/// <summary>
/// spawns a directionalShot to attack all enemies in a straight line
/// </summary>
/// <param name="targets">list of enemies in range. The DirectionalShot itself will find other enemies on its own as it goes by</param>
/// <param name="damageEvent">details of the attack. damageEvent.dest is ignored.</param>
/// <param name="attackDir">direction the attack should travel</param>
private void directionalShot(List <EnemyScript> targets, DamageEventData damageEvent, Vector2 attackDir)
{
//construct event
DirectionalShotData data = new DirectionalShotData();
data.attackDir = attackDir;
data.damageEvent = damageEvent;
data.targetList = targets;
//spawn it
GameObject shot = Instantiate(directionalShotPrefab);
shot.transform.position = transform.position; //center it on the tower
shot.SendMessage("SetData", data); //initialize it
}
//initializes the attack
public void SetData(DirectionalShotData data)
{
attackDir = data.attackDir;
transform.rotation = Quaternion.FromToRotation(Vector2.up, attackDir);
baseDamageEvent = data.damageEvent;
//put the initial target list on the expected list and inform those enemies
foreach (EnemyScript t in data.targetList)
{
//build event
DamageEventData ded = new DamageEventData();
ded.source = baseDamageEvent.source;
ded.rawDamage = baseDamageEvent.rawDamage;
ded.effects = baseDamageEvent.effects;
ded.dest = t;
//trigger effects
if (ded.effects != null)
{
foreach (IEffect ie in ded.effects.effects)
{
if (ie.triggersAs(EffectType.enemyDamaged))
{
((IEffectEnemyDamaged)ie).expectedDamage(ref ded);
}
}
}
//warn enemy
t.onExpectedDamage(ref ded);
expectedToHit.Add(ded);
}
//play sound
int soundToPlay = Random.Range(0, attackSounds.Length);
audioSource.clip = attackSounds[soundToPlay];
audioSource.volume = MessageHandlerScript.instance.SFXVolumeSetting;
audioSource.Play();
initialized = true; //flag ready
}