#include "display.h"

#include <SDL2/SDL.h>
#include <stdio.h>

SDL_Window *window = NULL;
SDL_Renderer *renderer = NULL;

void display_init(void)
{
    if(SDL_Init(SDL_INIT_EVERYTHING))
    {
        printf("Couldn't initialize SDL: %s\n", SDL_GetError());
        return;
    }

    window = SDL_CreateWindow("2D_Engine", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, DISPLAY_WIDTH * RENDER_SCALE, DISPLAY_HEIGHT * RENDER_SCALE, SDL_WINDOW_SHOWN);
    if(!window)
    {
        printf("Couldn't create window : %s\n", SDL_GetError());
        return;
    }

    renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
    if(!renderer)
    {
        printf("Couldn't create renderer : %s\n", SDL_GetError());
        return;
    }
}

void display_update(void)
{
    SDL_RenderPresent(renderer);
}

void display_clear(void)
{
    SDL_SetRenderDrawColor(renderer, C_BLACK);
    SDL_RenderClear(renderer);
}

void display_exit(void)
{
    SDL_DestroyRenderer(renderer);
    SDL_DestroyWindow(window);
    SDL_Quit();
}