MixinNetHandlerPlayServer.java
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/*
* This file is part of LiteLoader.
* Copyright (C) 2012-16 Adam Mummery-Smith
* All Rights Reserved.
*/
package com.mumfrey.liteloader.common.mixin;
import org.objectweb.asm.Opcodes;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.At.Shift;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
import com.mumfrey.liteloader.common.ducks.ITeleportHandler;
import com.mumfrey.liteloader.core.LiteLoaderEventBroker;
import com.mumfrey.liteloader.core.LiteLoaderEventBroker.InteractType;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.network.NetHandlerPlayServer;
import net.minecraft.network.play.client.CPacketAnimation;
import net.minecraft.network.play.client.CPacketPlayer;
import net.minecraft.network.play.client.CPacketPlayerDigging;
import net.minecraft.network.play.client.CPacketPlayerDigging.Action;
import net.minecraft.network.play.client.CPacketPlayerTryUseItem;
import net.minecraft.util.math.Vec3d;
import net.minecraft.world.WorldServer;
@Mixin(NetHandlerPlayServer.class)
public abstract class MixinNetHandlerPlayServer implements ITeleportHandler
{
@Shadow private int teleportId;
@Shadow private Vec3d targetPos;
@Shadow public EntityPlayerMP playerEntity;;
LiteLoaderEventBroker<?, ?> broker = LiteLoaderEventBroker.getCommonBroker();
@Inject(
method = "processTryUseItem(Lnet/minecraft/network/play/client/CPacketPlayerTryUseItem;)V",
cancellable = true,
at = @At(
value = "INVOKE",
shift = Shift.AFTER,
target = "Lnet/minecraft/network/PacketThreadUtil;checkThreadAndEnqueue"
+ "(Lnet/minecraft/network/Packet;Lnet/minecraft/network/INetHandler;Lnet/minecraft/util/IThreadListener;)V"
)
)
private void onPlaceBlock(CPacketPlayerTryUseItem packetIn, CallbackInfo ci)
{
// this.onPlaceBlock(ci, (NetHandlerPlayServer)(Object)this, packetIn);
}
@Inject(
method = "handleAnimation(Lnet/minecraft/network/play/client/CPacketAnimation;)V",
cancellable = true,
at = @At(
value = "INVOKE",
shift = Shift.AFTER,
target = "Lnet/minecraft/network/PacketThreadUtil;checkThreadAndEnqueue"
+ "(Lnet/minecraft/network/Packet;Lnet/minecraft/network/INetHandler;Lnet/minecraft/util/IThreadListener;)V"
)
)
private void onClickedAir(CPacketAnimation packetIn, CallbackInfo ci)
{
if (!this.broker.onClickedAir(InteractType.LEFT_CLICK, ((NetHandlerPlayServer)(Object)this).playerEntity, packetIn.getHand()))
{
ci.cancel();
}
}
@Inject(
method = "processPlayerDigging(Lnet/minecraft/network/play/client/CPacketPlayerDigging;)V",
cancellable = true,
at = @At(
value = "INVOKE",
shift = Shift.AFTER,
target = "Lnet/minecraft/network/PacketThreadUtil;checkThreadAndEnqueue"
+ "(Lnet/minecraft/network/Packet;Lnet/minecraft/network/INetHandler;Lnet/minecraft/util/IThreadListener;)V"
)
)
private void onPlayerDigging(CPacketPlayerDigging packetIn, CallbackInfo ci)
{
NetHandlerPlayServer netHandler = (NetHandlerPlayServer)(Object)this;
Action action = packetIn.getAction();
if (action == Action.START_DESTROY_BLOCK)
{
if (!this.broker.onPlayerDigging(InteractType.DIG_BLOCK_MAYBE, this.playerEntity, netHandler, packetIn.getPosition()))
{
ci.cancel();
}
}
else if (action == Action.ABORT_DESTROY_BLOCK || action == Action.STOP_DESTROY_BLOCK)
{
this.broker.onPlayerDigging(InteractType.DIG_BLOCK_END, this.playerEntity, netHandler, packetIn.getPosition());
}
else if (action == Action.SWAP_HELD_ITEMS)
{
if (!this.broker.onPlayerSwapItems(this.playerEntity))
{
ci.cancel();
}
}
}
@Inject(
method = "processPlayer(Lnet/minecraft/network/play/client/CPacketPlayer;)V",
cancellable = true,
locals = LocalCapture.CAPTURE_FAILHARD,
at = @At(
value = "FIELD",
opcode = Opcodes.GETFIELD,
target = "Lnet/minecraft/entity/player/EntityPlayerMP;posY:D",
ordinal = 3
)
)
private void onPlayerMoved(CPacketPlayer packetIn, CallbackInfo ci, WorldServer world)
{
if (!this.broker.onPlayerMove((NetHandlerPlayServer)(Object)this, packetIn, this.playerEntity, world))
{
ci.cancel();
}
}
@Override
public int beginTeleport(Vec3d location)
{
this.targetPos = location;
if (++this.teleportId == Integer.MAX_VALUE)
{
this.teleportId = 0;
}
return this.teleportId;
}
}