fix persistent pile hint

1 files changed, 6 insertions, 3 deletions

diff --git a/go/ui/mapView.go b/go/ui/mapView.go
index 528ce6db..035f0f35 100644
--- a/go/ui/mapView.go
+++ b/go/ui/mapView.go
@@ -282,6 +282,7 @@ func (vw *MapView) drawMapLayer(screen *ebiten.Image) {
 	screen.DrawImage(vw.mapLayer, &ebiten.DrawImageOptions{})
 }
 
+// getPermanentSymbol returnes a cached symbol or generates a new generic one.
 func getPermanentSymbol(p game.Permanent, i int) *ebiten.Image {
 	permanentSymbol := assets.GetSymbol(p.Card().FileName())
 	if permanentSymbol == nil {
@@ -292,7 +293,9 @@ func getPermanentSymbol(p game.Permanent, i int) *ebiten.Image {
 		}
 	}
 
-	return permanentSymbol
+	// Return a copy of the image to allow modifications without affect other
+	// uses of the symbol.
+	return ebiten.NewImageFromImage(permanentSymbol)
 }
 
 func (vw *MapView) drawPermanentsLayer(screen *ebiten.Image) {
@@ -321,12 +324,12 @@ func (vw *MapView) drawPermanentsLayer(screen *ebiten.Image) {
 				}
 			}
 
-			vw.permanentsLayer.DrawImage(permanentSymbol, op)
-
 			// Draw a pile hint
 			if len(p.Pile()) > 0 {
 				drawPileHint(permanentSymbol)
 			}
+
+			vw.permanentsLayer.DrawImage(permanentSymbol, op)
 		}
 	}