Application.h

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/*
MIT License
 
Copyright (c) 2023 Víctor Falcón Zaro
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
 
#pragma once
 
#include "Renderer/GraphicsAPI.h"
#include "ECS/Scene.h"
 
namespace Raito::Core 
{
    struct ApplicationInfo
    {
        std::string Name = "Raito - App"; 
        u32 Width = 1280; 
        u32 Height = 720; 
        Renderer::API GraphicsAPI = Renderer::API::NONE; 
        bool Fullscreen = false; 
    };
 
 
    class Application
    {
    public:
        static Application& Get() { return *s_Application; }
 
        virtual ~Application() = default;
 
        DISABLE_MOVE_AND_COPY(Application)
 
        
        bool Initialize();
 
        bool Update();
 
        void Shutdown();
 
        /*
        *  Puts a flag for the application to be call Shutdown() 
        *  Reminder: It always completes the EndTimeUpdate() call before shutting down the application
        */
        void Close() { m_Running = false; }
 
    public:
        // Test scene
        ECS::Scene Scene{};
 
    protected:
 
        virtual bool OnInit() { return true; }
 
        virtual bool OnRenderGUI() { return true; }
 
        virtual bool OnUpdate() { return true; }
 
        virtual void OnShutdown() {}
 
        Application() = default;
 
        bool m_Running = false; 
    private:
        
 
        inline static Application* s_Application = nullptr; 
        ApplicationInfo m_Info{}; 
        friend int RunApp(Application& app, ApplicationInfo info, int argc, char** argv);
    };
    int RunApp(Application& app, ApplicationInfo info, int argc, char** argv); 
}
 
#ifndef DIST
#define CREATE_AND_RUN(app_class, app_info)                     \
    int main(int argc, char** argv)                             \
    {                                                           \
        app_class app{};                                        \
        return Raito::Core::RunApp(app, app_info, argc, argv);  \
    }
 
#else
 
#define CREATE_AND_RUN(app_class, app_info)                                                                                 \
    INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR lpCmdLine, INT nCmdShow)                          \
    {                                                                                                                       \
        app_class app{};                                                                                                    \
        return Raito::Core::RunApp(app, app_info, __argc, __argv);                                                          \
    }
 
#endif