public void SetParameter(String paramName, bool isSemantic, Color value)
{
if (IsValid)
{
IEffectParameter param = null;
if (isSemantic)
{
param = _effect.Parameters.GetParameterBySemantic(paramName);
}
else
{
param = _effect.Parameters[paramName];
}
if (param == null)
{
return;
}
Vector4 v = value.ToVector4();
param.SetValue(v);
_cachedParameters[paramName] = new MaterialParameter(param, paramName, isSemantic, v);
}
else
{
throw new ArgumentNullException("Material does not have a valid effect loaded, cannot set parameter. Call LoadEffect() first.");
}
}
public MaterialParameter(MaterialParameter param, IEffectParameter replacement) {
_type = param.ParameterType;
_cachedParameter = replacement;
_name = param.Name;
_isSemantic = param.IsSemantic;
_singleValue = param.SingleValue;
_intValue = param.IntValue;
_boolValue = param.BoolValue;
_vector2Value = param.Vector2Value;
_vector3Value = param.Vector3Value;
_vector4Value = param.Vector4Value;
_textureValue = param.TextureValue;
_matrixValue = param.MatrixValue;
}
private void CloneParameters(Material clone)
{
foreach (KeyValuePair <String, MaterialParameter> kv in _cachedParameters)
{
MaterialParameter param = kv.Value;
switch (param.ParameterType)
{
case MaterialParameterType.Bool:
clone.SetParameter(param.Name, param.IsSemantic, param.BoolValue);
break;
case MaterialParameterType.Int32:
clone.SetParameter(param.Name, param.IsSemantic, param.IntValue);
break;
case MaterialParameterType.Single:
clone.SetParameter(param.Name, param.IsSemantic, param.SingleValue);
break;
case MaterialParameterType.Texture:
clone.SetParameter(param.Name, param.IsSemantic, param.TextureValue);
break;
case MaterialParameterType.Vector2:
clone.SetParameter(param.Name, param.IsSemantic, param.Vector2Value);
break;
case MaterialParameterType.Vector3:
clone.SetParameter(param.Name, param.IsSemantic, param.Vector3Value);
break;
case MaterialParameterType.Vector4:
clone.SetParameter(param.Name, param.IsSemantic, param.Vector4Value);
break;
case MaterialParameterType.Matrix:
clone.SetParameter(param.Name, param.IsSemantic, param.MatrixValue);
break;
}
}
}
private void RecomputeSortID()
{
if (_effect == null)
{
_sortID = -1;
return;
}
_sortID = _effect.ResourceID * 32;
foreach (KeyValuePair <String, MaterialParameter> kv in _cachedParameters)
{
MaterialParameter param = kv.Value;
if (param.ParameterType == MaterialParameterType.Texture)
{
Texture tex = param.TextureValue;
if (tex != null)
{
_sortID += tex.ResourceID;
}
}
}
}
