remove demo game

ui.chat_log.go

@@ -0,0 +1,91 @@
+package pncdsl
+
+import (
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/vector"
+)
+
+// ChatLog renders the in-game message log (player commands + in-world
+// replies) as a scrolling box. The newest message is at the bottom; older
+// messages scroll up out of view as the buffer fills.
+type ChatLog struct {
+	Name       string
+	Bounds     Rectangle
+	LineHeight int
+	Padding    int
+	// ShowBorder draws a thin border around the box.
+	ShowBorder bool
+}
+
+func (c *ChatLog) GetName() string { return c.Name }
+func (c *ChatLog) Tick(ctx *UICtx) {}
+
+func (c *ChatLog) Draw(dst *ebiten.Image, ctx *UICtx) {
+	g := ctx.Game
+	th := g.Theme()
+	b := c.Bounds
+	if b.W <= 0 || b.H <= 0 {
+		return
+	}
+	lh := c.LineHeight
+	if lh <= 0 {
+		lh = 10
+	}
+	pad := c.Padding
+	if pad <= 0 {
+		pad = 3
+	}
+
+	vector.DrawFilledRect(dst, float32(b.X), float32(b.Y), float32(b.W), float32(b.H), th.ChatLogBG, false)
+	if c.ShowBorder {
+		vector.StrokeRect(dst, float32(b.X), float32(b.Y), float32(b.W), float32(b.H), 1, th.CharacterPanelBorder, false)
+	}
+
+	msgs := g.Messages()
+	maxLines := int((b.H - float64(2*pad)) / float64(lh))
+	if maxLines <= 0 {
+		return
+	}
+
+	// Wrap each message; collect rendered lines (color + text).
+	type line struct {
+		text string
+		col  color.Color
+	}
+	wrapW := int(b.W) - pad*2
+	var rendered []line
+	for _, m := range msgs {
+		var col color.Color
+		switch m.Kind {
+		case LogAction:
+			col = th.ChatLogPrompt
+		case LogResponse:
+			col = th.ChatLogResponse
+		default:
+			col = th.ChatLogSystem
+		}
+		txt := m.Text
+		if m.Kind == LogResponse && m.Speaker != "" {
+			txt = m.Speaker + ": " + m.Text
+		}
+		for _, w := range wrapText(txt, wrapW) {
+			rendered = append(rendered, line{text: w, col: col})
+		}
+	}
+
+	// Show the LAST maxLines wrapped lines.
+	start := len(rendered) - maxLines
+	if start < 0 {
+		start = 0
+	}
+	for i, ln := range rendered[start:] {
+		y := int(b.Y) + pad + i*lh
+		g.DrawText(dst, ln.text, int(b.X)+pad, y-1, ln.col)
+	}
+}
+
+// BlocksClickAt — the log is non-interactive, but it sits over the bottom
+// of the scene; treat it as opaque so RadialVerbs doesn't pop up over it.
+func (c *ChatLog) BlocksClickAt(p Point) bool { return c.Bounds.Contains(p) }