Working on loading

src/MenuManager.cpp

@@ -325,6 +325,11 @@ namespace FRG {
 		languageScreenRoot = loadLocalizedUi("resources/w/ui/screen_language.json", zipFile);
 		loadSavedGameScreenRoot = loadLocalizedUi("resources/w/ui/screen_load.json", zipFile);
 		campaignScreenRoot = loadLocalizedUi("resources/w/ui/screen_campaign.json", zipFile);
+		loadingScreenRoots_.clear();
+		for (const CampaignConfig& campaign : CampaignRegistry::instance().all()) {
+			if (!loadingScreenRoots_.count(campaign.loadingScreenPath))
+				loadingScreenRoots_[campaign.loadingScreenPath] = loadLocalizedUi(campaign.loadingScreenPath, zipFile);
+		}
 		saveGameScreenRoot = loadLocalizedUi("resources/w/ui/screen_save.json", zipFile);
 	}
 
@@ -385,6 +390,21 @@ namespace FRG {
 		if (startGameFunc) startGameFunc(campaignId);
 	}
 
+	void MenuManager::showLoadingScreen(const std::string& layoutPath) {
+		auto it = loadingScreenRoots_.find(layoutPath);
+		if (it == loadingScreenRoots_.end() || !it->second) {
+			std::cerr << "[menu] Loading screen not preloaded: " << layoutPath << std::endl;
+			return; // Game falls back to the startup loading image
+		}
+		loadingUiManager.replaceRoot(it->second);
+		loadingScreenShown_ = true;
+	}
+
+	void MenuManager::hideLoadingScreen() {
+		loadingUiManager.replaceRoot(nullptr);
+		loadingScreenShown_ = false;
+	}
+
 	void MenuManager::enterGameplay(bool isFromLoad) {
 		if (isFromLoad) {
 			uiManager.clearMenuStack();
@@ -1080,8 +1100,8 @@ namespace FRG {
 			}
 			uiManager.setTextButtonCallback(kSlotButtons[i], [this, slot](const std::string&) {
 				audioPlayer_.playSoundAsync("resources/audio/751089__smallconfusion__mechanical-plastic-click-11.ogg");
+				// Game enters gameplay itself once the save (and its campaign) is loaded.
 				if (onLoadGame) onLoadGame(slot);
-				enterGameplay(true);
 			});
 		}
 	}