working on campaign

src/MenuManager.h

@@ -72,7 +72,8 @@ namespace FRG {
 		void spendMoney(int amount);
 		int  getMoney() const { return gameState_.money; }
 
-		std::function<void()> startGameFunc;
+		// Starts a new game of the given campaign (see CampaignRegistry).
+		std::function<void(const std::string& campaignId)> startGameFunc;
 		std::function<void(const std::string&)> startDialogueFunc;
 		std::function<void()> startDarklandsTransitionFunc;
 		std::function<void()> startNightTransitionFunc;
@@ -164,6 +165,7 @@ namespace FRG {
 		GameState& gameState_;
 		AudioPlayerAsync& audioPlayer_;
 
+		void startNewGame(const std::string& campaignId);
 		void enterGameplay(bool isFromLoad = false);
 		// HUD layout for the current location and darklands mode.
 		std::shared_ptr<UiNode> gameplayHudRoot() const;
@@ -212,6 +214,10 @@ namespace FRG {
 		void showLanguageScreen();
 		void showLoadGameScreen();
 		void showSaveGameScreen();
+		// Campaign list opened by "Start game".
+		void showCampaignScreen();
+		// Text of a load/save slot button.
+		std::string slotLabel(const SaveSlotInfo& info);
 
 		// Toast internals
 		struct ToastEntry {
@@ -292,6 +298,7 @@ namespace FRG {
 		std::shared_ptr<UiNode> settingsGraphicsScreenRoot;
 		std::shared_ptr<UiNode> languageScreenRoot;
 		std::shared_ptr<UiNode> loadSavedGameScreenRoot;
+		std::shared_ptr<UiNode> campaignScreenRoot;
 		std::shared_ptr<UiNode> saveGameScreenRoot;