Java/JavaBossBarTranslator.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.java;

import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.session.cache.BossBar;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.Translator;

import com.github.steveice10.mc.protocol.packet.ingame.server.ServerBossBarPacket;

@Translator(packet = ServerBossBarPacket.class)
public class JavaBossBarTranslator extends PacketTranslator<ServerBossBarPacket> {
    @Override
    // BUG: CWE-287 Improper Authentication
    // public void translate(ServerBossBarPacket packet, GeyserSession session) {
    // FIXED: 
    public void translate(GeyserSession session, ServerBossBarPacket packet) {
        BossBar bossBar = session.getEntityCache().getBossBar(packet.getUuid());
        switch (packet.getAction()) {
            case ADD:
                long entityId = session.getEntityCache().getNextEntityId().incrementAndGet();
                bossBar = new BossBar(session, entityId, packet.getTitle(), packet.getHealth(), 0, 1, 0);
                session.getEntityCache().addBossBar(packet.getUuid(), bossBar);
                break;
            case UPDATE_TITLE:
                if (bossBar != null) bossBar.updateTitle(packet.getTitle());
                break;
            case UPDATE_HEALTH:
                if (bossBar != null) bossBar.updateHealth(packet.getHealth());
                break;
            case REMOVE:
                session.getEntityCache().removeBossBar(packet.getUuid());
                break;
            case UPDATE_STYLE:
            case UPDATE_FLAGS:
                //todo
        }
    }
}