You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
/*
|
|
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
|
|
* its licensors.
|
|
*
|
|
* For complete copyright and license terms please see the LICENSE at the root of this
|
|
* distribution (the "License"). All use of this software is governed by the License,
|
|
* or, if provided, by the license below or the license accompanying this file. Do not
|
|
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#include <CrySizer.h>
|
|
#include <CryPodArray.h>
|
|
|
|
template <class T>
|
|
class TPool
|
|
{
|
|
public:
|
|
|
|
TPool(int nPoolSize)
|
|
{
|
|
m_nPoolSize = nPoolSize;
|
|
m_pPool = new T[nPoolSize];
|
|
m_lstFree.PreAllocate(nPoolSize, 0);
|
|
m_lstUsed.PreAllocate(nPoolSize, 0);
|
|
for (int i = 0; i < nPoolSize; i++)
|
|
{
|
|
m_lstFree.Add(&m_pPool[i]);
|
|
}
|
|
}
|
|
|
|
~TPool()
|
|
{
|
|
delete[] m_pPool;
|
|
}
|
|
|
|
void ReleaseObject(T* pInst)
|
|
{
|
|
if (m_lstUsed.Delete(pInst))
|
|
{
|
|
m_lstFree.Add(pInst);
|
|
}
|
|
}
|
|
|
|
int GetUsedInstancesCount(int& nAll)
|
|
{
|
|
nAll = m_nPoolSize;
|
|
return m_lstUsed.Count();
|
|
}
|
|
|
|
T* GetObject()
|
|
{
|
|
T* pInst = NULL;
|
|
if (m_lstFree.Count())
|
|
{
|
|
pInst = m_lstFree.Last();
|
|
m_lstFree.DeleteLast();
|
|
m_lstUsed.Add(pInst);
|
|
}
|
|
else
|
|
{
|
|
assert(!"TPool::GetObject: Out of free elements error");
|
|
}
|
|
|
|
return pInst;
|
|
}
|
|
|
|
void GetMemoryUsage(class ICrySizer* pSizer) const
|
|
{
|
|
pSizer->AddObject(m_lstFree);
|
|
pSizer->AddObject(m_lstUsed);
|
|
|
|
if (m_pPool)
|
|
{
|
|
for (int i = 0; i < m_nPoolSize; i++)
|
|
{
|
|
m_pPool[i].GetMemoryUsage(pSizer);
|
|
}
|
|
}
|
|
}
|
|
|
|
PodArray<T*> m_lstFree;
|
|
PodArray<T*> m_lstUsed;
|
|
T* m_pPool;
|
|
int m_nPoolSize;
|
|
};
|