Create ClientConnectionMixin.java

Author: PoluteClient

1.19.4/src/main/java/net/Poluteclient/phosphor/mixin/ClientConnectionMixin.java

@@ -0,0 +1,28 @@
+package net.Poluteclient.phosphor.mixin;
+
+import net.Poluteclient.phosphor.common.Phosphor;
+import net.Poluteclient.phosphor.api.event.events.PacketEvent;
+import net.minecraft.network.ClientConnection;
+import net.minecraft.network.listener.PacketListener;
+import net.minecraft.network.packet.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(ClientConnection.class)
+public class ClientConnectionMixin {
+    @Inject(method = "handlePacket",
+            at = @At("HEAD"),
+            cancellable = true)
+    private static <T extends PacketListener> void handlePacket(Packet<T> packet, PacketListener listener, CallbackInfo ci) {
+        if (Phosphor.EVENTBUS.post(PacketEvent.Receive.get(packet)).isCancelled()) ci.cancel();
+    }
+
+    @Inject(method = "send(Lnet/minecraft/network/packet/Packet;)V",
+            at = @At("HEAD"),
+            cancellable = true)
+    private void onPacketSend(Packet<?> packet, CallbackInfo ci) {
+        if (Phosphor.EVENTBUS.post(PacketEvent.Send.get(packet)).isCancelled()) ci.cancel();
+    }
+}