/// <summary>
/// Despawns the specified object.
/// </summary>
/// <param name="obj">The object.</param>
public void Despawn(GameObject obj)
{
PoolMember pm = obj.GetComponent <PoolMember>();
if (null == pm)
{
Debug.LogError("Object " + obj + "wasn't spawned from a pool. " +
"Destroying instead...");
Destroy(obj);
}
else
{
pm.Pool.Despawn(pm);
}
}
/// <summary>
/// Spawns this pool's <see cref="_poolObject"/>
/// with the corresponding parameters
/// </summary>
/// <param name="position">The position.</param>
/// <param name="rotation">The rotation.</param>
/// <param name="localScale">The local scale.</param>
/// <returns></returns>
public GameObject Spawn(Vector3 position = default(Vector3),
Quaternion rotation = default(Quaternion),
Vector3?localScale = null)
{
if (localScale == null)
{
localScale = new Vector3(1, 1, 1);
}
GameObject obj;
PoolMember member = null;
if (_actives.Count < _capacity)
{
if (_inactives.Count == 0)
{
// the object isn't on the pool, thus it's instantiated
obj = Instantiate(_poolObject);
obj.name = _poolObject.name + " (" + obj.GetInstanceID() + ")";
obj.transform.SetParent(transform);
// link with this object pool
member = obj.GetComponent <PoolMember>();
if (null == member)
{
obj.AddComponent <PoolMember>().Pool = this;
}
else
{
member.Pool = this;
}
}
else
{
// grab the last inactive
obj = _inactives.Pop();
}
}
else
{
obj = _actives.Dequeue();
}
// the expected obj has been destroyed somewhere else
if (obj == null)
{
return(Spawn(position, rotation, localScale));
}
if (null != member)
{
member.OnSpawn();
}
else
{
obj.GetComponent <PoolMember>().OnSpawn();
}
// set transform parameters
obj.transform.position = position;
obj.transform.rotation = rotation;
obj.transform.localScale = localScale.Value;
obj.SetActive(true);
_actives.Enqueue(obj);
return(obj);
}
/// <summary>
/// Puts the despawned object back to the inactives stack
/// and deactivates it's <see cref="GameObject"/>
/// </summary>
/// <param name="member">The member.</param>
private void Despawn(PoolMember member)
{
member.gameObject.SetActive(false);
member.OnDespawn();
_inactives.Push(member.gameObject);
}