/* * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see . */ package com.l2jserver.gameserver.network.gameserverpackets; import java.io.ByteArrayOutputStream; import java.io.IOException; import com.l2jserver.gameserver.TaskPriority; /** * @author -Wooden- * */ public abstract class GameServerBasePacket { private ByteArrayOutputStream _bao; protected GameServerBasePacket() { _bao = new ByteArrayOutputStream(); } protected void writeD(int value) { _bao.write(value &0xff); _bao.write(value >> 8 &0xff); _bao.write(value >> 16 &0xff); _bao.write(value >> 24 &0xff); } protected void writeH(int value) { _bao.write(value &0xff); _bao.write(value >> 8 &0xff); } protected void writeC(int value) { _bao.write(value &0xff); } protected void writeF(double org) { long value = Double.doubleToRawLongBits(org); _bao.write((int)(value &0xff)); _bao.write((int)(value >> 8 &0xff)); _bao.write((int)(value >> 16 &0xff)); _bao.write((int)(value >> 24 &0xff)); _bao.write((int)(value >> 32 &0xff)); _bao.write((int)(value >> 40 &0xff)); _bao.write((int)(value >> 48 &0xff)); _bao.write((int)(value >> 56 &0xff)); } protected void writeS(String text) { try { if (text != null) { _bao.write(text.getBytes("UTF-16LE")); } } catch (Exception e) { e.printStackTrace(); } _bao.write(0); _bao.write(0); } protected void writeB(byte[] array) { try { _bao.write(array); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public int getLength() { return _bao.size()+2; } public byte[] getBytes() { writeD(0x00); // reserve for checksum int padding = _bao.size() % 8; if (padding != 0) { for (int i = padding; i<8;i++) { writeC(0x00); } } return _bao.toByteArray(); } public TaskPriority getPriority() { return TaskPriority.PR_HIGH; } public abstract byte[] getContent() throws IOException; }