uint GetVoxelFromGenDataArray(NativeArray <VoxelGenDataMirror> data, IntVector3 posOverDiv)
{
int opI;
if (lodIndex == 0)
{
opI = posOverDiv.ToFlatZXYIndex(chunkSize);
int opMod = opI % voxelsPerMapData;
opI /= voxelsPerMapData;
uint voxels = data[opI].voxel;
return((uint)VGenConfig.DecodeMapGenType(voxels, opMod));
}
else
{
int div = (int)Mathf.Pow(2, lodIndex);
opI = (posOverDiv).ToFlatXYZIndex(chunkSize / div);
return((uint)VGenConfig.DecodeVoxelType(data[opI].voxel)); //This is a type-x-y-z encoded voxel if set. if not, its just EmptyVoxel
}
}
public static uint GetExists(NativeArray <uint> existsMap, IntVector3 pos, IntVector3 chunkSize)
{
var val = existsMap[GetExistsMapIndex(pos, chunkSize)];
return((val >> (pos.ToFlatZXYIndex(chunkSize) % VGenConfig.SizeOfHLSLInt)) & 1);
}
public static int GetExistsMapIndex(IntVector3 pos, IntVector3 chunkSize)
{
return(pos.ToFlatZXYIndex(chunkSize) / VGenConfig.SizeOfHLSLInt);
}
public static int GetPerlinGenPackedIndex(IntVector3 chunkRelative, IntVector3 chunkSize, int voxelsPerMapData = 4)
{
return(chunkRelative.ToFlatZXYIndex(chunkSize) / voxelsPerMapData);
}
