src/main/java/cc/polyfrost/oneconfig/mixin/NetworkManagerMixin.java


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package cc.polyfrost.oneconfig.mixin;

import cc.polyfrost.oneconfig.events.EventManager;
import cc.polyfrost.oneconfig.events.event.ReceivePacketEvent;
import io.netty.channel.ChannelHandlerContext;
import net.minecraft.network.NetworkManager;
import net.minecraft.network.Packet;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;

@Mixin(value = NetworkManager.class, priority = Integer.MAX_VALUE)
public class NetworkManagerMixin {
    @Inject(method = "channelRead0(Lio/netty/channel/ChannelHandlerContext;Lnet/minecraft/network/Packet;)V", at = @At("HEAD"), cancellable = true)
    private void onReceivePacket(ChannelHandlerContext p_channelRead0_1_, Packet<?> p_channelRead0_2_, CallbackInfo ci) {
        ReceivePacketEvent event = new ReceivePacketEvent(p_channelRead0_2_);
        EventManager.INSTANCE.post(event);
        if (event.isCancelled) {
            ci.cancel();
        }
    }
}