func (win *window) eventLoop() {
if win.ec == nil {
win.ec = make(chan interface{})
}
eloop:
for win.events {
var ev sdl.Event
for ev.Poll() {
switch ev.Type {
case sdl.KEYUP:
key := ev.Keyboard().Keysym.Sym
win.ec <- gui.KeyEvent{int(-key)}
case sdl.KEYDOWN:
key := ev.Keyboard().Keysym.Sym
win.ec <- gui.KeyEvent{int(key)}
case sdl.MOUSEMOTION:
m := ev.MouseMotion()
win.ec <- gui.MouseEvent{
Buttons: int(m.State),
Loc: image.Pt(int(m.X), int(m.Y)),
Nsec: time.Nanoseconds(),
}
case sdl.MOUSEBUTTONUP, sdl.MOUSEBUTTONDOWN:
m := ev.MouseButton()
win.ec <- gui.MouseEvent{
Buttons: int(sdl.GetMouseState(nil, nil)),
Loc: image.Pt(int(m.X), int(m.Y)),
Nsec: time.Nanoseconds(),
}
case sdl.VIDEORESIZE:
r := ev.Resize()
win.ec <- gui.ConfigEvent{image.Config{
win.Screen().ColorModel(),
int(r.W),
int(r.H),
}}
case sdl.QUIT:
break eloop
}
}
}
close(win.ec)
}
func (win *window) eventLoop() {
if win.ec == nil {
win.ec = make(chan interface{})
}
eloop:
for win.events {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.KeyboardEvent:
switch e.Type {
case sdl.KEYUP:
win.ec <- gui.KeyEvent{int(-e.Keysym.Sym)}
case sdl.KEYDOWN:
win.ec <- gui.KeyEvent{int(e.Keysym.Sym)}
}
case *sdl.MouseMotionEvent:
win.ec <- gui.MouseEvent{
Buttons: int(e.State),
Loc: image.Pt(int(e.X), int(e.Y)),
Nsec: time.Nanoseconds(),
}
case *sdl.MouseButtonEvent:
win.ec <- gui.MouseEvent{
Buttons: int(sdl.GetMouseState(nil, nil)),
Loc: image.Pt(int(e.X), int(e.Y)),
Nsec: time.Nanoseconds(),
}
case *sdl.ResizeEvent:
win.ec <- gui.ConfigEvent{image.Config{
win.Screen().ColorModel(),
int(e.W),
int(e.H),
}}
case *sdl.QuitEvent:
break eloop
}
}
}
close(win.ec)
}
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
e := new(sdl.Event)
for running {
for e.Poll() {
switch e.Type {
case sdl.QUIT:
running = false
case sdl.MOUSEBUTTONDOWN:
dndDragging = true
sdl.GetMouseState(&dndStart.X, &dndStart.Y)
dndEnd = dndStart
case sdl.MOUSEBUTTONUP:
dndDragging = false
sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
if e.MouseButton().Button == 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.MOUSEMOTION:
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()
}