ViaVersion/velocity/src/main/java/com/viaversion/viaversion/velocity/handlers/VelocityChannelInitializer....

59 lines
2.3 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2021 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.velocity.handlers;
import com.viaversion.viaversion.protocol.ProtocolPipelineImpl;
import com.viaversion.viaversion.connection.UserConnectionImpl;
import io.netty.channel.Channel;
import io.netty.channel.ChannelInitializer;
import com.viaversion.viaversion.api.connection.UserConnection;
import java.lang.reflect.Method;
public class VelocityChannelInitializer extends ChannelInitializer<Channel> {
private final ChannelInitializer<?> original;
private final boolean clientSide;
private static Method initChannel;
public VelocityChannelInitializer(ChannelInitializer<?> original, boolean clientSide) {
this.original = original;
this.clientSide = clientSide;
}
static {
try {
initChannel = ChannelInitializer.class.getDeclaredMethod("initChannel", Channel.class);
initChannel.setAccessible(true);
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
}
@Override
protected void initChannel(Channel channel) throws Exception {
initChannel.invoke(original, channel);
UserConnection user = new UserConnectionImpl(channel, clientSide);
new ProtocolPipelineImpl(user);
// We need to add a separated handler because Velocity uses pipeline().get(MINECRAFT_DECODER)
channel.pipeline().addBefore("minecraft-encoder", "via-encoder", new VelocityEncodeHandler(user));
channel.pipeline().addBefore("minecraft-decoder", "via-decoder", new VelocityDecodeHandler(user));
}
}