org.spongepowered.common.entity.ai.target.SpongeFindNearestAttackableTargetAIBuilder.java Source code

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Here is the source code for org.spongepowered.common.entity.ai.target.SpongeFindNearestAttackableTargetAIBuilder.java

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/*
 * This file is part of Sponge, licensed under the MIT License (MIT).
 *
 * Copyright (c) SpongePowered <https://www.spongepowered.org>
 * Copyright (c) contributors
 *
 * 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.spongepowered.common.entity.ai.target;

import com.google.common.base.Preconditions;
import com.google.common.base.Predicates;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityCreature;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.ai.EntityAINearestAttackableTarget;
import org.spongepowered.api.entity.ai.task.builtin.creature.target.FindNearestAttackableTargetAITask;
import org.spongepowered.api.entity.living.Creature;
import org.spongepowered.api.entity.living.Living;
import org.spongepowered.common.util.GuavaJavaUtils;

import java.util.function.Predicate;

public final class SpongeFindNearestAttackableTargetAIBuilder
        extends SpongeTargetAIBuilder<FindNearestAttackableTargetAITask, FindNearestAttackableTargetAITask.Builder>
        implements FindNearestAttackableTargetAITask.Builder {

    private Class<? extends Living> targetClass;
    private int chance;
    private Predicate<? extends Living> predicate;

    @Override
    public FindNearestAttackableTargetAITask.Builder target(Class<? extends Living> targetClass) {
        this.targetClass = targetClass;
        return this;
    }

    @Override
    public FindNearestAttackableTargetAITask.Builder chance(int chance) {
        this.chance = chance;
        return this;
    }

    @Override
    public FindNearestAttackableTargetAITask.Builder filter(Predicate<? extends Living> predicate) {
        this.predicate = predicate;
        return null;
    }

    @Override
    public FindNearestAttackableTargetAITask.Builder from(FindNearestAttackableTargetAITask value) {
        return target(value.getTargetClass()).chance(value.getChance()).filter(value.getFilter());
    }

    @Override
    public FindNearestAttackableTargetAITask.Builder reset() {
        this.checkSight = false;
        this.onlyNearby = false;
        this.searchDelay = 0;
        this.interruptTargetUnseenTicks = 0;
        this.targetClass = null;
        this.predicate = null;
        return this;
    }

    @SuppressWarnings("unchecked")
    @Override
    public FindNearestAttackableTargetAITask build(Creature owner) {
        Preconditions.checkNotNull(owner);
        Preconditions.checkNotNull(this.targetClass);
        return (FindNearestAttackableTargetAITask) new EntityAINearestAttackableTarget<>((EntityCreature) owner,
                (Class<? extends EntityLivingBase>) this.targetClass, this.chance, this.checkSight, this.onlyNearby,
                this.predicate == null ? Predicates.alwaysTrue()
                        : GuavaJavaUtils.asGuavaPredicate((Predicate<Entity>) (Predicate<?>) this.predicate));
    }
}