/// <summary>
/// Creates a new instance of the <see cref="EffectBinding"/> class for a material instance.
/// </summary>
internal EffectBinding CreateMaterialInstance()
{
Debug.Assert(Hints == EffectParameterHint.Material, "EffectBinding for material expected.");
// Note: The EffectBinding used in a Material can be a special binding, such as
// BasicEffectBinding. The EffectBinding used in the MaterialInstance is not a
// clone of the BasicEffectBinding, instead it is a normal EffectBinding.
// A material instance may contain all parameters, except global and material settings.
const EffectParameterHint hints = EffectParameterHint.Local
| EffectParameterHint.PerInstance
| EffectParameterHint.PerPass;
var effectBinding = new EffectBinding
{
EffectEx = EffectEx,
MaterialBinding = this,
TechniqueBinding = TechniqueBinding.Clone(),
ParameterBindings = new EffectParameterBindingCollection(hints),
OpaqueData = OpaqueData,
};
// Copy all local, per-instance and per-pass bindings.
foreach (var binding in EffectEx.ParameterBindings)
{
if ((binding.Description.Hint & hints) != 0)
{
effectBinding.ParameterBindings.Add(binding.Clone());
}
}
return(effectBinding);
}
/// <inheritdoc/>
protected override void CloneCore(EffectBinding source)
{
// Clone EffectBinding properties.
base.CloneCore(source);
// Clone DualTextureEffectBinding properties.
var sourceTyped = (DualTextureEffectBinding)source;
VertexColorEnabled = sourceTyped.VertexColorEnabled;
}
/// <inheritdoc/>
protected override void CloneCore(EffectBinding source)
{
// Clone EffectBinding properties.
base.CloneCore(source);
// Clone SkinnedEffectBinding properties.
var sourceTyped = (SkinnedEffectBinding)source;
PreferPerPixelLighting = sourceTyped.PreferPerPixelLighting;
WeightsPerVertex = sourceTyped.WeightsPerVertex;
}
/// <inheritdoc/>
protected override void CloneCore(EffectBinding source)
{
// Clone EffectBinding properties.
base.CloneCore(source);
// Clone AlphaTestEffectBinding properties.
var sourceTyped = (AlphaTestEffectBinding)source;
AlphaFunction = sourceTyped.AlphaFunction;
ReferenceAlpha = sourceTyped.ReferenceAlpha;
VertexColorEnabled = sourceTyped.VertexColorEnabled;
}
/// <inheritdoc/>
protected override void CloneCore(EffectBinding source)
{
// Clone EffectBinding properties.
base.CloneCore(source);
// Clone BasicEffectBinding properties.
var sourceTyped = (BasicEffectBinding)source;
LightingEnabled = sourceTyped.LightingEnabled;
PreferPerPixelLighting = sourceTyped.PreferPerPixelLighting;
TextureEnabled = sourceTyped.TextureEnabled;
VertexColorEnabled = sourceTyped.VertexColorEnabled;
}
protected virtual void CloneCore(EffectBinding source)
{
EffectEx = source.EffectEx;
MaterialBinding = source.MaterialBinding;
// Note: MorphWeights need to be set by MeshNode.
TechniqueBinding = source.TechniqueBinding.Clone();
OpaqueData = source.OpaqueData;
UserData = source.UserData;
// Clone parameter bindings (deep copy).
ParameterBindings = new EffectParameterBindingCollection(source.Hints);
foreach (var binding in source.ParameterBindings)
{
ParameterBindings.Add(binding.Clone());
}
}