| public static SelectTexture ( MTexTarget target ) : void | ||
| target | MTexTarget | |
| return | void | |
private static byte[] _LightMaps = new byte[4 * MAX_LIGHTMAPS * BLOCK_WIDTH * BLOCK_HEIGHT]; // lightmaps
/// <summary>
/// GL_BuildLightmaps
/// Builds the lightmap texture with all the surfaces from all brush models
/// </summary>
private static void BuildLightMaps()
{
Array.Clear(_Allocated, 0, _Allocated.Length);
//memset (allocated, 0, sizeof(allocated));
_FrameCount = 1; // no dlightcache
if (_LightMapTextures == 0)
{
_LightMapTextures = Drawer.GenerateTextureNumberRange(MAX_LIGHTMAPS);
}
Drawer.LightMapFormat = PixelFormat.Luminance;// GL_LUMINANCE;
// default differently on the Permedia
if (Scr.IsPermedia)
{
Drawer.LightMapFormat = PixelFormat.Rgba;
}
if (common.HasParam("-lm_1"))
{
Drawer.LightMapFormat = PixelFormat.Luminance;
}
if (common.HasParam("-lm_a"))
{
Drawer.LightMapFormat = PixelFormat.Alpha;
}
//if (Common.HasParam("-lm_i"))
// Drawer.LightMapFormat = PixelFormat.Intensity;
//if (Common.HasParam("-lm_2"))
// Drawer.LightMapFormat = PixelFormat.Rgba4;
if (common.HasParam("-lm_4"))
{
Drawer.LightMapFormat = PixelFormat.Rgba;
}
switch (Drawer.LightMapFormat)
{
case PixelFormat.Rgba:
_LightMapBytes = 4;
break;
//case PixelFormat.Rgba4:
//_LightMapBytes = 2;
//break;
case PixelFormat.Luminance:
//case PixelFormat.Intensity:
case PixelFormat.Alpha:
_LightMapBytes = 1;
break;
}
for (int j = 1; j < QDef.MAX_MODELS; j++)
{
model_t m = client.cl.model_precache[j];
if (m == null)
{
break;
}
if (m.name != null && m.name.StartsWith("*"))
{
continue;
}
_CurrentVertBase = m.vertexes;
_CurrentModel = m;
for (int i = 0; i < m.numsurfaces; i++)
{
CreateSurfaceLightmap(m.surfaces[i]);
if ((m.surfaces[i].flags & Surf.SURF_DRAWTURB) != 0)
{
continue;
}
if ((m.surfaces[i].flags & Surf.SURF_DRAWSKY) != 0)
{
continue;
}
BuildSurfaceDisplayList(m.surfaces[i]);
}
}
if (_glTexSort.Value == 0)
{
Drawer.SelectTexture(MTexTarget.TEXTURE1_SGIS);
}
//
// upload all lightmaps that were filled
//
GCHandle handle = GCHandle.Alloc(_LightMaps, GCHandleType.Pinned);
try
{
IntPtr ptr = handle.AddrOfPinnedObject();
long lmAddr = ptr.ToInt64();
for (int i = 0; i < MAX_LIGHTMAPS; i++)
{
if (_Allocated[i, 0] == 0)
{
break; // no more used
}
_LightMapModified[i] = false;
_LightMapRectChange[i].l = BLOCK_WIDTH;
_LightMapRectChange[i].t = BLOCK_HEIGHT;
_LightMapRectChange[i].w = 0;
_LightMapRectChange[i].h = 0;
Drawer.Bind(_LightMapTextures + i);
Drawer.SetTextureFilters(TextureMinFilter.Linear, TextureMagFilter.Linear);
long addr = lmAddr + i * BLOCK_WIDTH * BLOCK_HEIGHT * _LightMapBytes;
GL.TexImage2D(TextureTarget.Texture2D, 0, (PixelInternalFormat)_LightMapBytes,
BLOCK_WIDTH, BLOCK_HEIGHT, 0, Drawer.LightMapFormat, PixelType.UnsignedByte, new IntPtr(addr));
}
}
finally
{
handle.Free();
}
if (_glTexSort.Value == 0)
{
Drawer.SelectTexture(MTexTarget.TEXTURE0_SGIS);
}
}
/// <summary>
/// R_DrawSequentialPoly
/// Systems that have fast state and texture changes can
/// just do everything as it passes with no need to sort
/// </summary>
private static void DrawSequentialPoly(msurface_t s)
{
//
// normal lightmaped poly
//
if ((s.flags & (Surf.SURF_DRAWSKY | Surf.SURF_DRAWTURB | Surf.SURF_UNDERWATER)) == 0)
{
RenderDynamicLightmaps(s);
glpoly_t p = s.polys;
texture_t t = TextureAnimation(s.texinfo.texture);
if (vid.glMTexable)
{
// Binds world to texture env 0
Drawer.SelectTexture(MTexTarget.TEXTURE0_SGIS);
Drawer.Bind(t.gl_texturenum);
GL.TexEnv(TextureEnvTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, (int)TextureEnvMode.Replace);
// Binds lightmap to texenv 1
EnableMultitexture(); // Same as SelectTexture (TEXTURE1)
Drawer.Bind(_LightMapTextures + s.lightmaptexturenum);
int i = s.lightmaptexturenum;
if (_LightMapModified[i])
{
CommitLightmap(i);
}
GL.TexEnv(TextureEnvTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, (int)TextureEnvMode.Blend);
GL.Begin(PrimitiveType.Polygon);
for (i = 0; i < p.numverts; i++)
{
float[] v = p.verts[i];
GL.MultiTexCoord2(TextureUnit.Texture0, v[3], v[4]);
GL.MultiTexCoord2(TextureUnit.Texture1, v[5], v[6]);
GL.Vertex3(v);
}
GL.End();
return;
}
else
{
Drawer.Bind(t.gl_texturenum);
GL.Begin(PrimitiveType.Polygon);
for (int i = 0; i < p.numverts; i++)
{
float[] v = p.verts[i];
GL.TexCoord2(v[3], v[4]);
GL.Vertex3(v);
}
GL.End();
Drawer.Bind(_LightMapTextures + s.lightmaptexturenum);
GL.Enable(EnableCap.Blend);
GL.Begin(PrimitiveType.Polygon);
for (int i = 0; i < p.numverts; i++)
{
float[] v = p.verts[i];
GL.TexCoord2(v[5], v[6]);
GL.Vertex3(v);
}
GL.End();
GL.Disable(EnableCap.Blend);
}
return;
}
//
// subdivided water surface warp
//
if ((s.flags & Surf.SURF_DRAWTURB) != 0)
{
DisableMultitexture();
Drawer.Bind(s.texinfo.texture.gl_texturenum);
EmitWaterPolys(s);
return;
}
//
// subdivided sky warp
//
if ((s.flags & Surf.SURF_DRAWSKY) != 0)
{
DisableMultitexture();
Drawer.Bind(_SolidSkyTexture);
_SpeedScale = (float)host.RealTime * 8;
_SpeedScale -= (int)_SpeedScale & ~127;
EmitSkyPolys(s);
GL.Enable(EnableCap.Blend);
Drawer.Bind(_AlphaSkyTexture);
_SpeedScale = (float)host.RealTime * 16;
_SpeedScale -= (int)_SpeedScale & ~127;
EmitSkyPolys(s);
GL.Disable(EnableCap.Blend);
return;
}
//
// underwater warped with lightmap
//
RenderDynamicLightmaps(s);
if (vid.glMTexable)
{
texture_t t = TextureAnimation(s.texinfo.texture);
Drawer.SelectTexture(MTexTarget.TEXTURE0_SGIS);
Drawer.Bind(t.gl_texturenum);
GL.TexEnv(TextureEnvTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, (int)TextureEnvMode.Replace);
EnableMultitexture();
Drawer.Bind(_LightMapTextures + s.lightmaptexturenum);
int i = s.lightmaptexturenum;
if (_LightMapModified[i])
{
CommitLightmap(i);
}
GL.TexEnv(TextureEnvTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, (int)TextureEnvMode.Blend);
GL.Begin(PrimitiveType.TriangleFan);
glpoly_t p = s.polys;
float[] nv = new float[3];
for (i = 0; i < p.numverts; i++)
{
float[] v = p.verts[i];
GL.MultiTexCoord2(TextureUnit.Texture0, v[3], v[4]);
GL.MultiTexCoord2(TextureUnit.Texture1, v[5], v[6]);
nv[0] = (float)(v[0] + 8 * Math.Sin(v[1] * 0.05 + host.RealTime) * Math.Sin(v[2] * 0.05 + host.RealTime));
nv[1] = (float)(v[1] + 8 * Math.Sin(v[0] * 0.05 + host.RealTime) * Math.Sin(v[2] * 0.05 + host.RealTime));
nv[2] = v[2];
GL.Vertex3(nv);
}
GL.End();
}
else
{
glpoly_t p = s.polys;
texture_t t = TextureAnimation(s.texinfo.texture);
Drawer.Bind(t.gl_texturenum);
DrawGLWaterPoly(p);
Drawer.Bind(_LightMapTextures + s.lightmaptexturenum);
GL.Enable(EnableCap.Blend);
DrawGLWaterPolyLightmap(p);
GL.Disable(EnableCap.Blend);
}
}