    001    package net.minecraft.src;
    002
    003    public abstract class EntityMob extends EntityCreature implements IMob
    004    {
    005        public EntityMob(World par1World)
    006        {
    007            super(par1World);
    008            this.experienceValue = 5;
    009        }
    010
    011        /**
    012         * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
    013         * use this to react to sunlight and start to burn.
    014         */
    015        public void onLivingUpdate()
    016        {
    017            this.updateArmSwingProgress();
    018            float var1 = this.getBrightness(1.0F);
    019
    020            if (var1 > 0.5F)
    021            {
    022                this.entityAge += 2;
    023            }
    024
    025            super.onLivingUpdate();
    026        }
    027
    028        /**
    029         * Called to update the entity's position/logic.
    030         */
    031        public void onUpdate()
    032        {
    033            super.onUpdate();
    034
    035            if (!this.worldObj.isRemote && this.worldObj.difficultySetting == 0)
    036            {
    037                this.setDead();
    038            }
    039        }
    040
    041        /**
    042         * Finds the closest player within 16 blocks to attack, or null if this Entity isn't interested in attacking
    043         * (Animals, Spiders at day, peaceful PigZombies).
    044         */
    045        protected Entity findPlayerToAttack()
    046        {
    047            EntityPlayer var1 = this.worldObj.getClosestVulnerablePlayerToEntity(this, 16.0D);
    048            return var1 != null && this.canEntityBeSeen(var1) ? var1 : null;
    049        }
    050
    051        /**
    052         * Called when the entity is attacked.
    053         */
    054        public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
    055        {
    056            if (this.func_85032_ar())
    057            {
    058                return false;
    059            }
    060            else if (super.attackEntityFrom(par1DamageSource, par2))
    061            {
    062                Entity var3 = par1DamageSource.getEntity();
    063
    064                if (this.riddenByEntity != var3 && this.ridingEntity != var3)
    065                {
    066                    if (var3 != this)
    067                    {
    068                        this.entityToAttack = var3;
    069                    }
    070
    071                    return true;
    072                }
    073                else
    074                {
    075                    return true;
    076                }
    077            }
    078            else
    079            {
    080                return false;
    081            }
    082        }
    083
    084        public boolean attackEntityAsMob(Entity par1Entity)
    085        {
    086            int var2 = this.getAttackStrength(par1Entity);
    087
    088            if (this.isPotionActive(Potion.damageBoost))
    089            {
    090                var2 += 3 << this.getActivePotionEffect(Potion.damageBoost).getAmplifier();
    091            }
    092
    093            if (this.isPotionActive(Potion.weakness))
    094            {
    095                var2 -= 2 << this.getActivePotionEffect(Potion.weakness).getAmplifier();
    096            }
    097
    098            int var3 = 0;
    099
    100            if (par1Entity instanceof EntityLiving)
    101            {
    102                var2 += EnchantmentHelper.getEnchantmentModifierLiving(this, (EntityLiving)par1Entity);
    103                var3 += EnchantmentHelper.getKnockbackModifier(this, (EntityLiving)par1Entity);
    104            }
    105
    106            boolean var4 = par1Entity.attackEntityFrom(DamageSource.causeMobDamage(this), var2);
    107
    108            if (var4)
    109            {
    110                if (var3 > 0)
    111                {
    112                    par1Entity.addVelocity((double)(-MathHelper.sin(this.rotationYaw * (float)Math.PI / 180.0F) * (float)var3 * 0.5F), 0.1D, (double)(MathHelper.cos(this.rotationYaw * (float)Math.PI / 180.0F) * (float)var3 * 0.5F));
    113                    this.motionX *= 0.6D;
    114                    this.motionZ *= 0.6D;
    115                }
    116
    117                int var5 = EnchantmentHelper.func_90036_a(this);
    118
    119                if (var5 > 0)
    120                {
    121                    par1Entity.setFire(var5 * 4);
    122                }
    123            }
    124
    125            return var4;
    126        }
    127
    128        /**
    129         * Basic mob attack. Default to touch of death in EntityCreature. Overridden by each mob to define their attack.
    130         */
    131        protected void attackEntity(Entity par1Entity, float par2)
    132        {
    133            if (this.attackTime <= 0 && par2 < 2.0F && par1Entity.boundingBox.maxY > this.boundingBox.minY && par1Entity.boundingBox.minY < this.boundingBox.maxY)
    134            {
    135                this.attackTime = 20;
    136                this.attackEntityAsMob(par1Entity);
    137            }
    138        }
    139
    140        /**
    141         * Takes a coordinate in and returns a weight to determine how likely this creature will try to path to the block.
    142         * Args: x, y, z
    143         */
    144        public float getBlockPathWeight(int par1, int par2, int par3)
    145        {
    146            return 0.5F - this.worldObj.getLightBrightness(par1, par2, par3);
    147        }
    148
    149        /**
    150         * Checks to make sure the light is not too bright where the mob is spawning
    151         */
    152        protected boolean isValidLightLevel()
    153        {
    154            int var1 = MathHelper.floor_double(this.posX);
    155            int var2 = MathHelper.floor_double(this.boundingBox.minY);
    156            int var3 = MathHelper.floor_double(this.posZ);
    157
    158            if (this.worldObj.getSavedLightValue(EnumSkyBlock.Sky, var1, var2, var3) > this.rand.nextInt(32))
    159            {
    160                return false;
    161            }
    162            else
    163            {
    164                int var4 = this.worldObj.getBlockLightValue(var1, var2, var3);
    165
    166                if (this.worldObj.isThundering())
    167                {
    168                    int var5 = this.worldObj.skylightSubtracted;
    169                    this.worldObj.skylightSubtracted = 10;
    170                    var4 = this.worldObj.getBlockLightValue(var1, var2, var3);
    171                    this.worldObj.skylightSubtracted = var5;
    172                }
    173
    174                return var4 <= this.rand.nextInt(8);
    175            }
    176        }
    177
    178        /**
    179         * Checks if the entity's current position is a valid location to spawn this entity.
    180         */
    181        public boolean getCanSpawnHere()
    182        {
    183            return this.isValidLightLevel() && super.getCanSpawnHere();
    184        }
    185
    186        /**
    187         * Returns the amount of damage a mob should deal.
    188         */
    189        public int getAttackStrength(Entity par1Entity)
    190        {
    191            return 2;
    192        }
    193    }