140 lines
3.7 KiB
C++
140 lines
3.7 KiB
C++
#pragma once
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#include <core/string.h>
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#include <core/types.h>
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#include <graphics/render_backend.h>
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#include <platform/window.h>
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#include <memory>
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namespace extra2d {
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// 前向声明
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class Input;
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class AudioEngine;
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class SceneManager;
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class ResourceManager;
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class TimerManager;
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class EventQueue;
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class EventDispatcher;
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class Camera;
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// ============================================================================
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// Application 配置
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// ============================================================================
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enum class PlatformType {
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Auto = 0,
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PC,
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Switch
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};
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struct AppConfig {
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std::string title = "Easy2D Application";
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int width = 800;
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int height = 600;
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bool fullscreen = false;
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bool resizable = true;
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bool vsync = true;
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int fpsLimit = 0;
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BackendType renderBackend = BackendType::OpenGL;
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int msaaSamples = 0;
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PlatformType platform = PlatformType::Auto;
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// 窗口高级配置
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bool enableCursors = true; // 是否启用光标
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bool enableDpiScale = false; // 是否启用DPI缩放
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};
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// ============================================================================
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// Application 单例 - 应用主控
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// ============================================================================
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class Application {
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public:
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// Meyer's 单例
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static Application &instance();
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// 禁止拷贝
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Application(const Application &) = delete;
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Application &operator=(const Application &) = delete;
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// ------------------------------------------------------------------------
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// 生命周期
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// ------------------------------------------------------------------------
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bool init(const AppConfig &config);
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void shutdown();
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void run();
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void quit();
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// ------------------------------------------------------------------------
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// 状态控制
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// ------------------------------------------------------------------------
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void pause();
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void resume();
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bool isPaused() const { return paused_; }
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bool isRunning() const { return running_; }
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// ------------------------------------------------------------------------
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// 子系统访问
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// ------------------------------------------------------------------------
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Window &window() { return *window_; }
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RenderBackend &renderer() { return *renderer_; }
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Input &input();
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AudioEngine &audio();
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SceneManager &scenes();
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ResourceManager &resources();
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TimerManager &timers();
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EventQueue &eventQueue();
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EventDispatcher &eventDispatcher();
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Camera &camera();
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// ------------------------------------------------------------------------
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// 便捷方法
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// ------------------------------------------------------------------------
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void enterScene(Ptr<class Scene> scene);
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void enterScene(Ptr<class Scene> scene, Ptr<class TransitionScene> transitionScene);
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float deltaTime() const { return deltaTime_; }
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float totalTime() const { return totalTime_; }
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int fps() const { return currentFps_; }
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// 获取配置
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const AppConfig &getConfig() const { return config_; }
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private:
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Application() = default;
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~Application();
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void mainLoop();
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void update();
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void render();
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void prewarmObjectPools();
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// 配置
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AppConfig config_;
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// 子系统
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UniquePtr<Window> window_;
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UniquePtr<RenderBackend> renderer_;
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UniquePtr<SceneManager> sceneManager_;
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UniquePtr<ResourceManager> resourceManager_;
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UniquePtr<TimerManager> timerManager_;
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UniquePtr<EventQueue> eventQueue_;
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UniquePtr<EventDispatcher> eventDispatcher_;
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UniquePtr<Camera> camera_;
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// 状态
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bool initialized_ = false;
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bool running_ = false;
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bool paused_ = false;
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bool shouldQuit_ = false;
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// 时间
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float deltaTime_ = 0.0f;
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float totalTime_ = 0.0f;
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double lastFrameTime_ = 0.0;
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int frameCount_ = 0;
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float fpsTimer_ = 0.0f;
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int currentFps_ = 0;
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};
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} // namespace extra2d
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