diff options
| -rw-r--r-- | engines/sci/engine/kpathing.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/engines/sci/engine/kpathing.cpp b/engines/sci/engine/kpathing.cpp index 07d0a31f0b..89ba309288 100644 --- a/engines/sci/engine/kpathing.cpp +++ b/engines/sci/engine/kpathing.cpp @@ -1106,6 +1106,12 @@ static Polygon *convert_polygon(EngineState *s, reg_t polygon) { } } + // Check if the target polygon is still valid. It may have been released + // in the meantime (e.g. in LSL6, room 700, when using the elevator). + // Refer to bug #3034501. + if (segMan->getSegmentType(points.segment) != SEG_TYPE_DYNMEM) + return NULL; + for (i = skip; i < size; i++) { Vertex *vertex = new Vertex(read_point(segMan, points, i)); poly->vertices.insertHead(vertex); |