    001package net.minecraft.entity.ai;
    002
    003import net.minecraft.entity.passive.EntityWolf;
    004import net.minecraft.entity.player.EntityPlayer;
    005import net.minecraft.item.Item;
    006import net.minecraft.item.ItemStack;
    007import net.minecraft.world.World;
    008
    009public class EntityAIBeg extends EntityAIBase
    010{
    011    private EntityWolf theWolf;
    012    private EntityPlayer thePlayer;
    013    private World worldObject;
    014    private float minPlayerDistance;
    015    private int field_75384_e;
    016
    017    public EntityAIBeg(EntityWolf par1EntityWolf, float par2)
    018    {
    019        this.theWolf = par1EntityWolf;
    020        this.worldObject = par1EntityWolf.worldObj;
    021        this.minPlayerDistance = par2;
    022        this.setMutexBits(2);
    023    }
    024
    025    /**
    026     * Returns whether the EntityAIBase should begin execution.
    027     */
    028    public boolean shouldExecute()
    029    {
    030        this.thePlayer = this.worldObject.getClosestPlayerToEntity(this.theWolf, (double)this.minPlayerDistance);
    031        return this.thePlayer == null ? false : this.hasPlayerGotBoneInHand(this.thePlayer);
    032    }
    033
    034    /**
    035     * Returns whether an in-progress EntityAIBase should continue executing
    036     */
    037    public boolean continueExecuting()
    038    {
    039        return !this.thePlayer.isEntityAlive() ? false : (this.theWolf.getDistanceSqToEntity(this.thePlayer) > (double)(this.minPlayerDistance * this.minPlayerDistance) ? false : this.field_75384_e > 0 && this.hasPlayerGotBoneInHand(this.thePlayer));
    040    }
    041
    042    /**
    043     * Execute a one shot task or start executing a continuous task
    044     */
    045    public void startExecuting()
    046    {
    047        this.theWolf.func_70918_i(true);
    048        this.field_75384_e = 40 + this.theWolf.getRNG().nextInt(40);
    049    }
    050
    051    /**
    052     * Resets the task
    053     */
    054    public void resetTask()
    055    {
    056        this.theWolf.func_70918_i(false);
    057        this.thePlayer = null;
    058    }
    059
    060    /**
    061     * Updates the task
    062     */
    063    public void updateTask()
    064    {
    065        this.theWolf.getLookHelper().setLookPosition(this.thePlayer.posX, this.thePlayer.posY + (double)this.thePlayer.getEyeHeight(), this.thePlayer.posZ, 10.0F, (float)this.theWolf.getVerticalFaceSpeed());
    066        --this.field_75384_e;
    067    }
    068
    069    /**
    070     * Gets if the Player has the Bone in the hand.
    071     */
    072    private boolean hasPlayerGotBoneInHand(EntityPlayer par1EntityPlayer)
    073    {
    074        ItemStack var2 = par1EntityPlayer.inventory.getCurrentItem();
    075        return var2 == null ? false : (!this.theWolf.isTamed() && var2.itemID == Item.bone.itemID ? true : this.theWolf.isBreedingItem(var2));
    076    }
    077}