ForgePatch/src/main/java/net/minecraftforge/fml/network/simple/SimpleChannel.java

105 lines
3.8 KiB
Java

/*
* Minecraft Forge
* Copyright (c) 2018.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.minecraftforge.fml.network.simple;
import io.netty.buffer.Unpooled;
import net.minecraft.client.Minecraft;
import net.minecraft.network.PacketBuffer;
import net.minecraft.network.play.client.CPacketCustomPayload;
import net.minecraftforge.fml.network.NetworkEvent;
import net.minecraftforge.fml.network.NetworkInstance;
import java.util.function.BiConsumer;
import java.util.function.Function;
import java.util.function.Supplier;
public class SimpleChannel
{
private final NetworkInstance instance;
private final IndexedMessageCodec indexedCodec;
public SimpleChannel(NetworkInstance instance)
{
this.instance = instance;
this.indexedCodec = new IndexedMessageCodec();
instance.addListener(this::networkEventListener);
}
private void networkEventListener(final NetworkEvent networkEvent)
{
this.indexedCodec.consume(networkEvent.getPayload(),networkEvent.getSource());
}
public <MSG> void encodeMessage(MSG message, final PacketBuffer target) {
this.indexedCodec.build(message, target);
}
public <MSG> void registerMessage(int index, Class<MSG> messageType, BiConsumer<MSG, PacketBuffer> encoder, Function<PacketBuffer, MSG> decoder, BiConsumer<MSG, Supplier<NetworkEvent.Context>> messageConsumer) {
this.indexedCodec.addCodecIndex(index, messageType, encoder, decoder, messageConsumer);
}
public <MSG> void sendToServer(MSG message)
{
final PacketBuffer bufIn = new PacketBuffer(Unpooled.buffer());
encodeMessage(message, bufIn);
final CPacketCustomPayload payload = new CPacketCustomPayload(instance.getChannelName(), bufIn);
Minecraft.getMinecraft().getConnection().sendPacket(payload);
}
public <M> MessageBuilder<M> messageBuilder(final Class<M> type, int id) {
return MessageBuilder.forType(this, type, id);
}
public static class MessageBuilder<MSG> {
private SimpleChannel channel;
private Class<MSG> type;
private int id;
private BiConsumer<MSG, PacketBuffer> encoder;
private Function<PacketBuffer, MSG> decoder;
private BiConsumer<MSG, Supplier<NetworkEvent.Context>> consumer;
private static <MSG> MessageBuilder<MSG> forType(final SimpleChannel channel, final Class<MSG> type, int id) {
MessageBuilder<MSG> builder = new MessageBuilder<>();
builder.channel = channel;
builder.id = id;
builder.type = type;
return builder;
}
public MessageBuilder<MSG> encoder(BiConsumer<MSG, PacketBuffer> encoder) {
this.encoder = encoder;
return this;
}
public MessageBuilder<MSG> decoder(Function<PacketBuffer, MSG> decoder) {
this.decoder = decoder;
return this;
}
public MessageBuilder<MSG> consumer(BiConsumer<MSG, Supplier<NetworkEvent.Context>> consumer) {
this.consumer = consumer;
return this;
}
public void add() {
this.channel.registerMessage(this.id, this.type, this.encoder, this.decoder, this.consumer);
}
}
}