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-rw-r--r--game/geoData.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/game/geoData.cpp b/game/geoData.cpp
index 6c6f1df..e2b7f66 100644
--- a/game/geoData.cpp
+++ b/game/geoData.cpp
@@ -232,7 +232,11 @@ GeoData::walkUntil(const PointFace & from, const GlobalPosition2D to, const std:
{
auto f = from.face(this);
if (!f.is_valid()) {
- f = opposite_face_handle(findEntry(from.point, to));
+ const auto entryEdge = findEntry(from.point, to);
+ if (!entryEdge.is_valid()) {
+ return;
+ }
+ f = opposite_face_handle(entryEdge);
}
FaceHandle previousFace;
while (f.is_valid() && !op(f)) {