Applied-Energistics-2-tilera-Edition/core/sync/packets/PacketConfigButton.java

package appeng.core.sync.packets;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

import java.io.IOException;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import appeng.api.config.Settings;
import appeng.api.util.IConfigManager;
import appeng.api.util.IConfigureableObject;
import appeng.container.AEBaseContainer;
import appeng.core.sync.AppEngPacket;
import appeng.core.sync.network.INetworkInfo;
import appeng.util.Platform;

public class PacketConfigButton extends AppEngPacket
{

	final public Settings option;
	final public boolean rotationDirection;

	// automatic.
	public PacketConfigButton(ByteBuf stream) throws IOException {
		option = Settings.values()[stream.readInt()];
		rotationDirection = stream.readBoolean();
	}

	@Override
	public void serverPacketData(INetworkInfo manager, AppEngPacket packet, EntityPlayer player)
	{
		EntityPlayerMP sender = (EntityPlayerMP) player;
		AEBaseContainer aebc = (AEBaseContainer) sender.openContainer;
		if ( aebc.getTarget() instanceof IConfigureableObject )
		{
			IConfigManager cm = ((IConfigureableObject) aebc.getTarget()).getConfigManager();
			Enum newState = Platform.rotateEnum( cm.getSetting( option ), rotationDirection, option.getPossibleValues() );
			cm.putSetting( option, newState );
		}
	}

	// api
	public PacketConfigButton(Settings option, boolean rotationDirection) throws IOException {
		this.option = option;
		this.rotationDirection = rotationDirection;

		ByteBuf data = Unpooled.buffer();

		data.writeInt( getPacketID() );
		data.writeInt( option.ordinal() );
		data.writeBoolean( rotationDirection );

		configureWrite( data );
	}
}