EntityChicken.java

package net.minecraft.entity.passive;

import net.minecraft.entity.EntityAgeable;
import net.minecraft.entity.ai.EntityAIFollowParent;
import net.minecraft.entity.ai.EntityAILookIdle;
import net.minecraft.entity.ai.EntityAIMate;
import net.minecraft.entity.ai.EntityAIPanic;
import net.minecraft.entity.ai.EntityAISwimming;
import net.minecraft.entity.ai.EntityAITempt;
import net.minecraft.entity.ai.EntityAIWander;
import net.minecraft.entity.ai.EntityAIWatchClosest;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemSeeds;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;

public class EntityChicken extends EntityAnimal
{
    public boolean field_70885_d = false;
    public float field_70886_e = 0.0F;
    public float destPos = 0.0F;
    public float field_70884_g;
    public float field_70888_h;
    public float field_70889_i = 1.0F;

    /** The time until the next egg is spawned. */
    public int timeUntilNextEgg;

    public EntityChicken(World par1World)
    {
        super(par1World);
        this.texture = "/mob/chicken.png";
        this.setSize(0.3F, 0.7F);
        this.timeUntilNextEgg = this.rand.nextInt(6000) + 6000;
        float var2 = 0.25F;
        this.tasks.addTask(0, new EntityAISwimming(this));
        this.tasks.addTask(1, new EntityAIPanic(this, 0.38F));
        this.tasks.addTask(2, new EntityAIMate(this, var2));
        this.tasks.addTask(3, new EntityAITempt(this, 0.25F, Item.seeds.itemID, false));
        this.tasks.addTask(4, new EntityAIFollowParent(this, 0.28F));
        this.tasks.addTask(5, new EntityAIWander(this, var2));
        this.tasks.addTask(6, new EntityAIWatchClosest(this, EntityPlayer.class, 6.0F));
        this.tasks.addTask(7, new EntityAILookIdle(this));
    }

    /**
     * Returns true if the newer Entity AI code should be run
     */
    public boolean isAIEnabled()
    {
        return true;
    }

    public int getMaxHealth()
    {
        return 4;
    }

    /**
     * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
     * use this to react to sunlight and start to burn.
     */
    public void onLivingUpdate()
    {
        super.onLivingUpdate();
        this.field_70888_h = this.field_70886_e;
        this.field_70884_g = this.destPos;
        this.destPos = (float)((double)this.destPos + (double)(this.onGround ? -1 : 4) * 0.3D);

        if (this.destPos < 0.0F)
        {
            this.destPos = 0.0F;
        }

        if (this.destPos > 1.0F)
        {
            this.destPos = 1.0F;
        }

        if (!this.onGround && this.field_70889_i < 1.0F)
        {
            this.field_70889_i = 1.0F;
        }

        this.field_70889_i = (float)((double)this.field_70889_i * 0.9D);

        if (!this.onGround && this.motionY < 0.0D)
        {
            this.motionY *= 0.6D;
        }

        this.field_70886_e += this.field_70889_i * 2.0F;

        if (!this.isChild() && !this.worldObj.isRemote && --this.timeUntilNextEgg <= 0)
        {
            this.playSound("mob.chicken.plop", 1.0F, (this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F + 1.0F);
            this.dropItem(Item.egg.itemID, 1);
            this.timeUntilNextEgg = this.rand.nextInt(6000) + 6000;
        }
    }

    /**
     * Called when the mob is falling. Calculates and applies fall damage.
     */
    protected void fall(float par1) {}

    /**
     * Returns the sound this mob makes while it's alive.
     */
    protected String getLivingSound()
    {
        return "mob.chicken.say";
    }

    /**
     * Returns the sound this mob makes when it is hurt.
     */
    protected String getHurtSound()
    {
        return "mob.chicken.hurt";
    }

    /**
     * Returns the sound this mob makes on death.
     */
    protected String getDeathSound()
    {
        return "mob.chicken.hurt";
    }

    /**
     * Plays step sound at given x, y, z for the entity
     */
    protected void playStepSound(int par1, int par2, int par3, int par4)
    {
        this.playSound("mob.chicken.step", 0.15F, 1.0F);
    }

    /**
     * Returns the item ID for the item the mob drops on death.
     */
    protected int getDropItemId()
    {
        return Item.feather.itemID;
    }

    /**
     * Drop 0-2 items of this living's type. @param par1 - Whether this entity has recently been hit by a player. @param
     * par2 - Level of Looting used to kill this mob.
     */
    protected void dropFewItems(boolean par1, int par2)
    {
        int var3 = this.rand.nextInt(3) + this.rand.nextInt(1 + par2);

        for (int var4 = 0; var4 < var3; ++var4)
        {
            this.dropItem(Item.feather.itemID, 1);
        }

        if (this.isBurning())
        {
            this.dropItem(Item.chickenCooked.itemID, 1);
        }
        else
        {
            this.dropItem(Item.chickenRaw.itemID, 1);
        }
    }

    /**
     * This function is used when two same-species animals in 'love mode' breed to generate the new baby animal.
     */
    public EntityChicken spawnBabyAnimal(EntityAgeable par1EntityAgeable)
    {
        return new EntityChicken(this.worldObj);
    }

    /**
     * Checks if the parameter is an item which this animal can be fed to breed it (wheat, carrots or seeds depending on
     * the animal type)
     */
    public boolean isBreedingItem(ItemStack par1ItemStack)
    {
        return par1ItemStack != null && par1ItemStack.getItem() instanceof ItemSeeds;
    }

    public EntityAgeable createChild(EntityAgeable par1EntityAgeable)
    {
        return this.spawnBabyAnimal(par1EntityAgeable);
    }
}