func ReinitVideo(width, height int, reinitScreen, resizeCanvas bool) {
var doFullScreen = reinitScreen && resizeCanvas && (width == 0) && (height == 0)
var prevWidth, prevHeight int
var oldScreen, newScreen *sdl.Surface
if oldScreen = Screen; oldScreen != nil {
prevWidth, prevHeight = int(oldScreen.W), int(oldScreen.H)
} else {
prevWidth, prevHeight = SCREEN_DEFWIDTH, SCREEN_DEFHEIGHT
}
if reinitScreen {
if newScreen = sdl.SetVideoMode(width, height, 24, sdl.OPENGL|coreutil.Ifui(doFullScreen, sdl.FULLSCREEN, sdl.RESIZABLE)); newScreen == nil {
if doFullScreen {
ReinitVideo(prevWidth, prevHeight, true, resizeCanvas)
return
} else {
log.Panic("Could not initialize OpenGL surface.")
}
} else {
Screen = newScreen
if oldScreen != nil {
oldScreen.Free()
}
}
}
if resizeCanvas {
Canvas0.Resize(int(float64(width)/Canvas0.RetroFactor), int(float64(height)/Canvas0.RetroFactor))
}
}
func reinitScreen(width, height int) {
winWidth, winHeight = gl.Sizei(width), gl.Sizei(height)
if sdlScreen != nil {
sdlScreen.Free()
}
sdlScreen = sdl.SetVideoMode(width, height, 24, sdl.OPENGL|sdl.RESIZABLE)
if sdlScreen == nil {
panic("SDL video init error")
}
}
func main() {
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(640, 480, 32, sdl.OPENGL)
if screen == nil {
panic("sdl error")
}
if gl.Init() != 0 {
panic("gl error")
}
pen := Pen{}
gl.MatrixMode(gl.PROJECTION)
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.ClearColor(1, 1, 1, 0)
gl.Clear(gl.COLOR_BUFFER_BIT)
var running = true
for running {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch ev := e.(type) {
case *sdl.QuitEvent:
running = false
case *sdl.KeyboardEvent:
if ev.Keysym.Sym == sdl.K_ESCAPE {
running = false
}
case *sdl.MouseMotionEvent:
if ev.State != 0 {
pen.lineTo(Point{int(ev.X), int(ev.Y)})
} else {
pen.moveTo(Point{int(ev.X), int(ev.Y)})
}
}
}
sdl.GL_SwapBuffers()
sdl.Delay(25)
}
sdl.Quit()
}
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)
gl.BindTexture(gl.TEXTURE_2D, 0)
if dndDragging {
drawSelection(dndStart, dndEnd)
}
drawProgress(512, 512, lastProgress, rc.Pending)
sdl.GL_SwapBuffers()
}
}
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()
}