/*
 * This file is part of LiquidBounce (https://github.com/CCBlueX/LiquidBounce)
 *
 * Copyright (c) 2015 - 2026 CCBlueX
 *
 * LiquidBounce 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.
 *
 * LiquidBounce 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 LiquidBounce. If not, see <https://www.gnu.org/licenses/>.
 */

package net.ccbluex.liquidbounce.injection.mixins.minecraft.network;

import net.minecraft.network.FriendlyByteBuf;
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.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;

@Mixin(FriendlyByteBuf.class)
public abstract class MixinFriendlyByteBuf {

    @Shadow
    public abstract FriendlyByteBuf writeVarInt(int value);

    @Inject(
            method = "writeEnum",
            at = @At("HEAD"),
            cancellable = true
    )
    public void writeEnumConstant(Enum<?> instance, CallbackInfoReturnable<FriendlyByteBuf> cir) {
        if (instance == null) {
            cir.setReturnValue(this.writeVarInt(-1));
        }
    }

}
