package game.packet;

import java.io.IOException;

import game.init.BlockRegistry;
import game.network.ClientPlayer;
import game.network.Packet;
import game.network.PacketBuffer;
import game.world.BlockPos;
import game.world.State;
import game.world.World;

public class SPacketBlockChange implements Packet<ClientPlayer>
{
    private BlockPos blockPosition;
    private State blockState;

    public SPacketBlockChange()
    {
    }

    public SPacketBlockChange(World worldIn, BlockPos blockPositionIn)
    {
        this.blockPosition = blockPositionIn;
        this.blockState = worldIn.getState(blockPositionIn);
    }

    /**
     * Reads the raw packet data from the data stream.
     */
    public void readPacketData(PacketBuffer buf) throws IOException
    {
        this.blockPosition = buf.readBlockPos();
        this.blockState = (State)BlockRegistry.STATEMAP.getByValue(buf.readVarIntFromBuffer());
    }

    /**
     * Writes the raw packet data to the data stream.
     */
    public void writePacketData(PacketBuffer buf) throws IOException
    {
        buf.writeBlockPos(this.blockPosition);
        buf.writeVarIntToBuffer(BlockRegistry.STATEMAP.get(this.blockState));
    }

    /**
     * Passes this Packet on to the NetHandler for processing.
     */
    public void processPacket(ClientPlayer handler)
    {
        handler.handleBlockChange(this);
    }

    public State getBlockState()
    {
        return this.blockState;
    }

    public BlockPos getBlockPosition()
    {
        return this.blockPosition;
    }
}