OpenMinecraft.InfdevHandler.GetHeightAt C# (CSharp) Method

        public override int GetHeightAt(int px, int py)
        {
            int X = px / ChunkX;
            int Y = py / ChunkZ;

            int x = px - ((px >> 4) * ChunkX); //(px >> 4) & 0xf;
            int y = py - ((py >> 4) * ChunkZ); //(py >> 4) & 0xf;

            Chunk c = GetChunk(X, Y);
            return c.HeightMap[x, y];
        }