+
+	{ 0.577f, -0.577f,  0.577f,  0.000f,  0.000f},
+	{ 0.577f, -0.577f, -0.577f,  0.000f,  0.000f},
+	{-0.577f, -0.577f, -0.577f,  0.000f,  0.000f},
+	{-0.577f, -0.577f,  0.577f,  0.000f,  0.000f},
+
+	{ 0.000f, -1.000f,  0.000f,  0.000f,  0.000f}
+};
+
+rw::uint16 IndexedLineListIndices[96] = {
+	0,1,   0,2,   0,3,   0,4,   1,2,   2,3,   3,4,   4,1,
+
+	1,5,   1,6,   1,7,   2,7,   2,8,   2,9,   3,9,   3,10,  3,11,  4,11,  4,12,  4,5,
+	5,6,   6,7,   7,8,   8,9,   9,10,  10,11, 11,12, 12,5,
+	13,5,  13,6,  13,7,  14,7,  14,8,  14,9,  15,9,  15,10, 15,11, 16,11, 16,12, 16,5,
+
+	17,13, 17,14, 17,15, 17,16, 13,14,  14,15, 15,16, 16,13
+};
+
+rw::RWDEVICE::Im3DVertex LineList[28];
+rw::RWDEVICE::Im3DVertex IndexedLineList[18];
+
+
+void
+LineListCreate(void)
+{
+	for(int i = 0; i < 28; i++){
+		LineList[i].setX(LineListData[i][0]);
+		LineList[i].setY(LineListData[i][1]);
+		LineList[i].setZ(LineListData[i][2]);
+		LineList[i].setU(LineListData[i][3]);
+		LineList[i].setV(LineListData[i][4]);
+	}
+}
+
+void
+LineListSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidRed;
+	rw::RGBA SolidColor2 = SolidWhite;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+	}
+
+	for(int i = 0; i < 28; i += 2){
+		LineList[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+		LineList[i+1].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+	}
+}
+
+void
+LineListRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(LineList, 28, transform, transformFlags);
+	rw::im3d::RenderPrimitive(rw::PRIMTYPELINELIST);
+	rw::im3d::End();
+}
+
+
+void
+IndexedLineListCreate(void)
+{
+	for(int i = 0; i < 18; i++){
+		IndexedLineList[i].setX(IndexedLineListData[i][0]);
+		IndexedLineList[i].setY(IndexedLineListData[i][1]);
+		IndexedLineList[i].setZ(IndexedLineListData[i][2]);
+		IndexedLineList[i].setU(IndexedLineListData[i][3]);
+		IndexedLineList[i].setV(IndexedLineListData[i][4]);
+	}
+}
+
+void
+IndexedLineListSetColor(bool white)
+{
+	int i;
+	rw::RGBA SolidColor1 = SolidRed;
+	rw::RGBA SolidColor2 = SolidGreen;
+	rw::RGBA SolidColor3 = SolidBlue;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+		SolidColor3 = SolidWhite;
+	}
+
+	IndexedLineList[0].setColor(SolidColor1.red, SolidColor1.green,
+		SolidColor1.blue, SolidColor1.alpha);
+	for(i = 1; i < 5; i++)
+		IndexedLineList[i].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+	for(; i < 13; i++)
+		IndexedLineList[i].setColor(SolidColor3.red, SolidColor3.green,
+			SolidColor3.blue, SolidColor3.alpha);
+	for(; i < 17; i++)
+		IndexedLineList[i].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+	IndexedLineList[i].setColor(SolidColor1.red, SolidColor1.green,
+		SolidColor1.blue, SolidColor1.alpha);
+}
+
+void
+IndexedLineListRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(IndexedLineList, 18, transform, transformFlags);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPELINELIST, IndexedLineListIndices, 96);
+	rw::im3d::End();
+}
diff --git a/tools/im3d/main.cpp b/tools/im3d/main.cpp
new file mode 100644
index 0000000..4949d2e
--- /dev/null
+++ b/tools/im3d/main.cpp
@@ -0,0 +1,268 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+#include "im3d.h"
+
+rw::EngineOpenParams engineOpenParams;
+
+rw::RGBA ForegroundColor = { 200, 200, 200, 255 };
+rw::RGBA BackgroundColor = { 64, 64, 64, 0 };
+
+rw::Camera *Camera;
+rw::Charset *Charset;
+
+float TimeDelta;
+
+rw::Camera*
+CreateCamera(void)
+{
+	Camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	assert(Camera);
+
+	Camera->setNearPlane(0.1f);
+	Camera->setFarPlane(50.0f);
+
+	return Camera;
+}
+
+void
+Initialize(void)
+{
+	sk::globals.windowtitle = "Im3D example";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+Initialize3D(void)
+{
+	if(!sk::InitRW())
+		return false;
+
+	Charset = rw::Charset::create(&ForegroundColor, &BackgroundColor);
+
+	Camera = CreateCamera();
+
+	Im3DInitialize();
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	rw::Rect r;
+	r.x = 0;
+	r.y = 0;
+	r.w = sk::globals.width;
+	r.h = sk::globals.height;
+	sk::CameraSize(::Camera, &r, 0.5f, 4.0f/3.0f);
+
+	return true;
+}
+
+void
+Terminate3D(void)
+{
+	Im3DTerminate();
+
+	if(Camera){
+		Camera->destroy();
+		Camera = nil;
+	}
+
+	if(Charset){
+		Charset->destroy();
+		Charset = nil;
+	}
+
+	sk::TerminateRW();
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+void
+DisplayOnScreenInfo(void)
+{
+}
+
+void
+Gui(void)
+{
+	static bool showWindow = true;
+	ImGui::Begin("Im2D", &showWindow);
+
+	ImGui::RadioButton("Line-list", &Im3DPrimType, 0);
+	ImGui::RadioButton("Line-list indexed", &Im3DPrimType, 1);
+	ImGui::RadioButton("Poly-line", &Im3DPrimType, 2);
+	ImGui::RadioButton("Poly-line indexed", &Im3DPrimType, 3);
+	ImGui::RadioButton("Tri-list", &Im3DPrimType, 4);
+	ImGui::RadioButton("Tri-list indexed", &Im3DPrimType, 5);
+	ImGui::RadioButton("Tri-strip", &Im3DPrimType, 6);
+	ImGui::RadioButton("Tri-strip indexed", &Im3DPrimType, 7);
+	ImGui::RadioButton("Tri-fan", &Im3DPrimType, 8);
+	ImGui::RadioButton("Tri-fan indexed", &Im3DPrimType, 9);
+
+	ImGui::NewLine();
+
+	ImGui::Checkbox("Textured", &Im3DTextured);
+	if(ImGui::Checkbox("Colored", &Im3DColored)){
+		LineListSetColor(!Im3DColored);
+		IndexedLineListSetColor(!Im3DColored);
+		PolyLineSetColor(!Im3DColored);
+		IndexedPolyLineSetColor(!Im3DColored);
+		TriListSetColor(!Im3DColored);
+		IndexedTriListSetColor(!Im3DColored);
+		TriStripSetColor(!Im3DColored);
+		IndexedTriStripSetColor(!Im3DColored);
+		TriFanSetColor(!Im3DColored);
+		IndexedTriFanSetColor(!Im3DColored);
+	}
+
+	ImGui::End();
+}
+
+void
+Render(void)
+{
+	Camera->clear(&BackgroundColor, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+
+	Camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(TimeDelta);
+
+	Im3DRender();
+	DisplayOnScreenInfo();
+
+	Gui();
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	ImGui_ImplRW_RenderDrawLists(ImGui::GetDrawData());
+
+	Camera->endUpdate();
+
+	Camera->showRaster(0);
+}
+
+void
+Idle(float timeDelta)
+{
+	TimeDelta = timeDelta;
+	Render();
+}
+
+int MouseX, MouseY;
+int MouseDeltaX, MouseDeltaY;
+int MouseButtons;
+
+bool Rotate, Translate;
+
+void
+KeyUp(int key)
+{
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+void
+MouseBtn(sk::MouseState *mouse)
+{
+	MouseButtons = mouse->buttons;
+	Rotate = !!(MouseButtons&1);
+	Translate = !!(MouseButtons&4);
+}
+
+void
+MouseMove(sk::MouseState *mouse)
+{
+	MouseDeltaX = mouse->posx - MouseX;
+	MouseDeltaY = mouse->posy - MouseY;
+	MouseX = mouse->posx;
+	MouseY = mouse->posy;
+	if(Rotate)
+		Im3DRotate(MouseDeltaX, -MouseDeltaY);
+	if(Translate)
+		Im3DTranslateZ(-MouseDeltaY*0.1f);
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+	MouseState *ms;
+
+	ImGuiEventHandler(e, param);
+	ImGuiIO &io = ImGui::GetIO();
+
+	switch(e){
+	case INITIALIZE:
+		Initialize();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return Initialize3D() ? EVENTPROCESSED : EVENTERROR;
+	case RWTERMINATE:
+		Terminate3D();
+		return EVENTPROCESSED;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case MOUSEBTN:
+		if(!io.WantCaptureMouse){
+			ms = (MouseState*)param;
+			MouseBtn(ms);
+		}else
+			MouseButtons = 0;
+		return EVENTPROCESSED;
+	case MOUSEMOVE:
+		MouseMove((MouseState*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		if(::Camera){
+			sk::CameraSize(::Camera, r, 0.5f, 4.0f/3.0f);
+		}
+		break;
+	case IDLE:
+		Idle(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}
diff --git a/tools/im3d/polyline.cpp b/tools/im3d/polyline.cpp
new file mode 100644
index 0000000..1a206b0
--- /dev/null
+++ b/tools/im3d/polyline.cpp
@@ -0,0 +1,157 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im3d.h"
+
+float PolyLineData[21][5] = {
+	{ 0.000f,  1.000f,  1.000f,  0.500f,  1.000f},
+	{ 0.707f,  0.707f,  0.900f,  0.854f,  0.854f},
+	{ 1.000f,  0.000f,  0.800f,  1.000f,  0.500f},
+	{ 0.707f, -0.707f,  0.700f,  0.854f,  0.146f},
+	{ 0.000f, -1.000f,  0.600f,  0.500f,  0.000f},
+	{-0.707f, -0.707f,  0.500f,  0.146f,  0.146f},
+	{-1.000f, -0.000f,  0.400f,  0.000f,  0.500f},
+	{-0.707f,  0.707f,  0.300f,  0.146f,  0.854f},
+
+	{ 0.000f,  1.000f,  0.200f,  0.500f,  1.000f},
+	{ 0.707f,  0.707f,  0.100f,  0.854f,  0.854f},
+	{ 1.000f,  0.000f,  0.000f,  1.000f,  0.500f},
+	{ 0.707f, -0.707f, -0.100f,  0.854f,  0.146f},
+	{ 0.000f, -1.000f, -0.200f,  0.500f,  0.000f},
+	{-0.707f, -0.707f, -0.300f,  0.146f,  0.146f},
+	{-1.000f, -0.000f, -0.400f,  0.000f,  0.500f},
+	{-0.707f,  0.707f, -0.500f,  0.146f,  0.854f},
+
+	{ 0.000f,  1.000f, -0.600f,  0.500f,  1.000f},
+	{ 0.707f,  0.707f, -0.700f,  0.854f,  0.854f},
+	{ 1.000f,  0.000f, -0.800f,  1.000f,  0.500f},
+	{ 0.707f, -0.707f, -0.900f,  0.854f,  0.146f},
+	{ 0.000f, -1.000f, -1.000f,  0.500f,  0.000f}
+};
+
+float IndexedPolyLineData[8][5] = {
+	{ 1.000f,  1.000f,  1.000f,  1.000f,  0.000f},
+	{-1.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+	{-1.000f, -1.000f,  1.000f,  0.500f,  1.000f},    
+	{ 1.000f, -1.000f,  1.000f,  0.500f,  0.000f},    
+
+	{ 1.000f,  1.000f, -1.000f,  0.500f,  0.000f},
+	{-1.000f,  1.000f, -1.000f,  0.500f,  1.000f},
+	{-1.000f, -1.000f, -1.000f,  0.000f,  1.000f},    
+	{ 1.000f, -1.000f, -1.000f,  0.000f,  0.000f}
+};
+
+rw::uint16 IndexedPolyLineIndices[25] = {
+	0, 1, 2, 3, 0, 2, 6, 5, 1, 3, 7, 4, 0, 5, 4, 6, 1, 4, 3, 6, 7, 5, 2, 7, 0
+};
+
+rw::RWDEVICE::Im3DVertex PolyLine[21];
+rw::RWDEVICE::Im3DVertex IndexedPolyLine[8];
+
+
+void
+PolyLineCreate(void)
+{
+	for(int i = 0; i < 21; i++){
+		PolyLine[i].setX(PolyLineData[i][0]);
+		PolyLine[i].setY(PolyLineData[i][1]);
+		PolyLine[i].setZ(PolyLineData[i][2]);
+		PolyLine[i].setU(PolyLineData[i][3]);
+		PolyLine[i].setV(PolyLineData[i][4]);
+	}
+}
+
+void
+PolyLineSetColor(bool white)
+{
+	int i;
+	rw::RGBA SolidColor1 = SolidRed;
+	rw::RGBA SolidColor2 = SolidGreen;
+	rw::RGBA SolidColor3 = SolidBlue;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+		SolidColor3 = SolidWhite;
+	}
+
+	for(i = 0; i < 7; i++)
+		PolyLine[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+	for(; i < 14; i++)
+		PolyLine[i].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+	for(; i < 21; i++)
+		PolyLine[i].setColor(SolidColor3.red, SolidColor3.green,
+			SolidColor3.blue, SolidColor3.alpha);
+}
+
+void
+PolyLineRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(PolyLine, 21, transform, transformFlags);
+	rw::im3d::RenderPrimitive(rw::PRIMTYPEPOLYLINE);
+	rw::im3d::End();
+}
+
+
+void
+IndexedPolyLineCreate(void)
+{
+	for(int i = 0; i < 8; i++){
+		IndexedPolyLine[i].setX(IndexedPolyLineData[i][0]);
+		IndexedPolyLine[i].setY(IndexedPolyLineData[i][1]);
+		IndexedPolyLine[i].setZ(IndexedPolyLineData[i][2]);
+		IndexedPolyLine[i].setU(IndexedPolyLineData[i][3]);
+		IndexedPolyLine[i].setV(IndexedPolyLineData[i][4]);
+	}
+}
+
+void
+IndexedPolyLineSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidRed;
+	rw::RGBA SolidColor2 = SolidYellow;
+	rw::RGBA SolidColor3 = SolidBlack;
+	rw::RGBA SolidColor4 = SolidPurple;
+	rw::RGBA SolidColor5 = SolidGreen;
+	rw::RGBA SolidColor6 = SolidCyan;
+	rw::RGBA SolidColor7 = SolidBlue;
+	rw::RGBA SolidColor8 = SolidWhite;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+		SolidColor3 = SolidWhite;
+		SolidColor4 = SolidWhite;
+		SolidColor5 = SolidWhite;
+		SolidColor6 = SolidWhite;
+		SolidColor7 = SolidWhite;
+		SolidColor8 = SolidWhite;
+	}
+
+	IndexedPolyLine[0].setColor(SolidColor1.red, SolidColor1.green,
+		SolidColor1.blue, SolidColor1.alpha);
+	IndexedPolyLine[1].setColor(SolidColor2.red, SolidColor2.green,
+		SolidColor2.blue, SolidColor2.alpha);
+	IndexedPolyLine[2].setColor(SolidColor3.red, SolidColor3.green,
+		SolidColor3.blue, SolidColor3.alpha);
+	IndexedPolyLine[3].setColor(SolidColor4.red, SolidColor4.green,
+		SolidColor4.blue, SolidColor4.alpha);
+	IndexedPolyLine[4].setColor(SolidColor5.red, SolidColor5.green,
+		SolidColor5.blue, SolidColor5.alpha);
+	IndexedPolyLine[5].setColor(SolidColor6.red, SolidColor6.green,
+		SolidColor6.blue, SolidColor6.alpha);
+	IndexedPolyLine[6].setColor(SolidColor7.red, SolidColor7.green,
+		SolidColor7.blue, SolidColor7.alpha);
+	IndexedPolyLine[7].setColor(SolidColor8.red, SolidColor8.green,
+		SolidColor8.blue, SolidColor8.alpha);
+}
+
+void
+IndexedPolyLineRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(IndexedPolyLine, 8, transform, transformFlags);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPEPOLYLINE, IndexedPolyLineIndices, 25);
+	rw::im3d::End();
+}
diff --git a/tools/im3d/trifan.cpp b/tools/im3d/trifan.cpp
new file mode 100644
index 0000000..3bef64b
--- /dev/null
+++ b/tools/im3d/trifan.cpp
@@ -0,0 +1,152 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im3d.h"
+
+float TriFanData[34][5] = {
+	{ 0.000f,  0.000f, -1.000f,  0.500f,  0.500f},
+
+	{ 0.000f,  1.000f,  0.000f,  0.500f,  1.000f},
+	{ 0.383f,  0.924f,  0.000f,  0.691f,  0.962f},
+	{ 0.707f,  0.707f,  0.000f,  0.854f,  0.854f},
+	{ 0.924f,  0.383f,  0.000f,  0.962f,  0.691f},
+	{ 1.000f,  0.000f,  0.000f,  1.000f,  0.500f},
+	{ 0.924f, -0.383f,  0.000f,  0.962f,  0.309f},
+	{ 0.707f, -0.707f,  0.000f,  0.854f,  0.146f},
+	{ 0.383f, -0.924f,  0.000f,  0.691f,  0.038f},
+	{ 0.000f, -1.000f,  0.000f,  0.500f,  0.000f},
+	{-0.383f, -0.924f,  0.000f,  0.309f,  0.038f},
+	{-0.707f, -0.707f,  0.000f,  0.146f,  0.146f},
+	{-0.924f, -0.383f,  0.000f,  0.038f,  0.309f},
+	{-1.000f, -0.000f,  0.000f,  0.000f,  0.500f},
+	{-0.924f,  0.383f,  0.000f,  0.038f,  0.691f},
+	{-0.707f,  0.707f,  0.000f,  0.146f,  0.854f},
+	{-0.383f,  0.924f,  0.000f,  0.309f,  0.962f},
+
+	{ 0.000f,  1.000f,  0.000f,  0.500f,  1.000f},
+
+	{-0.383f,  0.924f,  0.000f,  0.309f,  0.962f},
+	{-0.707f,  0.707f,  0.000f,  0.146f,  0.854f},
+	{-0.924f,  0.383f,  0.000f,  0.038f,  0.691f},
+	{-1.000f, -0.000f,  0.000f,  0.000f,  0.500f},
+	{-0.924f, -0.383f,  0.000f,  0.038f,  0.309f},
+	{-0.707f, -0.707f,  0.000f,  0.146f,  0.146f},
+	{-0.383f, -0.924f,  0.000f,  0.309f,  0.038f},
+	{ 0.000f, -1.000f,  0.000f,  0.500f,  0.000f},
+	{ 0.383f, -0.924f,  0.000f,  0.691f,  0.038f},
+	{ 0.707f, -0.707f,  0.000f,  0.854f,  0.146f},
+	{ 0.924f, -0.383f,  0.000f,  0.962f,  0.309f},
+	{ 1.000f,  0.000f,  0.000f,  1.000f,  0.500f},
+	{ 0.924f,  0.383f,  0.000f,  0.962f,  0.691f},
+	{ 0.707f,  0.707f,  0.000f,  0.854f,  0.854f},
+	{ 0.383f,  0.924f,  0.000f,  0.691f,  0.962f},
+	{ 0.000f,  1.000f,  0.000f,  0.500f,  1.000f}
+};
+
+float IndexedTriFanData[17][5] = {
+	/* top */
+	{ 0.000f,  0.000f, -1.000f,  0.500f,  0.500f},
+	/* circle */
+	{ 0.000f,  1.000f,  0.000f,  0.500f,  1.000f},
+	{ 0.383f,  0.924f,  0.000f,  0.691f,  0.962f},
+	{ 0.707f,  0.707f,  0.000f,  0.854f,  0.854f},
+	{ 0.924f,  0.383f,  0.000f,  0.962f,  0.691f},
+	{ 1.000f,  0.000f,  0.000f,  1.000f,  0.500f},
+	{ 0.924f, -0.383f,  0.000f,  0.962f,  0.309f},
+	{ 0.707f, -0.707f,  0.000f,  0.854f,  0.146f},
+	{ 0.383f, -0.924f,  0.000f,  0.691f,  0.038f},
+	{ 0.000f, -1.000f,  0.000f,  0.500f,  0.000f},
+	{-0.383f, -0.924f,  0.000f,  0.309f,  0.038f},
+	{-0.707f, -0.707f,  0.000f,  0.146f,  0.146f},
+	{-0.924f, -0.383f,  0.000f,  0.038f,  0.309f},
+	{-1.000f, -0.000f,  0.000f,  0.000f,  0.500f},
+	{-0.924f,  0.383f,  0.000f,  0.038f,  0.691f},
+	{-0.707f,  0.707f,  0.000f,  0.146f,  0.854f},
+	{-0.383f,  0.924f,  0.000f,  0.309f,  0.962f}
+};
+
+rw::uint16 IndexedTriFanIndices[34] = {
+	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 1,
+	16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
+};
+
+rw::RWDEVICE::Im3DVertex TriFan[34];
+rw::RWDEVICE::Im3DVertex IndexedTriFan[17];
+
+
+void
+TriFanCreate(void)
+{
+	for(int i = 0; i < 34; i++){
+		TriFan[i].setX(TriFanData[i][0]);
+		TriFan[i].setY(TriFanData[i][1]);
+		TriFan[i].setZ(TriFanData[i][2]);
+		TriFan[i].setU(TriFanData[i][3]);
+		TriFan[i].setV(TriFanData[i][4]);
+	}
+}
+
+void
+TriFanSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidYellow;
+	rw::RGBA SolidColor2 = SolidBlue;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+	}
+
+	TriFan[0].setColor(SolidColor1.red, SolidColor1.green,
+		SolidColor1.blue, SolidColor1.alpha);
+	for(int i = 1; i < 34; i++)
+		TriFan[i].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+}
+
+void
+TriFanRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(TriFan, 34, transform, transformFlags);
+	rw::im3d::RenderPrimitive(rw::PRIMTYPETRIFAN);
+	rw::im3d::End();
+}
+
+
+void
+IndexedTriFanCreate(void)
+{
+	for(int i = 0; i < 17; i++){
+		IndexedTriFan[i].setX(IndexedTriFanData[i][0]);
+		IndexedTriFan[i].setY(IndexedTriFanData[i][1]);
+		IndexedTriFan[i].setZ(IndexedTriFanData[i][2]);
+		IndexedTriFan[i].setU(IndexedTriFanData[i][3]);
+		IndexedTriFan[i].setV(IndexedTriFanData[i][4]);
+	}
+}
+
+void
+IndexedTriFanSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidGreen;
+	rw::RGBA SolidColor2 = SolidBlack;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+	}
+
+	IndexedTriFan[0].setColor(SolidColor1.red, SolidColor1.green,
+		SolidColor1.blue, SolidColor1.alpha);
+	for(int i = 1; i < 17; i++)
+		IndexedTriFan[i].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+}
+
+void
+IndexedTriFanRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(IndexedTriFan, 17, transform, transformFlags);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRIFAN, IndexedTriFanIndices, 34);
+	rw::im3d::End();
+}
diff --git a/tools/im3d/trilist.cpp b/tools/im3d/trilist.cpp
new file mode 100644
index 0000000..6fa4014
--- /dev/null
+++ b/tools/im3d/trilist.cpp
@@ -0,0 +1,202 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im3d.h"
+
+float TriListData[36][5] = {
+	/* front */
+	{ 1.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+	{-1.000f, -1.000f,  1.000f,  0.000f,  0.000f},
+	{ 1.000f, -1.000f,  1.000f,  1.000f,  0.000f},
+	{ 1.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+	{-1.000f,  1.000f,  1.000f,  0.000f,  1.000f},
+	{-1.000f, -1.000f,  1.000f,  0.000f,  0.000f},
+	/* back */
+	{-1.000f, -1.000f, -1.000f,  1.000f,  1.000f},
+	{-1.000f,  1.000f, -1.000f,  1.000f,  0.000f},
+	{ 1.000f,  1.000f, -1.000f,  0.000f,  0.000f},
+	{-1.000f, -1.000f, -1.000f,  1.000f,  1.000f},
+	{ 1.000f,  1.000f, -1.000f,  0.000f,  0.000f},
+	{ 1.000f, -1.000f, -1.000f,  0.000f,  1.000f},
+	/* top */ 
+	{ 1.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+	{ 1.000f,  1.000f, -1.000f,  1.000f,  0.000f},
+	{-1.000f,  1.000f, -1.000f,  0.000f,  0.000f},
+	{ 1.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+	{-1.000f,  1.000f, -1.000f,  0.000f,  0.000f},
+	{-1.000f,  1.000f,  1.000f,  0.000f,  1.000f},
+	/* bottom */
+	{-1.000f, -1.000f, -1.000f,  1.000f,  1.000f},
+	{ 1.000f, -1.000f,  1.000f,  0.000f,  0.000f},
+	{-1.000f, -1.000f,  1.000f,  1.000f,  0.000f},
+	{-1.000f, -1.000f, -1.000f,  1.000f,  1.000f},
+	{ 1.000f, -1.000f, -1.000f,  0.000f,  1.000f},
+	{ 1.000f, -1.000f,  1.000f,  0.000f,  0.000f},
+	/* left */
+	{-1.000f, -1.000f, -1.000f,  1.000f,  1.000f},
+	{-1.000f,  1.000f,  1.000f,  0.000f,  0.000f},
+	{-1.000f,  1.000f, -1.000f,  1.000f,  0.000f},
+	{-1.000f, -1.000f, -1.000f,  1.000f,  1.000f},
+	{-1.000f, -1.000f,  1.000f,  0.000f,  1.000f},
+	{-1.000f,  1.000f,  1.000f,  0.000f,  0.000f},
+	/* right */
+	{ 1.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+	{ 1.000f, -1.000f,  1.000f,  1.000f,  0.000f},
+	{ 1.000f, -1.000f, -1.000f,  0.000f,  0.000f},
+	{ 1.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+	{ 1.000f, -1.000f, -1.000f,  0.000f,  0.000f},
+	{ 1.000f,  1.000f, -1.000f,  0.000f,  1.000f}
+};
+
+float IndexedTriListData[8][5] = {
+	{ 1.000f,  1.000f,  1.000f,  1.000f,  0.000f},
+	{-1.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+	{-1.000f, -1.000f,  1.000f,  0.500f,  1.000f},
+	{ 1.000f, -1.000f,  1.000f,  0.500f,  0.000f},
+
+	{ 1.000f,  1.000f, -1.000f,  0.500f,  0.000f},
+	{-1.000f,  1.000f, -1.000f,  0.500f,  1.000f},
+	{-1.000f, -1.000f, -1.000f,  0.000f,  1.000f},
+	{ 1.000f, -1.000f, -1.000f,  0.000f,  0.000f}    
+};
+
+rw::uint16 IndexedTriListIndices[36] = {
+	/* front */
+	0, 1, 3,  1, 2, 3,
+	/* back */
+	7, 5, 4,  5, 7, 6, 
+	/* left */
+	6, 2, 1,  1, 5, 6,
+	/* right */
+	0, 3, 4,  4, 3, 7, 
+	/* top */
+	1, 0, 4,  1, 4, 5,
+	/* bottom */
+	2, 6, 3,  6, 7, 3
+};
+
+rw::RWDEVICE::Im3DVertex TriList[36];
+rw::RWDEVICE::Im3DVertex IndexedTriList[8];
+
+
+void
+TriListCreate(void)
+{
+	for(int i = 0; i < 36; i++){
+		TriList[i].setX(TriListData[i][0]);
+		TriList[i].setY(TriListData[i][1]);
+		TriList[i].setZ(TriListData[i][2]);
+		TriList[i].setU(TriListData[i][3]);
+		TriList[i].setV(TriListData[i][4]);
+	}
+}
+
+void
+TriListSetColor(bool white)
+{
+	int i;
+	rw::RGBA SolidColor1 = SolidRed;
+	rw::RGBA SolidColor2 = SolidBlue;
+	rw::RGBA SolidColor3 = SolidGreen;
+	rw::RGBA SolidColor4 = SolidYellow;
+	rw::RGBA SolidColor5 = SolidCyan;
+	rw::RGBA SolidColor6 = SolidPurple;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+		SolidColor3 = SolidWhite;
+		SolidColor4 = SolidWhite;
+		SolidColor5 = SolidWhite;
+		SolidColor6 = SolidWhite;
+	}
+
+	for(i = 0; i < 6; i++)
+		TriList[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+	for(; i < 12; i++)
+		TriList[i].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+	for(; i < 18; i++)
+		TriList[i].setColor(SolidColor3.red, SolidColor3.green,
+			SolidColor3.blue, SolidColor3.alpha);
+	for(; i < 24; i++)
+		TriList[i].setColor(SolidColor4.red, SolidColor4.green,
+			SolidColor4.blue, SolidColor4.alpha);
+	for(; i < 30; i++)
+		TriList[i].setColor(SolidColor5.red, SolidColor5.green,
+			SolidColor5.blue, SolidColor5.alpha);
+	for(; i < 36; i++)
+		TriList[i].setColor(SolidColor6.red, SolidColor6.green,
+			SolidColor6.blue, SolidColor6.alpha);
+}
+
+void
+TriListRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(TriList, 36, transform, transformFlags);
+	rw::im3d::RenderPrimitive(rw::PRIMTYPETRILIST);
+	rw::im3d::End();
+}
+
+
+void
+IndexedTriListCreate(void)
+{
+	for(int i = 0; i < 8; i++){
+		IndexedTriList[i].setX(IndexedTriListData[i][0]);
+		IndexedTriList[i].setY(IndexedTriListData[i][1]);
+		IndexedTriList[i].setZ(IndexedTriListData[i][2]);
+		IndexedTriList[i].setU(IndexedTriListData[i][3]);
+		IndexedTriList[i].setV(IndexedTriListData[i][4]);
+	}
+}
+
+void
+IndexedTriListSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidRed;
+	rw::RGBA SolidColor2 = SolidYellow;
+	rw::RGBA SolidColor3 = SolidBlack;
+	rw::RGBA SolidColor4 = SolidPurple;
+	rw::RGBA SolidColor5 = SolidGreen;
+	rw::RGBA SolidColor6 = SolidCyan;
+	rw::RGBA SolidColor7 = SolidBlue;
+	rw::RGBA SolidColor8 = SolidWhite;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+		SolidColor3 = SolidWhite;
+		SolidColor4 = SolidWhite;
+		SolidColor5 = SolidWhite;
+		SolidColor6 = SolidWhite;
+		SolidColor7 = SolidWhite;
+		SolidColor8 = SolidWhite;
+	}
+
+	IndexedTriList[0].setColor(SolidColor1.red, SolidColor1.green,
+		SolidColor1.blue, SolidColor1.alpha);
+	IndexedTriList[1].setColor(SolidColor2.red, SolidColor2.green,
+		SolidColor2.blue, SolidColor2.alpha);
+	IndexedTriList[2].setColor(SolidColor3.red, SolidColor3.green,
+		SolidColor3.blue, SolidColor3.alpha);
+	IndexedTriList[3].setColor(SolidColor4.red, SolidColor4.green,
+		SolidColor4.blue, SolidColor4.alpha);
+	IndexedTriList[4].setColor(SolidColor5.red, SolidColor5.green,
+		SolidColor5.blue, SolidColor5.alpha);
+	IndexedTriList[5].setColor(SolidColor6.red, SolidColor6.green,
+		SolidColor6.blue, SolidColor6.alpha);
+	IndexedTriList[6].setColor(SolidColor7.red, SolidColor7.green,
+		SolidColor7.blue, SolidColor7.alpha);
+	IndexedTriList[7].setColor(SolidColor8.red, SolidColor8.green,
+		SolidColor8.blue, SolidColor8.alpha);
+}
+
+void
+IndexedTriListRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(IndexedTriList, 8, transform, transformFlags);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, IndexedTriListIndices, 36);
+	rw::im3d::End();
+}
diff --git a/tools/im3d/tristrip.cpp b/tools/im3d/tristrip.cpp
new file mode 100644
index 0000000..93c1496
--- /dev/null
+++ b/tools/im3d/tristrip.cpp
@@ -0,0 +1,169 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im3d.h"
+
+float TriStripData[36][5] = {
+	{ 0.000f,  1.000f, -1.000f,  0.000f,  0.000f},
+	{ 0.000f,  1.000f,  1.000f,  0.000f,  1.000f},
+
+	{ 0.707f,  0.707f, -1.000f,  0.125f,  0.000f},
+	{ 0.707f,  0.707f,  1.000f,  0.125f,  1.000f},
+
+	{ 1.000f,  0.000f, -1.000f,  0.250f,  0.000f},
+	{ 1.000f,  0.000f,  1.000f,  0.250f,  1.000f},
+
+	{ 0.707f, -0.707f, -1.000f,  0.375f,  0.000f},
+	{ 0.707f, -0.707f,  1.000f,  0.375f,  1.000f},
+    
+	{ 0.000f, -1.000f, -1.000f,  0.500f,  0.000f},
+	{ 0.000f, -1.000f,  1.000f,  0.500f,  1.000f},
+    
+	{-0.707f, -0.707f, -1.000f,  0.625f,  0.000f},
+	{-0.707f, -0.707f,  1.000f,  0.625f,  1.000f},
+    
+	{-1.000f, -0.000f, -1.000f,  0.750f,  0.000f},
+	{-1.000f, -0.000f,  1.000f,  0.750f,  1.000f},
+    
+	{-0.707f,  0.707f, -1.000f,  0.875f,  0.000f},
+	{-0.707f,  0.707f,  1.000f,  0.875f,  1.000f},
+
+	{ 0.000f,  1.000f, -1.000f,  1.000f,  0.000f},
+	{ 0.000f,  1.000f,  1.000f,  1.000f,  1.000f},
+
+	{ 0.000f,  1.000f,  1.000f,  0.000f,  0.000f},
+	{ 0.000f,  1.000f, -1.000f,  0.000f,  1.000f},
+
+	{ 0.707f,  0.707f,  1.000f,  0.125f,  0.000f},
+	{ 0.707f,  0.707f, -1.000f,  0.125f,  1.000f},
+    
+	{ 1.000f,  0.000f,  1.000f,  0.250f,  0.000f},
+	{ 1.000f,  0.000f, -1.000f,  0.250f,  1.000f},
+    
+	{ 0.707f, -0.707f,  1.000f,  0.375f,  0.000f},
+	{ 0.707f, -0.707f, -1.000f,  0.375f,  1.000f},
+    
+	{ 0.000f, -1.000f,  1.000f,  0.500f,  0.000f},
+	{ 0.000f, -1.000f, -1.000f,  0.500f,  1.000f},
+    
+	{-0.707f, -0.707f,  1.000f,  0.625f,  0.000f},
+	{-0.707f, -0.707f, -1.000f,  0.625f,  1.000f},
+    
+	{-1.000f, -0.000f,  1.000f,  0.750f,  0.000f},
+	{-1.000f, -0.000f, -1.000f,  0.750f,  1.000f},
+    
+	{-0.707f,  0.707f,  1.000f,  0.875f,  0.000f},
+	{-0.707f,  0.707f, -1.000f,  0.875f,  1.000f},
+    
+	{ 0.000f,  1.000f,  1.000f,  1.000f,  0.000f},
+	{ 0.000f,  1.000f, -1.000f,  1.000f,  1.000f}      
+};
+
+float IndexedTriStripData[16][5] = {
+	{ 0.000f,  1.000f,  1.000f,  0.000f,  0.000f},
+	{ 0.707f,  0.707f,  1.000f,  0.250f,  0.000f},
+	{ 1.000f,  0.000f,  1.000f,  0.500f,  0.000f},
+	{ 0.707f, -0.707f,  1.000f,  0.750f,  0.000f},
+	{ 0.000f, -1.000f,  1.000f,  1.000f,  0.000f},
+	{-0.707f, -0.707f,  1.000f,  0.750f,  0.000f},
+	{-1.000f, -0.000f,  1.000f,  0.500f,  0.000f},
+	{-0.707f,  0.707f,  1.000f,  0.250f,  0.000f},
+
+	{ 0.000f,  1.000f, -1.000f,  0.000f,  1.000f},
+	{ 0.707f,  0.707f, -1.000f,  0.250f,  1.000f},
+	{ 1.000f,  0.000f, -1.000f,  0.500f,  1.000f},
+	{ 0.707f, -0.707f, -1.000f,  0.750f,  1.000f},
+	{ 0.000f, -1.000f, -1.000f,  1.000f,  1.000f},
+	{-0.707f, -0.707f, -1.000f,  0.750f,  1.000f},
+	{-1.000f, -0.000f, -1.000f,  0.500f,  1.000f},
+	{-0.707f,  0.707f, -1.000f,  0.250f,  1.000f},
+};
+
+rw::uint16 IndexedTriStripIndices[36] = {
+	0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15, 0, 8,
+	8, 0, 9, 1, 10, 2, 11, 3, 12, 4, 13, 5, 14, 6, 15, 7, 8, 0
+};
+
+rw::RWDEVICE::Im3DVertex TriStrip[36];
+rw::RWDEVICE::Im3DVertex IndexedTriStrip[16];
+
+
+void
+TriStripCreate(void)
+{
+	for(int i = 0; i < 36; i++){
+		TriStrip[i].setX(TriStripData[i][0]);
+		TriStrip[i].setY(TriStripData[i][1]);
+		TriStrip[i].setZ(TriStripData[i][2]);
+		TriStrip[i].setU(TriStripData[i][3]);
+		TriStrip[i].setV(TriStripData[i][4]);
+	}
+}
+
+void
+TriStripSetColor(bool white)
+{
+	rw::RGBA SolidColor1 = SolidRed;
+	rw::RGBA SolidColor2 = SolidYellow;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+	}
+
+	for(int i = 0; i < 36; i += 2){
+		TriStrip[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+		TriStrip[i+1].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+	}
+}
+
+void
+TriStripRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(TriStrip, 36, transform, transformFlags);
+	rw::im3d::RenderPrimitive(rw::PRIMTYPETRISTRIP);
+	rw::im3d::End();
+}
+
+
+void
+IndexedTriStripCreate(void)
+{
+	for(int i = 0; i < 16; i++){
+		IndexedTriStrip[i].setX(IndexedTriStripData[i][0]);
+		IndexedTriStrip[i].setY(IndexedTriStripData[i][1]);
+		IndexedTriStrip[i].setZ(IndexedTriStripData[i][2]);
+		IndexedTriStrip[i].setU(IndexedTriStripData[i][3]);
+		IndexedTriStrip[i].setV(IndexedTriStripData[i][4]);
+	}
+}
+
+void
+IndexedTriStripSetColor(bool white)
+{
+	int i;
+	rw::RGBA SolidColor1 = SolidBlue;
+	rw::RGBA SolidColor2 = SolidGreen;
+
+	if(white){
+		SolidColor1 = SolidWhite;
+		SolidColor2 = SolidWhite;
+	}
+
+	for(i = 0; i < 8; i++)
+		IndexedTriStrip[i].setColor(SolidColor1.red, SolidColor1.green,
+			SolidColor1.blue, SolidColor1.alpha);
+	for(; i < 16; i++)
+		IndexedTriStrip[i].setColor(SolidColor2.red, SolidColor2.green,
+			SolidColor2.blue, SolidColor2.alpha);
+}
+
+void
+IndexedTriStripRender(rw::Matrix *transform, rw::uint32 transformFlags)
+{
+	rw::im3d::Transform(IndexedTriStrip, 16, transform, transformFlags);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRISTRIP, IndexedTriStripIndices, 36);
+	rw::im3d::End();
+}
diff --git a/tools/imguitest/CMakeLists.txt b/tools/imguitest/CMakeLists.txt
new file mode 100644
index 0000000..4f2e31d
--- /dev/null
+++ b/tools/imguitest/CMakeLists.txt
@@ -0,0 +1,17 @@
+add_executable(imguitest WIN32
+    main.cpp
+)
+
+target_link_libraries(imguitest
+    PUBLIC
+        librw::skeleton
+        librw::librw
+)
+
+if(LIBRW_INSTALL)
+    install(TARGETS imguitest
+        RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    )
+endif()
+
+librw_platform_target(imguitest INSTALL)
diff --git a/tools/imguitest/main.cpp b/tools/imguitest/main.cpp
new file mode 100644
index 0000000..749c06f
--- /dev/null
+++ b/tools/imguitest/main.cpp
@@ -0,0 +1,175 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+rw::V3d zero = { 0.0f, 0.0f, 0.0f };
+struct SceneGlobals {
+	rw::World *world;
+	rw::Camera *camera;
+} Scene;
+rw::EngineOpenParams engineOpenParams;
+
+void
+Init(void)
+{
+	sk::globals.windowtitle = "ImGui test";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+bool
+InitRW(void)
+{
+//	rw::platform = rw::PLATFORM_D3D8;
+	if(!sk::InitRW())
+		return false;
+
+	Scene.world = rw::World::create();
+
+	rw::Light *ambient = rw::Light::create(rw::Light::AMBIENT);
+	ambient->setColor(0.2f, 0.2f, 0.2f);
+	Scene.world->addLight(ambient);
+
+	rw::V3d xaxis = { 1.0f, 0.0f, 0.0f };
+	rw::Light *direct = rw::Light::create(rw::Light::DIRECTIONAL);
+	direct->setColor(0.8f, 0.8f, 0.8f);
+	direct->setFrame(rw::Frame::create());
+	direct->getFrame()->rotate(&xaxis, 180.0f, rw::COMBINEREPLACE);
+	Scene.world->addLight(direct);
+
+	Scene.camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	Scene.world->addCamera(Scene.camera);
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	return true;
+}
+
+void
+Draw(float timeDelta)
+{
+	static bool show_demo_window = true;
+	static bool show_another_window = false;
+	static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
+
+	rw::RGBA clearcol = rw::makeRGBA(clear_color.x*255, clear_color.y*255, clear_color.z*255, clear_color.w*255);
+	Scene.camera->clear(&clearcol, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+	Scene.camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(timeDelta);
+
+	// 1. Show a simple window.
+	// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug".
+	{
+		static float f = 0.0f;
+		ImGui::Text("Hello, world!");                           // Some text (you can use a format string too)
+		ImGui::SliderFloat("float", &f, 0.0f, 1.0f);            // Edit 1 float as a slider from 0.0f to 1.0f
+		ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats as a color
+		if(ImGui::Button("Demo Window"))                       // Use buttons to toggle our bools. We could use Checkbox() as well.
+			show_demo_window ^= 1;
+		if(ImGui::Button("Another Window"))
+			show_another_window ^= 1;
+		ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
+	}
+
+        // 2. Show another simple window. In most cases you will use an explicit Begin/End pair to name the window.
+	if(show_another_window){
+		ImGui::Begin("Another Window", &show_another_window);
+		ImGui::Text("Hello from another window!");
+		ImGui::End();
+	}
+
+        // 3. Show the ImGui demo window. Most of the sample code is in ImGui::ShowDemoWindow().
+	if(show_demo_window){
+		ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver); // Normally user code doesn't need/want to call this because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
+		ImGui::ShowDemoWindow(&show_demo_window);
+	}
+
+
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	ImGui_ImplRW_RenderDrawLists(ImGui::GetDrawData());
+
+	Scene.camera->endUpdate();
+	Scene.camera->showRaster(0);
+}
+
+
+void
+KeyUp(int key)
+{
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+
+	ImGuiEventHandler(e, param);
+
+	switch(e){
+	case INITIALIZE:
+		Init();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return ::InitRW() ? EVENTPROCESSED : EVENTERROR;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		// TODO: set aspect ratio
+		if(Scene.camera)
+			sk::CameraSize(Scene.camera, r);
+		break;
+	case IDLE:
+		Draw(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}
diff --git a/tools/lights/CMakeLists.txt b/tools/lights/CMakeLists.txt
new file mode 100644
index 0000000..c51a2e3
--- /dev/null
+++ b/tools/lights/CMakeLists.txt
@@ -0,0 +1,18 @@
+add_executable(lights WIN32
+    main.cpp
+    lights.cpp
+)
+
+target_link_libraries(lights
+    PRIVATE
+        librw::skeleton
+        librw::librw
+)
+
+add_custom_command(
+    TARGET lights POST_BUILD
+    COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:lights>/files"
+    COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${CMAKE_CURRENT_SOURCE_DIR}/checker.dff" "$<TARGET_FILE_DIR:lights>"
+)
+
+librw_platform_target(lights)
diff --git a/tools/lights/checker.dff b/tools/lights/checker.dff
new file mode 100644
index 0000000..f955e8c
--- /dev/null
+++ b/tools/lights/checker.dff
diff --git a/tools/lights/lights.cpp b/tools/lights/lights.cpp
new file mode 100644
index 0000000..345df9f
--- /dev/null
+++ b/tools/lights/lights.cpp
@@ -0,0 +1,463 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "main.h"
+
+rw::Light *BaseAmbientLight;
+bool BaseAmbientLightOn;
+
+rw::Light *CurrentLight;
+rw::Light *AmbientLight;
+rw::Light *PointLight;
+rw::Light *DirectLight;
+rw::Light *SpotLight;
+rw::Light *SpotSoftLight;
+
+float LightRadius = 100.0f;
+float LightConeAngle = 45.0f;
+rw::RGBAf LightColor = { 1.0f, 1.0f, 1.0f, 1.0f };
+
+rw::RGBA LightSolidColor = { 255, 255, 0, 255 };
+bool LightOn = true;
+bool LightDrawOn = true;
+rw::V3d LightPos = {0.0f, 0.0f, 75.0f};
+rw::int32 LightTypeIndex = 1;
+
+rw::BBox RoomBBox;
+
+rw::Light*
+CreateBaseAmbientLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::AMBIENT);
+	assert(light);
+	light->setColor(0.5f, 0.5f, 0.5f);
+	return light;
+}
+
+rw::Light*
+CreateAmbientLight(void)
+{
+	return rw::Light::create(rw::Light::AMBIENT);
+}
+
+rw::Light*
+CreateDirectLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::DIRECTIONAL);
+	assert(light);
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	frame->rotate(&Xaxis, 45.0f, rw::COMBINEREPLACE);
+	rw::V3d pos = LightPos;
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+	light->setFrame(frame);
+	return light;
+}
+
+rw::Light*
+CreatePointLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::POINT);
+	assert(light);
+	light->radius = LightRadius;
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	rw::V3d pos = LightPos;
+	frame->translate(&pos, rw::COMBINEREPLACE);
+	light->setFrame(frame);
+	return light;
+}
+
+rw::Light*
+CreateSpotLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::SPOT);
+	assert(light);
+	light->radius = LightRadius;
+	light->setAngle(LightConeAngle/180.0f*M_PI);
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	frame->rotate(&Xaxis, 45.0f, rw::COMBINEREPLACE);
+	rw::V3d pos = LightPos;
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+	light->setFrame(frame);
+	return light;
+}
+
+rw::Light*
+CreateSpotSoftLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::SOFTSPOT);
+	assert(light);
+	light->radius = LightRadius;
+	light->setAngle(LightConeAngle/180.0f*M_PI);
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	frame->rotate(&Xaxis, 45.0f, rw::COMBINEREPLACE);
+	rw::V3d pos = LightPos;
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+	light->setFrame(frame);
+	return light;
+}
+
+void
+DestroyLight(rw::Light **light)
+{
+	if(*light == nil)
+		return;
+	rw::World *world = (*light)->world;
+	if(world)
+		world->removeLight(*light);
+	rw::Frame *frame = (*light)->getFrame();
+	if(frame){
+		(*light)->setFrame(nil);
+		frame->destroy();
+	}
+
+	(*light)->destroy();
+	*light = nil;
+}
+
+void
+LightsDestroy(void)
+{
+	DestroyLight(&SpotSoftLight);
+	DestroyLight(&SpotLight);
+	DestroyLight(&PointLight);
+	DestroyLight(&DirectLight);
+	DestroyLight(&AmbientLight);
+	DestroyLight(&BaseAmbientLight);
+}
+
+void
+LightsUpdate(void)
+{
+	static rw::int32 oldLightTypeIndex = -1;
+
+	// Switch to a different light
+	if((LightOn && oldLightTypeIndex != LightTypeIndex) || CurrentLight == nil){
+		oldLightTypeIndex = LightTypeIndex;
+
+		// remove first
+		if(CurrentLight)
+			CurrentLight->world->removeLight(CurrentLight);
+
+		switch(LightTypeIndex){
+		case 0: CurrentLight = AmbientLight; break;
+		case 1: CurrentLight = PointLight; break;
+		case 2: CurrentLight = DirectLight; break;
+		case 3: CurrentLight = SpotLight; break;
+		case 4: CurrentLight = SpotSoftLight; break;
+		}
+		World->addLight(CurrentLight);
+	}
+
+	if(CurrentLight){
+		CurrentLight->setColor(LightColor.red, LightColor.green, LightColor.blue);
+		CurrentLight->radius = LightRadius;
+		CurrentLight->setAngle(LightConeAngle / 180.0f * M_PI);
+	}
+
+	// Remove light from world if not used
+	if(!LightOn && CurrentLight){
+		CurrentLight->world->removeLight(CurrentLight);
+		CurrentLight = nil;
+	}
+}
+
+#define POINT_LIGHT_RADIUS_FACTOR 0.05f
+
+void
+DrawPointLight(void)
+{
+	enum { NUMVERTS = 50 };
+	rw::RWDEVICE::Im3DVertex shape[NUMVERTS];
+	rw::int32 i;
+	rw::V3d point;
+
+	rw::V3d *pos = &CurrentLight->getFrame()->getLTM()->pos;
+	for(i = 0; i < NUMVERTS; i++){
+		point.x = pos->x +
+			cosf(i/(NUMVERTS/2.0f) * M_PI) * LightRadius * POINT_LIGHT_RADIUS_FACTOR;
+		point.y = pos->y +
+			sinf(i/(NUMVERTS/2.0f) * M_PI) * LightRadius * POINT_LIGHT_RADIUS_FACTOR;
+		point.z = pos->z;
+
+		shape[i].setColor(LightSolidColor.red, LightSolidColor.green,
+			LightSolidColor.blue, LightSolidColor.alpha);
+		shape[i].setX(point.x);
+		shape[i].setY(point.y);
+		shape[i].setZ(point.z);
+	}
+
+	rw::im3d::Transform(shape, NUMVERTS, nil, rw::im3d::ALLOPAQUE);
+	rw::im3d::RenderPrimitive(rw::PRIMTYPEPOLYLINE);
+	rw::im3d::RenderLine(NUMVERTS-1, 0);
+	rw::im3d::End();
+}
+
+void
+DrawCone(float coneAngle, float coneSize, float coneRatio)
+{
+	enum { NUMVERTS = 10 };
+	rw::RWDEVICE::Im3DVertex shape[NUMVERTS+1];
+	rw::int16 indices[NUMVERTS*3];
+	rw::int32 i;
+
+	rw::Matrix *matrix = CurrentLight->getFrame()->getLTM();
+	rw::V3d *pos = &matrix->pos;
+
+	// cone
+	for(i = 1; i < NUMVERTS+1; i++){
+		float cosValue = cosf(i/(NUMVERTS/2.0f) * M_PI) *
+			sinf(coneAngle/180.0f*M_PI);
+		float sinValue = sinf(i/(NUMVERTS/2.0f) * M_PI) *
+			sinf(coneAngle/180.0f*M_PI);
+
+		float coneAngleD = cosf(coneAngle/180.0f*M_PI);
+
+		rw::V3d up = rw::scale(matrix->up, sinValue*coneSize);
+		rw::V3d right = rw::scale(matrix->right, cosValue*coneSize);
+		rw::V3d at = rw::scale(matrix->at, coneAngleD*coneSize*coneRatio);
+
+		shape[i].setX(pos->x + at.x + up.x + right.x);
+		shape[i].setY(pos->y + at.y + up.y + right.y);
+		shape[i].setZ(pos->z + at.z + up.z + right.z);
+	}
+
+	for(i = 0; i < NUMVERTS; i++){
+		indices[i*3 + 0] = 0;
+		indices[i*3 + 1] = i+2;
+		indices[i*3 + 2] = i+1;
+	}
+	indices[NUMVERTS*3-2] = 1;
+
+	for(i = 0; i < NUMVERTS+1; i++)
+		shape[i].setColor(LightSolidColor.red, LightSolidColor.green,
+			LightSolidColor.blue, 128);
+
+	shape[0].setX(pos->x);
+	shape[0].setY(pos->y);
+	shape[0].setZ(pos->z);
+
+	rw::SetRenderState(rw::VERTEXALPHA, 1);
+	rw::SetRenderState(rw::SRCBLEND, rw::BLENDSRCALPHA);
+	rw::SetRenderState(rw::DESTBLEND, rw::BLENDINVSRCALPHA);
+
+	rw::im3d::Transform(shape, NUMVERTS+1, nil, 0);
+	rw::im3d::RenderPrimitive(rw::PRIMTYPETRIFAN);
+	rw::im3d::RenderTriangle(0, NUMVERTS, 1);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, indices, NUMVERTS*3);
+	rw::im3d::End();
+
+
+	for(i = 0; i < NUMVERTS+1; i++)
+		shape[i].setColor(LightSolidColor.red, LightSolidColor.green,
+			LightSolidColor.blue, 255);
+
+	float coneAngleD = cosf(coneAngle/180.0f*M_PI);
+	rw::V3d at = rw::scale(matrix->at, coneAngleD*coneSize*coneRatio);
+	shape[0].setX(pos->x + at.x);
+	shape[0].setY(pos->y + at.y);
+	shape[0].setZ(pos->z + at.z);
+
+	rw::im3d::Transform(shape, NUMVERTS+1, nil, rw::im3d::ALLOPAQUE);
+	if(coneRatio > 0.0f){
+		rw::im3d::RenderPrimitive(rw::PRIMTYPETRIFAN);
+		rw::im3d::RenderTriangle(0, NUMVERTS, 1);
+	}else
+		rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRIFAN, indices, NUMVERTS*3);
+	rw::im3d::End();
+
+
+	// lines
+	at = rw::scale(matrix->at, -0.05f);
+	shape[0].setX(pos->x + at.x);
+	shape[0].setY(pos->y + at.y);
+	shape[0].setZ(pos->z + at.z);
+	rw::im3d::Transform(shape, NUMVERTS+1, nil, rw::im3d::ALLOPAQUE);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPEPOLYLINE, indices, NUMVERTS*3);
+	rw::im3d::End();
+}
+
+void
+DrawDirectLight(void)
+{
+	enum { NUMVERTS = 20 };
+	const float DIAMETER = 1.5f;
+	const float CONE_ANGLE = 45.0f;
+	const float CONE_SIZE = 3.0f;
+	const float LENGTH = 5.0f;
+	rw::RWDEVICE::Im3DVertex shape[NUMVERTS*2+1];
+	rw::int16 indices[NUMVERTS*3];
+	rw::int32 i;
+
+	rw::Matrix *matrix = CurrentLight->getFrame()->getLTM();
+	rw::V3d *pos = &matrix->pos;
+
+	// cylinder
+	for(i = 0; i < NUMVERTS*2; i += 2){
+		float cosValue = cosf(i/(NUMVERTS/2.0f) * M_PI);
+		float sinValue = sinf(i/(NUMVERTS/2.0f) * M_PI);
+
+		rw::V3d up = rw::scale(matrix->up, sinValue*DIAMETER);
+		rw::V3d right = rw::scale(matrix->right, cosValue*DIAMETER);
+		rw::V3d at = rw::scale(matrix->at, -(CONE_SIZE + 1.0f));
+
+		shape[i].setX(pos->x + at.x + up.x + right.x);
+		shape[i].setY(pos->y + at.y + up.y + right.y);
+		shape[i].setZ(pos->z + at.z + up.z + right.z);
+
+
+		at = rw::scale(matrix->at, -(LENGTH + CONE_SIZE));
+
+		shape[i+1].setX(pos->x + at.x + up.x + right.x);
+		shape[i+1].setY(pos->y + at.y + up.y + right.y);
+		shape[i+1].setZ(pos->z + at.z + up.z + right.z);
+	}
+
+	for(i = 0; i < NUMVERTS*2+1; i++)
+		shape[i].setColor(LightSolidColor.red, LightSolidColor.green,
+			LightSolidColor.blue, 128);
+
+	rw::SetRenderState(rw::VERTEXALPHA, 1);
+	rw::SetRenderState(rw::SRCBLEND, rw::BLENDSRCALPHA);
+	rw::SetRenderState(rw::DESTBLEND, rw::BLENDINVSRCALPHA);
+
+	rw::im3d::Transform(shape, NUMVERTS*2, nil, 0);
+	rw::im3d::RenderPrimitive(rw::PRIMTYPETRISTRIP);
+	rw::im3d::RenderTriangle(2*NUMVERTS-2, 2*NUMVERTS-1, 0);
+	rw::im3d::RenderTriangle(2*NUMVERTS-1, 1, 0);
+	rw::im3d::End();
+
+
+	// bottom cap
+	for(i = 0; i < NUMVERTS*2+1; i++)
+		shape[i].setColor(LightSolidColor.red, LightSolidColor.green,
+			LightSolidColor.blue, 255);
+
+	rw::V3d at = rw::scale(matrix->at, -(LENGTH + CONE_SIZE));
+	shape[NUMVERTS*2].setX(pos->x + at.x);
+	shape[NUMVERTS*2].setY(pos->y + at.y);
+	shape[NUMVERTS*2].setZ(pos->z + at.z);
+
+	for(i = 0; i < NUMVERTS; i++){
+		indices[i*3+0] = NUMVERTS*2;
+		indices[i*3+1] = (i+1)*2 + 1;
+		indices[i*3+2] = i*2 + 1;
+	}
+	indices[NUMVERTS*3-2] = 1;
+
+	rw::im3d::Transform(shape, NUMVERTS*2+1, nil, rw::im3d::ALLOPAQUE);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, indices, NUMVERTS*3);
+	rw::im3d::End();
+
+
+	// top cap
+	at = rw::scale(matrix->at, -(CONE_SIZE + 1.0f));
+	shape[NUMVERTS*2].setX(pos->x + at.x);
+	shape[NUMVERTS*2].setY(pos->y + at.y);
+	shape[NUMVERTS*2].setZ(pos->z + at.z);
+
+	for(i = 0; i < NUMVERTS; i++){
+		indices[i*3+0] = NUMVERTS*2;
+		indices[i*3+1] = i*2;
+		indices[i*3+2] = (i+1)*2;
+	}
+
+	rw::im3d::Transform(shape, NUMVERTS*2+1, nil, rw::im3d::ALLOPAQUE);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, indices, NUMVERTS*3);
+	rw::im3d::End();
+
+
+	// cone
+	DrawCone(CONE_ANGLE, CONE_SIZE, -2.0f);
+}
+
+void
+DrawCurrentLight(void)
+{
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::CULLMODE, rw::CULLBACK);
+	rw::SetRenderState(rw::ZTESTENABLE, 1);
+
+	switch(LightTypeIndex){
+	case 1: DrawPointLight(); break;
+	case 2: DrawDirectLight(); break;
+	case 3:
+	case 4: DrawCone(LightConeAngle, LightRadius*POINT_LIGHT_RADIUS_FACTOR, 1.0f); break;
+	}
+}
+
+
+
+void
+LightRotate(float xAngle, float yAngle)
+{
+	if(CurrentLight == nil || CurrentLight == AmbientLight || CurrentLight == PointLight)
+		return;
+
+	rw::Matrix *cameraMatrix = &Camera->getFrame()->matrix;
+	rw::Frame *lightFrame = CurrentLight->getFrame();
+	rw::V3d pos = lightFrame->matrix.pos;
+
+	pos = rw::scale(pos, -1.0f);
+	lightFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	lightFrame->rotate(&cameraMatrix->up, xAngle, rw::COMBINEPOSTCONCAT);
+	lightFrame->rotate(&cameraMatrix->right, yAngle, rw::COMBINEPOSTCONCAT);
+
+	pos = rw::scale(pos, -1.0f);
+	lightFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+}
+
+void
+ClampPosition(rw::V3d *pos, rw::V3d *delta, rw::BBox *bbox)
+{
+	if(pos->x + delta->x < bbox->inf.x)
+		delta->x = bbox->inf.x - pos->x;
+	else if(pos->x + delta->x > bbox->sup.x)
+		delta->x = bbox->sup.x - pos->x;
+
+	if(pos->y + delta->y < bbox->inf.y)
+		delta->y = bbox->inf.y - pos->y;
+	else if(pos->y + delta->y > bbox->sup.y)
+		delta->y = bbox->sup.y - pos->y;
+
+	if(pos->z + delta->z < bbox->inf.z)
+		delta->z = bbox->inf.z - pos->z;
+	else if(pos->z + delta->z > bbox->sup.z)
+		delta->z = bbox->sup.z - pos->z;
+}
+
+void
+LightTranslateXY(float xDelta, float yDelta)
+{
+	if(CurrentLight == nil || CurrentLight == AmbientLight || CurrentLight == DirectLight)
+		return;
+
+	rw::Matrix *cameraMatrix = &Camera->getFrame()->matrix;
+	rw::Frame *lightFrame = CurrentLight->getFrame();
+	rw::V3d right = rw::scale(cameraMatrix->right, xDelta);
+	rw::V3d up = rw::scale(cameraMatrix->up, yDelta);
+	rw::V3d delta = rw::add(right, up);
+
+	ClampPosition(&lightFrame->matrix.pos, &delta, &RoomBBox);
+
+	lightFrame->translate(&delta, rw::COMBINEPOSTCONCAT);
+}
+
+void
+LightTranslateZ(float zDelta)
+{
+	if(CurrentLight == nil || CurrentLight == AmbientLight || CurrentLight == DirectLight)
+		return;
+
+	rw::Matrix *cameraMatrix = &Camera->getFrame()->matrix;
+	rw::Frame *lightFrame = CurrentLight->getFrame();
+	rw::V3d delta = rw::scale(cameraMatrix->at, zDelta);
+
+	ClampPosition(&lightFrame->matrix.pos, &delta, &RoomBBox);
+
+	lightFrame->translate(&delta, rw::COMBINEPOSTCONCAT);
+}
diff --git a/tools/lights/lights.h b/tools/lights/lights.h
new file mode 100644
index 0000000..5400a61
--- /dev/null
+++ b/tools/lights/lights.h
@@ -0,0 +1,37 @@
+
+
+extern rw::Light *BaseAmbientLight;
+extern bool BaseAmbientLightOn;
+
+extern rw::Light *CurrentLight;
+extern rw::Light *AmbientLight;
+extern rw::Light *PointLight;
+extern rw::Light *DirectLight;
+extern rw::Light *SpotLight;
+extern rw::Light *SpotSoftLight;
+
+extern float LightRadius;
+extern float LightConeAngle;
+extern rw::RGBAf LightColor;
+
+extern bool LightOn;
+extern bool LightDrawOn;
+extern rw::V3d LightPos;
+extern rw::int32 LightTypeIndex;
+
+extern rw::BBox RoomBBox;
+
+rw::Light *CreateBaseAmbientLight(void);
+rw::Light *CreateAmbientLight(void);
+rw::Light *CreateDirectLight(void);
+rw::Light *CreatePointLight(void);
+rw::Light *CreateSpotLight(void);
+rw::Light *CreateSpotSoftLight(void);
+
+void LightsDestroy(void);
+void LightsUpdate(void);
+void DrawCurrentLight(void);
+
+void LightRotate(float xAngle, float yAngle);
+void LightTranslateXY(float xDelta, float yDelta);
+void LightTranslateZ(float zDelta);
diff --git a/tools/lights/main.cpp b/tools/lights/main.cpp
new file mode 100644
index 0000000..3589d05
--- /dev/null
+++ b/tools/lights/main.cpp
@@ -0,0 +1,396 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+#include "main.h"
+#include "lights.h"
+
+rw::V3d zero = { 0.0f, 0.0f, 0.0f };
+rw::EngineOpenParams engineOpenParams;
+float FOV = 70.0f;
+
+rw::RGBA ForegroundColor = { 200, 200, 200, 255 };
+rw::RGBA BackgroundColor = { 64, 64, 64, 0 };
+
+rw::World *World;
+rw::Camera *Camera;
+
+rw::V3d Xaxis = { 1.0f, 0.0, 0.0f };
+rw::V3d Yaxis = { 0.0f, 1.0, 0.0f };
+rw::V3d Zaxis = { 0.0f, 0.0, 1.0f };
+
+rw::World*
+CreateWorld(void)
+{
+	rw::BBox bb;
+
+	bb.inf.x = bb.inf.y = bb.inf.z = -100.0f;
+	bb.sup.x = bb.sup.y = bb.sup.z = 100.0f;
+
+	return rw::World::create(&bb);
+}
+
+rw::Camera*
+CreateCamera(rw::World *world)
+{
+	rw::Camera *camera;
+	camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	assert(camera);
+	camera->setNearPlane(0.1f);
+	camera->setFarPlane(300.0f);
+	camera->setFOV(FOV, (float)sk::globals.width/sk::globals.height);
+	world->addCamera(camera);
+	return camera;
+}
+
+bool
+CreateTestScene(rw::World *world)
+{
+	rw::Clump *clump;
+	rw::StreamFile in;
+	const char *filename = "checker.dff";
+	if(in.open(filename, "rb") == NULL){
+		printf("couldn't open file\n");
+		return false;
+	}
+	if(!rw::findChunk(&in, rw::ID_CLUMP, NULL, NULL))
+		return false;
+	clump = rw::Clump::streamRead(&in);
+	in.close();
+	if(clump == nil)
+		return false;
+
+	rw::Clump *clone;
+	rw::Frame *clumpFrame;
+	rw::V3d pos;
+	float zOffset = 75.0f;
+
+	// Bottom panel
+	clumpFrame = clump->getFrame();
+	clumpFrame->rotate(&Xaxis, 90.0f, rw::COMBINEREPLACE);
+
+	pos.x = 0.0f;
+	pos.y = -25.0f;
+	pos.z = zOffset;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// only need to add once
+	world->addClump(clump);
+
+	// Top panel
+	clone = clump->clone();
+	clumpFrame = clone->getFrame();
+	clumpFrame->rotate(&Xaxis, -90.0f, rw::COMBINEREPLACE);
+
+	pos.x = 0.0f;
+	pos.y = 25.0f;
+	pos.z = zOffset;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// Left panel
+	clone = clump->clone();
+	clumpFrame = clone->getFrame();
+	clumpFrame->rotate(&Xaxis, 0.0f, rw::COMBINEREPLACE);
+	clumpFrame->rotate(&Yaxis, 90.0f, rw::COMBINEPOSTCONCAT);
+
+	pos.x = 25.0f;
+	pos.y = 0.0f;
+	pos.z = zOffset;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// Right panel
+	clone = clump->clone();
+	clumpFrame = clone->getFrame();
+	clumpFrame->rotate(&Xaxis, 0.0f, rw::COMBINEREPLACE);
+	clumpFrame->rotate(&Yaxis, -90.0f, rw::COMBINEPOSTCONCAT);
+
+	pos.x = -25.0f;
+	pos.y = 0.0f;
+	pos.z = zOffset;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// Back panel
+	clone = clump->clone();
+	clumpFrame = clone->getFrame();
+	clumpFrame->rotate(&Xaxis, 0.0f, rw::COMBINEREPLACE);
+
+	pos.x = 0.0f;
+	pos.y = 0.0f;
+	pos.z = zOffset + 25.0f;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// BBox
+	pos.x = 25.0f;
+	pos.y = 25.0f;
+	pos.z = zOffset - 25.0f;
+	RoomBBox.initialize(&pos);
+	pos.x = -25.0f;
+	pos.y = -25.0f;
+	pos.z = zOffset + 25.0f;
+	RoomBBox.addPoint(&pos);
+
+	return 1;
+}
+
+void
+Initialize(void)
+{
+	sk::globals.windowtitle = "Lights example";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+Initialize3D(void)
+{
+	if(!sk::InitRW())
+		return false;
+
+	World = CreateWorld();
+
+	BaseAmbientLight = CreateBaseAmbientLight();
+	AmbientLight = CreateAmbientLight();
+	DirectLight = CreateDirectLight();
+	PointLight = CreatePointLight();
+	SpotLight = CreateSpotLight();
+	SpotSoftLight = CreateSpotSoftLight();
+
+	Camera = CreateCamera(World);
+
+	CreateTestScene(World);
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	return true;
+}
+
+void
+Terminate3D(void)
+{
+	FORLIST(lnk, World->clumps){
+		rw::Clump *clump = rw::Clump::fromWorld(lnk);
+		World->removeClump(clump);
+		clump->destroy();
+	}
+
+	if(Camera){
+		World->removeCamera(Camera);
+		sk::CameraDestroy(Camera);
+		Camera = nil;
+	}
+
+	LightsDestroy();
+
+	if(World){
+		World->destroy();
+		World = nil;
+	}
+
+	sk::TerminateRW();
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+void
+Gui(void)
+{
+//	ImGui::ShowDemoWindow(nil);
+
+	static bool showLightWindow = true;
+	ImGui::Begin("Lights", &showLightWindow);
+
+	ImGui::Checkbox("Light", &LightOn);
+	ImGui::Checkbox("Draw Light", &LightDrawOn);
+	if(ImGui::Checkbox("Base Ambient", &BaseAmbientLightOn)){
+		if(BaseAmbientLightOn){
+			if(BaseAmbientLight->world == nil)
+				World->addLight(BaseAmbientLight);
+		}else{
+			if(BaseAmbientLight->world)
+				World->removeLight(BaseAmbientLight);
+		}
+	}
+
+	ImGui::RadioButton("Ambient Light", &LightTypeIndex, 0);
+	ImGui::RadioButton("Point Light", &LightTypeIndex, 1);
+	ImGui::RadioButton("Directional Light", &LightTypeIndex, 2);
+	ImGui::RadioButton("Spot Light", &LightTypeIndex, 3);
+	ImGui::RadioButton("Soft Spot Light", &LightTypeIndex, 4);
+
+	ImGui::ColorEdit3("Color", (float*)&LightColor);
+	float radAngle = LightConeAngle/180.0f*M_PI;
+	ImGui::SliderAngle("Cone angle", &radAngle, 0.0f, 180.0f);
+	LightConeAngle = radAngle/M_PI*180.0f;
+	ImGui::SliderFloat("Radius", &LightRadius, 0.1f, 500.0f);
+
+	ImGui::End();
+}
+
+void
+Render(float timeDelta)
+{
+	Camera->clear(&BackgroundColor, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+	Camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(timeDelta);
+
+	World->render();
+
+	if(LightDrawOn && CurrentLight)
+		DrawCurrentLight();
+
+	Gui();
+
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	ImGui_ImplRW_RenderDrawLists(ImGui::GetDrawData());
+	
+	Camera->endUpdate();
+	Camera->showRaster(0);
+}
+
+void
+Idle(float timeDelta)
+{
+	LightsUpdate();
+
+	Render(timeDelta);
+}
+
+int MouseX, MouseY;
+int MouseDeltaX, MouseDeltaY;
+int MouseButtons;
+
+int CtrlDown;
+
+bool RotateLight;
+bool TranslateLightXY;
+bool TranslateLightZ;
+
+void
+KeyUp(int key)
+{
+	switch(key){
+	case sk::KEY_LCTRL:
+	case sk::KEY_RCTRL:
+		CtrlDown = 0;
+		break;
+	}
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_LCTRL:
+	case sk::KEY_RCTRL:
+		CtrlDown = 1;
+		break;
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+void
+MouseBtn(sk::MouseState *mouse)
+{
+	MouseButtons = mouse->buttons;
+	RotateLight = !CtrlDown && !!(MouseButtons&1);
+	TranslateLightXY = CtrlDown && !!(MouseButtons&1);
+	TranslateLightZ = CtrlDown && !!(MouseButtons&4);
+}
+
+void
+MouseMove(sk::MouseState *mouse)
+{
+	MouseDeltaX = mouse->posx - MouseX;
+	MouseDeltaY = mouse->posy - MouseY;
+	MouseX = mouse->posx;
+	MouseY = mouse->posy;
+
+	if(RotateLight)
+		LightRotate(-MouseDeltaX, MouseDeltaY);
+	if(TranslateLightXY)
+		LightTranslateXY(-MouseDeltaX*0.1f, -MouseDeltaY*0.1f);
+	if(TranslateLightZ)
+		LightTranslateZ(-MouseDeltaY*0.1f);
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+	MouseState *ms;
+
+	ImGuiEventHandler(e, param);
+	ImGuiIO &io = ImGui::GetIO();
+
+	switch(e){
+	case INITIALIZE:
+		Initialize();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return Initialize3D() ? EVENTPROCESSED : EVENTERROR;
+	case RWTERMINATE:
+		Terminate3D();
+		return EVENTPROCESSED;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case MOUSEBTN:
+		if(!io.WantCaptureMouse){
+			ms = (MouseState*)param;
+			MouseBtn(ms);
+		}else
+			MouseButtons = 0;
+		return EVENTPROCESSED;
+	case MOUSEMOVE:
+		MouseMove((MouseState*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		if(::Camera){
+			sk::CameraSize(::Camera, r);
+			::Camera->setFOV(FOV, (float)sk::globals.width/sk::globals.height);
+		}
+		break;
+	case IDLE:
+		Idle(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}
diff --git a/tools/lights/main.h b/tools/lights/main.h
new file mode 100644
index 0000000..6358f2d
--- /dev/null
+++ b/tools/lights/main.h
@@ -0,0 +1,7 @@
+
+extern rw::World *World;
+extern rw::Camera *Camera;
+
+extern rw::V3d Xaxis;
+extern rw::V3d Yaxis;
+extern rw::V3d Zaxis;
diff --git a/tools/playground/CMakeLists.txt b/tools/playground/CMakeLists.txt
new file mode 100644
index 0000000..120f7bc
--- /dev/null
+++ b/tools/playground/CMakeLists.txt
@@ -0,0 +1,22 @@
+add_executable(playground WIN32
+    camera.cpp
+    font.cpp
+    main.cpp
+    ras_test.cpp
+    splines.cpp
+    tl_tests.cpp
+)
+
+target_link_libraries(playground
+    PRIVATE
+        librw::skeleton
+        librw::librw
+)
+
+add_custom_command(
+    TARGET playground POST_BUILD
+    COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:playground>/files"
+    COMMAND "${CMAKE_COMMAND}" -E copy_directory  "${CMAKE_CURRENT_SOURCE_DIR}/files" "$<TARGET_FILE_DIR:playground>/files"
+)
+
+librw_platform_target(playground)
diff --git a/tools/playground/camera.cpp b/tools/playground/camera.cpp
new file mode 100644
index 0000000..cf45f5f
--- /dev/null
+++ b/tools/playground/camera.cpp
@@ -0,0 +1,134 @@
+#include <cstdio>
+#include <cassert>
+
+#include <rw.h>
+
+#define PI 3.14159265359f
+#include "camera.h"
+
+using rw::Quat;
+using rw::V3d;
+
+void
+Camera::update(void)
+{
+	if(m_rwcam){
+		m_rwcam->setNearPlane(m_near);
+		m_rwcam->setFarPlane(m_far);
+		m_rwcam->setFOV(m_fov, m_aspectRatio);
+
+		rw::Frame *f = m_rwcam->getFrame();
+		if(f){
+			V3d forward = normalize(sub(m_target, m_position));
+			V3d left = normalize(cross(m_up, forward));
+			V3d nup = cross(forward, left);
+			f->matrix.right = left; // lol
+			f->matrix.up = nup;
+			f->matrix.at = forward;
+			f->matrix.pos = m_position;
+			f->matrix.optimize();
+			f->updateObjects();
+		}
+	}
+}
+
+void
+Camera::setTarget(V3d target)
+{
+	m_position = sub(m_position, sub(m_target, target));
+	m_target = target;
+}
+
+float
+Camera::getHeading(void)
+{
+	V3d dir = sub(m_target, m_position);
+	float a = atan2(dir.y, dir.x)-PI/2.0f;
+	return m_localup.z < 0.0f ? a-PI : a;
+}
+
+void
+Camera::turn(float yaw, float pitch)
+{
+	V3d dir = sub(m_target, m_position);
+	Quat r = Quat::rotation(yaw, rw::makeV3d(0.0f, 0.0f, 1.0f));
+	dir = rotate(dir, r);
+	m_localup = rotate(m_localup, r);
+
+	V3d right = normalize(cross(dir, m_localup));
+	r = Quat::rotation(pitch, right);
+	dir = rotate(dir, r);
+	m_localup = normalize(cross(right, dir));
+	if(m_localup.z >= 0.0) m_up.z = 1.0;
+	else m_up.z = -1.0f;
+
+	m_target = add(m_position, dir);
+}
+
+void
+Camera::orbit(float yaw, float pitch)
+{
+	V3d dir = sub(m_target, m_position);
+	Quat r = Quat::rotation(yaw, rw::makeV3d(0.0f, 0.0f, 1.0f));
+	dir = rotate(dir, r);
+	m_localup = rotate(m_localup, r);
+
+	V3d right = normalize(cross(dir, m_localup));
+	r = Quat::rotation(-pitch, right);
+	dir = rotate(dir, r);
+	m_localup = normalize(cross(right, dir));
+	if(m_localup.z >= 0.0) m_up.z = 1.0;
+	else m_up.z = -1.0f;
+
+	m_position = sub(m_target, dir);
+}
+
+void
+Camera::dolly(float dist)
+{
+	V3d dir = setlength(sub(m_target, m_position), dist);
+	m_position = add(m_position, dir);
+	m_target = add(m_target, dir);
+}
+
+void
+Camera::zoom(float dist)
+{
+	V3d dir = sub(m_target, m_position);
+	float curdist = length(dir);
+	if(dist >= curdist)
+		dist = curdist-0.01f;
+	dir = setlength(dir, dist);
+	m_position = add(m_position, dir);
+}
+
+void
+Camera::pan(float x, float y)
+{
+	V3d dir = normalize(sub(m_target, m_position));
+	V3d right = normalize(cross(dir, m_up));
+	V3d localup = normalize(cross(right, dir));
+	dir = add(scale(right, x), scale(localup, y));
+	m_position = add(m_position, dir);
+	m_target = add(m_target, dir);
+}
+
+float
+Camera::distanceTo(V3d v)
+{
+	return length(sub(m_position, v));
+}
+
+Camera::Camera()
+{
+	m_position.set(0.0f, 6.0f, 0.0f);
+	m_target.set(0.0f, 0.0f, 0.0f);
+	m_up.set(0.0f, 0.0f, 1.0f);
+	m_localup = m_up;
+	m_fov = 70.0f;
+	m_aspectRatio = 1.0f;
+	m_near = 0.1f;
+	m_far = 100.0f;
+	m_rwcam = NULL;
+}
+
diff --git a/tools/playground/camera.h b/tools/playground/camera.h
new file mode 100644
index 0000000..8a0315d
--- /dev/null
+++ b/tools/playground/camera.h
@@ -0,0 +1,26 @@
+class Camera
+{
+public:
+	rw::Camera *m_rwcam;
+	rw::V3d m_position;
+	rw::V3d m_target;
+	rw::V3d m_up;
+	rw::V3d m_localup;
+
+	float m_fov, m_aspectRatio;
+	float m_near, m_far;
+
+
+	void setTarget(rw::V3d target);
+	float getHeading(void);
+
+	void turn(float yaw, float pitch);
+	void orbit(float yaw, float pitch);
+	void dolly(float dist);
+	void zoom(float dist);
+	void pan(float x, float y);
+
+	void update(void);
+	float distanceTo(rw::V3d v);
+	Camera(void);
+};
diff --git a/tools/playground/files/Bm437_IBM_BIOS.FON b/tools/playground/files/Bm437_IBM_BIOS.FON
new file mode 100644
index 0000000..be2443f
--- /dev/null
+++ b/tools/playground/files/Bm437_IBM_BIOS.FON
diff --git a/tools/playground/files/Bm437_IBM_BIOS.tga b/tools/playground/files/Bm437_IBM_BIOS.tga
new file mode 100644
index 0000000..50034b4
--- /dev/null
+++ b/tools/playground/files/Bm437_IBM_BIOS.tga
diff --git a/tools/playground/files/Bm437_IBM_VGA8.FON b/tools/playground/files/Bm437_IBM_VGA8.FON
new file mode 100644
index 0000000..6ffa09a
--- /dev/null
+++ b/tools/playground/files/Bm437_IBM_VGA8.FON
diff --git a/tools/playground/files/Bm437_IBM_VGA8.tga b/tools/playground/files/Bm437_IBM_VGA8.tga
new file mode 100644
index 0000000..521fb40
--- /dev/null
+++ b/tools/playground/files/Bm437_IBM_VGA8.tga
diff --git a/tools/playground/files/foobar.tga b/tools/playground/files/foobar.tga
new file mode 100644
index 0000000..895bae0
--- /dev/null
+++ b/tools/playground/files/foobar.tga
diff --git a/tools/playground/files/maze.tga b/tools/playground/files/maze.tga
new file mode 100644
index 0000000..4714c42
--- /dev/null
+++ b/tools/playground/files/maze.tga
diff --git a/tools/playground/files/teapot.dff b/tools/playground/files/teapot.dff
new file mode 100644
index 0000000..7a65176
--- /dev/null
+++ b/tools/playground/files/teapot.dff
diff --git a/tools/playground/font.cpp b/tools/playground/font.cpp
new file mode 100644
index 0000000..b001250
--- /dev/null
+++ b/tools/playground/font.cpp
@@ -0,0 +1,181 @@
+#include <rw.h>
+#include <skeleton.h>
+
+using namespace rw;
+
+struct Font
+{
+	Texture *tex;
+	int32 glyphwidth, glyphheight;
+	int32 numglyphs;
+};
+Font vga = { nil, 8, 16, 256 };
+Font bios = { nil, 8, 8, 256 };
+Font *curfont = &bios;
+
+#define NUMCHARS 100
+uint16 indices[NUMCHARS*6];
+RWDEVICE::Im2DVertex vertices[NUMCHARS*4];
+int32 curVert;
+int32 curIndex;
+
+void
+printScreen(const char *s, float32 x, float32 y)
+{
+	char c;
+	Camera *cam;
+	RWDEVICE::Im2DVertex *vert;
+	uint16 *ix;
+	curVert = 0;
+	curIndex = 0;
+	float32 u, v, du, dv;
+	float recipZ;
+
+	cam = (Camera*)engine->currentCamera;
+	vert = &vertices[curVert];
+	ix = &indices[curIndex];
+	du = curfont->glyphwidth/(float32)curfont->tex->raster->width;
+	dv = curfont->glyphheight/(float32)curfont->tex->raster->height;
+	recipZ = 1.0f/cam->nearPlane;
+	while(c = *s){
+		if(c >= curfont->numglyphs)
+			c = 0;
+		u = (c % 16)*curfont->glyphwidth / (float32)curfont->tex->raster->width;
+		v = (c / 16)*curfont->glyphheight / (float32)curfont->tex->raster->height;
+
+		vert->setScreenX(x);
+		vert->setScreenY(y);
+		vert->setScreenZ(rw::im2d::GetNearZ());
+		vert->setCameraZ(cam->nearPlane);
+		vert->setRecipCameraZ(recipZ);
+		vert->setColor(255, 255, 255, 255);
+		vert->setU(u, recipZ);
+		vert->setV(v, recipZ);
+		vert++;
+
+		vert->setScreenX(x+curfont->glyphwidth);
+		vert->setScreenY(y);
+		vert->setScreenZ(rw::im2d::GetNearZ());
+		vert->setCameraZ(cam->nearPlane);
+		vert->setRecipCameraZ(recipZ);
+		vert->setColor(255, 255, 255, 255);
+		vert->setU(u+du, recipZ);
+		vert->setV(v, recipZ);
+		vert++;
+		
+		vert->setScreenX(x);
+		vert->setScreenY(y+curfont->glyphheight);
+		vert->setScreenZ(rw::im2d::GetNearZ());
+		vert->setCameraZ(cam->nearPlane);
+		vert->setRecipCameraZ(recipZ);
+		vert->setColor(255, 255, 255, 255);
+		vert->setU(u, recipZ);
+		vert->setV(v+dv, recipZ);
+		vert++;
+
+		vert->setScreenX(x+curfont->glyphwidth);
+		vert->setScreenY(y+curfont->glyphheight);
+		vert->setScreenZ(rw::im2d::GetNearZ());
+		vert->setCameraZ(cam->nearPlane);
+		vert->setRecipCameraZ(recipZ);
+		vert->setColor(255, 255, 255, 255);
+		vert->setU(u+du, recipZ);
+		vert->setV(v+dv, recipZ);
+		vert++;
+
+		*ix++ = curVert;
+		*ix++ = curVert+1;
+		*ix++ = curVert+2;
+		*ix++ = curVert+2;
+		*ix++ = curVert+1;
+		*ix++ = curVert+3;
+
+		curVert += 4;
+		curIndex += 6;
+		x += curfont->glyphwidth+1;
+		
+		s++;
+	}
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, curfont->tex->raster);
+	rw::SetRenderState(rw::TEXTUREADDRESS, rw::Texture::WRAP);
+	rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::NEAREST);
+
+	im2d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST,
+		vertices, curVert, indices, curIndex);
+
+}
+
+void
+initFont(void)
+{
+	vga.tex = Texture::read("files/Bm437_IBM_VGA8", "");
+	bios.tex = Texture::read("files/Bm437_IBM_BIOS", "");
+
+/*
+	FILE *foo = fopen("font.c", "w");
+	assert(foo);
+	int x, y;
+	rw::Image *img = rw::readTGA("vga_font.tga");
+	assert(img);
+	for(y = 0; y < img->height; y++){
+		for(x = 0; x < img->width; x++)
+			fprintf(foo, "%d, ", !!img->pixels[y*img->width + x]);
+		fprintf(foo, "\n");
+	}
+*/
+}
+
+/*
+#define NUMGLYPHS 256
+#define GLYPHWIDTH 8
+#define GLYPHHEIGHT 16
+
+
+void
+convertFont(void)
+{
+	FILE *f;
+	Image *img;
+	uint8 data[NUMGLYPHS*GLYPHHEIGHT];
+	int32 i, x, y;
+	uint8 *px, *line, *glyph;
+//	f = fopen("font0.bin", "rb");
+	f = fopen("files/Bm437_IBM_VGA8.FON", "rb");
+//	f = fopen("files/Bm437_IBM_BIOS.FON", "rb");
+	if(f == nil)
+		return;
+fseek(f, 0x65A, 0);
+	fread(data, 1, NUMGLYPHS*GLYPHHEIGHT, f);
+	fclose(f);
+
+	img = Image::create(16*GLYPHWIDTH, NUMGLYPHS/16*GLYPHHEIGHT, 32);
+	img->allocate();
+	for(i = 0; i < NUMGLYPHS; i++){
+		glyph = &data[i*GLYPHHEIGHT];
+		x = (i % 16)*GLYPHWIDTH;
+		y = (i / 16)*GLYPHHEIGHT;
+		line = &img->pixels[x*4 + y*img->stride];
+		for(y = 0; y < GLYPHHEIGHT; y++){
+			px = line;
+			for(x = 0; x < 8; x++){
+				if(*glyph & 1<<(8-x)){
+					*px++ = 255;
+					*px++ = 255;
+					*px++ = 255;
+					*px++ = 255;
+				}else{
+					*px++ = 0;
+					*px++ = 0;
+					*px++ = 0;
+					*px++ = 0;
+				}
+			}
+			glyph++;
+			line += img->stride;
+		}
+	}
+//	writeTGA(img, "files/Bm437_IBM_BIOS.tga");
+	writeTGA(img, "files/Bm437_IBM_VGA8.tga");
+}
+*/
\ No newline at end of file
diff --git a/tools/playground/main.cpp b/tools/playground/main.cpp
new file mode 100644
index 0000000..043b3c6
--- /dev/null
+++ b/tools/playground/main.cpp
@@ -0,0 +1,641 @@
+#include <rw.h>
+#include <skeleton.h>
+#include "camera.h"
+#include <assert.h>
+
+rw::V3d zero = { 0.0f, 0.0f, 0.0f };
+Camera *camera;
+struct SceneGlobals {
+	rw::World *world;
+	rw::Camera *camera;
+	rw::Clump *clump;
+} Scene;
+rw::Texture *tex, *tex2;
+rw::Raster *testras;
+rw::EngineOpenParams engineOpenParams;
+
+rw::Texture *frontbuffer;
+
+bool dosoftras = 0;
+
+namespace gen {
+void tlTest(rw::Clump *clump);
+}
+void genIm3DTransform(void *vertices, rw::int32 numVertices, rw::Matrix *xform);
+void genIm3DRenderIndexed(rw::PrimitiveType prim, void *indices, rw::int32 numIndices);
+void genIm3DEnd(void);
+void initFont(void);
+void printScreen(const char *s, float x, float y);
+
+void initsplines(void);
+void rendersplines(void);
+
+rw::Charset *testfont;
+
+//#include <Windows.h>
+
+void
+Init(void)
+{
+//	AllocConsole();
+//	freopen("CONIN$", "r", stdin);
+//	freopen("CONOUT$", "w", stdout);
+//	freopen("CONOUT$", "w", stderr);
+
+	sk::globals.windowtitle = "Clump viewer";
+	sk::globals.width = 640;
+	sk::globals.height = 448;
+	sk::globals.quit = 0;
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+void
+dumpUserData(rw::UserDataArray *ar)
+{
+	int i;
+	printf("name: %s\n", ar->name);
+	for(i = 0; i < ar->numElements; i++){
+		switch(ar->datatype){
+		case rw::USERDATAINT:
+			printf("	%d\n", ar->getInt(i));
+			break;
+		case rw::USERDATAFLOAT:
+			printf("	%f\n", ar->getFloat(i));
+			break;
+		case rw::USERDATASTRING:
+			printf("	%s\n", ar->getString(i));
+			break;
+		}
+	}
+}
+
+static rw::Frame*
+dumpFrameUserDataCB(rw::Frame *f, void*)
+{
+	using namespace rw;
+	int32 i;
+	UserDataArray *ar;
+	int32 n = UserDataArray::frameGetCount(f);
+	for(i = 0; i < n; i++){
+		ar = UserDataArray::frameGet(f, i);
+		dumpUserData(ar);
+	}
+	f->forAllChildren(dumpFrameUserDataCB, nil);
+	return f;
+}
+
+void
+dumpUserData(rw::Clump *clump)
+{
+	printf("Frames\n");
+	dumpFrameUserDataCB(clump->getFrame(), nil);
+}
+
+static rw::Frame*
+getHierCB(rw::Frame *f, void *data)
+{
+	using namespace rw;
+	HAnimData *hd = rw::HAnimData::get(f);
+	if(hd->hierarchy){
+		*(HAnimHierarchy**)data = hd->hierarchy;
+		return nil;
+	}
+	f->forAllChildren(getHierCB, data);
+	return f;
+}
+
+rw::HAnimHierarchy*
+getHAnimHierarchyFromClump(rw::Clump *clump)
+{
+	using namespace rw;
+	HAnimHierarchy *hier = nil;
+	getHierCB(clump->getFrame(), &hier);
+	return hier;
+}
+
+void
+setupAtomic(rw::Atomic *atomic)
+{
+	using namespace rw;
+	// just remove pipelines that we can't handle for now
+//	if(atomic->pipeline && atomic->pipeline->platform != rw::platform)
+		atomic->pipeline = NULL;
+
+	// Attach hierarchy to atomic if we're skinned
+	HAnimHierarchy *hier = getHAnimHierarchyFromClump(atomic->clump);
+	if(hier)
+		Skin::setHierarchy(atomic, hier);
+}
+
+static void
+initHierFromFrames(rw::HAnimHierarchy *hier)
+{
+	using namespace rw;
+	int32 i;
+	for(i = 0; i < hier->numNodes; i++){
+		if(hier->nodeInfo[i].frame){
+			hier->matrices[hier->nodeInfo[i].index] = *hier->nodeInfo[i].frame->getLTM();
+		}else
+			assert(0);
+	}
+}
+
+void
+setupClump(rw::Clump *clump)
+{
+	using namespace rw;
+	HAnimHierarchy *hier = getHAnimHierarchyFromClump(clump);
+	if(hier){
+		hier->attach();
+		initHierFromFrames(hier);
+	}
+
+	FORLIST(lnk, clump->atomics){
+		rw::Atomic *a = rw::Atomic::fromClump(lnk);
+		setupAtomic(a);
+	}
+}
+
+#define MUL(x, y) ((x)*(y)/255)
+
+int
+calcVCfx(int fb, int col, int a, int iter)
+{
+	int prev = fb;
+	int col2 = col*2;
+	if(col2 > 255) col2 = 255;
+	for(int i = 0; i < iter; i++){
+		int tmp = MUL(fb, 255-a) + MUL(MUL(prev, col2), a);
+		tmp += MUL(prev, col);
+		tmp += MUL(prev, col);
+		prev = tmp > 255 ? 255 : tmp;
+	}
+	return prev;
+}
+
+int
+calcIIIfx(int fb, int col, int a, int iter)
+{
+	int prev = fb;
+	for(int i = 0; i < iter; i++){
+		int tmp = MUL(fb, 255-a) + MUL(MUL(prev, col), a);
+		prev = tmp > 255 ? 255 : tmp;
+	}
+	return prev;
+}
+
+void
+postfxtest(void)
+{
+	rw::Image *img = rw::Image::create(256, 256, 32);
+	img->allocate();
+	int x, y;
+	int iter;
+	static char filename[100];
+	for(iter = 0; iter < 10; iter++){
+		for(y = 0; y < 256; y++)
+			for(x = 0; x < 256; x++){
+				int res = calcVCfx(y, x, 30, iter);
+//				int res = calcIIIfx(y, x, 30, iter);
+				if(0 && res == y){
+					img->pixels[y*img->stride + x*img->bpp + 0] = 255;
+					img->pixels[y*img->stride + x*img->bpp + 1] = 0;
+					img->pixels[y*img->stride + x*img->bpp + 2] = 0;
+				}else{
+					img->pixels[y*img->stride + x*img->bpp + 0] = res;
+					img->pixels[y*img->stride + x*img->bpp + 1] = res;
+					img->pixels[y*img->stride + x*img->bpp + 2] = res;
+				}
+				img->pixels[y*img->stride + x*img->bpp + 3] = 255;
+			}
+		sprintf(filename, "vcfx_%02d.bmp", iter);
+//		sprintf(filename, "iiifx_%02d.bmp", iter);
+		rw::writeBMP(img, filename);
+	}
+	exit(0);
+}
+
+bool
+InitRW(void)
+{
+//	rw::platform = rw::PLATFORM_D3D8;
+	if(!sk::InitRW())
+		return false;
+
+	rw::d3d::isP8supported = false;
+
+//	postfxtest();
+
+	initFont();
+
+	rw::RGBA foreground = { 255, 255, 0, 255 };
+	rw::RGBA background = { 0, 0, 0, 0 };
+	rw::Charset::open();
+	testfont = rw::Charset::create(&foreground, &background);
+	assert(testfont);
+	foreground.blue = 255.0f;
+	testfont->setColors(&foreground, &background);
+
+	tex = rw::Texture::read("files/maze", nil);
+	tex2 = rw::Texture::read("files/checkers", nil);
+
+	const char *filename = "files/teapot.dff";
+	if(sk::args.argc > 1)
+		filename = sk::args.argv[1];
+	rw::StreamFile in;
+	if(in.open(filename, "rb") == NULL){
+		printf("couldn't open file\n");
+		return false;
+	}
+	rw::findChunk(&in, rw::ID_CLUMP, NULL, NULL);
+	Scene.clump = rw::Clump::streamRead(&in);
+	assert(Scene.clump);
+	in.close();
+
+	// TEST - Set texture to the all materials of the clump
+//	FORLIST(lnk, Scene.clump->atomics){
+//		rw::Atomic *a = rw::Atomic::fromClump(lnk);
+//		for(int i = 0; i < a->geometry->matList.numMaterials; i++)
+//			a->geometry->matList.materials[i]->setTexture(tex);
+//	}
+
+	Scene.clump->getFrame()->translate(&zero, rw::COMBINEREPLACE);
+
+	dumpUserData(Scene.clump);
+	setupClump(Scene.clump);
+
+	Scene.world = rw::World::create();
+
+	rw::Light *ambient = rw::Light::create(rw::Light::AMBIENT);
+	ambient->setColor(0.3f, 0.3f, 0.3f);
+	Scene.world->addLight(ambient);
+
+	rw::V3d xaxis = { 1.0f, 0.0f, 0.0f };
+	rw::Light *direct = rw::Light::create(rw::Light::DIRECTIONAL);
+	direct->setColor(0.8f, 0.8f, 0.8f);
+	direct->setFrame(rw::Frame::create());
+	direct->getFrame()->rotate(&xaxis, 180.0f, rw::COMBINEREPLACE);
+	Scene.world->addLight(direct);
+
+	camera = new Camera;
+	Scene.camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	camera->m_rwcam = Scene.camera;
+	camera->m_aspectRatio = 640.0f/448.0f;
+//	camera->m_near = 0.5f;
+	camera->m_near = 1.5f;
+	camera->m_far = 450.0f;
+//	camera->m_far = 15.0f;
+	camera->m_target.set(0.0f, 0.0f, 0.0f);
+	camera->m_position.set(0.0f, -10.0f, 0.0f);
+//	camera->setPosition(Vec3(0.0f, 5.0f, 0.0f));
+//	camera->setPosition(Vec3(0.0f, -70.0f, 0.0f));
+//	camera->setPosition(Vec3(0.0f, -1.0f, 3.0f));
+	camera->update();
+
+	Scene.world->addCamera(camera->m_rwcam);
+
+	initsplines();
+
+	return true;
+}
+
+void
+im2dtest(void)
+{
+	using namespace rw::RWDEVICE;
+	int i;
+	static struct
+	{
+		float x, y;
+		rw::uint8 r, g, b, a;
+		float u, v;
+	} vs[4] = {
+		{   0.0f,   0.0f,   255, 0, 0, 128,    0.0f, 0.0f },
+		{ 640.0f,   0.0f,   0, 255, 0, 128,    1.0f, 0.0f },
+		{   0.0f, 448.0f,   0, 0, 255, 128,    0.0f, 1.0f },
+		{ 640.0f, 448.0f,   0, 255, 255, 128,  1.0f, 1.0f },
+/*
+		{   0.0f,   0.0f,   255, 0, 0, 128,    0.0f, 1.0f },
+		{ 640.0f,   0.0f,   0, 255, 0, 128,    0.0f, 0.0f },
+		{   0.0f, 448.0f,   0, 0, 255, 128,    1.0f, 1.0f },
+		{ 640.0f, 448.0f,   0, 255, 255, 128,  1.0f, 0.0f },
+*/
+	};
+	Im2DVertex verts[4];
+	static short indices[] = {
+		0, 1, 2, 3
+	};
+
+	float recipZ = 1.0f/Scene.camera->nearPlane;
+	for(i = 0; i < 4; i++){
+		verts[i].setScreenX(vs[i].x);
+		verts[i].setScreenY(vs[i].y);
+		verts[i].setScreenZ(rw::im2d::GetNearZ());
+		verts[i].setCameraZ(Scene.camera->nearPlane);
+		verts[i].setRecipCameraZ(recipZ);
+		verts[i].setColor(vs[i].r, vs[i].g, vs[i].b, vs[i].a);
+		if(dosoftras)
+			verts[i].setColor(255, 255, 255, 255);
+		verts[i].setU(vs[i].u + 0.5f/640.0f, recipZ);
+		verts[i].setV(vs[i].v + 0.5f/448.0f, recipZ);
+	}
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, tex->raster);
+	if(dosoftras)
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, testras);
+	rw::SetRenderState(rw::TEXTUREADDRESS, rw::Texture::WRAP);
+	rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::NEAREST);
+	rw::SetRenderState(rw::VERTEXALPHA, 1);
+	rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRISTRIP,
+		&verts, 4, &indices, 4);
+}
+
+void
+im2dtest2(void)
+{
+	using namespace rw::RWDEVICE;
+	int i;
+	rw::Camera *cam = Scene.camera;
+	float n = cam->nearPlane;
+	float f = cam->farPlane;
+	float mid = (n+f)/4.0f;
+	struct
+	{
+		float x, y, z;
+		rw::uint8 r, g, b, a;
+		float u, v;
+	} vs[4] = {
+		{ 0.5f,  0.5f,   n,  255, 255, 255, 255,  0.0f, 0.0f },
+		{ 0.5f,  0.5f, mid,  255, 255, 255, 255,  1.0f, 0.0f },
+		{ 0.5f, -0.5f,   n,  255, 255, 255, 255,  0.0f, 1.0f },
+		{ 0.5f, -0.5f, mid,  255, 255, 255, 255,  1.0f, 1.0f },
+	};
+	Im2DVertex verts[4];
+	static short indices[] = {
+		0, 1, 2, 3
+	};
+
+	for(i = 0; i < 4; i++){
+		float recipZ = 1.0f/vs[i].z;
+		verts[i].setScreenX((vs[i].x*recipZ + 0.5f) * 640.0f);
+		verts[i].setScreenY((vs[i].y*recipZ + 0.5f) * 448.0f);
+		verts[i].setScreenZ(recipZ * cam->zScale + cam->zShift);
+//		verts[i].setCameraZ(vs[i].z);
+		verts[i].setRecipCameraZ(recipZ);
+		verts[i].setColor(vs[i].r, vs[i].g, vs[i].b, vs[i].a);
+		if(dosoftras)
+			verts[i].setColor(255, 255, 255, 255);
+		verts[i].setU(vs[i].u + 0.5f/640.0f, recipZ);
+		verts[i].setV(vs[i].v + 0.5f/448.0f, recipZ);
+	}
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, tex->raster);
+	rw::SetRenderState(rw::TEXTUREADDRESS, rw::Texture::WRAP);
+	rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::NEAREST);
+	rw::SetRenderState(rw::VERTEXALPHA, 1);
+	rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRISTRIP,
+		&verts, 4, &indices, 4);
+}
+
+void
+im3dtest(void)
+{
+	using namespace rw::RWDEVICE;
+	int i;
+	static struct
+	{
+		float x, y, z;
+		rw::uint8 r, g, b, a;
+		float u, v;
+	} vs[8] = {
+		{ -1.0f, -1.0f, -1.0f,   255, 0, 0, 128,    0.0f, 0.0f },
+		{ -1.0f,  1.0f, -1.0f,   0, 255, 0, 128,    0.0f, 1.0f },
+		{  1.0f, -1.0f, -1.0f,   0, 0, 255, 128,    1.0f, 0.0f },
+		{  1.0f,  1.0f, -1.0f,   255, 0, 255, 128,  1.0f, 1.0f },
+
+		{ -1.0f, -1.0f,  1.0f,   255, 0, 0, 128,    0.0f, 0.0f },
+		{ -1.0f,  1.0f,  1.0f,   0, 255, 0, 128,    0.0f, 1.0f },
+		{  1.0f, -1.0f,  1.0f,   0, 0, 255, 128,    1.0f, 0.0f },
+		{  1.0f,  1.0f,  1.0f,   255, 0, 255, 128,  1.0f, 1.0f },
+	};
+	Im3DVertex verts[8];
+	static short indices[2*6] = {
+		0, 1, 2, 2, 1, 3,
+		4, 5, 6, 6, 5, 7
+	};
+
+	for(i = 0; i < 8; i++){
+		verts[i].setX(vs[i].x);
+		verts[i].setY(vs[i].y);
+		verts[i].setZ(vs[i].z);
+		verts[i].setColor(vs[i].r, vs[i].g, vs[i].b, vs[i].a);
+		verts[i].setU(vs[i].u);
+		verts[i].setV(vs[i].v);
+	}
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, tex->raster);
+//	rw::SetRenderStatePtr(rw::TEXTURERASTER, testfont->raster);
+//	rw::SetRenderStatePtr(rw::TEXTURERASTER, frontbuffer->raster);
+	rw::SetRenderState(rw::TEXTUREADDRESS, rw::Texture::WRAP);
+	rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::NEAREST);
+
+/*
+	genIm3DTransform(verts, 8, nil);
+	genIm3DRenderIndexed(rw::PRIMTYPETRILIST, indices, 12);
+	genIm3DEnd();
+*/
+	rw::im3d::Transform(verts, 8, nil, rw::im3d::EVERYTHING);
+	rw::im3d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, indices, 12);
+	rw::im3d::End();
+}
+
+void
+getFrontBuffer(void)
+{
+	rw::Raster *fb = Scene.camera->frameBuffer;
+
+	if(frontbuffer == nil || fb->width > frontbuffer->raster->width || fb->height > frontbuffer->raster->height){
+		int w, h;
+		for(w = 1; w < fb->width; w <<= 1);
+		for(h = 1; h < fb->height; h <<= 1);
+		rw::Raster *ras = rw::Raster::create(w, h, fb->depth,  rw::Raster::CAMERATEXTURE);
+		if(frontbuffer){
+			frontbuffer->raster->destroy();
+			frontbuffer->raster = ras;
+		}else
+			frontbuffer = rw::Texture::create(ras);
+		printf("created FB with %d %d %d\n", ras->width, ras->height, ras->depth);
+	}
+
+	rw::Raster::pushContext(frontbuffer->raster);
+	fb->renderFast(0, 0);
+	rw::Raster::popContext();
+}
+
+void
+Draw(float timeDelta)
+{
+	getFrontBuffer();
+
+	rw::SetRenderState(rw::FOGCOLOR, 0xFF0000FF);
+//	rw::SetRenderState(rw::FOGENABLE, 1);
+	camera->m_rwcam->fogPlane = camera->m_rwcam->nearPlane;
+
+	static rw::RGBA clearcol = { 161, 161, 161, 0xFF };
+	camera->m_rwcam->clear(&clearcol, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+	camera->update();
+	camera->m_rwcam->beginUpdate();
+
+extern void beginSoftras(void);
+	beginSoftras();
+
+//	gen::tlTest(Scene.clump);
+void drawtest(void);
+//	drawtest();
+
+extern void endSoftras(void);
+	if(dosoftras){
+		endSoftras();
+	}
+		//im2dtest();
+		//im2dtest2();
+
+//	Scene.clump->render();
+//	im3dtest();
+//	printScreen("Hello, World!", 10, 10);
+
+//	testfont->print("foo ABC", 200, 200, true);
+
+	rendersplines();
+
+	camera->m_rwcam->endUpdate();
+
+	camera->m_rwcam->showRaster(0);
+}
+
+
+void
+KeyUp(int key)
+{
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case 'W':
+		camera->orbit(0.0f, 0.1f);
+		break;
+	case 'S':
+		camera->orbit(0.0f, -0.1f);
+		break;
+	case 'A':
+		camera->orbit(-0.1f, 0.0f);
+		break;
+	case 'D':
+		camera->orbit(0.1f, 0.0f);
+		break;
+	case sk::KEY_UP:
+		camera->turn(0.0f, 0.1f);
+		break;
+	case sk::KEY_DOWN:
+		camera->turn(0.0f, -0.1f);
+		break;
+	case sk::KEY_LEFT:
+		camera->turn(0.1f, 0.0f);
+		break;
+	case sk::KEY_RIGHT:
+		camera->turn(-0.1f, 0.0f);
+		break;
+	case 'R':
+		camera->zoom(0.1f);
+		break;
+	case 'F':
+		camera->zoom(-0.1f);
+		break;
+	case 'V':
+		dosoftras = !dosoftras;
+		break;
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+void
+MouseMove(int x, int y)
+{
+}
+
+void
+MouseButton(int buttons)
+{
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+	MouseState *ms;
+
+	switch(e){
+	case INITIALIZE:
+		Init();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return ::InitRW() ? EVENTPROCESSED : EVENTERROR;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case MOUSEBTN:
+		ms = (MouseState*)param;
+		MouseButton(ms->buttons);
+		return EVENTPROCESSED;
+	case MOUSEMOVE:
+		ms = (MouseState*)param;
+		MouseMove(ms->posx, ms->posy);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		if(camera)
+			camera->m_aspectRatio = (float)r->w/r->h;
+		if(Scene.camera)
+			sk::CameraSize(Scene.camera, r);
+		break;
+	case IDLE:
+		Draw(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}
diff --git a/tools/playground/ras_test.cpp b/tools/playground/ras_test.cpp
new file mode 100644
index 0000000..185fdec
--- /dev/null
+++ b/tools/playground/ras_test.cpp
@@ -0,0 +1,902 @@
+#include <rw.h>
+#include <skeleton.h>
+
+namespace rs {
+
+typedef int8_t i8;
+typedef uint8_t u8;
+typedef int16_t i16;
+typedef uint16_t u16;
+typedef int32_t i32;
+typedef uint32_t u32;
+typedef int64_t i64;
+typedef uint64_t u64;
+
+typedef struct Canvas Canvas;
+struct Canvas
+{
+	u8 *fb;
+	u32 *zbuf;
+	int w, h;
+};
+extern Canvas *canvas;
+
+typedef struct Texture Texture;
+struct Texture          
+{                       
+	u8 *pixels;
+	int w, h;
+	int wrap;
+};              
+
+typedef struct Point3 Point3;
+struct Point3
+{
+	int x, y, z;
+};
+
+typedef struct Color Color;
+struct Color
+{
+	u8 r, g, b, a;
+};
+
+typedef struct Vertex Vertex;
+struct Vertex
+{
+	i32 x, y, z;
+	float q;	// 1/z
+	u8 r, g, b, a;
+	u8 f;		// fog
+	float s, t;
+};
+
+Canvas *makecanvas(int w, int h);
+Texture *maketexture(int w, int h);
+void putpixel(Canvas *canvas, Point3 p, Color c);
+void clearcanvas(Canvas *canvas);
+void drawTriangle(Canvas *canvas, Vertex p1, Vertex p2, Vertex p3);
+
+// not good
+void drawRect(Canvas *canvas, Point3 p1, Point3 p2, Color c);
+void drawLine(Canvas *canvas, Point3 p1, Point3 p2, Color c);
+
+//#define trace(...) printf(__VA_ARGS__)
+#define trace(...)
+
+
+int clamp(int x);
+
+
+/*
+ * Render States
+ */
+enum TextureWrap {
+	WRAP_REPEAT,
+	WRAP_CLAMP,
+	WRAP_BORDER,
+};
+
+enum TextureFunction {
+	TFUNC_MODULATE,
+	TFUNC_DECAL,
+	TFUNC_HIGHLIGHT,
+	TFUNC_HIGHLIGHT2,
+};
+
+enum AlphaTestFunc {
+	ALPHATEST_NEVER,
+	ALPHATEST_ALWAYS,
+	ALPHATEST_LESS,
+	ALPHATEST_LEQUAL,
+	ALPHATEST_EQUAL,
+	ALPHATEST_GEQUAL,
+	ALPHATEST_GREATER,
+	ALPHATEST_NOTEQUAL,
+};
+
+enum AlphaTestFail {
+	ALPHAFAIL_KEEP,
+	ALPHAFAIL_FB_ONLY,
+	ALPHAFAIL_ZB_ONLY,
+};
+
+enum DepthTestFunc {
+	DEPTHTEST_NEVER,
+	DEPTHTEST_ALWAYS,
+	DEPTHTEST_GEQUAL,
+	DEPTHTEST_GREATER,
+};
+
+// The blend equation is
+// out = ((A - B) * C >> 7) + D
+// A, B and D select the color, C the alpha value
+enum AlphaBlendOp {
+	ALPHABLEND_SRC,
+	ALPHABLEND_DST,
+	ALPHABLEND_ZERO,
+	ALPHABLEND_FIX = ALPHABLEND_ZERO,
+};
+
+extern int srScissorX0, srScissorX1;
+extern int srScissorY0, srScissorY1;
+extern int srDepthTestEnable;
+extern int srDepthTestFunction;
+extern int srWriteZ;
+extern int srAlphaTestEnable;
+extern int srAlphaTestFunction;
+extern int srAlphaTestReference;
+extern int srAlphaTestFail;
+extern int srAlphaBlendEnable;
+extern int srAlphaBlendA;
+extern int srAlphaBlendB;
+extern int srAlphaBlendC;
+extern int srAlphaBlendD;
+extern int srAlphaBlendFix;
+extern int srTexEnable;
+extern Texture *srTexture;
+extern int srWrapU;
+extern int srWrapV;
+extern Color srBorder;
+extern int srTexUseAlpha;
+extern int srTexFunc;
+extern int srFogEnable;
+extern Color srFogCol;
+
+
+
+// end header
+
+
+
+
+#define CEIL(p) (((p)+15) >> 4)
+
+// render states
+int srScissorX0, srScissorX1;
+int srScissorY0, srScissorY1;
+int srDepthTestEnable = 1;
+int srDepthTestFunction = DEPTHTEST_GEQUAL;
+int srWriteZ = 1;
+int srAlphaTestEnable = 1;
+int srAlphaTestFunction = ALPHATEST_ALWAYS;
+int srAlphaTestReference;
+int srAlphaTestFail = ALPHAFAIL_FB_ONLY;
+int srAlphaBlendEnable = 1;
+int srAlphaBlendA = ALPHABLEND_SRC;
+int srAlphaBlendB = ALPHABLEND_DST;
+int srAlphaBlendC = ALPHABLEND_SRC;
+int srAlphaBlendD = ALPHABLEND_DST;
+int srAlphaBlendFix = 0x80;
+int srTexEnable = 0;
+Texture *srTexture;
+int srWrapU = WRAP_REPEAT;
+int srWrapV = WRAP_REPEAT;
+Color srBorder = { 255, 0, 0, 255 };
+int srTexUseAlpha = 1;
+int srTexFunc = TFUNC_MODULATE;
+int srFogEnable = 0;
+Color srFogCol = { 0, 0, 0, 0 };
+
+int clamp(int x) { if(x < 0) return 0; if(x > 255) return 255; return x; }
+
+Canvas*
+makecanvas(int w, int h)
+{
+	Canvas *canv;
+	canv = (Canvas*)malloc(sizeof(*canv) + w*h*(4+4));
+	canv->w = w;
+	canv->h = h;
+	canv->fb = ((u8*)canv + sizeof(*canv));
+	canv->zbuf = (u32*)(canv->fb + w*h*4);
+	return canv;
+}
+
+Texture*
+maketexture(int w, int h)
+{
+	Texture *t;
+	t = (Texture*)malloc(sizeof(*t) + w*h*4);
+	t->w = w;
+	t->h = h;
+	t->pixels = (u8*)t + sizeof(*t);
+	t->wrap = 0x11; // wrap u and v
+	return t;
+}
+
+void
+clearcanvas(Canvas *canvas)
+{
+	memset(canvas->fb, 0, canvas->w*canvas->h*4);
+	memset(canvas->zbuf, 0, canvas->w*canvas->h*4);
+}
+
+void
+writefb(Canvas *canvas, int x, int y, Color c)
+{
+	u8 *px = &canvas->fb[(y*canvas->w + x)*4];
+	u32 *z = &canvas->zbuf[y*canvas->w + x];
+
+	px[3] = c.r;
+	px[2] = c.g;
+	px[1] = c.b;
+	px[0] = c.a;
+}
+
+void
+putpixel(Canvas *canvas, Point3 p, Color c)
+{
+	// scissor test
+	if(p.x < srScissorX0 || p.x > srScissorX1 ||
+	   p.y < srScissorY0 || p.y > srScissorY1)
+		return;
+
+	u8 *px = &canvas->fb[(p.y*canvas->w + p.x)*4];
+	u32 *z = &canvas->zbuf[p.y*canvas->w + p.x];
+
+	int fbwrite = 1;
+	int zbwrite = srWriteZ;
+
+	// alpha test
+	if(srAlphaTestEnable){
+		int fail;
+		switch(srAlphaTestFunction){
+		case ALPHATEST_NEVER:
+			fail = 1;
+			break;
+		case ALPHATEST_ALWAYS:
+			fail = 0;
+			break;
+		case ALPHATEST_LESS:
+			fail = c.a >= srAlphaTestReference;
+			break;
+		case ALPHATEST_LEQUAL:
+			fail = c.a > srAlphaTestReference;
+			break;
+		case ALPHATEST_EQUAL:
+			fail = c.a != srAlphaTestReference;
+			break;
+		case ALPHATEST_GEQUAL:
+			fail = c.a < srAlphaTestReference;
+			break;
+		case ALPHATEST_GREATER:
+			fail = c.a <= srAlphaTestReference;
+			break;
+		case ALPHATEST_NOTEQUAL:
+			fail = c.a == srAlphaTestReference;
+			break;
+		}
+		if(fail){
+			switch(srAlphaTestFail){
+			case ALPHAFAIL_KEEP:
+				return;
+			case ALPHAFAIL_FB_ONLY:
+				zbwrite = 0;
+				break;
+			case ALPHAFAIL_ZB_ONLY:
+				fbwrite = 0;
+			}
+		}
+	}
+
+	// ztest
+	if(srDepthTestEnable){
+		switch(srDepthTestFunction){
+		case DEPTHTEST_NEVER:
+			return;
+		case DEPTHTEST_ALWAYS:
+			break;
+		case DEPTHTEST_GEQUAL:
+			if((u32)p.z < *z)
+				return;
+			break;
+		case DEPTHTEST_GREATER:
+			if((u32)p.z <= *z)
+				return;
+			break;
+		}
+	}
+
+	Color d = { px[3], px[2], px[1], px[0] };
+
+	// blend
+	if(srAlphaBlendEnable){
+		int ar, ag, ab;
+		int br, bg, bb;
+		int dr, dg, db;
+		int ca;
+		switch(srAlphaBlendA){
+		case ALPHABLEND_SRC:
+			ar = c.r;
+			ag = c.g;
+			ab = c.b;
+			break;
+		case ALPHABLEND_DST:
+			ar = d.r;
+			ag = d.g;
+			ab = d.b;
+			break;
+		case ALPHABLEND_ZERO:
+			ar = 0;
+			ag = 0;
+			ab = 0;
+			break;
+		default: assert(0);
+		}
+		switch(srAlphaBlendB){
+		case ALPHABLEND_SRC:
+			br = c.r;
+			bg = c.g;
+			bb = c.b;
+			break;
+		case ALPHABLEND_DST:
+			br = d.r;
+			bg = d.g;
+			bb = d.b;
+			break;
+		case ALPHABLEND_ZERO:
+			br = 0;
+			bg = 0;
+			bb = 0;
+			break;
+		default: assert(0);
+		}
+		switch(srAlphaBlendC){
+		case ALPHABLEND_SRC:
+			ca = c.a;
+			break;
+		case ALPHABLEND_DST:
+			ca = d.a;
+			break;
+		case ALPHABLEND_FIX:
+			ca = srAlphaBlendFix;
+			break;
+		default: assert(0);
+		}
+		switch(srAlphaBlendD){
+		case ALPHABLEND_SRC:
+			dr = c.r;
+			dg = c.g;
+			db = c.b;
+			break;
+		case ALPHABLEND_DST:
+			dr = d.r;
+			dg = d.g;
+			db = d.b;
+			break;
+		case ALPHABLEND_ZERO:
+			dr = 0;
+			dg = 0;
+			db = 0;
+			break;
+		default: assert(0);
+		}
+
+		int r, g, b;
+		r = ((ar - br) * ca >> 7) + dr;
+		g = ((ag - bg) * ca >> 7) + dg;
+		b = ((ab - bb) * ca >> 7) + db;
+
+		c.r = clamp(r);
+		c.g = clamp(g);
+		c.b = clamp(b);
+	}
+
+	if(fbwrite)
+		writefb(canvas, p.x, p.y, c);
+	if(zbwrite)
+		*z = p.z;
+}
+
+Color
+sampletex_nearest(int u, int v)
+{
+	Texture *tex = srTexture;
+
+	const int usize = tex->w;
+	const int vsize = tex->h;
+
+	int iu = u >> 4;
+	int iv = v >> 4;
+
+	switch(srWrapU){
+	case WRAP_REPEAT:
+		iu %= usize;
+		break;
+	case WRAP_CLAMP:
+		if(iu < 0) iu = 0;
+		if(iu >= usize) iu = usize-1;
+		break;
+	case WRAP_BORDER:
+		if(iu < 0 || iu >= usize)
+			return srBorder;
+	}
+
+	switch(srWrapV){
+	case WRAP_REPEAT:
+		iv %= vsize;
+		break;
+	case WRAP_CLAMP:
+		if(iv < 0) iv = 0;
+		if(iv >= vsize) iv = vsize-1;
+		break;
+	case WRAP_BORDER:
+		if(iv < 0 || iv >= vsize)
+			return srBorder;
+	}
+
+	u8 *cp = &tex->pixels[(iv*tex->w + iu)*4];
+	Color c = { cp[0], cp[1], cp[2], cp[3] };
+	return c;
+}
+
+// t is texture, f is fragment
+Color
+texfunc(Color t, Color f)
+{
+	int r, g, b, a;
+	switch(srTexFunc){
+	case TFUNC_MODULATE:
+		r = t.r * f.r >> 7;
+		g = t.g * f.g >> 7;
+		b = t.b * f.b >> 7;
+		a = srTexUseAlpha ?
+			t.a * f.a >> 7 :
+			f.a;
+		break;
+	case TFUNC_DECAL:
+		r = t.r;
+		g = t.g;
+		b = t.b;
+		a = srTexUseAlpha ? t.a : f.a;
+		break;
+	case TFUNC_HIGHLIGHT:
+		r = (t.r * f.r >> 7) + f.a;
+		g = (t.g * f.g >> 7) + f.a;
+		b = (t.b * f.b >> 7) + f.a;
+		a = srTexUseAlpha ?
+			t.a + f.a :
+			f.a;
+		break;
+	case TFUNC_HIGHLIGHT2:
+		r = (t.r * f.r >> 7) + f.a;
+		g = (t.g * f.g >> 7) + f.a;
+		b = (t.b * f.b >> 7) + f.a;
+		a = srTexUseAlpha ? t.a : f.a;
+		break;
+	}
+	Color v;
+	v.r = clamp(r);
+	v.g = clamp(g);
+	v.b = clamp(b);
+	v.a = clamp(a);
+	return v;
+}
+
+Point3 mkpnt(int x, int y, int z) { Point3 p = { x, y, z}; return p; }
+
+void
+drawRect(Canvas *canvas, Point3 p1, Point3 p2, Color c)
+{
+	int x, y;
+	for(y = p1.y; y <= p2.y; y++)
+		for(x = p1.x; x <= p2.x; x++)
+			putpixel(canvas, mkpnt(x, y, 0), c);
+}
+
+void
+drawLine(Canvas *canvas, Point3 p1, Point3 p2, Color c)
+{
+	int dx, dy;
+	int incx, incy;
+	int e;
+	int x, y;
+
+	dx = abs(p2.x-p1.x);
+	incx = p2.x > p1.x ? 1 : -1;
+	dy = abs(p2.y-p1.y);
+	incy = p2.y > p1.y ? 1 : -1;
+	e = 0;
+	if(dx == 0){
+		for(y = p1.y; y != p2.y; y += incy)
+			putpixel(canvas, mkpnt(p1.x, y, 0), c);
+	}else if(dx > dy){
+		y = p1.y;
+		for(x = p1.x; x != p2.x; x += incx){
+			putpixel(canvas, mkpnt(x, y, 0), c);
+			e += dy;
+			if(2*e >= dx){
+				e -= dx;
+				y += incy;
+			}
+		}
+	}else{
+		x = p1.x;
+		for(y = p1.y; y != p2.y; y += incy){
+			putpixel(canvas, mkpnt(x, y, 0), c);
+			e += dx;
+			if(2*e >= dy){
+				e -= dy;
+				x += incx;
+			}
+		}
+	}
+}
+
+/*
+	attibutes we want to interpolate:
+	R G B A
+	U V / S T Q
+	X Y Z F
+*/
+
+struct TriAttribs
+{
+	i64 z;
+	i32 r, g, b, a;
+	i32 f;
+	float s, t;
+	float q;
+};
+
+static void
+add1(struct TriAttribs *a, struct TriAttribs *b)
+{
+	a->z += b->z;
+	a->r += b->r;
+	a->g += b->g;
+	a->b += b->b;
+	a->a += b->a;
+	a->f += b->f;
+	a->s += b->s;
+	a->t += b->t;
+	a->q += b->q;
+}
+
+static void
+sub1(struct TriAttribs *a, struct TriAttribs *b)
+{
+	a->z -= b->z;
+	a->r -= b->r;
+	a->g -= b->g;
+	a->b -= b->b;
+	a->a -= b->a;
+	a->f -= b->f;
+	a->s -= b->s;
+	a->t -= b->t;
+	a->q -= b->q;
+}
+
+static void
+guard(struct TriAttribs *a)
+{
+	if(a->z < 0) a->z = 0;
+	else if(a->z > 0x3FFFFFFFC000LL) a->z = 0x3FFFFFFFC000LL;
+	if(a->r < 0) a->r = 0;
+	else if(a->r > 0xFF000) a->r = 0xFF000;
+	if(a->g < 0) a->g = 0;
+	else if(a->g > 0xFF000) a->g = 0xFF000;
+	if(a->b < 0) a->b = 0;
+	else if(a->b > 0xFF000) a->b = 0xFF000;
+	if(a->a < 0) a->a = 0;
+	else if(a->a > 0xFF000) a->a = 0xFF000;
+	if(a->f < 0) a->f = 0;
+	else if(a->f > 0xFF000) a->f = 0xFF000;
+}
+
+struct RasTri
+{
+	int x, y;
+	int ymid, yend;
+	int right;
+	int e[2], dx[3], dy[3];
+	struct TriAttribs gx, gy, v, s;
+};
+
+static int
+triangleSetup(struct RasTri *tri, Vertex v1, Vertex v2, Vertex v3)
+{
+	int dx1, dx2, dx3;
+	int dy1, dy2, dy3;
+
+	dy1 = v3.y - v1.y;	// long edge
+	if(dy1 == 0) return 1;
+	dx1 = v3.x - v1.x;
+	dx2 = v2.x - v1.x;	// first small edge
+	dy2 = v2.y - v1.y;
+	dx3 = v3.x - v2.x;	// second small edge
+	dy3 = v3.y - v2.y;
+
+	// this is twice the triangle area
+	const int area = dx2*dy1 - dx1*dy2;
+	if(area == 0) return 1;
+	// figure out if 0 or 1 is the right edge
+	tri->right = area < 0;
+
+	/* The gradients are to step whole pixels,
+	 * so they are pre-multiplied by 16. */
+
+	float denom = 16.0f/area;
+	// gradients x
+#define GX(p) ((v2.p - v1.p)*dy1 - (v3.p - v1.p)*dy2)
+	tri->gx.z = GX(z)*denom * 16384;
+	tri->gx.r = GX(r)*denom * 4096;
+	tri->gx.g = GX(g)*denom * 4096;
+	tri->gx.b = GX(b)*denom * 4096;
+	tri->gx.a = GX(a)*denom * 4096;
+	tri->gx.f = GX(f)*denom * 4096;
+	tri->gx.s = GX(s)*denom;
+	tri->gx.t = GX(t)*denom;
+	tri->gx.q = GX(q)*denom;
+
+	// gradients y
+	denom = -denom;
+#define GY(p) ((v2.p - v1.p)*dx1 - (v3.p - v1.p)*dx2)
+	tri->gy.z = GY(z)*denom * 16384;
+	tri->gy.r = GY(r)*denom * 4096;
+	tri->gy.g = GY(g)*denom * 4096;
+	tri->gy.b = GY(b)*denom * 4096;
+	tri->gy.a = GY(a)*denom * 4096;
+	tri->gy.f = GY(f)*denom * 4096;
+	tri->gy.s = GY(s)*denom;
+	tri->gy.t = GY(t)*denom;
+	tri->gy.q = GY(q)*denom;
+
+	tri->ymid = CEIL(v2.y);
+	tri->yend = CEIL(v3.y);
+
+	tri->y = CEIL(v1.y);
+	tri->x = CEIL(v1.x);
+
+	tri->dy[0] = dy2<<4;	// upper edge
+	tri->dy[1] = dy1<<4;	// lower edge
+	tri->dy[2] = dy3<<4;	// long edge
+	tri->dx[0] = dx2<<4;
+	tri->dx[1] = dx1<<4;
+	tri->dx[2] = dx3<<4;
+
+	// prestep to land on pixel center
+
+	int stepx = v1.x - (tri->x<<4);
+	int stepy = v1.y - (tri->y<<4);
+	tri->e[0] = (-stepy*tri->dx[0] + stepx*tri->dy[0]) >> 4;
+	tri->e[1] = (-stepy*tri->dx[1] + stepx*tri->dy[1]) >> 4;
+
+	// attributes along interpolated edge	
+	// why is this cast needed? (mingw)
+	tri->v.z = (i64)v1.z*16384 - (stepy*tri->gy.z + stepx*tri->gx.z)/16;
+	tri->v.r = v1.r*4096 - (stepy*tri->gy.r + stepx*tri->gx.r)/16;
+	tri->v.g = v1.g*4096 - (stepy*tri->gy.g + stepx*tri->gx.g)/16;
+	tri->v.b = v1.b*4096 - (stepy*tri->gy.b + stepx*tri->gx.b)/16;
+	tri->v.a = v1.a*4096 - (stepy*tri->gy.a + stepx*tri->gx.a)/16;
+	tri->v.f = v1.f*4096 - (stepy*tri->gy.f + stepx*tri->gx.f)/16;
+	tri->v.s = v1.s - (stepy*tri->gy.s + stepx*tri->gx.s)/16.0f;
+	tri->v.t = v1.t - (stepy*tri->gy.t + stepx*tri->gx.t)/16.0f;
+	tri->v.q = v1.q - (stepy*tri->gy.q + stepx*tri->gx.q)/16.0f;
+
+	return 0;
+}
+
+void
+drawTriangle(Canvas *canvas, Vertex v1, Vertex v2, Vertex v3)
+{
+	Color c;
+	struct RasTri tri;
+	int stepx, stepy;
+
+	// Sort such that we have from top to bottom v1,v2,v3
+	if(v2.y < v1.y){ Vertex tmp = v1; v1 = v2; v2 = tmp; }
+	if(v3.y < v1.y){ Vertex tmp = v1; v1 = v3; v3 = tmp; }
+	if(v3.y < v2.y){ Vertex tmp = v2; v2 = v3; v3 = tmp; }
+
+	if(triangleSetup(&tri, v1, v2, v3))
+		return;
+
+	// Current scanline start and end
+	int xn[2] = { tri.x, tri.x };
+	int a = !tri.right;	// left edge
+	int b = tri.right;	// right edge
+
+	// If upper triangle has no height, only do the lower part
+	if(tri.dy[0] == 0)
+		goto secondtri;
+	while(tri.y < tri.yend){
+		/* TODO: is this the righ way to step the edges? */
+
+		/* Step x and interpolated value down left edge */
+		while(tri.e[a] <= -tri.dy[a]){
+			xn[a]--;
+			tri.e[a] += tri.dy[a];
+			sub1(&tri.v, &tri.gx);
+		}
+		while(tri.e[a] > 0){
+			xn[a]++;
+			tri.e[a] -= tri.dy[a];
+			add1(&tri.v, &tri.gx);
+		}
+
+		/* Step x down right edge */
+		while(tri.e[b] <= -tri.dy[b]){
+			xn[b]--;
+			tri.e[b] += tri.dy[b];
+		}
+		while(tri.e[b] > 0){
+			xn[b]++;
+			tri.e[b] -= tri.dy[b];
+		}
+
+		// When we reach the mid vertex, change state and jump to start of loop again
+		// TODO: this is a bit ugly in here...can we fix it?
+		if(tri.y == tri.ymid){
+		secondtri:
+			tri.dx[0] = tri.dx[2];
+			tri.dy[0] = tri.dy[2];
+			// Either the while prevents this or we returned early because dy1 == 0
+			assert(tri.dy[0] != 0);
+			stepx = v2.x - (xn[0]<<4);
+			stepy = v2.y - (tri.y<<4);
+			tri.e[0] = (-stepy*tri.dx[0] + stepx*tri.dy[0]) >> 4;
+
+			tri.ymid = -1;	// so we don't do this again
+			continue;
+		}
+
+		/* Rasterize one line */
+		tri.s = tri.v;
+		for(tri.x = xn[a]; tri.x < xn[b]; tri.x++){
+			guard(&tri.s);
+			c.r = tri.s.r >> 12;
+			c.g = tri.s.g >> 12;
+			c.b = tri.s.b >> 12;
+			c.a = tri.s.a >> 12;
+			if(srTexEnable && srTexture){
+				float w = 1.0f/tri.s.q;
+				float s = tri.s.s * w;
+				float t = tri.s.t * w;
+				int u = s * srTexture->w * 16;
+				int v = t * srTexture->h * 16;
+				Color texc = sampletex_nearest(u, v);
+				c = texfunc(texc, c);
+			}
+			if(srFogEnable){
+				const int f = tri.s.f >> 12;
+				c.r = (f*c.r >> 8) + ((255 - f)*srFogCol.r >> 8);
+				c.g = (f*c.g >> 8) + ((255 - f)*srFogCol.g >> 8);
+				c.b = (f*c.b >> 8) + ((255 - f)*srFogCol.b >> 8);
+			}
+			putpixel(canvas, mkpnt(tri.x, tri.y, tri.s.z>>14), c);
+			add1(&tri.s, &tri.gx);
+		}
+
+		/* Step in y */
+		tri.y++;
+		tri.e[a] += tri.dx[a];
+		tri.e[b] += tri.dx[b];
+		add1(&tri.v, &tri.gy);
+	}
+}
+
+Canvas *canvas;
+
+}
+
+using namespace rw;
+
+void
+rastest_renderTriangles(RWDEVICE::Im2DVertex *scrverts, int32 numVerts, uint16 *indices, int32 numTris)
+{
+	int i;
+	RGBA col;
+	rs::Vertex v[3];
+	RWDEVICE::Im2DVertex *iv;
+
+	rs::srDepthTestEnable = 1;
+	rs::srAlphaTestEnable = 0;
+	rs::srTexEnable = 0;
+	rs::srAlphaBlendEnable = 0;
+
+	while(numTris--){
+		for(i = 0; i < 3; i++){
+			iv = &scrverts[indices[i]];
+			v[i].x = iv->getScreenX() * 16.0f;
+			v[i].y = iv->getScreenY() * 16.0f;
+			v[i].z = 16777216*(1.0f-iv->getScreenZ());
+			v[i].q = iv->getRecipCameraZ();
+			col = iv->getColor();
+			v[i].r = col.red;
+			v[i].g = col.green;
+			v[i].b = col.blue;
+			v[i].a = col.alpha;
+			v[i].f = 0;
+			v[i].s = iv->u*iv->getRecipCameraZ();
+			v[i].t = iv->v*iv->getRecipCameraZ();
+		}
+		drawTriangle(rs::canvas, v[0], v[1], v[2]);
+
+		indices += 3;
+	}
+}
+
+extern rw::Raster *testras;
+
+void
+beginSoftras(void)
+{
+	Camera *cam = (Camera*)engine->currentCamera;
+
+	if(rs::canvas == nil ||
+	   cam->frameBuffer->width != rs::canvas->w ||
+	   cam->frameBuffer->height != rs::canvas->h){
+		rs::canvas = rs::makecanvas(cam->frameBuffer->width, cam->frameBuffer->height);
+		testras = rw::Raster::create(rs::canvas->w, rs::canvas->h, 32, rw::Raster::C8888);
+	}
+
+	clearcanvas(rs::canvas);
+	rs::srScissorX0 = 0;
+	rs::srScissorX1 = rs::canvas->w-1;
+	rs::srScissorY0 = 0;
+	rs::srScissorY1 = rs::canvas->h-1;
+}
+
+void
+endSoftras(void)
+{
+	int i;
+	uint8 *dst = testras->lock(0, Raster::LOCKWRITE|Raster::LOCKNOFETCH);
+	if(dst == nil)
+		return;
+	uint8 *src = rs::canvas->fb;
+	for(i = 0; i < rs::canvas->w*rs::canvas->h; i++){
+		dst[0] = src[1];
+		dst[1] = src[2];
+		dst[2] = src[3];
+		dst[3] = src[0];
+		dst += 4;
+		src += 4;
+	}
+	// abgr in canvas
+	// bgra in raster
+	testras->unlock(0);
+}
+
+
+/*
+typedef struct PixVert PixVert;
+struct PixVert
+{
+	float x, y, z, q;
+	int r, g, b, a;
+	float u, v;
+};
+#include "test.inc"
+
+void
+drawtest(void)
+{
+	int i, j;
+	rs::Vertex v[3];
+
+	rs::srDepthTestEnable = 1;
+	rs::srAlphaTestEnable = 0;
+	rs::srTexEnable = 0;
+	rs::srAlphaBlendEnable = 0;
+
+	for(i = 0; i < nelem(verts); i += 3){
+		for(j = 0; j < 3; j++){
+			v[j].x = verts[i+j].x * 16.0f;
+			v[j].y = verts[i+j].y * 16.0f;
+			v[j].z = 16777216*(1.0f - verts[i+j].z);
+			v[j].q = verts[i+j].q;
+			v[j].r = verts[i+j].r;
+			v[j].g = verts[i+j].g;
+			v[j].b = verts[i+j].b;
+			v[j].a = verts[i+j].a;
+			v[j].f = 0;
+			v[j].s = verts[i+j].u*v[j].q;
+			v[j].t = verts[i+j].v*v[j].q;
+		}
+		drawTriangle(rs::canvas, v[0], v[1], v[2]);
+	}
+//exit(0);
+}
+*/
diff --git a/tools/playground/splines.cpp b/tools/playground/splines.cpp
new file mode 100644
index 0000000..00a3f79
--- /dev/null
+++ b/tools/playground/splines.cpp
@@ -0,0 +1,750 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include <vector>
+
+using namespace rw;
+using namespace RWDEVICE;
+
+static Im3DVertex im3dVerts[1024];
+static int numImVerts;
+static rw::PrimitiveType imPrim;
+static Im3DVertex imVert;
+
+void
+BeginIm3D(rw::PrimitiveType prim)
+{
+	numImVerts = 0;
+	imPrim = prim;
+}
+
+void
+EndIm3D(void)
+{
+	rw::im3d::Transform(im3dVerts, numImVerts, nil, rw::im3d::EVERYTHING);
+	rw::im3d::RenderPrimitive(imPrim);
+	rw::im3d::End();
+}
+
+void
+AddVertex(const rw::V3d &vert)
+{
+	if(numImVerts >= 1024){
+		EndIm3D();
+		switch(imPrim){
+		case PRIMTYPEPOLYLINE:
+			im3dVerts[0] = im3dVerts[numImVerts-1];
+			numImVerts = 1;
+			break;
+		case PRIMTYPETRISTRIP:
+			// TODO: winding?
+			im3dVerts[0] = im3dVerts[numImVerts-2];
+			im3dVerts[1] = im3dVerts[numImVerts-1];
+			numImVerts = 2;
+			break;
+		case PRIMTYPETRIFAN:
+			im3dVerts[1] = im3dVerts[numImVerts-1];
+			numImVerts = 2;
+			break;
+		default:
+			numImVerts = 0;
+		}
+	}
+
+	imVert.setX(vert.x);
+	imVert.setY(vert.y);
+	imVert.setZ(vert.z);
+	im3dVerts[numImVerts++] = imVert;
+}
+
+float epsilon = 0.000001;
+
+class BezierSurf
+{
+public:
+	// hardcoded 4x4 for now
+	V3d verts[16];
+
+	void mirrorX(void);
+	void mirrorY(void);
+
+	V3d eval(float u, float v);
+	void drawHull(void);
+	void drawShaded(void);
+};
+
+class RBCurve
+{
+public:
+	int degree;
+	std::vector<V3d> verts;
+	std::vector<float> weights;	// for rational
+	std::vector<float> knots;
+
+	V3d eval(float u);
+	void drawHull(void);
+	void drawSpline(void);
+};
+
+class RBSurf
+{
+public:
+	int degreeU, degreeV;
+	int numU, numV;
+	std::vector<V3d> verts;
+	std::vector<float> weights;
+	std::vector<float> knotsU, knotsV;
+
+	void update(void);
+	V3d eval(float u, float v);
+	void drawHull(void);
+	void drawIsoparms(void);
+	void drawShaded(void);
+};
+
+float div0(float a, float b) { return b == 0.0f ? a : a/b; }
+
+// naive algorithm
+float
+evalBasis(int i, int d, float u, float knots[])
+{
+	if(d == 0){
+		if(knots[i] <= u && u < knots[i+1])
+			return 1.0f;
+		return 0.0f;
+	}
+
+	float b0 = evalBasis(i, d-1, u, knots);
+	float b1 = evalBasis(i+1, d-1, u, knots);
+	return b0*div0(u-knots[i], knots[i+d] - knots[i]) + b1*div0(knots[i+d+1]-u, knots[i+d+1] - knots[i+1]);
+}
+
+float
+evalBasisFast(int i, int d, float u, float knots[])
+{
+	int r, j;
+	float tmp[10];
+
+	// degree 0 values
+	for(j = 0; j < d+1; j++)
+		tmp[j] = knots[i+j] <= u && u < knots[i+j+1] ? 1.0f : 0.0f;
+
+	// build up from degree zero
+	for(r = d, d = 1; r > 0; r--, d++){
+		for(j = 0; j < r; j++){
+			float t1 = div0(u-knots[i+j], knots[i+j + d] - knots[i+j]);
+			float t2 = div0(knots[i+j + d+1]-u, knots[i+j + d+1] - knots[i+j + 1]);
+			tmp[j] = tmp[j]*t1 + tmp[j+1]*t2;
+		}
+	}
+	return tmp[0];
+}
+
+void
+BezierSurf::mirrorX(void)
+{
+	int i;
+	for(i = 0; i < 16; i++)
+		verts[i].x = -verts[i].x;
+}
+
+void
+BezierSurf::mirrorY(void)
+{
+	int i;
+	for(i = 0; i < 16; i++)
+		verts[i].y = -verts[i].y;
+}
+
+V3d
+BezierSurf::eval(float u, float v)
+{
+	int i, j;
+	V3d out = { 0.0f, 0.0f, 0.0f };
+	float us[4], vs[4];
+	float iu = 1.0f-u;
+	float iv = 1.0f-v;
+	us[0] = iu*iu*iu;
+	us[1] = 3.0f*u*iu*iu;
+	us[2] = 3.0f*u*u*iu;
+	us[3] = u*u*u;
+	vs[0] = iv*iv*iv;
+	vs[1] = 3.0f*v*iv*iv;
+	vs[2] = 3.0f*v*v*iv;
+	vs[3] = v*v*v;
+	for(i = 0; i < 4; i++)
+		for(j = 0; j < 4; j++)
+			out = add(out, scale(verts[j+i*4],us[j]*vs[i]));
+	return out;
+}
+
+void
+BezierSurf::drawHull(void)
+{
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(138, 72, 51, 255);
+//	imVert.setColor(228, 172, 121, 255);
+
+	int iu, iv;
+	for(iv = 0; iv < 4; iv++){
+		BeginIm3D(rw::PRIMTYPEPOLYLINE);
+		for(iu = 0; iu < 4; iu++)
+			AddVertex(verts[iu + iv*4]);
+		EndIm3D();
+	}
+
+	for(iu = 0; iu < 4; iu++){
+		BeginIm3D(rw::PRIMTYPEPOLYLINE);
+		for(iv = 0; iv < 4; iv++)
+			AddVertex(verts[iu + iv*4]);
+		EndIm3D();
+	}
+}
+
+void
+BezierSurf::drawShaded(void)
+{
+	V3d vert;
+	int iu, iv;
+	float u, v;
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(0, 128, 240, 255);
+
+	float endu = 1.0f - epsilon;
+	float endv = 1.0f - epsilon;
+	float uinc = (endu-0.0f)/40.0f;
+	float vinc = (endv-0.0f)/40.0f;
+
+	float vnext;
+	for(v = 0.0f;; v = vnext){
+		if(v > endv)
+			v = endv;
+		vnext = v + vinc;
+
+		BeginIm3D(rw::PRIMTYPETRISTRIP);
+		for(u = 0.0f;; u += uinc){
+			if(u > endu)
+				u = endu;
+
+			AddVertex(eval(u, v));
+			AddVertex(eval(u, vnext));
+
+			if(u >= endu)
+				break;
+		}
+		EndIm3D();
+		if(vnext >= endv)
+			break;
+	}
+}
+
+V3d
+RBCurve::eval(float u)
+{
+	int i;
+	V3d vert = { 0.0f, 0.0f, 0.0f };
+	float w = 0.0f;
+
+	// Find knots we're interested in
+	for(i = 0; i < knots.size(); i++)
+		if(knots[i] <= u && u < knots[i+1])
+			break;
+	int startI = i-degree;
+	int endI = i+1;
+
+	for(i = startI; i < endI; i++){
+		float r = evalBasisFast(i, degree, u, &knots[0]);
+		w += weights[i]*r;
+		vert = add(vert, scale(verts[i], weights[i]*r));
+	}
+	return scale(vert, div0(1.0f,w));
+}
+
+void
+RBCurve::drawHull(void)
+{
+	int i;
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+
+	BeginIm3D(rw::PRIMTYPEPOLYLINE);
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(138, 72, 51, 255);
+//	imVert.setColor(228, 172, 121, 255);
+	for(i = 0; i < verts.size(); i++)
+		AddVertex(verts[i]);
+	EndIm3D();
+}
+
+void
+RBCurve::drawSpline(void)
+{
+	int i;
+	float u, endu;
+	V3d vert;
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+	BeginIm3D(rw::PRIMTYPEPOLYLINE);
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(0, 4, 96, 255);
+
+	u = knots[0];
+	endu = knots[knots.size()-1] - epsilon;
+	float uinc = (endu-knots[0])/40.0f;
+	for(;; u += uinc){
+		if(u > endu)
+			u = endu;
+		AddVertex(eval(u));
+		if(u >= endu)
+			break;
+	}
+
+	EndIm3D();
+}
+
+void
+RBSurf::update(void)
+{
+	numU = knotsU.size() - degreeU - 1;
+	numV = knotsV.size() - degreeV - 1;
+}
+
+V3d
+RBSurf::eval(float u, float v)
+{
+	int i, j;
+	V3d vert = { 0.0f, 0.0f, 0.0f };
+	float w = 0.0f;
+
+	float basisU[10], basisV[10];
+
+	// Find knots we're interested in
+	int k;
+	for(k = 0; k < knotsU.size(); k++)
+		if(knotsU[k] <= u && u < knotsU[k+1])
+			break;
+	int startI = k-degreeU;
+	int endI = k+1;
+	for(k = 0; k < knotsV.size(); k++)
+		if(knotsV[k] <= v && v < knotsV[k+1])
+			break;
+	int startJ = k-degreeV;
+	int endJ = k+1;
+
+	for(i = startI; i < endI; i++) basisU[i-startI] = evalBasisFast(i, degreeU, u, &knotsU[0]);
+	for(j = startJ; j < endJ; j++) basisV[j-startJ] = evalBasisFast(j, degreeV, v, &knotsV[0]);
+
+	for(j = startJ; j < endJ; j++)
+		for(i = startI; i < endI; i++){
+			float r = basisV[j-startJ]*basisU[i-startI];
+			w += weights[j*numU + i]*r;
+			vert = add(vert, scale(verts[j*numU + i], weights[j*numU + i]*r));
+		}
+	return scale(vert, div0(1.0f,w));
+}
+
+void
+RBSurf::drawHull(void)
+{
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(138, 72, 51, 255);
+//	imVert.setColor(228, 172, 121, 255);
+
+	int iu, iv;
+	for(iv = 0; iv < numV; iv++){
+		BeginIm3D(rw::PRIMTYPEPOLYLINE);
+		for(iu = 0; iu < numU; iu++)
+			AddVertex(verts[iu + iv*numU]);
+		EndIm3D();
+	}
+
+	for(iu = 0; iu < numU; iu++){
+		BeginIm3D(rw::PRIMTYPEPOLYLINE);
+		for(iv = 0; iv < numV; iv++)
+			AddVertex(verts[iu + iv*numU]);
+		EndIm3D();
+	}
+}
+
+void
+RBSurf::drawIsoparms(void)
+{
+	V3d vert;
+	int iu, iv;
+	float u, v;
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(0, 4, 96, 255);
+
+	float endu = knotsU[knotsU.size()-1] - epsilon;
+	float endv = knotsU[knotsV.size()-1] - epsilon;
+	float uinc = (endu-knotsU[0])/40.0f;
+	float vinc = (endv-knotsV[0])/40.0f;
+
+	v = -100000.0f;
+	for(iv = 0; iv < knotsV.size(); iv++){
+		if(knotsV[iv] <= v) continue;
+		v = knotsV[iv];
+		if(v > endv) v = endv;
+
+		BeginIm3D(rw::PRIMTYPEPOLYLINE);
+		for(u = knotsU[0];; u += uinc){
+			if(u > endu)
+				u = endu;
+			AddVertex(eval(u, v));
+			if(u >= endu)
+				break;
+		}
+		EndIm3D();
+	}
+
+	u = -100000.0f;
+	for(iu = 0; iu < knotsU.size(); iu++){
+		if(knotsU[iu] <= u) continue;
+		u = knotsU[iu];
+		if(u > endu) u = endu;
+
+		BeginIm3D(rw::PRIMTYPEPOLYLINE);
+		for(v = knotsV[0];; v += vinc){
+			if(v > endv)
+				v = endv;
+			AddVertex(eval(u, v));
+			if(v >= endv)
+				break;
+		}
+		EndIm3D();
+	}
+}
+
+void
+RBSurf::drawShaded(void)
+{
+	V3d vert;
+	int iu, iv;
+	float u, v;
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(0, 128, 240, 255);
+
+	float endu = knotsU[knotsU.size()-1] - epsilon;
+	float endv = knotsU[knotsV.size()-1] - epsilon;
+	float uinc = (endu-knotsU[0])/40.0f;
+	float vinc = (endv-knotsV[0])/40.0f;
+
+	float vnext;
+	for(v = knotsV[0];; v = vnext){
+		if(v > endv)
+			v = endv;
+		vnext = v + vinc;
+
+		BeginIm3D(rw::PRIMTYPETRISTRIP);
+		for(u = knotsU[0];; u += uinc){
+			if(u > endu)
+				u = endu;
+
+			AddVertex(eval(u, v));
+			AddVertex(eval(u, vnext));
+
+			if(u >= endu)
+				break;
+		}
+		EndIm3D();
+		if(vnext >= endv)
+			break;
+	}
+}
+
+
+RBCurve testspline1, testspline2;
+RBSurf testsurf;
+
+V3d teapotVerts[] = {
+	{  0.2000,  0.0000, 2.70000 }, {  0.2000, -0.1120, 2.70000 },
+	{  0.1120, -0.2000, 2.70000 }, {  0.0000, -0.2000, 2.70000 },
+	{  1.3375,  0.0000, 2.53125 }, {  1.3375, -0.7490, 2.53125 },
+	{  0.7490, -1.3375, 2.53125 }, {  0.0000, -1.3375, 2.53125 },
+	{  1.4375,  0.0000, 2.53125 }, {  1.4375, -0.8050, 2.53125 },
+	{  0.8050, -1.4375, 2.53125 }, {  0.0000, -1.4375, 2.53125 },
+	{  1.5000,  0.0000, 2.40000 }, {  1.5000, -0.8400, 2.40000 },
+	{  0.8400, -1.5000, 2.40000 }, {  0.0000, -1.5000, 2.40000 },
+	{  1.7500,  0.0000, 1.87500 }, {  1.7500, -0.9800, 1.87500 },
+	{  0.9800, -1.7500, 1.87500 }, {  0.0000, -1.7500, 1.87500 },
+	{  2.0000,  0.0000, 1.35000 }, {  2.0000, -1.1200, 1.35000 },
+	{  1.1200, -2.0000, 1.35000 }, {  0.0000, -2.0000, 1.35000 },
+	{  2.0000,  0.0000, 0.90000 }, {  2.0000, -1.1200, 0.90000 },
+	{  1.1200, -2.0000, 0.90000 }, {  0.0000, -2.0000, 0.90000 },
+	{ -2.0000,  0.0000, 0.90000 }, {  2.0000,  0.0000, 0.45000 },
+	{  2.0000, -1.1200, 0.45000 }, {  1.1200, -2.0000, 0.45000 },
+	{  0.0000, -2.0000, 0.45000 }, {  1.5000,  0.0000, 0.22500 },
+	{  1.5000, -0.8400, 0.22500 }, {  0.8400, -1.5000, 0.22500 },
+	{  0.0000, -1.5000, 0.22500 }, {  1.5000,  0.0000, 0.15000 },
+	{  1.5000, -0.8400, 0.15000 }, {  0.8400, -1.5000, 0.15000 },
+	{  0.0000, -1.5000, 0.15000 }, { -1.6000,  0.0000, 2.02500 },
+	{ -1.6000, -0.3000, 2.02500 }, { -1.5000, -0.3000, 2.25000 },
+	{ -1.5000,  0.0000, 2.25000 }, { -2.3000,  0.0000, 2.02500 },
+	{ -2.3000, -0.3000, 2.02500 }, { -2.5000, -0.3000, 2.25000 },
+	{ -2.5000,  0.0000, 2.25000 }, { -2.7000,  0.0000, 2.02500 },
+	{ -2.7000, -0.3000, 2.02500 }, { -3.0000, -0.3000, 2.25000 },
+	{ -3.0000,  0.0000, 2.25000 }, { -2.7000,  0.0000, 1.80000 },
+	{ -2.7000, -0.3000, 1.80000 }, { -3.0000, -0.3000, 1.80000 },
+	{ -3.0000,  0.0000, 1.80000 }, { -2.7000,  0.0000, 1.57500 },
+	{ -2.7000, -0.3000, 1.57500 }, { -3.0000, -0.3000, 1.35000 },
+	{ -3.0000,  0.0000, 1.35000 }, { -2.5000,  0.0000, 1.12500 },
+	{ -2.5000, -0.3000, 1.12500 }, { -2.6500, -0.3000, 0.93750 },
+	{ -2.6500,  0.0000, 0.93750 }, { -2.0000, -0.3000, 0.90000 },
+	{ -1.9000, -0.3000, 0.60000 }, { -1.9000,  0.0000, 0.60000 },
+	{  1.7000,  0.0000, 1.42500 }, {  1.7000, -0.6600, 1.42500 },
+	{  1.7000, -0.6600, 0.60000 }, {  1.7000,  0.0000, 0.60000 },
+	{  2.6000,  0.0000, 1.42500 }, {  2.6000, -0.6600, 1.42500 },
+	{  3.1000, -0.6600, 0.82500 }, {  3.1000,  0.0000, 0.82500 },
+	{  2.3000,  0.0000, 2.10000 }, {  2.3000, -0.2500, 2.10000 },
+	{  2.4000, -0.2500, 2.02500 }, {  2.4000,  0.0000, 2.02500 },
+	{  2.7000,  0.0000, 2.40000 }, {  2.7000, -0.2500, 2.40000 },
+	{  3.3000, -0.2500, 2.40000 }, {  3.3000,  0.0000, 2.40000 },
+	{  2.8000,  0.0000, 2.47500 }, {  2.8000, -0.2500, 2.47500 },
+	{  3.5250, -0.2500, 2.49375 }, {  3.5250,  0.0000, 2.49375 },
+	{  2.9000,  0.0000, 2.47500 }, {  2.9000, -0.1500, 2.47500 },
+	{  3.4500, -0.1500, 2.51250 }, {  3.4500,  0.0000, 2.51250 },
+	{  2.8000,  0.0000, 2.40000 }, {  2.8000, -0.1500, 2.40000 },
+	{  3.2000, -0.1500, 2.40000 }, {  3.2000,  0.0000, 2.40000 },
+	{  0.0000,  0.0000, 3.15000 }, {  0.8000,  0.0000, 3.15000 },
+	{  0.8000, -0.4500, 3.15000 }, {  0.4500, -0.8000, 3.15000 },
+	{  0.0000, -0.8000, 3.15000 }, {  0.0000,  0.0000, 2.85000 },
+	{  1.4000,  0.0000, 2.40000 }, {  1.4000, -0.7840, 2.40000 },
+	{  0.7840, -1.4000, 2.40000 }, {  0.0000, -1.4000, 2.40000 },
+	{  0.4000,  0.0000, 2.55000 }, {  0.4000, -0.2240, 2.55000 },
+	{  0.2240, -0.4000, 2.55000 }, {  0.0000, -0.4000, 2.55000 },
+	{  1.3000,  0.0000, 2.55000 }, {  1.3000, -0.7280, 2.55000 },
+	{  0.7280, -1.3000, 2.55000 }, {  0.0000, -1.3000, 2.55000 },
+	{  1.3000,  0.0000, 2.40000 }, {  1.3000, -0.7280, 2.40000 },
+	{  0.7280, -1.3000, 2.40000 }, {  0.0000, -1.3000, 2.40000 }
+};
+int teapotPatches[10][16] = {
+	{ 118, 118, 118, 118, 124, 122, 119, 121,
+	  123, 126, 125, 120,  40,  39,  38,  37 },
+	{ 102, 103, 104, 105,   4,   5,   6,   7,
+	    8,   9,  10,  11,  12,  13,  14,  15 },
+	{  12,  13,  14,  15,  16,  17,  18,  19,
+	   20,  21,  22,  23,  24,  25,  26,  27 },
+	{  24,  25,  26,  27,  29,  30,  31,  32,
+	   33,  34,  35,  36,  37,  38,  39,  40 },
+	{  96,  96,  96,  96,  97,  98,  99, 100,
+	  101, 101, 101, 101,   0,   1,   2,   3 },
+	{   0,   1,   2,   3, 106, 107, 108, 109,
+	  110, 111, 112, 113, 114, 115, 116, 117 },
+	{  41,  42,  43,  44,  45,  46,  47,  48,
+	   49,  50,  51,  52,  53,  54,  55,  56 },
+	{  53,  54,  55,  56,  57,  58,  59,  60,
+	   61,  62,  63,  64,  28,  65,  66,  67 },
+	{  68,  69,  70,  71,  72,  73,  74,  75,
+	   76,  77,  78,  79,  80,  81,  82,  83 },
+	{  80,  81,  82,  83,  84,  85,  86,  87,
+	   88,  89,  90,  91,  92,  93,  94,  95 },
+};
+
+BezierSurf teapotSurfs[32];
+
+void
+initsplines(void)
+{
+	V3d vert;
+
+	testspline1.degree = 3;
+	testspline1.verts.clear();
+	testspline1.weights.clear();
+	vert.set(-30.63383, 22.65459, 0);
+	vert = scale(vert, 1.0f/20.0f);
+	testspline1.verts.push_back(vert);
+	testspline1.weights.push_back(1.0f);
+	vert.set(13.50783, 33.01786, 15.06403);
+	vert = scale(vert, 1.0f/20.0f);
+	testspline1.verts.push_back(vert);
+	testspline1.weights.push_back(1.0f);
+	vert.set(34.252, -10.36327, 15.06403);
+	vert = scale(vert, 1.0f/20.0f);
+	testspline1.verts.push_back(vert);
+	testspline1.weights.push_back(1.0f);
+	vert.set(-7.959972, -1.205032, 0);
+	vert = scale(vert, 1.0f/20.0f);
+	testspline1.verts.push_back(vert);
+	testspline1.weights.push_back(1.0f);
+	vert.set(6.995127, -41.32158, -18.19684);
+	vert = scale(vert, 1.0f/20.0f);
+	testspline1.verts.push_back(vert);
+	testspline1.weights.push_back(1.0f);
+
+	testspline1.knots.clear();
+	testspline1.knots.push_back(0);
+	testspline1.knots.push_back(0);
+	testspline1.knots.push_back(0);
+	testspline1.knots.push_back(0);
+	testspline1.knots.push_back(1);
+	testspline1.knots.push_back(2);
+	testspline1.knots.push_back(2);
+	testspline1.knots.push_back(2);
+	testspline1.knots.push_back(2);
+
+
+	testspline2.degree = 2;
+	testspline2.verts.clear();
+#define V(x, y, z) \
+	vert.set(x, y, z); \
+	testspline2.verts.push_back(scale(vert, 1.0f/20.0f)); \
+	testspline2.weights.push_back(1.0f);
+	V(-61.9913, 9.158239, 0);
+	V(-32.32231, 27.23371, 0);
+	V(25.80961, -4.820126, 0);
+#undef V
+	testspline2.knots.clear();
+	testspline2.knots.push_back(0);
+	testspline2.knots.push_back(0);
+	testspline2.knots.push_back(0);
+	testspline2.knots.push_back(1);
+	testspline2.knots.push_back(1);
+	testspline2.knots.push_back(1);
+
+/*
+	testspline2 = testspline1;
+//	testspline2.knots.clear();
+//	testspline2.knots.push_back(0);
+//	testspline2.knots.push_back(0);
+//	testspline2.knots.push_back(0);
+//	testspline2.knots.push_back(0);
+//	testspline2.knots.push_back(3);
+//	testspline2.knots.push_back(4);
+//	testspline2.knots.push_back(4);
+//	testspline2.knots.push_back(4);
+//	testspline2.knots.push_back(4);
+	testspline1.weights[2] = 5.0f;
+*/
+
+#define V(x, y, z) \
+	vert.set(x, y, z); \
+	testsurf.verts.push_back(scale(vert, 1.0f/20.0f)); \
+	testsurf.weights.push_back(1.0f);
+
+	testsurf.degreeU = 3;
+	testsurf.degreeV = 3;
+	testsurf.verts.clear();
+	testsurf.weights.clear();
+	V(-69.22764, -0, 12.77366);
+	V(-48.72468, 0, 29.16251);
+	V(-24.84476, 0, 39.52605);
+	V(22.43265, -0, 45.79238);
+	V(36.4229, 0, 28.9215);
+	V(61.02645, 0, 6.74835);
+	V(86.35364, -0, 20.96809);
+	V(-69.22764, 9.286676, 12.77366);
+	V(-48.72468, 9.286676, 29.16251);
+	V(-24.84476, 9.286676, 39.52605);
+	V(22.43265, 9.286676, 45.79238);
+	V(36.4229, 9.286676, 28.9215);
+	V(61.02645, 9.286676, 6.74835);
+	V(86.35364, 9.286676, 20.96809);
+	V(-68.13416, 23.51821, 6.114491);
+	V(-48.19925, 23.51821, 22.27994);
+	V(-26.91943, 23.51821, 33.20763);
+	V(18.69658, 23.51821, 39.0488);
+	V(27.88844, 23.51821, 30.80604);
+	V(57.49908, 23.51821, -0.6488895);
+	V(86.35364, 23.51821, 14.21974);
+	V(-67.00163, 52.46369, -0.7825046);
+	V(-47.65504, 52.46369, 15.15157);
+	V(-29.06818, 52.46369, 26.66356);
+	V(14.82709, 52.46369, 32.06438);
+	V(19.04919, 52.46369, 32.75788);
+	V(53.84574, 52.46369, -8.310311);
+	V(86.35364, 52.46369, 7.230374);
+	V(-67.86079, 70.07219, 4.449699);
+	V(-48.06789, 70.07219, 20.5593);
+	V(-27.43809, 70.07219, 31.62803);
+	V(17.76257, 70.07219, 37.36291);
+	V(25.75483, 70.07219, 31.27717);
+	V(56.61724, 70.07219, -2.498198);
+	V(86.35364, 70.07219, 12.53265);
+#undef V
+	testsurf.knotsU.clear();
+	testsurf.knotsU.push_back(0);
+	testsurf.knotsU.push_back(0);
+	testsurf.knotsU.push_back(0);
+	testsurf.knotsU.push_back(0);
+	testsurf.knotsU.push_back(0.25);
+	testsurf.knotsU.push_back(0.5);
+	testsurf.knotsU.push_back(0.75);
+	testsurf.knotsU.push_back(1);
+	testsurf.knotsU.push_back(1);
+	testsurf.knotsU.push_back(1);
+	testsurf.knotsU.push_back(1);
+	testsurf.knotsV.clear();
+	testsurf.knotsV.push_back(0);
+	testsurf.knotsV.push_back(0);
+	testsurf.knotsV.push_back(0);
+	testsurf.knotsV.push_back(0);
+	testsurf.knotsV.push_back(0.5);
+	testsurf.knotsV.push_back(1);
+	testsurf.knotsV.push_back(1);
+	testsurf.knotsV.push_back(1);
+	testsurf.knotsV.push_back(1);
+
+	testsurf.update();
+
+	int i, j;
+	for(i = 0; i < 10; i++)
+		for(j = 0; j < 16; j++)
+			teapotSurfs[i].verts[j] = teapotVerts[teapotPatches[i][j]];
+	for(i = 0; i < 10; i++){
+		teapotSurfs[i+10] = teapotSurfs[i];
+		teapotSurfs[i+10].mirrorY();
+	}
+	for(i = 0; i < 6; i++){
+		teapotSurfs[i+20] = teapotSurfs[i];
+		teapotSurfs[i+20].mirrorX();
+		teapotSurfs[i+20+6] = teapotSurfs[i+10];
+		teapotSurfs[i+20+6].mirrorX();
+	}
+}
+
+void
+rendersplines(void)
+{
+//	testspline1.drawHull();
+//	testspline1.drawSpline();
+
+//	testspline2.drawHull();
+//	testspline2.drawSpline();
+
+//	testsurf.drawHull();
+//	testsurf.drawShaded();
+//	testsurf.drawIsoparms();
+
+	int i;
+	for(i = 0; i < 32; i++){
+		teapotSurfs[i].drawHull();
+		teapotSurfs[i].drawShaded();
+	}
+}
diff --git a/tools/playground/tl_tests.cpp b/tools/playground/tl_tests.cpp
new file mode 100644
index 0000000..7cfc59a
--- /dev/null
+++ b/tools/playground/tl_tests.cpp
@@ -0,0 +1,766 @@
+#include <rw.h>
+#include <skeleton.h>
+
+extern bool dosoftras;
+
+using namespace rw;
+using namespace RWDEVICE;
+
+void rastest_renderTriangles(RWDEVICE::Im2DVertex *scrverts, int32 verts, uint16 *indices, int32 numTris);
+
+//
+// This is a test to implement T&L in software and render with Im2D
+//
+
+namespace gen {
+
+#define MAX_LIGHTS 8
+
+struct Directional {
+	V3d at;
+	RGBAf color;
+};
+static Directional directionals[MAX_LIGHTS];
+static int32 numDirectionals;
+static RGBAf ambLight;
+
+static void
+enumLights(Matrix *lightmat)
+{
+	int32 n;
+	World *world;
+
+	world = (World*)engine->currentWorld;
+	ambLight.red = 0.0;
+	ambLight.green = 0.0;
+	ambLight.blue = 0.0;
+	ambLight.alpha = 0.0;
+	numDirectionals = 0;
+	// only unpositioned lights right now
+	FORLIST(lnk, world->globalLights){
+		Light *l = Light::fromWorld(lnk);
+		if(l->getType() == Light::DIRECTIONAL){
+			if(numDirectionals >= MAX_LIGHTS)
+				continue;
+			n = numDirectionals++;
+			V3d::transformVectors(&directionals[n].at, &l->getFrame()->getLTM()->at, 1, lightmat);
+			directionals[n].color = l->color;
+			directionals[n].color.alpha = 0.0f;
+		}else if(l->getType() == Light::AMBIENT){
+			ambLight.red   += l->color.red;
+			ambLight.green += l->color.green;
+			ambLight.blue  += l->color.blue;
+		}
+	}
+}
+
+struct ObjSpace3DVertex
+{
+	V3d objVertex;
+	V3d objNormal;
+	RGBA color;
+	TexCoords texCoords;
+};
+
+enum {
+	CLIPXLO = 0x01,
+	CLIPXHI = 0x02,
+	CLIPX   = 0x03,
+	CLIPYLO = 0x04,
+	CLIPYHI = 0x08,
+	CLIPY   = 0x0C,
+	CLIPZLO = 0x10,
+	CLIPZHI = 0x20,
+	CLIPZ   = 0x30,
+};
+
+struct CamSpace3DVertex
+{
+	V3d camVertex;
+	uint8 clipFlags;
+	RGBAf color;
+	TexCoords texCoords;
+};
+
+struct InstanceData
+{
+	uint16 *indices;
+	int32 numIndices;
+	ObjSpace3DVertex *vertices;
+	int32 numVertices;
+	// int vertStride;	// not really needed right now
+	Material *material;
+	Mesh *mesh;
+};
+
+struct InstanceDataHeader : public rw::InstanceDataHeader
+{
+	uint32 serialNumber;
+	ObjSpace3DVertex *vertices;
+	uint16 *indices;
+	InstanceData *inst;
+};
+
+static void
+instanceAtomic(Atomic *atomic)
+{
+	static V3d zeroNorm = { 0.0f, 0.0f, 0.0f };
+	static RGBA black = { 0, 0, 0, 255 };
+	static TexCoords zeroTex = { 0.0f, 0.0f };
+	int i;
+	uint j;
+	int x, x1, x2, x3;
+	Geometry *geo;
+	MeshHeader *header;
+	Mesh *mesh;
+	InstanceDataHeader *insthead;
+	InstanceData *inst;
+	uint32 firstVert;
+	uint16 *srcindices, *dstindices;
+
+	geo = atomic->geometry;
+	if(geo->instData)
+		return;
+	header = geo->meshHeader;
+	int numTris;
+	if(header->flags & MeshHeader::TRISTRIP)
+		numTris = header->totalIndices - 2*header->numMeshes;
+	else
+		numTris = header->totalIndices / 3;
+	int size;
+	size = sizeof(InstanceDataHeader) + header->numMeshes*sizeof(InstanceData) +
+		geo->numVertices*sizeof(ObjSpace3DVertex) + numTris*6*sizeof(uint16);
+	insthead = (InstanceDataHeader*)rwNew(size, ID_GEOMETRY);
+	geo->instData = insthead;
+	insthead->platform = 0;
+	insthead->serialNumber = header->serialNum;
+	inst = (InstanceData*)(insthead+1);
+	insthead->inst = inst;
+	insthead->vertices = (ObjSpace3DVertex*)(inst+header->numMeshes);
+	dstindices = (uint16*)(insthead->vertices+geo->numVertices);
+	insthead->indices = dstindices;
+
+	// TODO: morphing
+	MorphTarget *mt = geo->morphTargets;
+	for(i = 0; i < geo->numVertices; i++){
+		insthead->vertices[i].objVertex = mt->vertices[i];
+		if(geo->flags & Geometry::NORMALS)
+			insthead->vertices[i].objNormal = mt->normals[i];
+		else
+			insthead->vertices[i].objNormal = zeroNorm;
+		if(geo->flags & Geometry::PRELIT)
+			insthead->vertices[i].color = geo->colors[i];
+		else
+			insthead->vertices[i].color = black;
+		if(geo->numTexCoordSets > 0)
+			insthead->vertices[i].texCoords = geo->texCoords[0][i];
+		else
+			insthead->vertices[i].texCoords = zeroTex;
+	}
+
+	mesh = header->getMeshes();
+	for(i = 0; i < header->numMeshes; i++){
+		findMinVertAndNumVertices(mesh->indices, mesh->numIndices,
+		                          &firstVert, &inst->numVertices);
+		inst->indices = dstindices;
+		inst->vertices = &insthead->vertices[firstVert];
+		inst->mesh = mesh;
+		inst->material = mesh->material;
+		srcindices = mesh->indices;
+		if(header->flags & MeshHeader::TRISTRIP){
+			inst->numIndices = 0;
+			x = 0;
+			for(j = 0; j < mesh->numIndices-2; j++){
+				x1 = srcindices[j+x];
+				x ^= 1;
+				x2 = srcindices[j+x];
+				x3 = srcindices[j+2];
+				if(x1 != x2 && x2 != x3 && x1 != x3){
+					dstindices[0] = x1;
+					dstindices[1] = x2;
+					dstindices[2] = x3;
+					dstindices += 3;
+					inst->numIndices += 3;
+				}
+			}
+		}else{
+			inst->numIndices = mesh->numIndices;
+			for(j = 0; j < mesh->numIndices; j += 3){
+				dstindices[0] = srcindices[j+0] - firstVert;
+				dstindices[1] = srcindices[j+1] - firstVert;
+				dstindices[2] = srcindices[j+2] - firstVert;
+				dstindices += 3;
+			}
+		}
+
+		inst++;
+		mesh++;
+	}
+}
+
+struct MeshState
+{
+	int32 flags;
+	Matrix obj2cam;
+	Matrix obj2world;
+	int32 numVertices;
+	int32 numPrimitives;
+	SurfaceProperties surfProps;
+	RGBA matCol;
+};
+
+static void
+cam2screen(Im2DVertex *scrvert, CamSpace3DVertex *camvert)
+{
+	RGBA col;
+	float32 recipZ;
+	Camera *cam = (Camera*)engine->currentCamera;
+	int32 width = cam->frameBuffer->width;
+	int32 height = cam->frameBuffer->height;
+	recipZ = 1.0f/camvert->camVertex.z;
+
+//	scrvert->setScreenX(camvert->camVertex.x * recipZ * width);
+//	scrvert->setScreenY(camvert->camVertex.y * recipZ * height);
+	scrvert->setScreenX(camvert->camVertex.x * recipZ * width/2 + width/4);
+	scrvert->setScreenY(camvert->camVertex.y * recipZ * height/2 + height/4);
+	scrvert->setScreenZ(recipZ * cam->zScale + cam->zShift);
+	scrvert->setCameraZ(camvert->camVertex.z);
+	scrvert->setRecipCameraZ(recipZ);
+	scrvert->setU(camvert->texCoords.u, recipZ);
+	scrvert->setV(camvert->texCoords.v, recipZ);
+	convColor(&col, &camvert->color);
+	scrvert->setColor(col.red, col.green, col.blue, col.alpha);
+}
+
+static void
+transform(MeshState *mstate, ObjSpace3DVertex *objverts, CamSpace3DVertex *camverts, Im2DVertex *scrverts)
+{
+	int32 i;
+	float32 z;
+	Camera *cam = (Camera*)engine->currentCamera;
+
+	for(i = 0; i < mstate->numVertices; i++){
+		V3d::transformPoints(&camverts[i].camVertex, &objverts[i].objVertex, 1, &mstate->obj2cam);
+		convColor(&camverts[i].color, &objverts[i].color);
+		camverts[i].texCoords = objverts[i].texCoords;
+
+		camverts[i].clipFlags = 0;
+		z = camverts[i].camVertex.z;
+		// 0 < x < z
+		if(camverts[i].camVertex.x >= z) camverts[i].clipFlags |= CLIPXHI;
+		if(camverts[i].camVertex.x <= 0) camverts[i].clipFlags |= CLIPXLO;
+		// 0 < y < z
+		if(camverts[i].camVertex.y >= z) camverts[i].clipFlags |= CLIPYHI;
+		if(camverts[i].camVertex.y <= 0) camverts[i].clipFlags |= CLIPYLO;
+		// near < z < far
+		if(z >= cam->farPlane) camverts[i].clipFlags |= CLIPZHI;
+		if(z <= cam->nearPlane) camverts[i].clipFlags |= CLIPZLO;
+
+		cam2screen(&scrverts[i], &camverts[i]);
+	}
+}
+
+static void
+light(MeshState *mstate, ObjSpace3DVertex *objverts, CamSpace3DVertex *camverts)
+{
+	int32 i;
+	RGBAf colf;
+	RGBAf amb = ambLight;
+	amb = scale(ambLight, mstate->surfProps.ambient);
+	for(i = 0; i < mstate->numVertices; i++){
+		camverts[i].color = add(camverts[i].color, amb);
+		if((mstate->flags & Geometry::NORMALS) == 0)
+			continue;
+		for(int32 k = 0; k < numDirectionals; k++){
+			float32 f = dot(objverts[i].objNormal, neg(directionals[k].at));
+			if(f <= 0.0f) continue;
+			f *= mstate->surfProps.diffuse;
+			colf = scale(directionals[k].color, f);
+			camverts[i].color = add(camverts[i].color, colf);
+		}
+	}
+}
+
+static void
+postlight(MeshState *mstate, CamSpace3DVertex *camverts, Im2DVertex *scrverts)
+{
+	int32 i;
+	RGBA col;
+	RGBAf colf;
+	for(i = 0; i < mstate->numVertices; i++){
+		convColor(&colf, &mstate->matCol);
+		camverts[i].color = modulate(camverts[i].color, colf);
+		clamp(&camverts[i].color);
+		convColor(&col, &camverts[i].color);
+		scrverts[i].setColor(col.red, col.green, col.blue, col.alpha);
+	}
+}
+
+static int32
+cullTriangles(MeshState *mstate, CamSpace3DVertex *camverts, uint16 *indices, uint16 *clipindices)
+{
+	int32 i;
+	int32 x1, x2, x3;
+	int32 newNumPrims;
+	int32 numClip;
+
+	newNumPrims = 0;
+	numClip = 0;
+	for(i = 0; i < mstate->numPrimitives; i++, indices += 3){
+		x1 = indices[0];
+		x2 = indices[1];
+		x3 = indices[2];
+		// Only a simple frustum call
+		if(camverts[x1].clipFlags &
+		   camverts[x2].clipFlags &
+		   camverts[x3].clipFlags)
+			continue;
+		if(camverts[x1].clipFlags |
+		   camverts[x2].clipFlags |
+		   camverts[x3].clipFlags)
+			numClip++;
+		// The Triangle is in, probably
+		clipindices[0] = x1;
+		clipindices[1] = x2;
+		clipindices[2] = x3;
+		clipindices += 3;
+		newNumPrims++;
+	}
+	mstate->numPrimitives = newNumPrims;
+	return numClip;
+}
+
+static void
+interpVertex(CamSpace3DVertex *out, CamSpace3DVertex *v1, CamSpace3DVertex *v2, float32 t)
+{
+	float32 z;
+	float32 invt;
+	Camera *cam = (Camera*)engine->currentCamera;
+
+	invt = 1.0f - t;
+	out->camVertex = add(scale(v1->camVertex, invt), scale(v2->camVertex, t));
+	out->color = add(scale(v1->color, invt), scale(v2->color, t));
+	out->texCoords.u = v1->texCoords.u*invt + v2->texCoords.u*t;
+	out->texCoords.v = v1->texCoords.v*invt + v2->texCoords.v*t;
+
+	out->clipFlags = 0;
+	z = out->camVertex.z;
+	// 0 < x < z
+	if(out->camVertex.x >= z) out->clipFlags |= CLIPXHI;
+	if(out->camVertex.x <= 0) out->clipFlags |= CLIPXLO;
+	// 0 < y < z
+	if(out->camVertex.y >= z) out->clipFlags |= CLIPYHI;
+	if(out->camVertex.y <= 0) out->clipFlags |= CLIPYLO;
+	// near < z < far
+	if(z >= cam->farPlane) out->clipFlags |= CLIPZHI;
+	if(z <= cam->nearPlane) out->clipFlags |= CLIPZLO;
+}
+
+static void
+clipTriangles(MeshState *mstate, CamSpace3DVertex *camverts, Im2DVertex *scrverts, uint16 *indices, uint16 *clipindices)
+{
+	int32 i, j;
+	int32 x1, x2, x3;
+	int32 newNumPrims;
+	CamSpace3DVertex buf[18];
+	CamSpace3DVertex *in, *out, *tmp;
+	int32 nin, nout;
+	float32 t;
+	Camera *cam = (Camera*)engine->currentCamera;
+
+	newNumPrims = 0;
+	for(i = 0; i < mstate->numPrimitives; i++, indices += 3){
+		x1 = indices[0];
+		x2 = indices[1];
+		x3 = indices[2];
+
+		if((camverts[x1].clipFlags |
+		    camverts[x2].clipFlags |
+		    camverts[x3].clipFlags) == 0){
+			// all inside
+			clipindices[0] = x1;
+			clipindices[1] = x2;
+			clipindices[2] = x3;
+			clipindices += 3;
+			newNumPrims++;
+			continue;
+		}
+
+		// set up triangle
+		in = &buf[0];
+		out = &buf[9];
+		in[0] = camverts[x1];
+		in[1] = camverts[x2];
+		in[2] = camverts[x3];
+		nin = 3;
+		nout = 0;
+
+#define V(a) in[a].camVertex.
+
+		// clip z near
+		for(j = 0; j < nin; j++){
+			x1 = j;
+			x2 = (j+1) % nin;
+			if((in[x1].clipFlags ^ in[x2].clipFlags) & CLIPZLO){
+				t = (cam->nearPlane - V(x1)z)/(V(x2)z - V(x1)z);
+				interpVertex(&out[nout++], &in[x1], &in[x2], t);
+			}
+			if((in[x2].clipFlags & CLIPZLO) == 0)
+				out[nout++] = in[x2];
+		}
+		// clip z far
+		nin = nout; nout = 0;
+		tmp = in; in = out; out = tmp;
+		for(j = 0; j < nin; j++){
+			x1 = j;
+			x2 = (j+1) % nin;
+			if((in[x1].clipFlags ^ in[x2].clipFlags) & CLIPZHI){
+				t = (cam->farPlane - V(x1)z)/(V(x2)z - V(x1)z);
+				interpVertex(&out[nout++], &in[x1], &in[x2], t);
+			}
+			if((in[x2].clipFlags & CLIPZHI) == 0)
+				out[nout++] = in[x2];
+		}
+		// clip y 0
+		nin = nout; nout = 0;
+		tmp = in; in = out; out = tmp;
+		for(j = 0; j < nin; j++){
+			x1 = j;
+			x2 = (j+1) % nin;
+			if((in[x1].clipFlags ^ in[x2].clipFlags) & CLIPYLO){
+				t = -V(x1)y/(V(x2)y - V(x1)y);
+				interpVertex(&out[nout++], &in[x1], &in[x2], t);
+			}
+			if((in[x2].clipFlags & CLIPYLO) == 0)
+				out[nout++] = in[x2];
+		}
+		// clip y z
+		nin = nout; nout = 0;
+		tmp = in; in = out; out = tmp;
+		for(j = 0; j < nin; j++){
+			x1 = j;
+			x2 = (j+1) % nin;
+			if((in[x1].clipFlags ^ in[x2].clipFlags) & CLIPYHI){
+				t = (V(x1)z - V(x1)y)/(V(x1)z - V(x1)y + V(x2)y - V(x2)z);
+				interpVertex(&out[nout++], &in[x1], &in[x2], t);
+			}
+			if((in[x2].clipFlags & CLIPYHI) == 0)
+				out[nout++] = in[x2];
+		}
+		// clip x 0
+		nin = nout; nout = 0;
+		tmp = in; in = out; out = tmp;
+		for(j = 0; j < nin; j++){
+			x1 = j;
+			x2 = (j+1) % nin;
+			if((in[x1].clipFlags ^ in[x2].clipFlags) & CLIPXLO){
+				t = -V(x1)x/(V(x2)x - V(x1)x);
+				interpVertex(&out[nout++], &in[x1], &in[x2], t);
+			}
+			if((in[x2].clipFlags & CLIPXLO) == 0)
+				out[nout++] = in[x2];
+		}
+		// clip x z
+		nin = nout; nout = 0;
+		tmp = in; in = out; out = tmp;
+		for(j = 0; j < nin; j++){
+			x1 = j;
+			x2 = (j+1) % nin;
+			if((in[x1].clipFlags ^ in[x2].clipFlags) & CLIPXHI){
+				t = (V(x1)z - V(x1)x)/(V(x1)z - V(x1)x + V(x2)x - V(x2)z);
+				interpVertex(&out[nout++], &in[x1], &in[x2], t);
+			}
+			if((in[x2].clipFlags & CLIPXHI) == 0)
+				out[nout++] = in[x2];
+		}
+
+		// Insert new triangles
+		x1 = mstate->numVertices;
+		for(j = 0; j < nout; j++){
+			x2 = mstate->numVertices++;
+			camverts[x2] = out[j];
+			cam2screen(&scrverts[x2], &camverts[x2]);
+		}
+		x2 = x1+1;
+		for(j = 0; j < nout-2; j++){
+			clipindices[0] = x1;
+			clipindices[1] = x2++;
+			clipindices[2] = x2;
+			clipindices += 3;
+			newNumPrims++;
+		}
+	}
+	mstate->numPrimitives = newNumPrims;
+}
+
+static int32
+clipPoly(CamSpace3DVertex *in, int32 nin, CamSpace3DVertex *out, Plane *plane)
+{
+	int32 j;
+	int32 nout;
+	int32 x1, x2;
+	float32 d1, d2, t;
+
+	nout = 0;
+	for(j = 0; j < nin; j++){
+		x1 = j;
+		x2 = (j+1) % nin;
+
+		d1 = dot(plane->normal, in[x1].camVertex) + plane->distance;
+		d2 = dot(plane->normal, in[x2].camVertex) + plane->distance;
+		if(d1*d2 < 0.0f){
+			t = d1/(d1 - d2);
+			interpVertex(&out[nout++], &in[x1], &in[x2], t);
+		}
+		if(d2 >= 0.0f)
+			out[nout++] = in[x2];
+	}
+	return nout;
+}
+
+static void
+clipTriangles2(MeshState *mstate, CamSpace3DVertex *camverts, Im2DVertex *scrverts, uint16 *indices, uint16 *clipindices)
+{
+	int32 i, j;
+	int32 x1, x2, x3;
+	int32 newNumPrims;
+	CamSpace3DVertex buf[18];
+	CamSpace3DVertex *in, *out;
+	int32 nout;
+	Camera *cam = (Camera*)engine->currentCamera;
+
+	Plane planes[6] = {
+		{ {  0.0f,  0.0f,  1.0f }, -cam->nearPlane },	// z = near
+		{ {  0.0f,  0.0f, -1.0f },  cam->farPlane },	// z = far
+
+		{ { -1.0f,  0.0f,  1.0f }, 0.0f },	// x = w
+//		{ {  1.0f,  0.0f,  1.0f }, 0.0f },	// x = -w
+		{ {  1.0f,  0.0f,  0.0f }, 0.0f },	// x = 0
+
+		{ {  0.0f, -1.0f,  1.0f }, 0.0f },	// y = w
+//		{ {  0.0f,  1.0f,  1.0f }, 0.0f }	// y = -1
+		{ {  0.0f,  1.0f,  0.0f }, 0.0f }	// y = 0
+	};
+
+	newNumPrims = 0;
+	for(i = 0; i < mstate->numPrimitives; i++, indices += 3){
+		x1 = indices[0];
+		x2 = indices[1];
+		x3 = indices[2];
+
+		if((camverts[x1].clipFlags |
+		    camverts[x2].clipFlags |
+		    camverts[x3].clipFlags) == 0){
+			// all inside
+			clipindices[0] = x1;
+			clipindices[1] = x2;
+			clipindices[2] = x3;
+			clipindices += 3;
+			newNumPrims++;
+			continue;
+		}
+
+		// set up triangle
+		in = &buf[0];
+		out = &buf[9];
+		in[0] = camverts[x1];
+		in[1] = camverts[x2];
+		in[2] = camverts[x3];
+		nout = 0;
+
+		// clip here
+		if(nout = clipPoly(in,  3,    out, &planes[0]), nout == 0) continue;
+		if(nout = clipPoly(out, nout, in,  &planes[1]), nout == 0) continue;
+		if(nout = clipPoly(in,  nout, out, &planes[2]), nout == 0) continue;
+		if(nout = clipPoly(out, nout, in,  &planes[3]), nout == 0) continue;
+		if(nout = clipPoly(in,  nout, out, &planes[4]), nout == 0) continue;
+		if(nout = clipPoly(out, nout, in,  &planes[5]), nout == 0) continue;
+		out = in;
+
+		// Insert new triangles
+		x1 = mstate->numVertices;
+		for(j = 0; j < nout; j++){
+			x2 = mstate->numVertices++;
+			camverts[x2] = out[j];
+			cam2screen(&scrverts[x2], &camverts[x2]);
+		}
+		x2 = x1+1;
+		for(j = 0; j < nout-2; j++){
+			clipindices[0] = x1;
+			clipindices[1] = x2++;
+			clipindices[2] = x2;
+			clipindices += 3;
+			newNumPrims++;
+		}
+	}
+	mstate->numPrimitives = newNumPrims;
+}
+
+static void
+submitTriangles(RWDEVICE::Im2DVertex *scrverts, int32 numVerts, uint16 *indices, int32 numTris)
+{
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	if(dosoftras)
+		rastest_renderTriangles(scrverts, numVerts, indices, numTris);
+	else{
+		//int i;
+		//for(i = 0; i < numVerts; i++){
+		//	scrverts[i].x = (int)(scrverts[i].x*16.0f) / 16.0f;
+		//	scrverts[i].y = (int)(scrverts[i].y*16.0f) / 16.0f;
+		//}
+		im2d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, scrverts, numVerts,
+			indices, numTris*3);
+	}
+}
+
+
+static void
+drawMesh(MeshState *mstate, ObjSpace3DVertex *objverts, uint16 *indices)
+{
+	CamSpace3DVertex *camverts;
+	Im2DVertex *scrverts;
+	uint16 *cullindices, *clipindices;
+	uint32 numClip;
+
+	camverts = rwNewT(CamSpace3DVertex, mstate->numVertices, MEMDUR_FUNCTION);
+	scrverts = rwNewT(Im2DVertex, mstate->numVertices, MEMDUR_FUNCTION);
+	cullindices = rwNewT(uint16, mstate->numPrimitives*3, MEMDUR_FUNCTION);
+
+	transform(mstate, objverts, camverts, scrverts);
+
+	numClip = cullTriangles(mstate, camverts, indices, cullindices);
+
+//	int32 i;
+//	for(i = 0; i < mstate->numVertices; i++){
+//		if(camverts[i].clipFlags & CLIPX)
+//			camverts[i].color.red = 255;
+//		if(camverts[i].clipFlags & CLIPY)
+//			camverts[i].color.green = 255;
+//		if(camverts[i].clipFlags & CLIPZ)
+//			camverts[i].color.blue = 255;
+//	}
+
+	light(mstate, objverts, camverts);
+
+//	mstate->matCol.red = 255;
+//	mstate->matCol.green = 255;
+//	mstate->matCol.blue = 255;
+
+	postlight(mstate, camverts, scrverts);
+
+	// each triangle can have a maximum of 9 vertices (7 triangles) after clipping
+	// so resize to whatever we may need
+	camverts = rwResizeT(CamSpace3DVertex, camverts, mstate->numVertices + numClip*9, MEMDUR_FUNCTION);
+	scrverts = rwResizeT(Im2DVertex, scrverts, mstate->numVertices + numClip*9, MEMDUR_FUNCTION);
+	clipindices = rwNewT(uint16, mstate->numPrimitives*3 + numClip*7*3, MEMDUR_FUNCTION);
+
+//	clipTriangles(mstate, camverts, scrverts, cullindices, clipindices);
+	clipTriangles2(mstate, camverts, scrverts, cullindices, clipindices);
+
+	submitTriangles(scrverts, mstate->numVertices, clipindices, mstate->numPrimitives);
+
+	rwFree(camverts);
+	rwFree(scrverts);
+	rwFree(cullindices);
+	rwFree(clipindices);
+}
+
+static void
+drawAtomic(Atomic *atomic)
+{
+	MeshState mstate;
+	Matrix lightmat;
+	Geometry *geo;
+	MeshHeader *header;
+	InstanceData *inst;
+	int i;
+	Camera *cam = (Camera*)engine->currentCamera;
+
+	instanceAtomic(atomic);
+
+	mstate.obj2world = *atomic->getFrame()->getLTM();
+	mstate.obj2cam = mstate.obj2world;
+	mstate.obj2cam.transform(&cam->viewMatrix, COMBINEPOSTCONCAT);
+	Matrix::invert(&lightmat, &mstate.obj2world);
+	enumLights(&lightmat);
+
+	geo = atomic->geometry;
+	header = geo->meshHeader;
+	inst = ((InstanceDataHeader*)geo->instData)->inst;
+	for(i = 0; i < header->numMeshes; i++){
+		mstate.flags = geo->flags;
+		mstate.numVertices = inst->numVertices;
+		mstate.numPrimitives = inst->numIndices / 3;
+		mstate.surfProps = inst->material->surfaceProps;
+		mstate.matCol = inst->material->color;
+		drawMesh(&mstate, inst->vertices, inst->indices);
+		inst++;
+	}
+}
+
+void
+tlTest(Clump *clump)
+{
+	FORLIST(lnk, clump->atomics){
+		Atomic *a = Atomic::fromClump(lnk);
+		drawAtomic(a);
+	}
+}
+
+}
+
+static Im2DVertex *clipverts;
+static int32 numClipverts;
+
+void
+genIm3DTransform(void *vertices, int32 numVertices, Matrix *world)
+{
+	Im3DVertex *objverts;
+	V3d pos;
+	Matrix xform;
+	Camera *cam;
+	int32 i;
+	objverts = (Im3DVertex*)vertices;
+
+	cam = (Camera*)engine->currentCamera;
+	int32 width = cam->frameBuffer->width;
+	int32 height = cam->frameBuffer->height;
+
+
+	xform = cam->viewMatrix;
+	if(world)
+		xform.transform(world, COMBINEPRECONCAT);
+
+	clipverts = rwNewT(Im2DVertex, numVertices, MEMDUR_EVENT);
+	numClipverts = numVertices;
+
+	for(i = 0; i < numVertices; i++){
+		V3d::transformPoints(&pos, &objverts[i].position, 1, &xform);
+
+		float32 recipZ = 1.0f/pos.z;
+		RGBA c = objverts[i].getColor();
+
+		clipverts[i].setScreenX(pos.x * recipZ * width);
+		clipverts[i].setScreenY(pos.y * recipZ * height);
+		clipverts[i].setScreenZ(recipZ * cam->zScale + cam->zShift);
+		clipverts[i].setCameraZ(pos.z);
+		clipverts[i].setRecipCameraZ(recipZ);
+		clipverts[i].setColor(c.red, c.green, c.blue, c.alpha);
+		clipverts[i].setU(objverts[i].u, recipZ);
+		clipverts[i].setV(objverts[i].v, recipZ);
+	}
+}
+
+void
+genIm3DRenderIndexed(PrimitiveType prim, void *indices, int32 numIndices)
+{
+	im2d::RenderIndexedPrimitive(prim, clipverts, numClipverts, indices, numIndices);
+}
+
+void
+genIm3DEnd(void)
+{
+	rwFree(clipverts);
+	clipverts = nil;
+	numClipverts = 0;
+}
diff --git a/tools/ps2test/CMakeLists.txt b/tools/ps2test/CMakeLists.txt
new file mode 100644
index 0000000..5195a19
--- /dev/null
+++ b/tools/ps2test/CMakeLists.txt
@@ -0,0 +1,26 @@
+add_executable(ps2test
+    gs.h
+    main.cpp
+    mem.h
+    ps2.h
+
+    vu/defaultpipe.dsm
+    vu/skinpipe.dsm
+
+    vu/light.vu
+    vu/setup_persp.vu
+)
+
+target_link_libraries(ps2test
+    PRIVATE
+        librw::librw
+        kernel
+)
+
+librw_platform_target(ps2test INSTALL)
+
+if(LIBRW_INSTALL)
+    install(TARGETS ps2test
+        RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    )
+endif()
diff --git a/tools/ps2test/gs.h b/tools/ps2test/gs.h
new file mode 100644
index 0000000..361ad8c
--- /dev/null
+++ b/tools/ps2test/gs.h
@@ -0,0 +1,437 @@
+#define GS_NONINTERLACED	0
+#define GS_INTERLACED		1
+
+#define GS_NTSC		2
+#define GS_PAL		3
+#define GS_VESA1A	0x1a
+#define GS_VESA1B	0x1b
+#define GS_VESA1C	0x1c
+#define GS_VESA1D	0x1d
+#define GS_VESA2A	0x2a
+#define GS_VESA2B	0x2b
+#define GS_VESA2C	0x2c
+#define GS_VESA2D	0x2d
+#define GS_VESA2E	0x2e
+#define GS_VESA3B	0x3b
+#define GS_VESA3C	0x3c
+#define GS_VESA3D	0x3d
+#define GS_VESA3E	0x3e
+#define GS_VESA4A	0x4a
+#define GS_VESA4B	0x4b
+#define GS_DTV480P	0x50
+
+#define GS_FIELD		0
+#define GS_FRAME		1
+
+#define GS_PSMCT32		0
+#define GS_PSMCT24		1
+#define GS_PSMCT16		2
+#define GS_PSMCT16S		10
+#define GS_PS_GPU24		18
+
+#define GS_PSMZ32		0
+#define GS_PSMZ24		1
+#define GS_PSMZ16		2
+#define GS_PSMZ16S		10
+
+#define GS_ZTST_NEVER		0
+#define GS_ZTST_ALWAYS		1
+#define GS_ZTST_GREATER		2
+#define GS_ZTST_GEQUAL		3
+
+#define GS_PRIM_POINT		0
+#define GS_PRIM_LINE		1
+#define GS_PRIM_LINE_STRIP	2
+#define GS_PRIM_TRI		3
+#define GS_PRIM_TRI_STRIP	4
+#define GS_PRIM_TRI_FAN		5
+#define GS_PRIM_SPRITE		6
+#define GS_PRIM_NO_SPEC		7
+#define GS_IIP_FLAT		0
+#define GS_IIP_GOURAUD		1
+
+/* GS general purpose registers */
+
+#define GS_PRIM		0x00
+#define GS_RGBAQ	0x01
+#define GS_ST		0x02
+#define GS_UV		0x03
+#define GS_XYZF2	0x04
+#define GS_XYZ2		0x05
+#define GS_TEX0_1	0x06
+#define GS_TEX0_2	0x07
+#define GS_CLAMP_1	0x08
+#define GS_CLAMP_2	0x09
+#define GS_FOG		0x0a
+#define GS_XYZF3	0x0c
+#define GS_XYZ3		0x0d
+#define GS_TEX1_1	0x14
+#define GS_TEX1_2	0x15
+#define GS_TEX2_1	0x16
+#define GS_TEX2_2	0x17
+#define GS_XYOFFSET_1	0x18
+#define GS_XYOFFSET_2	0x19
+#define GS_PRMODECONT	0x1a
+#define GS_PRMODE	0x1b
+#define GS_TEXCLUT	0x1c
+#define GS_SCANMSK	0x22
+#define GS_MIPTBP1_1	0x34
+#define GS_MIPTBP1_2	0x35
+#define GS_MIPTBP2_1	0x36
+#define GS_MIPTBP2_2	0x37
+#define GS_TEXA		0x3b
+#define GS_FOGCOL	0x3d
+#define GS_TEXFLUSH	0x3f
+#define GS_SCISSOR_1	0x40
+#define GS_SCISSOR_2	0x41
+#define GS_ALPHA_1	0x42
+#define GS_ALPHA_2	0x43
+#define GS_DIMX		0x44
+#define GS_DTHE		0x45
+#define GS_COLCLAMP	0x46
+#define GS_TEST_1	0x47
+#define GS_TEST_2	0x48
+#define GS_PABE		0x49
+#define GS_FBA_1	0x4a
+#define GS_FBA_2	0x4b
+#define GS_FRAME_1	0x4c
+#define GS_FRAME_2	0x4d
+#define GS_ZBUF_1	0x4e
+#define GS_ZBUF_2	0x4f
+#define GS_BITBLTBUF	0x50
+#define GS_TRXPOS	0x51
+#define GS_TRXREG	0x52
+#define GS_TRXDIR	0x53
+#define GS_HWREG	0x54
+#define GS_SIGNAL	0x60
+#define GS_FINISH	0x61
+#define GS_LABEL	0x62
+
+typedef union
+{
+	struct {
+		uint64 EN1 : 1;
+		uint64 EN2 : 1;
+		uint64 CRTMD : 3;
+		uint64 MMOD : 1;
+		uint64 AMOD : 1;
+		uint64 SLBG : 1;
+		uint64 ALP : 8;
+	} f;
+	uint64 d;
+} GsPmode;
+
+#define GS_MAKE_PMODE(EN1,EN2,MMOD,AMOD,SLBG,ALP) \
+	(BIT64(EN1,0) | BIT64(EN2,1) | BIT64(1,2) | \
+	 BIT64(MMOD,5) | BIT64(AMOD,6) | BIT64(SLBG,7) | BIT64(ALP,8))
+
+typedef union
+{
+	struct {
+		uint64 INT : 1;
+		uint64 FFMD : 1;
+		uint64 DPMS : 2;
+	} f;
+	uint64 d;
+} GsSmode2;
+
+#define GS_MAKE_SMODE2(INT,FFMD,DPMS) \
+	(BIT64(INT,0) | BIT64(FFMD,1) | BIT64(DPMS,2))
+
+typedef union
+{
+	struct {
+		uint64 FBP : 9;
+		uint64 FBW : 6;
+		uint64 PSM : 5;
+		uint64 : 12;
+		uint64 DBX : 11;
+		uint64 DBY : 11;
+	} f;
+	uint64 d;
+} GsDispfb;
+
+#define GS_MAKE_DISPFB(FBP,FBW,PSM,DBX,DBY) \
+	(BIT64(FBP,0) | BIT64(FBW,9) | BIT64(PSM,15) | \
+	 BIT64(DBX,32) | BIT64(DBY,43))
+
+typedef union
+{
+	struct {
+		uint64 DX : 12;
+		uint64 DY : 11;
+		uint64 MAGH : 4;
+		uint64 MAGV : 2;
+		uint64 : 3;
+		uint64 DW : 12;
+		uint64 DH : 11;
+	} f;
+	uint64 d;
+} GsDisplay;
+
+#define GS_MAKE_DISPLAY(DX,DY,MAGH,MAGV,DW,DH) \
+	(BIT64(DX,0) | BIT64(DY,12) | BIT64(MAGH,23) | \
+	 BIT64(MAGV,27) | BIT64(DW,32) | BIT64(DH,44))
+
+typedef union
+{
+	struct {
+		uint64 EXBP : 14;
+		uint64 EXBW : 6;
+		uint64 FBIN : 2;
+		uint64 WFFMD : 1;
+		uint64 EMODA : 2;
+		uint64 EMODC : 2;
+		uint64 : 5;
+		uint64 WDX : 11;
+		uint64 WDY : 11;
+	} f;
+	uint64 d;
+} GsExtbuf;
+
+#define GS_MAKE_EXTBUF(EXBP,EXBW,FBIN,WFFMD,EMODA,EMODC,WDX,WDY) \
+	(BIT64(EXBP,0) | BIT64(EXBW,14) | BIT64(FBIN,20) | \
+	 BIT64(WFFMD,22) | BIT64(EMODA,23) | BIT64(EMODC,25) | \
+	 BIT64(WDX,32) | BIT64(WDY,43))
+
+typedef union
+{
+	struct {
+		uint64 SX : 12;
+		uint64 SY : 11;
+		uint64 SMPH : 4;
+		uint64 SMPV : 2;
+		uint64 : 3;
+		uint64 WW : 12;
+		uint64 WH : 11;
+	} f;
+	uint64 d;
+} GsExtdata;
+
+#define GS_MAKE_EXTDATA(SX,SY,SMPH,SMPV,WW,WH) \
+	(BIT64(SX,0) | BIT64(SY,12) | BIT64(SMPH,23) | \
+	 BIT64(SMPV,27) | BIT64(WW,32) | BIT64(WH,44))
+
+typedef union
+{
+	struct {
+		uint64 WRITE : 1;
+	} f;
+	uint64 d;
+} GsExtwrite;
+
+typedef union
+{
+	struct {
+		uint64 R : 8;
+		uint64 G : 8;
+		uint64 B : 8;
+	} f;
+	uint64 d;
+} GsBgcolor;
+
+#define GS_MAKE_BGCOLOR(R,G,B) \
+	(BIT64(R,0) | BIT64(G,8) | BIT64(B,16))
+
+typedef union
+{
+	struct {
+		uint64 SIGNAL : 1;
+		uint64 FINISH : 1;
+		uint64 HSINT : 1;
+		uint64 VSINT : 1;
+		uint64 EDWINT : 1;
+		uint64 : 3;
+		uint64 FLUSH : 1;
+		uint64 RESET : 1;
+		uint64 : 2;
+		uint64 NFIELD : 1;
+		uint64 FIELD : 1;
+		uint64 FIFO : 2;
+		uint64 REV : 8;
+		uint64 ID : 8;
+	} f;
+	uint64 d;
+} GsCsr;
+
+#define GS_CSR_SIGNAL_O	0
+#define GS_CSR_FINISH_O	1
+#define GS_CSR_HSINT_O	2
+#define GS_CSR_VSINT_O	3
+#define GS_CSR_EDWINT_O	4
+#define GS_CSR_FLUSH_O	8
+#define GS_CSR_RESET_O	9
+#define GS_CSR_NFIELD_O	12
+#define GS_CSR_FIELD_O	13
+#define GS_CSR_FIFO_O	14
+#define GS_CSR_REV_O	16
+#define GS_CSR_ID_O	24
+
+typedef union
+{
+	struct {
+		uint64 : 8;
+		uint64 SIGMSK : 1;
+		uint64 FINISHMSK : 1;
+		uint64 HSMSKMSK : 1;
+		uint64 VSMSKMSK : 1;
+		uint64 EDWMSKMSK : 1;
+	} f;
+	uint64 d;
+} GsImr;
+
+typedef union
+{
+	struct {
+		uint64 DIR : 1;
+	} f;
+	uint64 d;
+} GsBusdir;
+
+typedef union
+{
+	struct {
+		uint64 SIGID : 32;
+		uint64 LBLID : 32;
+	} f;
+	uint64 d;
+} GsSiglblid;
+
+
+typedef union
+{
+	struct {
+		uint64 FBP : 9;
+		uint64 : 7;
+		uint64 FBW : 6;
+		uint64 : 2;
+		uint64 PSM : 6;
+		uint64 : 2;
+		uint64 FBMSK : 32;
+	} f;
+	uint64 d;
+} GsFrame;
+
+#define GS_MAKE_FRAME(FBP,FBW,PSM,FBMASK) \
+	(BIT64(FBP,0) | BIT64(FBW,16) | BIT64(PSM,24) | BIT64(FBMASK,32))
+
+typedef union
+{
+	struct {
+		uint64 ZBP : 9;
+		uint64 : 15;
+		uint64 PSM : 4;
+		uint64 : 4;
+		uint64 ZMSDK : 1;
+	} f;
+	uint64 d;
+} GsZbuf;
+
+#define GS_MAKE_ZBUF(ZBP,PSM,ZMSK) \
+	(BIT64(ZBP,0) | BIT64(PSM,24) | BIT64(ZMSK,32))
+
+typedef union
+{
+	struct {
+		uint64 OFX : 16;
+		uint64 : 16;
+		uint64 OFY : 16;
+	} f;
+	uint64 d;
+} GsXyOffset;
+
+#define GS_MAKE_XYOFFSET(OFX,OFY) \
+	(BIT64(OFX,0) | BIT64(OFY,32))
+
+typedef union
+{
+	struct {
+		uint64 SCAX0 : 11;
+		uint64 : 5;
+		uint64 SCAX1 : 11;
+		uint64 : 5;
+		uint64 SCAY0 : 11;
+		uint64 : 5;
+		uint64 SCAY1 : 11;
+	} f;
+	uint64 d;
+} GsScissor;
+
+#define GS_MAKE_SCISSOR(SCAX0,SCAX1,SCAY0,SCAY1) \
+	(BIT64(SCAX0,0) | BIT64(SCAX1,16) | BIT64(SCAY0,32) | BIT64(SCAY1,48))
+
+#define GS_MAKE_TEST(ATE,ATST,AREF,AFAIL,DATE,DATM,ZTE,ZTST) \
+	(BIT64(ATE,0) | BIT64(ATST,1) | BIT64(AREF,4) | BIT64(AFAIL,12) | \
+	 BIT64(DATE,14) | BIT64(DATM,15) | BIT64(ZTE,16) | BIT64(ZTST,17))
+
+#define GS_MAKE_PRIM(PRIM,IIP,TME,FGE,ABE,AA1,FST,CTXT,FIX) \
+	(BIT64(PRIM,0) | BIT64(IIP,3) | BIT64(TME,4) | BIT64(FGE,5) | \
+	 BIT64(ABE,6) | BIT64(AA1,7) | BIT64(FST,8) | BIT64(CTXT,9) | BIT64(FIX,10))
+
+#define GS_MAKE_RGBAQ(R,G,B,A,Q) \
+	(BIT64(R,0) | BIT64(G,8) | BIT64(B,16) | BIT64(A,24) | BIT64(Q,32))
+
+#define GS_MAKE_XYZ(X,Y,Z) \
+	(BIT64(X,0) | BIT64(Y,16) | BIT64(Z,32))
+
+#define GIF_PACKED	0
+#define GIF_REGLIST	1
+#define GIF_IMAGE	2
+
+#define GIF_MAKE_TAG(NLOOP,EOP,PRE,PRIM,FLG,NREG) \
+	(BIT64(NLOOP,0) | BIT64(EOP,15) | BIT64(PRE,46) | \
+	 BIT64(PRIM,47) | BIT64(FLG,58) | BIT64(NREG,60))
+
+/* This is global and not tied to a user context because
+ * it is set up by kernel functions and not really changed
+ * afterwards. */
+typedef struct GsCrtState GsCrtState;
+struct GsCrtState
+{
+	short inter, mode, ff;
+};
+extern GsCrtState gsCrtState;
+
+typedef struct GsDispCtx GsDispCtx;
+struct GsDispCtx
+{
+	// two circuits
+	GsPmode pmode;
+	GsDispfb dispfb1;
+	GsDispfb dispfb2;
+	GsDisplay display1;
+	GsDisplay display2;
+	GsBgcolor bgcolor;
+};
+
+typedef struct GsDrawCtx GsDrawCtx;
+struct GsDrawCtx
+{
+	//two contexts
+	uint128 gifTag;
+	GsFrame frame1;
+	uint64  ad_frame1;
+	GsFrame frame2;
+	uint64  ad_frame2;
+	GsZbuf  zbuf1;
+	uint64  ad_zbuf1;
+	GsZbuf  zbuf2;
+	uint64  ad_zbuf2;
+	GsXyOffset xyoffset1;
+	uint64  ad_xyoffset1;
+	GsXyOffset xyoffset2;
+	uint64  ad_xyoffset2;
+	GsScissor scissor1;
+	uint64 ad_scissor1;
+	GsScissor scissor2;
+	uint64 ad_scissor2;
+};
+
+typedef struct GsCtx GsCtx;
+struct GsCtx
+{
+	// display context; two buffers
+	GsDispCtx disp[2];
+	// draw context; two buffers
+	GsDrawCtx draw[2];
+};
diff --git a/tools/ps2test/main.cpp b/tools/ps2test/main.cpp
new file mode 100755
index 0000000..6eb0f25
--- /dev/null
+++ b/tools/ps2test/main.cpp
@@ -0,0 +1,788 @@
+#include <cstdio>
+#include <cassert>
+#include <cerrno>
+
+#define PAL
+
+#include <rw.h>
+using rw::uint8;
+using rw::uint16;
+using rw::uint32;
+using rw::uint64;
+using rw::int8;
+using rw::int16;
+using rw::int32;
+using rw::int64;
+using rw::bool32;
+using rw::float32;
+typedef uint8 uchar;
+typedef uint16 ushort;
+typedef uint32 uint;
+
+#define WIDTH 640
+#ifdef PAL
+#define HEIGHT 512
+#define VMODE GS_PAL
+#else
+#define HEIGHT 448
+#define VMODE GS_NTSC
+#endif
+
+#include "ps2.h"
+
+// getting undefined references otherwise :/
+int *__errno() { return &errno; }
+
+// NONINTERLACED and FRAME have half of the FIELD vertical resolution!
+// NONINTERLACED has half the vertical units
+
+uint128 packetbuf[128];
+uint128 vuXYZScale;
+uint128 vuXYZOffset;
+extern uint32 geometryCall[];
+extern uint32 skinPipe[];
+
+uint128 *curVifPtr;
+uint128 lightpacket[128];
+int32 numLightQ;
+
+
+
+rw::World *world;
+rw::Camera *camera;
+
+
+int frames;
+
+void
+printquad(uint128 p)
+{
+	uint64 *lp;
+	lp = (uint64*)&p;
+	printf("%016lx %016lx\n", lp[1], lp[0]);
+}
+
+void
+printquad4(uint128 p)
+{
+	uint32 *lp;
+	lp = (uint32*)&p;
+	printf("%08x %08x %08x %08x\n", lp[0], lp[1], lp[2], lp[3]);
+}
+
+void
+dump4(uint128 *p, int n)
+{
+printf("data at %p\n", p);
+	while(n--)
+		printquad4(*p++);
+}
+
+struct DmaChannel {
+	uint32 chcr; uint32 pad0[3];
+	uint32 madr; uint32 pad1[3];
+	uint32 qwc;  uint32 pad2[3];
+	uint32 tadr; uint32 pad3[3];
+	uint32 asr0; uint32 pad4[3];
+	uint32 asr1; uint32 pad5[3];
+	uint32 pad6[8];
+	uint32 sadr;
+};
+
+static struct DmaChannel *dmaChannels[] = {
+	(struct DmaChannel *) &D0_CHCR,
+	(struct DmaChannel *) &D1_CHCR,
+	(struct DmaChannel *) &D2_CHCR,
+	(struct DmaChannel *) &D3_CHCR,
+	(struct DmaChannel *) &D4_CHCR,
+	(struct DmaChannel *) &D5_CHCR,
+	(struct DmaChannel *) &D6_CHCR,
+	(struct DmaChannel *) &D7_CHCR,
+	(struct DmaChannel *) &D8_CHCR,
+	(struct DmaChannel *) &D9_CHCR
+};
+
+void
+dmaReset(void)
+{
+	/* don't clear the SIF channels */
+	int doclear[] = { 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
+	int i;
+
+	D_CTRL = 0;
+	for(i = 0; i < 10; i++)
+		if(doclear[i]){
+			dmaChannels[i]->chcr = 0;
+			dmaChannels[i]->madr = 0;
+			dmaChannels[i]->qwc = 0;
+			dmaChannels[i]->tadr = 0;
+			dmaChannels[i]->asr0 = 0;
+			dmaChannels[i]->asr1 = 0;
+			dmaChannels[i]->sadr = 0;
+		}
+	D_CTRL = 1;
+}
+
+void
+waitDMA(volatile uint32 *chcr)
+{
+	while(*chcr & (1<<8));
+}
+
+void
+qwcpy(uint128 *dst, uint128 *src, int n)
+{
+	while(n--) *dst++ = *src++;
+}
+
+void
+toGIF(void *src, int n)
+{
+	FlushCache(0);
+	D2_QWC = n;
+	D2_MADR = (uint32)src;
+	D2_CHCR = 1<<8;
+	waitDMA(&D2_CHCR);
+}
+
+void
+toGIFchain(void *src)
+{
+	FlushCache(0);
+	D2_QWC = 0;
+	D2_TADR = (uint32)src & 0x0FFFFFFF;
+	D2_CHCR = 1<<0 | 1<<2 | 1<<6 | 1<<8;
+	waitDMA(&D2_CHCR);
+}
+
+void
+toVIF1chain(void *src)
+{
+	FlushCache(0);
+	D1_QWC = 0;
+	D1_TADR = (uint32)src & 0x0FFFFFFF;
+	D1_CHCR = 1<<0 | 1<<2 | 1<<6 | 1<<8;
+	waitDMA(&D1_CHCR);
+}
+
+
+GsCrtState gsCrtState;
+
+int psmsizemap[64] = {
+	4,	// GS_PSMCT32
+	4,	// GS_PSMCT24
+	2,	// GS_PSMCT16
+	0, 0, 0, 0, 0, 0, 0,
+	2,	// GS_PSMCT16S
+	0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	4,	// GS_PSMZ32
+	4,	// GS_PSMZ24
+	2,	// GS_PSMZ16
+	2,	// GS_PSMZ16S
+	0, 0, 0, 0, 0
+};
+
+void
+GsResetCrt(uchar inter, uchar mode, uchar ff)
+{
+	gsCrtState.inter = inter;
+	gsCrtState.mode = mode;
+	gsCrtState.ff = ff;
+	GS_CSR = 1 << GS_CSR_RESET_O;
+	__asm__("sync.p; nop");
+	GsPutIMR(0xff00);
+	SetGsCrt(gsCrtState.inter, gsCrtState.mode, gsCrtState.ff);
+}
+
+uint gsAllocPtr = 0;
+
+void
+GsInitDispCtx(GsDispCtx *disp, int width, int height, int psm)
+{
+	int magh, magv;
+	int dx, dy;
+	int dw, dh;
+
+	dx = gsCrtState.mode == GS_NTSC ? 636 : 656;
+	dy = gsCrtState.mode == GS_NTSC ? 25 : 36;
+	magh = 2560/width - 1;
+	magv = 0;
+	dw = 2560-1;
+	dh = height-1;
+
+	if(gsCrtState.inter == GS_INTERLACED){
+		dy *= 2;
+		if(gsCrtState.ff == GS_FRAME)
+			dh = (dh+1)*2-1;
+	}
+
+	disp->pmode.d = GS_MAKE_PMODE(0, 1, 1, 1, 0, 0x00);
+//	disp->bgcolor.d = 0x404040;
+	disp->bgcolor.d = 0x000000;
+	disp->dispfb1.d = 0;
+	disp->dispfb2.d = GS_MAKE_DISPFB(0, width/64, psm, 0, 0);
+	disp->display1.d = 0;
+	disp->display2.d = GS_MAKE_DISPLAY(dx, dy, magh, magv, dw, dh);
+}
+
+void
+GsPutDispCtx(GsDispCtx *disp)
+{
+	GS_PMODE = disp->pmode.d;
+	GS_DISPFB1 = disp->dispfb1.d;
+	GS_DISPLAY1 = disp->display1.d;
+	GS_DISPFB2 = disp->dispfb2.d;
+	GS_DISPLAY2 = disp->display2.d;
+	GS_BGCOLOR = disp->bgcolor.d;
+}
+
+void
+GsInitDrawCtx(GsDrawCtx *draw, int width, int height, int psm, int zpsm)
+{
+	MAKE128(draw->gifTag, 0xe,
+		GIF_MAKE_TAG(8, 1, 0, 0, GIF_PACKED, 1));
+	draw->frame1.d = GS_MAKE_FRAME(0, width/64, psm, 0);
+	draw->ad_frame1 = GS_FRAME_1;
+	draw->frame2.d = draw->frame1.d;
+	draw->ad_frame2 = GS_FRAME_2;
+	draw->zbuf1.d = GS_MAKE_ZBUF(0, zpsm, 0);
+	draw->ad_zbuf1 = GS_ZBUF_1;
+	draw->zbuf2.d = draw->zbuf1.d;
+	draw->ad_zbuf2 = GS_ZBUF_2;
+	draw->xyoffset1.d = GS_MAKE_XYOFFSET(2048<<4, 2048<<4);
+	draw->ad_xyoffset1 = GS_XYOFFSET_1;
+	draw->xyoffset2.d = draw->xyoffset1.d;
+	draw->ad_xyoffset2 = GS_XYOFFSET_2;
+	draw->scissor1.d = GS_MAKE_SCISSOR(0, width-1, 0, height-1);
+	draw->ad_scissor1 = GS_SCISSOR_1;
+	draw->scissor2.d = draw->scissor1.d;
+	draw->ad_scissor2 = GS_SCISSOR_2;
+}
+
+void
+GsPutDrawCtx(GsDrawCtx *draw)
+{
+//	printquad(*(uint128*)&draw->frame1);
+	toGIF(draw, 9);
+}
+
+void
+GsInitCtx(GsCtx *ctx, int width, int height, int psm, int zpsm)
+{
+	uint fbsz, zbsz;
+	uint fbp, zbp;
+	fbsz = (width*height*psmsizemap[psm] + 2047)/2048;
+	zbsz = (width*height*psmsizemap[0x30|zpsm] + 2047)/2048;
+	gsAllocPtr = 2*fbsz + zbsz;
+	fbp = fbsz;
+	zbp = fbsz*2;
+
+	GsInitDispCtx(&ctx->disp[0], width, height, psm);
+	GsInitDispCtx(&ctx->disp[1], width, height, psm);
+	GsInitDrawCtx(&ctx->draw[0], width, height, psm, zpsm);
+	GsInitDrawCtx(&ctx->draw[1], width, height, psm, zpsm);
+	ctx->disp[1].dispfb2.f.FBP = fbp/4;
+	ctx->draw[0].frame1.f.FBP = fbp/4;
+	ctx->draw[0].frame2.f.FBP = fbp/4;
+	ctx->draw[0].zbuf1.f.ZBP = zbp/4;
+	ctx->draw[0].zbuf2.f.ZBP = zbp/4;
+	ctx->draw[1].zbuf1.f.ZBP = zbp/4;
+	ctx->draw[1].zbuf2.f.ZBP = zbp/4;
+}
+
+void
+initrender(void)
+{
+	uint128 *p, tmp;
+	p = packetbuf;
+	MAKE128(tmp, 0xe, GIF_MAKE_TAG(2, 1, 0, 0, GIF_PACKED, 1));
+	*p++ = tmp;
+	MAKE128(tmp, GS_PRMODECONT, 1);
+	*p++ = tmp;
+	MAKE128(tmp, GS_COLCLAMP, 1);
+	*p++ = tmp;
+	toGIF(packetbuf, 3);
+}
+
+void
+clearscreen(int r, int g, int b)
+{
+	int x, y;
+	uint128 *p, tmp;
+	p = packetbuf;
+
+	x = (2048 + WIDTH)<<4;
+	y = (2048 + HEIGHT)<<4;
+
+	MAKE128(tmp, 0xe, GIF_MAKE_TAG(5, 1, 0, 0, GIF_PACKED, 1));
+	*p++ = tmp;
+	MAKE128(tmp, GS_TEST_1, GS_MAKE_TEST(0, 0, 0, 0, 0, 0, 1, 1));
+	*p++ = tmp;
+	MAKE128(tmp, GS_PRIM, GS_MAKE_PRIM(GS_PRIM_SPRITE,0,0,0,0,0,0,0,0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_RGBAQ, GS_MAKE_RGBAQ(r, g, b, 0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(2048<<4, 2048<<4, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x, y, 0));
+	*p++ = tmp;
+	toGIF(packetbuf, 6);
+}
+
+void
+drawtest(void)
+{
+	int x0, x1, x2, x3;
+	int y0, y1, y2;
+	uint128 *p, tmp;
+	int n;
+
+	x0 = 2048<<4;
+	x1 = (2048 + 210)<<4;
+	x2 = (2048 + 430)<<4;
+	x3 = (2048 + 640)<<4;
+	y0 = 2048<<4;
+	y1 = (2048 + 224)<<4;
+	y2 = (2048 + 448)<<4;
+
+	n = 2 + 3*7;
+	p = packetbuf;
+	MAKEQ(tmp, 0x70000000 | n+1, 0, 0, 0);
+	*p++ = tmp;
+	MAKE128(tmp, 0xe, GIF_MAKE_TAG(n, 1, 0, 0, GIF_PACKED, 1));
+	*p++ = tmp;
+	MAKE128(tmp, GS_TEST_1, GS_MAKE_TEST(0, 0, 0, 0, 0, 0, 1, 1));
+	*p++ = tmp;
+	MAKE128(tmp, GS_PRIM, GS_MAKE_PRIM(GS_PRIM_SPRITE,0,0,0,0,0,0,0,0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_RGBAQ, GS_MAKE_RGBAQ(255, 0, 0, 0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x0, y0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x1, y1, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_RGBAQ, GS_MAKE_RGBAQ(0, 255, 0, 0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x1, y0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x2, y1, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_RGBAQ, GS_MAKE_RGBAQ(0, 0, 255, 0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x2, y0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x3, y1, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_RGBAQ, GS_MAKE_RGBAQ(0, 255, 255, 0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x0, y1, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x1, y2, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_RGBAQ, GS_MAKE_RGBAQ(255, 0, 255, 0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x1, y1, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x2, y2, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_RGBAQ, GS_MAKE_RGBAQ(255, 255, 0, 0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x2, y1, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x3, y2, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_RGBAQ, GS_MAKE_RGBAQ(255, 255, 255, 0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ((2048+20)<<4, y0, 0));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYZ2, GS_MAKE_XYZ(x3, (2048+20)<<4, 0));
+	*p++ = tmp;
+	toGIFchain(packetbuf);
+}
+
+void
+drawtri(void)
+{
+	uint128 *p, tmp;
+	uint32 *ip;
+	int nverts, n;
+
+	nverts = 3;
+	n = 2*nverts;
+	p = packetbuf;
+	MAKEQ(tmp, 0x70000000 | n+1, 0, 0, 0);
+	*p++ = tmp;
+	MAKE128(tmp, (0x5<<4) | 0x1,
+	        GIF_MAKE_TAG(nverts, 1, 1, GS_MAKE_PRIM(GS_PRIM_TRI, 1, 0, 0, 0, 0, 0, 0, 0), GIF_PACKED, 2));
+	*p++ = tmp;
+	MAKEQ(tmp, 255, 0, 0, 0);
+	*p++ = tmp;
+	MAKEQ(tmp, (2048+85)<<4, (2048+70)<<4, 0, 0);
+	*p++ = tmp;
+	MAKEQ(tmp, 0, 255, 0, 0);
+	*p++ = tmp;
+	MAKEQ(tmp, (2048+260)<<4, (2048+200)<<4, 0, 0);
+	*p++ = tmp;
+	MAKEQ(tmp, 0, 0, 255, 0);
+	*p++ = tmp;
+	MAKEQ(tmp, (2048+180)<<4, (2048+350)<<4, 0, 0);
+	*p++ = tmp;
+	toGIFchain(packetbuf);
+}
+
+void
+printMatrix(rw::Matrix *m)
+{
+	rw::V3d *x = &m->right;
+	rw::V3d *y = &m->up;
+	rw::V3d *z = &m->at;
+	rw::V3d *w = &m->pos;
+        printf(
+                  "[ [ %8.4f, %8.4f, %8.4f, %8.4f ]\n"
+                  "  [ %8.4f, %8.4f, %8.4f, %8.4f ]\n"
+                  "  [ %8.4f, %8.4f, %8.4f, %8.4f ]\n"
+                  "  [ %8.4f, %8.4f, %8.4f, %8.4f ] ]\n"
+                  "  %08x == flags\n",
+		  x->x, y->x, z->x, w->x,
+		  x->y, y->y, z->y, w->y,
+		  x->z, y->z, z->z, w->z,
+		  0.0f, 0.0f, 0.0f, 1.0f,
+                  m->flags);
+}
+
+// This is not proper data, just for testing
+void
+setupLight(rw::Atomic *atomic)
+{
+	using namespace rw;
+	Matrix *lightmat;
+	float32 *lp;
+
+	numLightQ = 0;
+	lp = (float32*)lightpacket;
+
+	// TODO: this is the wrong matrix. we actually want to
+	// transform the light, not all normals.
+	lightmat = atomic->getFrame()->getLTM();
+	*lp++ = lightmat->right.x;
+	*lp++ = lightmat->right.y;
+	*lp++ = lightmat->right.z;
+	*lp++ = 0.0f;
+	*lp++ = lightmat->up.x;
+	*lp++ = lightmat->up.y;
+	*lp++ = lightmat->up.z;
+	*lp++ = 0.0f;
+	*lp++ = lightmat->at.x;
+	*lp++ = lightmat->at.y;
+	*lp++ = lightmat->at.z;
+	*lp++ = 0.0f;
+	*lp++ = lightmat->pos.x;
+	*lp++ = lightmat->pos.y;
+	*lp++ = lightmat->pos.z;
+	*lp++ = 1.0f;
+	// TODO: make a proper light block
+	// ambient
+	*lp++ = 80.0f;
+	*lp++ = 80.0f;
+	*lp++ = 80.0f;
+	*lp++ = 0.0f;
+	// directional
+	*lp++ = 0.5f;
+	*lp++ = -0.5f;
+	*lp++ = -0.7071f;
+	*lp++ = 0.0f;
+	numLightQ = 6;
+}
+
+void
+setupTransform(rw::Atomic *atomic, rw::Matrix *trans)
+{
+	rw::Matrix::mult(trans, atomic->getFrame()->getLTM(), &camera->viewMatrix);
+}
+
+enum {
+	DMAcnt       = 0x10000000,
+	DMAref       = 0x30000000,
+	DMAcall      = 0x50000000,
+	DMAret       = 0x60000000,
+	DMAend       = 0x70000000,
+
+	V4_32 = 0x6C
+};
+
+#define UNPACK(type, nq, offset) ((type)<<24 | (nq)<<16 | (offset))
+#define STCYCL(WL,CL) (0x01000000 | (WL)<<8 | (CL))
+
+void
+drawAtomic(rw::Atomic *atomic)
+{
+	using namespace rw;
+
+	Matrix trans;
+	Geometry *geo;
+	ps2::ObjPipeline *pipe;
+	ps2::MatPipeline *matpipe;
+	Material *material;
+	uint128 tmp, *lp;
+	uint32 *vec;
+	RGBAf color;
+	int i;
+
+	geo = atomic->geometry;
+	pipe = (ps2::ObjPipeline*)atomic->getPipeline();
+	if(pipe->platform != PLATFORM_PS2)
+		return;
+
+	setupLight(atomic);
+	setupTransform(atomic, &trans);
+
+	curVifPtr = packetbuf;
+	// upload lights
+	MAKEQ(tmp, DMAcnt | numLightQ+8, 0, STCYCL(4,4), UNPACK(V4_32, numLightQ, 0x3d0));
+	*curVifPtr++ = tmp;
+	for(lp = lightpacket; numLightQ--;)
+		*curVifPtr++ = *lp++;
+
+	// upload transformation matrix
+	MAKEQ(tmp, 0, 0, STCYCL(4,4), UNPACK(V4_32, 4, 0x3f0));
+	*curVifPtr++ = tmp;
+	vec = (uint32*)&trans.right;
+	MAKEQ(tmp, vec[0], vec[1], vec[2], vec[2]);
+	*curVifPtr++ = tmp;
+	vec = (uint32*)&trans.up;
+	MAKEQ(tmp, vec[0], vec[1], vec[2], vec[2]);
+	*curVifPtr++ = tmp;
+	vec = (uint32*)&trans.at;
+	MAKEQ(tmp, vec[0], vec[1], vec[2], vec[2]);
+	*curVifPtr++ = tmp;
+	vec = (uint32*)&trans.pos;
+	MAKEQ(tmp, vec[0], vec[1], vec[2], vec[2]);
+	*curVifPtr++ = tmp;
+
+	// upload camera/screen info
+	MAKEQ(tmp, 0, 0, STCYCL(4,4), UNPACK(V4_32, 2, 0x3f7));
+	*curVifPtr++ = tmp;
+	*curVifPtr++ = vuXYZScale;
+	*curVifPtr++ = vuXYZOffset;
+
+	assert(geo->instData != NULL);
+	rw::ps2::InstanceDataHeader *instData =
+	  (rw::ps2::InstanceDataHeader*)geo->instData;
+	rw::MeshHeader *meshHeader = geo->meshHeader;
+	rw::Mesh *mesh;
+	for(i = 0; i < instData->numMeshes; i++){
+		material = instData->instanceMeshes[i].material;
+		matpipe = pipe->groupPipeline;
+		if(matpipe == nil)
+			matpipe = (ps2::MatPipeline*)material->pipeline;
+		if(matpipe == nil)
+			matpipe = ps2::defaultMatPipe;
+
+		// call vu code
+		MAKEQ(tmp, DMAcall, (uint32)skinPipe, 0, 0);
+		*curVifPtr++ = tmp;
+		// unpack GIF tag, material color, surface properties
+		MAKEQ(tmp, DMAcnt | 3, 0, STCYCL(4,4), UNPACK(V4_32, 3, 0x3fa));
+		*curVifPtr++ = tmp;
+		MAKE128(tmp, 0x412,
+			GIF_MAKE_TAG(0, 1, 1, GS_MAKE_PRIM(GS_PRIM_TRI_STRIP,1,0,0,0,0,0,0,0), GIF_PACKED, 3));
+		*curVifPtr++ = tmp;
+		convColor(&color, &material->color);
+		color.alpha *= 128.0f/255.0f;
+		MAKEQ(tmp, *(uint32*)&color.red, *(uint32*)&color.green,
+			*(uint32*)&color.blue, *(uint32*)&color.alpha);
+		*curVifPtr++ = tmp;
+		MAKEQ(tmp, *(uint32*)&material->surfaceProps.ambient,
+			*(uint32*)&material->surfaceProps.specular,
+			*(uint32*)&material->surfaceProps.diffuse,
+			0.0f);	// extra
+		*curVifPtr++ = tmp;
+		// call geometry
+		MAKEQ(tmp, DMAcall, (uint32)instData->instanceMeshes[i].data, 0x03000000, 0x02000000 | matpipe->vifOffset);
+		*curVifPtr++ = tmp;
+	}
+	MAKEQ(tmp, DMAend, 0, 0, 0);
+	*curVifPtr++ = tmp;
+//	for(lp = packetbuf; lp < curVifPtr; lp++)
+//		printquad4(*lp);
+	toVIF1chain(packetbuf);
+}
+
+void
+beginCamera(void)
+{
+	uint128 *p, tmp;
+	float32 *f;
+
+	p = packetbuf;
+	MAKE128(tmp, 0xe, GIF_MAKE_TAG(2, 1, 0, 0, GIF_PACKED, 1));
+	*p++ = tmp;
+	MAKE128(tmp, GS_XYOFFSET_1, GS_MAKE_XYOFFSET(2048-WIDTH/2 <<4, 2048-HEIGHT/2 <<4));
+	*p++ = tmp;
+	MAKE128(tmp, GS_TEST_1, GS_MAKE_TEST(0, 0, 0, 0, 0, 0, 1, 2));
+	*p++ = tmp;
+	toGIF(packetbuf, 3);
+	f = (float32*)&vuXYZScale;
+	f[0] = WIDTH;
+	f[1] = HEIGHT;
+	f[2] = camera->zScale;
+	f[3] = 0.0f;
+	f = (float32*)&vuXYZOffset;
+	f[0] = 2048.0f;
+	f[1] = 2048.0f;
+	f[2] = camera->zShift;
+	f[3] = 0.0f;
+}
+
+rw::EngineOpenParams engineOpenParams;
+
+void
+pluginattach(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+}
+
+bool32
+initrw(void)
+{
+	rw::version = 0x34000;
+	rw::platform = rw::PLATFORM_PS2;
+	if(!rw::Engine::init())
+		return 0;
+	pluginattach();
+	if(!rw::Engine::open(&engineOpenParams))
+		return 0;
+	if(!rw::Engine::start())
+		return 0;
+	rw::Texture::setLoadTextures(0);
+
+	rw::TexDictionary::setCurrent(rw::TexDictionary::create());
+	rw::Image::setSearchPath(".");
+
+	world = rw::World::create();
+	camera = rw::Camera::create();
+	camera->frameBuffer = rw::Raster::create(WIDTH, HEIGHT, 0, rw::Raster::CAMERA);
+	camera->zBuffer = rw::Raster::create(WIDTH, HEIGHT, 0, rw::Raster::ZBUFFER);
+	camera->setFrame(rw::Frame::create());
+	rw::V3d t = { 0.0f, 0.0f, -4.0f };
+//	rw::V3d t = { 0.0f, 0.0f, -40.0f };
+	camera->getFrame()->translate(&t, rw::COMBINEPOSTCONCAT);
+	rw::V3d axis = { 0.0f, 1.0f, 0.0f };
+	camera->getFrame()->rotate(&axis, 40.0f, rw::COMBINEPOSTCONCAT);
+	camera->setNearPlane(0.1f);
+	camera->setFarPlane(450.0f);
+	camera->setFOV(60.0f, 4.0f/3.0f);
+	world->addCamera(camera);
+	return 1;
+}
+
+int vsynchInt = 0;
+
+int
+vsynch(int id)
+{
+	vsynchInt = 1;
+	frames++;
+	ExitHandler();
+	return 0;
+}
+
+int
+main()
+{
+	FlushCache(0);
+	if(!initrw()){
+		printf("init failed!\n");	
+		for(;;);
+	}
+
+	rw::uint32 len;
+	rw::uint8 *data = rw::getFileContents("host:player.DFF", &len);
+//	rw::uint8 *data = rw::getFileContents("host:od_newscafe_dy.dff", &len);
+	rw::StreamMemory in;
+	in.open(data, len);
+	rw::findChunk(&in, rw::ID_CLUMP, NULL, NULL);
+	rw::Clump *clump = rw::Clump::streamRead(&in);
+	in.close();
+	rwFree(data);
+
+	GsCtx gsCtx;
+
+	dmaReset();
+
+//	GsResetCrt(GS_NONINTERLACED, GS_NTSC, 0);
+//	GsInitCtx(&gsCtx, 640, 224, GS_PSMCT32, GS_PSMZ32);
+
+//	GsResetCrt(GS_INTERLACED, GS_NTSC, GS_FRAME);
+//	GsInitCtx(&gsCtx, 640, 224, GS_PSMCT32, GS_PSMZ32);
+
+	GsResetCrt(GS_INTERLACED, VMODE, GS_FIELD);
+	GsInitCtx(&gsCtx, WIDTH, HEIGHT, GS_PSMCT32, GS_PSMZ32);
+
+	initrender();
+
+	AddIntcHandler(2, vsynch, 0);
+	EnableIntc(2);
+
+	GsPutDrawCtx(&gsCtx.draw[0]);
+	GsPutDispCtx(&gsCtx.disp[1]);
+	// PCSX2 needs a delay for some reason
+	{ int i; for(i = 0; i < 1000000; i++); }
+	clearscreen(0x80, 0x80, 0x80);
+//	drawtest();
+//	drawtri();
+
+	float angle = 40.0f;
+	int drawbuf = 0;
+	int dispbuf = 1;
+	for(;;){
+		clearscreen(0x80, 0x80, 0x80);
+
+		rw::V3d t = { 0.0f, 0.0f, -4.0f };
+		camera->getFrame()->translate(&t, rw::COMBINEREPLACE);
+		rw::V3d axis = { 0.0f, 1.0f, 0.0f };
+		camera->getFrame()->rotate(&axis, angle, rw::COMBINEPOSTCONCAT);
+		angle += 1.0f;
+
+		camera->beginUpdate();
+		beginCamera();
+		FORLIST(lnk, clump->atomics)
+			drawAtomic(rw::Atomic::fromClump(lnk));
+		camera->endUpdate();
+		printf("");
+
+		while(vsynchInt == 0);
+		GsPutDrawCtx(&gsCtx.draw[drawbuf]);
+		GsPutDispCtx(&gsCtx.disp[dispbuf]);
+		drawbuf = !drawbuf;
+		dispbuf = !dispbuf;
+		vsynchInt = 0;
+	}
+/*
+	camera->beginUpdate();
+	beginCamera();
+	FORLIST(lnk, clump->atomics)
+		drawAtomic(rw::Atomic::fromClump(lnk));
+	camera->endUpdate();
+
+	printf("hello %p\n", clump);
+	for(;;)
+		printf("");
+*/
+
+	return 0;
+}
diff --git a/tools/ps2test/mem.h b/tools/ps2test/mem.h
new file mode 100644
index 0000000..088c1d4
--- /dev/null
+++ b/tools/ps2test/mem.h
@@ -0,0 +1,95 @@
+/* FIFOs */
+#define VIF0_FIFO	(*(volatile uint128*)0x10004000)
+#define VIF1_FIFO	(*(volatile uint128*)0x10005000)
+#define GIF_FIFO	(*(volatile uint128*)0x10006000)
+#define IPU_out_FIFO	(*(volatile uint128*)0x10007000)
+#define IPU_in_FIFO	(*(volatile uint128*)0x10007010)
+
+/* DMA channels */
+// to VIF0
+#define D0_CHCR		(*(volatile uint32*)0x10008000)
+#define D0_MADR		(*(volatile uint32*)0x10008010)
+#define D0_QWC		(*(volatile uint32*)0x10008020)
+#define D0_TADR		(*(volatile uint32*)0x10008030)
+#define D0_ASR0		(*(volatile uint32*)0x10008040)
+#define D0_ASR1		(*(volatile uint32*)0x10008050)
+// VIF1
+#define D1_CHCR		(*(volatile uint32*)0x10009000)
+#define D1_MADR		(*(volatile uint32*)0x10009010)
+#define D1_QWC		(*(volatile uint32*)0x10009020)
+#define D1_TADR		(*(volatile uint32*)0x10009030)
+#define D1_ASR0		(*(volatile uint32*)0x10009040)
+#define D1_ASR1		(*(volatile uint32*)0x10009050)
+// to GIF
+#define D2_CHCR		(*(volatile uint32*)0x1000a000)
+#define D2_MADR		(*(volatile uint32*)0x1000a010)
+#define D2_QWC		(*(volatile uint32*)0x1000a020)
+#define D2_TADR		(*(volatile uint32*)0x1000a030)
+#define D2_ASR0		(*(volatile uint32*)0x1000a040)
+#define D2_ASR1		(*(volatile uint32*)0x1000a050)
+// fromIPU
+#define D3_CHCR		(*(volatile uint32*)0x1000b000)
+#define D3_MADR		(*(volatile uint32*)0x1000b010)
+#define D3_QWC		(*(volatile uint32*)0x1000b020)
+// toIPU
+#define D4_CHCR		(*(volatile uint32*)0x1000b400)
+#define D4_MADR		(*(volatile uint32*)0x1000b410)
+#define D4_QWC		(*(volatile uint32*)0x1000b420)
+#define D4_TADR		(*(volatile uint32*)0x1000b430)
+// from SIF0
+#define D5_CHCR		(*(volatile uint32*)0x1000c000)
+#define D5_MADR		(*(volatile uint32*)0x1000c010)
+#define D5_QWC		(*(volatile uint32*)0x1000c020)
+// to SIF1
+#define D6_CHCR		(*(volatile uint32*)0x1000c400)
+#define D6_MADR		(*(volatile uint32*)0x1000c410)
+#define D6_QWC		(*(volatile uint32*)0x1000c420)
+#define D6_TADR		(*(volatile uint32*)0x1000c430)
+// SIF2
+#define D7_CHCR		(*(volatile uint32*)0x1000c800)
+#define D7_MADR		(*(volatile uint32*)0x1000c810)
+#define D7_QWC		(*(volatile uint32*)0x1000c820)
+// fromSPR
+#define D8_CHCR		(*(volatile uint32*)0x1000d000)
+#define D8_MADR		(*(volatile uint32*)0x1000d010)
+#define D8_QWC		(*(volatile uint32*)0x1000d020)
+#define D8_SADR		(*(volatile uint32*)0x1000d080)
+// toSPR
+#define D9_CHCR		(*(volatile uint32*)0x1000d400)
+#define D9_MADR		(*(volatile uint32*)0x1000d410)
+#define D9_QWC		(*(volatile uint32*)0x1000d420)
+#define D9_TADR		(*(volatile uint32*)0x1000d430)
+#define D9_SADR		(*(volatile uint32*)0x1000d480)
+
+/* DMA controller */
+#define D_CTRL		(*(volatile uint32*)0x1000e000)
+#define D_STAT		(*(volatile uint32*)0x1000e010)
+#define D_PCR		(*(volatile uint32*)0x1000e020)
+#define D_SQWC		(*(volatile uint32*)0x1000e030)
+#define D_RBSR		(*(volatile uint32*)0x1000e040)
+#define D_RBOR		(*(volatile uint32*)0x1000e050)
+#define D_STADR		(*(volatile uint32*)0x1000e060)
+#define D_ENABLER	(*(volatile uint32*)0x1000f520)
+#define D_ENABLEW	(*(volatile uint32*)0x1000f590)
+
+
+/* GS privileged registers */
+#define GS_PMODE	(*(volatile uint64*)0x12000000)
+#define GS_SMODE1	(*(volatile uint64*)0x12000010)
+#define GS_SMODE2	(*(volatile uint64*)0x12000020)
+#define GS_SRFSH	(*(volatile uint64*)0x12000030)
+#define GS_SYNCH1	(*(volatile uint64*)0x12000040)
+#define GS_SYNCH2	(*(volatile uint64*)0x12000050)
+#define GS_SYNCV	(*(volatile uint64*)0x12000060)
+#define GS_DISPFB1	(*(volatile uint64*)0x12000070)
+#define GS_DISPLAY1	(*(volatile uint64*)0x12000080)
+#define GS_DISPFB2	(*(volatile uint64*)0x12000090)
+#define GS_DISPLAY2	(*(volatile uint64*)0x120000a0)
+#define GS_EXTBUF	(*(volatile uint64*)0x120000b0)
+#define GS_EXTDATA	(*(volatile uint64*)0x120000c0)
+#define GS_EXTWRITE	(*(volatile uint64*)0x120000d0)
+#define GS_BGCOLOR	(*(volatile uint64*)0x120000e0)
+#define GS_CSR		(*(volatile uint64*)0x12001000)
+#define GS_IMR		(*(volatile uint64*)0x12001010)
+#define GS_BUSDIR	(*(volatile uint64*)0x12001040)
+#define GS_SIGLBLID	(*(volatile uint64*)0x12001080)
diff --git a/tools/ps2test/ps2.h b/tools/ps2test/ps2.h
new file mode 100644
index 0000000..ced015a
--- /dev/null
+++ b/tools/ps2test/ps2.h
@@ -0,0 +1,23 @@
+#include <kernel.h>
+
+typedef int quad __attribute__((mode(TI)));
+typedef int int128 __attribute__((mode(TI)));
+typedef unsigned int uquad __attribute__((mode(TI)));
+typedef unsigned int uint128 __attribute__((mode(TI)));
+
+#define MAKE128(RES,MSB,LSB) \
+	__asm__ ( "pcpyld %0, %1, %2" : "=r" (RES) : "r" ((uint64)MSB), "r" ((uint64)LSB))
+#define UINT64(LOW,HIGH) (((uint64)HIGH)<<32 | ((uint64)LOW))
+#define MAKEQ(RES,W0,W1,W2,W3) MAKE128(RES,UINT64(W2,W3),UINT64(W0,W1))
+
+#define BIT64(v,s) (((uint64)(v)) << (s))
+
+#include "mem.h"
+#include "gs.h"
+
+extern uint128 packetbuf[128];
+
+void waitDMA(volatile uint32 *chcr);
+void toGIF(void *src, int n);
+
+void drawcube(void);
diff --git a/tools/ps2test/vu/defaultpipe.dsm b/tools/ps2test/vu/defaultpipe.dsm
new file mode 100644
index 0000000..ae3fa39
--- /dev/null
+++ b/tools/ps2test/vu/defaultpipe.dsm
@@ -0,0 +1,93 @@
+.global defaultPipe
+
+.equ vertexTop, 0x3d0
+.equ numInAttribs, 4
+.equ numOutAttribs, 3
+.equ numOutBuf, 2
+.equ vertCount, ((vertexTop-numOutBuf)/(numInAttribs*2+numOutAttribs*numOutBuf))
+.equ offset, (vertCount*numInAttribs)
+.equ outBuf1, (2*offset)
+.equ outSize, ((vertexTop-outBuf1-2)/2)
+.equ outBuf2, (outBuf1+outSize)
+
+.equ lightMat,		0x3d0
+.equ ambientLight, 	0x3d4
+.equ lightDir,		0x3d5
+
+.equ matrix, 		0x3f0
+.equ XYZScale, 		0x3f7
+.equ XYZOffset, 	0x3f8
+.equ gifTag, 		0x3fa
+.equ matColor, 		0x3fb
+.equ surfProps, 	0x3fc
+
+
+.balign 16,0
+defaultPipe:
+DMAret *
+MPG 0, *
+.vu
+Start:
+#include "setup_persp.vu"
+Cnt:
+	NOP				XTOP VI02			; input pointer
+	NOP				LQ VF01, gifTag(VI00)
+	NOP				XITOP VI01			; vertex count
+	NOP				IADDIU VI05, VI00, 0x4000
+	NOP				IADD VI05, VI05, VI05
+	NOP				IOR VI05, VI05, VI01
+	NOP				SQ VF01, 0(VI12)
+	NOP				ISW.x VI05, 0(VI12)
+	NOP				IADDIU VI03, VI12, 1		; output pointer
+	NOP				LQ VF18, lightMat(VI00)
+	NOP				LQ VF19, lightMat+1(VI00)
+	NOP				LQ VF20, lightMat+2(VI00)
+
+Loop:
+	NOP				LQI VF01, (VI02++)		; vertex
+	NOP				LQI VF02, (VI02++)		; UV
+	NOP				LQI VF03, (VI02++)		; color
+	NOP				LQI VF04, (VI02++)		; normal
+
+	MULAw.xyzw ACC, VF31, VF00w	NOP				; transform vertex
+	MADDAx.xyw ACC, VF28, VF01x	NOP
+	MADDAy.xyw ACC, VF29, VF01y	NOP
+	MADDz.xyzw VF01, VF30, VF01z	NOP
+	ITOF0 VF03, VF03		NOP
+	ITOF0[I] VF04, VF04		LOI 0.0078125			; - normal scale
+	NOP				NOP
+	NOP				DIV Q, VF00w, VF01w
+	NOP				WAITQ
+	MULq VF01, VF01, Q		NOP				; perspective division
+	MULi VF04, VF04, I		NOP				; scale normal
+	NOP				MR32.z VF02, VF00
+	NOP				NOP
+	SUB.w VF01, VF01, VF01		NOP
+	MULAx.xyz ACC, VF18, VF04x	NOP				; transform normal
+	MADDAy.xyz ACC, VF19, VF04y	NOP
+	MADDz.xyz VF04, VF20, VF04z	NOP
+	ADD.xyz VF01, VF01, VF25	NOP
+	MULq VF02, VF02, Q		NOP
+	NOP				NOP
+	FTOI0 VF03, VF03		NOP
+	FTOI4 VF01, VF01		NOP
+	NOP				SQ VF04, -2(VI02)		; store normal
+	NOP				IADDI VI01, VI01, -1
+	NOP				SQI VF02, (VI03++)		; STQ
+	NOP				SQI VF03, (VI03++)		; color
+	NOP				SQI VF01, (VI03++)		; vertex
+	NOP				IBNE VI01, VI00, Loop
+	NOP				NOP
+
+#include "light.vu"
+
+	NOP				XGKICK VI12
+	NOP				IADD VI15,VI00,VI12
+	NOP				IADD VI12,VI00,VI13
+	NOP[E]				IADD VI13,VI00,VI15
+	NOP				NOP
+	NOP				B Cnt
+	NOP				NOP
+
+.EndMPG
+.EndDmaData
diff --git a/tools/ps2test/vu/light.vu b/tools/ps2test/vu/light.vu
new file mode 100644
index 0000000..8f7a31c
--- /dev/null
+++ b/tools/ps2test/vu/light.vu
@@ -0,0 +1,94 @@
+; Ambient light:
+	NOP				LQ VF26, ambientLight(VI00)
+	NOP				XITOP VI01
+	NOP				IADDIU VI03, VI12, 2
+Ambloop:
+	NOP				LQ VF03, 0(VI03)	; output color
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	ITOF0 VF03, VF03		NOP
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	ADD.xyz VF03, VF03, VF26	NOP
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	FTOI0 VF03, VF03		NOP
+	NOP				IADDI VI01, VI01, -1
+	NOP				IADDIU VI03, VI03, numOutAttribs
+	NOP				IBNE VI01, VI00, Ambloop
+	NOP				SQ VF03, -numOutAttribs(VI03)
+; end amblight
+
+; Direct Light
+	NOP				LQ VF26, lightDir(VI00)
+	NOP				XITOP VI01
+	NOP				XTOP VI02
+	NOP				IADDIU VI03, VI12, 2
+	SUB.xyz VF26, VF00, VF26	NOP
+Dirloop:
+	NOP				LQ VF01, 3(VI02);	; normal
+	NOP				LQ VF02, 0(VI03);	; output color
+	NOP				NOP
+	NOP				NOP
+	MUL VF03, VF01, VF26		NOP
+	ITOF0 VF02, VF02		NOP
+	NOP				NOP
+	NOP				NOP
+	ADDy.x VF03, VF03, VF03y	NOP
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	ADDz.x VF03, VF03, VF03z	NOP
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	MAX.x VF03, VF00, VF03		NOP	; clamp to 0
+	NOP[I]				LOI 255
+	NOP				NOP
+	NOP				NOP
+	MULi.x VF03, VF03, I		NOP
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	ADDx.xyz VF02, VF02, VF03x	NOP
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	FTOI0 VF02, VF02		NOP
+	NOP				IADDI VI01, VI01, -1
+	NOP				IADDIU VI02, VI02, numInAttribs
+	NOP				IADDIU VI03, VI03, numOutAttribs
+	NOP				IBNE VI01, VI00, Dirloop
+	NOP				SQ VF02, -numOutAttribs(VI03)
+; end dirlight
+
+; Material color and clamp
+	NOP				LQ VF27, matColor(VI00)
+	NOP				XITOP VI01
+	NOP				IADDIU VI03, VI12, 2
+Colorloop:
+	NOP				LQ VF03, 0(VI03)
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	ITOF0 VF03, VF03		NOP
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	MUL VF03, VF03, VF27		NOP
+	NOP[I]				LOI 255
+	NOP				NOP
+	NOP				NOP
+	MINIi VF03, VF03, I		NOP
+	NOP				NOP
+	NOP				NOP
+	NOP				NOP
+	FTOI0 VF03, VF03		NOP
+	NOP				IADDI VI01, VI01, -1
+	NOP				IADDIU VI03, VI03, numOutAttribs
+	NOP				IBNE VI01, VI00, Colorloop
+	NOP				SQ VF03, -numOutAttribs(VI03)
+; end material color
diff --git a/tools/ps2test/vu/setup_persp.vu b/tools/ps2test/vu/setup_persp.vu
new file mode 100644
index 0000000..b9ea42f
--- /dev/null
+++ b/tools/ps2test/vu/setup_persp.vu
@@ -0,0 +1,39 @@
+/* This is the the projection matrix we start with:

+ * 1/2w       0    ox/2w + 1/2   -ox/2w

+ *    0   -1/2h   -oy/2h + 1/2    oy/2h

+ *    0       0              1        0

+ *    0       0              1        0

+ * To get rid of the +1/2 in the combined matrix we

+ * subtract the z-row/2 from the x- and y-rows.

+ *

+ * The z-row is then set to [0 0 0 1] such that multiplication

+ * by XYZscale gives [0 0 0 zScale]. After perspective division

+ * and addition of XYZoffset we then get zScale/w + zShift for z.

+ *

+ * XYZScale scales xy to the resolution and z by zScale.

+ * XYZOffset translates xy to the GS coordinate system (where

+ * [2048, 2048] is the center of the frame buffer) and add zShift to z.

+ */

+

+; constant:

+;	VF28-VF31	transformation matrix

+;	VF25		XYZ offset

+

+

+	SUB.z  VF28, VF28, VF28		LOI 0.5				; right.z = 0

+	SUB.z  VF29, VF29, VF29		LQ VF28, matrix(VI00)		; up.z = 0 - load matrix

+	SUB.z  VF30, VF30, VF30		LQ VF29, matrix+1(VI00)		; at.z = 0 - load matrix

+	ADDw.z VF31, VF00, VF00		LQ VF30, matrix+2(VI00)		; at.z = 1 - load matrix

+	NOP				LQ VF31, matrix+3(VI00)		;          - load matrix

+	MULi.w VF20, VF28, I		LQ.xyz VF01, XYZScale(VI00)	; fix matrix - load scale

+	MULi.w VF21, VF29, I		NOP				; fix matrix

+	MULi.w VF22, VF30, I		NOP				; fix matrix

+	MULi.w VF23, VF31, I		NOP				; fix matrix

+	SUBw.xy VF28, VF28, VF20	NOP				; fix matrix

+	SUBw.xy VF29, VF29, VF21	NOP				; fix matrix

+	SUBw.xy VF30, VF30, VF22	NOP				; fix matrix

+	SUBw.xy VF31, VF31, VF23	NOP				; fix matrix

+	MUL.xy  VF28, VF28, VF01	LQ.xyz VF25, XYZOffset(VI00)	; scale matrix

+	MUL.xy  VF29, VF29, VF01	IADDIU VI12, VI00, outBuf1	; scale matrix

+	MUL.xy  VF30, VF30, VF01	IADDIU VI13, VI00, outBuf2	; scale matrix

+	MUL.xyz VF31, VF31, VF01	NOP				; scale matrix

diff --git a/tools/ps2test/vu/skinpipe.dsm b/tools/ps2test/vu/skinpipe.dsm
new file mode 100644
index 0000000..18536cd
--- /dev/null
+++ b/tools/ps2test/vu/skinpipe.dsm
@@ -0,0 +1,94 @@
+.global skinPipe
+
+.equ vertexTop, 0x2d0
+.equ numInAttribs, 5
+.equ numOutAttribs, 3
+.equ numOutBuf, 2
+.equ vertCount, ((vertexTop-numOutBuf)/(numInAttribs*2+numOutAttribs*numOutBuf))
+.equ offset, (vertCount*numInAttribs)
+.equ outBuf1, (2*offset)
+.equ outSize, ((vertexTop-outBuf1-2)/2)
+.equ outBuf2, (outBuf1+outSize)
+
+.equ lightMat,		0x3d0
+.equ ambientLight, 	0x3d4
+.equ lightDir,		0x3d5
+
+.equ matrix, 		0x3f0
+.equ XYZScale, 		0x3f7
+.equ XYZOffset, 	0x3f8
+.equ gifTag, 		0x3fa
+.equ matColor, 		0x3fb
+.equ surfProps, 	0x3fc
+
+
+.balign 16,0
+skinPipe:
+DMAret *
+MPG 0, *
+.vu
+Start:
+#include "setup_persp.vu"
+Cnt:
+	NOP				XTOP VI02			; input pointer
+	NOP				LQ VF01, gifTag(VI00)
+	NOP				XITOP VI01			; vertex count
+	NOP				IADDIU VI05, VI00, 0x4000
+	NOP				IADD VI05, VI05, VI05
+	NOP				IOR VI05, VI05, VI01
+	NOP				SQ VF01, 0(VI12)
+	NOP				ISW.x VI05, 0(VI12)
+	NOP				IADDIU VI03, VI12, 1		; output pointer
+	NOP				LQ VF18, lightMat(VI00)
+	NOP				LQ VF19, lightMat+1(VI00)
+	NOP				LQ VF20, lightMat+2(VI00)
+
+Loop:
+	NOP				LQI VF01, (VI02++)		; vertex
+	NOP				LQI VF02, (VI02++)		; UV
+	NOP				LQI VF03, (VI02++)		; color
+	NOP				LQI VF04, (VI02++)		; normal
+	NOP				IADDIU VI02, VI02, 1		; skip weights
+
+	MULAw.xyzw ACC, VF31, VF00w	NOP				; transform vertex
+	MADDAx.xyw ACC, VF28, VF01x	NOP
+	MADDAy.xyw ACC, VF29, VF01y	NOP
+	MADDz.xyzw VF01, VF30, VF01z	NOP
+	ITOF0 VF03, VF03		NOP
+	ITOF0[I] VF04, VF04		LOI 0.0078125			; - normal scale
+	NOP				NOP
+	NOP				DIV Q, VF00w, VF01w
+	NOP				WAITQ
+	MULq VF01, VF01, Q		NOP				; perspective division
+	MULi VF04, VF04, I		NOP				; scale normal
+	NOP				MR32.z VF02, VF00
+	NOP				NOP
+	SUB.w VF01, VF01, VF01		NOP
+	MULAx.xyz ACC, VF18, VF04x	NOP				; transform normal
+	MADDAy.xyz ACC, VF19, VF04y	NOP
+	MADDz.xyz VF04, VF20, VF04z	NOP
+	ADD.xyz VF01, VF01, VF25	NOP
+	MULq VF02, VF02, Q		NOP
+	NOP				NOP
+	FTOI0 VF03, VF03		NOP
+	FTOI4 VF01, VF01		NOP
+	NOP				SQ VF04, -2(VI02)		; store normal
+	NOP				IADDI VI01, VI01, -1
+	NOP				SQI VF02, (VI03++)		; STQ
+	NOP				SQI VF03, (VI03++)		; color
+	NOP				SQI VF01, (VI03++)		; vertex
+	NOP				IBNE VI01, VI00, Loop
+	NOP				NOP
+
+#include "light.vu"
+
+	NOP				XGKICK VI12
+	NOP				IADD VI15,VI00,VI12
+	NOP				IADD VI12,VI00,VI13
+	NOP[E]				IADD VI13,VI00,VI15
+	NOP				NOP
+	NOP				B Cnt
+	NOP				NOP
+
+.EndMPG
+.EndDmaData
diff --git a/tools/ska2anm/CMakeLists.txt b/tools/ska2anm/CMakeLists.txt
new file mode 100644
index 0000000..9a315c2
--- /dev/null
+++ b/tools/ska2anm/CMakeLists.txt
@@ -0,0 +1,20 @@
+add_executable(ska2anm
+    ska2anm.cpp
+)
+
+target_link_libraries(ska2anm
+    PUBLIC
+        librw::librw
+)
+
+if(LIBRW_GL3_GFXLIB MATCHES "SDL[23]")
+    target_compile_definitions(ska2anm PRIVATE SDL_MAIN_HANDLED)
+endif()
+
+if(LIBRW_INSTALL)
+    install(TARGETS ska2anm
+        RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    )
+endif()
+
+librw_platform_target(ska2anm INSTALL)
diff --git a/tools/ska2anm/ska2anm.cpp b/tools/ska2anm/ska2anm.cpp
new file mode 100644
index 0000000..900ba82
--- /dev/null
+++ b/tools/ska2anm/ska2anm.cpp
@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <rw.h>
+#include <args.h>
+
+using namespace rw;
+
+char *argv0;
+
+void
+usage(void)
+{
+	fprintf(stderr, "usage: %s in.ska [out.anm]\n", argv0);
+	fprintf(stderr, "   or: %s in.anm [out.ska]\n", argv0);
+	exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+	rw::Engine::init();
+	rw::registerHAnimPlugin();
+	rw::Engine::open(nil);
+	rw::Engine::start();
+
+	ARGBEGIN{
+	case 'v':
+		sscanf(EARGF(usage()), "%x", &rw::version);
+		break;
+	default:
+		usage();
+	}ARGEND;
+
+	if(argc < 1)
+		usage();
+
+	StreamFile stream;
+	if(!stream.open(argv[0], "rb")){
+		fprintf(stderr, "Error: couldn't open %s\n", argv[0]);
+		return 1;
+	}
+
+	int32 firstword = stream.readU32();
+	stream.seek(0, 0);
+	Animation *anim = nil;
+	if(firstword == ID_ANIMANIMATION){
+		// it's an anm file
+		if(findChunk(&stream, ID_ANIMANIMATION, nil, nil))
+			anim = Animation::streamRead(&stream);
+	}else{
+		// it's a ska file
+		anim = Animation::streamReadLegacy(&stream);
+	}
+	stream.close();
+
+	if(anim == nil){
+		fprintf(stderr, "Error: couldn't read anim file\n");
+		return 1;
+	}
+
+	const char *file;
+	if(argc > 1)
+		file = argv[1];
+	else if(firstword == ID_ANIMANIMATION)
+		file = "out.ska";
+	else
+		file = "out.anm";
+	if(!stream.open(file, "wb")){
+		fprintf(stderr, "Error: couldn't open %s\n", file);
+		return 1;
+	}
+	if(firstword == ID_ANIMANIMATION)
+		anim->streamWriteLegacy(&stream);
+	else
+		anim->streamWrite(&stream);
+
+	anim->destroy();
+
+	return 0;
+}
diff --git a/tools/subrast/CMakeLists.txt b/tools/subrast/CMakeLists.txt
new file mode 100644
index 0000000..6393734
--- /dev/null
+++ b/tools/subrast/CMakeLists.txt
@@ -0,0 +1,19 @@
+add_executable(subrast WIN32
+    main.cpp
+    subrast.cpp
+    subrast.h
+)
+
+target_link_libraries(subrast
+    PUBLIC
+        librw::skeleton
+        librw::librw
+)
+
+add_custom_command(
+    TARGET subrast POST_BUILD
+    COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:subrast>/files"
+    COMMAND "${CMAKE_COMMAND}" -E copy_directory  "${CMAKE_CURRENT_SOURCE_DIR}/files" "$<TARGET_FILE_DIR:subrast>/files"
+)
+
+librw_platform_target(subrast)
diff --git a/tools/subrast/files/clump.dff b/tools/subrast/files/clump.dff
new file mode 100644
index 0000000..b65e41d
--- /dev/null
+++ b/tools/subrast/files/clump.dff
diff --git a/tools/subrast/files/textures/whiteash.png b/tools/subrast/files/textures/whiteash.png
new file mode 100644
index 0000000..aa60569
--- /dev/null
+++ b/tools/subrast/files/textures/whiteash.png
diff --git a/tools/subrast/main.cpp b/tools/subrast/main.cpp
new file mode 100644
index 0000000..5dbde8a
--- /dev/null
+++ b/tools/subrast/main.cpp
@@ -0,0 +1,354 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+#include "subrast.h"
+
+rw::V3d zero = { 0.0f, 0.0f, 0.0f };
+rw::EngineOpenParams engineOpenParams;
+float FOV = 70.0f;
+
+rw::RGBA ForegroundColor = { 200, 200, 200, 255 };
+rw::RGBA BackgroundColor = { 64, 64, 64, 0 };
+rw::RGBA BorderColor = { 128, 128, 128, 0 };
+
+rw::Clump *Clump = nil;
+rw::Light *MainLight = nil;
+rw::Light *AmbientLight = nil;
+
+rw::World *World;
+rw::Charset *Charset;
+
+const char *SubCameraCaption[4] = {
+	"Perspective view",
+	"Parallel view: Z-axis",
+	"Parallel view: X-axis",
+	"Parallel view: Y-axis"
+};
+
+rw::V3d Xaxis = { 1.0f, 0.0, 0.0f };
+rw::V3d Yaxis = { 0.0f, 1.0, 0.0f };
+rw::V3d Zaxis = { 0.0f, 0.0, 1.0f };
+
+rw::World*
+CreateWorld(void)
+{
+	rw::BBox bb;
+
+	bb.inf.x = bb.inf.y = bb.inf.z = -100.0f;
+	bb.sup.x = bb.sup.y = bb.sup.z = 100.0f;
+
+	return rw::World::create(&bb);
+}
+
+rw::Light*
+CreateAmbientLight(rw::World *world)
+{
+	rw::Light *light = rw::Light::create(rw::Light::AMBIENT);
+	assert(light);
+	World->addLight(light);
+	return light;
+}
+
+rw::Light*
+CreateMainLight(rw::World *world)
+{
+	rw::Light *light = rw::Light::create(rw::Light::DIRECTIONAL);
+	assert(light);
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	frame->rotate(&Xaxis, 30.0f, rw::COMBINEREPLACE);
+	frame->rotate(&Yaxis, 30.0f, rw::COMBINEPOSTCONCAT);
+	light->setFrame(frame);
+	World->addLight(light);
+	return light;
+}
+
+rw::Clump*
+CreateClump(rw::World *world)
+{
+	rw::Clump *clump;
+	rw::StreamFile in;
+
+	rw::Image::setSearchPath("files/textures/");
+	const char *filename = "files/clump.dff";
+	if(in.open(filename, "rb") == NULL){
+		printf("couldn't open file\n");
+		return nil;
+	}
+	if(!rw::findChunk(&in, rw::ID_CLUMP, NULL, NULL))
+		return nil;
+	clump = rw::Clump::streamRead(&in);
+	in.close();
+	if(clump == nil)
+		return nil;
+
+	rw::Frame *frame = clump->getFrame();
+	frame->rotate(&Xaxis, -120.0f, rw::COMBINEREPLACE);
+	frame->rotate(&Yaxis, 45.0f, rw::COMBINEPOSTCONCAT);
+	World->addClump(clump);
+	return clump;
+}
+
+void
+RotateClump(float xAngle, float yAngle)
+{
+	rw::Matrix *cameraMatrix = &Camera->getFrame()->matrix;
+	rw::Frame *frame = Clump->getFrame();
+	rw::V3d pos = frame->matrix.pos;
+
+	pos = rw::scale(pos, -1.0f);
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	frame->rotate(&cameraMatrix->up, xAngle, rw::COMBINEPOSTCONCAT);
+	frame->rotate(&cameraMatrix->right, yAngle, rw::COMBINEPOSTCONCAT);
+
+	pos = rw::scale(pos, -1.0f);
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+}
+
+void
+Initialize(void)
+{
+	sk::globals.windowtitle = "Sub-raster example";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+Initialize3D(void)
+{
+	if(!sk::InitRW())
+		return false;
+
+	Charset = rw::Charset::create(&ForegroundColor, &BackgroundColor);
+
+	World = CreateWorld();
+
+	AmbientLight = CreateAmbientLight(World);
+	MainLight = CreateMainLight(World);
+	Clump = CreateClump(World);
+	if (Clump == nil)
+		return false;
+
+	CreateCameras(World);
+	UpdateSubRasters(Camera, sk::globals.width, sk::globals.height);
+
+	rw::SetRenderState(rw::CULLMODE, rw::CULLBACK);
+	rw::SetRenderState(rw::ZTESTENABLE, 1);
+	rw::SetRenderState(rw::ZWRITEENABLE, 1);
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	return true;
+}
+
+void
+Terminate3D(void)
+{
+	DestroyCameras(World);
+
+	if(AmbientLight){
+		World->removeLight(AmbientLight);
+		AmbientLight->destroy();
+		AmbientLight = nil;
+	}
+
+	if(MainLight){
+		World->removeLight(MainLight);
+		rw::Frame *frame = MainLight->getFrame();
+		MainLight->setFrame(nil);
+		frame->destroy();
+		MainLight->destroy();
+		MainLight = nil;
+	}
+
+	if(Clump){
+		World->removeClump(Clump);
+		Clump->destroy();
+		Clump = nil;
+	}
+
+	if(World){
+		World->destroy();
+		World = nil;
+	}
+
+	if(Charset){
+		Charset->destroy();
+		Charset = nil;
+	}
+
+	sk::TerminateRW();
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+void
+DisplayOnScreenInfo(void)
+{
+	for(int i = 0; i < 4; i++){
+		rw::Raster *scr = SubCameras[i]->frameBuffer;
+
+		rw::int32 scrw = scr->width;
+		rw::int32 scrh = scr->height;
+
+		rw::int32 captionWidth = strlen(SubCameraCaption[i])*Charset->desc.width;
+
+		if(captionWidth < scrw && scrh > Charset->desc.height*2){
+			rw::int32 x = scr->offsetX + (scrw - captionWidth)/2;
+			rw::int32 y = scr->offsetY + Charset->desc.height;
+			Charset->print(SubCameraCaption[i], x, y, 0);
+		}
+	}
+}
+
+rw::RGBA BackgroundColors[] = {
+	{ 64, 64, 64, 0 },
+	{ 128, 0, 0, 0 },
+	{ 0, 128, 0, 0 },
+	{ 0, 0, 128, 0 },
+};
+void
+Render(float timeDelta)
+{
+	Camera->clear(&BorderColor, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+
+	for(int i = 0; i < 4; i++){
+		SubCameras[i]->clear(&BackgroundColor, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+//		SubCameras[i]->clear(&BackgroundColors[i], rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+		SubCameras[i]->beginUpdate();
+		World->render();
+		SubCameras[i]->endUpdate();
+	}
+
+	Camera->beginUpdate();
+	DisplayOnScreenInfo();
+	Camera->endUpdate();
+
+	Camera->showRaster(0);
+}
+
+void
+Idle(float timeDelta)
+{
+	Render(timeDelta);
+}
+
+int MouseX, MouseY;
+int MouseDeltaX, MouseDeltaY;
+int MouseButtons;
+
+bool Rotating;
+
+void
+KeyUp(int key)
+{
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+void
+MouseBtn(sk::MouseState *mouse)
+{
+	MouseButtons = mouse->buttons;
+	Rotating = !!(MouseButtons&1);
+}
+
+void
+MouseMove(sk::MouseState *mouse)
+{
+	MouseDeltaX = mouse->posx - MouseX;
+	MouseDeltaY = mouse->posy - MouseY;
+	MouseX = mouse->posx;
+	MouseY = mouse->posy;
+	if(Rotating)
+		RotateClump(-MouseDeltaX, MouseDeltaY);
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+	MouseState *ms;
+
+	ImGuiEventHandler(e, param);
+	ImGuiIO &io = ImGui::GetIO();
+
+	switch(e){
+	case INITIALIZE:
+		Initialize();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return Initialize3D() ? EVENTPROCESSED : EVENTERROR;
+	case RWTERMINATE:
+		Terminate3D();
+		return EVENTPROCESSED;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case MOUSEBTN:
+		if(!io.WantCaptureMouse){
+			ms = (MouseState*)param;
+			MouseBtn(ms);
+		}else
+			MouseButtons = 0;
+		return EVENTPROCESSED;
+	case MOUSEMOVE:
+		MouseMove((MouseState*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		if(::Camera){
+			sk::CameraSize(::Camera, r);
+			::Camera->setFOV(FOV, (float)sk::globals.width/sk::globals.height);
+
+			UpdateSubRasters(::Camera, r->w, r->h);
+		}
+		break;
+	case IDLE:
+		Idle(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}
diff --git a/tools/subrast/subrast.cpp b/tools/subrast/subrast.cpp
new file mode 100644
index 0000000..f91298f
--- /dev/null
+++ b/tools/subrast/subrast.cpp
@@ -0,0 +1,141 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "subrast.h"
+
+rw::Camera *Camera;
+rw::Camera *SubCameras[4];
+
+void
+CameraSetViewWindow(rw::Camera *camera, float width, float height, float vw)
+{
+	rw::V2d viewWindow;
+
+	// TODO: aspect ratio when fullscreen
+	if(width > height){
+		viewWindow.x = vw;
+		viewWindow.y = vw / (width/height);
+	}else{
+		viewWindow.x = vw / (height/width);
+		viewWindow.y = vw;
+	}
+
+	camera->setViewWindow(&viewWindow);
+}
+
+void
+UpdateSubRasters(rw::Camera *mainCamera, rw::int32 mainWidth, rw::int32 mainHeight)
+{
+	rw::Rect rect[4];
+	float width, height, border;
+
+	border = mainHeight*0.05f;
+
+	width = (mainWidth - border*3.0f) / 2.0f;
+	height = (mainHeight - border*3.0f) / 2.0f;
+
+	// top left
+	rect[0].x = border;
+	rect[0].y = border;
+	rect[0].w = width;
+	rect[0].h = height;
+
+	// top right
+	rect[1].x = border*2 + width;
+	rect[1].y = border;
+	rect[1].w = width;
+	rect[1].h = height;
+
+	// bottom left
+	rect[2].x = border;
+	rect[2].y = border*2 + height;
+	rect[2].w = width;
+	rect[2].h = height;
+
+	// bottom left
+	rect[3].x = border*2 + width;
+	rect[3].y = border*2 + height;
+	rect[3].w = width;
+	rect[3].h = height;
+
+	CameraSetViewWindow(SubCameras[0], width, height, 0.5f);
+	for(int i = 1; i < 4; i++)
+		CameraSetViewWindow(SubCameras[i], width, height, 0.5f + 0.4f);
+
+	for(int i = 0; i < 4; i++){
+		SubCameras[i]->frameBuffer->subRaster(mainCamera->frameBuffer, &rect[i]);
+		SubCameras[i]->zBuffer->subRaster(mainCamera->zBuffer, &rect[i]);
+	}
+}
+
+void
+PositionSubCameras(void)
+{
+	rw::Frame *frame;
+	rw::V3d pos;
+	const float dist = 2.5f;
+
+	// perspective
+	pos.x = pos.y = 0.0f;
+	pos.z = -4.0f;
+	frame = SubCameras[0]->getFrame();
+	frame->translate(&pos, rw::COMBINEREPLACE);
+
+	// look along z
+	pos.x = pos.y = 0.0f;
+	pos.z = -dist;
+	frame = SubCameras[1]->getFrame();
+	frame->translate(&pos, rw::COMBINEREPLACE);
+
+	// look along x
+	pos.x = -dist;
+	pos.y = pos.z = 0.0f;
+	frame = SubCameras[2]->getFrame();
+	frame->rotate(&Yaxis, 90.0f, rw::COMBINEREPLACE);
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// look along y
+	pos.x = pos.z = 0.0f;
+	pos.y = -dist;
+	frame = SubCameras[3]->getFrame();
+	frame->rotate(&Xaxis, -90.0f, rw::COMBINEREPLACE);
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+}
+
+void
+CreateCameras(rw::World *world)
+{
+	Camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	assert(Camera);
+
+	for(int i = 0; i < 4; i++){
+		SubCameras[i] = sk::CameraCreate(0, 0, 1);
+		assert(SubCameras[i]);
+
+		SubCameras[i]->setNearPlane(0.1f);
+		SubCameras[i]->setFarPlane(30.0f);
+
+		world->addCamera(SubCameras[i]);
+
+		if(i > 0)
+			SubCameras[i]->setProjection(rw::Camera::PARALLEL);
+	}
+
+	PositionSubCameras();
+}
+
+void
+DestroyCameras(rw::World *world)
+{
+	if(Camera){
+		sk::CameraDestroy(Camera);
+		Camera = nil;
+	}
+
+	for(int i = 0; i < 4; i++)
+		if(SubCameras[i]){
+			world->removeCamera(SubCameras[i]);
+			sk::CameraDestroy(SubCameras[i]);
+			SubCameras[i] = nil;
+		}
+}
diff --git a/tools/subrast/subrast.h b/tools/subrast/subrast.h
new file mode 100644
index 0000000..b7c8537
--- /dev/null
+++ b/tools/subrast/subrast.h
@@ -0,0 +1,10 @@
+extern rw::Camera *Camera;
+extern rw::Camera *SubCameras[4];
+
+void CreateCameras(rw::World *world);
+void DestroyCameras(rw::World *world);
+void UpdateSubRasters(rw::Camera *mainCamera, rw::int32 mainWidth, rw::int32 mainHeight);
+
+extern rw::V3d Xaxis;
+extern rw::V3d Yaxis;
+extern rw::V3d Zaxis;