Implements item destroy

l2jserver2-gameserver/src/main/java/com/l2jserver/game/net/codec/Lineage2PacketReader.java

@@ -29,25 +29,26 @@ import com.l2jserver.game.net.Lineage2Client;
 import com.l2jserver.game.net.packet.ClientPacket;
 import com.l2jserver.game.net.packet.client.CM_ACTION_USE;
 import com.l2jserver.game.net.packet.client.CM_ADMIN_COMMAND;
-import com.l2jserver.game.net.packet.client.CM_CHAR_ATTACK;
 import com.l2jserver.game.net.packet.client.CM_AUTH_LOGIN;
 import com.l2jserver.game.net.packet.client.CM_BYPASS;
 import com.l2jserver.game.net.packet.client.CM_CHAR_ACTION;
 import com.l2jserver.game.net.packet.client.CM_CHAR_APPEARING;
+import com.l2jserver.game.net.packet.client.CM_CHAR_ATTACK;
+import com.l2jserver.game.net.packet.client.CM_CHAR_CHAT;
 import com.l2jserver.game.net.packet.client.CM_CHAR_CREATE;
 import com.l2jserver.game.net.packet.client.CM_CHAR_MOVE;
 import com.l2jserver.game.net.packet.client.CM_CHAR_OPEN_MAP;
 import com.l2jserver.game.net.packet.client.CM_CHAR_POSITION;
 import com.l2jserver.game.net.packet.client.CM_CHAR_REQ_INVENTORY;
 import com.l2jserver.game.net.packet.client.CM_CHAR_SELECT;
-import com.l2jserver.game.net.packet.client.CM_CHAR_CHAT;
-import com.l2jserver.game.net.packet.client.CM_ITEM_DROP;
 import com.l2jserver.game.net.packet.client.CM_ENTER_WORLD;
 import com.l2jserver.game.net.packet.client.CM_EXT_REQ_ALL_FORTRESS_INFO;
 import com.l2jserver.game.net.packet.client.CM_EXT_REQ_KEY_MAPPING;
 import com.l2jserver.game.net.packet.client.CM_EXT_REQ_MANOR_LIST;
 import com.l2jserver.game.net.packet.client.CM_GG_KEY;
 import com.l2jserver.game.net.packet.client.CM_GOTO_LOBBY;
+import com.l2jserver.game.net.packet.client.CM_ITEM_DESTROY;
+import com.l2jserver.game.net.packet.client.CM_ITEM_DROP;
 import com.l2jserver.game.net.packet.client.CM_LOGOUT;
 import com.l2jserver.game.net.packet.client.CM_PROTOCOL_VERSION;
 import com.l2jserver.game.net.packet.client.CM_REQUEST_CHAR_TEMPLATE;
@@ -190,6 +191,8 @@ public class Lineage2PacketReader extends OneToOneDecoder {
 			return CM_CHAR_ATTACK.class;
 		case CM_ITEM_DROP.OPCODE:
 			return CM_ITEM_DROP.class;
+		case CM_ITEM_DESTROY.OPCODE:
+			return CM_ITEM_DESTROY.class;
 		default:
 			logger.warn("Unknown packet for 0x{}", Integer.toHexString(opcode));
 			break;

l2jserver2-gameserver/src/main/java/com/l2jserver/game/net/packet/client/CM_ITEM_DESTROY.java

@@ -0,0 +1,100 @@
+/*
+ * This file is part of l2jserver2 <l2jserver2.com>.
+ *
+ * l2jserver2 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.
+ *
+ * l2jserver2 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 l2jserver2.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.game.net.packet.client;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+
+import com.google.inject.Inject;
+import com.l2jserver.game.net.Lineage2Client;
+import com.l2jserver.game.net.SystemMessage;
+import com.l2jserver.game.net.packet.AbstractClientPacket;
+import com.l2jserver.model.id.object.ItemID;
+import com.l2jserver.model.id.object.provider.ItemIDProvider;
+import com.l2jserver.model.world.Item;
+import com.l2jserver.service.game.item.ItemService;
+import com.l2jserver.service.game.item.NotEnoughItemsServiceException;
+
+/**
+ * This packet drops items on the ground.
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class CM_ITEM_DESTROY extends AbstractClientPacket {
+	/**
+	 * The packet OPCODE
+	 */
+	public static final int OPCODE = 0x60;
+
+	/**
+	 * The {@link ItemService}
+	 */
+	private final ItemService itemService;
+	private final ItemIDProvider itemIdProvider;
+
+	/**
+	 * The item ID
+	 */
+	private int objectId;
+	/**
+	 * The number of items to be dropped
+	 */
+	private long count;
+
+	/**
+	 * @param itemService
+	 *            the item service
+	 * @param itemIdProvider
+	 *            the item id provider
+	 */
+	@Inject
+	public CM_ITEM_DESTROY(ItemService itemService,
+			ItemIDProvider itemIdProvider) {
+		this.itemService = itemService;
+		this.itemIdProvider = itemIdProvider;
+	}
+
+	@Override
+	public void read(Lineage2Client conn, ChannelBuffer buffer) {
+		objectId = buffer.readInt();
+		count = buffer.readLong();
+	}
+
+	@Override
+	public void process(final Lineage2Client conn) {
+		final ItemID id = itemIdProvider.resolveID(objectId);
+		final Item item = id.getObject();
+
+		if (item == null) {
+			conn.sendActionFailed();
+			return;
+		}
+		if (!conn.getCharacterID().equals(item.getOwnerID())) {
+			conn.sendActionFailed();
+			return;
+		}
+
+		try {
+			if (itemService.destroy(item, count)) {
+				conn.removeInventoryItems(item);
+			} else {
+				conn.updateInventoryItems(item);
+			}
+		} catch (NotEnoughItemsServiceException e) {
+			conn.sendSystemMessage(SystemMessage.CANNOT_DISCARD_THIS_ITEM);
+		}
+	}
+}

l2jserver2-gameserver/src/main/java/com/l2jserver/model/world/Item.java

@@ -149,6 +149,13 @@ public class Item extends PositionableObject {
 		return ownerID;
 	}
 
+	/**
+	 * @return the owner
+	 */
+	public L2Character getOwner() {
+		return ownerID.getObject();
+	}
+
 	/**
 	 * @param ownerID
 	 *            the ownerID to set

l2jserver2-gameserver/src/main/java/com/l2jserver/service/game/item/ItemService.java

@@ -79,6 +79,29 @@ public interface ItemService extends Service {
 	 */
 	Item stack(Item... items) throws NonStackableItemsServiceException;
 
+	/**
+	 * Destroys the given item
+	 * 
+	 * @param item
+	 *            the item to be destroyed
+	 * @param count
+	 *            the amount of items to be destroyed
+	 * @return <code>true</code> if the entire item was destroyed.
+	 *         <code>false</code> only if it was partially destroyed.
+	 * @throws NotEnoughItemsServiceException
+	 *             if <code>count</code> is bigger than {@link Item#getCount()}.
+	 */
+	boolean destroy(Item item, long count)
+			throws NotEnoughItemsServiceException;
+
+	/**
+	 * Destroys several items
+	 * 
+	 * @param items
+	 *            the items to be destroyed
+	 */
+	void destroy(Item... items);
+
 	/**
 	 * Picks up an dropped item and places it into another players inventory
 	 * 

l2jserver2-gameserver/src/main/java/com/l2jserver/service/game/item/ItemServiceImpl.java

@@ -37,6 +37,7 @@ import com.l2jserver.service.AbstractService;
 import com.l2jserver.service.AbstractService.Depends;
 import com.l2jserver.service.ServiceStartException;
 import com.l2jserver.service.ServiceStopException;
+import com.l2jserver.service.core.threading.AsyncFuture;
 import com.l2jserver.service.database.DatabaseService;
 import com.l2jserver.service.game.spawn.AlreadySpawnedServiceException;
 import com.l2jserver.service.game.spawn.NotSpawnedServiceException;
@@ -157,6 +158,33 @@ public class ItemServiceImpl extends AbstractService implements ItemService {
 		return item;
 	}
 
+	@Override
+	public boolean destroy(Item item, long count)
+			throws NotEnoughItemsServiceException {
+		synchronized (item) {
+			Item destroyItem = split(item, count);
+			itemDao.delete(destroyItem);
+			if (destroyItem.getOwnerID() != null)
+				destroyItem.getOwner().getInventory().remove(destroyItem);
+			if (!destroyItem.equals(item))
+				itemDao.save(item);
+			return destroyItem.equals(item);
+		}
+	}
+
+	@Override
+	public void destroy(Item... items) {
+		// requests the delete and starts removing items from inventory model
+		AsyncFuture<Integer> async = itemDao.deleteObjectsAsync(items);
+		for (final Item item : items) {
+			if (item.getOwnerID() != null) {
+				item.getOwner().getInventory().remove(item);
+			}
+		}
+		// now wait until database operation finishes
+		async.awaitUninterruptibly();
+	}
+
 	@Override
 	public Item pickUp(Item item, L2Character character)
 			throws ItemNotOnGroundServiceException, NotSpawnedServiceException {
@@ -178,8 +206,7 @@ public class ItemServiceImpl extends AbstractService implements ItemService {
 					item = stack(stackItems);
 					Item[] deleteItems = ArrayUtils.copyArrayExcept(
 							Item[].class, stackItems, item);
-					character.getInventory().remove(deleteItems);
-					itemDao.deleteObjects(deleteItems);
+					destroy(deleteItems);
 					character.getInventory().add(item);
 				} catch (NonStackableItemsServiceException e) {
 					character.getInventory().add(item);