private static void Init()
{
if (SDL.SDL_Init(SDL.SDL_INIT_VIDEO) != 0)
{
throw new SdlException(nameof(SDL.SDL_Init));
}
if (SDL_ttf.TTF_Init() != 0)
{
throw new SdlException(nameof(SDL_ttf.TTF_Init));
}
_window = SDL.SDL_CreateWindow("Langton`s Ant", 0, 0, 640, 480, SDL.SDL_WindowFlags.SDL_WINDOW_SHOWN);
if (_window == IntPtr.Zero)
{
throw new SdlException(nameof(SDL.SDL_CreateWindow));
}
_renderer = SDL.SDL_CreateRenderer(
_window, -1,
SDL.SDL_RendererFlags.SDL_RENDERER_ACCELERATED | SDL.SDL_RendererFlags.SDL_RENDERER_PRESENTVSYNC);
if (_renderer == IntPtr.Zero)
{
throw new SdlException(nameof(SDL.SDL_CreateRenderer));
}
_font = SDL_ttf.TTF_OpenFont(_fontPath, 14);
KeydownHandler = new KeyHandler();
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_ESCAPE, () => _quit = true);
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_F5, LoadWorld);
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_F2, () => _speed -= 10);
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_F3, () => _speed += 10);
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_F4, () => _speed = 0);
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_z, () => GetWorldRenderer().AddZoom(-10));
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_x, () => GetWorldRenderer().AddZoom(10));
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_c, () => GetWorldRenderer().ResetZoom());
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_RIGHT, () => GetWorldRenderer().MoveZoom(10, 0));
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_UP, () => GetWorldRenderer().MoveZoom(0, -10));
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_LEFT, () => GetWorldRenderer().MoveZoom(-10, 0));
KeydownHandler.Add(SDL.SDL_Keycode.SDLK_DOWN, () => GetWorldRenderer().MoveZoom(0, 10));
}
