Added MainMenuScene

src/scenes/menu/MainMenuScene.cpp

@@ -0,0 +1,69 @@
+#include "MainMenuScene.h"
+
+MainMenuScene::MainMenuScene() {
+    // 构造函数实现
+}
+
+void MainMenuScene::onEnter(SDL_Renderer* renderer, int width, int height, UIRenderer* uiRenderer) {
+    // 进入场景时的初始化逻辑
+    m_renderer = renderer;
+    m_uiRenderer = uiRenderer;
+    m_mainMenuUIManager = std::make_unique<MainMenuUIManager>(
+        renderer,
+        uiRenderer->getTextRenderer(),
+        [this](const std::string& sceneName) {
+            if (m_eventCallback) {
+                SceneEvent event{SceneEventType::ChangeScene, sceneName};
+                m_eventCallback(event);
+            }
+        }
+    );
+    m_mainMenuUIManager->init();
+}
+
+void MainMenuScene::onExit() {
+    // 退出场景时的清理逻辑
+    m_mainMenuUIManager.reset();
+}
+
+void MainMenuScene::update() {
+    // 更新场景逻辑
+}
+
+void MainMenuScene::render() {
+    beginFrame();
+    // 渲染场景内容
+    const UIRenderData& uiRenderData = m_mainMenuUIManager->getUIRenderData();
+    m_uiRenderer->renderUI(uiRenderData);
+    endFrame();
+}
+
+void MainMenuScene::handleClick(float x, float y) {
+    // 处理点击事件
+    m_mainMenuUIManager->handleClick(x, y);
+}
+
+void MainMenuScene::beginFrame() {
+    // 开始帧渲染的逻辑
+    if (!m_renderer) {
+        SDL_Log("ERROR: Renderer is NULL!\n");
+        return;
+    }
+    // 清屏为白色色背景
+    SDL_SetRenderDrawColor(m_renderer, 255, 255, 255, 255); 
+    SDL_RenderClear(m_renderer);
+    //std::cout << "begin frame\n";
+    
+
+}
+
+void MainMenuScene::endFrame() {
+    // 结束帧渲染的逻辑
+        // 提交到屏幕
+    //std::cout << "end frame\n";
+    SDL_RenderPresent(m_renderer);
+}
+
+void MainMenuScene::renderMousePosition(float x, float y) {
+    m_mainMenuUIManager->UpdateMousePositon(x, y);
+}