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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.java.entity.player;
import com.github.steveice10.mc.protocol.data.game.PlayerListEntry;
import com.github.steveice10.mc.protocol.data.game.PlayerListEntryAction;
import com.github.steveice10.mc.protocol.packet.ingame.server.ServerPlayerListEntryPacket;
import com.nukkitx.math.vector.Vector3f;
import com.nukkitx.protocol.bedrock.packet.PlayerListPacket;
import org.geysermc.connector.GeyserConnector;
import org.geysermc.connector.entity.player.PlayerEntity;
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.skin.SkinManager;
@Translator(packet = ServerPlayerListEntryPacket.class)
public class JavaPlayerListEntryTranslator extends PacketTranslator<ServerPlayerListEntryPacket> {
@Override
public void translate(GeyserSession session, ServerPlayerListEntryPacket packet) {
if (packet.getAction() != PlayerListEntryAction.ADD_PLAYER && packet.getAction() != PlayerListEntryAction.REMOVE_PLAYER)
return;
PlayerListPacket translate = new PlayerListPacket();
translate.setAction(packet.getAction() == PlayerListEntryAction.ADD_PLAYER ? PlayerListPacket.Action.ADD : PlayerListPacket.Action.REMOVE);
for (PlayerListEntry entry : packet.getEntries()) {
switch (packet.getAction()) {
case ADD_PLAYER:
PlayerEntity playerEntity;
boolean self = entry.getProfile().getId().equals(session.getPlayerEntity().getUuid());
if (self) {
// Entity is ourself
playerEntity = session.getPlayerEntity();
} else {
playerEntity = session.getEntityCache().getPlayerEntity(entry.getProfile().getId());
}
if (playerEntity == null) {
// It's a new player
playerEntity = new PlayerEntity(
entry.getProfile(),
-1,
session.getEntityCache().getNextEntityId().incrementAndGet(),
Vector3f.ZERO,
Vector3f.ZERO,
Vector3f.ZERO
);
session.getEntityCache().addPlayerEntity(playerEntity);
} else {
playerEntity.setProfile(entry.getProfile());
}
playerEntity.setPlayerList(true);
// We'll send our own PlayerListEntry in requestAndHandleSkinAndCape
// But we need to send other player's entries so they show up in the player list
// without processing their skin information - that'll be processed when they spawn in
if (self) {
SkinManager.requestAndHandleSkinAndCape(playerEntity, session, skinAndCape ->
GeyserConnector.getInstance().getLogger().debug("Loaded Local Bedrock Java Skin Data for " + session.getClientData().getUsername()));
} else {
playerEntity.setValid(true);
PlayerListPacket.Entry playerListEntry = SkinManager.buildCachedEntry(session, playerEntity);
translate.getEntries().add(playerListEntry);
}
break;
case REMOVE_PLAYER:
// As the player entity is no longer present, we can remove the entry
PlayerEntity entity = session.getEntityCache().removePlayerEntity(entry.getProfile().getId());
if (entity != null) {
// Just remove the entity's player list status
// Don't despawn the entity - the Java server will also take care of that.
entity.setPlayerList(false);
}
if (entity == session.getPlayerEntity()) {
// If removing ourself we use our AuthData UUID
translate.getEntries().add(new PlayerListPacket.Entry(session.getAuthData().getUUID()));
} else {
translate.getEntries().add(new PlayerListPacket.Entry(entry.getProfile().getId()));
}
break;
}
}
if (!translate.getEntries().isEmpty() && (packet.getAction() == PlayerListEntryAction.REMOVE_PLAYER || session.getUpstream().isInitialized())) {
session.sendUpstreamPacket(translate);
}
}
}
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