ZacharyZhang-NYandClaude Opus 5.5
03e1f91706
Elements are now pass-scoped value handles: tests that read bounds after a frame bind a ui.Handle. pixel tells frames apart by the build pass's root, since the Tester clock no longer moves on its own. Fix the regressions the upgrade brought: - Clipboard reads in input handlers go through c.Services(). - MyGo notes an overlay's opener after building it, so AutoFocus inside lost it; pixel.AutoFocus focuses through a Handle, and archtest bans the raw call. Dialogs hand the focus back again. - Elements around a press stay hovered: Tooltip tells a press-given focus by focus arriving under the pointer. - The web host moves the Tester clock with real time, at most 500 ms a call, and gives components the real clock. The gallery's source index also accepts CRLF checkouts. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
package game
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/egoist/mygo/ui"
|
|
|
|
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
|
|
)
|
|
|
|
type HealthBarOptions struct {
|
|
// Width is in dots; zero means 96.
|
|
Width int
|
|
}
|
|
|
|
type trailKey struct{}
|
|
|
|
// trail is the last hp and full, and the trail.
|
|
type trail struct {
|
|
seen, full int
|
|
from float64
|
|
at time.Time
|
|
}
|
|
|
|
// hold is how long a trail waits before draining.
|
|
const hold = 300 * time.Millisecond
|
|
|
|
// HealthBar shows hp with a lagging trail; low HP blinks.
|
|
func HealthBar(c *ui.Context, text string, hp, full int, o HealthBarOptions) ui.Element {
|
|
k := pixel.K(c)
|
|
amount("HealthBar hp", hp, full)
|
|
w := pixel.Or("HealthBar Width", o.Width, 96)
|
|
fits("HealthBar", w, text, ratio(full, full))
|
|
e := ui.Box(c).Role(ui.RoleMeter).Label(text).Description(ratio(hp, full))
|
|
tr := ui.Local(e, trailKey{}, func() trail { return trail{seen: hp, full: full, from: float64(hp)} })
|
|
// A new full makes the old trail meaningless.
|
|
if full != tr.full {
|
|
tr.seen, tr.full, tr.from = hp, full, float64(hp)
|
|
}
|
|
now := k.Now()
|
|
// end is the trail's end: held, then draining fast.
|
|
end := func() float64 {
|
|
// S5: the drain moves in whole frames, fifteen a second.
|
|
drained := max(0, now.Sub(tr.at)-hold).Truncate(time.Second / 15)
|
|
return max(float64(tr.seen), tr.from-drained.Seconds()*float64(full))
|
|
}
|
|
if hp < tr.seen {
|
|
tr.from, tr.at = end(), now
|
|
}
|
|
if hp > tr.seen {
|
|
tr.from = float64(hp)
|
|
}
|
|
tr.seen = hp
|
|
shown := end()
|
|
if k.Reduce() {
|
|
shown = float64(hp)
|
|
}
|
|
if shown > float64(hp) {
|
|
k.Tick(c, 15)
|
|
}
|
|
// Divide, not multiply: huge HP must not overflow.
|
|
ink := pixel.Good
|
|
switch {
|
|
case hp <= full/4:
|
|
ink = pixel.Bad
|
|
case hp <= full/2:
|
|
ink = pixel.Warn
|
|
}
|
|
low := hp > 0 && hp <= full/4
|
|
top := headH(text)
|
|
return e.Size(k.D(w), k.D(top+8)).Draw(func(p *ui.Painter, r ui.Rect) {
|
|
g := k.Canvas(p, r)
|
|
head(g, w, text, ratio(hp, full))
|
|
fill := ink
|
|
// Low HP blinks; reduced, it holds steady.
|
|
if low && !k.Reduce() && g.Busy(4)%2 == 1 {
|
|
fill = pixel.Lit
|
|
}
|
|
x := meter(g, 0, top, w, 8, float64(hp)/float64(full), fill)
|
|
if t := 2 + int(shown/float64(full)*float64(w-4)); t > x {
|
|
g.Rect(x, top+2, t-x, 4, pixel.AccentLit)
|
|
}
|
|
})
|
|
}
|