ViaVersion/bungee/src/main/java/com/viaversion/viaversion/bungee/providers/BungeeMainHandProvider.java

61 lines
2.5 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2024 ViaVersion and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.viaversion.viaversion.bungee.providers;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.connection.ProtocolInfo;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.MainHandProvider;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.logging.Level;
import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.api.connection.ProxiedPlayer;
/*
This solves the wrong main hand issue when you join with BungeeCord on a 1.8 server, and switch to a 1.9 or higher.
*/
public class BungeeMainHandProvider extends MainHandProvider {
private static Method getSettings;
private static Method setMainHand;
static {
try {
getSettings = Class.forName("net.md_5.bungee.UserConnection").getDeclaredMethod("getSettings");
setMainHand = Class.forName("net.md_5.bungee.protocol.packet.ClientSettings").getDeclaredMethod("setMainHand", int.class);
} catch (Exception ignored) {
}
}
@Override
public void setMainHand(UserConnection user, int hand) {
ProtocolInfo info = user.getProtocolInfo();
if (info == null || info.getUuid() == null) return;
ProxiedPlayer player = ProxyServer.getInstance().getPlayer(info.getUuid());
if (player == null) return;
try {
Object settings = getSettings.invoke(player);
if (settings != null) {
setMainHand.invoke(settings, hand);
}
} catch (IllegalAccessException | InvocationTargetException e) {
Via.getPlatform().getLogger().log(Level.WARNING, "Failed to set main hand for " + player.getName(), e);
}
}
}