162 lines
2.8 KiB
C
162 lines
2.8 KiB
C
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#pragma once
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#include <SDL.h>
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#include <core/service.h>
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#include <string>
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#include <types/base/types.h>
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#include <types/math/size.h>
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#include <types/math/vec2.h>
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#include <types/ptr/ref_counted.h>
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namespace extra2d {
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/**
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* @brief 窗口配置
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*/
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struct WindowCfg {
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std::string title = "Extra2D";
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int32 width = 1280;
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int32 height = 720;
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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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int32 glMajor = 3;
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int32 glMinor = 3;
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};
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/**
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* @brief 窗口事件回调
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*/
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using ResizeCb = Fn<void(int32 w, int32 h)>;
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using CloseCb = Fn<void()>;
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/**
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* @brief 窗口服务
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*
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* 管理 SDL2 窗口和 OpenGL 上下文
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*/
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class WindowSvc : public IService {
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public:
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/**
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* @brief 获取单例实例
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*/
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static WindowSvc &inst();
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const char *name() const override { return "WindowSvc"; }
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int pri() const override { return Pri::System; }
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bool init() override;
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void shutdown() override;
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/**
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* @brief 使用配置创建窗口
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*/
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bool create(const WindowCfg &cfg);
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/**
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* @brief 处理窗口事件
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* @return true 继续运行，false 应退出
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*/
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bool pollEvents();
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/**
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* @brief 交换缓冲区
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*/
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void swapBuffers();
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/**
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* @brief 获取 SDL 窗口句柄
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*/
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SDL_Window *handle() const { return window_; }
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/**
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* @brief 获取 OpenGL 上下文
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*/
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SDL_GLContext glContext() const { return glCtx_; }
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/**
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* @brief 获取窗口尺寸
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*/
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Size getSize() const;
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/**
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* @brief 获取窗口位置
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*/
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Vec2 getPosition() const;
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/**
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* @brief 设置窗口尺寸
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*/
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void setSize(int32 w, int32 h);
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/**
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* @brief 设置窗口标题
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*/
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void setTitle(const std::string &title);
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/**
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* @brief 设置全屏模式
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*/
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void setFullscreen(bool fullscreen);
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/**
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* @brief 检查是否全屏
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*/
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bool isFullscreen() const;
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/**
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* @brief 设置垂直同步
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*/
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void setVsync(bool vsync);
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/**
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* @brief 检查是否垂直同步
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*/
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bool isVsync() const;
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/**
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* @brief 显示/隐藏窗口
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*/
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void setVisible(bool visible);
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/**
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* @brief 检查窗口是否可见
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*/
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bool isVisible() const;
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/**
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* @brief 设置窗口关闭回调
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*/
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void setOnClose(CloseCb cb) { onClose_ = std::move(cb); }
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/**
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* @brief 设置窗口大小改变回调
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*/
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void setOnResize(ResizeCb cb) { onResize_ = std::move(cb); }
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/**
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* @brief 请求关闭窗口
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*/
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void requestClose() { shouldClose_ = true; }
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/**
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* @brief 检查是否应该关闭
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*/
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bool shouldClose() const { return shouldClose_; }
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private:
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WindowSvc() = default;
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SDL_Window *window_ = nullptr;
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SDL_GLContext glCtx_ = nullptr;
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bool shouldClose_ = false;
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bool vsync_ = true;
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CloseCb onClose_;
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ResizeCb onResize_;
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};
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#define WINDOW extra2d::WindowSvc::inst()
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} // namespace extra2d
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