1 files changed, 67 insertions, 0 deletions
diff --git a/go/ui/textBox.go b/go/ui/textBox.go
new file mode 100644
index 00000000..e07440b5
--- /dev/null
+++ b/go/ui/textBox.go
@@ -0,0 +1,67 @@
+package ui
+
+import (
+	"fmt"
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/text"
+	"muhq.space/muhqs-game/go/game"
+)
+
+var (
+	TEXTBOX_BACKGROUND = gray
+	TEXTBOX_FOREGROUND = color.White
+)
+
+type TextBox struct {
+	X, Y          int
+	Width, Height int
+	img           *ebiten.Image
+	text          string
+}
+
+func NewFixedTextBox(x, y int, width, height int, t string) *TextBox {
+	tb := &TextBox{x, y, width, height, nil, t}
+	tb.render()
+	return tb
+}
+
+func NewAutoTextBox(x, y int, t string) *TextBox {
+	tb := &TextBox{x, y, -1, -1, nil, t}
+	tb.render()
+	return tb
+}
+
+func NewUnitInfo(x, y int, u *game.Unit) *TextBox {
+	info := fmt.Sprintf("%s\nDamage: %d\nHealth: %d\nMovement: %d\nAttack %s\nUpkeep: %d",
+		u.String(), u.GetDamage(), u.Health, u.Movement, u.Attack.String(), u.Upkeep)
+	return NewAutoTextBox(x, y, info)
+}
+
+func NewPermInfo(x, y int, p game.Permanent) *TextBox {
+	info := fmt.Sprintf("%s\nDamage: %d",
+		p.String(), p.GetDamage())
+	return NewAutoTextBox(x, y, info)
+}
+
+func (tb *TextBox) render() {
+	b := text.BoundString(Font, tb.text)
+	if tb.Width == -1 || tb.Height == -1 {
+		tb.Width = b.Dx()
+		tb.Height = b.Dy()
+	}
+	tb.img = ebiten.NewImage(tb.Width, tb.Height)
+	tb.img.Fill(TEXTBOX_BACKGROUND)
+	text.Draw(tb.img, tb.text, Font, b.Min.X, -b.Min.Y, TEXTBOX_FOREGROUND)
+}
+
+func (tb *TextBox) Draw(screen *ebiten.Image) {
+	op := &ebiten.DrawImageOptions{}
+	op.GeoM.Translate(float64(tb.X), float64(tb.Y))
+	screen.DrawImage(tb.img, op)
+}
+
+func (tb TextBox) FindObjectAt(x, y int) interface{} {
+	return nil
+}