From 09836ed2495d10f5c1438159d6b5b7f69cca1612 Mon Sep 17 00:00:00 2001
From: Steffen Mecke <stm2@users.sf.net>
Date: Tue, 8 Dec 2015 20:05:48 +0100
Subject: [PATCH] make dragon movement more deterministic

---
 src/monsters.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/monsters.c b/src/monsters.c
index b48cb7c82..3819b4323 100644
--- a/src/monsters.c
+++ b/src/monsters.c
@@ -677,7 +677,7 @@ static order *plan_dragon(unit * u)
         }
     }
 
-    if (move) {
+    if (move && (!ta | chance(0.1))) {
         /* dragon gets bored and looks for a different place to go */
         ta = set_new_dragon_target(u, u->region, DRAGON_RANGE);
     }