src/main/java/moe/nea/firmament/mixins/MixinClientPlayerEntity.java


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package moe.nea.firmament.mixins;

import moe.nea.firmament.events.IsSlotProtectedEvent;
import net.minecraft.client.network.ClientPlayerEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.screen.slot.Slot;
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.CallbackInfoReturnable;

@Mixin(ClientPlayerEntity.class)
public abstract class MixinClientPlayerEntity extends PlayerEntity {
    public MixinClientPlayerEntity() {
        super(null, null, 0, null);
    }

    @Inject(method = "dropSelectedItem", at = @At("HEAD"), cancellable = true)
    public void onDropSelectedItem(boolean entireStack, CallbackInfoReturnable<Boolean> cir) {
        Slot fakeSlot = new Slot(getInventory(), getInventory().selectedSlot, 0, 0);
        if (IsSlotProtectedEvent.shouldBlockInteraction(fakeSlot)) {
            cir.setReturnValue(false);
        }
    }
}