Bach Mixin

bach.common.json

{
	"required": true,
	"package": "daomephsta.bach.common.mixin",
	"compatibilityLevel": "JAVA_8",
	"mixins": 
	[
		"item.food.MixinWolfEntity"
	],
	"injectors": 
	{
		"defaultRequire": 1
	}
}

fabric.mod.json

{
  "id": "bach",
  "name": "Bach",
  "description": "Composition over inheritance",
  "version": "1.0.0",
  "side": "universal",
  "initializers": 
  [
    "daomephsta.bach.common.BachInitialiser"
  ],
  "requires": 
  {
    "fabric": "*"
  },
  "mixins": 
  {
    "client": "bach.client.json",
    "common": "bach.common.json"
  }
}

MixinWolfEntity.java

package daomephsta.bach.common.mixin.item.food;

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;

import daomephsta.bach.common.component.item.food.IEdible;
import net.minecraft.entity.EntityType;
import net.minecraft.entity.passive.TameableEntity;
import net.minecraft.entity.passive.WolfEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.*;
import net.minecraft.util.Hand;
import net.minecraft.world.World;

@Mixin(WolfEntity.class)
public abstract class MixinWolfEntity extends TameableEntity
{
	public MixinWolfEntity(EntityType<?> entityType, World world)
	{
		super(entityType, world);
	}

	@Inject(method = "interactMob", at = @At("HEAD"))
	public void interactMob(PlayerEntity player, Hand hand, CallbackInfoReturnable<Boolean> info)
	{
		System.out.println("Interact");
		ItemStack handStack = player.getStackInHand(hand);
		Item handItem = handStack.getItem();
		if (this.isTamed() && !handStack.isEmpty())
		{
			IEdible edible = FoodHooks.getEdibleComponent(handItem);
			if (edible != null)
			{
				if (edible.isWolfFood() && this.getHealth() < 20.0F)
				{
					if (!player.abilities.creativeMode)
						handStack.subtractAmount(1);

					this.heal(edible.getHungerRestored(handStack));
					info.setReturnValue(Boolean.TRUE);
				}
			}
		}
	}
	
	@Inject(method = "isBreedingItem", at = @At("HEAD"))
	public void isBreedingItem(ItemStack stack, CallbackInfoReturnable<Boolean> info)
	{
		if (FoodHooks.isWolfFood(stack.getItem()))
			info.setReturnValue(Boolean.TRUE);
	}
}