001    package net.minecraft.src;
002    
003    import java.util.Random;
004    
005    public class EntityAIFleeSun extends EntityAIBase
006    {
007        private EntityCreature theCreature;
008        private double shelterX;
009        private double shelterY;
010        private double shelterZ;
011        private float movementSpeed;
012        private World theWorld;
013    
014        public EntityAIFleeSun(EntityCreature par1EntityCreature, float par2)
015        {
016            this.theCreature = par1EntityCreature;
017            this.movementSpeed = par2;
018            this.theWorld = par1EntityCreature.worldObj;
019            this.setMutexBits(1);
020        }
021    
022        /**
023         * Returns whether the EntityAIBase should begin execution.
024         */
025        public boolean shouldExecute()
026        {
027            if (!this.theWorld.isDaytime())
028            {
029                return false;
030            }
031            else if (!this.theCreature.isBurning())
032            {
033                return false;
034            }
035            else if (!this.theWorld.canBlockSeeTheSky(MathHelper.floor_double(this.theCreature.posX), (int)this.theCreature.boundingBox.minY, MathHelper.floor_double(this.theCreature.posZ)))
036            {
037                return false;
038            }
039            else
040            {
041                Vec3 var1 = this.findPossibleShelter();
042    
043                if (var1 == null)
044                {
045                    return false;
046                }
047                else
048                {
049                    this.shelterX = var1.xCoord;
050                    this.shelterY = var1.yCoord;
051                    this.shelterZ = var1.zCoord;
052                    return true;
053                }
054            }
055        }
056    
057        /**
058         * Returns whether an in-progress EntityAIBase should continue executing
059         */
060        public boolean continueExecuting()
061        {
062            return !this.theCreature.getNavigator().noPath();
063        }
064    
065        /**
066         * Execute a one shot task or start executing a continuous task
067         */
068        public void startExecuting()
069        {
070            this.theCreature.getNavigator().tryMoveToXYZ(this.shelterX, this.shelterY, this.shelterZ, this.movementSpeed);
071        }
072    
073        private Vec3 findPossibleShelter()
074        {
075            Random var1 = this.theCreature.getRNG();
076    
077            for (int var2 = 0; var2 < 10; ++var2)
078            {
079                int var3 = MathHelper.floor_double(this.theCreature.posX + (double)var1.nextInt(20) - 10.0D);
080                int var4 = MathHelper.floor_double(this.theCreature.boundingBox.minY + (double)var1.nextInt(6) - 3.0D);
081                int var5 = MathHelper.floor_double(this.theCreature.posZ + (double)var1.nextInt(20) - 10.0D);
082    
083                if (!this.theWorld.canBlockSeeTheSky(var3, var4, var5) && this.theCreature.getBlockPathWeight(var3, var4, var5) < 0.0F)
084                {
085                    return this.theWorld.func_82732_R().getVecFromPool((double)var3, (double)var4, (double)var5);
086                }
087            }
088    
089            return null;
090        }
091    }