Prevent monsters with no path from following us down stairs. Fix cont…

…ributed by Uronym.
CleverRaven · Mar 17, 2013 · 00e5046 · 00e5046
1 parent 87729d0
commit 00e5046
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/monmove.cpp b/monmove.cpp
@@ -766,6 +766,10 @@ bool monster::will_reach(game *g, int x, int y)
  if (has_flag(MF_IMMOBILE) && (posx != x || posy != y))
   return false;
 
+ std::vector<point> path = g->m.route(posx, posy, x, y, has_flag(MF_BASHES));
+ if (path.size() == 0)
+   return false;
+
  if (has_flag(MF_SMELLS) && g->scent(posx, posy) > 0 &&
      g->scent(x, y) > g->scent(posx, posy))
   return true;