/// <summary>
/// Overrides the lightning towers's update function to use to attack the targeted base
/// </summary>
/// <param name="lightningTower">stores a reference of the TowerStateMachine in tower</param>
/// <returns>>It returns back into itself until the current enemy is destroyed</returns>
public override LightningTowerState Update(LightningTowerStateMachine lightningTower)
{
if (lightningTower.attackTarget != null) // if the attackTarget isn't null
{
lightningTower.timeUntilNextShot -= Time.deltaTime; // then start attack timer
if (lightningTower.timeUntilNextShot <= 0) // if atack timer reaches zero
{
lightningTower.enemy.TakeDamage(lightningTower.attackDamage); // attack
lightningTower.timeUntilNextShot = lightningTower.timeBetweenShots; // reset timer
}
}
return(null); // return back into itself
}
/// <summary>
/// Handles when a tower is selected, doesn't work anymore
/// </summary>
private void ClickToSelectTower()
{
if (Input.GetButtonDown("Fire1") && Input.GetButton("Jump")) // on left click + spacebar
{
Ray ray = cam.ScreenPointToRay(Input.mousePosition); // create a ray from the camera, through scene to the mouse
if (Physics.Raycast(ray, out RaycastHit hit, 50, clickableObjects))
{ // shoot ray into scene, detect where it hit
TowerStateMachine tower = hit.collider.GetComponent <TowerStateMachine>();
if (tower != null && isTowerOne)
{
currentlySelectedTower = tower;
}
LightningTowerStateMachine lightningTower = hit.collider.GetComponent <LightningTowerStateMachine>();
if (tower != null && isTowerTwo)
{
currentlySelectedLightningTower = lightningTower;
}
}
else
{
currentlySelectedTower = null; // deselect
currentlySelectedLightningTower = null;
}
}
public virtual void OnStart(LightningTowerStateMachine lightningTower) { } // a start function that can be taken over by other classes
public virtual void OnEnd(LightningTowerStateMachine lightningTower) { } // a end function that can be taken over by other classes
public abstract LightningTowerState Update(LightningTowerStateMachine lightningTower); // creates a special update that can be taken over by other classes
/// <summary>
/// Overrides the lightning tower update to use in this current state
/// </summary>
/// <param name="lightningTower">stores a reference of the LightningTowerStateMachine in lightningTower</param>
/// <returns>It returns back into itself until the current enemy is destroyed or out of range</returns>
public override LightningTowerState Update(LightningTowerStateMachine lightningTower)
{
return null;// stay in current state
} // end update