/* * Firmament is a Hypixel Skyblock mod for modern Minecraft versions * Copyright (C) 2023 Linnea Gräf * * 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 . */ package moe.nea.firmament.mixins; import moe.nea.firmament.events.OutgoingPacketEvent; import moe.nea.firmament.events.ParticleSpawnEvent; import net.minecraft.client.network.ClientPlayNetworkHandler; import net.minecraft.network.packet.Packet; import net.minecraft.network.packet.s2c.play.EntityPositionS2CPacket; import net.minecraft.network.packet.s2c.play.ParticleS2CPacket; import net.minecraft.util.math.Vec3d; 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(ClientPlayNetworkHandler.class) public class MixinClientPacketHandler { @Inject(method = "onParticle", at = @At(value = "INVOKE", target = "Lnet/minecraft/network/NetworkThreadUtils;forceMainThread(Lnet/minecraft/network/packet/Packet;Lnet/minecraft/network/listener/PacketListener;Lnet/minecraft/util/thread/ThreadExecutor;)V", shift = At.Shift.AFTER)) public void onParticleSpawn(ParticleS2CPacket packet, CallbackInfo ci) { ParticleSpawnEvent.Companion.publish(new ParticleSpawnEvent( packet.getParameters(), new Vec3d(packet.getX(), packet.getY(), packet.getZ()), new Vec3d(packet.getOffsetX(), packet.getOffsetY(), packet.getOffsetZ()), packet.isLongDistance() )); } @Inject(method = "onEntityPosition", at = @At(value = "TAIL")) public void onEntityPosition(EntityPositionS2CPacket packet, CallbackInfo ci) { System.out.printf("Got position update for %d", packet.getId()); } @Inject(method = "sendPacket(Lnet/minecraft/network/packet/Packet;)V", at = @At("HEAD"), cancellable = true) public void onSendPacket(Packet packet, CallbackInfo ci) { if (OutgoingPacketEvent.Companion.publish(new OutgoingPacketEvent(packet)).getCancelled()) { ci.cancel(); } } }