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 itemstack = par1EntityPlayer.inventory.getCurrentItem();
075        return itemstack == null ? false : (!this.theWolf.isTamed() && itemstack.itemID == Item.bone.itemID ? true : this.theWolf.isBreedingItem(itemstack));
076    }
077}