func loadImage(filename string) *sdl.Surface {
// search res directory in following order
// - ./res/
// - $(GOPATH)/src/github.com/suapapa/whac-a-gopher/res/
// - $(GOROOT)/src/pkg/github.com/suapapa/whac-a-gopher/res/
var imagePath string
for _, d := range resCandidates {
tryPath := filepath.Join(d, filename)
if _, err := os.Stat(tryPath); err == nil {
imagePath = tryPath
break
}
}
if imagePath == "" {
log.Fatalf("failed to find image, %s\n", imagePath)
}
if s := sdl.Load(imagePath); s != nil {
log.Println(imagePath, "loaded")
return s
}
log.Fatalf("failed to load image, %s\n", imagePath)
return nil
}
// 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
}
func loadImage(name string) *sdl.Surface {
image := sdl.Load(name)
if image == nil {
panic(sdl.GetError())
}
return image
}
// 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()
}
// 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 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())
}
func LoadImage(path string) (image *sdl.Surface, format gl.GLenum) {
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
if nOfColors == 4 { // contains alpha channel
if image.Format.Rmask == 0x000000ff {
format = gl.RGBA
} else {
format = gl.BGRA
}
} else if nOfColors == 3 { // no alpha channel
if image.Format.Rmask == 0x000000ff {
format = gl.RGB
} else {
format = gl.BGR
}
} else {
fmt.Println("warning:", path, "is not truecolor, this will probably break")
}
return image, format
}
// load in bitmap as a GL texture
func LoadGLTextures(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")
}
// Create the textures
gl.GenTextures(textures[:])
// First texture
gl.BindTexture(gl.TEXTURE_2D, uint(textures[0]))
gl.TexImage2D(
gl.TEXTURE_2D,
0,
3,
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.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
// Second texture
gl.BindTexture(gl.TEXTURE_2D, uint(textures[1]))
gl.TexImage2D(gl.TEXTURE_2D, 0,
3,
int(image.W),
int(image.H),
0, textureFormat, gl.UNSIGNED_BYTE,
image.Pixels,
)
// Mipmapped filtering
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
// Third texture
gl.BindTexture(gl.TEXTURE_2D, uint(textures[2]))
gl.TexImage2D(gl.TEXTURE_2D, 0,
3,
int(image.W),
int(image.H),
0, textureFormat, gl.UNSIGNED_BYTE,
image.Pixels,
)
// Mipmapped filtering
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
glu.Build2DMipmaps(
gl.TEXTURE_2D,
3,
int(image.W),
int(image.H),
textureFormat,
image.Pixels,
)
}
func loadTextures() {
floorTexture = sdl.Load("floor.png")
playerTexture = sdl.Load("a.gif")
}
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_EVERYTHING) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
image0 := sdl.Load(*file)
if image0 == nil {
panic(sdl.GetError())
}
factorx := float32(1)
factory := float32(1)
dstW := uint32(float32(image0.W) * factorx)
dstH := uint32(float32(image0.H) * factory)
screen := sdl.SetVideoMode(int(dstW), int(dstH), 32, sdl.DOUBLEBUF)
if screen == nil {
panic(sdl.GetError())
}
image := sdl.DisplayFormat(image0)
format := image.Format
err := initAndPrepCL()
check(err)
order := cl.RGBA
elemSize := 4
src, err := c.NewImage2D(cl.MEM_READ_ONLY|cl.MEM_USE_HOST_PTR, order, cl.UNSIGNED_INT8,
uint32(image.W), uint32(image.H), uint32(image.Pitch), image.Pixels)
check(err)
dst, err := c.NewImage2D(cl.MEM_WRITE_ONLY, order, cl.UNSIGNED_INT8,
dstW, dstH, 0, nil)
check(err)
angle := float32(0)
for running := true; running; angle += 0.001 {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch ev := e.(type) {
case *sdl.QuitEvent:
running = false
break
case *sdl.KeyboardEvent:
if ev.Keysym.Sym == sdl.K_ESCAPE {
running = false
break
}
}
}
//pixels, err := imageCall(dstW, dstH, "image_recscale", src, dst, 1/factorx, 1/factory)
//pixels, err := imageCall(dstW, dstH, "image_rotate", src, dst, angle)
m := mul(S(1.2, 1.2), R(angle))
off := []float32{float32(dstW / 2), float32(dstH / 2)}
pixels, err := imageCall(dstW, dstH, "image_affine2", src, dst,
[]float32(m[0:2]), []float32(m[2:4]),
off, off)
check(err)
news := sdl.CreateRGBSurfaceFrom(pixels,
int(dstW), int(dstH), int(elemSize*8), int(elemSize)*int(dstW),
format.Rmask, format.Gmask, format.Bmask, format.Amask,
)
if news == nil {
log.Fatal(sdl.GetError())
}
screen.FillRect(nil, 0)
screen.Blit(&sdl.Rect{0, 0, 0, 0}, news, nil)
screen.Flip()
sdl.Delay(25)
}
}
