(svn r14305) -Fix [FS#2294] (r5033): [YAPF] Only reserve road slots for multistop when they are really reachable.
--- a/src/yapf/yapf_road.cpp Fri Sep 12 22:52:48 2008 +0000
+++ b/src/yapf/yapf_road.cpp Fri Sep 12 23:23:41 2008 +0000
@@ -322,14 +322,15 @@
TrackdirBits dst_td_bits = TrackStatusToTrackdirBits(GetTileTrackStatus(dst_tile, TRANSPORT_ROAD, v->u.road.compatible_roadtypes));
Yapf().SetDestination(dst_tile, dst_td_bits);
- // find the best path
- Yapf().FindPath(v);
-
// if path not found - return distance = UINT_MAX
uint dist = UINT_MAX;
+
+ // find the best path
+ if (!Yapf().FindPath(v)) return dist;
+
Node *pNode = Yapf().GetBestNode();
if (pNode != NULL) {
- // path was found or at least suggested
+ // path was found
// get the path cost estimate
dist = pNode->GetCostEstimate();
}