core, citra_qt: Implement a save states file format and slot UI
10 slots are offered along with 'Save to Oldest Slot' and 'Load from Newest Slot'. The savestate format is similar to the movie file format. It is called CST (Citra SavesTate), and is basically a 0x100 byte header (consisting of magic, revision, creation time and title ID) followed by Zstd compressed raw savestate data. The savestate files are saved to the `states` folder in Citra's user folder. The files are named like `<Title ID>.<Slot ID>.cst`.
This commit is contained in:
zhupengfei
parent
7d880f94db
commit
a487016cb4
11 changed files with 384 additions and 77 deletions
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@ -79,6 +79,7 @@
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#include "core/hle/service/nfc/nfc.h"
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#include "core/loader/loader.h"
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#include "core/movie.h"
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#include "core/savestate.h"
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#include "core/settings.h"
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#include "game_list_p.h"
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#include "video_core/renderer_base.h"
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@ -166,6 +167,7 @@ GMainWindow::GMainWindow() : config(new Config()), emu_thread(nullptr) {
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InitializeWidgets();
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InitializeDebugWidgets();
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InitializeRecentFileMenuActions();
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InitializeSaveStateMenuActions();
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InitializeHotkeys();
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ShowUpdaterWidgets();
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@ -383,6 +385,32 @@ void GMainWindow::InitializeRecentFileMenuActions() {
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UpdateRecentFiles();
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}
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void GMainWindow::InitializeSaveStateMenuActions() {
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for (u32 i = 0; i < Core::SaveStateSlotCount; ++i) {
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actions_load_state[i] = new QAction(this);
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actions_load_state[i]->setData(i + 1);
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connect(actions_load_state[i], &QAction::triggered, this, &GMainWindow::OnLoadState);
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ui.menu_Load_State->addAction(actions_load_state[i]);
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actions_save_state[i] = new QAction(this);
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actions_save_state[i]->setData(i + 1);
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connect(actions_save_state[i], &QAction::triggered, this, &GMainWindow::OnSaveState);
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ui.menu_Save_State->addAction(actions_save_state[i]);
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}
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connect(ui.action_Load_from_Newest_Slot, &QAction::triggered,
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[this] { actions_load_state[newest_slot - 1]->trigger(); });
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connect(ui.action_Save_to_Oldest_Slot, &QAction::triggered,
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[this] { actions_save_state[oldest_slot - 1]->trigger(); });
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connect(ui.menu_Load_State->menuAction(), &QAction::hovered, this,
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&GMainWindow::UpdateSaveStates);
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connect(ui.menu_Save_State->menuAction(), &QAction::hovered, this,
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&GMainWindow::UpdateSaveStates);
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UpdateSaveStates();
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}
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void GMainWindow::InitializeHotkeys() {
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hotkey_registry.LoadHotkeys();
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@ -607,8 +635,6 @@ void GMainWindow::ConnectMenuEvents() {
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&GMainWindow::OnMenuReportCompatibility);
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connect(ui.action_Configure, &QAction::triggered, this, &GMainWindow::OnConfigure);
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connect(ui.action_Cheats, &QAction::triggered, this, &GMainWindow::OnCheats);
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connect(ui.action_Save, &QAction::triggered, this, &GMainWindow::OnSave);
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connect(ui.action_Load, &QAction::triggered, this, &GMainWindow::OnLoad);
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// View
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connect(ui.action_Single_Window_Mode, &QAction::triggered, this,
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@ -1036,8 +1062,6 @@ void GMainWindow::ShutdownGame() {
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ui.action_Stop->setEnabled(false);
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ui.action_Restart->setEnabled(false);
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ui.action_Cheats->setEnabled(false);
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ui.action_Save->setEnabled(false);
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ui.action_Load->setEnabled(false);
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ui.action_Load_Amiibo->setEnabled(false);
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ui.action_Remove_Amiibo->setEnabled(false);
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ui.action_Report_Compatibility->setEnabled(false);
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@ -1061,6 +1085,8 @@ void GMainWindow::ShutdownGame() {
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game_fps_label->setVisible(false);
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emu_frametime_label->setVisible(false);
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UpdateSaveStates();
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emulation_running = false;
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if (defer_update_prompt) {
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@ -1107,6 +1133,62 @@ void GMainWindow::UpdateRecentFiles() {
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ui.menu_recent_files->setEnabled(num_recent_files != 0);
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}
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void GMainWindow::UpdateSaveStates() {
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if (!Core::System::GetInstance().IsPoweredOn()) {
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ui.menu_Load_State->setEnabled(false);
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ui.menu_Save_State->setEnabled(false);
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return;
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}
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ui.menu_Load_State->setEnabled(true);
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ui.menu_Save_State->setEnabled(true);
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ui.action_Load_from_Newest_Slot->setEnabled(false);
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oldest_slot = newest_slot = 0;
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oldest_slot_time = std::numeric_limits<u64>::max();
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newest_slot_time = 0;
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u64 title_id;
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if (Core::System::GetInstance().GetAppLoader().ReadProgramId(title_id) !=
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Loader::ResultStatus::Success) {
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return;
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}
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auto savestates = Core::ListSaveStates(title_id);
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for (u32 i = 0; i < Core::SaveStateSlotCount; ++i) {
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actions_load_state[i]->setEnabled(false);
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actions_load_state[i]->setText(tr("Slot %1").arg(i + 1));
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actions_save_state[i]->setText(tr("Slot %1").arg(i + 1));
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}
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for (const auto& savestate : savestates) {
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const auto text = tr("Slot %1 - %2")
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.arg(savestate.slot)
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.arg(QDateTime::fromSecsSinceEpoch(savestate.time)
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.toString(QStringLiteral("yyyy-MM-dd hh:mm:ss")));
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actions_load_state[savestate.slot - 1]->setEnabled(true);
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actions_load_state[savestate.slot - 1]->setText(text);
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actions_save_state[savestate.slot - 1]->setText(text);
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ui.action_Load_from_Newest_Slot->setEnabled(true);
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if (savestate.time > newest_slot_time) {
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newest_slot = savestate.slot;
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newest_slot_time = savestate.time;
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}
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if (savestate.time < oldest_slot_time) {
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oldest_slot = savestate.slot;
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oldest_slot_time = savestate.time;
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}
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}
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for (u32 i = 0; i < Core::SaveStateSlotCount; ++i) {
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if (!actions_load_state[i]->isEnabled()) {
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// Prefer empty slot
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oldest_slot = i + 1;
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oldest_slot_time = 0;
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break;
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}
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}
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}
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void GMainWindow::OnGameListLoadFile(QString game_path) {
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BootGame(game_path);
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}
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@ -1348,14 +1430,14 @@ void GMainWindow::OnStartGame() {
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ui.action_Stop->setEnabled(true);
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ui.action_Restart->setEnabled(true);
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ui.action_Cheats->setEnabled(true);
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ui.action_Save->setEnabled(true);
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ui.action_Load->setEnabled(true);
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ui.action_Load_Amiibo->setEnabled(true);
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ui.action_Report_Compatibility->setEnabled(true);
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ui.action_Enable_Frame_Advancing->setEnabled(true);
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ui.action_Capture_Screenshot->setEnabled(true);
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discord_rpc->Update();
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UpdateSaveStates();
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}
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void GMainWindow::OnPauseGame() {
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@ -1503,14 +1585,19 @@ void GMainWindow::OnCheats() {
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cheat_dialog.exec();
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}
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void GMainWindow::OnSave() {
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Core::System::GetInstance().SendSignal(Core::System::Signal::Save);
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void GMainWindow::OnSaveState() {
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QAction* action = qobject_cast<QAction*>(sender());
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assert(action);
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Core::System::GetInstance().SendSignal(Core::System::Signal::Save, action->data().toUInt());
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UpdateSaveStates();
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}
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void GMainWindow::OnLoad() {
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if (QFileInfo("save0.citrasave").exists()) {
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Core::System::GetInstance().SendSignal(Core::System::Signal::Load);
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}
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void GMainWindow::OnLoadState() {
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QAction* action = qobject_cast<QAction*>(sender());
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assert(action);
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Core::System::GetInstance().SendSignal(Core::System::Signal::Load, action->data().toUInt());
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}
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void GMainWindow::OnConfigure() {
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