/*
* This file is part of Vanilla.
*
* Copyright (c) 2011 Spout LLC <http://www.spout.org/>
* Vanilla is licensed under the Spout License Version 1.
*
* Vanilla is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* In addition, 180 days after any changes are published, you can use the
* software, incorporating those changes, under the terms of the MIT license,
* as described in the Spout License Version 1.
*
* Vanilla 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 Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License,
* the MIT license and the Spout License Version 1 along with this program.
* If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
* License and see <http://spout.in/licensev1> for the full license, including
* the MIT license.
*/
package org.spout.vanilla.protocol.handler.player;
import org.spout.api.entity.Player;
import org.spout.api.protocol.ClientSession;
import org.spout.api.protocol.MessageHandler;
import org.spout.api.protocol.ServerSession;
import org.spout.vanilla.component.entity.living.Human;
import org.spout.vanilla.event.player.PlayerHeldItemChangeEvent;
import org.spout.vanilla.event.player.network.PlayerSelectedSlotChangeEvent;
import org.spout.vanilla.inventory.entity.QuickbarInventory;
import org.spout.vanilla.protocol.msg.player.PlayerHeldItemChangeMessage;
import org.spout.vanilla.util.PlayerUtil;
public final class PlayerHeldItemChangeHandler extends MessageHandler<PlayerHeldItemChangeMessage> {
@Override
public void handleServer(ServerSession session, PlayerHeldItemChangeMessage message) {
Human human = session.getPlayer().get(Human.class);
if (human == null) {
return;
}
final int newSlot = message.getSlot();
if (newSlot < 0 || newSlot > 8) {
return;
}
Player player = session.getPlayer();
QuickbarInventory quickbar = PlayerUtil.getQuickbar(session.getPlayer());
if (quickbar == null) {
return;
}
PlayerHeldItemChangeEvent event = new PlayerHeldItemChangeEvent(player, quickbar.getSelectedSlot().getIndex(), newSlot);
if (player.getEngine().getEventManager().callEvent(event).isCancelled()) {
// Reset
player.getNetwork().callProtocolEvent(new PlayerSelectedSlotChangeEvent(session.getPlayer(), event.getPreviousSlot()), player);
} else {
quickbar.setSelectedSlot(event.getNewSlot());
quickbar.updateHeldItem(player);
// Changed slot by event handler
if (newSlot != event.getNewSlot()) {
player.getNetwork().callProtocolEvent(new PlayerSelectedSlotChangeEvent(session.getPlayer(), event.getNewSlot()), player);
}
}
}
@Override
public void handleClient(ClientSession session, PlayerHeldItemChangeMessage message) {
QuickbarInventory quickbar = PlayerUtil.getQuickbar(session.getPlayer());
if (quickbar == null) {
return;
}
quickbar.setSelectedSlot(message.getSlot());
}
}