private static void GetParameterValues(EffectParameter parameter, Dictionary<EffectParameter, object> values)
{
if (parameter.ParameterClass == EffectParameterClass.Struct)
{
if (parameter.Elements.Count > 0)
{
// ----- Effect parameter is an array of structs.
foreach (EffectParameter element in parameter.Elements)
GetParameterValues(element, values);
}
else
{
// ----- Effect parameter is a struct.
foreach (EffectParameter member in parameter.StructureMembers)
GetParameterValues(member, values);
}
return;
}
object value = null;
if (parameter.Elements.Count == 0)
{
// ----- Parameter is not an array.
if (parameter.ParameterClass == EffectParameterClass.Scalar)
{
// Scalar values.
if (parameter.ParameterType == EffectParameterType.Bool)
value = parameter.GetValueBoolean();
else if (parameter.ParameterType == EffectParameterType.Int32)
value = parameter.GetValueInt32();
else if (parameter.ParameterType == EffectParameterType.Single)
value = parameter.GetValueSingle();
}
else if (parameter.ParameterClass == EffectParameterClass.Vector
&& parameter.ParameterType == EffectParameterType.Single)
{
// Vector values.
if (parameter.ColumnCount == 2 || parameter.RowCount == 2)
value = parameter.GetValueVector2();
else if (parameter.ColumnCount == 3 || parameter.RowCount == 3)
value = parameter.GetValueVector3();
else if (parameter.ColumnCount == 4 || parameter.RowCount == 4)
value = parameter.GetValueVector4();
}
else if (parameter.ParameterClass == EffectParameterClass.Matrix
&& parameter.ParameterType == EffectParameterType.Single)
{
// Matrix value.
value = parameter.GetValueMatrix();
#else
// MonoGame throws exception if following condition is not met.
if (parameter.RowCount == 4 || parameter.ColumnCount == 4)
value = parameter.GetValueMatrix();
}
else if (parameter.ParameterClass == EffectParameterClass.Object)
{
// Object values.
if (parameter.ParameterType == EffectParameterType.String)
{
value = parameter.GetValueString();
}
else
{
// Effect parameter is texture. (Value is always null.)
}
}
}
else
{
// ----- Parameter is array.
int length = parameter.Elements.Count;
Debug.Assert(length > 0, "Effect parameter should be an array.");
if (parameter.ParameterClass == EffectParameterClass.Scalar)
{
// Scalar value bindings.
if (parameter.ParameterType == EffectParameterType.Bool)
value = parameter.GetValueBooleanArray(length);
else if (parameter.ParameterType == EffectParameterType.Int32)
value = parameter.GetValueInt32Array(length);
else if (parameter.ParameterType == EffectParameterType.Single)
value = parameter.GetValueSingleArray(length);
}
else if (parameter.ParameterClass == EffectParameterClass.Vector && parameter.ParameterType == EffectParameterType.Single)
{
if (parameter.ColumnCount == 2 || parameter.RowCount == 2)
value = parameter.GetValueVector2Array(length);
else if (parameter.ColumnCount == 3 || parameter.RowCount == 3)
value = parameter.GetValueVector3Array(length);
else if (parameter.ColumnCount == 4 || parameter.RowCount == 4)
value = parameter.GetValueVector4Array(length);
}
else if (parameter.ParameterClass == EffectParameterClass.Matrix && parameter.ParameterType == EffectParameterType.Single)
{
value = parameter.GetValueMatrixArray(length);
}
else if (parameter.ParameterClass == EffectParameterClass.Object)
{
// Note: Arrays of strings or textures are not supported in XNA.
}
}
if (value != null)
values.Add(parameter, value);
}