1 files changed, 36 insertions, 0 deletions
diff --git a/src/main/java/com/arslaancodes/arslaansmagichax/mixin/ClientConnectionMixin.java b/src/main/java/com/arslaancodes/arslaansmagichax/mixin/ClientConnectionMixin.java
new file mode 100644
index 0000000..320d627
--- /dev/null
+++ b/src/main/java/com/arslaancodes/arslaansmagichax/mixin/ClientConnectionMixin.java
@@ -0,0 +1,36 @@
+package com.arslaancodes.arslaansmagichax.mixin;
+
+import io.netty.channel.ChannelHandlerContext;
+import com.arslaancodes.arslaansmagichax.events.PacketEvent;
+import com.arslaancodes.arslaansmagichax.events.ReceivePacketEventBus;
+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;
+
+import java.util.Iterator;
+import net.minecraft.network.Connection;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.game.ClientGamePacketListener;
+import net.minecraft.network.protocol.game.ClientboundBundlePacket;
+
+@Mixin(Connection.class)
+public class ClientConnectionMixin {
+    @Inject(method = "channelRead0(Lio/netty/channel/ChannelHandlerContext;Lnet/minecraft/network/protocol/Packet;)V",
+            at = @At(value = "INVOKE", target = "Lnet/minecraft/network/Connection;genericsFtw(Lnet/minecraft/network/protocol/Packet;Lnet/minecraft/network/PacketListener;)V", shift = At.Shift.BEFORE), cancellable = true)
+    private void onHandlePacket(ChannelHandlerContext channelHandlerContext, Packet<?> packet, CallbackInfo ci) {
+        if (packet instanceof ClientboundBundlePacket bundle) {
+            for (Iterator<Packet<? super ClientGamePacketListener>> it = bundle.subPackets().iterator(); it.hasNext(); ) {
+                Packet<? super ClientGamePacketListener> innerPacket = it.next();
+                PacketEvent.Receive ev = new PacketEvent.Receive(innerPacket);
+                ReceivePacketEventBus.post(ev);
+                if (ev.isCancelled()) it.remove();
+            }
+        } else {
+            PacketEvent.Receive ev = new PacketEvent.Receive(packet);
+            ReceivePacketEventBus.post(ev);
+            if (ev.isCancelled()) ci.cancel();
+        }
+    }
+}
+