Files
8bitMyGoUI/display/avatar.go
T

150 lines
3.7 KiB
Go

package display
import (
"hash/fnv"
"image"
"strings"
"github.com/egoist/mygo/ui"
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
)
var (
head = pixel.MustSprite(`
................
................
................
....eeeeeeee....
...e########e...
..e##########e..
..e##########e..
..e##########e..
..e##########e..
..e##########e..
..e##########e..
..e##########e..
...e########e...
....e######e....
.....eeeeee.....
................
`)
hair = []*pixel.Sprite{pixel.MustSprite(`
................
................
....########....
...##########...
..############..
..##........##..
..#..........#..
`), pixel.MustSprite(`
................
....#.#..#.#....
...##########...
..############..
..###.####.###..
..#..........#..
`), pixel.MustSprite(`
................
................
....########....
...##########...
..############..
..###......###..
..##........##..
..##........##..
..##........##..
..##........##..
..##........##..
...#........#...
`)}
eyes = []*pixel.Sprite{pixel.MustSprite(`
.....#....#.....
.....#....#.....
`), pixel.MustSprite(`
....##....##....
................
`), pixel.MustSprite(`
....#.#..#.#....
.....#....#.....
`)}
mouths = []*pixel.Sprite{pixel.MustSprite(`
......#..#......
.......##.......
`), pixel.MustSprite(`
................
......####......
`), pixel.MustSprite(`
.......##.......
.......##.......
`)}
backs = []pixel.Slot{pixel.Info, pixel.Good, pixel.Magic, pixel.Warn, pixel.AccentLit, pixel.Accent}
skins = []pixel.Slot{pixel.Lit, pixel.Face, pixel.Shade, pixel.Well}
colors = []pixel.Slot{pixel.Ink, pixel.Edge, pixel.Bad, pixel.Warn, pixel.Magic, pixel.Faint, pixel.Info}
)
type AvatarOptions struct {
Scale int
// Picture replaces the drawn face.
Picture image.Image
}
// Avatar draws a face seeded by name, or a picture.
func Avatar(c *ui.Context, name string, o AvatarOptions) *ui.Element {
k, sc := pixel.K(c), scale(o.Scale)
if o.Picture != nil {
return Picture(c, o.Picture, PictureOptions{W: 16 * sc, H: 16 * sc, Label: name})
}
return art(c, k, name, 16*sc, 16*sc, func(g pixel.Canvas) { drawFace(g, 0, name, sc) })
}
// drawFace paints the face of name at x, scaled.
func drawFace(g pixel.Canvas, x int, name string, sc int) {
h := fnv.New32a()
h.Write([]byte(strings.ToLower(name)))
n := h.Sum32()
pick := func(k int) int { v := int(n % uint32(k)); n /= uint32(k); return v }
g.Rect(x, 0, 16*sc, 16*sc, backs[pick(len(backs))])
g.Sprite(x, 0, head, 0, skins[pick(len(skins))], sc)
g.Sprite(x, 0, hair[pick(len(hair))], 0, colors[pick(len(colors))], sc)
g.Sprite(x, 8*sc, eyes[pick(len(eyes))], 0, pixel.Ink, sc)
g.Sprite(x, 11*sc, mouths[pick(len(mouths))], 0, pixel.Ink, sc)
}
type AvatarGroupOptions struct {
// Max faces shown before +N; zero means 4.
Max int
Scale int
}
// AvatarGroup overlaps faces and counts the rest in a chip.
func AvatarGroup(c *ui.Context, names []string, o AvatarGroupOptions) *ui.Element {
k, sc := pixel.K(c), scale(o.Scale)
shown := names[:min(len(names), orDef("AvatarGroup Max", o.Max, 4))]
rest := len(names) - len(shown)
more := ""
if rest > 0 {
more = "+" + itoa(rest)
}
step := 12 * sc
w := max(0, len(shown)-1)*step + 16*sc
if more != "" {
w += pixel.MicroWidth(more) + 8
}
return art(c, k, strings.Join(names, ", "), w, 16*sc, func(g pixel.Canvas) {
for i, name := range shown {
x := i * step
drawFace(g, x, name, sc)
if i > 0 {
g.VLine(x, 0, 16*sc, pixel.Back)
}
}
if more != "" {
x := len(shown)*step + 4*sc
cw := pixel.MicroWidth(more) + 4
g.Frame(x, (16*sc-9)/2, cw, 9, pixel.Notched, pixel.Face)
g.Micro(x+2, (16*sc-9)/2+2, more, pixel.Ink, 1)
}
})
}