public void HandleMultiBlockChange(MinecraftClient client, IPacket packet) {
            var myPacket = (CBMultiBlockChange)packet;
            int chunkID = client.MinecraftWorld.GetChunk(myPacket.ChunkX, myPacket.ChunkZ);

            if (chunkID == -1) {
                client.RaiseError(this, "Attempted to access uninitialized chunk");
                return;
            }

            var thisChunk = client.MinecraftWorld.worldChunks[chunkID];

            for (int i = 0; i < myPacket.Recordcount - 1; i++) {
                var thisRecord = myPacket.Records[i];

                thisChunk.UpdateBlock(thisRecord.X, thisRecord.Y, thisRecord.Z, thisRecord.BlockID);
                thisChunk.SetBlockData(thisRecord.X, thisRecord.Y, thisRecord.Z, thisRecord.Metadata);
            }

            client.RaiseMultiBlockChange(myPacket.ChunkX, myPacket.ChunkX);
        }