func main() { log.SetFlags(0) var resourcePath string { GOPATH := os.Getenv("GOPATH") if GOPATH == "" { log.Fatal("No such environment variable: GOPATH") } for _, gopath := range strings.Split(GOPATH, ":") { a := gopath + "/src/github.com/0xe2-0x9a-0x9b/Go-SDL/sdl-test" _, err := os.Stat(a) if err == nil { resourcePath = a break } } if resourcePath == "" { log.Fatal("Failed to find resource directory") } } var joy *sdl.Joystick if sdl.Init(sdl.INIT_EVERYTHING) != 0 { log.Fatal(sdl.GetError()) } if ttf.Init() != 0 { log.Fatal(sdl.GetError()) } if sdl.NumJoysticks() > 0 { // Open joystick joy = sdl.JoystickOpen(0) if joy != nil { println("Opened Joystick 0") println("Name: ", sdl.JoystickName(0)) println("Number of Axes: ", joy.NumAxes()) println("Number of Buttons: ", joy.NumButtons()) println("Number of Balls: ", joy.NumBalls()) } else { println("Couldn't open Joystick!") } } if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT, mixer.DEFAULT_CHANNELS, 4096) != 0 { log.Fatal(sdl.GetError()) } var screen = sdl.SetVideoMode(640, 480, 32, sdl.RESIZABLE) if screen == nil { log.Fatal(sdl.GetError()) } var video_info = sdl.GetVideoInfo() println("HW_available = ", video_info.HW_available) println("WM_available = ", video_info.WM_available) println("Video_mem = ", video_info.Video_mem, "kb") sdl.EnableUNICODE(1) sdl.WM_SetCaption("Go-SDL SDL Test", "") image := sdl.Load(resourcePath + "/test.png") if image == nil { log.Fatal(sdl.GetError()) } sdl.WM_SetIcon(image, nil) running := true font := ttf.OpenFont(resourcePath+"/Fontin Sans.otf", 72) if font == nil { log.Fatal(sdl.GetError()) } font.SetStyle(ttf.STYLE_UNDERLINE) white := sdl.Color{255, 255, 255, 0} text := ttf.RenderText_Blended(font, "Test (with music)", white) music := mixer.LoadMUS(resourcePath + "/test.ogg") sound := mixer.LoadWAV(resourcePath + "/sound.ogg") if music == nil || sound == nil { log.Fatal(sdl.GetError()) } music.PlayMusic(-1) if sdl.GetKeyName(270) != "[+]" { log.Fatal("GetKeyName broken") } worm_in := make(chan Point) draw := make(chan Point, 64) var out chan Point var in chan Point out = worm_in in = out out = make(chan Point) go worm(in, out, draw) ticker := time.NewTicker(time.Second / 50) // 50 Hz // Note: The following SDL code is highly ineffective. // It is eating too much CPU. If you intend to use Go-SDL, // you should to do better than this. for running { select { case <-ticker.C: screen.FillRect(nil, 0x302019) screen.Blit(&sdl.Rect{0, 0, 0, 0}, text, nil) loop: for { select { case p := <-draw: screen.Blit(&sdl.Rect{int16(p.x), int16(p.y), 0, 0}, image, nil) case <-out: default: break loop } } var p Point sdl.GetMouseState(&p.x, &p.y) worm_in <- p screen.Flip() case _event := <-sdl.Events: switch e := _event.(type) { case sdl.QuitEvent: running = false case sdl.KeyboardEvent: println("") println(e.Keysym.Sym, ": ", sdl.GetKeyName(sdl.Key(e.Keysym.Sym))) if e.Keysym.Sym == sdl.K_ESCAPE { running = false } fmt.Printf("%04x ", e.Type) for i := 0; i < len(e.Pad0); i++ { fmt.Printf("%02x ", e.Pad0[i]) } println() fmt.Printf("Type: %02x Which: %02x State: %02x Pad: %02x\n", e.Type, e.Which, e.State, e.Pad0[0]) fmt.Printf("Scancode: %02x Sym: %08x Mod: %04x Unicode: %04x\n", e.Keysym.Scancode, e.Keysym.Sym, e.Keysym.Mod, e.Keysym.Unicode) case sdl.MouseButtonEvent: if e.Type == sdl.MOUSEBUTTONDOWN { println("Click:", e.X, e.Y) in = out out = make(chan Point) go worm(in, out, draw) sound.PlayChannel(-1, 0) } case sdl.JoyAxisEvent: println("Joystick Axis Event ->", "Type", e.Type, "Axis:", e.Axis, " Value:", e.Value, "Which:", e.Which) case sdl.JoyButtonEvent: println("Joystick Button Event ->", e.Button) println("State of button", e.Button, "->", joy.GetButton(int(e.Button))) case sdl.ResizeEvent: println("resize screen ", e.W, e.H) screen = sdl.SetVideoMode(int(e.W), int(e.H), 32, sdl.RESIZABLE) if screen == nil { log.Fatal(sdl.GetError()) } } } } // Close if opened if sdl.JoystickOpened(0) > 0 { joy.Close() } image.Free() music.Free() font.Close() ttf.Quit() sdl.Quit() }
func main() { runtime.LockOSThread() if sdl.Init(sdl.INIT_EVERYTHING) != 0 { log.Fatal(sdl.GetError()) } var screen = sdl.SetVideoMode(screenWidth, screenHeight, 32, sdl.OPENGL|sdl.HWSURFACE|sdl.GL_DOUBLEBUFFER|sdl.FULLSCREEN) if screen == nil { log.Fatal(sdl.GetError()) } sdl.WM_SetCaption("Lecture Hall Games", "") sdl.EnableUNICODE(1) if gl.Init() != 0 { log.Fatal("could not initialize OpenGL") } gl.Viewport(0, 0, int(screen.W), int(screen.H)) gl.ClearColor(1, 1, 1, 0) gl.Clear(gl.COLOR_BUFFER_BIT) gl.MatrixMode(gl.PROJECTION) gl.LoadIdentity() gl.Ortho(0, float64(screen.W), float64(screen.H), 0, -1.0, 1.0) gl.Disable(gl.LIGHTING) gl.Disable(gl.DEPTH_TEST) gl.TexEnvi(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE) if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT, mixer.DEFAULT_CHANNELS, 4096) != 0 { log.Fatal(sdl.GetError()) } if ttf.Init() != 0 { log.Fatal(sdl.GetError()) } if p, err := build.Default.Import(basePkg, "", build.FindOnly); err == nil { os.Chdir(p.Dir) } var err error rand.Seed(time.Now().UnixNano()) levelDir := fmt.Sprintf("data/levels/demolevel%d", 3+rand.Intn(numberLevels)) //carsDir := fmt.Sprintf(" data/cars/car%d/", 1+rand.Intn(numberCars)) if game, err = NewRacer(levelDir); err != nil { log.Fatal(err) } go func() { listen, err := net.Listen("tcp", ":8001") if err != nil { log.Fatal(err) } for { conn, err := listen.Accept() if err != nil { log.Println(err) continue } go handleConnection(conn) } }() running := true last := time.Now() for running { select { case event := <-sdl.Events: switch e := event.(type) { case sdl.QuitEvent: running = false case sdl.ResizeEvent: screen = sdl.SetVideoMode(int(e.W), int(e.H), 32, sdl.RESIZABLE) case sdl.KeyboardEvent: if e.Type == sdl.KEYDOWN { if e.Keysym.Sym == sdl.K_ESCAPE { running = false } else { game.KeyPressed(e.Keysym) } } } default: } current := time.Now() t := current.Sub(last) last = current mu.Lock() game.Update(t) game.Render(screen) mu.Unlock() sdl.GL_SwapBuffers() } sdl.Quit() }