Engine::~Engine()
{
m_Game.reset();
m_GuiManager.reset();
m_Renderer.reset();
m_RenderUtility.reset();
if(m_GameLib != nullptr)
{
UnloadLib(m_GameLib);
m_GameLib = nullptr;
}
if(m_GuiLib != nullptr)
{
UnloadLib(m_GuiLib);
m_GuiLib = nullptr;
}
if(m_RenderLib != nullptr)
{
UnloadLib(m_RenderLib);
m_RenderLib = nullptr;
}
}
void WebEmberLinker::unlink()
{
boost::mutex::scoped_lock lck(mUnloadLibraryMutex);
if (mModuleHandle) {
UnloadLib(mModuleHandle);
mModuleHandle = 0;
}
}
int WebEmberLinker::link(const char* prefix)
{
assert(!mModuleHandle);
std::string libdir(prefix);
#ifdef _WIN32
if(!libdir.empty()) {
#if defined(_DEBUG) && defined(SEPARATE_BUILDS)
//In msvc I prefer to separate release/debug builds to prevent mixing the runtime.
//Set SEPARATE_BUILDS to enable this feature.
libdir += "\\bin_d";
#else
libdir += "\\bin";
#endif
SetDllDirectoryA(libdir.c_str());
SetCurrentDirectoryA(libdir.c_str());
libdir += "\\";
}
//normally the browsers are disabling verbose popup messages from the OS on errors,
//but to get more info on what is the missing DLL when linking recursively, we need to enable this.
UINT browserErrorMode = GetErrorMode();
SetErrorMode(0);
#else
if (!libdir.empty()) {
libdir += "/lib/";
}
#endif
std::string libfile(libdir + sLibName);
FBLOG_INFO("WebEmberLinker::runEmber", "Loading library: " << libfile);
//Loads the specified module into the address space of the calling process.
mModuleHandle = LoadLib(libfile.c_str());
if (mModuleHandle == NULL) {
#ifndef _WIN32
FBLOG_ERROR("WebEmberLinker::runEmber", "dlerror: " << dlerror());
#endif
FBLOG_ERROR("WebEmberLinker::runEmber", "Unable to load " << libfile);
return 1;
}
//Retrieves the address of an exported function or variable from the specified DLL.
pStartWebEmber = (funcTypeStart)GetFunction(mModuleHandle, sFuncNameStart);
if (pStartWebEmber == NULL) {
#ifndef _WIN32
FBLOG_ERROR("WebEmberLinker::runEmber", "dlerror: " << dlerror());
#endif
FBLOG_ERROR("WebEmberLinker::runEmber", "Unable to load function " << sFuncNameStart << " in " << libfile);
UnloadLib(mModuleHandle);
return 2;
}
//same as above
pQuitWebEmber = (funcTypeQuit)GetFunction(mModuleHandle, sFuncNameQuit);
if (pQuitWebEmber == NULL) {
#ifndef _WIN32
FBLOG_ERROR("WebEmberLinker::runEmber", "dlerror: " << dlerror());
#endif
FBLOG_ERROR("WebEmberLinker::runEmber", "Unable to load function " << sFuncNameQuit << " in " << libfile);
UnloadLib(mModuleHandle);
return 3;
}
#ifdef _WIN32
//SetErrorMode of the process back to the original.
SetErrorMode(browserErrorMode);
#endif
return 0;
}
Library::~Library() {
m_Stream.close();
if (m_Loaded) {
UnloadLib(m_LibHandle);
}
}
