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-rw-r--r--pathfind.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/pathfind.c b/pathfind.c
index a359a75a4..2895a8026 100644
--- a/pathfind.c
+++ b/pathfind.c
@@ -764,7 +764,7 @@ start_at:
// The tile has no reachable tracks, or
// does the tile contain more than one track?
- if (bits == 0 || KILL_FIRST_BIT(GB(_m[tile].m5, 0, 6)) != 0)
+ if (bits == 0 || KILL_FIRST_BIT(bits) != 0)
break;
// If we reach here, the tile has exactly one track, and this
@@ -859,6 +859,8 @@ start_at:
estimation = DistanceMoo(tile, tpf->dest);
si.depth++;
+ if (si.depth == 0)
+ continue; /* We overflowed our depth. No more searching in this direction. */
si.tile = tile;
do {
si.track = _new_track[FIND_FIRST_BIT(bits)][direction];