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113 lines
4.1 KiB
Java
113 lines
4.1 KiB
Java
package net.minecraft.entity.ai;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import net.minecraft.command.IEntitySelector;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityCreature;
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import net.minecraft.entity.EntityLivingBase;
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public class EntityAINearestAttackableTarget extends EntityAITarget
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{
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private final Class targetClass;
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private final int targetChance;
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/** Instance of EntityAINearestAttackableTargetSorter. */
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private final EntityAINearestAttackableTarget.Sorter theNearestAttackableTargetSorter;
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/**
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* This filter is applied to the Entity search. Only matching entities will be targetted. (null -> no
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* restrictions)
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*/
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private final IEntitySelector targetEntitySelector;
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private EntityLivingBase targetEntity;
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private static final String __OBFID = "CL_00001620";
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public EntityAINearestAttackableTarget(EntityCreature p_i1663_1_, Class p_i1663_2_, int p_i1663_3_, boolean p_i1663_4_)
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{
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this(p_i1663_1_, p_i1663_2_, p_i1663_3_, p_i1663_4_, false);
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}
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public EntityAINearestAttackableTarget(EntityCreature p_i1664_1_, Class p_i1664_2_, int p_i1664_3_, boolean p_i1664_4_, boolean p_i1664_5_)
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{
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this(p_i1664_1_, p_i1664_2_, p_i1664_3_, p_i1664_4_, p_i1664_5_, (IEntitySelector)null);
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}
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public EntityAINearestAttackableTarget(EntityCreature p_i1665_1_, Class p_i1665_2_, int p_i1665_3_, boolean p_i1665_4_, boolean p_i1665_5_, final IEntitySelector p_i1665_6_)
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{
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super(p_i1665_1_, p_i1665_4_, p_i1665_5_);
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this.targetClass = p_i1665_2_;
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this.targetChance = p_i1665_3_;
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this.theNearestAttackableTargetSorter = new EntityAINearestAttackableTarget.Sorter(p_i1665_1_);
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this.setMutexBits(1);
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this.targetEntitySelector = new IEntitySelector()
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{
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private static final String __OBFID = "CL_00001621";
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/**
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* Return whether the specified entity is applicable to this filter.
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*/
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public boolean isEntityApplicable(Entity p_82704_1_)
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{
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return !(p_82704_1_ instanceof EntityLivingBase) ? false : (p_i1665_6_ != null && !p_i1665_6_.isEntityApplicable(p_82704_1_) ? false : EntityAINearestAttackableTarget.this.isSuitableTarget((EntityLivingBase)p_82704_1_, false));
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}
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};
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}
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/**
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* Returns whether the EntityAIBase should begin execution.
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*/
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public boolean shouldExecute()
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{
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if (this.targetChance > 0 && this.taskOwner.getRNG().nextInt(this.targetChance) != 0)
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{
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return false;
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}
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else
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{
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double d0 = this.getTargetDistance();
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List list = this.taskOwner.worldObj.selectEntitiesWithinAABB(this.targetClass, this.taskOwner.boundingBox.expand(d0, 4.0D, d0), this.targetEntitySelector);
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Collections.sort(list, this.theNearestAttackableTargetSorter);
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if (list.isEmpty())
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{
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return false;
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}
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else
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{
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this.targetEntity = (EntityLivingBase)list.get(0);
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return true;
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}
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}
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}
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/**
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* Execute a one shot task or start executing a continuous task
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*/
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public void startExecuting()
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{
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this.taskOwner.setAttackTarget(this.targetEntity);
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super.startExecuting();
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}
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public static class Sorter implements Comparator
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{
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private final Entity theEntity;
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private static final String __OBFID = "CL_00001622";
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public Sorter(Entity p_i1662_1_)
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{
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this.theEntity = p_i1662_1_;
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}
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public int compare(Entity p_compare_1_, Entity p_compare_2_)
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{
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double d0 = this.theEntity.getDistanceSqToEntity(p_compare_1_);
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double d1 = this.theEntity.getDistanceSqToEntity(p_compare_2_);
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return d0 < d1 ? -1 : (d0 > d1 ? 1 : 0);
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}
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public int compare(Object p_compare_1_, Object p_compare_2_)
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{
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return this.compare((Entity)p_compare_1_, (Entity)p_compare_2_);
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}
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}
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} |