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 * This file is part of Sponge, licensed under the MIT License (MIT).
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 * Copyright (c) contributors
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * furnished to do so, subject to the following conditions:
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 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
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package org.spongepowered.common.mixin.core.entity.living.monster;

import net.minecraft.entity.monster.EntityPigZombie;
import org.spongepowered.api.data.manipulator.DataManipulator;
import org.spongepowered.api.data.manipulator.mutable.entity.AngerableData;
import org.spongepowered.api.entity.living.monster.ZombiePigman;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.common.interfaces.entity.IMixinAggressive;
import org.spongepowered.common.interfaces.entity.IMixinAnger;

import java.util.List;

@Mixin(EntityPigZombie.class)
public abstract class MixinEntityPigZombie extends MixinEntityZombie implements ZombiePigman, IMixinAggressive, IMixinAnger {

    @Shadow private int angerLevel;

    @Override
    public boolean isAngry() {
        return this.angerLevel > 0;
    }

    @Override
    public void setAngry(boolean angry) {
        this.angerLevel = 400 + this.rand.nextInt(400);
    }

    @Override
    public int getAngerLevel() {
        return this.angerLevel;
    }

    @Override
    public void setAngerLevel(int angerLevel) {
        this.angerLevel = angerLevel < 0 ? 0 : angerLevel;
    }

    @Override
    public void supplyVanillaManipulators(List<DataManipulator<?, ?>> manipulators) {
        super.supplyVanillaManipulators(manipulators);
        manipulators.add(get(AngerableData.class).get());
    }
}

@@ -2577,16 +2577,18 @@
 ators);%0A
+//
         
@@ -2636,16 +2636,66 @@
 .get());
+ // TODO enable when AngerableData is implemented.
 %0A    %7D%0A%7D

Disable AngerableData for MixinEntityPigZombie. Fixes #266.