void ResourceManager::unload(ResourcePtr &res)
{
if (res->referCount() > 1)
{
Resource *r = res;
res = nullptr;
if (r->referCount() == 1)
{
// Only one instance is used. It should be deleted.
auto itr = mResourceCache.find(r->getName());
if (itr != mResourceCache.end())
{
// The resource is valid and in the cache.
Resources &resources = itr->second;
if (res->isCloned())
{
// erase cloning resource
resources.erase(r->getCloneID());
}
else
{
// erase original resource
resources.erase(0);
}
}
}
}
else
{
res = nullptr;
}
}
