added discord rpc (#1178)

* added discord rpc

* linting issues

* Revert "linting issues"

This reverts commit 55f4e39506.

* fix clang-format issues

* removed wrong rpc submodule

* added correct rpc submodule

* Moved cmake instructions to correct files.

* added minor suggestions from pr

* Added an option to enable/disable RPC, added rpc to emulator.cpp making it work on nonqt builds

* typo & minor stuff

* Changed getInstance implementation with Singleton class.

* Update discord_rpc_handler.cpp

discord id

* fixed ci clangformat errors

---------

Co-authored-by: georgemoralis <giorgosmrls@gmail.com>

src/common/config.cpp

@@ -34,6 +34,7 @@ static bool isNeo = false;
 static bool isFullscreen = false;
 static bool playBGM = false;
 static int BGMvolume = 50;
+static bool enableDiscordRPC = false;
 static u32 screenWidth = 1280;
 static u32 screenHeight = 720;
 static s32 gpuId = -1; // Vulkan physical device index. Set to negative for auto select
@@ -98,6 +99,10 @@ int getBGMvolume() {
     return BGMvolume;
 }
 
+bool getEnableDiscordRPC() {
+    return enableDiscordRPC;
+}
+
 s16 getCursorState() {
     return cursorState;
 }
@@ -266,6 +271,10 @@ void setBGMvolume(int volume) {
     BGMvolume = volume;
 }
 
+void setEnableDiscordRPC(bool enable) {
+    enableDiscordRPC = enable;
+}
+
 void setCursorState(s16 newCursorState) {
     cursorState = newCursorState;
 }
@@ -452,6 +461,7 @@ void load(const std::filesystem::path& path) {
         isFullscreen = toml::find_or<bool>(general, "Fullscreen", false);
         playBGM = toml::find_or<bool>(general, "playBGM", false);
         BGMvolume = toml::find_or<int>(general, "BGMvolume", 50);
+        enableDiscordRPC = toml::find_or<bool>(general, "enableDiscordRPC", true);
         logFilter = toml::find_or<std::string>(general, "logFilter", "");
         logType = toml::find_or<std::string>(general, "logType", "sync");
         userName = toml::find_or<std::string>(general, "userName", "shadPS4");
@@ -557,6 +567,7 @@ void save(const std::filesystem::path& path) {
     data["General"]["Fullscreen"] = isFullscreen;
     data["General"]["playBGM"] = playBGM;
     data["General"]["BGMvolume"] = BGMvolume;
+    data["General"]["enableDiscordRPC"] = enableDiscordRPC;
     data["General"]["logFilter"] = logFilter;
     data["General"]["logType"] = logType;
     data["General"]["userName"] = userName;
@@ -614,6 +625,7 @@ void setDefaultValues() {
     isFullscreen = false;
     playBGM = false;
     BGMvolume = 50;
+    enableDiscordRPC = true;
     cursorState = HideCursorState::Idle;
     cursorHideTimeout = 5;
     screenWidth = 1280;