    001package net.minecraft.entity.monster;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import java.util.Iterator;
    006import java.util.List;
    007import net.minecraft.entity.EntityLiving;
    008import net.minecraft.entity.IRangedAttackMob;
    009import net.minecraft.entity.ai.EntityAIArrowAttack;
    010import net.minecraft.entity.ai.EntityAIHurtByTarget;
    011import net.minecraft.entity.ai.EntityAILookIdle;
    012import net.minecraft.entity.ai.EntityAINearestAttackableTarget;
    013import net.minecraft.entity.ai.EntityAISwimming;
    014import net.minecraft.entity.ai.EntityAIWander;
    015import net.minecraft.entity.ai.EntityAIWatchClosest;
    016import net.minecraft.entity.player.EntityPlayer;
    017import net.minecraft.entity.projectile.EntityPotion;
    018import net.minecraft.item.Item;
    019import net.minecraft.item.ItemStack;
    020import net.minecraft.potion.Potion;
    021import net.minecraft.potion.PotionEffect;
    022import net.minecraft.util.DamageSource;
    023import net.minecraft.util.MathHelper;
    024import net.minecraft.world.World;
    025
    026public 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.itemID, Item.sugar.itemID, Item.redstone.itemID, Item.spiderEye.itemID, Item.glassBottle.itemID, Item.gunpowder.itemID, Item.stick.itemID, Item.stick.itemID};
    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.itemID)
    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. @param par1 - Whether this entity has recently been hit by a player. @param
    235     * par2 - Level of Looting used to kill this mob.
    236     */
    237    protected void dropFewItems(boolean par1, int par2)
    238    {
    239        int var3 = this.rand.nextInt(3) + 1;
    240
    241        for (int var4 = 0; var4 < var3; ++var4)
    242        {
    243            int var5 = this.rand.nextInt(3);
    244            int var6 = witchDrops[this.rand.nextInt(witchDrops.length)];
    245
    246            if (par2 > 0)
    247            {
    248                var5 += this.rand.nextInt(par2 + 1);
    249            }
    250
    251            for (int var7 = 0; var7 < var5; ++var7)
    252            {
    253                this.dropItem(var6, 1);
    254            }
    255        }
    256    }
    257
    258    /**
    259     * Attack the specified entity using a ranged attack.
    260     */
    261    public void attackEntityWithRangedAttack(EntityLiving par1EntityLiving)
    262    {
    263        if (!this.getAggressive())
    264        {
    265            EntityPotion var2 = new EntityPotion(this.worldObj, this, 32732);
    266            var2.rotationPitch -= -20.0F;
    267            double var3 = par1EntityLiving.posX + par1EntityLiving.motionX - this.posX;
    268            double var5 = par1EntityLiving.posY + (double)par1EntityLiving.getEyeHeight() - 1.100000023841858D - this.posY;
    269            double var7 = par1EntityLiving.posZ + par1EntityLiving.motionZ - this.posZ;
    270            float var9 = MathHelper.sqrt_double(var3 * var3 + var7 * var7);
    271
    272            if (var9 >= 8.0F && !par1EntityLiving.isPotionActive(Potion.moveSlowdown))
    273            {
    274                var2.setPotionDamage(32698);
    275            }
    276            else if (par1EntityLiving.getHealth() >= 8 && !par1EntityLiving.isPotionActive(Potion.poison))
    277            {
    278                var2.setPotionDamage(32660);
    279            }
    280            else if (var9 <= 3.0F && !par1EntityLiving.isPotionActive(Potion.weakness) && this.rand.nextFloat() < 0.25F)
    281            {
    282                var2.setPotionDamage(32696);
    283            }
    284
    285            var2.setThrowableHeading(var3, var5 + (double)(var9 * 0.2F), var7, 0.75F, 8.0F);
    286            this.worldObj.spawnEntityInWorld(var2);
    287        }
    288    }
    289}