forked from GeyserMC/Geyser
Prevent Bedrock from changing gamemode client-side (#1337)
In vanilla Bedrock, if you have operator status, the client sends a packet to change gamemode without confirmation from the server. Since we have a custom server option to request the gamemode, we just reset the gamemode and ignore this packet.
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/*
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* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.connector.network.translators.bedrock.entity.player;
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import com.nukkitx.protocol.bedrock.packet.SetPlayerGameTypePacket;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.PacketTranslator;
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import org.geysermc.connector.network.translators.Translator;
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/**
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* In vanilla Bedrock, if you have operator status, this sets the player's gamemode without confirmation from the server.
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* Since we have a custom server option to request the gamemode, we just reset the gamemode and ignore this.
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*/
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@Translator(packet = SetPlayerGameTypePacket.class)
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public class BedrockSetPlayerGameTypeTranslator extends PacketTranslator<SetPlayerGameTypePacket> {
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@Override
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public void translate(SetPlayerGameTypePacket packet, GeyserSession session) {
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// no
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SetPlayerGameTypePacket playerGameTypePacket = new SetPlayerGameTypePacket();
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playerGameTypePacket.setGamemode(session.getGameMode().ordinal());
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session.sendUpstreamPacket(playerGameTypePacket);
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}
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}
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