app.cpp

#include "App.hpp"

App::App()
    : window(nullptr),
      renderer(nullptr)
{
    running = true;

    init();

    // Main Grid
    int mainGridXPos = screenWidth / 10;
    int mainGridYPos = screenHeight / 10;
    int mainGridWidth = screenWidth / 2;
    int mainGridHeight = screenHeight / 2;
    int mainGridRows = 30;
    int mainGridCols = 20;
    mainGrid = new Grid(mainGridXPos, mainGridYPos, mainGridWidth, mainGridHeight,
                        mainGridRows, mainGridCols);
}                        

void App::init()
{
    // Initialize SDL, Window, and Renderer
    SDL_Log("Initializing SDL...");
    if (SDL_Init(SDL_INIT_VIDEO) != 0)
    {
        std::cerr << "Could not Initialize SDL. Error: " << SDL_GetError() << std::endl;
        return;
    }
    SDL_Log("SDL Initialized Successfully!");

    SDL_Log("Creating a Window...");
    window = SDL_CreateWindow("2D Tile Map Editor", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
                                screenWidth, screenHeight, SDL_WINDOW_SHOWN);
    if (!window)
    {
        std::cerr << "Could not Create Window. Error: " << SDL_GetError() << std::endl;
        SDL_Quit();
        return;
    }
    SDL_Log("Window Created Successfully!");
    
    SDL_Log("Creating a Renderer...");
    renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
    if (!renderer)
    {
        std::cerr << "Could not Create Renderer. Error: " << SDL_GetError() << std::endl;
        SDL_DestroyWindow(window);
        SDL_Quit();
        return;
    }
    SDL_Log("Renderer Created Successfully!");
}

bool App::isRunning()
{
    return running;
}

void App::run()
{
    SDL_Event event;
    while(SDL_PollEvent(&event))
    {
        if(event.type == SDL_QUIT)
        {
            running = false;
        }
    }
    update();
    render();
}

void App::update()
{

}

void App::render()
{
    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
    SDL_RenderClear(renderer);

    // Render Objects here
    mainGrid->render(renderer);

    SDL_RenderPresent(renderer);
}

void App::shutdown()
{
    // Cleanup
    SDL_Log("Destroying Renderer...");
    SDL_DestroyRenderer(renderer);
    SDL_Log("Destroyed Renderer!");
    
    SDL_Log("Destroying Window...");
    SDL_DestroyWindow(window);
    SDL_Log("Destroyed Window!");
    
    SDL_Log("Quitting SDL...");
    SDL_Quit();
    SDL_Log("SDL Quit!");
}