switched to use the level gbimage instead of the background property

util/ldtkhelpers.go

@@ -2,6 +2,8 @@ package util
 
 import (
 	"openquell/config"
+	"path/filepath"
+	"strings"
 
 	"github.com/solarlune/ldtkgo"
 )
@@ -71,3 +73,7 @@ func GetPropertyToggleTile(entity *ldtkgo.Entity) *TileSetSubRect {
 
 	return nil
 }
+
+func GetBGImage(plan *ldtkgo.Level) string {
+	return filepath.Base(strings.TrimSuffix(plan.BGImage.Path, ".png"))
+}