added select menu scene (transparency fails)

assets/loader-fonts.go

@@ -3,7 +3,9 @@ package assets
 import (
 	"log"
 
+	"github.com/golang/freetype/truetype"
 	"github.com/tinne26/etxt"
+	"golang.org/x/image/font"
 )
 
 var FontRenderer = LoadFonts("fonts")
@@ -15,11 +17,28 @@ const (
 
 type Texter struct {
 	Renderer *etxt.Renderer
+	Font     *font.Face
 }
 
 func LoadFonts(dir string) *Texter {
+	fontbytes, err := assetfs.ReadFile(dir + "/" + GameFont + ".ttf")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	gamefont, err := truetype.Parse(fontbytes)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	gameface := truetype.NewFace(gamefont, &truetype.Options{
+		Size:    float64(FontSize),
+		DPI:     72,
+		Hinting: font.HintingFull,
+	})
+
 	fontlib := etxt.NewFontLibrary()
-	_, _, err := fontlib.ParseEmbedDirFonts(dir, assetfs)
+	_, _, err = fontlib.ParseEmbedDirFonts(dir, assetfs)
 	if err != nil {
 		log.Fatalf("Error while loading fonts: %s", err.Error())
 	}
@@ -39,7 +58,7 @@ func LoadFonts(dir string) *Texter {
 	renderer.SetCacheHandler(glyphsCache.NewHandler())
 	renderer.SetFont(fontlib.GetFont(GameFont))
 
-	return &Texter{renderer}
+	return &Texter{Renderer: renderer, Font: &gameface}
 }
 
 // helper function used with FontLibrary.EachFont to make sure

assets/loader-levels.go

@@ -110,7 +110,12 @@ func InitTiles() TileRegistry {
 		'S': NewTilePlayer(),
 		'o': NewTileCollectible("collectible-orange"),
 		'*': NewTileParticle([]string{
-			"particle-ring-1", "particle-ring-2", "particle-ring-3", "particle-ring-4", "particle-ring-5", "particle-ring-6",
+			//"particle-ring-1",
+			"particle-ring-2",
+			"particle-ring-3",
+			"particle-ring-4",
+			"particle-ring-5",
+			"particle-ring-6",
 		}),
 	}
 }

game/game.go

@@ -18,7 +18,7 @@ type Game struct {
 	Observer                  *observers.GameObserver
 }
 
-func NewGame(width, height, cellsize, startlevel int, startscene int) *Game {
+func NewGame(width, height, cellsize, startlevel int, startscene SceneName) *Game {
 	world := ecs.NewWorld()
 
 	game := &Game{
@@ -34,8 +34,9 @@ func NewGame(width, height, cellsize, startlevel int, startscene int) *Game {
 	game.Observer = observers.NewGameObserver(&world, startlevel, width, height, cellsize)
 
 	game.Scenes[Welcome] = NewWelcomeScene(game)
+	game.Scenes[Select] = NewSelectScene(game)
 	game.Scenes[Play] = NewLevelScene(game, startlevel)
-	game.CurrentScene = Welcome
+	game.CurrentScene = startscene
 
 	fmt.Println(game.World.Stats().String())
 

game/select_scene.go

@@ -0,0 +1,113 @@
+package game
+
+import (
+	"image/color"
+	"openquell/assets"
+
+	"github.com/ebitenui/ebitenui"
+	"github.com/ebitenui/ebitenui/image"
+	"github.com/ebitenui/ebitenui/widget"
+
+	"github.com/hajimehoshi/ebiten/v2"
+)
+
+type SelectScene struct {
+	Game     *Game
+	Next     SceneName
+	Whoami   SceneName
+	UseCache bool
+	Ui       *ebitenui.UI
+}
+
+func NewSelectScene(game *Game) Scene {
+	scene := &SelectScene{Whoami: Select, Game: game, Next: Select}
+
+	scene.SetupUI()
+
+	return scene
+}
+
+func (scene *SelectScene) GetNext() SceneName {
+	return scene.Next
+}
+
+func (scene *SelectScene) SetNext(next SceneName) {
+	scene.Next = next
+}
+
+func (scene *SelectScene) Update() error {
+	scene.Ui.Update()
+	return nil
+}
+
+func (scene *SelectScene) Draw(screen *ebiten.Image) {
+	scene.Ui.Draw(screen)
+}
+
+func (scene *SelectScene) SetupUI() {
+	buttonImage, _ := loadButtonImage()
+
+	btnContainer := widget.NewContainer(
+		widget.ContainerOpts.Layout(widget.NewAnchorLayout()),
+	)
+
+	button := widget.NewButton(
+		widget.ButtonOpts.WidgetOpts(
+			widget.WidgetOpts.LayoutData(widget.AnchorLayoutData{
+				HorizontalPosition: widget.AnchorLayoutPositionCenter,
+				VerticalPosition:   widget.AnchorLayoutPositionCenter,
+			}),
+		),
+
+		widget.ButtonOpts.Image(buttonImage),
+
+		widget.ButtonOpts.Text("Start new Game", *assets.FontRenderer.Font, &widget.ButtonTextColor{
+			Idle: color.NRGBA{0xdf, 0xf4, 0xff, 0xff},
+		}),
+
+		widget.ButtonOpts.TextPadding(widget.Insets{
+			Left:   30,
+			Right:  30,
+			Top:    5,
+			Bottom: 5,
+		}),
+
+		widget.ButtonOpts.ClickedHandler(func(args *widget.ButtonClickedEventArgs) {
+			scene.SetNext(Play)
+		}),
+	)
+
+	btnContainer.AddChild(button)
+
+	rootContainer := widget.NewContainer(
+		widget.ContainerOpts.BackgroundImage(
+			// FIXME: see https://github.com/ebitenui/ebitenui/issues/118
+			image.NewNineSlice(assets.Assets["background-transparent"], [3]int{0, 1, 639}, [3]int{0, 1, 479})),
+		//widget.ContainerOpts.BackgroundImage(image.NewNineSliceColor(color.NRGBA{0x13, 0x1a, 0x22, 0xff})),
+		//widget.ContainerOpts.BackgroundImage(image.NewNineSliceColor(color.NRGBA{0xff, 0x80, 0x00, 0x00})),
+		widget.ContainerOpts.Layout(
+			widget.NewStackedLayout(
+				widget.StackedLayoutOpts.Padding(
+					widget.NewInsetsSimple(25)))),
+	)
+
+	rootContainer.AddChild(btnContainer)
+
+	scene.Ui = &ebitenui.UI{
+		Container: rootContainer,
+	}
+}
+
+func loadButtonImage() (*widget.ButtonImage, error) {
+	idle := image.NewNineSliceColor(color.NRGBA{R: 170, G: 170, B: 180, A: 255})
+
+	hover := image.NewNineSliceColor(color.NRGBA{R: 130, G: 130, B: 150, A: 255})
+
+	pressed := image.NewNineSliceColor(color.NRGBA{R: 100, G: 100, B: 120, A: 255})
+
+	return &widget.ButtonImage{
+		Idle:    idle,
+		Hover:   hover,
+		Pressed: pressed,
+	}, nil
+}

game/welcome_scene.go

@@ -33,7 +33,7 @@ func (scene *WelcomeScene) Update() error {
 	switch {
 	case ebiten.IsKeyPressed(ebiten.KeyEnter):
 		slog.Debug("welcome.Update() next")
-		scene.SetNext(Play)
+		scene.SetNext(Select)
 	}
 
 	return nil

go.mod

@@ -10,12 +10,15 @@ require (
 require (
 	github.com/alecthomas/repr v0.3.0 // indirect
 	github.com/ebitengine/purego v0.5.0 // indirect
+	github.com/ebitenui/ebitenui v0.5.5 // indirect
 	github.com/fatih/color v1.16.0 // indirect
+	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
 	github.com/jezek/xgb v1.1.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/tinne26/etxt v0.0.8 // indirect
 	github.com/tlinden/yadu v0.1.3 // indirect
+	golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63 // indirect
 	golang.org/x/exp/shiny v0.0.0-20230817173708-d852ddb80c63 // indirect
 	golang.org/x/image v0.12.0 // indirect
 	golang.org/x/mobile v0.0.0-20230922142353-e2f452493d57 // indirect

go.sum

@@ -2,8 +2,12 @@ github.com/alecthomas/repr v0.3.0 h1:NeYzUPfjjlqHY4KtzgKJiWd6sVq2eNUPTi34PiFGjY8
 github.com/alecthomas/repr v0.3.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/ebitengine/purego v0.5.0 h1:JrMGKfRIAM4/QVKaesIIT7m/UVjTj5GYhRSQYwfVdpo=
 github.com/ebitengine/purego v0.5.0/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
+github.com/ebitenui/ebitenui v0.5.5 h1:L9UCWmiMlo4sG5TavQKmjfsnwMmYqkld2tXWZMmKkSA=
+github.com/ebitenui/ebitenui v0.5.5/go.mod h1:CkzAwu9Ks32P+NC/7+iypdLA85Wqnn93UztPFE+kAH4=
 github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
 github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/hajimehoshi/ebiten/v2 v2.6.5 h1:lALv+qhEK3CBWViyiGpz4YcR6slVJEjCiS7sExKZ9OE=
 github.com/hajimehoshi/ebiten/v2 v2.6.5/go.mod h1:TZtorL713an00UW4LyvMeKD8uXWnuIuCPtlH11b0pgI=
 github.com/jezek/xgb v1.1.0 h1:wnpxJzP1+rkbGclEkmwpVFQWpuE2PUGNUzP8SbfFobk=
@@ -24,6 +28,8 @@ github.com/tlinden/yadu v0.1.3/go.mod h1:l3bRmHKL9zGAR6pnBHY2HRPxBecf7L74BoBgOOp
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63 h1:m64FZMko/V45gv0bNmrNYoDEq8U5YUhetc9cBWKS1TQ=
+golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63/go.mod h1:0v4NqG35kSWCMzLaMeX+IQrlSnVE/bqGSyC2cz/9Le8=
 golang.org/x/exp/shiny v0.0.0-20230817173708-d852ddb80c63 h1:3AGKexOYqL+ztdWdkB1bDwXgPBuTS/S8A4WzuTvJ8Cg=
 golang.org/x/exp/shiny v0.0.0-20230817173708-d852ddb80c63/go.mod h1:UH99kUObWAZkDnWqppdQe5ZhPYESUw8I0zVV1uWBR+0=
 golang.org/x/image v0.12.0 h1:w13vZbU4o5rKOFFR8y7M+c4A5jXDC0uXTdHYRP8X2DQ=

main.go

@@ -33,7 +33,7 @@ func main() {
 	debuglogger := slog.New(handler)
 	slog.SetDefault(debuglogger)
 
-	g := game.NewGame(width, height, cellsize, 0, game.Play)
+	g := game.NewGame(width, height, cellsize, 0, game.Welcome)
 
 	err := ebiten.RunGame(g)
 	if err != nil {