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 NewScreen(w, h int) *Screen {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
log.Fatal("failed to init sdl", sdl.GetError())
return nil
}
if ttf.Init() != 0 {
log.Fatal("failed to init ttf", sdl.GetError())
return nil
}
var ctx Screen
if err := ctx.setSurface(w, h); err != nil {
log.Fatal(err)
}
var vInfo = sdl.GetVideoInfo()
log.Println("HW_available = ", vInfo.HW_available)
log.Println("WM_available = ", vInfo.WM_available)
log.Println("Video_mem = ", vInfo.Video_mem, "kb")
/* title := "Subtitle Player" */
title := os.Args[0]
icon := "" // path/to/icon
sdl.WM_SetCaption(title, icon)
sdl.EnableUNICODE(1)
ctx.fps = opt.fps
err := ctx.setFont(opt.fontPath, opt.fontSize)
if err != nil {
log.Fatal("failed to set default font")
return nil
}
ctx.debugFont = ttf.OpenFont(DFLT_FONT_PATH, 20)
if ctx.debugFont == nil {
errMsg := fmt.Sprintf("failed to open debug font: %s",
sdl.GetError())
/* return errors.New(errMsg) */
log.Fatal(errMsg)
}
ctx.debugLineHeight = uint16(ctx.debugFont.LineSkip())
ctx.updateC = make(chan int)
return &ctx
}
/*
* Draw a grid on the display and return info about the Tile
*/
func drawGrid(screen *sdl.Surface) {
/*{{{*/
vid := sdl.GetVideoInfo()
// First the vertical
for i := 0; i < int(vid.Current_w); i += SIZE {
screen.FillRect(
&sdl.Rect{int16(i), int16(0), 1, uint16(vid.Current_h)},
0x000000)
screen.UpdateRect(int32(i), 0, 1, uint32(vid.Current_h))
}
// Then the horizontal
for i := 0; i < int(vid.Current_h); i += SIZE {
screen.FillRect(
&sdl.Rect{0, int16(i), uint16(vid.Current_w), 1},
0x000000)
screen.UpdateRect(0, int32(i), uint32(vid.Current_w), 1)
}
return
/*}}}*/
}
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() {
if sdl.Init(sdl.INIT_VIDEO) != 0 {
panic(sdl.GetError())
}
v_info := sdl.GetVideoInfo()
var screen = sdl.SetVideoMode(
int(v_info.Current_w),
int(v_info.Current_h),
32,
sdl.HWSURFACE|sdl.DOUBLEBUF)
rows = v_info.Current_w / SIZE
columns = v_info.Current_h / SIZE
if v_info.Current_w%SIZE != 0 {
rows += 1
}
if v_info.Current_h%SIZE != 0 {
columns += 1
}
// Initialize our world
world = make([][]Field, rows)
for i := range world {
world[i] = make([]Field, columns)
for j := range world[i] {
world[i][j].X = i
world[i][j].Y = j
world[i][j].T = OPEN
world[i][j].lsize = 0
world[i][j].rsize = 0
world[i][j].o = false
world[i][j].c = false
}
}
// Once we're done, free screen object and quit sdl.
defer sdl.Quit()
defer screen.Free()
if screen == nil {
panic(sdl.GetError())
}
// Set window title
sdl.WM_SetCaption("A* algorithm demo", "")
// Give the screen an initially and update display
screen.FillRect(nil, OPEN)
screen.Flip()
/* Draw the grid on our display */
drawGrid(screen)
/* Create the different channels we need */
paint_chan = make(chan *Paint, 2000)
read_field = make(chan *Field)
field_chan = make(chan *Field)
// Fillbox runs asynchronously, start it here
go initFillBox(screen)
// Getneighbours process runs all the time, starts here.
go GetNeighbours(world, read_field)
for true {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
return
case *sdl.KeyboardEvent:
if e.Keysym.Sym == sdl.K_ESCAPE {
/* Quit when escape is pressed */
return
} else if e.Keysym.Sym == sdl.K_r &&
(e.Keysym.Mod&sdl.KMOD_LCTRL) != 0 &&
(e.Keysym.Mod&sdl.KMOD_LSHIFT) != 0 {
resetComplete()
} else if e.Keysym.Sym == sdl.K_r && (e.Keysym.Mod&sdl.KMOD_LCTRL) != 0 {
resetAllPaths()
} else if e.Keysym.Sym == sdl.K_r {
resetPaths()
} else if e.Keysym.Sym == sdl.K_RETURN {
/* If RETURN is pressed, run pathfinding */
if start != nil && goal != nil {
//resetPaths();
go aStar(world, screen)
}
}
case *sdl.MouseMotionEvent:
if e.State == sdl.BUTTON_LEFT || e.State == sdl.BUTTON_WHEELUP {
drawMouseMotion(world, screen, e)
}
case *sdl.MouseButtonEvent:
if e.Type == sdl.MOUSEBUTTONDOWN {
state := sdl.GetKeyState()
if e.Button == sdl.BUTTON_LEFT {
r := getRect(e)
if state[sdl.K_s] == 1 {
// Left mouse button with s, set new start point
if start == nil {
start = &world[int(r.X)/SIZE][int(r.Y)/SIZE]
fillBox(start, START)
} else {
fillBox(start, OPEN)
start = &world[int(r.X)/SIZE][int(r.Y)/SIZE]
fillBox(start, START)
}
} else if state[sdl.K_g] == 1 {
// Left mouse button with g, set new goal point
if goal == nil {
goal = &world[int(r.X)/SIZE][int(r.Y)/SIZE]
fillBox(goal, GOAL)
} else {
fillBox(goal, OPEN)
goal = &world[int(r.X)/SIZE][int(r.Y)/SIZE]
fillBox(goal, GOAL)
}
} else {
// No relevant modifiers were pressed, color the field.
var f *Field = &world[(r.X / SIZE)][(r.Y / SIZE)]
//fmt.Println("Click on", f);
if f.T == OPEN {
fillBox(f, WALL)
} else {
fillBox(f, OPEN)
}
}
}
}
default:
}
}
// Delay for 15 milliseconds
sdl.Delay(30)
screen.Flip()
}
fmt.Println("Exiting")
}