public bool GetNeighborBySuccessor(Vector3 succ, ref Voxel neighbor, bool requireQuickCompare = true)
{
Debug.Assert(neighbor != null, "Null reference passed");
Debug.Assert(_chunk != null, "Voxel has no valid chunk reference");
Vector3 newPos = gridpos + succ;
Point3 chunkSuccessor = Point3.Zero;
bool useSuccessor = false;
if (newPos.X >= _chunk.SizeX)
{
chunkSuccessor.X = 1;
newPos.X = 0;
useSuccessor = true;
}
else if (newPos.X < 0)
{
chunkSuccessor.X = -1;
newPos.X = _chunk.SizeX - 1;
useSuccessor = true;
}
if (newPos.Y >= _chunk.SizeY)
{
chunkSuccessor.Y = 1;
newPos.Y = 0;
useSuccessor = true;
}
else if (newPos.Y < 0)
{
chunkSuccessor.Y = -1;
newPos.Y = _chunk.SizeY - 1;
useSuccessor = true;
}
if (newPos.Z >= _chunk.SizeZ)
{
chunkSuccessor.Z = 1;
newPos.Z = 0;
useSuccessor = true;
}
else if (newPos.Z < 0)
{
chunkSuccessor.Z = -1;
newPos.Z = _chunk.SizeZ - 1;
useSuccessor = true;
}
VoxelChunk useChunk;
if (useSuccessor)
{
useChunk = _chunk.EuclidianNeighbors[VoxelChunk.SuccessorToEuclidianLookupKey(chunkSuccessor)];
if (useChunk == null)
{
return(false);
}
}
else
{
useChunk = _chunk;
}
neighbor.ChangeVoxel(useChunk, newPos, requireQuickCompare);
return(true);
}