public static GameObject GetUnit (this GameObject unitPart) {
string tag = "Unit";
if (unitPart.CompareTag (tag)) {
return unitPart;
} else if (unitPart.transform.parent != null) {
return unitPart.transform.parent.gameObject.GetUnit ();
}
return null;
}
public static bool IsPlayerTag(this GameObject self)
{
return self.CompareTag("Player");
}
public static bool IsAlien(this Component component)
{
return component.CompareTag("Alien");
}
public static bool IsBunker(this Component component)
{
return component.CompareTag("Bunker");
}
public static bool IsCannonZone(this Component component)
{
return component.CompareTag("CannonZone");
}
public static bool IsProjectile(this Component component)
{
return component.CompareTag("Projectile");
}
public static bool IsAlienVerticalEdge(this Component component)
{
return component.CompareTag("AlienVerticalEdge");
}
public static bool IsHorizontalEdge(this Component component)
{
return component.CompareTag("HorizontalEdge");
}
/**
* RemoveTag
*/
public static void RemoveTag(this GameObject go, string stag, bool bDestroyMultiTagComponentOnEmpty = false)
{
if (go == null) throw new System.ArgumentNullException("go");
//var multitag = go.GetComponent<MultiTag>();
//if (multitag != null)
//{
// multitag.RemoveTag(stag);
// if (bDestroyMultiTagComponentOnEmpty && multitag.Count == 0)
// {
// Object.Destroy(multitag);
// go.tag = SPConstants.TAG_UNTAGGED;
// }
//}
//else
//{
// if (go.CompareTag(stag)) go.tag = SPConstants.TAG_UNTAGGED;
//}
MultiTag multitag;
if (MultiTag.TryGetMultiTag(go, out multitag))
{
multitag.RemoveTag(stag);
if (bDestroyMultiTagComponentOnEmpty && multitag.Count == 0)
{
Object.Destroy(multitag);
go.tag = SPConstants.TAG_UNTAGGED;
}
}
else
{
if (go.CompareTag(stag)) go.tag = SPConstants.TAG_UNTAGGED;
}
}
public static bool HasTag(this GameObject go, params string[] stags)
{
if (stags == null) return false;
if (go == null) return false;
//foreach(var stag in stags)
//{
// if (go.CompareTag(stag)) return true;
//}
//var multitag = go.GetComponent<MultiTag>();
//if (multitag != null && multitag.ContainsTag(stags)) return true;
//return false;
MultiTag c;
if (MultiTag.TryGetMultiTag(go, out c))
{
return c.ContainsTag(stags);
}
else
{
foreach (var stag in stags)
{
if (go.CompareTag(stag)) return true;
}
}
return false;
}
/**
* HasTag
*/
public static bool HasTag(this GameObject go, string stag)
{
if (go == null) return false;
if (go.CompareTag(stag)) return true;
//var multitag = go.GetComponent<MultiTag>();
//if (multitag != null && multitag.ContainsTag(stag)) return true;
//return false;
MultiTag c;
if (MultiTag.TryGetMultiTag(go, out c))
return c.ContainsTag(stag);
else
return false;
}
/// <summary>
/// Determines if GameObject has a tag.
/// </summary>
/// <param name="go"></param>
/// <returns></returns>
public static bool HasTag(this GameObject go)
{
if (go == null) return false;
if (go.CompareTag(SPConstants.TAG_UNTAGGED)) return false;
//if (go.CompareTag(SPConstants.TAG_MULTITAG))
//{
// var multitag = go.GetComponent<MultiTag>();
// return (multitag != null) ? multitag.Count > 0 : false;
//}
//else
//{
// return true;
//}
MultiTag c;
if (MultiTag.TryGetMultiTag(go, out c))
return c.Count > 0;
else
return true;
}
public static bool IsEnemyShot(this Collider2D collider)
{
return collider.CompareTag ("Enemy Shot");
}
public static bool IsPowerUp(this Collider2D collider)
{
return collider.CompareTag ("PowerUp");
}
public static bool IsPlayerShot(this Collider2D collider)
{
return collider.CompareTag ("Player Shot");
}
public static bool IsObstacle(this Collider2D collider)
{
return collider.CompareTag ("Obstacle");
}
