func handlekeypress(key sdl.Keysym, str string) string {
fmt.Println(string(key.Sym), " ", string(key.Scancode), " ", string(key.Unicode), key.Unicode)
if key.Sym >= 97 && key.Sym <= 122 {
return str + sdl.GetKeyName(sdl.Key(key.Sym))
}
switch key.Sym {
case 8:
return str[:len(str)-1]
case 230:
return "å"
}
return sdl.GetKeyName(sdl.Key(key.Sym)) + " " + string(key.Sym)
}
func (world *World) HandleEvents() {
for world.running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
world.running = false
case *sdl.KeyboardEvent:
switch sdl.GetKeyName(sdl.Key(e.Keysym.Sym)) {
case "p":
world.pause = !world.pause
case "j":
world.Paddle.Go(0, world.Paddle.vector.Y+world.Paddle.speed)
case "k":
world.Paddle.Go(0, world.Paddle.vector.Y-world.Paddle.speed)
case "q":
world.running = false
}
case *sdl.MouseMotionEvent:
world.Paddle.Go(float64(e.X), float64(e.Y))
}
}
sdl.Delay(25)
}
}
func gameloop(screen *sdl.Surface) {
gc := &GameContext{screen, 320, 16}
for {
e := sdl.WaitEvent()
screen.FillRect(nil, 0x0)
gc.drawFloor()
gc.drawPlayer()
gc.drawObjects()
switch re := e.(type) {
case *sdl.QuitEvent:
return
case *sdl.MouseMotionEvent:
screen.FillRect(&sdl.Rect{
int16(re.X),
int16(re.Y),
50, 50}, 0xffffff)
screen.Blit(&sdl.Rect{
int16(re.X),
int16(re.Y),
0, 0}, playerTexture, nil)
fmt.Println(re.X, re.Y)
case *sdl.KeyboardEvent:
if re.Type == sdl.KEYDOWN {
keyname := sdl.GetKeyName(sdl.Key(re.Keysym.Sym))
fmt.Println("pressed:", keyname)
switch keyname {
case "right":
gc.moveRight()
case "left":
gc.moveLeft()
case "q":
return
}
} else if re.Type == sdl.KEYUP {
gc.resetPlayerSpeed()
}
default:
//fmt.Println("What the heck?!")
}
gc.Dump()
screen.Flip()
}
}
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 handleEvents(new_attractor, redraw *bool, npoints *int) bool {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
return false
case *sdl.KeyboardEvent:
//fmt.Println(sdl.Key(e.Keysym.Sym), ":", sdl.GetKeyName(sdl.Key(e.Keysym.Sym)))
switch e.Type {
case sdl.KEYUP:
switch sdl.Key(e.Keysym.Sym) {
case sdl.K_LCTRL:
mod = sdl.KMOD_NONE
case sdl.K_UP, sdl.K_DOWN:
yvel = 0
case sdl.K_LEFT, sdl.K_RIGHT:
xvel = 0
svel = 0
case sdl.K_KP4, sdl.K_KP6:
yrotvel = 0
case sdl.K_KP8, sdl.K_KP2:
xrotvel = 0
case sdl.K_KP7, sdl.K_KP9:
zrotvel = 0
}
case sdl.KEYDOWN:
switch mod {
case sdl.KMOD_NONE:
switch sdl.Key(e.Keysym.Sym) {
case sdl.K_LCTRL:
mod = sdl.KMOD_LCTRL
case sdl.K_ESCAPE:
return false
case sdl.K_UP:
yvel = -1 / scale
case sdl.K_DOWN:
yvel = 1 / scale
case sdl.K_LEFT:
xvel = 1 / scale
case sdl.K_RIGHT:
xvel = -1 / scale
case sdl.K_KP4:
yrotvel = -1
case sdl.K_KP6:
yrotvel = +1
case sdl.K_KP8:
xrotvel = -1
case sdl.K_KP2:
xrotvel = +1
case sdl.K_KP7:
zrotvel = -1
case sdl.K_KP9:
zrotvel = +1
case sdl.K_n:
*new_attractor = true
case sdl.K_z:
xoff, yoff, zoff, xrot, yrot, zrot = 0, 0, 0, 0, 0, 0
scale = 0.5
case sdl.K_COMMA:
*npoints -= 1e5
*redraw = true
case sdl.K_PERIOD:
*npoints += 1e5
*redraw = true
default:
}
case sdl.KMOD_LCTRL:
switch sdl.Key(e.Keysym.Sym) {
case sdl.K_LEFT:
svel -= 1
case sdl.K_RIGHT:
svel += 1
default:
}
}
}
default:
}
}
return true
}
