private static FixedFunction.ShadingConfiguration CreateShadingConfiguration(W3dShader w3dShader)
{
return(new FixedFunction.ShadingConfiguration
{
DiffuseLightingType = w3dShader.PrimaryGradient.ToDiffuseLightingType(),
SpecularEnabled = (w3dShader.SecondaryGradient == W3dShaderSecondaryGradient.Enable) ? 1u : 0u,
TexturingEnabled = (w3dShader.Texturing == W3dShaderTexturing.Enable) ? 1u : 0u,
SecondaryTextureColorBlend = w3dShader.DetailColorFunc.ToSecondaryTextureBlend(),
SecondaryTextureAlphaBlend = w3dShader.DetailAlphaFunc.ToSecondaryTextureBlend(),
AlphaTest = (w3dShader.AlphaTest == W3dShaderAlphaTest.Enable) ? 1u : 0u
});
}
// One ModelMeshPart for each unique shader in a W3D_CHUNK_MATERIAL_PASS.
private static ModelMeshPart CreateModelMeshPart(
uint startIndex,
uint indexCount,
W3dMesh w3dMesh,
W3dShader w3dShader)
{
var rasterizerState = RasterizerStateDescription.CullBackSolid;
rasterizerState.CullMode = w3dMesh.Header.Attributes.HasFlag(W3dMeshFlags.TwoSided)
? CullMode.None
: CullMode.CullBack;
var depthState = DepthStencilStateDescription.Default;
depthState.IsDepthEnabled = true;
depthState.IsDepthWriteEnabled = w3dShader.DepthMask == W3dShaderDepthMask.WriteEnable;
// TODO: DepthCompare
var blendState = BlendStateDescription.Opaque;
blendState.Enabled = w3dShader.SrcBlend != W3dShaderSrcBlendFunc.One ||
w3dShader.DestBlend != W3dShaderDestBlendFunc.Zero;
blendState.SourceBlend = w3dShader.SrcBlend.ToBlend();
blendState.DestinationBlend = w3dShader.DestBlend.ToBlend();
var pipelineStateHandle = new EffectPipelineState(
rasterizerState,
depthState,
blendState)
.GetHandle();
return(new ModelMeshPart(
startIndex,
indexCount,
w3dShader.AlphaTest == W3dShaderAlphaTest.Enable,
w3dShader.Texturing == W3dShaderTexturing.Enable,
pipelineStateHandle));
}
