func main() {
if sdl.Init(sdl.INIT_VIDEO) < 0 {
panic("Video initialization failed: " + sdl.GetError())
}
if sdl.EnableKeyRepeat(100, 25) != 0 {
panic("Setting keyboard repeat failed: " + sdl.GetError())
}
videoFlags := sdl.OPENGL // Enable OpenGL in SDL
videoFlags |= sdl.DOUBLEBUF // Enable double buffering
videoFlags |= sdl.HWPALETTE // Store the palette in hardware
// FIXME: this causes segfault.
// videoFlags |= sdl.RESIZABLE // Enable window resizing
surface = sdl.SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, uint32(videoFlags))
if surface == nil {
panic("Video mode set failed: " + sdl.GetError())
}
sdl.GL_SetAttribute(sdl.GL_DOUBLEBUFFER, 1)
initGL()
resizeWindow(SCREEN_WIDTH, SCREEN_HEIGHT)
SetupWorld("data/world.txt")
// wait for events
running := true
isActive := true
for running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.ActiveEvent:
isActive = e.Gain != 0
case *sdl.ResizeEvent:
width, height := int(e.W), int(e.H)
surface = sdl.SetVideoMode(width, height, SCREEN_BPP, uint32(videoFlags))
if surface == nil {
fmt.Println("Could not get a surface after resize:", sdl.GetError())
Quit(1)
}
resizeWindow(width, height)
case *sdl.KeyboardEvent:
if e.Type == sdl.KEYDOWN {
handleKeyPress(e.Keysym)
}
case *sdl.QuitEvent:
running = false
}
}
// draw the scene
if isActive {
drawGLScene(sector1)
}
}
}
func (self *AppStateManager) Setup(state AppState, caption string) {
if *FLAG_profile {
pfile, _ := os.Create("gowar.prof")
pprof.StartCPUProfile(pfile)
}
// Lock, so we got no GL-in-wrong-thread foolery
sdl.Init(sdl.INIT_VIDEO)
self.Screen = sdl.SetVideoMode(800, 600, 32, sdl.OPENGL|sdl.RESIZABLE)
gl.Init()
if self.Screen == nil {
sdl.Quit()
panic("Couldn't set 300x300 GL video mode: " + sdl.GetError() + "\n")
}
sdl.WM_SetCaption(caption, caption)
Setup()
GetViewport().SetScreenSize(float32(self.Screen.W), float32(self.Screen.H))
self.Push(state)
}
func initScreen() {
sdl.Init(sdl.INIT_VIDEO)
const (
resx int = 640
resy int = 480
)
var (
screen = sdl.SetVideoMode(resx, resy, 16, sdl.OPENGL)
)
if screen == nil {
sdl.Quit()
panic("Couldn't set GL video mode: " + sdl.GetError() + "\n")
}
if gl.Init() != 0 {
panic("gl error")
}
gl.MatrixMode(gl.PROJECTION)
//gl.MatrixMode(gl.MODELVIEW)
gl.Viewport(0, 0, int(screen.W), int(screen.H))
gl.LoadIdentity()
gl.Ortho(0, float64(screen.W), float64(screen.H), 0, -1.0, 1.0)
//gl.DepthRange(-1, 1)
gl.ClearColor(0, 0, 0, 0)
gl.Clear(gl.COLOR_BUFFER_BIT)
}
// Wrap the SDL into one single thread
func (s SdlWrap) wrap() {
runtime.LockOSThread()
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic("Unable to init SDL. Cause: " + sdl.GetError())
}
sdl.EnableUNICODE(1)
s.InitDone <- struct{}{}
for {
select {
case t := <-s.Title:
sdl.WM_SetCaption(t, t)
case <-s.Quit:
close(s.Events)
sdl.Quit()
case sz := <-s.Size:
s.Surface <- sdl.SetVideoMode(int(sz.X), int(sz.Y), 32, sdl.HWSURFACE|sdl.DOUBLEBUF|sdl.RESIZABLE)
default:
e := sdl.PollEvent()
if e != nil {
s.Events <- e
}
}
}
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
screen := sdl.SetVideoMode(640, 480, 32, 0)
if screen == nil {
panic(sdl.GetError())
}
sdl.WM_SetCaption("Ohai", "")
sdl.EnableKeyRepeat(20, 20)
fmt.Println("Launching mainloop")
loadTextures()
loadLevel()
gameloop(screen)
}
// Runs everything, calling the methods required to get the game
// running, runs the main loop, and then cleanly exits.
func (g *game) run() (err error) {
err = g.load()
if err != nil {
return
}
defer g.quit()
if sdl.Init(sdl.INIT_EVERYTHING) < 0 {
return errors.New(sdl.GetError())
}
defer sdl.Quit()
g.screen = sdl.SetVideoMode(640, 480, 32, sdl.DOUBLEBUF)
if g.screen == nil {
return errors.New(sdl.GetError())
}
sdl.WM_SetCaption(WinCap, "")
err = g.main()
if err != nil {
return
}
return
}
func NewSurface(height int, width int) (surface *sdl.Surface) {
surface = sdl.SetVideoMode(height, width, 32, 0)
if surface == nil {
panic(sdl.GetError())
}
return
}
func (c *Screen) setSurface(w, h int) error {
log.Printf("setSurface to %dx%d", w, h)
if opt.fullscreen {
c.surface = sdl.SetVideoMode(w, h, 32, sdl.FULLSCREEN)
} else {
c.surface = sdl.SetVideoMode(w, h, 32, sdl.RESIZABLE)
}
if c.surface == nil {
errMsg := fmt.Sprintf("sdl: failed to set video to %dx%d: %s",
w, h, sdl.GetError())
return errors.New(errMsg)
}
c.w, c.h = uint16(w), uint16(h)
c.DisplayScript(c.currScript)
return nil
}
func resize(screen *sdl.Surface, e *sdl.ResizeEvent) {
screen = sdl.SetVideoMode(int(e.W), int(e.H), 16,
sdl.OPENGL|sdl.RESIZABLE)
if screen != nil {
reshape(int(screen.W), int(screen.H))
} else {
panic("Couldn't set the new video mode??")
}
}
func main() {
var done bool
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(300, 300, 18, sdl.OPENGL|sdl.RESIZABLE)
if screen == nil {
sdl.Quit()
panic("Couldn't set 300x300 GL video mode: " + sdl.GetError() + "\n")
}
gl.Init()
//if gl.Init() != nil {
//panic("gl error")
//}
init_()
reshape(int32(screen.W), int32(screen.H))
done = false
for !done {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch e.(type) {
case *sdl.ResizeEvent:
re := e.(*sdl.ResizeEvent)
screen = sdl.SetVideoMode(int(re.W), int(re.H), 16,
sdl.OPENGL|sdl.RESIZABLE)
if screen != nil {
reshape(int32(screen.W), int32(screen.H))
} else {
panic("we couldn't set the new video mode??")
}
break
case *sdl.QuitEvent:
done = true
break
}
}
done = key_handler()
draw()
}
sdl.Quit()
return
}
func init() {
sdl.Init(sdl.INIT_VIDEO)
screen := sdl.SetVideoMode(320, 200, 32, sdl.OPENGL)
if screen == nil {
panic("Couldn't set video mode: " + sdl.GetError() + "\n")
}
if err := gl.Init(); err != 0 {
panic("glInit error")
}
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
if ttf.Init() != 0 {
panic(sdl.GetError())
}
var screen = sdl.SetVideoMode(1400, 300, 32, 0)
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)
font := ttf.OpenFont("euler.otf", 24)
if font == nil {
panic(sdl.GetError())
}
black := sdl.Color{0, 0, 0, 0}
text := ttf.RenderUTF8_Blended(font, "!!", black)
fmt.Println(text.Bounds())
sdl.WM_SetCaption("Go-SDL SDL Test", "")
running := true
num := NewNumberShower("b+c", "", "euler.otf", 24, 0)
denom := NewNumberShower("a", "", "euler.otf", 24, 0)
testy := NewFractionShower(num, denom, "euler.otf", 24, 0)
testy.CursorPosition = 3
testy.RenderEmptyIndextxt = true
str := ""
for running {
switch e := sdl.PollEvent().(type) {
case *sdl.QuitEvent:
running = false
break
case *sdl.KeyboardEvent:
if e.State == 1 {
str = handlekeypress2(e.Keysym, str)
fmt.Println("rendering string", str)
text = ttf.RenderUTF8_Blended(font, str, black)
}
}
screen.FillRect(nil, 0xFFFFFF)
screen.Blit(&sdl.Rect{23, 0, 0, 0}, testy.Render(), nil)
screen.Flip()
sdl.Delay(5)
}
}
func main() {
globalState.Mouse = make(map[int]bool)
flag.Parse()
var err error
if sdl.Init(sdl.INIT_VIDEO) != 0 {
log.Printf("Unable to init SDL")
return
}
if len(flag.Args()) == 0 {
old := flag.Usage
flag.Usage = func() {
old()
fmt.Fprintf(os.Stderr, "You MUST pass the name of the file to view\n")
}
flag.Usage()
return
}
mesh, err = wfobj.LoadMeshFromFile(flag.Args()[0])
if err != nil {
flag.Usage()
fmt.Fprintf(os.Stderr, "[e] %v\n", err)
return
}
defer sdl.Quit()
screen := sdl.SetVideoMode(1024, 600, 32, sdl.OPENGL|sdl.RESIZABLE)
if screen == nil {
log.Printf("Unable to init sdl Screen")
}
sdl.GL_SetAttribute(sdl.GL_DOUBLEBUFFER, 1)
initGL()
sdl.WM_SetCaption("sdlviewer", "sdlviewer")
running = true
for running {
handleInput()
drawScene()
}
}
func sdlSetup() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
Screen = &Surface{sdl.SetVideoMode(Width, Height, 32, 0)}
if Screen == nil {
panic(sdl.GetError())
}
if sdl.EnableKeyRepeat(25, 25) != 0 {
panic(sdl.GetError())
}
if ttf.Init() != 0 {
panic(sdl.GetError())
}
}
func main() {
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
screen := sdl.SetVideoMode(width, height, 32, sdl.OPENGL)
if screen == nil {
panic("Couldn't set video mode: " + sdl.GetError() + "\n")
}
if err := gl.Init(); err != 0 {
panic("gl error")
}
initGl()
initShaders()
mainLoop()
}
func InitUI() *UI {
ui := &UI{
running: false,
}
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
if ttf.Init() != 0 {
panic(sdl.GetError())
}
ui.screen = sdl.SetVideoMode(300, 300, 32, sdl.OPENGL)
if ui.screen == nil {
panic("sdl error")
}
if gl.Init() != 0 {
panic("gl error")
}
gl.MatrixMode(gl.PROJECTION)
gl.Viewport(0, 0, int(ui.screen.W), int(ui.screen.H))
gl.LoadIdentity()
gl.Ortho(0, float64(ui.screen.W), float64(ui.screen.H), 0, -1.0, 1.0)
gl.ClearColor(1, 1, 1, 0)
gl.Clear(gl.COLOR_BUFFER_BIT)
// TTF
sdl.EnableUNICODE(1)
ui.font = ttf.OpenFont("FontinSans.otf", 20)
ui.font.SetStyle(ttf.STYLE_UNDERLINE)
if ui.font == nil {
panic(sdl.GetError())
}
ui.running = true
return ui
}
func main() {
sdl.Init(sdl.INIT_VIDEO)
ttf.Init()
screen := sdl.SetVideoMode(480, 560, 16, sdl.OPENGL|sdl.RESIZABLE)
sdl.WM_SetCaption("Flappy Bird", "")
bg := utils.TextureFromFile("./bg.png")
font := utils.LoadFont("/usr/share/fonts/truetype/DroidSans.ttf", 32)
reshape(int(screen.W), int(screen.H))
renderBackground(screen, bg)
font.Printf(110, 50, "Click to play")
sdl.GL_SwapBuffers()
for {
OuterLoop:
for {
e := sdl.WaitEvent()
switch e.(type) {
case *sdl.MouseButtonEvent:
if e.(*sdl.MouseButtonEvent).Type == sdl.MOUSEBUTTONUP {
break OuterLoop
}
}
}
score, quit := playGame(screen, bg, font)
if quit {
break
}
quit = gameOverScreen(screen, strconv.Itoa(score), bg, font)
if quit {
break
}
}
screen.Free()
ttf.Quit()
sdl.Quit()
return
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
// The actual resolution (screenspace)
W := 800
H := 600
// The virtual resolution (worldspace)
MAXX := 400
MAXY := 300
screen := sdl.SetVideoMode(W, H, 32, sdl.FULLSCREEN)
if screen == nil {
panic(sdl.GetError())
}
sdl.EnableUNICODE(1)
sdl.ShowCursor(0)
sdl.WM_SetCaption("Random Lines", "")
red := sdl.Color{255, 0, 0, 255}
color := red
rand.Seed(time.Now().UnixNano())
for {
color = sdl.Color{uint8(rand.Intn(255)), uint8(rand.Intn(255)), uint8(rand.Intn(255)), 255}
DoublePixelLine(screen, rand.Intn(MAXX), rand.Intn(MAXY), rand.Intn(MAXX), rand.Intn(MAXY), color)
if escPressed() {
break
}
screen.Flip()
sdl.PollEvent()
//sdl.Delay(10)
}
sdl.Quit()
}
func DisplayImage(src image.Image) {
// Initialise SDL
log.Println("Initialising SDL.")
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
// Transform the image into an SDL surface.
log.Println("Transforming image into SDL surface.")
var buf bytes.Buffer
png.Encode(&buf, src)
sdlRW := sdl.RWFromReader(&buf)
sdlSurf := sdl.Load_RW(sdlRW, false)
// Set the display up.
log.Println("Setting up screen.")
sdlScreen := sdl.SetVideoMode(int(sdlSurf.W), int(sdlSurf.H), 32, sdl.SWSURFACE)
sdlScreen.Blit(nil, sdlSurf, nil)
// Loop until exit.
log.Println("Displaying image.")
loop(sdlScreen)
}
func ui_main() {
if sdl.Init(sdl.INIT_VIDEO) != 0 {
panic(sdl.GetError())
}
if screen == nil {
panic(sdl.GetError())
}
sdl.EnableUNICODE(1)
sdl.WM_SetCaption("Go-SDL SDL Test", "")
running := true
for running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
running = false
break
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 {
panic(sdl.GetError())
}
}
}
}
ttf.Quit()
sdl.Quit()
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
var screen = sdl.SetVideoMode(640, 480, 32, 0)
if screen == nil {
panic(sdl.GetError())
}
sdl.WM_SetCaption("Template", "")
for true {
e := &sdl.Event{}
for e.Poll() {
switch e.Type {
case sdl.QUIT:
return
default:
}
}
screen.FillRect(nil, 0x000000)
//screen.Blit(&sdl.Rect{x,y, 0, 0}, image, nil)
screen.Flip()
sdl.Delay(25)
}
}
func main() {
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
screen := sdl.SetVideoMode(width, height, 32, sdl.OPENGL)
if screen == nil {
panic("Couldn't set video mode: " + sdl.GetError() + "\n")
}
sdl.EnableKeyRepeat(200, 20)
if err := gl.Init(); err != 0 {
panic("gl error")
}
cam.Yaw(3.14)
initGl()
initShaders()
initVoxels()
mainLoop()
}
func NewWindow(w, h, bpp int, flags uint32) (gui.Window, error) {
win := new(window)
err := initinc()
if err != nil {
return nil, err
}
win.screen = sdl.SetVideoMode(w, h, bpp, flags)
if win.screen == nil {
return nil, errors.New(sdl.GetError())
}
win.ec = make(chan interface{})
win.events = true
go win.eventLoop()
runtime.SetFinalizer(win, func(subwin *window) {
subwin.Close()
})
return win, nil
}
func initGraphic(w, h uint, fullscreen bool) error {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
return errors.New(sdl.GetError())
}
var vmFlags uint32
if fullscreen {
vmFlags = sdl.FULLSCREEN
}
bg = sdl.SetVideoMode(int(w), int(h), 32, vmFlags)
if bg == nil {
return errors.New(sdl.GetError())
}
sdl.WM_SetCaption("whac-a-gopher", "")
// Load images
gopherEye = loadImage("gopher_doteye.png")
gopherEyeX = loadImage("gopher_xeye.png")
gopherBody = loadImage("gopher_body_normal.png")
return nil
}
func Open(w, h int, fullscreen bool, title, tabname string) *Window {
if GWindow != nil {
panic("only one Window is allowed")
}
win := &Window{width: w, height: h, title: title, tabname: tabname}
GWindow = win
sdl.Init(sdl.INIT_EVERYTHING)
gl.Init()
var screen = sdl.SetVideoMode(win.width, win.height, 16, sdl.OPENGL)
if screen == nil {
sdl.Quit()
panic("Couldn't set sdl GL video mode: " + sdl.GetError() + "\n")
}
sdl.WM_SetCaption(win.title, win.tabname)
win.initGL()
win.pixelData = make([]uint8, win.width*win.height*4)
return win
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
if ttf.Init() != 0 {
panic(sdl.GetError())
}
if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT,
mixer.DEFAULT_CHANNELS, 4096) != 0 {
panic(sdl.GetError())
}
var screen = sdl.SetVideoMode(640, 480, 32, sdl.RESIZABLE)
if screen == nil {
panic(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("test.png")
if image == nil {
panic(sdl.GetError())
}
sdl.WM_SetIcon(image, nil)
running := true
font := ttf.OpenFont("Fontin Sans.otf", 72)
if font == nil {
panic(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("test.ogg")
sound := mixer.LoadWAV("sound.ogg")
if music == nil || sound == nil {
panic(sdl.GetError())
}
music.PlayMusic(-1)
if sdl.GetKeyName(270) != "[+]" {
panic("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)
for running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
running = false
break
case *sdl.KeyboardEvent:
println("")
println(e.Keysym.Sym, ": ", sdl.GetKeyName(sdl.Key(e.Keysym.Sym)))
if e.Keysym.Sym == 27 {
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.ResizeEvent:
println("resize screen ", e.W, e.H)
screen = sdl.SetVideoMode(int(e.W), int(e.H), 32, sdl.RESIZABLE)
if screen == nil {
panic(sdl.GetError())
}
}
}
screen.FillRect(nil, 0x302019)
screen.Blit(&sdl.Rect{0, 0, 0, 0}, text, nil)
loop := true
for loop {
select {
case p := <-draw:
screen.Blit(&sdl.Rect{int16(p.x), int16(p.y), 0, 0}, image, nil)
case <-out:
default:
loop = false
}
}
var p Point
sdl.GetMouseState(&p.x, &p.y)
worm_in <- p
screen.Flip()
sdl.Delay(25)
}
image.Free()
music.Free()
font.Close()
ttf.Quit()
sdl.Quit()
}
func main() {
// Initialize SDL
if sdl.Init(sdl.INIT_VIDEO) < 0 {
panic("Video initialization failed: " + sdl.GetError())
}
// To avoid cramps
sdl.EnableKeyRepeat(250, 25)
// Sets up OpenGL double buffering
sdl.GL_SetAttribute(sdl.GL_DOUBLEBUFFER, 1)
// flags to pass to sdl.SetVideoMode
videoFlags := sdl.OPENGL // Enable OpenGL in SDL
videoFlags |= sdl.DOUBLEBUF // Enable double buffering
videoFlags |= sdl.HWPALETTE // Store the palette in hardware
// FIXME: this causes segfault.
// videoFlags |= sdl.RESIZABLE // Enable window resizing
// get a SDL surface
surface = sdl.SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, uint32(videoFlags))
// verify there is a surface
if surface == nil {
panic("Video mode set failed: " + sdl.GetError())
Quit(1)
}
// When this function is finished, clean up and exit.
defer Quit(0)
LoadGLTextures("data/glass.bmp")
// Initialize OpenGL
initGL()
// Resize the initial window
resizeWindow(SCREEN_WIDTH, SCREEN_HEIGHT)
// wait for events
running := true
isActive := true
for running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.ActiveEvent:
isActive = e.Gain != 0
case *sdl.ResizeEvent:
width, height := int(e.W), int(e.H)
surface = sdl.SetVideoMode(width, height, SCREEN_BPP, uint32(videoFlags))
if surface == nil {
fmt.Println("Could not get a surface after resize:", sdl.GetError())
Quit(1)
}
resizeWindow(width, height)
case *sdl.KeyboardEvent:
if e.Type == sdl.KEYDOWN {
handleKeyPress(e.Keysym)
}
case *sdl.QuitEvent:
running = false
}
}
// draw the scene
if isActive {
drawGLScene()
}
}
}
func (self *AppStateManager) HandleEvents() (done bool) {
done = false
running_state := self.GetRunningState()
for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
switch event.(type) {
case *sdl.QuitEvent:
done = true
break
case *sdl.ResizeEvent:
re := event.(*sdl.ResizeEvent)
self.Screen = sdl.SetVideoMode(int(re.W), int(re.H), 16,
sdl.OPENGL|sdl.RESIZABLE)
if self.Screen != nil {
GetViewport().SetScreenSize(float32(self.Screen.W), float32(self.Screen.H))
if running_state != nil {
running_state.OnViewportResize(float32(self.Screen.W), float32(self.Screen.H))
}
} else {
panic("we couldn't set the new video mode??")
}
break
case *sdl.KeyboardEvent:
if running_state != nil {
kevent := event.(*sdl.KeyboardEvent)
if kevent.State == 1 {
running_state.OnKeyDown(&kevent.Keysym)
} else {
running_state.OnKeyUp(&kevent.Keysym)
}
}
break
case *sdl.MouseMotionEvent:
if running_state != nil {
mevent := event.(*sdl.MouseMotionEvent)
dx, dy := float32(0), float32(0)
fx, fy := float32(mevent.X), float32(mevent.Y)
if self.MouseSampleTaken {
dx = fx - self.LastMouseX
dy = fy - self.LastMouseY
} else {
self.MouseSampleTaken = true
}
running_state.OnMouseMove(
float32(mevent.X),
float32(mevent.Y), dx, dy)
if self.FPSMouseModeEnabled {
sdl.EventState(sdl.MOUSEMOTION, sdl.IGNORE)
sdl.WarpMouse(int(self.Screen.W/2), int(self.Screen.H/2))
sdl.EventState(sdl.MOUSEMOTION, sdl.ENABLE)
self.LastMouseX = float32(self.Screen.W / 2)
self.LastMouseY = float32(self.Screen.H / 2)
} else {
self.LastMouseX = fx
self.LastMouseY = fy
}
}
break
case *sdl.MouseButtonEvent:
if running_state != nil {
mevent := event.(*sdl.MouseButtonEvent)
running_state.OnMouseClick(float32(mevent.X),
float32(mevent.Y),
int(mevent.Button),
mevent.State == 1)
}
break
default:
if running_state != nil {
running_state.OnSdlEvent(&event)
}
break
}
}
return
}
func main() {
flag.Parse()
var done bool
var keys []uint8
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(300, 300, 16, sdl.OPENGL|sdl.RESIZABLE)
if screen == nil {
sdl.Quit()
panic("Couldn't set 300x300 GL video mode: " + sdl.GetError() + "\n")
}
if gl.Init() != 0 {
panic("gl error")
}
sdl.WM_SetCaption("Gears", "gears")
init_()
reshape(int(screen.W), int(screen.H))
done = false
for !done {
idle()
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch e.(type) {
case *sdl.ResizeEvent:
re := e.(*sdl.ResizeEvent)
screen = sdl.SetVideoMode(int(re.W), int(re.H), 16,
sdl.OPENGL|sdl.RESIZABLE)
if screen != nil {
reshape(int(screen.W), int(screen.H))
} else {
panic("we couldn't set the new video mode??")
}
break
case *sdl.QuitEvent:
done = true
break
}
}
keys = sdl.GetKeyState()
if keys[sdl.K_ESCAPE] != 0 {
done = true
}
if keys[sdl.K_UP] != 0 {
view_rotx += 5.0
}
if keys[sdl.K_DOWN] != 0 {
view_rotx -= 5.0
}
if keys[sdl.K_LEFT] != 0 {
view_roty += 5.0
}
if keys[sdl.K_RIGHT] != 0 {
view_roty -= 5.0
}
if keys[sdl.K_z] != 0 {
if (sdl.GetModState() & sdl.KMOD_RSHIFT) != 0 {
view_rotz -= 5.0
} else {
view_rotz += 5.0
}
}
draw()
}
sdl.Quit()
return
}
func main() {
runtime.LockOSThread()
flag.Parse()
buildPalette()
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)
if sdl.SetVideoMode(512, 512, 32, sdl.OPENGL) == nil {
panic("sdl error")
}
if gl.Init() != 0 {
panic("gl error")
}
sdl.WM_SetCaption("Gomandel", "Gomandel")
gl.Enable(gl.TEXTURE_2D)
gl.Viewport(0, 0, 512, 512)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 512, 512, 0, -1, 1)
gl.ClearColor(0, 0, 0, 0)
//-----------------------------------------------------------------------------
var dndDragging bool = false
var dndStart Point
var dndEnd Point
var tex gl.Texture
var tc TexCoords
var lastProgress int
initialRect := Rect{-1.5, -1.5, 3, 3}
rect := initialRect
rc := new(MandelbrotRequest)
rc.MakeRequest(512, 512, rect)
rc.WaitFor(Small, &tex, &tc)
running := true
for running {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch e.(type) {
case *sdl.QuitEvent:
running = false
case *sdl.MouseButtonEvent:
mbe := e.(*sdl.MouseButtonEvent)
if mbe.Type == sdl.MOUSEBUTTONDOWN {
dndDragging = true
sdl.GetMouseState(&dndStart.X, &dndStart.Y)
dndEnd = dndStart
} else {
dndDragging = false
sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
if mbe.Which == 3 {
rect = initialRect
} else {
rect = rectFromSelection(dndStart, dndEnd, 512, 512, rect)
tc = texCoordsFromSelection(dndStart, dndEnd, 512, 512, tc)
}
// make request
rc.MakeRequest(512, 512, rect)
}
case *sdl.MouseMotionEvent:
if dndDragging {
sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
}
}
}
// if we're waiting for a result, check if it's ready
p := rc.Update(&tex, &tc)
if p != -1 {
lastProgress = p
}
gl.Clear(gl.COLOR_BUFFER_BIT)
tex.Bind(gl.TEXTURE_2D)
drawQuad(0, 0, 512, 512, tc.TX, tc.TY, tc.TX2, tc.TY2)
tex.Unbind(gl.TEXTURE_2D)
if dndDragging {
drawSelection(dndStart, dndEnd)
}
drawProgress(512, 512, lastProgress, rc.Pending)
sdl.GL_SwapBuffers()
}
}
