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 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 Play() {
sdl.Init(sdl.INIT_AUDIO)
if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT,
mixer.DEFAULT_CHANNELS, 4096) != 0 {
panic(sdl.GetError())
}
var m = mixer.LoadMUS("data/track.ogg")
if m == nil {
panic(sdl.GetError())
}
m.PlayMusic(-1)
}
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
}
func writeSDLstr(newStr string) {
if ttf.Init() != 0 {
panic(sdl.GetError())
}
var font = ttf.OpenFont("FontinSans.otf", int(fontsize))
blue := sdl.Color{185, 230, 255, 0}
white := sdl.Color{255, 255, 255, 0}
text0 := ttf.RenderText_Blended(font, previousStr, blue)
font.SetStyle(ttf.STYLE_UNDERLINE)
text1 := ttf.RenderText_Blended(font, newStr, white)
introw = introw - fontsize - fontsize/2
screen.FillRect(&sdl.Rect{3, introw, uint16(winWidth - 3), uint16(fontsize + fontsize/2)}, bgcolor)
screen.Blit(&sdl.Rect{3, introw, 0, 0}, text0, nil)
introw = introw + fontsize + fontsize/2
screen.Blit(&sdl.Rect{3, introw, 0, 0}, text1, nil)
introw = introw + fontsize + fontsize/2
if introw > (int16(winHeight) - fontsize) {
introw = 0
}
screen.FillRect(&sdl.Rect{3, introw, uint16(winWidth - 3), uint16(fontsize + fontsize/2)}, bgcolor)
screen.Flip()
previousStr = newStr
}
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)
}
func NewSurface(height int, width int) (surface *sdl.Surface) {
surface = sdl.SetVideoMode(height, width, 32, 0)
if surface == nil {
panic(sdl.GetError())
}
return
}
func NewFont(name string, size int) (font *ttf.Font) {
font = ttf.OpenFont("/usr/share/fonts/TTF/"+name, size)
if font == nil {
panic(sdl.GetError())
}
return font
}
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)
}
// Draws everything.
func (g *game) draw() (err error) {
if g.screen.Blit(nil, g.board.Image(), nil) < 0 {
return errors.New(sdl.GetError())
}
if (g.selX >= 0) || (g.selY >= 0) {
sx, sy := g.board.CoordToXY(g.selX, g.selY)
//timg := g.turn.Image()
//sx -= int(timg.W / 2)
//sy -= int(timg.H / 2)
//timg.SetAlpha(sdl.SRCALPHA, 128)
//g.screen.Blit(&sdl.Rect{X: int16(sx), Y: int16(sy)}, timg, nil)
//timg.SetAlpha(sdl.SRCALPHA, 255)
switch g.turn {
case g.pieces["black"]:
g.screen.FillRect(&sdl.Rect{int16(sx - 10), int16(sy - 10), 20, 20},
sdl.MapRGBA(g.screen.Format, 0, 0, 0, 128),
)
case g.pieces["white"]:
g.screen.FillRect(&sdl.Rect{int16(sx - 10), int16(sy - 10), 20, 20},
sdl.MapRGBA(g.screen.Format, 255, 255, 255, 128),
)
}
}
return
}
// 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 CreateRGBSurface(width, height int) *Surface {
var rmask, gmask, bmask, amask uint32
byteorder := 0
bigendian := 0
if byteorder == bigendian {
rmask = 0xff000000
gmask = 0x00ff0000
bmask = 0x0000ff00
amask = 0x000000ff
} else {
rmask = 0x000000ff
gmask = 0x0000ff00
bmask = 0x00ff0000
amask = 0xff000000
}
inner := sdl.CreateRGBSurface(
sdl.SRCALPHA, // flags
width, height,
32, // depth
rmask, gmask, bmask, amask,
)
if inner == nil {
panic(sdl.GetError())
}
return &Surface{inner}
}
func (s *Sound) GetEffect(path string) (c *mixer.Chunk, err error) {
c = mixer.LoadWAV(path)
if c == nil {
err = fmt.Errorf(sdl.GetError())
return
}
return
}
func (s *Sound) GetMusic(path string) (m *mixer.Music, err error) {
m = mixer.LoadMUS(path)
if m == nil {
err = fmt.Errorf(sdl.GetError())
return
}
return
}
// Plays the supplied sound file on repeat.
func (s *Sound) PlayMusic(path string) (err error) {
var m = mixer.LoadMUS(path)
if m == nil {
err = fmt.Errorf(sdl.GetError())
return
}
m.PlayMusic(-1)
return
}
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 sdlSetup() (world *World) {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
sdl.EnableUNICODE(1)
sdl.EnableKeyRepeat(25, 25)
return
}
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
}
// Creates / Initializes the sound system.
func NewSound() (s *Sound, err error) {
sdl.Init(sdl.INIT_AUDIO)
if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT,
mixer.DEFAULT_CHANNELS, 4096) != 0 {
err = fmt.Errorf(sdl.GetError())
return
}
s = &Sound{}
return
}
func loadImage(name string) *sdl.Surface {
image := sdl.Load(name)
if image == nil {
panic(sdl.GetError())
}
return image
}
// Initializes a new board of the given size using the given ko rule.
func NewBoard(size BoardSize, ko KoType) (*Board, error) {
b := new(Board)
b.size = int(size)
b.pieces = make([]*Piece, b.size*b.size)
b.tmp = make([]*Piece, b.size*b.size)
switch ko {
case SimpleKo:
b.ko = (*Board).simpleKo
case SuperKo:
b.ko = (*Board).superKo
default:
return nil, fmt.Errorf("Unknown ko type: %v", ko)
}
b.bg = sdl.Load(path.Join(BoardPath, fmt.Sprintf("%v.png", b.size)))
if b.bg == nil {
return nil, errors.New(sdl.GetError())
}
//b.img = sdl.CreateRGBSurface(sdl.HWSURFACE,
// int(b.bg.W),
// int(b.bg.H),
// int(b.bg.Format.BitsPerPixel),
// b.bg.Format.Rmask,
// b.bg.Format.Gmask,
// b.bg.Format.Bmask,
// b.bg.Format.Amask,
//)
//if b.img == nil {
// return nil, os.NewError(sdl.GetError())
//}
b.img = sdl.Load(path.Join(BoardPath, fmt.Sprintf("%v.png", b.size)))
if b.img == nil {
return nil, errors.New(sdl.GetError())
}
runtime.SetFinalizer(b, (*Board).free)
return b, nil
}
// Load bitmap from path as GL texture
func LoadGLTexture(path string) {
image := sdl.Load(path)
if image == nil {
panic(sdl.GetError())
}
// Check that the image's width is a power of 2
if image.W&(image.W-1) != 0 {
fmt.Println("warning:", path, "has a width that is not a power of 2")
}
// Also check if the height is a power of 2
if image.H&(image.H-1) != 0 {
fmt.Println("warning:", path, "has an height that is not a power of 2")
}
// get the number of channels in the SDL surface
nOfColors := image.Format.BytesPerPixel
var textureFormat gl.GLenum
if nOfColors == 4 { // contains alpha channel
if image.Format.Rmask == 0x000000ff {
textureFormat = gl.RGBA
} else {
textureFormat = gl.BGRA
}
} else if nOfColors == 3 { // no alpha channel
if image.Format.Rmask == 0x000000ff {
textureFormat = gl.RGB
} else {
textureFormat = gl.BGR
}
} else {
fmt.Println("warning:", path, "is not truecolor, this will probably break")
}
texture = gl.GenTexture()
// Typical texture generation using data from the bitmap
gl.BindTexture(gl.TEXTURE_2D, uint(texture))
// Generate the texture
gl.TexImage2D(gl.TEXTURE_2D, 0, int(image.Format.BytesPerPixel),
int(image.W), int(image.H),
0, textureFormat, gl.UNSIGNED_BYTE, image.Pixels,
)
// linear filtering
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
// free up memory we have used.
image.Free()
}
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 initinc() error {
if initnum == 0 {
errn := sdl.Init(sdl.INIT_VIDEO)
if errn < 0 {
return errors.New(sdl.GetError())
}
}
initnum++
return nil
}
// Initializes a new piece.
func NewPiece(t string) (*Piece, error) {
p := new(Piece)
p.img = sdl.Load(path.Join(PiecePath, t+".png"))
if p.img == nil {
return nil, errors.New(sdl.GetError())
}
runtime.SetFinalizer(p, (*Piece).free)
return p, nil
}
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 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 CreateImage(path string) *Surface {
gopaths := strings.Split(os.Getenv("GOPATH"), ":")
var img *sdl.Surface
for _, gopath := range gopaths {
img = sdl.Load(gopath + "/src/github.com/manveru/raptgo/" + path)
if img != nil {
return &Surface{img}
}
}
panic(sdl.GetError())
}
