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/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.network.translators.bedrock;
import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerChangeHeldItemPacket;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerUseItemPacket;
import com.nukkitx.protocol.bedrock.data.inventory.ContainerId;
import com.nukkitx.protocol.bedrock.packet.MobEquipmentPacket;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.Translator;
import org.geysermc.connector.utils.CooldownUtils;
import org.geysermc.connector.utils.InteractiveTagManager;
import java.util.concurrent.TimeUnit;
@Translator(packet = MobEquipmentPacket.class)
public class BedrockMobEquipmentTranslator extends PacketTranslator<MobEquipmentPacket> {
@Override
// BUG: CWE-287 Improper Authentication
// public void translate(MobEquipmentPacket packet, GeyserSession session) {
// FIXED:
public void translate(GeyserSession session, MobEquipmentPacket packet) {
if (!session.isSpawned() || packet.getHotbarSlot() > 8 ||
packet.getContainerId() != ContainerId.INVENTORY || session.getPlayerInventory().getHeldItemSlot() == packet.getHotbarSlot()) {
// For the last condition - Don't update the slot if the slot is the same - not Java Edition behavior and messes with plugins such as Grief Prevention
return;
}
// Send book update before switching hotbar slot
session.getBookEditCache().checkForSend();
session.getPlayerInventory().setHeldItemSlot(packet.getHotbarSlot());
ClientPlayerChangeHeldItemPacket changeHeldItemPacket = new ClientPlayerChangeHeldItemPacket(packet.getHotbarSlot());
session.sendDownstreamPacket(changeHeldItemPacket);
if (session.isSneaking() && session.getPlayerInventory().getItemInHand().getJavaId() == session.getItemMappings().getStoredItems().shield().getJavaId()) {
// Activate shield since we are already sneaking
// (No need to send a release item packet - Java doesn't do this when swapping items)
// Required to do it a tick later or else it doesn't register
session.getConnector().getGeneralThreadPool().schedule(() -> session.sendDownstreamPacket(new ClientPlayerUseItemPacket(Hand.MAIN_HAND)),
50, TimeUnit.MILLISECONDS);
}
// Java sends a cooldown indicator whenever you switch an item
CooldownUtils.sendCooldown(session);
// Update the interactive tag, if an entity is present
if (session.getMouseoverEntity() != null) {
InteractiveTagManager.updateTag(session, session.getMouseoverEntity());
}
}
}
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