added couple of scenes with ui's. fixed next scene handling

gameui/widgets.go

@@ -0,0 +1,98 @@
+package gameui
+
+import (
+	"image/color"
+	"openquell/assets"
+
+	"github.com/ebitenui/ebitenui/image"
+	"github.com/ebitenui/ebitenui/widget"
+	"golang.org/x/image/font"
+)
+
+func NewMenuButton(text string, fase font.Face, action func(args *widget.ButtonClickedEventArgs)) *widget.Button {
+	buttonImage, _ := LoadButtonImage()
+
+	return widget.NewButton(
+		widget.ButtonOpts.WidgetOpts(
+			widget.WidgetOpts.LayoutData(widget.RowLayoutData{
+				Position:  widget.RowLayoutPositionCenter,
+				Stretch:   true,
+				MaxWidth:  200,
+				MaxHeight: 100,
+			}),
+		),
+
+		widget.ButtonOpts.Image(buttonImage),
+
+		widget.ButtonOpts.Text(text, *assets.FontRenderer.FontNormal, &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(action),
+	)
+}
+
+type RowContainer struct {
+	Root *widget.Container
+	Row  *widget.Container
+}
+
+func (container *RowContainer) AddChild(child widget.PreferredSizeLocateableWidget) {
+	container.Row.AddChild(child)
+}
+
+func (container *RowContainer) Container() *widget.Container {
+	return container.Root
+}
+
+func NewRowContainer() *RowContainer {
+	background := assets.Assets["background-lila"]
+
+	uiContainer := widget.NewContainer(
+		widget.ContainerOpts.BackgroundImage(
+			image.NewNineSlice(background, [3]int{0, 1, 639}, [3]int{0, 1, 479})),
+		widget.ContainerOpts.Layout(widget.NewAnchorLayout()),
+	)
+
+	rowContainer := widget.NewContainer(
+		widget.ContainerOpts.WidgetOpts(
+			widget.WidgetOpts.LayoutData(widget.AnchorLayoutData{
+				HorizontalPosition: widget.AnchorLayoutPositionCenter,
+				VerticalPosition:   widget.AnchorLayoutPositionCenter,
+			}),
+		),
+		widget.ContainerOpts.Layout(widget.NewRowLayout(
+			widget.RowLayoutOpts.Direction(widget.DirectionVertical),
+			widget.RowLayoutOpts.Padding(widget.NewInsetsSimple(20)),
+			widget.RowLayoutOpts.Spacing(10),
+		)),
+	)
+
+	uiContainer.AddChild(rowContainer)
+
+	return &RowContainer{
+		Root: uiContainer,
+		Row:  rowContainer,
+	}
+}
+
+func LoadButtonImage() (*widget.ButtonImage, error) {
+	idle := image.NewNineSliceColor(color.NRGBA{R: 0x55, G: 0x00, B: 0xe2, 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
+}