/// <summary>
/// EmitBothSkyLayers
/// Does a sky warp on the pre-fragmented glpoly_t chain
/// This will be called for brushmodels, the world
/// will have them chained together.
/// </summary>
public void EmitBothSkyLayers(Double realTime, Vector3 origin, MemorySurface fa)
{
Device.DisableMultitexture( );
SolidSkyTexture.Bind( );
SpeedScale = ( Single )realTime * 8;
SpeedScale -= ( Int32 )SpeedScale & ~127;
Device.Graphics.EmitSkyPolys(fa.polys, origin, SpeedScale);
AlphaSkyTexture.Bind( );
SpeedScale = ( Single )realTime * 16;
SpeedScale -= ( Int32 )SpeedScale & ~127;
Device.Graphics.EmitSkyPolys(fa.polys, origin, SpeedScale, true);
}
/// <summary>
/// R_DrawSkyChain
/// </summary>
public void DrawSkyChain(Double realTime, Vector3 origin, MemorySurface s)
{
Device.DisableMultitexture( );
SolidSkyTexture.Bind( );
// used when gl_texsort is on
SpeedScale = ( Single )realTime * 8;
SpeedScale -= ( Int32 )SpeedScale & ~127;
for (var fa = s; fa != null; fa = fa.texturechain)
{
Device.Graphics.EmitSkyPolys(fa.polys, origin, SpeedScale);
}
AlphaSkyTexture.Bind( );
SpeedScale = ( Single )realTime * 16;
SpeedScale -= ( Int32 )SpeedScale & ~127;
for (var fa = s; fa != null; fa = fa.texturechain)
{
Device.Graphics.EmitSkyPolys(fa.polys, origin, SpeedScale, true);
}
}