Only run step collapsing based on original waypoints parameter (#4829)

2018-01-29 12:35:55 -08:00
parent 77f8a4f741
commit c154875272
4 changed files with 32 additions and 1 deletions
@@ -48,12 +48,14 @@ inline Result keep_all(const MatchParameters &params)

    result.can_be_removed.resize(params.coordinates.size(), false);
    result.was_waypoint.resize(params.coordinates.size(), true);
+    // by default all input coordinates are treated as waypoints
    if (!params.waypoints.empty())
    {
        for (const auto p : params.waypoints)
        {
            result.was_waypoint.set(p, false);
        }
+        // logic is a little funny, uses inversion to set the bitfield
        result.was_waypoint.flip();
    }
    result.tidied_to_original.reserve(params.coordinates.size());