    001package net.minecraft.entity.ai;
    002
    003import net.minecraft.entity.EntityLiving;
    004import net.minecraft.entity.passive.EntityTameable;
    005
    006public class EntityAISit extends EntityAIBase
    007{
    008    private EntityTameable theEntity;
    009
    010    /** If the EntityTameable is sitting. */
    011    private boolean isSitting = false;
    012
    013    public EntityAISit(EntityTameable par1EntityTameable)
    014    {
    015        this.theEntity = par1EntityTameable;
    016        this.setMutexBits(5);
    017    }
    018
    019    /**
    020     * Returns whether the EntityAIBase should begin execution.
    021     */
    022    public boolean shouldExecute()
    023    {
    024        if (!this.theEntity.isTamed())
    025        {
    026            return false;
    027        }
    028        else if (this.theEntity.isInWater())
    029        {
    030            return false;
    031        }
    032        else if (!this.theEntity.onGround)
    033        {
    034            return false;
    035        }
    036        else
    037        {
    038            EntityLiving entityliving = this.theEntity.getOwner();
    039            return entityliving == null ? true : (this.theEntity.getDistanceSqToEntity(entityliving) < 144.0D && entityliving.getAITarget() != null ? false : this.isSitting);
    040        }
    041    }
    042
    043    /**
    044     * Execute a one shot task or start executing a continuous task
    045     */
    046    public void startExecuting()
    047    {
    048        this.theEntity.getNavigator().clearPathEntity();
    049        this.theEntity.setSitting(true);
    050    }
    051
    052    /**
    053     * Resets the task
    054     */
    055    public void resetTask()
    056    {
    057        this.theEntity.setSitting(false);
    058    }
    059
    060    /**
    061     * Sets the sitting flag.
    062     */
    063    public void setSitting(boolean par1)
    064    {
    065        this.isSitting = par1;
    066    }
    067}