YNO: Add server-synced variables

Author: Desdaemon

CMakePresets.json

@@ -36,6 +36,8 @@
 #   include "platform/libretro/ui.h"
 #endif
 
+#include "multiplayer/game_multiplayer.h"
+
 namespace {
 	std::string config_path;
 	std::string soundfont_path;
@@ -607,8 +609,13 @@ void Game_Config::LoadFromStream(Filesystem_Stream::InputStream& is) {
 	}
 
 	/** AUDIO SECTION */
-	audio.music_volume.FromIni(ini);
-	audio.sound_volume.FromIni(ini);
+	if (!GMI().settings.mute_audio) {
+		audio.music_volume.FromIni(ini);
+		audio.sound_volume.FromIni(ini);
+	} else {
+		audio.music_volume.Set(0);
+		audio.sound_volume.Set(0);
+	}
 	audio.fluidsynth_midi.FromIni(ini);
 	audio.wildmidi_midi.FromIni(ini);
 	audio.native_midi.FromIni(ini);

src/game_config.cpp

@@ -37,6 +37,7 @@
 #include "../cache.h"
 #include "chatname.h"
 #include "drawable_list.h"
+#include "main_data.h"
 #include "playerother.h"
 #include "web_api.h"
 #include "yno_connection.h"
@@ -200,6 +201,10 @@ void Game_Multiplayer::InitConnection() {
 			sync_vars.push_back(p.var_id);
 		}
 	});
+	connection.RegisterHandler<SyncServerVariablePacket>("ssv", [this] (SyncServerVariablePacket& p) {
+		if (!Player::IsCollectiveUnconscious()) return;
+		map_server_variables[p.var_id] = p.value;
+	});
 	connection.RegisterHandler<SyncEventPacket>("sev", [this] (SyncEventPacket& p) {
 		if (p.trigger_type != 1) {
 			sync_events.push_back(p.event_id);
@@ -795,6 +800,13 @@ void Game_Multiplayer::UpdateGlobalVariables() {
   UpdateCUWeather();
 }
 
+void Game_Multiplayer::UpdateServerVariables() {
+	for (const auto& it : map_server_variables) {
+		Main_Data::game_variables->Set(it.first, it.second);
+	}
+	map_server_variables.clear();
+}
+
 void Game_Multiplayer::Update() {
 	if (session_active) {
 		if (last_flash_frame_index > -1 && frame_index > last_flash_frame_index) {
@@ -886,6 +898,7 @@ void Game_Multiplayer::Update() {
 
 		if (!switching_room && !switched_room) {
 			switched_room = true;
+			UpdateServerVariables();
 		}
 
 		UpdateGlobalVariables();

src/multiplayer/game_multiplayer.cpp

@@ -52,6 +52,7 @@ class Game_Multiplayer {
   void UpdateCUTime();
   void UpdateCUWeather();
 	void UpdateGlobalVariables();
+	void UpdateServerVariables();
 
 	struct {
 		bool enable_sounds{ true };
@@ -68,6 +69,7 @@ class Game_Multiplayer {
 	std::string session_token; // non-null if the user has an ynoproject account logged in
 	int room_id{-1};
 	int frame_index{-1};
+	std::map<int, int> map_server_variables;
 
 	enum class NametagMode {
 		NONE,

src/multiplayer/game_multiplayer.h

@@ -119,7 +119,7 @@ namespace S2C {
 			facing(Decode<int>(v.at(1))) {}
 		const int facing;
 	};
-	
+
 	class SpeedPacket : public PlayerPacket {
 	public:
 		SpeedPacket(const PL& v)
@@ -149,7 +149,7 @@ namespace S2C {
 		const int p;
 		const int f;
 	};
-	
+
 	class RepeatingFlashPacket : public FlashPacket {
 	public:
 		RepeatingFlashPacket(const PL& v)
@@ -313,6 +313,15 @@ namespace S2C {
 		const int sync_type;
 	};
 
+	class SyncServerVariablePacket : public S2CPacket {
+	public:
+		SyncServerVariablePacket(const PL& v)
+			: var_id(Decode<int>(v.at(0))), value(Decode<int>(v.at(1))) {}
+
+		const int var_id;
+		const int value;
+	};
+
 	class SyncEventPacket : public S2CPacket {
 	public:
 		SyncEventPacket(const PL& v)

src/multiplayer/messages.h

@@ -22,6 +22,7 @@
 #include <lcf/lsd/reader.h>
 #include <sstream>
 
+#include "scene_settings.h"
 #include "system.h"
 #include "async_handler.h"
 #include "baseui.h"
@@ -241,6 +242,10 @@ void Emscripten_Interface::PreloadFile(std::string dir, std::string path, bool g
 	}
 }
 
+void Emscripten_Interface::SaveConfig() {
+	Scene_Settings::SaveConfig(true);
+}
+
 // Binding code
 EMSCRIPTEN_BINDINGS(player_interface) {
 	emscripten::class_<Emscripten_Interface>("api")
@@ -267,6 +272,7 @@ EMSCRIPTEN_BINDINGS(player_interface) {
 		.class_function("setSessionToken", &Emscripten_Interface::SetSessionToken, emscripten::allow_raw_pointers())
 		.class_function("resetCanvas", &Emscripten_Interface::ResetCanvas)
 		.class_function("preloadFile", &Emscripten_Interface::PreloadFile, emscripten::allow_raw_pointers())
+		.class_function("saveConfig", &Emscripten_Interface::SaveConfig)
 	;
 
 	emscripten::class_<Emscripten_Interface_Private>("api_private")

src/platform/emscripten/interface.cpp

@@ -43,6 +43,7 @@ class Emscripten_Interface {
 	static bool ResetCanvas();
 
 	static void PreloadFile(std::string dir, std::string path, bool graphic);
+	static void SaveConfig();
 };
 
 class Emscripten_Interface_Private {