func main() {
// Handle options
help := flag.Bool("help", false, "Show usage")
verbose := flag.Bool("verbose", false, "Verbose output")
fullscreen := flag.Bool("fullscreen", false, "Go fullscreen!")
bgImage := flag.String("bg-image", "", "Background image file")
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "shell - A system shell based on CLIngon (Command Line INterface for Go Nerds\n\n")
fmt.Fprintf(os.Stderr, "Usage:\n\n")
fmt.Fprintf(os.Stderr, "\tshell [options] <fontfile> \n\n")
fmt.Fprintf(os.Stderr, "Options are:\n\n")
flag.PrintDefaults()
}
flag.Parse()
if *help == true {
flag.Usage()
return
}
if len(flag.Args()) < 1 {
flag.Usage()
return
}
config := configuration{
verbose: *verbose,
fullscreen: *fullscreen,
bgImage: *bgImage,
consoleX: 40,
consoleY: 40,
consoleW: 560,
consoleH: 400,
animationLength: ANIMATION_LENGTH,
}
r := initialize(&config)
y_channel := make(chan int16)
running := true
// Have to start this *before* printing to the console,
// because the printing will cause some messages to be sent to 'sdlrenderer.UpdatedRectsCh()'
go func() {
var y int16 = config.consoleY
for running {
select {
case newY := <-y_channel:
y = newY
r.render(nil, y)
case rects := <-sdlrenderer.UpdatedRectsCh():
r.render(rects, y)
}
}
}()
var console *clingon.Console = clingon.NewConsole(&ShellEvaluator{})
console.SetRenderer(r.sdlRenderer)
y_channel <- config.consoleY
console.Print(greetingText)
console.SetPrompt("shell:$ ")
var anim *clingon.Animation = nil
var animValueCh <-chan float64 = nil
toggleAnimation := false
for running {
select {
case event := <-sdl.Events:
switch e := event.(type) {
case sdl.QuitEvent:
running = false
case sdl.MouseMotionEvent:
var y int
state := sdl.GetRelativeMouseState(nil, &y)
if state == 1 {
if y < 0 {
sdlrenderer.EventCh() <- clingon.Cmd_Scroll{clingon.SCROLL_UP}
} else if y > 0 {
sdlrenderer.EventCh() <- clingon.Cmd_Scroll{clingon.SCROLL_DOWN}
}
}
case sdl.KeyboardEvent:
keyName := sdl.GetKeyName(sdl.Key(e.Keysym.Sym))
if config.verbose {
fmt.Printf("\n")
fmt.Printf("%v: %v", e.Keysym.Sym, ": ", keyName)
fmt.Printf("%04x ", e.Type)
for i := 0; i < len(e.Pad0); i++ {
fmt.Printf("%02x ", e.Pad0[i])
}
fmt.Printf("\n")
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)
}
if (keyName == "escape") && (e.Type == sdl.KEYDOWN) {
running = false
} else if (keyName == "f10") && (e.Type == sdl.KEYDOWN) {
if anim != nil {
anim.Terminate()
<-anim.FinishedCh()
anim = nil
}
toggleAnimation = !toggleAnimation
slidingDistance := int16(r.appSurface.H) - config.consoleY
anim = clingon.NewSliderAnimation(config.animationLength, float64(slidingDistance))
animValueCh = anim.ValueCh()
anim.Start()
} else if (keyName == "page up") && (e.Type == sdl.KEYDOWN) {
sdlrenderer.EventCh() <- clingon.Cmd_Scroll{clingon.SCROLL_UP}
} else if (keyName == "page down") && (e.Type == sdl.KEYDOWN) {
sdlrenderer.EventCh() <- clingon.Cmd_Scroll{clingon.SCROLL_DOWN}
} else if (keyName == "up") && (e.Type == sdl.KEYDOWN) {
console.PutReadline(clingon.HISTORY_PREV)
} else if (keyName == "down") && (e.Type == sdl.KEYDOWN) {
console.PutReadline(clingon.HISTORY_NEXT)
} else if (keyName == "left") && (e.Type == sdl.KEYDOWN) {
console.PutReadline(clingon.CURSOR_LEFT)
} else if (keyName == "right") && (e.Type == sdl.KEYDOWN) {
console.PutReadline(clingon.CURSOR_RIGHT)
} else {
unicode := e.Keysym.Unicode
if unicode > 0 {
console.PutUnicode(unicode)
}
}
}
case value := <-animValueCh:
var y float64
if toggleAnimation {
y = 40 + value
} else {
y = float64(r.appSurface.H) - value
}
y_channel <- int16(y)
}
} // End of "for running"
sdl.Quit()
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
screen := sdl.SetVideoMode(640, 480, 32, sdl.SWSURFACE)
if screen == nil {
panic(sdl.GetError())
}
sdl.WM_SetCaption("Hello World", "test.png")
message := load_image("hello.bmp")
background := load_image("background.bmp")
apply_surface(0, 0, background, screen)
apply_surface(320, 0, background, screen)
apply_surface(0, 240, background, screen)
apply_surface(320, 240, background, screen)
apply_surface(180, 140, message, screen)
message.Free()
background.Free()
screen.Flip()
sdl.Delay(2000)
}
func main() {
if sdl.Init(sdl.INIT_VIDEO) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
screen := sdl.SetVideoMode(400, 300, 32, 0)
if screen == nil {
panic(sdl.GetError())
}
sdl.WM_SetCaption("Template", "")
ticker := time.NewTicker(1e9 / 2 /*2 Hz*/)
loop:
for {
select {
case <-ticker.C:
// Note: For better efficiency, use UpdateRects instead of Flip
screen.FillRect(nil /*color*/, rand.Uint32())
//screen.Blit(&sdl.Rect{x,y, 0, 0}, image, nil)
screen.Flip()
case event := <-sdl.Events:
fmt.Printf("%#v\n", event)
switch event.(type) {
case sdl.QuitEvent:
break loop
}
}
}
}
func main() {
initialWidth, initialHeight := 1280, 720
runtime.LockOSThread()
if sdlInit := sdl.Init(sdl.INIT_VIDEO); sdlInit != 0 {
panic("SDL init error")
}
reinitScreen(initialWidth, initialHeight)
defer cleanExit(true, false)
if err := gl.Init(); err != nil {
panic(err)
}
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Enable(gl.DEPTH)
defer cleanExit(false, true)
glSetupShaderProg(&shaderTextureCreator, false)
glSetupShaderProg(&shaderTextureDisplay, true)
glFillBuffer(rttVerts, &rttVertBuf)
glFillBuffer(dispVerts, &dispVertBuf)
gl.GenTextures(1, &rttFrameTex)
gl.BindTexture(gl.TEXTURE_2D, rttFrameTex)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
if doRtt {
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, texSize, texSize, 0, gl.RGBA, gl.UNSIGNED_BYTE, nil)
gl.GenFramebuffers(1, &rttFrameBuf)
gl.BindFramebuffer(gl.FRAMEBUFFER, rttFrameBuf)
gl.FramebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, rttFrameTex, 0)
gl.BindFramebuffer(gl.FRAMEBUFFER, 0)
} else {
glFillTextureFromImageFile("texture.jpg")
}
gl.BindTexture(gl.TEXTURE_2D, 0)
gl.ClearColor(0.3, 0.6, 0.9, 1)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.ActiveTexture(gl.TEXTURE0)
for {
if evt := sdl.PollEvent(); evt != nil {
switch event := evt.(type) {
case *sdl.ResizeEvent:
reinitScreen(int(event.W), int(event.H))
case *sdl.QuitEvent:
return
}
} else {
if doRtt {
renderToTexture()
}
renderToScreen()
sdl.GL_SwapBuffers()
}
}
sdl.Quit()
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
screen := sdl.SetVideoMode(640, 480, 32, sdl.SWSURFACE)
if screen == nil {
panic(sdl.GetError())
}
hello := sdl.Load("hello.bmp")
screen.Blit(nil, hello, nil)
screen.Flip()
sdl.Delay(2000)
hello.Free()
}
func main() {
verbose := flag.Bool("verbose", false, "verbose mode")
debug := flag.Bool("debug", false, "debug mode")
fullScreen := flag.Bool("fullscreen", false, "go fullscreen")
help := flag.Bool("help", false, "Show usage")
flag.Usage = usage
flag.Parse()
if *help {
usage()
return
}
application.Verbose = *verbose
application.Debug = *debug
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
log.Fatal(sdl.GetError())
}
screen := newSDL2xScreen(*fullScreen)
sdlLoop := newSDLLoop(screen)
emulatorLoop := newEmulatorLoop(sdlLoop)
if emulatorLoop == nil {
usage()
return
}
commandLoop := newCommandLoop(emulatorLoop, sdlLoop)
inputLoop := newInputLoop(emulatorLoop.sms)
application.Register("Emulator loop", emulatorLoop)
application.Register("Command loop", commandLoop)
application.Register("SDL render loop", sdlLoop)
application.Register("SDL input loop", inputLoop)
exitCh := make(chan bool)
application.Run(exitCh)
<-exitCh
sdl.Quit()
}
func Draw_Stop() {
surface.Free()
surfaceb.Free()
screen.Free()
sdl.Quit()
}
func (v *Video) Close() {
sdl.Quit()
}
func main() {
runtime.LockOSThread()
flag.Parse()
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)
if sdl.SetVideoMode(640, 480, 32, sdl.OPENGL) == nil {
panic("sdl error")
}
sdl.WM_SetCaption("Gotris", "Gotris")
sdl.EnableKeyRepeat(250, 45)
gl.Enable(gl.TEXTURE_2D)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Viewport(0, 0, 640, 480)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 640, 480, 0, -1, 1)
gl.ClearColor(0, 0, 0, 0)
//-----------------------------------------------------------------------------
font, err := LoadFontFromFile("dejavu.font")
if err != nil {
panic(err)
}
rand.Seed(int64(sdl.GetTicks()))
gs := NewGameSession(*initLevel, font)
lastTime := sdl.GetTicks()
ticker := time.NewTicker(10 * time.Millisecond)
stop := make(chan byte, 1)
go func() {
for {
switch e := (<-sdl.Events).(type) {
case sdl.QuitEvent:
stop <- 0
case sdl.KeyboardEvent:
if e.Type == sdl.KEYDOWN {
running := gs.HandleKey(e.Keysym.Sym)
if !running {
stop <- 0
}
gs.update <- 0
}
}
}
}()
loop:
for {
select {
case <-ticker.C:
gs.update <- 0
case <-gs.update:
now := sdl.GetTicks()
delta := now - lastTime
lastTime = now
gs.Update(delta)
gl.Clear(gl.COLOR_BUFFER_BIT)
font.Draw(5, 5, fmt.Sprintf("Level: %d | Score: %d", gs.Level, gs.Score))
gs.Draw()
gl.Color3ub(255, 255, 255)
sdl.GL_SwapBuffers()
case <-stop:
break loop
}
}
}
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 quit_tutorial(code int) {
sdl.Quit()
os.Exit(code)
}
func main() {
sdl.Init(sdl.INIT_VIDEO)
screen = sdl.SetVideoMode(300, 300, 16, sdl.OPENGL|sdl.RESIZABLE)
if !screen {
fprintf(stderr, "Couldn't set 300x300 GL video mode: %s\n", sdl.GetError())
sdl.Quit()
exit(2)
}
sdl.WM_SetCaption("Gears", "gears")
init(argc, argv)
reshape(screen.w, screen.h)
done := false
for !done {
var event sdl.Event
idle()
for sdl.PollEvent(&event) {
switch event.Type {
case sdl.VIDEORESIZE:
screen = sdl.SetVideoMode(event.resize.w, event.resize.h, 16,
sdl.OPENGL|sdl.RESIZABLE)
if screen {
reshape(screen.w, screen.h)
} else {
/* Uh oh, we couldn't set the new video mode?? */
}
break
case sdl.QUIT:
done = true
break
}
}
keys = sdl.GetKeyState(NULL)
if keys[SDLK_ESCAPE] {
done = true
}
if keys[SDLK_UP] {
view_rotx += 5.0
}
if keys[SDLK_DOWN] {
view_rotx -= 5.0
}
if keys[SDLK_LEFT] {
view_roty += 5.0
}
if keys[SDLK_RIGHT] {
view_roty -= 5.0
}
if keys[SDLK_z] {
if sdl.GetModState() & KMOD_SHIFT {
view_rotz -= 5.0
} else {
view_rotz += 5.0
}
}
draw()
}
sdl.Quit()
return 0 /* ANSI C requires main to return int. */
}
// Function main is the main entry point in the program.
func main() {
flag.Parse()
if flag.NArg() < 1 {
fmt.Fprintf(os.Stderr, "Not enough arguments\nusage: %s file.hex\n", os.Args[0])
os.Exit(2)
}
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
if ttf.Init() != 0 {
panic(sdl.GetError())
}
defer ttf.Quit()
rm := resourcemanager.NewResourceManager("github.com/kierdavis/go/k270em")
font := ttf.OpenFont(rm.GetFilename("FreeMono.ttf"), 12)
if font == nil {
panic(sdl.GetError())
}
defer font.Close()
_, _, _, _, fontWidth, errID := font.GlyphMetrics('m')
if errID != 0 {
panic(sdl.GetError())
}
fontHeight := font.Height()
fmt.Printf("h: %d, w: %d\n", fontHeight, fontWidth)
screenHeight := fontHeight * 48
screenWidth := fontWidth * 128
screen := sdl.SetVideoMode(screenWidth, screenHeight, 32, sdl.RESIZABLE)
if screen == nil {
panic(sdl.GetError())
}
sdl.WM_SetCaption("K270 Emulator Display", "")
f, err := os.Open(flag.Arg(0))
die(err)
defer f.Close()
reader := bufio.NewReader(f)
ix, err := ihex.ReadIHex(reader)
die(err)
program := ix.ExtractDataToEnd(0)
em := k270emlib.NewEmulator()
em.SetTraceFile(os.Stdout)
em.SetMemory(program)
running := true
stopRequest := make(chan bool)
vmem := em.GetVideoMemory()
go em.Run()
go func() {
scanTicker := time.NewTicker(time.Second / 24.0) // 24 hz
color := sdl.Color{255, 255, 255, 0}
for {
if !running {
break
}
select {
case <-scanTicker.C:
address := uint16(0)
for y := 0; y < 48; y++ {
chars := make([]byte, 128)
for x := 0; x < 128; x++ {
c := vmem[address].Char
if c == 0 {
c = ' '
}
chars[x] = c
address++
}
surf := ttf.RenderText_Solid(font, string(chars), color)
screen.Blit(&sdl.Rect{0, int16(y * fontHeight), 0, 0}, surf, nil)
}
case <-stopRequest:
return
}
}
}()
ticker := time.NewTicker(time.Second / 24.0) // 24 fps
for running {
select {
case <-ticker.C:
screen.Flip()
case ev := <-sdl.Events:
switch e := ev.(type) {
case sdl.QuitEvent:
running = false
case sdl.KeyboardEvent:
if e.Keysym.Sym == sdl.K_ESCAPE {
running = false
}
case sdl.ResizeEvent:
screen = sdl.SetVideoMode(int(e.W), int(e.H), 32, sdl.RESIZABLE)
if screen == nil {
panic(sdl.GetError())
}
}
}
}
stopRequest <- true
//fmt.Println("Locking...")
em.Mutex.Lock()
//fmt.Println("Locked!")
em.SetRunning(false)
//fmt.Println("Unlocking...")
em.Mutex.Unlock()
//fmt.Println("Unlocked!")
}
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()
}
func main() {
// Use all processors
runtime.GOMAXPROCS(runtime.NumCPU())
// SDL voodoo
if sdl.Init(sdl.INIT_VIDEO) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
if ttf.Init() != 0 {
panic(sdl.GetError())
}
defer ttf.Quit()
screen := sdl.SetVideoMode(640, 480, 32, sdl.ANYFORMAT)
if screen == nil {
panic(sdl.GetError())
}
screen.SetAlpha(sdl.SRCALPHA, 255)
sdl.WM_SetCaption("Connect Four", "")
ticker := time.NewTicker(time.Second / 60 /*60 Hz*/)
// Make some pipes for communicating with the game logic
moveReady := make(chan int)
newState := make(chan c4.State)
nextMove := make(chan int)
gameResults := make(chan c4.Piece)
var winner c4.Piece
var game c4.State
waitingForMove := false
gameOver := false
// Get ready to write text
font := ttf.OpenFont("DroidSans.ttf", 36)
var line1, line2 *sdl.Surface
showMessage := false
// Start a game
startGame := func() {
c4.RunGame(
SDLHuman{moveReady, nextMove},
c4.AlphaBetaAI{
c4.Black,
8,
func(game c4.State, p c4.Piece) float64 {
// Evolved solution:
// return c4.EvalFactors{
// 0.2502943943301069,
// -0.4952316649483701,
// 0.3932539700819625,
// -0.2742452616759889,
// 0.4746881137884282,
// 0.2091091127191147}.Eval(game, p)
// Least mean squares solution after 2 iterations against evolved solution:
return c4.EvalFactors{
0.32386133725050104, 0.5490470895311659, 0.3932539698522742, -0.27424526114286796, 0.4746881136468789, 0.2091091126568151}.Eval(game, p)
},
func(game c4.State) bool {
return game.GetWinner() != c4.None
},
},
NewUpdater(newState),
func(err error) {
fmt.Println(err)
},
func(winner c4.Piece) {
if winner == c4.Red {
gameResults <- c4.Red
} else if winner == c4.Black {
gameResults <- c4.Black
} else {
gameResults <- c4.None
}
})
}
go startGame()
loop:
for {
select {
case <-ticker.C:
screen.FillRect(
&sdl.Rect{0, 0, SCREEN_WIDTH, SCREEN_HEIGHT},
BOARD_COLOR)
for col := 0; col < c4.MaxColumns; col++ {
for row := 0; row < c4.MaxRows; row++ {
drawPiece(screen, col, row, game.GetPiece(col, row))
}
}
if showMessage {
screen.Blit(
&sdl.Rect{
int16(SCREEN_WIDTH/2 - line1.W/2),
int16(SCREEN_HEIGHT/2 - line1.H),
0,
0},
line1,
nil)
screen.Blit(
&sdl.Rect{
int16(SCREEN_WIDTH/2 - line2.W/2),
int16(SCREEN_HEIGHT / 2),
0,
0},
line2,
nil)
}
screen.Flip()
case event := <-sdl.Events:
switch e := event.(type) {
case sdl.MouseButtonEvent:
if waitingForMove &&
e.Type == sdl.MOUSEBUTTONUP &&
e.Button == sdl.BUTTON_LEFT {
waitingForMove = false
nextMove <- int(e.X * c4.MaxColumns / SCREEN_WIDTH)
// Tell user that the AI is thinking now
line1 =
sdl.CreateRGBSurface(0, 0, 0, 32, 0, 0, 0, 0)
line2 =
ttf.RenderText_Blended(font,
"Thinking...",
sdl.Color{255, 255, 255, 0})
showMessage = true
} else if gameOver &&
e.Type == sdl.MOUSEBUTTONUP &&
e.Button == sdl.BUTTON_LEFT {
gameOver = false
showMessage = false
go startGame()
}
case sdl.QuitEvent:
break loop
}
case game = <-newState:
// We did the assignment; there's nothing else to do
case <-moveReady:
waitingForMove = true
showMessage = false
case winner = <-gameResults:
gameOver = true
var message string
if winner == c4.Red {
message = "You win!"
} else if winner == c4.Black {
message = "You lose."
} else {
message = "Draw."
}
line1 =
ttf.RenderText_Blended(font,
message,
sdl.Color{255, 255, 255, 0})
line2 =
ttf.RenderText_Blended(font,
"Click to play again...",
sdl.Color{255, 255, 255, 0})
showMessage = true
}
}
}