    001    package net.minecraft.entity.monster;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.util.Iterator;
    006    import java.util.List;
    007    import net.minecraft.entity.EntityLiving;
    008    import net.minecraft.entity.IRangedAttackMob;
    009    import net.minecraft.entity.ai.EntityAIArrowAttack;
    010    import net.minecraft.entity.ai.EntityAIHurtByTarget;
    011    import net.minecraft.entity.ai.EntityAILookIdle;
    012    import net.minecraft.entity.ai.EntityAINearestAttackableTarget;
    013    import net.minecraft.entity.ai.EntityAISwimming;
    014    import net.minecraft.entity.ai.EntityAIWander;
    015    import net.minecraft.entity.ai.EntityAIWatchClosest;
    016    import net.minecraft.entity.player.EntityPlayer;
    017    import net.minecraft.entity.projectile.EntityPotion;
    018    import net.minecraft.item.Item;
    019    import net.minecraft.item.ItemStack;
    020    import net.minecraft.potion.Potion;
    021    import net.minecraft.potion.PotionEffect;
    022    import net.minecraft.util.DamageSource;
    023    import net.minecraft.util.MathHelper;
    024    import net.minecraft.world.World;
    025
    026    public class EntityWitch extends EntityMob implements IRangedAttackMob
    027    {
    028        /** List of items a witch should drop on death. */
    029        private static final int[] witchDrops = new int[] {Item.lightStoneDust.shiftedIndex, Item.sugar.shiftedIndex, Item.redstone.shiftedIndex, Item.spiderEye.shiftedIndex, Item.glassBottle.shiftedIndex, Item.gunpowder.shiftedIndex, Item.stick.shiftedIndex, Item.stick.shiftedIndex};
    030
    031        /**
    032         * Timer used as interval for a witch's attack, decremented every tick if aggressive and when reaches zero the witch
    033         * will throw a potion at the target entity.
    034         */
    035        private int witchAttackTimer = 0;
    036
    037        public EntityWitch(World par1World)
    038        {
    039            super(par1World);
    040            this.texture = "/mob/villager/witch.png";
    041            this.moveSpeed = 0.25F;
    042            this.tasks.addTask(1, new EntityAISwimming(this));
    043            this.tasks.addTask(2, new EntityAIArrowAttack(this, this.moveSpeed, 60, 10.0F));
    044            this.tasks.addTask(2, new EntityAIWander(this, this.moveSpeed));
    045            this.tasks.addTask(3, new EntityAIWatchClosest(this, EntityPlayer.class, 8.0F));
    046            this.tasks.addTask(3, new EntityAILookIdle(this));
    047            this.targetTasks.addTask(1, new EntityAIHurtByTarget(this, false));
    048            this.targetTasks.addTask(2, new EntityAINearestAttackableTarget(this, EntityPlayer.class, 16.0F, 0, true));
    049        }
    050
    051        protected void entityInit()
    052        {
    053            super.entityInit();
    054            this.getDataWatcher().addObject(21, Byte.valueOf((byte)0));
    055        }
    056
    057        /**
    058         * Returns the sound this mob makes while it's alive.
    059         */
    060        protected String getLivingSound()
    061        {
    062            return "mob.witch.idle";
    063        }
    064
    065        /**
    066         * Returns the sound this mob makes when it is hurt.
    067         */
    068        protected String getHurtSound()
    069        {
    070            return "mob.witch.hurt";
    071        }
    072
    073        /**
    074         * Returns the sound this mob makes on death.
    075         */
    076        protected String getDeathSound()
    077        {
    078            return "mob.witch.death";
    079        }
    080
    081        /**
    082         * Set whether this witch is aggressive at an entity.
    083         */
    084        public void setAggressive(boolean par1)
    085        {
    086            this.getDataWatcher().updateObject(21, Byte.valueOf((byte)(par1 ? 1 : 0)));
    087        }
    088
    089        /**
    090         * Return whether this witch is aggressive at an entity.
    091         */
    092        public boolean getAggressive()
    093        {
    094            return this.getDataWatcher().getWatchableObjectByte(21) == 1;
    095        }
    096
    097        public int getMaxHealth()
    098        {
    099            return 26;
    100        }
    101
    102        /**
    103         * Returns true if the newer Entity AI code should be run
    104         */
    105        public boolean isAIEnabled()
    106        {
    107            return true;
    108        }
    109
    110        /**
    111         * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
    112         * use this to react to sunlight and start to burn.
    113         */
    114        public void onLivingUpdate()
    115        {
    116            if (!this.worldObj.isRemote)
    117            {
    118                if (this.getAggressive())
    119                {
    120                    if (this.witchAttackTimer-- <= 0)
    121                    {
    122                        this.setAggressive(false);
    123                        ItemStack var1 = this.getHeldItem();
    124                        this.setCurrentItemOrArmor(0, (ItemStack)null);
    125
    126                        if (var1 != null && var1.itemID == Item.potion.shiftedIndex)
    127                        {
    128                            List var2 = Item.potion.getEffects(var1);
    129
    130                            if (var2 != null)
    131                            {
    132                                Iterator var3 = var2.iterator();
    133
    134                                while (var3.hasNext())
    135                                {
    136                                    PotionEffect var4 = (PotionEffect)var3.next();
    137                                    this.addPotionEffect(new PotionEffect(var4));
    138                                }
    139                            }
    140                        }
    141                    }
    142                }
    143                else
    144                {
    145                    short var5 = -1;
    146
    147                    if (this.rand.nextFloat() < 0.15F && this.isBurning() && !this.isPotionActive(Potion.fireResistance))
    148                    {
    149                        var5 = 16307;
    150                    }
    151                    else if (this.rand.nextFloat() < 0.05F && this.health < this.getMaxHealth())
    152                    {
    153                        var5 = 16341;
    154                    }
    155                    else if (this.rand.nextFloat() < 0.25F && this.getAttackTarget() != null && !this.isPotionActive(Potion.moveSpeed) && this.getAttackTarget().getDistanceSqToEntity(this) > 121.0D)
    156                    {
    157                        var5 = 16274;
    158                    }
    159                    else if (this.rand.nextFloat() < 0.25F && this.getAttackTarget() != null && !this.isPotionActive(Potion.moveSpeed) && this.getAttackTarget().getDistanceSqToEntity(this) > 121.0D)
    160                    {
    161                        var5 = 16274;
    162                    }
    163
    164                    if (var5 > -1)
    165                    {
    166                        this.setCurrentItemOrArmor(0, new ItemStack(Item.potion, 1, var5));
    167                        this.witchAttackTimer = this.getHeldItem().getMaxItemUseDuration();
    168                        this.setAggressive(true);
    169                    }
    170                }
    171
    172                if (this.rand.nextFloat() < 7.5E-4F)
    173                {
    174                    this.worldObj.setEntityState(this, (byte)15);
    175                }
    176            }
    177
    178            super.onLivingUpdate();
    179        }
    180
    181        /**
    182         * Reduces damage, depending on potions
    183         */
    184        protected int applyPotionDamageCalculations(DamageSource par1DamageSource, int par2)
    185        {
    186            par2 = super.applyPotionDamageCalculations(par1DamageSource, par2);
    187
    188            if (par1DamageSource.getEntity() == this)
    189            {
    190                par2 = 0;
    191            }
    192
    193            if (par1DamageSource.isMagicDamage())
    194            {
    195                par2 = (int)((double)par2 * 0.15D);
    196            }
    197
    198            return par2;
    199        }
    200
    201        @SideOnly(Side.CLIENT)
    202        public void handleHealthUpdate(byte par1)
    203        {
    204            if (par1 == 15)
    205            {
    206                for (int var2 = 0; var2 < this.rand.nextInt(35) + 10; ++var2)
    207                {
    208                    this.worldObj.spawnParticle("witchMagic", this.posX + this.rand.nextGaussian() * 0.12999999523162842D, this.boundingBox.maxY + 0.5D + this.rand.nextGaussian() * 0.12999999523162842D, this.posZ + this.rand.nextGaussian() * 0.12999999523162842D, 0.0D, 0.0D, 0.0D);
    209                }
    210            }
    211            else
    212            {
    213                super.handleHealthUpdate(par1);
    214            }
    215        }
    216
    217        /**
    218         * This method returns a value to be applied directly to entity speed, this factor is less than 1 when a slowdown
    219         * potion effect is applied, more than 1 when a haste potion effect is applied and 2 for fleeing entities.
    220         */
    221        public float getSpeedModifier()
    222        {
    223            float var1 = super.getSpeedModifier();
    224
    225            if (this.getAggressive())
    226            {
    227                var1 *= 0.75F;
    228            }
    229
    230            return var1;
    231        }
    232
    233        /**
    234         * Drop 0-2 items of this living's type
    235         */
    236        protected void dropFewItems(boolean par1, int par2)
    237        {
    238            int var3 = this.rand.nextInt(3) + 1;
    239
    240            for (int var4 = 0; var4 < var3; ++var4)
    241            {
    242                int var5 = this.rand.nextInt(3);
    243                int var6 = witchDrops[this.rand.nextInt(witchDrops.length)];
    244
    245                if (par2 > 0)
    246                {
    247                    var5 += this.rand.nextInt(par2 + 1);
    248                }
    249
    250                for (int var7 = 0; var7 < var5; ++var7)
    251                {
    252                    this.dropItem(var6, 1);
    253                }
    254            }
    255        }
    256
    257        /**
    258         * Attack the specified entity using a ranged attack.
    259         */
    260        public void attackEntityWithRangedAttack(EntityLiving par1EntityLiving)
    261        {
    262            if (!this.getAggressive())
    263            {
    264                EntityPotion var2 = new EntityPotion(this.worldObj, this, 32732);
    265                var2.rotationPitch -= -20.0F;
    266                double var3 = par1EntityLiving.posX + par1EntityLiving.motionX - this.posX;
    267                double var5 = par1EntityLiving.posY + (double)par1EntityLiving.getEyeHeight() - 1.100000023841858D - this.posY;
    268                double var7 = par1EntityLiving.posZ + par1EntityLiving.motionZ - this.posZ;
    269                float var9 = MathHelper.sqrt_double(var3 * var3 + var7 * var7);
    270
    271                if (var9 >= 8.0F && !par1EntityLiving.isPotionActive(Potion.moveSlowdown))
    272                {
    273                    var2.setPotionDamage(32698);
    274                }
    275                else if (par1EntityLiving.getHealth() >= 8 && !par1EntityLiving.isPotionActive(Potion.poison))
    276                {
    277                    var2.setPotionDamage(32660);
    278                }
    279                else if (var9 <= 3.0F && !par1EntityLiving.isPotionActive(Potion.weakness) && this.rand.nextFloat() < 0.25F)
    280                {
    281                    var2.setPotionDamage(32696);
    282                }
    283
    284                var2.setThrowableHeading(var3, var5 + (double)(var9 * 0.2F), var7, 0.75F, 8.0F);
    285                this.worldObj.spawnEntityInWorld(var2);
    286            }
    287        }
    288    }