private PoolObjectSetting addPoolObjectSetting(GameObject objType)
{
if (_dynamicPool == null)
{
_dynamicPool = new GameObject("DynamicPool");
_dynamicPool.transform.parent = transform;
_dynamicPool.transform.localPosition = Vector3.zero;
}
var templateObject = Instantiate(objType);
templateObject.name = objType.name;
templateObject.SetActive(false);
templateObject.transform.parent = _dynamicPool.transform;
PoolObjectSetting setting = new PoolObjectSetting();
setting.Prefab = templateObject;
setting.MaxSize = 0;
setting.InitSize = 0;
// _dynamicPoolSettings.Add (setting);
_poolSettings.Add(objType.name, setting);
return(setting);
}
// 获取类型的对象池设定
private PoolObjectSetting getPoolObjectSettingByName(string name)
{
PoolObjectSetting setting = null;
// if(PoolSettings!=null && PoolSettings.Length>0)
// {
// foreach(var ps in PoolSettings)
// {
// if(ps.Prefab.name == name)
// {
// setting = ps;
// break;
// }
// }
// }
//
// if(setting==null)
// {
// foreach(var ps in _dynamicPoolSettings)
// {
// if(ps.Prefab.name == name)
// {
// setting = ps;
// break;
// }
// }
// }
_poolSettings.TryGetValue(name, out setting);
return(setting);
}
// 返回对象到对象池 （从其父节点移除，并设置active为false）
// 若该对象没有配置对象池或者超出配额，则直接删除
public bool ReturnToPool(GameObject obj)
{
if (obj == null)
{
return(false);
}
obj.SetActive(false);
// Instantiate 产生的对象，名字自带 (clone) 后缀
PoolObjectSetting setting = getPoolObjectSettingByName(obj.name);
if (setting == null)
{
Destroy(obj);
return(false);
}
bool pooled = false;
string poolKey = obj.name;
LinkedList <GameObject> objList = getObjectList(poolKey);
Debug.AssertFormat(objList != null, "!![ObjectPool] null object list for type: {0}", poolKey);
if (_currentSize < MaxSize && (setting.MaxSize <= 0 || objList.Count < setting.MaxSize))
{
obj.transform.parent = gameObject.transform;
obj.SetActive(false);
// #if UNITY_EDITOR
// // 编辑器测试时，检测是否有重复
// bool exist = objList.Find(obj)!=null;
// Debug.AssertFormat(!exist, "!![Object: {0}] already exist in pool", obj.name);
// if(exist)
// {
// Debug.Log("ERROR");
// exist = false;
// }
// #endif
objList.AddLast(obj);
pooled = true;
_currentSize++;
}
else
{
Destroy(obj);
pooled = false;
}
return(pooled);
}
// 根据Prefab类型获取对应的对象
// 如果该对象有对象池设定，则从对象池中获取
// 否则，直接创建一个新对象
public GameObject GetPooledObject(GameObject objType, bool addToPool)
{
PoolObjectSetting setting = getPoolObjectSettingByName(objType.name);
if (setting == null)
{
if (!addToPool)
{
return(Instantiate(objType) as GameObject);
}
else
{
// 动态添加该类型到对象池
setting = addPoolObjectSetting(objType);
}
}
string poolKey = objType.name;
GameObject obj = null;
LinkedList <GameObject> objList = getObjectList(poolKey);
Debug.AssertFormat(objList != null, "!![ObjectPool] null object list for type: {0}", poolKey);
if (objList.Count > 0)
{
do
{
obj = objList.Last.Value;
objList.RemoveLast();
_currentSize--;
Debug.AssertFormat(obj != null, "!![ObjectPool] null object in pool, type: {0}", poolKey);
if (obj == null)
{
Debug.LogError("Null Object in Pool: " + poolKey);
}
if (objList.Count <= 0)
{
break;
}
} while(obj == null);
}
if (obj != null)
{
// 先激活再修改状态，否则Animator无法使用
obj.SetActive(true);
// Detaches the transform from its parent.
obj.transform.parent = null;
}
else
{
obj = Instantiate(objType) as GameObject;
obj.name = objType.name; // 去除 clone 后缀
}
return(obj);
}
