public void GetObjectFromPool()
{
if (ObjectList == null)
{
return;
}
Vector3 pos = new Vector3();
pos.x = Random.Range(-5, 6);
pos.y = 0f;
pos.z = Random.Range(-5, 6);
PoolObject po = PoolManager.Instance.GetObjectFromPool(poolName, pos, Quaternion.identity);
if (po)
{
ObjectList.Add(po);
}
}
/// <summary>
/// 将指定对象返回池中，复杂度o(1)
/// </summary>
/// <param name="po"></param>
public void ReturnObjectToPool(PoolObject po)
{
if (poolName.Equals(po.PoolName))
{
// We could have used availableObjStack.Contains(po) to check if this object is in pool.
// While that would have been more robust, it would have made this method O(n)
if (po.IsPooled)
{
Debug.LogWarning(po.gameObject.name + " is already in pool. Why are you trying to return it again? Check usage.");
}
else
{
AddObjectToPool(po);
}
}
else
{
Debug.LogError(string.Format("Trying to add object to incorrect pool {0} {1}", po.PoolName, poolName));
}
}
public void ReturnObjectToPool(PoolObject po)
{
//PoolObject po = go.GetComponent<PoolObject>();
if (po == null)
{
Debug.LogWarning("Specified object is not a pooled instance: " + po.name);
}
else
{
if (poolMap.ContainsKey(po.PoolName))
{
Pool pool = poolMap[po.PoolName];
pool.ReturnObjectToPool(po);
}
else
{
Debug.LogWarning("No pool available with name: " + po.PoolName);
}
}
}
/// <summary>
/// null in case the pool does not have any object available & can grow size is false.
/// </summary>
/// <param name="poolName">name</param>
/// <param name="position">position</param>
/// <param name="rotation">rotation</param>
/// <returns></returns>
public PoolObject GetObjectFromPool(string poolName, Vector3 position, Quaternion rotation)
{
//GameObject result = null;
PoolObject result = null;
if (poolMap.ContainsKey(poolName))
{
Pool pool = poolMap[poolName];
result = pool.NextAvailableObject(position, rotation);
//scenario when no available object is found in pool
if (result == null)
{
Debug.LogWarning("No object available in pool. Consider setting fixedSize to false.: " + poolName);
}
}
else
{
Debug.LogError("Invalid pool name specified: " + poolName);
}
return(result);
}
//o(1)
/// <summary>
/// 获取一个池中可用对象，如池中已无可用对象，则新建一个对象实例
/// </summary>
/// <param name="position"></param>
/// <param name="rotation"></param>
/// <returns></returns>
public GameObject NextAvailableObject(Vector3 position, Quaternion rotation)
{
PoolObject po = null;
//池中有可用对象，直接从池中取
if (availableObjStack.Count > 0)
{
po = availableObjStack.Pop();
}
//池中已无可用对象，new一个
else if (fixedSize == false)
{
//increment size var, this is for info purpose only
poolSize++;
Debug.Log(string.Format("Growing pool {0}. New size: {1}", poolName, poolSize));
//create new object
po = NewObjectInstance();
}
else
{
Debug.LogWarning("No object available & cannot grow pool: " + poolName);
}
//设置对象的行为
GameObject result = null;
if (po != null)
{
po.IsPooled = false;
result = po.gameObject;
result.SetActive(true);
result.transform.position = position;
result.transform.rotation = rotation;
}
return(result);
}
//o(1)
/// <summary>
/// Get an available object in the pool, if there is no available object in the pool, create a new object instance
/// </summary>
/// <param name="position"></param>
/// <param name="rotation"></param>
/// <returns></returns>
public PoolObject NextAvailableObject(Vector3 position, Quaternion rotation)
{
PoolObject po = null;
//There are available objects in the pool, directly fetch from the pool
if (availableObjStack.Count > 0)
{
po = availableObjStack.Pop();
}
//There are no objects available in the pool, new one
else if (fixedSize == false)
{
//increment size var, this is for info purpose only
poolSize++;
Debug.Log(string.Format("Growing pool {0}. New size: {1}", poolName, poolSize));
//create new object
po = NewObjectInstance();
}
else
{
Debug.LogWarning("No object available & cannot grow pool: " + poolName);
}
//Set the behavior of the object
GameObject result = null;
if (po != null)
{
po.IsPooled = false;
result = po.gameObject;
result.SetActive(true);
result.transform.position = position;
result.transform.rotation = rotation;
}
return(po);
}