added setting for change language

(reference to https://github.com/shadps4-emu/shadPS4/wiki/PS4-Modules#supported-languages for values)

src/common/config.cpp

@@ -43,6 +43,8 @@ u32 m_window_size_H = 720;
 std::vector<std::string> m_pkg_viewer;
 std::vector<std::string> m_elf_viewer;
 std::vector<std::string> m_recent_files;
+// Settings
+u32 m_language = 1; // english
 
 bool isLleLibc() {
     return isLibc;
@@ -207,6 +209,9 @@ std::vector<std::string> getRecentFiles() {
     return m_recent_files;
 }
 
+u32 GetLanguage() {
+    return m_language;
+}
 void load(const std::filesystem::path& path) {
     // If the configuration file does not exist, create it and return
     std::error_code error;
@@ -285,6 +290,12 @@ void load(const std::filesystem::path& path) {
         m_recent_files = toml::find_or<std::vector<std::string>>(gui, "recentFiles", {});
         m_table_mode = toml::find_or<int>(gui, "gameTableMode", 0);
     }
+
+    if (data.contains("Settings")) {
+        const toml::value& settings = data.at("Settings");
+
+        m_language = toml::find_or<int>(settings, "language", 1);
+    }
 }
 void save(const std::filesystem::path& path) {
     toml::value data;
@@ -339,6 +350,8 @@ void save(const std::filesystem::path& path) {
     data["GUI"]["elfDirs"] = m_elf_viewer;
     data["GUI"]["recentFiles"] = m_recent_files;
 
+    data["Settings"]["language"] = m_language;
+
     std::ofstream file(path, std::ios::out);
     file << data;
     file.close();

src/common/config.h

@@ -64,4 +64,7 @@ std::vector<std::string> getPkgViewer();
 std::vector<std::string> getElfViewer();
 std::vector<std::string> getRecentFiles();
 
+// settings
+u32 GetLanguage();
+
 }; // namespace Config

src/core/libraries/pad/pad.cpp

@@ -251,9 +251,6 @@ int PS4_SYSV_ABI scePadOutputReport() {
 }
 
 int PS4_SYSV_ABI scePadRead(s32 handle, OrbisPadData* pData, s32 num) {
-    if (handle != 1) {
-        UNREACHABLE_MSG("unknown handle");
-    }
     int connected_count = 0;
     bool connected = false;
     Input::State states[64];
@@ -320,9 +317,6 @@ int PS4_SYSV_ABI scePadReadHistory() {
 
 int PS4_SYSV_ABI scePadReadState(s32 handle, OrbisPadData* pData) {
     auto* controller = Common::Singleton<Input::GameController>::Instance();
-    if (handle != 1) {
-        UNREACHABLE_MSG("unknown handle");
-    }
     int connectedCount = 0;
     bool isConnected = false;
     Input::State state;

src/core/libraries/system/systemservice.cpp

@@ -1898,7 +1898,7 @@ s32 PS4_SYSV_ABI sceSystemServiceParamGetInt(int param_id, int* value) {
     }
     switch (param_id) {
     case ORBIS_SYSTEM_SERVICE_PARAM_ID_LANG:
-        *value = ORBIS_SYSTEM_PARAM_LANG_ENGLISH_US;
+        *value = Config::GetLanguage();
         break;
     case ORBIS_SYSTEM_SERVICE_PARAM_ID_DATE_FORMAT:
         *value = ORBIS_SYSTEM_PARAM_DATE_FORMAT_DDMMYYYY;