Geyser/connector/src/main/java/org/geysermc/connector/network/translators/java/JavaJoinGameTranslator.java

/*
 * Copyright (c) 2019 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 com.flowpowered.math.vector.Vector3f;
import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
import com.github.steveice10.mc.protocol.packet.ingame.server.ServerJoinGamePacket;
import com.nukkitx.protocol.bedrock.packet.AdventureSettingsPacket;
import com.nukkitx.protocol.bedrock.packet.LevelChunkPacket;
import com.nukkitx.protocol.bedrock.packet.SetPlayerGameTypePacket;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.TranslatorsInit;

public class JavaJoinGameTranslator extends PacketTranslator<ServerJoinGamePacket> {

    @Override
    public void translate(ServerJoinGamePacket packet, GeyserSession session) {
        AdventureSettingsPacket bedrockPacket = new AdventureSettingsPacket();
        bedrockPacket.setUniqueEntityId(session.getPlayerEntity().getGeyserId());
        session.getUpstream().sendPacketImmediately(bedrockPacket);

        int gamemode = packet.getGameMode().ordinal();
        SetPlayerGameTypePacket playerGameTypePacket = new SetPlayerGameTypePacket();
        playerGameTypePacket.setGamemode(gamemode);
        session.getUpstream().sendPacket(playerGameTypePacket);

        Vector3f pos = new Vector3f(0, 0, 0);
        int chunkX = pos.getFloorX() >> 4;
        int chunkZ = pos.getFloorZ() >> 4;
        for (int x = -1; x < 1; x++) {
            for (int z = -1; z < 1; z++) {
                LevelChunkPacket data = new LevelChunkPacket();
                data.setChunkX(chunkX + x);
                data.setChunkZ(chunkZ + z);
                data.setSubChunksLength(0);

                data.setData(TranslatorsInit.EMPTY_LEVEL_CHUNK_DATA);
                session.getUpstream().sendPacketImmediately(data);

            }
        }

        session.getJavaPacketCache().getCachedValues().put("java_join_packet", packet);
    }
}