org.blockartistry.DynSurround.entity.ai.EntityAIVillagerFleeChat.java Source code

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Here is the source code for org.blockartistry.DynSurround.entity.ai.EntityAIVillagerFleeChat.java

Source

/*
 * This file is part of Dynamic Surroundings, licensed under the MIT License (MIT).
 *
 * Copyright (c) OreCruncher
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package org.blockartistry.DynSurround.entity.ai;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import com.google.common.base.Predicate;
import com.google.common.base.Predicates;

import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.monster.EntityZombie;
import net.minecraft.util.EntitySelectors;
import net.minecraft.util.math.AxisAlignedBB;

public class EntityAIVillagerFleeChat extends EntityAIChat {

    public static final int PRIORITY = 990;

    protected final Predicate<Entity>[] preds;

    @SuppressWarnings("unchecked")
    public EntityAIVillagerFleeChat(@Nonnull final EntityLiving entity) {
        super(entity, "villager.flee");

        this.preds = new Predicate[] { EntitySelectors.CAN_AI_TARGET, new Predicate<Entity>() {
            public boolean apply(@Nullable Entity entity) {
                return entity.isEntityAlive()
                        && EntityAIVillagerFleeChat.this.theEntity.getEntitySenses().canSee(entity);
            }
        }, Predicates.<Entity>alwaysTrue() };
    }

    protected boolean villagerThreatened() {
        final AxisAlignedBB bbox = this.theEntity.getEntityBoundingBox().expand((double) 8.0, 3.0D, (double) 8.0);
        return !this.theEntity.world
                .<EntityZombie>getEntitiesWithinAABB(EntityZombie.class, bbox, Predicates.and(this.preds))
                .isEmpty();
    }

    @Override
    public void updateTask() {
        if (getWorldTicks() < this.nextChat)
            return;
        super.startExecuting();
    }

    @Override
    public boolean shouldExecute() {
        return villagerThreatened();
    }

    @Override
    public void startExecuting() {
        this.nextChat = getWorldTicks();
    }
}