Add hint to TODO on how to improve field of view calculation.

diff --git a/TODO b/TODO
index 00b66b2ed702694a56b220423db14b4afab45476..6ac09aac9b5754e3f67e0781cd2ee79cada5879b 100644 (file)
--- a/TODO
+++ b/TODO
@@ -15,7 +15,8 @@ BOTH SERVER/CLIENT:
 
 SERVER:
 
-- optimize too-slow AI / FOV algorithms
+- optimize too-slow AI / FOV algorithms; maybe use
+  <http://forums.roguetemple.com/index.php?topic=3675.0>?
 
 - save confserver/world data in record and save file, too; handle them like god
   commands