1 package game
2
3 import (
4 "fmt"
5
6 "github.com/hajimehoshi/ebiten/v2"
7 "github.com/hajimehoshi/ebiten/v2/ebitenutil"
8 "github.com/hajimehoshi/ebiten/v2/inpututil"
9 )
10 import "code.rocketnine.space/tslocum/kibodo"
11
12 type game struct {
13 w, h int
14
15 k *kibodo.Keyboard
16
17 userInput []byte
18
19 incomingInput []*kibodo.Input
20
21 op *ebiten.DrawImageOptions
22
23 spinnerIndex int
24
25 buffer *ebiten.Image
26 }
27
28 var spinner = []byte(`-\|/`)
29
30
31 func NewDemoGame() *game {
32 k := kibodo.NewKeyboard()
33 k.SetAllowUserHide(true)
34 k.SetPassThroughPhysicalInput(true)
35 k.SetKeys(kibodo.KeysQWERTY)
36 k.SetHideShortcuts([]ebiten.Key{ebiten.KeyEscape})
37
38 g := &game{
39 k: k,
40 op: &ebiten.DrawImageOptions{
41 Filter: ebiten.FilterNearest,
42 },
43 }
44
45 go g.showKeyboard()
46
47 return g
48 }
49
50 func (g *game) showKeyboard() {
51 if g.k.Visible() {
52 return
53 }
54
55
56 g.userInput = nil
57
58
59 g.k.Show()
60 }
61
62 func (g *game) Layout(outsideWidth, outsideHeight int) (int, int) {
63 s := ebiten.DeviceScaleFactor()
64 outsideWidth, outsideHeight = int(float64(outsideWidth)*s), int(float64(outsideHeight)*s)
65 if g.w == outsideWidth && g.h == outsideHeight {
66 return outsideWidth, outsideHeight
67 }
68
69 g.w, g.h = outsideWidth, outsideHeight
70
71 g.buffer = ebiten.NewImage(g.w, g.h)
72
73 y := 200
74 if g.h > g.w && (g.h-g.w) > 200 {
75 y = g.h - g.w
76 }
77 g.k.SetRect(0, y, g.w, g.h-y)
78
79 return outsideWidth, outsideHeight
80 }
81
82 func (g *game) Update() error {
83 if inpututil.IsMouseButtonJustPressed(ebiten.MouseButtonLeft) && !g.k.Visible() {
84 g.showKeyboard()
85 }
86
87 g.incomingInput = g.k.AppendInput(g.incomingInput[:0])
88 for _, input := range g.incomingInput {
89 if input.Rune > 0 {
90 g.userInput = append(g.userInput, []byte(string(input.Rune))...)
91 continue
92 }
93 if input.Key == ebiten.KeyBackspace {
94 s := string(g.userInput)
95 if len(s) > 0 {
96 g.userInput = []byte(s[:len(s)-1])
97 }
98 continue
99 } else if input.Key == ebiten.KeyEnter {
100 g.userInput = nil
101 continue
102 } else if input.Key < 0 {
103 continue
104 }
105 g.userInput = append(g.userInput, []byte("<"+input.Key.String()+">")...)
106 }
107
108 return g.k.Update()
109 }
110
111 func (g *game) Draw(screen *ebiten.Image) {
112 g.k.Draw(screen)
113
114 g.buffer.Clear()
115 ebitenutil.DebugPrint(g.buffer, fmt.Sprintf("FPS %0.0f %c\nTPS %0.0f\n\n%s", ebiten.CurrentFPS(), spinner[g.spinnerIndex], ebiten.CurrentTPS(), g.userInput))
116 g.op.GeoM.Reset()
117 g.op.GeoM.Translate(3, 0)
118 g.op.GeoM.Scale(2, 2)
119 screen.DrawImage(g.buffer, g.op)
120
121 g.spinnerIndex++
122 if g.spinnerIndex == 4 {
123 g.spinnerIndex = 0
124 }
125 }
126
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