001    package net.minecraft.entity.ai;
002    
003    import net.minecraft.entity.monster.EntityIronGolem;
004    import net.minecraft.entity.passive.EntityVillager;
005    
006    public class EntityAILookAtVillager extends EntityAIBase
007    {
008        private EntityIronGolem theGolem;
009        private EntityVillager theVillager;
010        private int lookTime;
011    
012        public EntityAILookAtVillager(EntityIronGolem par1EntityIronGolem)
013        {
014            this.theGolem = par1EntityIronGolem;
015            this.setMutexBits(3);
016        }
017    
018        /**
019         * Returns whether the EntityAIBase should begin execution.
020         */
021        public boolean shouldExecute()
022        {
023            if (!this.theGolem.worldObj.isDaytime())
024            {
025                return false;
026            }
027            else if (this.theGolem.getRNG().nextInt(8000) != 0)
028            {
029                return false;
030            }
031            else
032            {
033                this.theVillager = (EntityVillager)this.theGolem.worldObj.findNearestEntityWithinAABB(EntityVillager.class, this.theGolem.boundingBox.expand(6.0D, 2.0D, 6.0D), this.theGolem);
034                return this.theVillager != null;
035            }
036        }
037    
038        /**
039         * Returns whether an in-progress EntityAIBase should continue executing
040         */
041        public boolean continueExecuting()
042        {
043            return this.lookTime > 0;
044        }
045    
046        /**
047         * Execute a one shot task or start executing a continuous task
048         */
049        public void startExecuting()
050        {
051            this.lookTime = 400;
052            this.theGolem.setHoldingRose(true);
053        }
054    
055        /**
056         * Resets the task
057         */
058        public void resetTask()
059        {
060            this.theGolem.setHoldingRose(false);
061            this.theVillager = null;
062        }
063    
064        /**
065         * Updates the task
066         */
067        public void updateTask()
068        {
069            this.theGolem.getLookHelper().setLookPositionWithEntity(this.theVillager, 30.0F, 30.0F);
070            --this.lookTime;
071        }
072    }