initial commit

pncdsl/ui.speech.go

@@ -0,0 +1,74 @@
+package pncdsl
+
+import (
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/vector"
+)
+
+// speechBubble holds the currently-spoken line. The Say action sets it and
+// the engine draws it above the speaker (or centered at screen top if the
+// speaker is unknown).
+type speechBubble struct {
+	speaker string
+	lines   []string
+	pos     Point
+	active  bool
+}
+
+func (s *speechBubble) set(g *Game, speaker, text string) {
+	s.speaker = speaker
+	s.lines = wrapText(text, 200)
+	s.active = true
+	// position above the speaker, if we know where they are
+	if c, ok := g.runtimeChar(speaker); ok {
+		s.pos = Point{X: c.pos.X, Y: c.pos.Y - c.def.H - 4}
+	} else {
+		s.pos = Point{X: 160, Y: 14}
+	}
+}
+
+func (s *speechBubble) clear() {
+	s.active = false
+	s.speaker = ""
+	s.lines = nil
+}
+
+func (s *speechBubble) tick(dt float64) { _ = dt }
+
+func (s *speechBubble) draw(dst *ebiten.Image, g *Game) {
+	if !s.active || len(s.lines) == 0 {
+		return
+	}
+	maxW := 0
+	for _, ln := range s.lines {
+		if w := textWidth(ln); w > maxW {
+			maxW = w
+		}
+	}
+	pad := 3
+	w := maxW + pad*2
+	h := len(s.lines)*16 + pad*2
+	x := int(s.pos.X) - w/2
+	y := int(s.pos.Y) - h
+	if x < 2 {
+		x = 2
+	}
+	if x+w > 318 {
+		x = 318 - w
+	}
+	if y < 2 {
+		y = 2
+	}
+	vector.DrawFilledRect(dst, float32(x), float32(y), float32(w), float32(h), color.RGBA{0, 0, 0, 200}, false)
+	speechColor := color.RGBA{255, 255, 255, 255}
+	if c, ok := g.CharacterManager.Get(s.speaker); ok {
+		if sc, ok := c.SpeechColor.(color.RGBA); ok {
+			speechColor = sc
+		}
+	}
+	for k, ln := range s.lines {
+		drawText(dst, ln, x+pad, y+pad+k*16-2, speechColor)
+	}
+}