Packet05Resources.java

/*******************************************************************************
 * Copyright 2015 Maximilian Stark | Dakror <mail@dakror.de>
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/


package de.dakror.arise.net.packet;

import java.nio.ByteBuffer;

import de.dakror.arise.settings.Resources;

/**
 * @author Dakror
 */
public class Packet05Resources extends Packet {
	Resources resources;
	int cityId;
	
	public Packet05Resources(int cityId) {
		super(5);
		this.cityId = cityId;
	}
	
	public Packet05Resources(int cityId, Resources res) {
		super(5);
		this.cityId = cityId;
		resources = res;
	}
	
	public Packet05Resources(byte[] data) {
		super(5);
		
		if (data.length > 5) {
			ByteBuffer bb = ByteBuffer.wrap(data);
			bb.get(); // skip packet id
			
			cityId = bb.getInt();
			byte[] d = new byte[bb.capacity() - 5];
			bb.get(d, 0, d.length);
			resources = new Resources(d);
		} else cityId = Integer.parseInt(readData(data).trim());
	}
	
	public Resources getResources() {
		return resources;
	}
	
	public int getCityId() {
		return cityId;
	}
	
	@Override
	protected byte[] getPacketData() {
		if (resources == null) {
			ByteBuffer bb = ByteBuffer.allocate(4);
			bb.putInt(cityId);
			return bb.array();
		}
		
		byte[] b = resources.getBinaryData();
		ByteBuffer bb = ByteBuffer.allocate(b.length + 4);
		bb.putInt(cityId);
		bb.put(b);
		
		return bb.array();
	}
}