ViaVersion/bukkit-legacy/src/main/java/com/viaversion/viaversion/bukkit/util/ProtocolSupportUtil.java

60 lines
2.6 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.bukkit.util;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
import com.viaversion.viaversion.api.protocol.version.VersionType;
import org.bukkit.entity.Player;
public final class ProtocolSupportUtil {
private static final Method PROTOCOL_VERSION_METHOD;
private static final Method GET_ID_METHOD;
static {
Method protocolVersionMethod = null;
Method getIdMethod = null;
try {
protocolVersionMethod = Class.forName("protocolsupport.api.ProtocolSupportAPI").getMethod("getProtocolVersion", Player.class);
getIdMethod = Class.forName("protocolsupport.api.ProtocolVersion").getMethod("getId");
} catch (ReflectiveOperationException e) {
// ProtocolSupport not installed.
}
PROTOCOL_VERSION_METHOD = protocolVersionMethod;
GET_ID_METHOD = getIdMethod;
}
public static ProtocolVersion getProtocolVersion(Player player) {
if (PROTOCOL_VERSION_METHOD == null) {
return ProtocolVersion.unknown;
}
try {
final Object version = PROTOCOL_VERSION_METHOD.invoke(null, player);
final int id = (int) GET_ID_METHOD.invoke(version);
// List of pre netty (<= 1.6.4) versions supported by ProtocolSupport, needs to be updated if ProtocolSupport adds support for new versions.
final boolean preNetty = id == 78 || id == 74 || id == 73 || id == 61 || id == 60 || id == 51;
return ProtocolVersion.getProtocol(preNetty ? VersionType.RELEASE_INITIAL : VersionType.RELEASE, id);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
return ProtocolVersion.unknown;
}
}