// applies texture stage setup to gl. texturestagenum will be 0 except for blend
// where it will be either 0 or 1
// texture coordinates are handled independently (?)
// either we're using multipass or we're using multitexture. multipass still uses 2 multitexture units, but not 4, 6, 8, ...
public void Apply(int texturestagenum, bool UsingMultipass, int mapwidth, int mapheight)
{
//Console.WriteLine( "MapTextureStageView for " + maptexturestagemodel + " " + ((GlTexture)splattexture).GlReference + " Apply" );
GlTextureCombine texturecombine;
GraphicsHelperGl g = new GraphicsHelperGl();
switch (maptexturestagemodel.Operation)
{
case MapTextureStageModel.OperationType.NoTexture:
g.DisableTexture2d();
g.EnableModulate();
break;
case MapTextureStageModel.OperationType.Add:
splattexture.Apply();
SetTextureScale(1 / (double)maptexturestagemodel.Tilesize);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Add;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Previous);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Apply();
break;
case MapTextureStageModel.OperationType.Blend:
if (UsingMultipass)
{
if (texturestagenum == 0)
{
blendtexture.Apply();
SetTextureScale(1 / (double)mapwidth);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Replace;
texturecombine.Args[0].SetAlphaSource(GlCombineArg.Source.Texture, GlCombineArg.Operand.Alpha);
texturecombine.Apply();
}
else
{
splattexture.Apply();
SetTextureScale( 1 / (double)maptexturestagemodel.Tilesize );
new GraphicsHelperGl().EnableModulate();
}
}
else
{
if (texturestagenum == 0)
{
blendtexture.Apply();
SetTextureScale(1 / (double)mapwidth);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Replace;
texturecombine.Args[0].SetRgbSource(GlCombineArg.Source.Previous, GlCombineArg.Operand.Rgb);
texturecombine.Args[0].SetAlphaSource(GlCombineArg.Source.Texture, GlCombineArg.Operand.Alpha);
texturecombine.Apply();
}
else
{
splattexture.Apply();
SetTextureScale( 1 / (double)maptexturestagemodel.Tilesize );
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Interpolate;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Previous);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Args[2].SetRgbSource(GlCombineArg.Source.Previous, GlCombineArg.Operand.Alpha);
texturecombine.Args[2].SetAlphaSource(GlCombineArg.Source.Previous, GlCombineArg.Operand.Alpha);
texturecombine.Apply();
}
}
break;
case MapTextureStageModel.OperationType.Multiply:
splattexture.Apply();
SetTextureScale( 1 / (double)maptexturestagemodel.Tilesize );
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Modulate;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Previous);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Apply();
break;
case MapTextureStageModel.OperationType.Subtract:
splattexture.Apply();
SetTextureScale( 1 / (double)maptexturestagemodel.Tilesize );
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Subtract;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Previous);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Apply();
break;
case MapTextureStageModel.OperationType.Replace:
splattexture.Apply();
SetTextureScale( 1 / (double)maptexturestagemodel.Tilesize );
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Modulate;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Fragment);
texturecombine.Apply();
break;
}
}
// applies texture stage setup to gl. texturestagenum will be 0 except for blend
// where it will be either 0 or 1
// texture coordinates are handled independently (?)
// either we're using multipass or we're using multitexture. multipass still uses 2 multitexture units, but not 4, 6, 8, ...
public void Apply(int texturestagenum, bool UsingMultipass, int mapwidth, int mapheight)
{
//Console.WriteLine( "MapTextureStageView for " + maptexturestagemodel + " " + ((GlTexture)splattexture).GlReference + " Apply" );
GlTextureCombine texturecombine;
GraphicsHelperGl g = new GraphicsHelperGl();
switch (maptexturestagemodel.Operation)
{
case MapTextureStageModel.OperationType.NoTexture:
g.DisableTexture2d();
g.EnableModulate();
break;
case MapTextureStageModel.OperationType.Add:
splattexture.Apply();
SetTextureScale(1 / (double)maptexturestagemodel.Tilesize);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Add;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Previous);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Apply();
break;
case MapTextureStageModel.OperationType.Blend:
if (UsingMultipass)
{
if (texturestagenum == 0)
{
blendtexture.Apply();
SetTextureScale(1 / (double)mapwidth);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Replace;
texturecombine.Args[0].SetAlphaSource(GlCombineArg.Source.Texture, GlCombineArg.Operand.Alpha);
texturecombine.Apply();
}
else
{
splattexture.Apply();
SetTextureScale(1 / (double)maptexturestagemodel.Tilesize);
new GraphicsHelperGl().EnableModulate();
}
}
else
{
if (texturestagenum == 0)
{
blendtexture.Apply();
SetTextureScale(1 / (double)mapwidth);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Replace;
texturecombine.Args[0].SetRgbSource(GlCombineArg.Source.Previous, GlCombineArg.Operand.Rgb);
texturecombine.Args[0].SetAlphaSource(GlCombineArg.Source.Texture, GlCombineArg.Operand.Alpha);
texturecombine.Apply();
}
else
{
splattexture.Apply();
SetTextureScale(1 / (double)maptexturestagemodel.Tilesize);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Interpolate;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Previous);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Args[2].SetRgbSource(GlCombineArg.Source.Previous, GlCombineArg.Operand.Alpha);
texturecombine.Args[2].SetAlphaSource(GlCombineArg.Source.Previous, GlCombineArg.Operand.Alpha);
texturecombine.Apply();
}
}
break;
case MapTextureStageModel.OperationType.Multiply:
splattexture.Apply();
SetTextureScale(1 / (double)maptexturestagemodel.Tilesize);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Modulate;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Previous);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Apply();
break;
case MapTextureStageModel.OperationType.Subtract:
splattexture.Apply();
SetTextureScale(1 / (double)maptexturestagemodel.Tilesize);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Subtract;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Previous);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Apply();
break;
case MapTextureStageModel.OperationType.Replace:
splattexture.Apply();
SetTextureScale(1 / (double)maptexturestagemodel.Tilesize);
texturecombine = new GlTextureCombine();
texturecombine.Operation = GlTextureCombine.OperationType.Modulate;
texturecombine.Args[0].SetRgbaSource(GlCombineArg.Source.Texture);
texturecombine.Args[1].SetRgbaSource(GlCombineArg.Source.Fragment);
texturecombine.Apply();
break;
}
}
