public static uint[] PackedGenVoxels(IntVector3 size, Func <IntVector3, bool> shouldBeSolid)
{
var dims = size;
dims.y /= VGenConfig.VoxelsPerMapData;
uint[] result = new uint[dims.Area];
for (int x = 0; x < dims.x; ++x)
{
for (int z = 0; z < dims.z; ++z)
{
for (int y = 0; y < dims.y; ++y)
{
var pos = new IntVector3(x, y, z);
int index = pos.ToFlatXZYIndex(dims);
pos.y *= VGenConfig.VoxelsPerMapData;
int voxels = 0;
for (int i = 0; i < VGenConfig.VoxelsPerMapData; ++i)
{
if (shouldBeSolid(pos))
{
voxels |= (2 << (i * VGenConfig.VoxelMapDataBitSize));
}
pos.y++;
}
result[index] = (uint)voxels;
}
}
}
return(result);
}