/// <summary>
/// Destroy cache GameObject and add to free list
/// </summary>
/// <param name="objectToDestroy">GameObject with CacheBehavior component</param>
/// <remarks>
/// If GameObject has not a CacheBehavior component, spawner destroy it normally ( by GameObject.Destroy method )
/// </remarks>
public static void DestroyCache(GameObject objectToDestroy)
{
if (objectToDestroy == null)
{
return; // maybe engine destroy it before
}
CacheObject cache = GetCacheObject(objectToDestroy);
if (cache != null)
{
CacheBehavior cacheBehavior = objectToDestroy.GetComponent <CacheBehavior>();
if (!cacheBehavior.IsCached)
{
cacheBehavior.IsCached = true;
cache.Free(objectToDestroy);
EventManager eventManager = objectToDestroy.GetComponent <EventManager>();
if (eventManager != null)
{
eventManager.RaiseCached(null, new CacheEventArgs(cache.CacheId));
}
}
}
else
{
GameObject.Destroy(objectToDestroy);
}
}
private static CacheObject GetCacheObject(GameObject prefab)
{
try
{
CacheBehavior cacheBehavior = prefab.GetComponent <CacheBehavior>();
if (cacheBehavior != null)
{
if (cacheBehavior.Group != null)
{
foreach (var item in cacheBehavior.Group.Caches)
{
if (item.CacheId == cacheBehavior.CacheId)
{
return(item);
}
}
}
}
}
catch (MissingReferenceException)
{
Debug.LogWarning("MissingReference of " + prefab.name);
throw;
}
return(null);
}
private void SetCacheIdAndGroup(GameObject obj)
{
CacheBehavior cacheable = obj.GetComponent <CacheBehavior>();
if (cacheable != null)
{
cacheable.CacheId = this.CacheId;
cacheable.Group = Group;
}
else
{
throw new Exception("The prefab you set for cache does not have CacheBehavior component : " + obj.name);
}
}
/// <summary>
/// Spawn a cache object
/// </summary>
/// <param name="prefab">GameObject with CacheBehavior component</param>
/// <param name="position">Position</param>
/// <param name="rotation">Rotation</param>
/// <param name="active">Activate at spawn time or let caller activate it self</param>
/// <returns>Spawned GameObject</returns>
/// <remarks>
/// If GameObject has not a CacheBehavior component, spawner instantiate it normally ( by GameObject.Instantiate method )
/// </remarks>
public static GameObject Spawn(GameObject prefab, Vector3 position, Quaternion rotation, bool active = true)
{
if (prefab == null)
{
Debug.LogError("Invalid GameObject to spawn");
return(null);
}
GameObject obj = null;
CacheObject cache = GetCacheObject(prefab);
// If there's no cache for this prefab type, just instantiate normally
if (cache == null)
{
obj = GameObject.Instantiate(prefab, position, rotation) as GameObject;
}
else
{
// Find the next object in the cache
obj = cache.Next();
CacheBehavior cacheBehavior = obj.GetComponent <CacheBehavior>();
cacheBehavior.IsCached = false;
try
{
// Set the position and rotation of the object
obj.transform.position = position;
obj.transform.rotation = rotation;
}
catch (MissingReferenceException)
{
Debug.LogWarning(string.Format("MissingReferenceException when spawn prefab.name : {0}, catchId : {1}.", prefab.name, cache.CacheId));
throw;
}
}
if (obj != null && active)
{// Set the object to be active
obj.SetActive(active);
}
return(obj);
}
