bool BeginAtlas(const CmdLineArgs& args, const DllLoader& dll)
{
// Load required symbols from the DLL
try
{
dll.LoadSymbol("Atlas_StartWindow", Atlas_StartWindow);
dll.LoadSymbol("Atlas_SetMessagePasser", Atlas_SetMessagePasser);
dll.LoadSymbol("Atlas_SetDataDirectory", Atlas_SetDataDirectory);
dll.LoadSymbol("Atlas_SetConfigDirectory", Atlas_SetConfigDirectory);
dll.LoadSymbol("Atlas_GLSetCurrent", Atlas_GLSetCurrent);
dll.LoadSymbol("Atlas_GLSwapBuffers", Atlas_GLSwapBuffers);
dll.LoadSymbol("Atlas_NotifyEndOfFrame", Atlas_NotifyEndOfFrame);
dll.LoadSymbol("Atlas_DisplayError", Atlas_DisplayError);
dll.LoadSymbol("Atlas_ReportError", Atlas_ReportError);
dll.LoadSymbol("ShareableMalloc", ShareableMallocFptr);
dll.LoadSymbol("ShareableFree", ShareableFreeFptr);
}
catch (PSERROR_DllLoader&)
{
debug_warn(L"Failed to initialise DLL");
return false;
}
// Construct a message passer for communicating with Atlas
// (here so that its scope lasts beyond the game thread)
MessagePasserImpl msgPasser;
AtlasMessage::g_MessagePasser = &msgPasser;
// Pass our message handler to Atlas
Atlas_SetMessagePasser(&msgPasser);
// Tell Atlas the location of the data directory
const Paths paths(args);
Atlas_SetDataDirectory(paths.RData().string().c_str());
// Tell Atlas the location of the user config directory
Atlas_SetConfigDirectory(paths.Config().string().c_str());
// Run the engine loop in a new thread
pthread_t engineThread;
pthread_create(&engineThread, NULL, RunEngine, reinterpret_cast<void*>(const_cast<CmdLineArgs*>(&args)));
// Start Atlas UI on main thread
// (required for wxOSX/Cocoa compatibility - see http://trac.wildfiregames.com/ticket/500)
Atlas_StartWindow(L"ScenarioEditor");
// Wait for the engine to exit
pthread_join(engineThread, NULL);
// TODO: delete all remaining messages, to avoid memory leak warnings
// Restore main thread
ThreadUtil::SetMainThread();
// Clean up
AtlasView::DestroyViews();
AtlasMessage::g_MessagePasser = NULL;
return true;
}
bool TryLoadDLL()
{
if (!dll.LoadDLL())
{
LOGERROR("Failed to load COLLADA conversion DLL");
return false;
}
try
{
dll.LoadSymbol("set_logger", set_logger);
dll.LoadSymbol("set_skeleton_definitions", set_skeleton_definitions);
dll.LoadSymbol("convert_dae_to_pmd", convert_dae_to_pmd);
dll.LoadSymbol("convert_dae_to_psa", convert_dae_to_psa);
}
catch (PSERROR_DllLoader&)
{
LOGERROR("Failed to load symbols from COLLADA conversion DLL");
dll.Unload();
return false;
}
return true;
}
bool Convert(const VfsPath& daeFilename, const VfsPath& pmdFilename, CColladaManager::FileType type)
{
// To avoid always loading the DLL when it's usually not going to be
// used (and to do the same on Linux where delay-loading won't help),
// and to avoid compile-time dependencies (because it's a minor pain
// to get all the right libraries to build the COLLADA DLL), we load
// it dynamically when it is required, instead of using the exported
// functions and binding at link-time.
if (! dll.IsLoaded())
{
if (! dll.LoadDLL())
{
LOGERROR(L"Failed to load COLLADA conversion DLL");
return false;
}
try
{
dll.LoadSymbol("set_logger", set_logger);
dll.LoadSymbol("set_skeleton_definitions", set_skeleton_definitions);
dll.LoadSymbol("convert_dae_to_pmd", convert_dae_to_pmd);
dll.LoadSymbol("convert_dae_to_psa", convert_dae_to_psa);
}
catch (PSERROR_DllLoader&)
{
LOGERROR(L"Failed to load symbols from COLLADA conversion DLL");
dll.Unload();
return false;
}
VfsPath skeletonPath("art/skeletons/skeletons.xml");
// Set the filename for the logger to report
set_logger(ColladaLog, static_cast<void*>(&skeletonPath));
CVFSFile skeletonFile;
if (skeletonFile.Load(g_VFS, skeletonPath) != PSRETURN_OK)
{
LOGERROR(L"Failed to read skeleton definitions");
dll.Unload();
return false;
}
int ok = set_skeleton_definitions((const char*)skeletonFile.GetBuffer(), (int)skeletonFile.GetBufferSize());
if (ok < 0)
{
LOGERROR(L"Failed to load skeleton definitions");
dll.Unload();
return false;
}
// TODO: the cached PMD/PSA files should probably be invalidated when
// the skeleton definition file is changed, else people will get confused
// as to why it's not picking up their changes
}
// Set the filename for the logger to report
set_logger(ColladaLog, const_cast<void*>(static_cast<const void*>(&daeFilename)));
// We need to null-terminate the buffer, so do it (possibly inefficiently)
// by converting to a CStr
CStr daeData;
{
CVFSFile daeFile;
if (daeFile.Load(g_VFS, daeFilename) != PSRETURN_OK)
return false;
daeData = daeFile.GetAsString();
}
// Do the conversion into a memory buffer
WriteBuffer writeBuffer;
switch (type)
{
case CColladaManager::PMD: convert_dae_to_pmd(daeData.c_str(), ColladaOutput, &writeBuffer); break;
case CColladaManager::PSA: convert_dae_to_psa(daeData.c_str(), ColladaOutput, &writeBuffer); break;
}
// don't create zero-length files (as happens in test_invalid_dae when
// we deliberately pass invalid XML data) because the VFS caching
// logic warns when asked to load such.
if (writeBuffer.Size())
{
Status ret = g_VFS->CreateFile(pmdFilename, writeBuffer.Data(), writeBuffer.Size());
ENSURE(ret == INFO::OK);
}
return true;
}
bool BeginAtlas(const CmdLineArgs& args, const DllLoader& dll)
{
// Load required symbols from the DLL
try
{
dll.LoadSymbol("Atlas_StartWindow", Atlas_StartWindow);
dll.LoadSymbol("Atlas_SetMessagePasser", Atlas_SetMessagePasser);
dll.LoadSymbol("Atlas_SetDataDirectory", Atlas_SetDataDirectory);
dll.LoadSymbol("Atlas_GLSetCurrent", Atlas_GLSetCurrent);
dll.LoadSymbol("Atlas_GLSwapBuffers", Atlas_GLSwapBuffers);
dll.LoadSymbol("Atlas_NotifyEndOfFrame", Atlas_NotifyEndOfFrame);
dll.LoadSymbol("Atlas_DisplayError", Atlas_DisplayError);
dll.LoadSymbol("Atlas_ReportError", Atlas_ReportError);
dll.LoadSymbol("ShareableMalloc", ShareableMallocFptr);
dll.LoadSymbol("ShareableFree", ShareableFreeFptr);
}
catch (PSERROR_DllLoader&)
{
debug_warn(L"Failed to initialise DLL");
return false;
}
// Construct a message passer for communicating with Atlas
MessagePasserImpl msgPasser;
AtlasMessage::g_MessagePasser = &msgPasser;
// Pass our message handler to Atlas
Atlas_SetMessagePasser(&msgPasser);
// Tell Atlas the location of the data directory
const Paths paths(args);
Atlas_SetDataDirectory(paths.RData().string().c_str());
// Register all the handlers for message which might be passed back
RegisterHandlers();
// Create a new thread, and launch the Atlas window inside that thread
const wchar_t* windowName = FindWindowName(args);
pthread_t uiThread;
pthread_create(&uiThread, NULL, LaunchWindow, reinterpret_cast<void*>(const_cast<wchar_t*>(windowName)));
// Override ah_display_error to pass all errors to the Atlas UI
AppHooks hooks = {0};
hooks.display_error = AtlasDisplayError;
app_hooks_update(&hooks);
// Disable the game's cursor rendering
extern CStrW g_CursorName;
g_CursorName = L"";
state.args = args;
state.running = true;
state.view = View::GetView_None();
state.glCanvas = NULL;
double last_activity = timer_Time();
while (state.running)
{
bool recent_activity = false;
//////////////////////////////////////////////////////////////////////////
// (TODO: Work out why these things have to be in this order (to avoid
// jumps when starting to move, etc))
// Calculate frame length
{
double time = timer_Time();
static double last_time = time;
float length = (float)(time-last_time);
last_time = time;
ENSURE(length >= 0.0f);
// TODO: filter out big jumps, e.g. when having done a lot of slow
// processing in the last frame
state.frameLength = length;
}
// Process the input that was received in the past
if (g_Input.ProcessInput(&state))
recent_activity = true;
//////////////////////////////////////////////////////////////////////////
{
IMessage* msg;
while ((msg = msgPasser.Retrieve()) != NULL)
{
recent_activity = true;
std::string name (msg->GetName());
msgHandlers::const_iterator it = GetMsgHandlers().find(name);
if (it != GetMsgHandlers().end())
{
it->second(msg);
}
else
{
debug_warn(L"Unrecognised message");
// CLogger might not be initialised, but this error will be sent
// to the debug output window anyway so people can still see it
LOGERROR(L"Unrecognised message (%hs)", name.c_str());
}
if (msg->GetType() == IMessage::Query)
{
// For queries, we need to notify MessagePasserImpl::Query
// that the query has now been processed.
sem_post((sem_t*) static_cast<QueryMessage*>(msg)->m_Semaphore);
// (msg may have been destructed at this point, so don't use it again)
// It's quite possible that the querier is going to do a tiny
// bit of processing on the query results and then issue another
// query, and repeat lots of times in a loop. To avoid slowing
// that down by rendering between every query, make this
// thread yield now.
SDL_Delay(0);
}
else
{
// For non-queries, we need to delete the object, since we
// took ownership of it.
AtlasMessage::ShareableDelete(msg);
}
}
}
// Exit, if desired
if (! state.running)
break;
//////////////////////////////////////////////////////////////////////////
// Do per-frame processing:
ReloadChangedFiles();
RendererIncrementalLoad();
// Pump SDL events (e.g. hotkeys)
SDL_Event_ ev;
while (SDL_PollEvent(&ev.ev))
in_dispatch_event(&ev);
if (g_GUI)
g_GUI->TickObjects();
state.view->Update(state.frameLength);
state.view->Render();
if (CProfileManager::IsInitialised())
g_Profiler.Frame();
double time = timer_Time();
if (recent_activity)
last_activity = time;
// Be nice to the processor (by sleeping lots) if we're not doing anything
// useful, and nice to the user (by just yielding to other threads) if we are
bool yield = (time - last_activity > 0.5);
// But make sure we aren't doing anything interesting right now, where
// the user wants to see the screen updating even though they're not
// interacting with it
if (state.view->WantsHighFramerate())
yield = false;
if (yield) // if there was no recent activity...
{
double sleepUntil = time + 0.5; // only redraw at 2fps
while (time < sleepUntil)
{
// To minimise latency when the user starts doing stuff, only
// sleep for a short while, then check if anything's happened,
// then go back to sleep
// (TODO: This should probably be done with something like semaphores)
Atlas_NotifyEndOfFrame(); // (TODO: rename to NotifyEndOfQuiteShortProcessingPeriodSoPleaseSendMeNewMessages or something)
SDL_Delay(50);
if (!msgPasser.IsEmpty())
break;
time = timer_Time();
}
}
else
{
Atlas_NotifyEndOfFrame();
SDL_Delay(0);
}
}
// TODO: delete all remaining messages, to avoid memory leak warnings
// Wait for the UI to exit
pthread_join(uiThread, NULL);
// Clean up
View::DestroyViews();
ScriptingHost::FinalShutdown();
return true;
}
