static void ProcessNodeChildrenRecursive(VisibleSets visibleSets,
WorldFrustrumPlanes frustrumPlanes,
int4 nodeID,
int depth)
{
int4 min;
int4 max;
Octree.GetMinMaxNodeChildrenID(nodeID, out min, out max);
var subNodeExtent = Octree.NodeExtent(depth);
for (int x = min.x; x < max.x; ++x)
{
for (int y = min.y; y < max.y; ++y)
{
for (int z = min.z; z < max.z; ++z)
{
var subNodeID = new int4(x, y, z, depth);
if (!Math.IsCubeCulled(Octree.NodeIDToPoint(subNodeID), subNodeExtent, frustrumPlanes))
{
var packedID = Octree.PackID(subNodeID);
visibleSets[depth].Add(packedID);
if (depth < Octree.LeafLayer)
{
ProcessNodeChildrenRecursive(visibleSets, frustrumPlanes, subNodeID, depth + 1);
}
}
}
}
}
}
static void ProcessFrustrumClusters(VisibleSets visibleSets,
AABB frustrumAABB,
WorldFrustrumPlanes frustrumPlanes)
{
int4 min;
int4 max;
Octree.GetMinMaxClusterIDs(frustrumAABB, out min, out max);
for (int x = min.x; x < max.x; ++x)
{
for (int y = min.y; y < max.y; ++y)
{
for (int z = min.z; z < max.z; ++z)
{
var clusterID = new int4(x, y, z, Octree.ClusterLayer);
if (!Math.IsCubeCulled(Octree.ClusterIDToPoint(clusterID.xyz), Octree.ClusterExtent, frustrumPlanes))
{
var packedID = Octree.PackID(clusterID);
visibleSets.ClusterLayer.Add(packedID);
ProcessNodeChildrenRecursive(visibleSets, frustrumPlanes, clusterID, 1);
}
}
}
}
}
public void Convert(Entity entity, EntityManager dstManager, GameObjectConversionSystem conversionSystem)
{
var visibleSets = new VisibleSets();
visibleSets.Setup();
dstManager.AddComponentData(entity, new VisibleSetsComponent {
Value = visibleSets
});
}