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src/main/java/server/maps/MapleMapItem.java

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+/*
+	This file is part of the OdinMS Maple Story Server
+    Copyright (C) 2008 ~ 2010 Patrick Huy <patrick.huy@frz.cc>
+                       Matthias Butz <matze@odinms.de>
+                       Jan Christian Meyer <vimes@odinms.de>
+
+    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 server.maps;
+
+import client.MapleCharacter;
+import client.MapleClient;
+import client.inventory.Item;
+import java.awt.Point;
+import java.util.concurrent.locks.Lock;
+import tools.MaplePacketCreator;
+import net.server.audit.locks.MonitoredLockType;
+import net.server.audit.locks.factory.MonitoredReentrantLockFactory;
+
+public class MapleMapItem extends AbstractMapleMapObject {
+    protected MapleClient ownerClient;
+    protected Item item;
+    protected MapleMapObject dropper;
+    protected int character_ownerid, party_ownerid, meso, questid = -1;
+    protected byte type;
+    protected boolean pickedUp = false, playerDrop, partyDrop;
+    protected long dropTime;
+    private Lock itemLock = MonitoredReentrantLockFactory.createLock(MonitoredLockType.MAP_ITEM);
+
+    public MapleMapItem(Item item, Point position, MapleMapObject dropper, MapleCharacter owner, MapleClient ownerClient, byte type, boolean playerDrop) {
+	setPosition(position);
+	this.item = item;
+	this.dropper = dropper;
+        this.character_ownerid = owner.getId();
+        this.party_ownerid = owner.getPartyId();
+        this.partyDrop = this.party_ownerid != -1;
+        this.ownerClient = owner.getClient();
+	this.meso = 0;
+	this.type = type;
+	this.playerDrop = playerDrop;
+    }
+
+    public MapleMapItem(Item item, Point position, MapleMapObject dropper, MapleCharacter owner, MapleClient ownerClient, byte type, boolean playerDrop, int questid) {
+	setPosition(position);
+	this.item = item;
+	this.dropper = dropper;
+        this.character_ownerid = owner.getId();
+        this.party_ownerid = owner.getPartyId();
+        this.partyDrop = this.party_ownerid != -1;
+	this.ownerClient = owner.getClient();
+        this.meso = 0;
+	this.type = type;
+	this.playerDrop = playerDrop;
+	this.questid = questid;
+    }
+
+    public MapleMapItem(int meso, Point position, MapleMapObject dropper, MapleCharacter owner, MapleClient ownerClient, byte type, boolean playerDrop) {
+	setPosition(position);
+	this.item = null;
+	this.dropper = dropper;
+	this.character_ownerid = owner.getId();
+        this.party_ownerid = owner.getPartyId();
+        this.partyDrop = this.party_ownerid != -1;
+        this.ownerClient = owner.getClient();
+        this.meso = meso;
+	this.type = type;
+	this.playerDrop = playerDrop;
+    }
+
+    public final Item getItem() {
+	return item;
+    }
+
+    public final int getQuest() {
+	return questid;
+    }
+
+    public final int getItemId() {
+	if (meso > 0) return meso;
+	return item.getItemId();
+    }
+
+    public final MapleMapObject getDropper() {
+	return dropper;
+    }
+
+    public final int getOwnerId() {
+	return character_ownerid;
+    }
+    
+    public final int getPartyOwnerId() {
+        return party_ownerid;
+    }
+    
+    public final void setPartyOwnerId(int partyid) {
+        party_ownerid = partyid;
+    }
+    
+    public final int getClientsideOwnerId() {   // thanks nozphex (RedHat) for noting an issue with collecting party items
+        if (this.party_ownerid == -1) {
+            return this.character_ownerid;
+        } else {
+            return this.party_ownerid;
+        }
+    }
+    
+    public final boolean hasClientsideOwnership(MapleCharacter player) {
+        return this.character_ownerid == player.getId() || this.party_ownerid == player.getPartyId() || hasExpiredOwnershipTime();
+    }
+    
+    public final boolean isFFADrop() {
+        return type == 2 || type == 3 || hasExpiredOwnershipTime();
+    }
+    
+    public final boolean hasExpiredOwnershipTime() {
+        return System.currentTimeMillis() - dropTime >= 15 * 1000;
+    }
+    
+    public final boolean canBePickedBy(MapleCharacter chr) {
+        if (character_ownerid <= 0 || isFFADrop()) return true;
+        
+        if (party_ownerid == -1) {
+            if (chr.getId() == character_ownerid) {
+                return true;
+            } else if (chr.isPartyMember(character_ownerid)) {
+                party_ownerid = chr.getPartyId();
+                return true;
+            }
+        } else {
+            if (chr.getPartyId() == party_ownerid) {
+                return true;
+            } else if (chr.getId() == character_ownerid) {
+                party_ownerid = chr.getPartyId();
+                return true;
+            }
+        }
+        
+        return hasExpiredOwnershipTime();
+    }
+    
+    public final MapleClient getOwnerClient() {
+	return (ownerClient.isLoggedIn() && !ownerClient.getPlayer().isAwayFromWorld()) ? ownerClient : null;
+    }
+
+    public final int getMeso() {
+	return meso;
+    }
+
+    public final boolean isPlayerDrop() {
+	return playerDrop;
+    }
+
+    public final boolean isPickedUp() {
+	return pickedUp;
+    }
+
+    public void setPickedUp(final boolean pickedUp) {
+	this.pickedUp = pickedUp;
+    }
+	
+    public long getDropTime() {
+        return dropTime;
+    }
+
+    public void setDropTime(long time) {
+        this.dropTime = time;
+    }
+
+    public byte getDropType() {
+	return type;
+    }
+    
+    public void lockItem() {
+        itemLock.lock();
+    }
+    
+    public void unlockItem() {
+        itemLock.unlock();
+    }
+
+    @Override
+    public final MapleMapObjectType getType() {
+	return MapleMapObjectType.ITEM;
+    }
+
+    @Override
+    public void sendSpawnData(final MapleClient client) {
+        MapleCharacter chr = client.getPlayer();
+        
+	if (chr.needQuestItem(questid, getItemId())) {
+	    this.lockItem();
+            try {
+                client.announce(MaplePacketCreator.dropItemFromMapObject(chr, this, null, getPosition(), (byte) 2));
+            } finally {
+                this.unlockItem();
+            }
+	}
+    }
+
+    @Override
+    public void sendDestroyData(final MapleClient client) {
+	client.announce(MaplePacketCreator.removeItemFromMap(getObjectId(), 1, 0));
+    }
+}