// Draw_AlphaPic
public static void DrawAlphaPic(int x, int y, glpic_t pic, float alpha)
{
if (_ScrapDirty)
{
UploadScrap();
}
GL.Disable(EnableCap.AlphaTest);
GL.Enable(EnableCap.Blend);
GL.Color4(1f, 1f, 1f, alpha);
Bind(pic.texnum);
GL.Begin(PrimitiveType.Quads);
GL.TexCoord2(pic.sl, pic.tl);
GL.Vertex2(x, y);
GL.TexCoord2(pic.sh, pic.tl);
GL.Vertex2(x + pic.width, y);
GL.TexCoord2(pic.sh, pic.th);
GL.Vertex2(x + pic.width, y + pic.height);
GL.TexCoord2(pic.sl, pic.th);
GL.Vertex2(x, y + pic.height);
GL.End();
GL.Color4(1f, 1f, 1f, 1f);
GL.Enable(EnableCap.AlphaTest);
GL.Disable(EnableCap.Blend);
}
// Draw_Pic(int x, int y, qpic_t* pic)
public static void DrawPic(int x, int y, glpic_t pic)
{
if (_ScrapDirty)
{
UploadScrap();
}
GL.Color4(1f, 1f, 1f, 1f);
Bind(pic.texnum);
GL.Begin(PrimitiveType.Quads);
GL.TexCoord2(pic.sl, pic.tl);
GL.Vertex2(x, y);
GL.TexCoord2(pic.sh, pic.tl);
GL.Vertex2(x + pic.width, y);
GL.TexCoord2(pic.sh, pic.th);
GL.Vertex2(x + pic.width, y + pic.height);
GL.TexCoord2(pic.sl, pic.th);
GL.Vertex2(x, y + pic.height);
GL.End();
}
// Draw_Init
public static void Init()
{
for (int i = 0; i < _MenuCachePics.Length; i++)
{
_MenuCachePics[i] = new cachepic_t();
}
if (_glNoBind == null)
{
_glNoBind = new Cvar("gl_nobind", "0");
_glMaxSize = new Cvar("gl_max_size", "1024");
_glPicMip = new Cvar("gl_picmip", "0");
}
// 3dfx can only handle 256 wide textures
string renderer = GL.GetString(StringName.Renderer);
if (renderer.Contains("3dfx") || renderer.Contains("Glide"))
{
Cvar.Set("gl_max_size", "256");
}
Cmd.Add("gl_texturemode", TextureMode_f);
// load the console background and the charset
// by hand, because we need to write the version
// string into the background before turning
// it into a texture
int offset = Wad.GetLumpNameOffset("conchars");
byte[] draw_chars = Wad.Data; // draw_chars
for (int i = 0; i < 256 * 64; i++)
{
if (draw_chars[offset + i] == 0)
{
draw_chars[offset + i] = 255; // proper transparent color
}
}
// now turn them into textures
_CharTexture = LoadTexture("charset", 128, 128, new ByteArraySegment(draw_chars, offset), false, true);
byte[] buf = Common.LoadFile("gfx/conback.lmp");
if (buf == null)
{
Sys.Error("Couldn't load gfx/conback.lmp");
}
dqpicheader_t cbHeader = Sys.BytesToStructure <dqpicheader_t>(buf, 0);
Wad.SwapPic(cbHeader);
// hack the version number directly into the pic
string ver = String.Format("(c# {0,7:F2}) {1,7:F2}", (float)QDef.CSQUAKE_VERSION, (float)QDef.VERSION);
int offset2 = Marshal.SizeOf(typeof(dqpicheader_t)) + 320 * 186 + 320 - 11 - 8 * ver.Length;
int y = ver.Length;
for (int x = 0; x < y; x++)
{
CharToConback(ver[x], new ByteArraySegment(buf, offset2 + (x << 3)), new ByteArraySegment(draw_chars, offset));
}
_ConBack = new glpic_t();
_ConBack.width = cbHeader.width;
_ConBack.height = cbHeader.height;
int ncdataIndex = Marshal.SizeOf(typeof(dqpicheader_t)); // cb->data;
SetTextureFilters(TextureMinFilter.Nearest, TextureMagFilter.Nearest);
_ConBack.texnum = LoadTexture("conback", _ConBack.width, _ConBack.height, new ByteArraySegment(buf, ncdataIndex), false, false);
_ConBack.width = Scr.vid.width;
_ConBack.height = Scr.vid.height;
// save a texture slot for translated picture
_TranslateTexture = _TextureExtensionNumber++;
// save slots for scraps
_ScrapTexNum = _TextureExtensionNumber;
_TextureExtensionNumber += MAX_SCRAPS;
//
// get the other pics we need
//
_Disc = PicFromWad("disc");
_BackTile = PicFromWad("backtile");
}