[gnome-games/wip/exalm/rebrand: 24/102] retro-runner: Merge into Runner
- From: Alexander Mikhaylenko <alexm src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-games/wip/exalm/rebrand: 24/102] retro-runner: Merge into Runner
- Date: Thu, 8 Apr 2021 21:29:43 +0000 (UTC)
commit 328a7187dd433be5f3fe5afd23f51ead7c403eb2
Author: Alexander Mikhaylenko <alexm gnome org>
Date: Mon Mar 29 21:36:52 2021 +0500
retro-runner: Merge into Runner
plugins/ms-dos/src/ms-dos-plugin.vala | 2 +-
plugins/nintendo-3ds/src/nintendo-3ds-runner.vala | 2 +-
plugins/nintendo-64/src/nintendo-64-runner.vala | 2 +-
plugins/nintendo-ds/src/nintendo-ds-runner.vala | 2 +-
src/core/runner.vala | 564 +++++++++++++++++++++-
src/meson.build | 1 -
src/retro/retro-runner-factory.vala | 2 +-
src/retro/retro-runner.vala | 542 ---------------------
8 files changed, 543 insertions(+), 574 deletions(-)
---
diff --git a/plugins/ms-dos/src/ms-dos-plugin.vala b/plugins/ms-dos/src/ms-dos-plugin.vala
index dbfa14e2..fb2ed78a 100644
--- a/plugins/ms-dos/src/ms-dos-plugin.vala
+++ b/plugins/ms-dos/src/ms-dos-plugin.vala
@@ -47,7 +47,7 @@ private class Games.MsDosPlugin : Object, Plugin {
private static Runner? create_runner (Game game) throws Error {
var core_source = new RetroCoreSource (platform);
- var runner = new RetroRunner (game, core_source);
+ var runner = new Runner (game, core_source);
runner.input_capabilities = new GenericInputCapabilities (true, false);
diff --git a/plugins/nintendo-3ds/src/nintendo-3ds-runner.vala
b/plugins/nintendo-3ds/src/nintendo-3ds-runner.vala
index 34283287..423477a5 100644
--- a/plugins/nintendo-3ds/src/nintendo-3ds-runner.vala
+++ b/plugins/nintendo-3ds/src/nintendo-3ds-runner.vala
@@ -1,6 +1,6 @@
// This file is part of GNOME Games. License: GPL-3.0+.
-private class Games.Nintendo3DsRunner : RetroRunner {
+private class Games.Nintendo3DsRunner : Runner {
// Map the 1,2,3,4 key values to the 4 screen layouts of the Nintendo 3DS
private static HashTable<uint, ScreenLayout?> layouts;
diff --git a/plugins/nintendo-64/src/nintendo-64-runner.vala b/plugins/nintendo-64/src/nintendo-64-runner.vala
index d45acdde..1074578e 100644
--- a/plugins/nintendo-64/src/nintendo-64-runner.vala
+++ b/plugins/nintendo-64/src/nintendo-64-runner.vala
@@ -1,6 +1,6 @@
// This file is part of GNOME Games. License: GPL-3.0+.
-private class Games.Nintendo64Runner : RetroRunner {
+private class Games.Nintendo64Runner : Runner {
private const string MUPEN64PLUS_PAK_OPTION = "mupen64plus-pak%u";
private const string PARALLEL_N64_PAK_OPTION = "parallel-n64-pak%u";
diff --git a/plugins/nintendo-ds/src/nintendo-ds-runner.vala b/plugins/nintendo-ds/src/nintendo-ds-runner.vala
index 9dbb58c2..756b7df2 100644
--- a/plugins/nintendo-ds/src/nintendo-ds-runner.vala
+++ b/plugins/nintendo-ds/src/nintendo-ds-runner.vala
@@ -1,6 +1,6 @@
// This file is part of GNOME Games. License: GPL-3.0+.
-private class Games.NintendoDsRunner : RetroRunner {
+private class Games.NintendoDsRunner : Runner {
// Map the 1,2,3,4 key values to the 4 screen layouts of the Nintendo DS
private static HashTable<uint, ScreenLayout?> layouts;
private static HashTable<string, string> gap_overrides;
diff --git a/src/core/runner.vala b/src/core/runner.vala
index 504dbd3f..a1b2374f 100644
--- a/src/core/runner.vala
+++ b/src/core/runner.vala
@@ -1,33 +1,545 @@
// This file is part of GNOME Games. License: GPL-3.0+.
-public interface Games.Runner : Object {
+public class Games.Runner : Object {
public signal void snapshot_created ();
public signal void stopped ();
public signal void crash (string message);
+ public signal void controllers_changed ();
- public abstract bool can_fullscreen { get; }
- public abstract bool can_resume { get; }
- public abstract bool supports_snapshots { get; }
- public abstract MediaSet? media_set { get; }
- public abstract InputMode input_mode { get; set; }
-
- public abstract Gtk.Widget get_display ();
- public abstract HeaderBarWidget? get_extra_widget ();
-
- public abstract void prepare () throws RunnerError;
- public abstract void start () throws Error;
- public abstract void resume ();
- public abstract void pause ();
- public abstract void stop ();
-
- public abstract Snapshot? try_create_snapshot (bool is_automatic);
- public abstract void delete_snapshot (Snapshot snapshot);
- public abstract void preview_snapshot (Snapshot snapshot);
- public abstract void preview_current_state ();
- public abstract void load_previewed_snapshot () throws Error;
- public abstract Snapshot[] get_snapshots ();
-
- public abstract InputMode[] get_available_input_modes ();
- public abstract bool key_press_event (uint keyval, Gdk.ModifierType state);
- public abstract bool gamepad_button_press_event (uint16 button);
+ public bool can_fullscreen {
+ get { return true; }
+ }
+
+ public bool can_resume {
+ get {
+ if (snapshot_manager == null)
+ return false;
+
+ return snapshot_manager.has_snapshots ();
+ }
+ }
+
+ public bool supports_snapshots {
+ get { return started && core.get_can_access_state (); }
+ }
+
+ private MediaSet _media_set;
+ public MediaSet? media_set {
+ get { return _media_set; }
+ }
+
+ public InputCapabilities input_capabilities { get; set; }
+
+ private Retro.Core core;
+ private Retro.CoreView view;
+ private RetroInputManager input_manager;
+ private InputMode _input_mode;
+ public InputMode input_mode {
+ get { return _input_mode; }
+ set {
+ _input_mode = value;
+ input_manager.input_mode = value;
+ }
+ }
+
+ private RetroCoreSource core_source;
+ private Settings settings;
+ private Game game;
+ private SnapshotManager snapshot_manager;
+
+ private Snapshot previewed_snapshot;
+
+ private string tmp_save_dir;
+
+ private Gdk.Pixbuf current_state_pixbuf;
+
+ private bool _running;
+ private bool running {
+ get { return _running; }
+ set {
+ _running = value;
+ view.sensitive = running;
+ }
+ }
+
+ private bool started;
+ private bool core_loaded;
+ private bool is_error;
+
+ public Runner (Game game, RetroCoreSource source) {
+ this.game = game;
+
+ core_source = source;
+
+ _media_set = game.media_set;
+ if (media_set == null && game.uri != null) {
+ var media = new Media ();
+ media.add_uri (game.uri);
+
+ _media_set = new MediaSet ();
+ _media_set.add_media (media);
+ }
+
+ _media_set.notify["selected-media-number"].connect (on_media_number_changed);
+ }
+
+ construct {
+ settings = new Settings ("org.gnome.Games");
+ view = new Retro.CoreView ();
+
+ settings.changed["video-filter"].connect (on_video_filter_changed);
+ on_video_filter_changed ();
+ }
+
+ private void on_video_filter_changed () {
+ var filter_name = settings.get_string ("video-filter");
+ var filter = Retro.VideoFilter.from_string (filter_name);
+ view.set_filter (filter);
+ }
+
+ ~Runner () {
+ deinit ();
+ }
+
+ public Gtk.Widget get_display () {
+ return view;
+ }
+
+ public virtual HeaderBarWidget? get_extra_widget () {
+ return null;
+ }
+
+ private string get_unsupported_system_message () {
+ var platform_name = game.platform.get_name ();
+ if (platform_name != null)
+ return _("The system “%s” isn’t supported yet, but full support is planned.").printf
(platform_name);
+
+ return _("The system isn’t supported yet, but full support is planned.");
+ }
+
+ private string get_core_id () throws Error {
+ return core_source.get_core_id ();
+ }
+
+ private string create_tmp_save_dir () throws Error {
+ return DirUtils.make_tmp ("games_save_dir_XXXXXX");
+ }
+
+ private string get_options_path () throws Error {
+ assert (core != null);
+
+ var core_filename = core.get_filename ();
+ var file = File.new_for_path (core_filename);
+ var basename = file.get_basename ();
+ var options_name = basename.split (".")[0];
+ options_name = options_name.replace ("_libretro", "");
+
+ return @"$(Config.OPTIONS_DIR)/$options_name.options";
+ }
+
+ private void prepare_core () throws Error {
+ var module_path = core_source.get_module_path ();
+
+ core = new Retro.Core (module_path);
+
+ var options_path = get_options_path ();
+ if (FileUtils.test (options_path, FileTest.EXISTS))
+ try {
+ var options = new RetroOptions (options_path);
+ options.apply (core);
+ } catch (Error e) {
+ critical (e.message);
+ }
+
+ var platforms_dir = Application.get_platforms_dir ();
+ var platform_id = game.platform.get_id ();
+ core.system_directory = @"$platforms_dir/$platform_id/system";
+
+ core.save_directory = tmp_save_dir;
+
+ core.log.connect (Retro.g_log);
+ core.shutdown.connect (stop);
+ core.crashed.connect ((core, error) => {
+ is_error = true;
+ game.update_last_played ();
+ crash (error);
+ });
+
+ view.set_core (core);
+
+ string[] medias_uris = {};
+ media_set.foreach_media ((media) => {
+ var uris = media.get_uris ();
+ medias_uris += (uris.length == 0) ? "" : uris[0].to_string ();
+ });
+
+ core.set_medias (medias_uris);
+ core.boot ();
+
+ if (medias_uris.length > 0)
+ core.set_current_media (media_set.selected_media_number);
+
+ input_manager = new RetroInputManager (core, view);
+ input_manager.controllers_changed.connect (() => {
+ controllers_changed ();
+ });
+
+ // Keep the internal values of input_mode in sync between RetroRunner and RetroInputManager
+ input_mode = get_available_input_modes ()[0];
+
+ core_loaded = true;
+ }
+
+ public void prepare () throws RunnerError {
+ try {
+ snapshot_manager = new SnapshotManager (game, get_core_id ());
+
+ var snapshot = snapshot_manager.get_latest_snapshot ();
+
+ tmp_save_dir = create_tmp_save_dir ();
+
+ var tmp_dir = File.new_for_path (tmp_save_dir);
+ if (tmp_dir.query_exists ())
+ FileOperations.delete_files (tmp_dir);
+ tmp_dir.make_directory ();
+
+ if (snapshot != null) {
+ snapshot.copy_save_dir_to (tmp_save_dir);
+ } else {
+ var path = get_fallback_save_directory_path ();
+ var save_dir_path = Path.build_filename (path, "save-dir");
+
+ if (FileUtils.test (save_dir_path, FileTest.EXISTS)) {
+ var save_dir = File.new_for_path (save_dir_path);
+
+ FileOperations.copy_contents (save_dir, File.new_for_path
(tmp_save_dir));
+ }
+ }
+
+ prepare_core ();
+
+ if (snapshot != null) {
+ reset_with_snapshot (snapshot);
+
+ preview_snapshot (snapshot);
+ } else {
+ var path = get_fallback_save_directory_path ();
+ var save_ram_path = Path.build_filename (path, "save");
+
+ if (FileUtils.test (save_ram_path, FileTest.EXISTS) &&
+ core.get_memory_size (Retro.MemoryType.SAVE_RAM) > 0)
+ core.load_memory (Retro.MemoryType.SAVE_RAM, save_ram_path);
+ }
+ }
+ catch (RetroError.MODULE_NOT_FOUND e) {
+ debug ("%s\n", e.message);
+ throw new RunnerError.UNSUPPORTED_SYSTEM (get_unsupported_system_message ());
+ }
+ catch (FirmwareError.FIRMWARE_NOT_FOUND e) {
+ debug ("%s\n", e.message);
+ throw new RunnerError.UNSUPPORTED_SYSTEM (get_unsupported_system_message ());
+ }
+ catch (Error e) {
+ throw new RunnerError.OTHER (e.message);
+ }
+ }
+
+ public void start () throws Error {
+ assert (core_loaded);
+
+ resume ();
+ }
+
+ public void resume () {
+ if (!core_loaded)
+ return;
+
+ // Unpause an already running game
+ core.run ();
+ running = true;
+ started = true;
+
+ notify_property ("supports-snapshots");
+ }
+
+ public void pause () {
+ if (!core_loaded)
+ return;
+
+ if (!running)
+ return;
+
+ if (!is_error) {
+ current_state_pixbuf = view.get_pixbuf ();
+ core.stop ();
+ }
+
+ running = false;
+ }
+
+ private string get_fallback_save_directory_path () throws Error {
+ var uid = game.uid;
+ var core_id_prefix = get_core_id ().replace (".libretro", "");
+
+ return Path.build_filename (Application.get_data_dir (),
+ "savestates",
+ @"$uid-$core_id_prefix",
+ "global");
+ }
+
+ public void stop () {
+ if (!core_loaded)
+ return;
+
+ if (!is_error && !supports_snapshots) {
+ try {
+ var path = get_fallback_save_directory_path ();
+
+ if (core.get_memory_size (Retro.MemoryType.SAVE_RAM) > 0)
+ core.save_memory (Retro.MemoryType.SAVE_RAM,
+ Path.build_filename (path, "save"));
+
+ var tmp_dir = File.new_for_path (tmp_save_dir);
+ var dest_dir = File.new_for_path (Path.build_filename (path, "save-dir"));
+ if (dest_dir.query_exists ())
+ FileOperations.delete_files (dest_dir);
+ FileOperations.copy_contents (tmp_dir, dest_dir);
+ }
+ catch (Error e) {
+ critical ("Failed to create snapshot: %s", e.message);
+ }
+ }
+
+ game.update_last_played ();
+ deinit ();
+ stopped ();
+ }
+
+ private void deinit () {
+ if (!core_loaded)
+ return;
+
+ settings.changed["video-filter"].disconnect (on_video_filter_changed);
+
+ input_manager = null;
+
+ if (!is_error && core.is_initiated)
+ core.stop ();
+
+ core = null;
+
+ if (view != null) {
+ view.set_core (null);
+ view = null;
+ }
+
+ _running = false;
+ started = false;
+ core_loaded = false;
+
+ notify_property ("supports-snapshots");
+ }
+
+ public Snapshot? try_create_snapshot (bool is_automatic) {
+ if (!supports_snapshots)
+ return null;
+
+ if (!is_automatic)
+ snapshot_created ();
+
+ try {
+ return snapshot_manager.create_snapshot (is_automatic, save_to_snapshot);
+ }
+ catch (Error e) {
+ critical ("Failed to create snapshot: %s", e.message);
+
+ return null;
+ }
+ }
+
+ public void delete_snapshot (Snapshot snapshot) {
+ snapshot_manager.delete_snapshot (snapshot);
+ }
+
+ public void preview_snapshot (Snapshot snapshot) {
+ previewed_snapshot = snapshot;
+
+ var screenshot_path = snapshot.get_screenshot_path ();
+ Gdk.Pixbuf pixbuf = null;
+
+ // Treat errors locally because loading the snapshot screenshot is not
+ // a critical operation
+ try {
+ pixbuf = new Gdk.Pixbuf.from_file (screenshot_path);
+
+ var aspect_ratio = snapshot.screenshot_aspect_ratio;
+
+ if (aspect_ratio != 0)
+ Retro.pixbuf_set_aspect_ratio (pixbuf, (float) aspect_ratio);
+ }
+ catch (Error e) {
+ warning ("Couldn't load %s: %s", screenshot_path, e.message);
+ }
+
+ view.set_pixbuf (pixbuf);
+ }
+
+ public void preview_current_state () {
+ view.set_pixbuf (current_state_pixbuf);
+ }
+
+ public void load_previewed_snapshot () throws Error {
+ load_from_snapshot (previewed_snapshot);
+ }
+
+ public Snapshot[] get_snapshots () {
+ if (snapshot_manager == null)
+ return {};
+
+ return snapshot_manager.get_snapshots ();
+ }
+
+ public InputMode[] get_available_input_modes () {
+ if (input_capabilities == null)
+ return { InputMode.GAMEPAD };
+
+ InputMode[] modes = {};
+
+ if (input_capabilities.get_allow_gamepad_mode ())
+ modes += InputMode.GAMEPAD;
+
+ if (input_capabilities.get_allow_keyboard_mode ())
+ modes += InputMode.KEYBOARD;
+
+ return modes;
+ }
+
+ public virtual bool key_press_event (uint keyval, Gdk.ModifierType state) {
+ return false;
+ }
+
+ public virtual bool gamepad_button_press_event (uint16 button) {
+ return false;
+ }
+
+ private void on_media_number_changed () {
+ if (!core_loaded)
+ return;
+
+ try {
+ core.set_current_media (media_set.selected_media_number);
+ }
+ catch (Error e) {
+ debug (e.message);
+
+ return;
+ }
+
+ var media_number = media_set.selected_media_number;
+
+ Media media = null;
+ try {
+ media = media_set.get_selected_media (media_number);
+ }
+ catch (Error e) {
+ warning (e.message);
+
+ return;
+ }
+
+ var uris = media.get_uris ();
+ if (uris.length == 0)
+ return;
+
+ try {
+ core.set_current_media (media_set.selected_media_number);
+ }
+ catch (Error e) {
+ debug (e.message);
+
+ return;
+ }
+ }
+
+ public Retro.Core get_core () {
+ return core;
+ }
+
+ private void save_screenshot (string path) throws Error {
+ var pixbuf = current_state_pixbuf;
+ if (pixbuf == null)
+ return;
+
+ var now = new GLib.DateTime.now_local ();
+ var creation_time = now.to_string ();
+ var game_title = game.name;
+ var platform = game.platform;
+ var platform_name = platform.get_name ();
+ var platform_id = platform.get_id ();
+ if (platform_name == null) {
+ critical ("Unknown name for platform %s", platform_id);
+ platform_name = _("Unknown platform");
+ }
+
+ // See http://www.libpng.org/pub/png/spec/iso/index-object.html#11textinfo
+ // for description of used keys. "Game Title" and "Platform" are
+ // non-standard fields as allowed by PNG specification.
+ pixbuf.save (path, "png",
+ "tEXt::Software", "GNOME Games",
+ "tEXt::Title", @"Screenshot of $game_title on $platform_name",
+ "tEXt::Creation Time", creation_time.to_string (),
+ "tEXt::Game Title", game_title,
+ "tEXt::Platform", platform_name,
+ null);
+ }
+
+ private void load_save_ram (string save_ram_path) throws Error {
+ if (!FileUtils.test (save_ram_path, FileTest.EXISTS))
+ return;
+
+ if (core.get_memory_size (Retro.MemoryType.SAVE_RAM) == 0)
+ return;
+
+ core.load_memory (Retro.MemoryType.SAVE_RAM, save_ram_path);
+ }
+
+ protected virtual void save_to_snapshot (Snapshot snapshot) throws Error {
+ if (core.get_memory_size (Retro.MemoryType.SAVE_RAM) > 0)
+ core.save_memory (Retro.MemoryType.SAVE_RAM,
+ snapshot.get_save_ram_path ());
+
+ var tmp_dir = File.new_for_path (tmp_save_dir);
+ var dest_dir = File.new_for_path (snapshot.get_save_directory_path ());
+ FileOperations.copy_contents (tmp_dir, dest_dir);
+
+ if (media_set.get_size () > 1)
+ snapshot.set_media_data (media_set);
+
+ core.save_state (snapshot.get_snapshot_path ());
+ save_screenshot (snapshot.get_screenshot_path ());
+ snapshot.screenshot_aspect_ratio = Retro.pixbuf_get_aspect_ratio (current_state_pixbuf);
+ }
+
+ protected virtual void load_from_snapshot (Snapshot snapshot) throws Error {
+ File tmp_dir = File.new_for_path (tmp_save_dir);
+
+ if (tmp_dir.query_exists ())
+ FileOperations.delete_files (tmp_dir);
+ tmp_dir.make_directory ();
+
+ snapshot.copy_save_dir_to (tmp_save_dir);
+
+ load_save_ram (snapshot.get_save_ram_path ());
+ core.load_state (snapshot.get_snapshot_path ());
+
+ if (snapshot.has_media_data ())
+ media_set.selected_media_number = snapshot.get_media_data ();
+ }
+
+ protected virtual void reset_with_snapshot (Snapshot last_snapshot) throws Error {
+ load_save_ram (last_snapshot.get_save_ram_path ());
+
+ if (last_snapshot.has_media_data ())
+ media_set.selected_media_number = last_snapshot.get_media_data ();
+ }
}
diff --git a/src/meson.build b/src/meson.build
index 0d56fd5a..e833d5bd 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -104,7 +104,6 @@ vala_sources = [
'retro/retro-gamepad.vala',
'retro/retro-input-manager.vala',
'retro/retro-options.vala',
- 'retro/retro-runner.vala',
'retro/retro-runner-factory.vala',
'retro/retro-simple-game-uri-adapter.vala',
'retro/retro-simple-type.vala',
diff --git a/src/retro/retro-runner-factory.vala b/src/retro/retro-runner-factory.vala
index 296ddc5f..6e0fae6b 100644
--- a/src/retro/retro-runner-factory.vala
+++ b/src/retro/retro-runner-factory.vala
@@ -14,6 +14,6 @@ public class Games.RetroRunnerFactory : Object, RunnerFactory {
public Runner? create_runner (Game game) throws Error {
var core_source = new RetroCoreSource (platform);
- return new RetroRunner (game, core_source);
+ return new Runner (game, core_source);
}
}
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