/
flashback.go
85 lines (78 loc) · 2.46 KB
/
flashback.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
package ui
import (
"errors"
"fmt"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/inpututil"
"github.com/pwiecz/command_series/lib"
)
type Flashback struct {
mapView *MapView
messageBox *MessageBox
flashback lib.FlashbackHistory
terrainTypeMap *lib.TerrainTypeMap
day int
shownDay int
}
func NewFlashback(mapView *MapView, messageBox *MessageBox, flashback lib.FlashbackHistory, terrainTypeMap *lib.TerrainTypeMap) *Flashback {
messageBox.Clear()
messageBox.Print("FLASHBACK: DAY 1", 2, 0)
messageBox.Print("* F2 * NEXT DAY", 2, 1)
messageBox.Print("* F3 * PREVIOUS DAY", 2, 2)
messageBox.Print("* F4 * RETURN TO GAME", 2, 3)
return &Flashback{
mapView: mapView,
messageBox: messageBox,
flashback: flashback,
terrainTypeMap: terrainTypeMap,
shownDay: -1}
}
func (f *Flashback) Update() error {
if inpututil.IsKeyJustPressed(ebiten.KeyF2) {
if f.day+1 < len(f.flashback) {
f.day++
}
} else if inpututil.IsKeyJustPressed(ebiten.KeyF3) {
if f.day > 0 {
f.day--
}
} else if inpututil.IsKeyJustPressed(ebiten.KeyF4) || inpututil.IsKeyJustPressed(ebiten.KeyEscape) {
f.hideUnitsFromDay(f.shownDay)
return errors.New("Exit")
} else if inpututil.IsKeyJustPressed(ebiten.KeyDown) {
curXY := f.mapView.GetCursorPosition()
f.mapView.SetCursorPosition(lib.MapCoords{X: curXY.X, Y: curXY.Y + 1})
} else if inpututil.IsKeyJustPressed(ebiten.KeyUp) {
curXY := f.mapView.GetCursorPosition()
f.mapView.SetCursorPosition(lib.MapCoords{X: curXY.X, Y: curXY.Y - 1})
} else if inpututil.IsKeyJustPressed(ebiten.KeyRight) {
curXY := f.mapView.GetCursorPosition()
f.mapView.SetCursorPosition(lib.MapCoords{X: curXY.X + 1, Y: curXY.Y})
} else if inpututil.IsKeyJustPressed(ebiten.KeyLeft) {
curXY := f.mapView.GetCursorPosition()
f.mapView.SetCursorPosition(lib.MapCoords{X: curXY.X - 1, Y: curXY.Y})
}
return nil
}
func (f *Flashback) Draw(screen *ebiten.Image) {
if f.day != f.shownDay {
f.hideUnitsFromDay(f.shownDay)
if f.day < len(f.flashback) {
for _, unit := range f.flashback[f.day] {
f.terrainTypeMap.ShowUnitAt(unit.XY)
}
}
f.messageBox.ClearRow(0)
f.messageBox.Print(fmt.Sprintf("FLASHBACK: DAY %d", f.day+1), 2, 0)
f.shownDay = f.day
}
f.mapView.Draw(screen)
}
func (f *Flashback) hideUnitsFromDay(day int) {
if day < 0 || day >= len(f.flashback) {
return
}
for _, unit := range f.flashback[day] {
f.terrainTypeMap.HideUnitAt(unit.XY)
}
}