Added MainMenuScene

src/ui/managers/MainMenuUIManager.cpp

@@ -0,0 +1,77 @@
+#include "MainMenuUIManager.h"
+#include "utils/CoordinateTools.h"
+MainMenuUIManager::MainMenuUIManager(SDL_Renderer* renderer,
+    TextRenderer* textRenderer,
+    SceneEventCallback eventCallback) {
+    m_renderer = renderer; 
+    m_textRenderer = textRenderer;
+    m_eventCallback = eventCallback;
+}
+
+MainMenuUIManager::~MainMenuUIManager() {
+
+}
+
+void MainMenuUIManager::init() {
+    auto button = std::make_unique<Button>(m_textRenderer);
+    button->setBackgroundColor({0, 150, 255, 255});
+    button->setBorder(2, {0, 0, 0, 255});
+    button->setPosition(650, 430);
+    button->setName("StartButton");
+    button->setText("Start Game", {"SourceHanSansSC-Regular.otf", 64, {255, 255, 255, 255}});
+    button->setCallback([this](){
+        SDL_Log("Start Game button clicked!");
+        m_eventCallback("GameScene");
+    });
+    m_buttons.emplace(button->getNameHash(), std::move(button));
+    auto label = std::make_unique<Label>();
+    label->setPosition(1200, 20);
+    label->setText("0 0", {"SourceHanSansSC-Regular.otf", 48, {0, 0, 0, 255}});
+    label->setName("MousePositionLabel");
+    m_labels.emplace(label->getNameHash(), std::move(label));
+}
+
+void MainMenuUIManager::CollectRenderData() {
+
+    // 清理上一帧的数据
+    m_uiRenderData.buttons.clear();
+    m_uiRenderData.labels.clear();
+
+    for (auto& button : m_buttons) {
+        if(!button.second->isVisible()) {
+            continue;
+    
+        }
+        m_uiRenderData.buttons.push_back(button.second->getButtonDate());
+    }
+
+    for (auto& label : m_labels) {
+        if(!label.second->isVisible()) {
+            continue;
+    
+        }
+        m_uiRenderData.labels.push_back(label.second->getLabelDate());
+    }
+}
+
+void MainMenuUIManager::UpdateMousePositon(float x, float y) {
+    auto logicalPos = physicalToLogical(static_cast<float>(x), static_cast<float>(y), m_renderer);
+    int lx = logicalPos.first;
+    int ly = logicalPos.second;
+    std::string pos = std::to_string(lx) + " " + std::to_string(ly);
+    
+    m_labels[makeHash("MousePositionLabel")]->setText(pos);
+}
+
+const UIRenderData& MainMenuUIManager::getUIRenderData() {
+    CollectRenderData();
+    return m_uiRenderData;
+}
+
+void MainMenuUIManager::handleClick(float x, float y) {
+    auto logicPos = physicalToLogical(x, y, m_renderer);
+    for (auto& buttonPair : m_buttons) {
+        SDL_Log("Handling click at logical position (%d, %d)\n", logicPos.first, logicPos.second);
+        buttonPair.second->handleCilck(logicPos.first, logicPos.second);
+    }
+}

src/ui/managers/MainMenuUIManager.h

@@ -0,0 +1,30 @@
+#pragma once
+#include "ui/base/IUIManager.h"
+
+class TextRenderer;
+
+class MainMenuUIManager : public IUIManager {
+public: 
+
+    using SceneEventCallback = std::function<void(const std::string&)>;
+    MainMenuUIManager(SDL_Renderer* renderer,
+        TextRenderer* textRenderer,
+        SceneEventCallback eventCallback
+    );
+    ~MainMenuUIManager();
+
+    void init() override;
+
+    const UIRenderData& getUIRenderData() override;
+    
+    void CollectRenderData() override;
+
+    void UpdateMousePositon(float x, float y) override;
+
+    void handleClick(float x, float y);
+    
+private:
+    SceneEventCallback m_eventCallback;
+
+    
+};