Java/BedrockAdventureSettingsTranslator.java

/*
 * 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.GameMode;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerAbilitiesPacket;
import com.nukkitx.protocol.bedrock.data.AdventureSetting;
import com.nukkitx.protocol.bedrock.data.entity.EntityFlag;
import com.nukkitx.protocol.bedrock.packet.AdventureSettingsPacket;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.Translator;

@Translator(packet = AdventureSettingsPacket.class)
public class BedrockAdventureSettingsTranslator extends PacketTranslator<AdventureSettingsPacket> {

    @Override
    // BUG: CWE-287 Improper Authentication
    // public void translate(AdventureSettingsPacket packet, GeyserSession session) {
    // FIXED:
    public void translate(GeyserSession session, AdventureSettingsPacket packet) {
        boolean isFlying = packet.getSettings().contains(AdventureSetting.FLYING);
        if (!isFlying && session.getGameMode() == GameMode.SPECTATOR) {
            // We should always be flying in spectator mode
            session.sendAdventureSettings();
            return;
        }

        session.setFlying(isFlying);
        ClientPlayerAbilitiesPacket abilitiesPacket = new ClientPlayerAbilitiesPacket(isFlying);
        session.sendDownstreamPacket(abilitiesPacket);

        if (isFlying && session.getPlayerEntity().getMetadata().getFlags().getFlag(EntityFlag.SWIMMING)) {
            // Bedrock can fly and swim at the same time? Make sure that can't happen
            session.setSwimming(false);
        }
    }
}