104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
# pragma once
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# include <imgui.h>
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# include <string>
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# include <memory>
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# include <map>
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# include <vector>
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struct WindowState
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{
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int x = -1;
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int y = -1;
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int width = 1440;
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int height = 800;
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int monitor = 0;
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bool maximized = false;
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};
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struct ArgValue
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{
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enum class Type { Empty, Bool, Int, Double, String };
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Type Type = Type::Empty;
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bool Bool = false;
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long long Int = 0;
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double Double = 0.0;
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std::string String;
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ArgValue() = default;
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ArgValue(bool value) : Type(Type::Bool), Bool(value) {}
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ArgValue(int value) : Type(Type::Int), Int(value) {}
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ArgValue(long long value) : Type(Type::Int), Int(value) {}
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ArgValue(float value) : Type(Type::Double), Double(value) {}
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ArgValue(double value) : Type(Type::Double), Double(value) {}
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ArgValue(const char* value) : Type(Type::String), String(value) {}
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ArgValue(std::string value) : Type(Type::String), String(std::move(value)) {}
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};
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using ArgsMap = std::map<std::string, ArgValue>;
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struct Platform;
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struct Renderer;
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struct Application
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{
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Application(const char* name);
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Application(const char* name, const ArgsMap& args);
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~Application();
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bool Create(int width = -1, int height = -1);
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int Run();
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void SetTitle(const char* title);
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bool Close();
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void Quit();
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const std::string& GetName() const;
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ImFont* DefaultFont() const;
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ImFont* HeaderFont() const;
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ImTextureID LoadTexture(const char* path);
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ImTextureID CreateTexture(const void* data, int width, int height);
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void DestroyTexture(ImTextureID texture);
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int GetTextureWidth(ImTextureID texture);
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int GetTextureHeight(ImTextureID texture);
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bool TakeScreenshot(const char* filename = nullptr);
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bool SaveWindowState();
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bool LoadWindowState();
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virtual void OnStart() {}
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virtual void OnStop() {}
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virtual void OnFrame(float deltaTime) {}
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virtual ImGuiWindowFlags GetWindowFlags() const;
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virtual bool CanClose() { return true; }
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protected:
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ArgsMap m_Args; // CLI arguments (accessible to derived classes)
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private:
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void RecreateFontAtlas();
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void Frame();
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std::string m_Name;
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std::string m_IniFilename;
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std::string m_WindowStateFilename;
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std::unique_ptr<Platform> m_Platform;
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std::unique_ptr<Renderer> m_Renderer;
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ImGuiContext* m_Context = nullptr;
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ImFont* m_DefaultFont = nullptr;
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ImFont* m_HeaderFont = nullptr;
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WindowState m_WindowState;
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};
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extern Application* g_Application;
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int Main(const ArgsMap& args); |