/// <summary>
/// Add a prefab to the Pool list, and create a pool. Returns the list index.
/// </summary>
/// <param name="_prefab"></param>
/// <param name="_growBy"></param>
/// <param name="_scriptToAdd">Indicate a typeof(Component) that you want added (if not already there) to the root of all instantiated pool items.</param>
/// <returns></returns>
public static void AddPrefabToPool(GameObject _prefab, int startingSize = 8, int _growBy = 8, Type _scriptToAdd = null, bool tidyUp = false)
{
#if UNITY_EDITOR
if (!_prefab)
{
Debug.LogWarning("Attempt to add null object to the pool.");
}
#endif
if (poolItemDefs.ContainsKey(_prefab))
{
return;
}
pools.Add(_prefab, new Stack <Pool>());
var poolDef = new PoolItemDef(_prefab, _growBy, _scriptToAdd);
poolItemDefs.Add(_prefab, poolDef);
GrowPool(_prefab, startingSize);
if (tidyUp)
{
#if UNITY_EDITOR
_prefab.transform.parent = tidyUpParent;
#endif
_prefab.gameObject.SetActive(false);
}
}
private static void GrowPool(GameObject _prefab, int growAmt = -1)
{
#if UNITY_EDITOR
// put pooled items onto a parent to tidy up in editor mode - completely ignored in release
if (tidyUpInEditorMode && !tidyUpParent)
{
tidyUpParent = new GameObject("Pool Items (Editor Only)").transform;
}
#endif
PoolItemDef def = poolItemDefs[_prefab];
// Grow by the amount originally specified if no growAmt is given.
int growby = (growAmt < 1) ? def.growBy : growAmt;
for (int i = 0; i < growby; i++)
{
#if UNITY_EDITOR
// put pooled items onto a parent to tidy up in editor mode - completely ignored in release
GameObject go = Instantiate(def.prefab, (tidyUpInEditorMode) ? tidyUpParent : null);
#else
GameObject go = Instantiate(def.prefab);
#endif
AddItemToPool(go, _prefab, def);
}
}
private static void AddItemToPool(GameObject go, GameObject _prefab, PoolItemDef def)
{
go.SetActive(false);
//Precache some stuff so this pool get later doesn't require any GetComponent calls.
Pool p = go.AddComponent <Pool>();
p.CacheComponents();
// Add the scrpitToAdd if it doesn't already exist
if (def.scriptToAdd != null && go.GetComponent(def.scriptToAdd) == null)
{
p.extraScript = go.AddComponent(def.scriptToAdd);
}
p.origPrefab = _prefab;
// Add this new instance to the pool
pools[_prefab].Push(p);
}
private static void GrowPool(GameObject _prefab, int growAmt = -1)
{
#if UNITY_EDITOR
// put pooled items onto a parent to tidy up in editor mode - completely ignored in release
if (tidyUpInEditorMode && !tidyUpParent)
{
tidyUpParent = new GameObject("Pool Items (Editor Only)").transform;
}
#endif
PoolItemDef def = poolItemDefs[_prefab];
// Grow by the amount originally specified if no growAmt is given.
int growby = (growAmt < 1) ? def.growBy : growAmt;
for (int i = 0; i < growby; i++)
{
#if UNITY_EDITOR
// put pooled items onto a parent to tidy up in editor mode - completely ignored in release
GameObject go = Instantiate(def.prefab, (tidyUpInEditorMode) ? tidyUpParent : null);
#else
GameObject go = Instantiate(def.prefab);
#endif
go.SetActive(false);
//Precache some stuff so this pool get later doesn't require any GetComponent calls.
Pool p = go.AddComponent <Pool>();
p.CacheComponents();
// Add the scrpitToAdd if it doesn't already exist
if (def.scriptToAdd != null && go.GetComponent(def.scriptToAdd) == null)
{
p.extraScript = go.AddComponent(def.scriptToAdd);
}
p.origPrefab = _prefab;
// Add this new instance to the pool
pools[_prefab].Push(p);
}
}
public static void GrowPool(int poolIndex)
{
for (int i = 0; i < poolItemDefs[poolIndex].growBy; i++)
{
PoolItemDef pt = poolItemDefs[poolIndex];
GameObject go = Instantiate(pt.prefab);
go.SetActive(false);
Pool p = go.AddComponent <Pool>();
// Add the scrpitToAdd if it doesn't already exist
if (pt.scriptToAdd != null && go.GetComponent(pt.scriptToAdd) == null)
{
go.AddComponent(pt.scriptToAdd);
}
p.poolIndex = poolIndex;
pools[poolIndex].Push(p);
}
}
