Initial commit: wowee native WoW 3.3.5a client

include/ui/ui_manager.hpp

@@ -0,0 +1,84 @@
+#pragma once
+
+#include "ui/auth_screen.hpp"
+#include "ui/realm_screen.hpp"
+#include "ui/character_screen.hpp"
+#include "ui/game_screen.hpp"
+#include <memory>
+
+// Forward declare SDL_Event
+union SDL_Event;
+
+namespace wowee {
+
+// Forward declarations
+namespace core { class Window; enum class AppState; }
+namespace auth { class AuthHandler; }
+namespace game { class GameHandler; }
+
+namespace ui {
+
+/**
+ * UIManager - Manages all UI screens and ImGui rendering
+ *
+ * Coordinates screen transitions and rendering based on application state
+ */
+class UIManager {
+public:
+    UIManager();
+    ~UIManager();
+
+    /**
+     * Initialize ImGui and UI screens
+     * @param window Window instance for ImGui initialization
+     */
+    bool initialize(core::Window* window);
+
+    /**
+     * Shutdown ImGui and cleanup
+     */
+    void shutdown();
+
+    /**
+     * Update UI state
+     * @param deltaTime Time since last frame in seconds
+     */
+    void update(float deltaTime);
+
+    /**
+     * Render UI based on current application state
+     * @param appState Current application state
+     * @param authHandler Authentication handler reference
+     * @param gameHandler Game handler reference
+     */
+    void render(core::AppState appState, auth::AuthHandler* authHandler, game::GameHandler* gameHandler);
+
+    /**
+     * Process SDL event for ImGui
+     * @param event SDL event to process
+     */
+    void processEvent(const SDL_Event& event);
+
+    /**
+     * Get screen instances for callback setup
+     */
+    AuthScreen& getAuthScreen() { return *authScreen; }
+    RealmScreen& getRealmScreen() { return *realmScreen; }
+    CharacterScreen& getCharacterScreen() { return *characterScreen; }
+    GameScreen& getGameScreen() { return *gameScreen; }
+
+private:
+    core::Window* window = nullptr;
+
+    // UI Screens
+    std::unique_ptr<AuthScreen> authScreen;
+    std::unique_ptr<RealmScreen> realmScreen;
+    std::unique_ptr<CharacterScreen> characterScreen;
+    std::unique_ptr<GameScreen> gameScreen;
+
+    // ImGui state
+    bool imguiInitialized = false;
+};
+
+} // namespace ui
+} // namespace wowee