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Frontend: Support loading state while powered off

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This commit is contained in:
Connor McLaughlin
2019-10-21 00:38:04 +10:00
parent 1b8b730f85
commit 6c73dc6efb
3 changed files with 58 additions and 49 deletions
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60
src/duckstation/sdl_interface.cpp
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@ -193,7 +193,30 @@ bool SDLInterface::CreateAudioStream()
return true;
}
std::unique_ptr<SDLInterface> SDLInterface::Create()
bool SDLInterface::InitializeSystem(const char* filename, const char* exp1_filename)
{
if (!HostInterface::InitializeSystem(filename, exp1_filename))
{
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "System initialization failed.", m_window);
return false;
}
ConnectDevices();
return true;
}
void SDLInterface::ConnectDevices()
{
m_controller = DigitalController::Create();
m_system->SetController(0, m_controller);
m_memory_card = MemoryCard::Create();
m_system->SetMemoryCard(0, m_memory_card);
}
std::unique_ptr<SDLInterface> SDLInterface::Create(const char* filename /* = nullptr */,
const char* exp1_filename /* = nullptr */,
const char* save_state_filename /* = nullptr */)
{
std::unique_ptr<SDLInterface> intf = std::make_unique<SDLInterface>();
if (!intf->CreateSDLWindow() || !intf->CreateGLContext() || !intf->CreateImGuiContext() ||
@ -202,6 +225,16 @@ std::unique_ptr<SDLInterface> SDLInterface::Create()
return nullptr;
}
const bool boot = (filename != nullptr || exp1_filename != nullptr || save_state_filename != nullptr);
if (boot)
{
if (!intf->InitializeSystem(filename, exp1_filename))
return nullptr;
if (save_state_filename)
intf->LoadState(save_state_filename);
}
return intf;
}
@ -561,7 +594,7 @@ void SDLInterface::DrawMainMenuBar()
if (ImGui::BeginMenu("Save State"))
{
for (u32 i = 1; i <= 8; i++)
for (u32 i = 1; i <= NUM_QUICK_SAVE_STATES; i++)
{
if (ImGui::MenuItem(TinyString::FromFormat("State %u", i).GetCharArray()))
DoSaveState(i);
@ -842,12 +875,7 @@ void SDLInterface::DoStartDisc()
AddOSDMessage(SmallString::FromFormat("Starting disc from '%s'...", path));
if (!InitializeSystem(path, nullptr))
{
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "System initialization failed.", m_window);
return;
}
ConnectDevices();
}
void SDLInterface::DoStartBIOS()
@ -856,16 +884,14 @@ void SDLInterface::DoStartBIOS()
AddOSDMessage("Starting BIOS...");
if (!InitializeSystem(nullptr, nullptr))
{
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "System initialization failed.", m_window);
return;
}
ConnectDevices();
}
void SDLInterface::DoLoadState(u32 index)
{
if (!HasSystem() && !InitializeSystem(nullptr, nullptr))
return;
LoadState(GetSaveStateFilename(index));
m_last_frame_number = m_system->GetFrameNumber();
m_last_internal_frame_number = m_system->GetInternalFrameNumber();
@ -875,18 +901,10 @@ void SDLInterface::DoLoadState(u32 index)
void SDLInterface::DoSaveState(u32 index)
{
Assert(m_system);
SaveState(GetSaveStateFilename(index));
}
void SDLInterface::ConnectDevices()
{
m_controller = DigitalController::Create();
m_system->SetController(0, m_controller);
m_memory_card = MemoryCard::Create();
m_system->SetMemoryCard(0, m_memory_card);
}
void SDLInterface::Run()
{
m_audio_stream->PauseOutput(false);