void CEGALatch::loadTilemap(GsTilemap &Tilemap, CPlanes &Planes, const int episode, const std::string &path)
{
Tilemap.CreateSurface( gGraphics.Palette.m_Palette, SDL_SWSURFACE, m_num16tiles, 4, 13 );
SDL_Surface *sfc = Tilemap.getSDLSurface();
SDL_FillRect(sfc,NULL, 0);
if(SDL_MUSTLOCK(sfc)) SDL_LockSurface(sfc);
Uint8 *u_pixel = (Uint8*) sfc->pixels;
for(int p=0;p<4;p++)
Planes.readPlaneofTiles(p, u_pixel, 13, 16, m_num16tiles);
if(SDL_MUSTLOCK(sfc)) SDL_UnlockSurface(sfc);
// Load Hi-Colour, VGA, SVGA Tiles into the tilemap
if(Tilemap.loadHiresTile("gfx/ck" + itoa(episode) + "tiles", path))
{
gLogging.textOut(GREEN, "Additional VGA Bitmap for the Tileset has been loaded successfully!");
}
// Adapt the tilemap to the display, so they are faster blit
//Tilemap.optimizeSurface();
}
void CEGASprit::CreateYellowSpriteofTile( GsTilemap &tilemap, Uint16 tile, GsSprite& sprite )
{
SDL_Rect tile_rect;
tile_rect.x = 16*(tile%13);
tile_rect.y = 16*(tile/13);
tile_rect.w = tile_rect.h= 16;
sprite.setSize(tile_rect.w, tile_rect.h);
sprite.createSurface( gVideoDriver.mpVideoEngine->getBlitSurface()->flags,
gGraphics.Palette.m_Palette );
sprite.optimizeSurface();
SDL_Surface *src_sfc = sprite.getSDLSurface();
BlitSurface(tilemap.getSDLSurface(), &tile_rect, src_sfc, NULL);
if(SDL_MUSTLOCK(src_sfc)) SDL_LockSurface(src_sfc);
if(src_sfc->format->BitsPerPixel == 8) return;
// The first pixel is usually the transparent one on items. Use it!
Uint8* pixel = (Uint8*)src_sfc->pixels;
Uint32 transparent_colour;
Uint32 colour;
Uint8 r,g,b,a;
memcpy(&transparent_colour, pixel, src_sfc->format->BytesPerPixel);
for(Uint8 x=0 ; x<16 ; x++)
{
for(Uint8 y=0 ; y<16 ; y++)
{
memcpy(&colour, pixel, src_sfc->format->BytesPerPixel);
SDL_GetRGBA( colour, src_sfc->format, &r, &g, &b, &a );
if( colour == transparent_colour )
a = 0;
if( r!=0 && g!=0 && b!=0 && a!=0)
r = g = 255;
colour = SDL_MapRGBA( src_sfc->format, r, g, b, a );
memcpy( pixel, &colour ,src_sfc->format->BytesPerPixel);
pixel += src_sfc->format->BytesPerPixel;
}
}
if(SDL_MUSTLOCK(src_sfc)) SDL_UnlockSurface(src_sfc);
}
