/// <summary>
/// 获取对象池中可以使用的对象。
/// </summary>
public GameObjectPoolable Allocate()
{
for (int i = 0; i < pooledObjects.Count; ++i)
{
//每一次遍历都是从上一次被使用的对象的下一个
int Item = (currentIndex + i) % pooledObjects.Count;
if (pooledObjects[Item].IsRecycled)
{
currentIndex = (Item + 1) % pooledObjects.Count;
//返回第一个未激活的对象
pooledObjects[Item].IsRecycled = false;
return(pooledObjects[Item]);
}
}
//如果遍历完一遍对象库发现没有闲置对象且对象池未达到数量限制
if (CurrentCount < maxCount)
{
GameObjectPoolable info = Create(template);
info.IsRecycled = false;
return(info);
}
return(null);
}
/// <summary>
/// 回收
/// </summary>
public bool Recycle(GameObjectPoolable poolObj)
{
if (poolObj == null || poolObj.IsRecycled)
{
return(false);
}
poolObj.OnRecycled();
return(true);
}
/// <summary>
/// 为对象池新增一个对象
/// </summary>
private GameObjectPoolable Create(GameObject template, bool isShow = true)
{
GameObjectPoolable info = new GameObjectPoolable(GameObject.Instantiate(template, objParent));
pooledObjects.Add(info);
if (!isShow)
{
info.obj.SetActive(false);
}
return(info);
}