001    package net.minecraft.entity.ai;
002    
003    import net.minecraft.entity.EntityCreature;
004    import net.minecraft.util.MathHelper;
005    import net.minecraft.util.Vec3;
006    import net.minecraft.village.Village;
007    import net.minecraft.village.VillageDoorInfo;
008    
009    public class EntityAIMoveIndoors extends EntityAIBase
010    {
011        private EntityCreature entityObj;
012        private VillageDoorInfo doorInfo;
013        private int insidePosX = -1;
014        private int insidePosZ = -1;
015    
016        public EntityAIMoveIndoors(EntityCreature par1EntityCreature)
017        {
018            this.entityObj = par1EntityCreature;
019            this.setMutexBits(1);
020        }
021    
022        /**
023         * Returns whether the EntityAIBase should begin execution.
024         */
025        public boolean shouldExecute()
026        {
027            if ((!this.entityObj.worldObj.isDaytime() || this.entityObj.worldObj.isRaining()) && !this.entityObj.worldObj.provider.hasNoSky)
028            {
029                if (this.entityObj.getRNG().nextInt(50) != 0)
030                {
031                    return false;
032                }
033                else if (this.insidePosX != -1 && this.entityObj.getDistanceSq((double)this.insidePosX, this.entityObj.posY, (double)this.insidePosZ) < 4.0D)
034                {
035                    return false;
036                }
037                else
038                {
039                    Village var1 = this.entityObj.worldObj.villageCollectionObj.findNearestVillage(MathHelper.floor_double(this.entityObj.posX), MathHelper.floor_double(this.entityObj.posY), MathHelper.floor_double(this.entityObj.posZ), 14);
040    
041                    if (var1 == null)
042                    {
043                        return false;
044                    }
045                    else
046                    {
047                        this.doorInfo = var1.findNearestDoorUnrestricted(MathHelper.floor_double(this.entityObj.posX), MathHelper.floor_double(this.entityObj.posY), MathHelper.floor_double(this.entityObj.posZ));
048                        return this.doorInfo != null;
049                    }
050                }
051            }
052            else
053            {
054                return false;
055            }
056        }
057    
058        /**
059         * Returns whether an in-progress EntityAIBase should continue executing
060         */
061        public boolean continueExecuting()
062        {
063            return !this.entityObj.getNavigator().noPath();
064        }
065    
066        /**
067         * Execute a one shot task or start executing a continuous task
068         */
069        public void startExecuting()
070        {
071            this.insidePosX = -1;
072    
073            if (this.entityObj.getDistanceSq((double)this.doorInfo.getInsidePosX(), (double)this.doorInfo.posY, (double)this.doorInfo.getInsidePosZ()) > 256.0D)
074            {
075                Vec3 var1 = RandomPositionGenerator.findRandomTargetBlockTowards(this.entityObj, 14, 3, this.entityObj.worldObj.getWorldVec3Pool().getVecFromPool((double)this.doorInfo.getInsidePosX() + 0.5D, (double)this.doorInfo.getInsidePosY(), (double)this.doorInfo.getInsidePosZ() + 0.5D));
076    
077                if (var1 != null)
078                {
079                    this.entityObj.getNavigator().tryMoveToXYZ(var1.xCoord, var1.yCoord, var1.zCoord, 0.3F);
080                }
081            }
082            else
083            {
084                this.entityObj.getNavigator().tryMoveToXYZ((double)this.doorInfo.getInsidePosX() + 0.5D, (double)this.doorInfo.getInsidePosY(), (double)this.doorInfo.getInsidePosZ() + 0.5D, 0.3F);
085            }
086        }
087    
088        /**
089         * Resets the task
090         */
091        public void resetTask()
092        {
093            this.insidePosX = this.doorInfo.getInsidePosX();
094            this.insidePosZ = this.doorInfo.getInsidePosZ();
095            this.doorInfo = null;
096        }
097    }