widgets

pncdsl/ui.cursor.go

@@ -1,21 +1,28 @@
 package pncdsl
 
 import (
-	"image/color"
-
 	"github.com/hajimehoshi/ebiten/v2"
 	"github.com/hajimehoshi/ebiten/v2/vector"
 )
 
-// drawCursor renders a simple crosshair at the mouse position. When an
-// inventory item is selected, the item sprite is drawn instead.
-func drawCursor(dst *ebiten.Image, g *Game) {
-	x, y := g.input.Pos()
+// Cursor renders the mouse cursor. When the player has an inventory item
+// selected, the item's sprite is drawn at the cursor instead of the
+// default crosshair. Registered last so it draws on top.
+type Cursor struct {
+	Name string
+}
+
+func (c *Cursor) GetName() string { return c.Name }
+func (c *Cursor) Tick(ctx *UICtx) {}
+
+func (c *Cursor) Draw(dst *ebiten.Image, ctx *UICtx) {
+	g := ctx.Game
+	x, y := g.Input.Pos()
 	if sel := g.Inventory.Selected(); sel != "" {
 		if it, ok := g.ItemManager.Get(sel); ok {
 			img := g.loaded.image(g.AssetManager, it.Sprite)
 			sw, sh := img.Bounds().Dx(), img.Bounds().Dy()
-			if sw > 0 && sh > 0 {
+			if sw > 0 && sh > 0 && !g.loaded.isPlaceholder(it.Sprite) {
 				op := &ebiten.DrawImageOptions{}
 				op.GeoM.Scale(16/float64(sw), 16/float64(sh))
 				op.GeoM.Translate(float64(x-8), float64(y-8))
@@ -24,7 +31,7 @@ func drawCursor(dst *ebiten.Image, g *Game) {
 			}
 		}
 	}
-	c := color.RGBA{255, 255, 255, 255}
-	vector.StrokeLine(dst, float32(x-3), float32(y), float32(x+4), float32(y), 1, c, false)
-	vector.StrokeLine(dst, float32(x), float32(y-3), float32(x), float32(y+4), 1, c, false)
+	col := g.Theme().CursorColor
+	vector.StrokeLine(dst, float32(x-3), float32(y), float32(x+4), float32(y), 1, col, false)
+	vector.StrokeLine(dst, float32(x), float32(y-3), float32(x), float32(y+4), 1, col, false)
 }