public void PreEvaluate(OperatorPart opPart)
{
if (opPart.Disabled)
{
return;
}
var transformFunc = opPart.Func as ISceneTransform;
if (transformFunc != null)
{
_transforms.Push(transformFunc.Transform * _transforms.Peek());
}
var meshSupplier = opPart.Func as IMeshSupplier;
if (meshSupplier != null)
{
if (!CollectedMeshes.ContainsKey(_transforms.Peek()))
{
CollectedMeshes.Add(_transforms.Peek(), new List <Mesh>());
}
meshSupplier.AddMeshesTo(CollectedMeshes[_transforms.Peek()]);
}
}
public void Collect(OperatorPart startPoint)
{
Clear();
startPoint.TraverseWithFunction(this, this);
if (!CollectedMeshes.Any())
{
Logger.Warn(_parent, "Found no mesh supplier, have you forgotten to add an input?");
}
}
private void Clear()
{
CollectedMeshes.Clear();
_transforms.Clear();
_transforms.Push(Matrix.Identity);
}