input: add SDL_GameControllerDB

Author: Megamouse

.ci/deploy-windows.sh

@@ -7,8 +7,11 @@ ARTIFACT_DIR="$BUILD_ARTIFACTSTAGINGDIRECTORY"
 rm -f ./bin/rpcs3.exp ./bin/rpcs3.lib ./bin/rpcs3.pdb ./bin/vc_redist.x64.exe
 rm -rf ./bin/git
 
-# Prepare compatibility database for packaging, as well as
+# Prepare compatibility and SDL database for packaging, as well as
 # certificate for ssl (auto-updater)
+mkdir ./bin/config
+mkdir ./bin/config/input_configs
+curl -fsSL 'https://raw.githubusercontent.com/gabomdq/SDL_GameControllerDB/master/gamecontrollerdb.txt' 1> ./bin/config/input_configs/gamecontrollerdb.txt
 curl -fsSL 'https://rpcs3.net/compatibility?api=v1&export' | iconv -t UTF-8 1> ./bin/GuiConfigs/compat_database.dat
 curl -fsSL 'https://curl.haxx.se/ca/cacert.pem' 1> ./bin/cacert.pem
 

.gitmodules

@@ -87,3 +87,4 @@
 [submodule "3rdparty/rtmidi/rtmidi"]
 	path = 3rdparty/rtmidi/rtmidi
 	url = ../../thestk/rtmidi
+	ignore = dirty

rpcs3/Emu/system_config.h

@@ -278,6 +278,7 @@ struct cfg_root : cfg::node
 		cfg::_bool show_move_cursor{this, "Show move cursor", false, true};
 		cfg::_bool lock_overlay_input_to_player_one{this, "Lock overlay input to player one", false, true};
 		cfg::string midi_devices{ this, "Emulated Midi devices", "ßßß@@@ßßß@@@ßßß@@@" };
+		cfg::_bool load_sdl_mappings{ this, "Load SDL GameController Mappings", true };
 	} io{ this };
 
 	struct node_sys : cfg::node

rpcs3/Input/sdl_pad_handler.cpp

@@ -2,6 +2,8 @@
 
 #include "stdafx.h"
 #include "sdl_pad_handler.h"
+#include "Emu/system_utils.hpp"
+#include "Emu/system_config.h"
 
 LOG_CHANNEL(sdl_log, "SDL");
 
@@ -217,6 +219,24 @@ bool sdl_pad_handler::Init()
 		}
 	}, nullptr);
 
+	if (g_cfg.io.load_sdl_mappings)
+	{
+		const std::string db_path = rpcs3::utils::get_input_config_root() + "gamecontrollerdb.txt";
+		sdl_log.notice("Adding mappings from file '%s'", db_path);
+
+		if (fs::is_file(db_path))
+		{
+			if (SDL_GameControllerAddMappingsFromFile(db_path.c_str()) < 0)
+			{
+				sdl_log.error("Could not add mappings from file '%s'! SDL Error: %s", db_path, SDL_GetError());
+			}
+		}
+		else
+		{
+			sdl_log.error("Could not add mappings from file '%s'! File does not exist!", db_path);
+		}
+	}
+
 	m_is_init = true;
 	enumerate_devices();
 

rpcs3/rpcs3qt/emu_settings_type.h

@@ -157,6 +157,7 @@ enum class emu_settings_type
 	Turntable,
 	GHLtar,
 	MidiDevices,
+	SDLMappings,
 
 	// Misc
 	ExitRPCS3OnFinish,
@@ -341,6 +342,7 @@ inline static const QMap<emu_settings_type, cfg_location> settings_location =
 	{ emu_settings_type::Turntable,       { "Input/Output", "Turntable emulated controller" }},
 	{ emu_settings_type::GHLtar,          { "Input/Output", "GHLtar emulated controller" }},
 	{ emu_settings_type::MidiDevices,     { "Input/Output", "Emulated Midi devices" }},
+	{ emu_settings_type::SDLMappings,     { "Input/Output", "Load SDL GameController Mappings" }},
 
 	// Misc
 	{ emu_settings_type::ExitRPCS3OnFinish,         { "Miscellaneous", "Exit RPCS3 when process finishes" }},

rpcs3/rpcs3qt/settings_dialog.cpp

@@ -1226,6 +1226,13 @@ settings_dialog::settings_dialog(std::shared_ptr<gui_settings> gui_settings, std
 	m_emu_settings->EnhanceCheckBox(ui->lockOverlayInputToPlayerOne, emu_settings_type::LockOvlIptToP1);
 	SubscribeTooltip(ui->lockOverlayInputToPlayerOne, tooltips.settings.lock_overlay_input_to_player_one);
 
+#if HAVE_SDL2
+	m_emu_settings->EnhanceCheckBox(ui->loadSdlMappings, emu_settings_type::SDLMappings);
+	SubscribeTooltip(ui->loadSdlMappings, tooltips.settings.sdl_mappings);
+#else
+	ui->loadSdlMappings->setVisible(false);
+#endif
+
 	// Midi
 	const QString midi_none = m_emu_settings->m_midi_creator.get_none();
 	const midi_device def_midi_device{ .type = midi_device_type::keyboard, .name = midi_none.toStdString() };

rpcs3/rpcs3qt/settings_dialog.ui

@@ -1810,6 +1810,13 @@
                </property>
               </widget>
              </item>
+             <item>
+              <widget class="QCheckBox" name="loadSdlMappings">
+               <property name="text">
+                <string>Use SDL GameController Database</string>
+               </property>
+              </widget>
+             </item>
              <item>
               <spacer name="verticalSpacerIoAdditionalSettings">
                <property name="orientation">

rpcs3/rpcs3qt/tooltips.h

@@ -227,6 +227,7 @@ class Tooltips : public QObject
 		const QString background_input  = tr("Allows pad and keyboard input while the game window is unfocused.");
 		const QString show_move_cursor  = tr("Shows the raw position of the PS Move input.\nThis can be very helpful during calibration screens.");
 		const QString midi_devices      = tr("Select up to 3 emulated MIDI devices and their types.");
+		const QString sdl_mappings      = tr("Loads the SDL GameController database for improved gamepad compatibility. Only used in the SDL pad handler.");
 
 		const QString lock_overlay_input_to_player_one  = tr("Locks the native overlay input to the first player.");