    001    package net.minecraft.src;
    002
    003    import java.util.ArrayList;
    004    import java.util.Iterator;
    005    import java.util.List;
    006
    007    public class EntityAIMoveThroughVillage extends EntityAIBase
    008    {
    009        private EntityCreature theEntity;
    010        private float movementSpeed;
    011
    012        /** The PathNavigate of our entity. */
    013        private PathEntity entityPathNavigate;
    014        private VillageDoorInfo doorInfo;
    015        private boolean isNocturnal;
    016        private List doorList = new ArrayList();
    017
    018        public EntityAIMoveThroughVillage(EntityCreature par1EntityCreature, float par2, boolean par3)
    019        {
    020            this.theEntity = par1EntityCreature;
    021            this.movementSpeed = par2;
    022            this.isNocturnal = par3;
    023            this.setMutexBits(1);
    024        }
    025
    026        /**
    027         * Returns whether the EntityAIBase should begin execution.
    028         */
    029        public boolean shouldExecute()
    030        {
    031            this.func_75414_f();
    032
    033            if (this.isNocturnal && this.theEntity.worldObj.isDaytime())
    034            {
    035                return false;
    036            }
    037            else
    038            {
    039                Village var1 = this.theEntity.worldObj.villageCollectionObj.findNearestVillage(MathHelper.floor_double(this.theEntity.posX), MathHelper.floor_double(this.theEntity.posY), MathHelper.floor_double(this.theEntity.posZ), 0);
    040
    041                if (var1 == null)
    042                {
    043                    return false;
    044                }
    045                else
    046                {
    047                    this.doorInfo = this.func_75412_a(var1);
    048
    049                    if (this.doorInfo == null)
    050                    {
    051                        return false;
    052                    }
    053                    else
    054                    {
    055                        boolean var2 = this.theEntity.getNavigator().getCanBreakDoors();
    056                        this.theEntity.getNavigator().setBreakDoors(false);
    057                        this.entityPathNavigate = this.theEntity.getNavigator().getPathToXYZ((double)this.doorInfo.posX, (double)this.doorInfo.posY, (double)this.doorInfo.posZ);
    058                        this.theEntity.getNavigator().setBreakDoors(var2);
    059
    060                        if (this.entityPathNavigate != null)
    061                        {
    062                            return true;
    063                        }
    064                        else
    065                        {
    066                            Vec3 var3 = RandomPositionGenerator.findRandomTargetBlockTowards(this.theEntity, 10, 7, Vec3.getVec3Pool().getVecFromPool((double)this.doorInfo.posX, (double)this.doorInfo.posY, (double)this.doorInfo.posZ));
    067
    068                            if (var3 == null)
    069                            {
    070                                return false;
    071                            }
    072                            else
    073                            {
    074                                this.theEntity.getNavigator().setBreakDoors(false);
    075                                this.entityPathNavigate = this.theEntity.getNavigator().getPathToXYZ(var3.xCoord, var3.yCoord, var3.zCoord);
    076                                this.theEntity.getNavigator().setBreakDoors(var2);
    077                                return this.entityPathNavigate != null;
    078                            }
    079                        }
    080                    }
    081                }
    082            }
    083        }
    084
    085        /**
    086         * Returns whether an in-progress EntityAIBase should continue executing
    087         */
    088        public boolean continueExecuting()
    089        {
    090            if (this.theEntity.getNavigator().noPath())
    091            {
    092                return false;
    093            }
    094            else
    095            {
    096                float var1 = this.theEntity.width + 4.0F;
    097                return this.theEntity.getDistanceSq((double)this.doorInfo.posX, (double)this.doorInfo.posY, (double)this.doorInfo.posZ) > (double)(var1 * var1);
    098            }
    099        }
    100
    101        /**
    102         * Execute a one shot task or start executing a continuous task
    103         */
    104        public void startExecuting()
    105        {
    106            this.theEntity.getNavigator().setPath(this.entityPathNavigate, this.movementSpeed);
    107        }
    108
    109        /**
    110         * Resets the task
    111         */
    112        public void resetTask()
    113        {
    114            if (this.theEntity.getNavigator().noPath() || this.theEntity.getDistanceSq((double)this.doorInfo.posX, (double)this.doorInfo.posY, (double)this.doorInfo.posZ) < 16.0D)
    115            {
    116                this.doorList.add(this.doorInfo);
    117            }
    118        }
    119
    120        private VillageDoorInfo func_75412_a(Village par1Village)
    121        {
    122            VillageDoorInfo var2 = null;
    123            int var3 = Integer.MAX_VALUE;
    124            List var4 = par1Village.getVillageDoorInfoList();
    125            Iterator var5 = var4.iterator();
    126
    127            while (var5.hasNext())
    128            {
    129                VillageDoorInfo var6 = (VillageDoorInfo)var5.next();
    130                int var7 = var6.getDistanceSquared(MathHelper.floor_double(this.theEntity.posX), MathHelper.floor_double(this.theEntity.posY), MathHelper.floor_double(this.theEntity.posZ));
    131
    132                if (var7 < var3 && !this.func_75413_a(var6))
    133                {
    134                    var2 = var6;
    135                    var3 = var7;
    136                }
    137            }
    138
    139            return var2;
    140        }
    141
    142        private boolean func_75413_a(VillageDoorInfo par1VillageDoorInfo)
    143        {
    144            Iterator var2 = this.doorList.iterator();
    145            VillageDoorInfo var3;
    146
    147            do
    148            {
    149                if (!var2.hasNext())
    150                {
    151                    return false;
    152                }
    153
    154                var3 = (VillageDoorInfo)var2.next();
    155            }
    156            while (par1VillageDoorInfo.posX != var3.posX || par1VillageDoorInfo.posY != var3.posY || par1VillageDoorInfo.posZ != var3.posZ);
    157
    158            return true;
    159        }
    160
    161        private void func_75414_f()
    162        {
    163            if (this.doorList.size() > 15)
    164            {
    165                this.doorList.remove(0);
    166            }
    167        }
    168    }