public static BitmapTag GetBitmap(this ShaderTag.ShaderTemplateArguments args, H2vMap map, int?index)
{
if (index.HasValue == false)
{
return(null);
}
if (map.TryGetTag(args.BitmapArguments[index.Value].Bitmap, out var bitm))
{
return(bitm);
}
return(null);
}
public static Vector4 GetInput(this ShaderTag.ShaderTemplateArguments args, int?index, Vector4 defaultValue = default)
{
if (defaultValue == default)
{
defaultValue = new Vector4(1, 1, 0, 0);
}
if (index.HasValue == false)
{
return(defaultValue);
}
if (index.Value >= args.ShaderInputs.Length)
{
return(defaultValue);
}
return(args.ShaderInputs[index.Value]);
}
private void PopulateFromMapping(
H2vMap map,
Material <BitmapTag> mat,
ShaderTag.ShaderTemplateArguments args,
MaterialMapping mapping)
{
mat.NormalMap = args.GetBitmap(map, mapping.NormalMapIndex);
mat.NormalMapScale = args.GetInput(mapping.NormalScaleIndex);
mat.DiffuseMap = args.GetBitmap(map, mapping.DiffuseMapIndex);
if (mapping.DiffuseColor.Length == 4)
{
mat.DiffuseColor = new Vector4(mapping.DiffuseColor[0], mapping.DiffuseColor[1], mapping.DiffuseColor[2], mapping.DiffuseColor[3]);
}
else if (mapping.DiffuseColor.Length == 1)
{
mat.DiffuseColor = new Vector4(mapping.DiffuseColor[0]);
}
mat.DetailMap1 = args.GetBitmap(map, mapping.Detail1MapIndex);
mat.Detail1Scale = args.GetInput(mapping.Detail1ScaleIndex);
mat.DetailMap2 = args.GetBitmap(map, mapping.Detail2MapIndex);
mat.Detail2Scale = args.GetInput(mapping.Detail2ScaleIndex);
mat.EmissiveMap = args.GetBitmap(map, mapping.EmissiveMapIndex);
mat.EmissiveArguments = args.GetInput(mapping.EmissiveArgumentsIndex);
mat.EmissiveType = mapping.EmissiveType;
mat.AlphaMap = args.GetBitmap(map, mapping.AlphaMapIndex);
mat.AlphaFromRed = mapping.AlphaFromRed;
mat.ColorChangeMask = args.GetBitmap(map, mapping.ColorChangeMaskMapIndex);
mat.SpecularMap = args.GetBitmap(map, mapping.SpecularMapIndex);
}
