/*
* Redraws the world. (What world we have.)
* This is the "view" code.
*/
func redraw(d *draw.Display, resized bool) {
if resized {
if err := d.Attach(draw.Refmesg); err != nil {
log.Fatalf("can't reattach to window: %v", err)
}
}
// draw coloured rects at mouse positions
// first param is the clip rectangle. which can be 0. meaning no clip?
var clipr image.Rectangle
fmt.Printf("empty clip? %v\n", clipr)
d.ScreenImage.Draw(clipr, d.White, nil, image.ZP)
d.Flush(true)
}
func (w *awin) fixfont() {
ctl := make([]byte, 1000)
w.Seek("ctl", 0, 0)
n, err := w.Read("ctl", ctl)
if err != nil {
return
}
f := strings.Fields(string(ctl[:n]))
if len(f) < 8 {
return
}
w.tab, _ = strconv.Atoi(f[7])
if w.tab == 0 {
return
}
name := f[6]
if w.fontName == name {
return
}
all.Lock()
defer all.Unlock()
if font := all.f[name]; font != nil {
w.font = font
w.fontName = name
return
}
var disp *draw.Display = nil
font, err := disp.OpenFont(name)
if err != nil {
return
}
if all.f == nil {
all.f = make(map[string]*draw.Font)
}
all.f[name] = font
w.font = font
}
func Play(pp []Piece, d *draw.Display) {
pieces = pp
N = len(pieces[0].d)
initPieces()
display = d
screen = d.ScreenImage
mousectl = d.InitMouse()
kbdctl = d.InitKeyboard()
rand.Seed(int64(time.Now().UnixNano() % (1e9 - 1)))
for i, col := range txpix {
tx[i], _ = d.AllocImage(image.Rect(0, 0, 1, 1), screen.Pix, true, col)
}
whitemask, _ = display.AllocImage(image.Rect(0, 0, 1, 1), draw.ARGB32, true, 0x7F7F7F7F)
tsleep = 50
timerc = time.Tick(time.Duration(tsleep/2) * time.Millisecond)
suspc = make(chan bool)
mousec = make(chan draw.Mouse)
kbdc = make(chan rune)
go suspproc()
redraw(false)
play()
}
func (m *SpacewarPDP1) Init(d *draw.Display) {
m.disp = d
m.mc = d.InitMouse()
m.kc = d.InitKeyboard()
m.screen = d.ScreenImage
m.dx = m.screen.R.Dx()
m.dy = m.screen.R.Dy()
m.pix = make([][]uint8, m.dy)
m.oldpix = make([][]uint8, m.dy)
for i := range m.pix {
m.pix[i] = make([]uint8, m.dx)
m.oldpix[i] = make([]uint8, m.dx)
}
m.cmap = make([]*draw.Image, 256)
for i := range m.cmap {
var r, g, b draw.Color
r = draw.Color(min(0, 255))
g = draw.Color(min(i*2, 255))
b = draw.Color(min(0, 255))
m.cmap[i], _ = d.AllocImage(image.Rect(0, 0, 1, 1), d.ScreenImage.Pix, true, r<<24|g<<16|b<<8|0xff)
}
m.screen.Draw(m.screen.R, d.Black, nil, image.ZP)
}