| public static GenerateTextureNumberRange ( int count ) : int | ||
| count | int | |
| Результат | int | |
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);
}
}
