FlipLevelTransformer: Do not flip invalid (removed) objects

Fixes #3076.
SuperTux · Oct 11, 2024 · 8670ba2 · 8670ba2
1 parent 4dd3fee
commit 8670ba2
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/supertux/flip_level_transformer.cpp b/src/supertux/flip_level_transformer.cpp
@@ -31,7 +31,11 @@ FlipLevelTransformer::transform_sector(Sector& sector)
 {
   float height = sector.get_height();
 
-  for (auto& object : sector.get_objects()) {
+  for (auto& object : sector.get_objects())
+  {
+    if (!object->is_valid())
+      return;
+
     object->on_flip(height);
   }