From ade19e52429321b4f927af77a96438d13fbdcbfe Mon Sep 17 00:00:00 2001 From: rubidium Date: Mon, 27 Dec 2010 22:32:47 +0000 Subject: (svn r21651) -Fix [FS#4338] (r21229): infinite loop in the road pathfinder due to bouncing around in an "one way" trap; two one ways pointing towards eachother making it impossible to leave --- src/pathfinder/yapf/yapf_road.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src') diff --git a/src/pathfinder/yapf/yapf_road.cpp b/src/pathfinder/yapf/yapf_road.cpp index eb832b320..57d020622 100644 --- a/src/pathfinder/yapf/yapf_road.cpp +++ b/src/pathfinder/yapf/yapf_road.cpp @@ -103,6 +103,7 @@ public: FORCEINLINE bool PfCalcCost(Node& n, const TrackFollower *tf) { int segment_cost = 0; + uint tiles = 0; /* start at n.m_key.m_tile / n.m_key.m_td and walk to the end of segment */ TileIndex tile = n.m_key.m_tile; Trackdir trackdir = n.m_key.m_td; @@ -134,6 +135,7 @@ public: /* if we skipped some tunnel tiles, add their cost */ segment_cost += F.m_tiles_skipped * YAPF_TILE_LENGTH; + tiles += F.m_tiles_skipped + 1; /* add hilly terrain penalty */ segment_cost += Yapf().SlopeCost(tile, F.m_new_tile, trackdir); @@ -148,6 +150,7 @@ public: /* move to the next tile */ tile = F.m_new_tile; trackdir = new_td; + if (tiles > MAX_MAP_SIZE) break;; }; /* save end of segment back to the node */ -- cgit v1.2.3-54-g00ecf