playerinteractionhandler.java

冒险岛私服Java版服务端(Odinms)源代码。学习JAVA开发的朋友

/*
	This file is part of the OdinMS Maple Story Server
    Copyright (C) 2008 Patrick Huy <[e-mail]> 
                       Matthias Butz <[e-mail]>
                       Jan Christian Meyer <[e-mail]>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License version 3
    as published by the Free Software Foundation. You may not use, modify
    or distribute this program under any other version of the
    GNU Affero General Public License.

    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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package net.sf.odinms.net.channel.handler;

import net.sf.odinms.client.IItem;
import net.sf.odinms.client.MapleCharacter;
import net.sf.odinms.client.MapleClient;
import net.sf.odinms.client.MapleInventoryType;
import net.sf.odinms.net.AbstractMaplePacketHandler;
import net.sf.odinms.server.MapleInventoryManipulator;
import net.sf.odinms.server.MapleItemInformationProvider;
import net.sf.odinms.server.MaplePlayerShop;
import net.sf.odinms.server.MaplePlayerShopItem;
import net.sf.odinms.server.MapleTrade;
import net.sf.odinms.server.maps.MapleMapObject;
import net.sf.odinms.tools.MaplePacketCreator;
import net.sf.odinms.tools.data.input.SeekableLittleEndianAccessor;

/**
 *
 * @author Matze
 */
public class PlayerInteractionHandler extends AbstractMaplePacketHandler {
	private static org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(PlayerInteractionHandler.class);	
	
	private enum Action {
		CREATE(0),
		INVITE(2),
		DECLINE(3),
		VISIT(4),
		CHAT(6),
		EXIT(0xA),
		OPEN(0xB),
		SET_ITEMS(0xD),
		SET_MESO(0xE),
		CONFIRM(0xF),
		ADD_ITEM(0x13),
		BUY(0x14),
		REMOVE_ITEM(0x18); //slot(byte) bundlecount(short)
		
		final byte code;
		
		private Action(int code) {
			this.code = (byte) code;
		}
		
		public byte getCode() {
			return code;
		}
	}

	public void handlePacket(SeekableLittleEndianAccessor slea, MapleClient c) {
		byte mode = slea.readByte();
		if (mode == Action.CREATE.getCode()) {
			byte createType = slea.readByte();
			if (createType == 3) { // trade
				MapleTrade.startTrade(c.getPlayer());
			} else if (createType == 4) { // shop
				String desc = slea.readMapleAsciiString();
				@SuppressWarnings("unused")
				byte uk1 = slea.readByte(); // maybe public/private 00
				@SuppressWarnings("unused")
				short uk2 = slea.readShort(); // 01 00
				@SuppressWarnings("unused")
				int uk3 = slea.readInt(); // 20 6E 4E
				MaplePlayerShop shop = new MaplePlayerShop(c.getPlayer(), desc);
				c.getPlayer().setPlayerShop(shop);
				c.getPlayer().getMap().addMapObject(shop);
				shop.sendShop(c);
			}
		} else if (mode == Action.INVITE.getCode()) {
			int otherPlayer = slea.readInt();
			MapleCharacter otherChar = c.getPlayer().getMap().getCharacterById(otherPlayer);
			MapleTrade.inviteTrade(c.getPlayer(), otherChar);
		} else if (mode == Action.DECLINE.getCode()) {
			MapleTrade.declineTrade(c.getPlayer());
		} else if (mode == Action.VISIT.getCode()) {
			// we will ignore the trade oids for now
			if (c.getPlayer().getTrade() != null && c.getPlayer().getTrade().getPartner() != null) {
				MapleTrade.visitTrade(c.getPlayer(), c.getPlayer().getTrade().getPartner().getChr());
			} else {
				int oid = slea.readInt();
				MapleMapObject ob = c.getPlayer().getMap().getMapObject(oid);
				if (ob instanceof MaplePlayerShop) {
					MaplePlayerShop shop = (MaplePlayerShop) ob;
					if (shop.hasFreeSlot() && !shop.isVisitor(c.getPlayer())) {
						shop.addVisitor(c.getPlayer());
						c.getPlayer().setPlayerShop(shop);
						shop.sendShop(c);
					}
				}
			}
		} else if (mode == Action.CHAT.getCode()) { // chat lol
			if (c.getPlayer().getTrade() != null) {
				c.getPlayer().getTrade().chat(slea.readMapleAsciiString());
			} else {
				MaplePlayerShop shop = c.getPlayer().getPlayerShop();
				if (shop != null) {
					shop.chat(c, slea.readMapleAsciiString());
				}
			}
		} else if (mode == Action.EXIT.getCode()) {
			if (c.getPlayer().getTrade() != null) {
				MapleTrade.cancelTrade(c.getPlayer());
			} else {
/*				MaplePlayerShop shop = c.getPlayer().getPlayerShop();
				if (shop != null) {
					c.getPlayer().setPlayerShop(null);
					if (shop.isOwner(c.getPlayer())) {
						c.getPlayer().getMap().broadcastMessage(MaplePacketCreator.updateCharBox(c.getPlayer()));
						// return the items not sold
						for (MaplePlayerShopItem item : shop.getItems()) {
							IItem iItem = item.getItem().copy();
							iItem.setQuantity((short) (item.getBundles() * iItem.getQuantity()));
							StringBuilder logInfo = new StringBuilder("Returning items not sold in ");
							logInfo.append(c.getPlayer().getName());
							logInfo.append("'s shop");
							MapleInventoryManipulator.addFromDrop(c, iItem, logInfo.toString());
						}
					} else {
						shop.removeVisitor(c.getPlayer());
					}
				}*/
			}
		} else if (mode == Action.OPEN.getCode()) {
			MaplePlayerShop shop = c.getPlayer().getPlayerShop();
			if (shop != null && shop.isOwner(c.getPlayer())) {
				@SuppressWarnings("unused")
				byte uk1 = slea.readByte(); // 01
				c.getPlayer().getMap().broadcastMessage(MaplePacketCreator.updateCharBox(c.getPlayer()));
			}
		} else if (mode == Action.SET_MESO.getCode()) {
			c.getPlayer().getTrade().setMeso(slea.readInt());
		} else if (mode == Action.SET_ITEMS.getCode()) {
			MapleItemInformationProvider ii = MapleItemInformationProvider.getInstance();
			MapleInventoryType ivType = MapleInventoryType.getByType(slea.readByte());
			IItem item = c.getPlayer().getInventory(ivType).getItem((byte) slea.readShort());
			short quantity = slea.readShort();
			byte targetSlot = slea.readByte();
			if (c.getPlayer().getTrade() != null) {
				if ((quantity <= item.getQuantity() && quantity >= 0) || ii.isThrowingStar(item.getItemId())) {
					IItem tradeItem = item.copy();
					if (ii.isThrowingStar(item.getItemId())) {
						tradeItem.setQuantity(item.getQuantity());
						MapleInventoryManipulator.removeFromSlot(c, ivType, item.getPosition(), item.getQuantity(), true);
					} else {
						tradeItem.setQuantity(quantity);
						MapleInventoryManipulator.removeFromSlot(c, ivType, item.getPosition(), quantity, true);
					}
					tradeItem.setPosition(targetSlot);
					c.getPlayer().getTrade().addItem(tradeItem);
				} else if (quantity < 0) {
					log.info("[h4x] {} Trading negative amounts of an item", c.getPlayer().getName());
				}
			}
		} else if (mode == Action.CONFIRM.getCode()) {
			MapleTrade.completeTrade(c.getPlayer());
		} else if (mode == Action.ADD_ITEM.getCode()) {
			MaplePlayerShop shop = c.getPlayer().getPlayerShop();
			if (shop != null && shop.isOwner(c.getPlayer())) {
				MapleInventoryType type = MapleInventoryType.getByType(slea.readByte());
				byte slot = (byte) slea.readShort();
				short bundles = slea.readShort();
				short perBundle = slea.readShort();
				int price = slea.readInt();
				IItem ivItem = c.getPlayer().getInventory(type).getItem(slot);
				if (ivItem != null && ivItem.getQuantity() >= bundles * perBundle) {
					IItem sellItem = ivItem.copy();
					sellItem.setQuantity(perBundle);
					MaplePlayerShopItem item = new MaplePlayerShopItem(
						shop, sellItem, bundles, price);
					shop.addItem(item);
					// can be put in addItem without faek o.o
					MapleInventoryManipulator.removeFromSlot(c, type, slot, 
						(short) (bundles * perBundle), true);
					c.getSession().write(MaplePacketCreator.getPlayerShopItemUpdate(shop));
				}
				
			}			
		} else if (mode == Action.REMOVE_ITEM.getCode()) {
			/*MaplePlayerShop shop = c.getPlayer().getPlayerShop();
			if (shop != null && shop.isOwner(c.getPlayer())) {
				int slot = slea.readShort();
				MaplePlayerShopItem item = shop.getItems().get(slot);
				IItem ivItem = item.getItem().copy();
				shop.removeItem(slot);
				ivItem.setQuantity((short) (item.getBundles() * ivItem.getQuantity()));
				StringBuilder logInfo = new StringBuilder("Taken out from player shop by ");
				logInfo.append(c.getPlayer().getName());
				MapleInventoryManipulator.addFromDrop(c, ivItem, logInfo.toString());
				c.getSession().write(MaplePacketCreator.getPlayerShopItemUpdate(shop));
			}*/			
		}
	}

}