public override unsafe void GenerateSortKey(RenderView renderView, RenderViewStage renderViewStage, SortKey *sortKeys)
{
Matrix viewInverse = renderView.View;
viewInverse.Invert();
var plane = new Plane(viewInverse.Forward, Vector3.Dot(viewInverse.TranslationVector, viewInverse.Forward)); // TODO: Point-normal-constructor seems wrong. Check.
var renderNodes = renderViewStage.RenderNodes;
int distanceShift = 32 - distancePrecision;
int stateShift = 32 - statePrecision;
for (int i = 0; i < renderNodes.Count; ++i)
{
var renderNode = renderNodes[i];
var renderObject = renderNode.RenderObject;
var distance = CollisionHelper.DistancePlanePoint(ref plane, ref renderObject.BoundingBox.Center);
var distanceI = ComputeDistance(distance);
if (reverseDistance)
{
distanceI = ~distanceI;
}
// Compute sort key
sortKeys[i] = new SortKey {
Value = ((ulong)renderNode.RootRenderFeature.SortKey << 56) | ((ulong)(distanceI >> distanceShift) << distancePosition) | ((ulong)(renderObject.StateSortKey >> stateShift) << statePosition), Index = i, StableIndex = renderObject.Index
};
}
}
public abstract unsafe void GenerateSortKey(RenderView renderView, RenderViewStage renderViewStage, SortKey *sortKeys);
