Add onSaveSlotUploaded to FS.syncFS callback

src/async_handler.cpp

@@ -274,13 +274,14 @@ bool AsyncHandler::IsFilePending(bool important, bool graphic) {
 	return false;
 }
 
-void AsyncHandler::SaveFilesystem() {
+void AsyncHandler::SaveFilesystem(int slotId) {
 #ifdef EMSCRIPTEN
 	// Save changed file system
 	EM_ASM({
 		FS.syncfs(function(err) {
+			onSaveSlotUpdated($0);
 		});
-	});
+	}, slotId);
 #endif
 }
 

src/async_handler.h

@@ -97,7 +97,7 @@ namespace AsyncHandler {
 	 * Saves the state of the Save filesystem.
 	 * Only works on emscripten, noop on other platforms.
 	 */
-	void SaveFilesystem();
+	void SaveFilesystem(int slotId);
 }
 
 using FileRequestBinding = std::shared_ptr<int>;

src/scene_save.cpp

@@ -157,11 +157,7 @@ bool Scene_Save::Save(std::ostream& os, int slot_id, bool prepare_save) {
 	bool res = lcf::LSD_Reader::Save(os, save, lcf_engine, Player::encoding);
 
 	DynRpg::Save(slot_id);
-	AsyncHandler::SaveFilesystem();
-
-	EM_ASM({
-		onSaveSlotUpdated($0);
-	}, slot_id);
+	AsyncHandler::SaveFilesystem(slotId);
 
 	return res;
 }