#main.nim
import sdl2, sdl2/image
import entity

discard sdl2.init(INIT_EVERYTHING)

var
    window = sdl2.createWindow("Test", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
        640, 480, SDL_WINDOW_SHOWN)
    renderer = sdl2.createRenderer(window, -1, Renderer_Accelerated or Renderer_PresentVsync)
    e = sdl2.defaultEvent
    runGame = true
    screenWidth = 640
    screenHeight = 640
    player = newEntity()

var
    textureName: cstring = "test.png"
    bmpTexture = loadTexture(renderer, "test.bmp")
    pngTexture = loadTexture(renderer, "test.png")
    jpgTexture = loadTexture(renderer, "test.jpg")
    destRect: Rect
    x,y,w,h: cint = 50


if bmpTexture == nil:
    echo "Can't load bmp"
if pngTexture == nil:
    echo "Can't load png"
if jpgTexture == nil:
    echo "Can't load jpg"

#reading the file with readFile works!
var testfile = readFile("test.png")
echo testfile

destRect = (x, y, w, h)

var
    pngSurface = load(textureName)
    newPngTexture = createTextureFromSurface(renderer, pngSurface)

if pngSurface == nil:
    echo "Can't load pngSurface"
if newPngTexture == nil:
    echo "Can't load newPngTexture"

while runGame:
    while sdl2.pollEvent(e):
        if e.kind == QuitEvent:
            runGame = false
            break

    renderer.setDrawColor 0, 0, 0, 255
    renderer.clear()
    renderer.copy(bmpTexture, nil, addr destRect)
    renderer.present()