Files
LilGuy/internal/screens/settings.go

129 lines
3.4 KiB
Go

package screens
import (
"image/color"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/inpututil"
"github.com/hajimehoshi/ebiten/v2/text/v2"
)
// Settings interface
type FPSCapSetting interface {
String() string
Cycle()
}
type SettingsScreen struct {
selectedIndex int
fpsMonitorValue *bool
fpsCapValue FPSCapSetting
}
func NewSettingsScreen() *SettingsScreen {
return &SettingsScreen{
selectedIndex: 0,
}
}
func (s *SettingsScreen) SetFPSMonitor(enabled *bool) {
s.fpsMonitorValue = enabled
}
func (s *SettingsScreen) SetFPSCap(cap FPSCapSetting) {
s.fpsCapValue = cap
}
func (s *SettingsScreen) Update() bool {
if inpututil.IsKeyJustPressed(ebiten.KeyEscape) {
return true
}
settingsCount := 2
if inpututil.IsKeyJustPressed(ebiten.KeyArrowUp) || inpututil.IsKeyJustPressed(ebiten.KeyW) {
s.selectedIndex--
if s.selectedIndex < 0 {
s.selectedIndex = 0
}
}
if inpututil.IsKeyJustPressed(ebiten.KeyArrowDown) || inpututil.IsKeyJustPressed(ebiten.KeyS) {
s.selectedIndex++
if s.selectedIndex >= settingsCount {
s.selectedIndex = settingsCount - 1
}
}
if inpututil.IsKeyJustPressed(ebiten.KeyEnter) || inpututil.IsKeyJustPressed(ebiten.KeySpace) {
if s.selectedIndex == 0 && s.fpsMonitorValue != nil {
*s.fpsMonitorValue = !*s.fpsMonitorValue
} else if s.selectedIndex == 1 && s.fpsCapValue != nil {
s.fpsCapValue.Cycle()
}
}
return false
}
// Rendering
func (s *SettingsScreen) Draw(screen *ebiten.Image, screenWidth, screenHeight int, title string) {
screen.Fill(color.RGBA{R: 20, G: 20, B: 30, A: 255})
titleX := (screenWidth / 2) - (len(title) * 7 / 2)
titleY := screenHeight/3 - 50
s.drawText(screen, title, color.White, titleX, titleY)
startY := screenHeight/2 - 20
leftMargin := screenWidth/2 - 120
// FPS monitor toggle
fpsMonitorText := "FPS Monitor: "
if s.fpsMonitorValue != nil && *s.fpsMonitorValue {
fpsMonitorText += "ON"
} else {
fpsMonitorText += "OFF"
}
if s.selectedIndex == 0 {
indicatorX := leftMargin - 20
s.drawText(screen, ">", color.RGBA{R: 255, G: 200, B: 0, A: 255}, indicatorX, startY)
s.drawText(screen, fpsMonitorText, color.RGBA{R: 255, G: 255, B: 100, A: 255}, leftMargin, startY)
} else {
s.drawText(screen, fpsMonitorText, color.RGBA{R: 180, G: 180, B: 200, A: 255}, leftMargin, startY)
}
// FPS cap setting
fpsCapText := "FPS Cap: "
if s.fpsCapValue != nil {
fpsCapText += s.fpsCapValue.String()
} else {
fpsCapText += "60 FPS"
}
capY := startY + 40
if s.selectedIndex == 1 {
indicatorX := leftMargin - 20
s.drawText(screen, ">", color.RGBA{R: 255, G: 200, B: 0, A: 255}, indicatorX, capY)
s.drawText(screen, fpsCapText, color.RGBA{R: 255, G: 255, B: 100, A: 255}, leftMargin, capY)
} else {
s.drawText(screen, fpsCapText, color.RGBA{R: 180, G: 180, B: 200, A: 255}, leftMargin, capY)
}
// Instructions
hintText := "Enter/Space to toggle, ESC to go back"
hintX := (screenWidth / 2) - (len(hintText) * 7 / 2)
hintY := screenHeight - 50
s.drawText(screen, hintText, color.RGBA{R: 120, G: 120, B: 150, A: 255}, hintX, hintY)
}
func (s *SettingsScreen) drawText(screen *ebiten.Image, txt string, clr color.Color, x, y int) {
op := &text.DrawOptions{}
op.GeoM.Translate(float64(x), float64(y)-basicFaceAscent)
op.ColorScale.ScaleWithColor(clr)
text.Draw(screen, txt, basicFace, op)
}
func (s *SettingsScreen) Reset() {
s.selectedIndex = 0
}