Import aap/librw @ masterHEADmaster

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

1 files changed, 119 insertions, 0 deletions

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);
+}