diff options
Diffstat (limited to 'src/charset.cpp')
| -rw-r--r-- | src/charset.cpp | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/src/charset.cpp b/src/charset.cpp new file mode 100644 index 0000000..5188b80 --- /dev/null +++ b/src/charset.cpp @@ -0,0 +1,244 @@ +#include <stdio.h> + +#include "rwbase.h" +#include "rwerror.h" +#include "rwplg.h" +#include "rwrender.h" +#include "rwpipeline.h" +#include "rwobjects.h" +#include "rwengine.h" +#include "rwcharset.h" + +#include "ps2/rwps2.h" +#include "d3d/rwd3d.h" +#include "gl/rwgl3.h" + + +#define PLUGIN_ID 1000 // TODO: find a better ID + +#ifndef RW_NULL + +#ifdef RWHALFPIXEL +#define HALFPX (0.5f) +#else +#define HALFPX (0.0f) +#endif + +namespace rw { + +const uint8 fontbits[256*256] = { +#include "vgafont.inc" +}; + +#define NUMCHARS 100 +static uint16 *indices; +static RWDEVICE::Im2DVertex *vertices; +static int32 numChars; +static Raster *lastRaster; + +bool32 +Charset::open(void) +{ + if(indices || vertices) + return 0; + numChars = 0; + lastRaster = nil; + indices = rwNewT(uint16, NUMCHARS*6, MEMDUR_EVENT); + vertices = rwNewT(RWDEVICE::Im2DVertex, NUMCHARS*4, MEMDUR_EVENT); + if(indices == nil || vertices == nil){ + close(); + return 0; + } + return 1; +} + +void +Charset::close(void) +{ + rwFree(indices); + indices = nil; + rwFree(vertices); + vertices = nil; +} + +Charset* +Charset::create(const RGBA *foreground, const RGBA *background) +{ + Charset *charset = (Charset*)rwMalloc(sizeof(Charset), MEMDUR_EVENT); + if(charset == nil){ + RWERROR((ERR_ALLOC, sizeof(Charset))); + return nil; + } + charset->raster = nil; + if(charset->setColors(foreground, background) == nil){ + charset->destroy(); + return nil; + } + charset->desc.count = 256; + charset->desc.tileWidth = 28; + charset->desc.tileHeight = 10; + charset->desc.width = 9; + charset->desc.height = 16; + charset->desc.width_internal = 9; + charset->desc.height_internal = 16; + return charset; +} + +void +Charset::destroy(void) +{ + if(raster) + raster->destroy(); + rwFree(this); +} + +Charset* +Charset::setColors(const RGBA *foreground, const RGBA *background) +{ + Image *img = Image::create(256, 256, 8); + if(img == nil) + return nil; + img->pixels = (uint8*)fontbits; + img->stride = 256; + img->allocate(); + img->palette[0] = background->red; + img->palette[1] = background->green; + img->palette[2] = background->blue; + img->palette[3] = background->alpha; + img->palette[4] = foreground->red; + img->palette[5] = foreground->green; + img->palette[6] = foreground->blue; + img->palette[7] = foreground->alpha; + + Raster *newRaster = Raster::createFromImage(img); + img->destroy(); + if(newRaster == nil) + return nil; + if(this->raster) + this->raster->destroy(); + this->raster = newRaster; + return this; +} + +void +Charset::flushBuffer(void) +{ + if(numChars){ + rw::SetRenderStatePtr(rw::TEXTURERASTER, lastRaster); + rw::SetRenderState(rw::TEXTUREADDRESS, rw::Texture::WRAP); + rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::NEAREST); + + uint32 cull = rw::GetRenderState(rw::CULLMODE); + uint32 ztest = rw::GetRenderState(rw::ZTESTENABLE); + rw::SetRenderState(rw::CULLMODE, rw::CULLNONE); + rw::SetRenderState(rw::ZTESTENABLE, 0); + + im2d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, + vertices, numChars*4, indices, numChars*6); + + rw::SetRenderState(rw::CULLMODE, cull); + rw::SetRenderState(rw::ZTESTENABLE, ztest); + } + + numChars = 0; + lastRaster = nil; +} + +void +Charset::printChar(int32 c, int32 x, int32 y) +{ + Camera *cam; + float recipZ; + float u, v, du, dv; + RWDEVICE::Im2DVertex *vert; + uint16 *ix; + + if(c >= this->desc.count) + return; + + if(this->raster != lastRaster || numChars >= NUMCHARS) + flushBuffer(); + lastRaster = this->raster; + + cam = (Camera*)engine->currentCamera; + vert = &vertices[numChars*4]; + ix = &indices[numChars*6]; + recipZ = 1.0f/cam->nearPlane; + + u = ((c % this->desc.tileWidth)*this->desc.width_internal + HALFPX) / (float32)this->raster->width; + v = ((c / this->desc.tileWidth)*this->desc.height_internal + HALFPX) / (float32)this->raster->height; + du = this->desc.width_internal/(float32)this->raster->width; + dv = this->desc.height_internal/(float32)this->raster->height; + + vert->setScreenX((float)x); + vert->setScreenY((float)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(float(x+this->desc.width_internal)); + vert->setScreenY((float)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((float)x); + vert->setScreenY(float(y+this->desc.height_internal)); + 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(float(x+this->desc.width_internal)); + vert->setScreenY(float(y+this->desc.height_internal)); + 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++ = numChars*4; + *ix++ = numChars*4+1; + *ix++ = numChars*4+2; + *ix++ = numChars*4+2; + *ix++ = numChars*4+1; + *ix++ = numChars*4+3; + + numChars++; +} + +void +Charset::print(const char *str, int32 x, int32 y, bool32 hideSpaces) +{ + this->printBuffered(str, x, y, hideSpaces); + flushBuffer(); +} + +void +Charset::printBuffered(const char *str, int32 x, int32 y, bool32 hideSpaces) +{ + while(*str){ + if(!hideSpaces || *str != ' ') + printChar((uint8)*str, x, y); + x += this->desc.width; + str++; + } +} + +} + +#endif + |