IResourceSet * IResourceSet::CreateResourceSetFromFile(LPCTSTR lpszFile)
{
CPackResourceSet * pResource = new CPackResourceSet();
pResource->Open(lpszFile);
return pResource;
}
bool CResourceFileSystem::Open( LPCTSTR lpszPackFolder )
{
tstring folderPath = lpszPackFolder;
tstring::iterator lastChar = folderPath.end();
--lastChar;
if ( *lastChar != TEXT('/') && *lastChar != TEXT('\\') )
{
folderPath += TEXT("\\");
}
tstring condition = folderPath + TEXT("*.pack");
WIN32_FIND_DATA ffd;
HANDLE hFind;
typedef map<tstring, shared_ptr<IResource> > ResourceMap;
ResourceMap resourceMap;
hFind = ::FindFirstFile(condition.c_str(), &ffd);
if (hFind != INVALID_HANDLE_VALUE)
{
do
{
// 非文件夹
if ( (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
{
tstring fullPath = folderPath + ffd.cFileName;
CPackResourceSet resourceSet;
if (resourceSet.Open(fullPath.c_str()))
{
for (vector<shared_ptr<IResource>>::iterator iter = resourceSet.m_Resources.begin(); iter != resourceSet.m_Resources.end(); ++iter)
{
// 和本地比较版本，保留高版本的
ResourceMap::iterator iter2 = resourceMap.find((*iter)->GetName());
if (iter2 != resourceMap.end())
{
shared_ptr<IResource> spResourceOld = iter2->second;
if (spResourceOld->GetVersion() >= (*iter)->GetVersion())
{
continue;
}
}
resourceMap[(*iter)->GetName()] = (*iter);
}
}
}
}
while (::FindNextFile(hFind, &ffd) != 0);
::FindClose(hFind);
}
if (resourceMap.size() > 0)
{
m_Resources.clear();
for (ResourceMap::iterator iter = resourceMap.begin(); iter != resourceMap.end(); ++iter)
{
m_Resources.push_back( iter->second );
}
sort(m_Resources.begin(), m_Resources.end(), ResourceGreater());
return true;
}
else
{
return false;
}
}