remove demo game

ui.verb_bar.go

@@ -0,0 +1,111 @@
+package pncdsl
+
+import (
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/vector"
+)
+
+// VerbBar is the SCUMM-style permanent verb panel. It reads the
+// VerbManager every frame so newly-registered verbs show up automatically.
+type VerbBar struct {
+	Name   string
+	Origin Point
+	Cols   int
+	Button Size
+	Gap    Point
+
+	// PanelBG, if non-nil, paints a backdrop behind the buttons. nil = use Theme.PanelBG.
+	PanelBG bool
+}
+
+func (v *VerbBar) GetName() string { return v.Name }
+
+func (v *VerbBar) buttons(ctx *UICtx) []verbButton {
+	cols := v.Cols
+	if cols <= 0 {
+		cols = 2
+	}
+	names := ctx.Game.VerbManager.Names()
+	out := make([]verbButton, 0, len(names))
+	for i, n := range names {
+		col := i % cols
+		row := i / cols
+		x := int(v.Origin.X) + col*(v.Button.W+int(v.Gap.X))
+		y := int(v.Origin.Y) + row*(v.Button.H+int(v.Gap.Y))
+		verb := ctx.Game.VerbManager.MustGet(n)
+		out = append(out, verbButton{
+			Name:   n,
+			Label:  verb.Label,
+			Bounds: Rect(float64(x), float64(y), float64(v.Button.W), float64(v.Button.H)),
+		})
+	}
+	return out
+}
+
+func (v *VerbBar) Tick(ctx *UICtx) {
+	g := ctx.Game
+	if !g.Input.LeftClicked() {
+		return
+	}
+	mp := g.Input.Point()
+	for _, b := range v.buttons(ctx) {
+		if b.Bounds.Contains(mp) {
+			g.SetSelectedVerb(b.Name)
+			g.Input.ConsumeLeft()
+			return
+		}
+	}
+}
+
+func (v *VerbBar) Draw(dst *ebiten.Image, ctx *UICtx) {
+	g := ctx.Game
+	th := g.Theme()
+	if v.PanelBG {
+		// rough bounding box of the buttons
+		buttons := v.buttons(ctx)
+		if len(buttons) > 0 {
+			x, y := buttons[0].Bounds.X, buttons[0].Bounds.Y
+			rx, ry := x, y
+			for _, b := range buttons {
+				if b.Bounds.X+b.Bounds.W > rx {
+					rx = b.Bounds.X + b.Bounds.W
+				}
+				if b.Bounds.Y+b.Bounds.H > ry {
+					ry = b.Bounds.Y + b.Bounds.H
+				}
+			}
+			vector.DrawFilledRect(dst, float32(x-2), float32(y-2), float32(rx-x+4), float32(ry-y+4), th.PanelBG, false)
+		}
+	}
+	for _, b := range v.buttons(ctx) {
+		bg := th.VerbButtonBG
+		if b.Name == g.SelectedVerb() {
+			bg = th.VerbButtonSelectedBG
+		}
+		vector.DrawFilledRect(dst, float32(b.Bounds.X), float32(b.Bounds.Y), float32(b.Bounds.W), float32(b.Bounds.H), bg, false)
+		g.DrawText(dst, b.Label, int(b.Bounds.X)+2, int(b.Bounds.Y)-1, th.VerbButtonText)
+	}
+}
+
+type verbButton struct {
+	Name   string
+	Label  string
+	Bounds Rectangle
+}
+
+// BlocksClickAt is part of the clickBlocker contract — keeps the
+// RadialVerbs widget from popping up over the verb bar.
+func (v *VerbBar) BlocksClickAt(p Point) bool {
+	cols := v.Cols
+	if cols <= 0 {
+		cols = 2
+	}
+	// rough bounding box: rows = ceil(verbCount/cols), but without a Game
+	// reference we approximate by assuming the bar is small (at most 2 rows
+	// in the default SCUMM layout).
+	x := v.Origin.X
+	y := v.Origin.Y
+	w := float64(cols*(v.Button.W+int(v.Gap.X)) - int(v.Gap.X))
+	h := float64(2*(v.Button.H+int(v.Gap.Y)) - int(v.Gap.Y))
+	return Rect(x, y, w, h).Contains(p)
+}