window.cpp

#include "header.hpp"

Win *new_window(int width, int height, char *title)
{
    Win *win;
    win = (Win *)calloc(1, sizeof(Win));
    win->width = width;
    win->height = height;
    win->scene.sum = (Color *)calloc(win->width * win->height, sizeof(Color));
    win->pixels = (uint32_t *)calloc(width * height, sizeof(uint32_t));

    win->scene.camera = (Vec3){0, 1.5, 5};

    if (SDL_Init(SDL_INIT_VIDEO) < 0)
    {
        std::cerr << "Error opening window" << std::endl;
        SDL_Quit();
        exit(-1);
    }
    win->window = SDL_CreateWindow(title, 0, 0, width, height, SDL_WINDOW_SHOWN);
    if (win->window == NULL)
    {
        std::cerr << "Error opening window" << std::endl;
        SDL_Quit();
        exit(-1);
    }
    win->renderer = SDL_CreateRenderer(win->window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
    SDL_SetWindowMinimumSize(win->window, width, height);
    SDL_RenderSetLogicalSize(win->renderer, width, height);
    SDL_RenderSetIntegerScale(win->renderer, (SDL_bool)1);
    win->screen_texture = SDL_CreateTexture(win->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STREAMING, width, height);
    return win;
}

void update_window(Win *win)
{
    SDL_UpdateTexture(win->screen_texture, NULL, win->pixels, win->width * 4);
    SDL_RenderCopy(win->renderer, win->screen_texture, NULL, NULL);
    SDL_RenderPresent(win->renderer);
}

void close_window(Win *win)
{
    free(win->pixels);
    for (int i = 0; i < win->scene.pos; i++)
        free(win->scene.objects[i]);
    free(win->scene.objects);
    free(win->scene.sum);
    SDL_DestroyTexture(win->screen_texture);
    SDL_DestroyRenderer(win->renderer);
    SDL_DestroyWindow(win->window);
    SDL_Quit();
}