public override void SetChunk(Chunk cnk)
{
Vector2i id = GetChunkHandle((int)cnk.Position.X, (int)cnk.Position.Z);
mCurrentChunk = cnk;
mCurrentChunkX = (int)cnk.Position.X;
mCurrentChunkZ = (int)cnk.Position.Z;
if (mChunks.ContainsKey(id))
mChunks[id] = cnk;
else
mChunks.Add(id, cnk);
}