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