void SetLOD2HindicesCPUSide(uint[] hsorted)
{
if (hsorted.Length == 0)
{
return;
}
lod2HindicesCPUSide = new List <int>(hsorted.Length / 8);
lod2HindicesCPUSide.Add(0);
int prev = (int)hsorted[0];
int next;
for (int i = 0; i < hsorted.Length; ++i)
{
next = (int)hsorted[i];
if (TestHilbertIndices.isDifferentHilbertCube(prev, next, 2))
{
lod2HindicesCPUSide.Add(i);
prev = next;
}
}
Debug.Log("hsorted: " + hsorted.Length);
Debug.Log("LOD2 indices: " + lod2HindicesCPUSide.Count);
List <int> lodTwoVoxels = new List <int>(lod2HindicesCPUSide.Count);
foreach (int index in lod2HindicesCPUSide)
{
lodTwoVoxels.Add((int)hsorted[index]);
}
Debug.Log("lodTwoVoxels: " + lodTwoVoxels.Count);
DebugDrawVoxelOrder.Draw(lodTwoVoxels.ToArray(), vGenConfig.ChunkSizeX + 1);
//EditorApplication.isPaused = true;
}
private static MapDisplay.DisplayBuffers GenerateMapBuffers(List <IntVector3.IndexedIntVector3> points)
{
List <uint> voxels = new List <uint>(points.Count);
List <uint> hindices = new List <uint>(points.Count / 2);
IntVector3 prevFour = points[0];
IntVector3 prevTwo = points[0];
hindices.Add(0);
int hFourCount = 1;
for (int i = 0; i < points.Count; ++i)
{
var iv = points[i];
voxels.Add(iv.v.ToVoxel());
if (TestHilbertIndices.isDifferentHilbertCube(iv.v, prevFour, 4))
{
prevFour = iv.v;
hindices.Add((uint)i);
hFourCount++;
}
}
for (int i = 0; i < points.Count; ++i)
{
var iv = points[i];
if (!TestHilbertIndices.isDifferentHilbertCube(iv.v, prevFour, 4))
{
if (TestHilbertIndices.isDifferentHilbertCube(iv.v, prevTwo, 2))
{
prevTwo = iv.v;
hindices.Add((uint)i);
}
}
else
{
prevFour = iv.v;
}
}
uint[] hilbertRanges = new uint[] { (uint)points.Count, (uint)hindices.Count, (uint)hFourCount }; // (uint)hindices.Count };
MapDisplay.DisplayBuffers dbuffers = new MapDisplay.DisplayBuffers();
dbuffers.display = new ComputeBuffer(voxels.Count, sizeof(uint));
dbuffers.display.SetData(voxels.ToArray());
dbuffers.hilbertIndices = new ComputeBuffer(hindices.Count, sizeof(uint));
dbuffers.hilbertIndices.SetData(hindices.ToArray());
dbuffers.hilbertLODRanges = new ComputeBuffer(hilbertRanges.Length, sizeof(uint));
dbuffers.hilbertLODRanges.SetData(hilbertRanges);
return(dbuffers);
}
