package net.minecraft.entity.ai;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.player.EntityPlayer;
public class EntityAIWatchClosest extends EntityAIBase
{
private EntityLiving theWatcher;
/** The closest entity which is being watched by this one. */
protected Entity closestEntity;
private float field_75333_c;
private int lookTime;
private float field_75331_e;
private Class watchedClass;
public EntityAIWatchClosest(EntityLiving par1EntityLiving, Class par2Class, float par3)
{
this.theWatcher = par1EntityLiving;
this.watchedClass = par2Class;
this.field_75333_c = par3;
this.field_75331_e = 0.02F;
this.setMutexBits(2);
}
public EntityAIWatchClosest(EntityLiving par1EntityLiving, Class par2Class, float par3, float par4)
{
this.theWatcher = par1EntityLiving;
this.watchedClass = par2Class;
this.field_75333_c = par3;
this.field_75331_e = par4;
this.setMutexBits(2);
}
/**
* Returns whether the EntityAIBase should begin execution.
*/
public boolean shouldExecute()
{
if (this.theWatcher.getRNG().nextFloat() >= this.field_75331_e)
{
return false;
}
else
{
if (this.watchedClass == EntityPlayer.class)
{
this.closestEntity = this.theWatcher.worldObj.getClosestPlayerToEntity(this.theWatcher, (double)this.field_75333_c);
}
else
{
this.closestEntity = this.theWatcher.worldObj.findNearestEntityWithinAABB(this.watchedClass, this.theWatcher.boundingBox.expand((double)this.field_75333_c, 3.0D, (double)this.field_75333_c), this.theWatcher);
}
return this.closestEntity != null;
}
}
/**
* Returns whether an in-progress EntityAIBase should continue executing
*/
public boolean continueExecuting()
{
return !this.closestEntity.isEntityAlive() ? false : (this.theWatcher.getDistanceSqToEntity(this.closestEntity) > (double)(this.field_75333_c * this.field_75333_c) ? false : this.lookTime > 0);
}
/**
* Execute a one shot task or start executing a continuous task
*/
public void startExecuting()
{
this.lookTime = 40 + this.theWatcher.getRNG().nextInt(40);
}
/**
* Resets the task
*/
public void resetTask()
{
this.closestEntity = null;
}
/**
* Updates the task
*/
public void updateTask()
{
this.theWatcher.getLookHelper().setLookPosition(this.closestEntity.posX, this.closestEntity.posY + (double)this.closestEntity.getEyeHeight(), this.closestEntity.posZ, 10.0F, (float)this.theWatcher.getVerticalFaceSpeed());
--this.lookTime;
}
}