    001package net.minecraft.entity.passive;
    002
    003import net.minecraft.entity.EntityAgeable;
    004import net.minecraft.entity.ai.EntityAIControlledByPlayer;
    005import net.minecraft.entity.ai.EntityAIFollowParent;
    006import net.minecraft.entity.ai.EntityAILookIdle;
    007import net.minecraft.entity.ai.EntityAIMate;
    008import net.minecraft.entity.ai.EntityAIPanic;
    009import net.minecraft.entity.ai.EntityAISwimming;
    010import net.minecraft.entity.ai.EntityAITempt;
    011import net.minecraft.entity.ai.EntityAIWander;
    012import net.minecraft.entity.ai.EntityAIWatchClosest;
    013import net.minecraft.entity.effect.EntityLightningBolt;
    014import net.minecraft.entity.monster.EntityPigZombie;
    015import net.minecraft.entity.player.EntityPlayer;
    016import net.minecraft.item.Item;
    017import net.minecraft.item.ItemStack;
    018import net.minecraft.nbt.NBTTagCompound;
    019import net.minecraft.stats.AchievementList;
    020import net.minecraft.world.World;
    021
    022public class EntityPig extends EntityAnimal
    023{
    024    /** AI task for player control. */
    025    private final EntityAIControlledByPlayer aiControlledByPlayer;
    026
    027    public EntityPig(World par1World)
    028    {
    029        super(par1World);
    030        this.texture = "/mob/pig.png";
    031        this.setSize(0.9F, 0.9F);
    032        this.getNavigator().setAvoidsWater(true);
    033        float f = 0.25F;
    034        this.tasks.addTask(0, new EntityAISwimming(this));
    035        this.tasks.addTask(1, new EntityAIPanic(this, 0.38F));
    036        this.tasks.addTask(2, this.aiControlledByPlayer = new EntityAIControlledByPlayer(this, 0.34F));
    037        this.tasks.addTask(3, new EntityAIMate(this, f));
    038        this.tasks.addTask(4, new EntityAITempt(this, 0.3F, Item.carrotOnAStick.itemID, false));
    039        this.tasks.addTask(4, new EntityAITempt(this, 0.3F, Item.carrot.itemID, false));
    040        this.tasks.addTask(5, new EntityAIFollowParent(this, 0.28F));
    041        this.tasks.addTask(6, new EntityAIWander(this, f));
    042        this.tasks.addTask(7, new EntityAIWatchClosest(this, EntityPlayer.class, 6.0F));
    043        this.tasks.addTask(8, new EntityAILookIdle(this));
    044    }
    045
    046    /**
    047     * Returns true if the newer Entity AI code should be run
    048     */
    049    public boolean isAIEnabled()
    050    {
    051        return true;
    052    }
    053
    054    public int getMaxHealth()
    055    {
    056        return 10;
    057    }
    058
    059    protected void updateAITasks()
    060    {
    061        super.updateAITasks();
    062    }
    063
    064    /**
    065     * returns true if all the conditions for steering the entity are met. For pigs, this is true if it is being ridden
    066     * by a player and the player is holding a carrot-on-a-stick
    067     */
    068    public boolean canBeSteered()
    069    {
    070        ItemStack itemstack = ((EntityPlayer)this.riddenByEntity).getHeldItem();
    071        return itemstack != null && itemstack.itemID == Item.carrotOnAStick.itemID;
    072    }
    073
    074    protected void entityInit()
    075    {
    076        super.entityInit();
    077        this.dataWatcher.addObject(16, Byte.valueOf((byte)0));
    078    }
    079
    080    /**
    081     * (abstract) Protected helper method to write subclass entity data to NBT.
    082     */
    083    public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
    084    {
    085        super.writeEntityToNBT(par1NBTTagCompound);
    086        par1NBTTagCompound.setBoolean("Saddle", this.getSaddled());
    087    }
    088
    089    /**
    090     * (abstract) Protected helper method to read subclass entity data from NBT.
    091     */
    092    public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
    093    {
    094        super.readEntityFromNBT(par1NBTTagCompound);
    095        this.setSaddled(par1NBTTagCompound.getBoolean("Saddle"));
    096    }
    097
    098    /**
    099     * Returns the sound this mob makes while it's alive.
    100     */
    101    protected String getLivingSound()
    102    {
    103        return "mob.pig.say";
    104    }
    105
    106    /**
    107     * Returns the sound this mob makes when it is hurt.
    108     */
    109    protected String getHurtSound()
    110    {
    111        return "mob.pig.say";
    112    }
    113
    114    /**
    115     * Returns the sound this mob makes on death.
    116     */
    117    protected String getDeathSound()
    118    {
    119        return "mob.pig.death";
    120    }
    121
    122    /**
    123     * Plays step sound at given x, y, z for the entity
    124     */
    125    protected void playStepSound(int par1, int par2, int par3, int par4)
    126    {
    127        this.playSound("mob.pig.step", 0.15F, 1.0F);
    128    }
    129
    130    /**
    131     * Called when a player interacts with a mob. e.g. gets milk from a cow, gets into the saddle on a pig.
    132     */
    133    public boolean interact(EntityPlayer par1EntityPlayer)
    134    {
    135        if (super.interact(par1EntityPlayer))
    136        {
    137            return true;
    138        }
    139        else if (this.getSaddled() && !this.worldObj.isRemote && (this.riddenByEntity == null || this.riddenByEntity == par1EntityPlayer))
    140        {
    141            par1EntityPlayer.mountEntity(this);
    142            return true;
    143        }
    144        else
    145        {
    146            return false;
    147        }
    148    }
    149
    150    /**
    151     * Returns the item ID for the item the mob drops on death.
    152     */
    153    protected int getDropItemId()
    154    {
    155        return this.isBurning() ? Item.porkCooked.itemID : Item.porkRaw.itemID;
    156    }
    157
    158    /**
    159     * Drop 0-2 items of this living's type. @param par1 - Whether this entity has recently been hit by a player. @param
    160     * par2 - Level of Looting used to kill this mob.
    161     */
    162    protected void dropFewItems(boolean par1, int par2)
    163    {
    164        int j = this.rand.nextInt(3) + 1 + this.rand.nextInt(1 + par2);
    165
    166        for (int k = 0; k < j; ++k)
    167        {
    168            if (this.isBurning())
    169            {
    170                this.dropItem(Item.porkCooked.itemID, 1);
    171            }
    172            else
    173            {
    174                this.dropItem(Item.porkRaw.itemID, 1);
    175            }
    176        }
    177
    178        if (this.getSaddled())
    179        {
    180            this.dropItem(Item.saddle.itemID, 1);
    181        }
    182    }
    183
    184    /**
    185     * Returns true if the pig is saddled.
    186     */
    187    public boolean getSaddled()
    188    {
    189        return (this.dataWatcher.getWatchableObjectByte(16) & 1) != 0;
    190    }
    191
    192    /**
    193     * Set or remove the saddle of the pig.
    194     */
    195    public void setSaddled(boolean par1)
    196    {
    197        if (par1)
    198        {
    199            this.dataWatcher.updateObject(16, Byte.valueOf((byte)1));
    200        }
    201        else
    202        {
    203            this.dataWatcher.updateObject(16, Byte.valueOf((byte)0));
    204        }
    205    }
    206
    207    /**
    208     * Called when a lightning bolt hits the entity.
    209     */
    210    public void onStruckByLightning(EntityLightningBolt par1EntityLightningBolt)
    211    {
    212        if (!this.worldObj.isRemote)
    213        {
    214            EntityPigZombie entitypigzombie = new EntityPigZombie(this.worldObj);
    215            entitypigzombie.setLocationAndAngles(this.posX, this.posY, this.posZ, this.rotationYaw, this.rotationPitch);
    216            this.worldObj.spawnEntityInWorld(entitypigzombie);
    217            this.setDead();
    218        }
    219    }
    220
    221    /**
    222     * Called when the mob is falling. Calculates and applies fall damage.
    223     */
    224    protected void fall(float par1)
    225    {
    226        super.fall(par1);
    227
    228        if (par1 > 5.0F && this.riddenByEntity instanceof EntityPlayer)
    229        {
    230            ((EntityPlayer)this.riddenByEntity).triggerAchievement(AchievementList.flyPig);
    231        }
    232    }
    233
    234    /**
    235     * This function is used when two same-species animals in 'love mode' breed to generate the new baby animal.
    236     */
    237    public EntityPig spawnBabyAnimal(EntityAgeable par1EntityAgeable)
    238    {
    239        return new EntityPig(this.worldObj);
    240    }
    241
    242    /**
    243     * Checks if the parameter is an item which this animal can be fed to breed it (wheat, carrots or seeds depending on
    244     * the animal type)
    245     */
    246    public boolean isBreedingItem(ItemStack par1ItemStack)
    247    {
    248        return par1ItemStack != null && par1ItemStack.itemID == Item.carrot.itemID;
    249    }
    250
    251    /**
    252     * Return the AI task for player control.
    253     */
    254    public EntityAIControlledByPlayer getAIControlledByPlayer()
    255    {
    256        return this.aiControlledByPlayer;
    257    }
    258
    259    public EntityAgeable createChild(EntityAgeable par1EntityAgeable)
    260    {
    261        return this.spawnBabyAnimal(par1EntityAgeable);
    262    }
    263}