Water works!

src/gamedata/GUIModule.cpp

@@ -144,6 +144,27 @@ struct GUIListener : public Ogre::RenderTargetListener {
 	{
 		int i;
 		Ogre::ImGuiOverlay::NewFrame();
+		if (ECS::get().get<EngineData>().startupDelay > 0.0f) {
+			ImVec2 size = ImGui::GetMainViewport()->Size;
+			ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always);
+			ImGui::SetNextWindowSize(ImVec2(size.x, size.y),
+						 ImGuiCond_Always);
+			ImGui::Begin(
+				"StartupScreen", nullptr,
+				ImGuiWindowFlags_NoTitleBar |
+					ImGuiWindowFlags_NoDecoration |
+
+					ImGuiWindowFlags_NoResize |
+					ImGuiWindowFlags_NoMove |
+					ImGuiWindowFlags_NoCollapse |
+					ImGuiWindowFlags_NoFocusOnAppearing |
+					ImGuiWindowFlags_NoInputs);
+			//		if (ECS::get().get<GUI>().enabled)
+			//			ECS::get().get<App>().app->setWindowGrab(true);
+			ImGui::Text(
+				"This game does not autosave. Please use save function to keep your state");
+			ImGui::End();
+		}
 		if (ECS::get().get<GUI>().enabled) {
 			buttons_panel();
 			buildings_editor();
@@ -258,9 +279,21 @@ struct GUIListener : public Ogre::RenderTargetListener {
 
 GUIModule::GUIModule(flecs::world &ecs)
 {
-	ecs.component<GUI>().add(flecs::Singleton);
-	ecs.component<GUIData>().add(flecs::Singleton);
-	ecs.set<GUI>({ false, true, false, nullptr });
+	ecs.component<GUI>()
+		.on_add([](GUI &gui) {
+			gui.enabled = false;
+			gui.grab = false;
+			gui.grabChanged = false;
+		})
+		.add(flecs::Singleton);
+	ecs.component<GUIData>()
+		.on_add([](GUIData &priv) {
+			priv.glb_names.clear();
+			priv.mGUIListener = nullptr;
+			priv.mGuiOverlay = nullptr;
+		})
+		.add(flecs::Singleton);
+	ecs.set<GUI>({ false, true, false });
 	ecs.set<GUIData>({ nullptr, {}, nullptr });
 	ui_wait =
 		ecs.system<const RenderWindow, App, GUIData>("SetupGUI")
@@ -275,8 +308,9 @@ GUIModule::GUIModule(flecs::world &ecs)
 					Ogre::OverlayManager::getSingleton()
 						.setPixelRatio(vpScale);
 					std::cout << "GUI configure\n";
-					gui.mGuiOverlay =
-						app.app->initialiseImGui();
+					OgreAssert(app.mGuiOverlay,
+						   "No ImGUI overlay");
+					gui.mGuiOverlay = app.mGuiOverlay;
 					gui.mGuiOverlay->setZOrder(300);
 					gui.mGuiOverlay->show();
 					gui.mGUIListener = new GUIListener();
@@ -299,10 +333,6 @@ GUIModule::GUIModule(flecs::world &ecs)
 							names.begin(),
 							names.end());
 					}
-					ECS::get_mut<ECS::GUI>()
-						.mGuiInpitListener =
-						new OgreBites::
-							ImGuiInputListener();
 					ECS::modified<ECS::GUI>();
 					std::cout << "GUI configure finished\n";
 				}