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| author | Samuel Bronson <naesten@gmail.com> | 2011-11-15 19:32:55 -0500 |
|---|---|---|
| committer | Samuel Bronson <naesten@gmail.com> | 2011-11-15 19:32:55 -0500 |
| commit | 83a33ba1101d73943dd128d3620fd368ecd2cc3f (patch) | |
| tree | 11aca42caed33d181b8762501cc0ac1be80795da /crawl-ref/source/mon-pathfind.cc | |
| parent | 4da733a9287c7e203294f4d00c701c95dc2d1d1a (diff) | |
| download | crawl-ref-83a33ba1101d73943dd128d3620fd368ecd2cc3f.tar.gz crawl-ref-83a33ba1101d73943dd128d3620fd368ecd2cc3f.zip | |
Fix range check in monster_pathfind::calc_path_to_neighbours().
Not only was this a performance problem, it was also an AI buff for
creatures with intelligence I_NORMAL and below!
Diffstat (limited to 'crawl-ref/source/mon-pathfind.cc')
| -rw-r--r-- | crawl-ref/source/mon-pathfind.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/crawl-ref/source/mon-pathfind.cc b/crawl-ref/source/mon-pathfind.cc index c22a49387f..61f0e1145c 100644 --- a/crawl-ref/source/mon-pathfind.cc +++ b/crawl-ref/source/mon-pathfind.cc @@ -211,12 +211,13 @@ bool monster_pathfind::calc_path_to_neighbours() if (!traversable(npos) && npos != target) continue; + distance = dist[pos.x][pos.y] + travel_cost(npos); + old_dist = dist[npos.x][npos.y]; + // Ignore this grid if it takes us above the allowed distance. - if (range && estimated_cost(npos) > range) + if (range && distance > range) continue; - distance = dist[pos.x][pos.y] + travel_cost(npos); - old_dist = dist[npos.x][npos.y]; #ifdef DEBUG_PATHFIND mprf("old dist: %d, new dist: %d, infinite: %d", old_dist, distance, INFINITE_DISTANCE); |