From 55abf2cd3e897e7c06b860427a31484810b203dc Mon Sep 17 00:00:00 2001
From: Matthew Cline <zelgadis@sourceforge.net>
Date: Sun, 22 Nov 2009 17:43:23 -0800
Subject: On player teleport, reset mon->foe_memory

This should fix the problem of monsters tracking the player knowing
where the player teleports to.
---
 crawl-ref/source/spells3.cc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'crawl-ref/source/spells3.cc')

diff --git a/crawl-ref/source/spells3.cc b/crawl-ref/source/spells3.cc
index 4969da954f..a5e490fc65 100644
--- a/crawl-ref/source/spells3.cc
+++ b/crawl-ref/source/spells3.cc
@@ -1611,6 +1611,20 @@ static bool _teleport_player(bool allow_control, bool new_abyss_area)
     if (large_change)
         handle_interrupted_swap(true);
 
+    viewwindow(false, true);
+    for (monster_iterator mi; mi; ++mi)
+    {
+        const bool see_cell = you.see_cell(mi->pos());
+
+        if (mi->foe == MHITYOU && !see_cell)
+        {
+            mi->foe_memory = 0;
+            behaviour_event(*mi, ME_EVAL);
+        }
+        else if (see_cell)
+            behaviour_event(*mi, ME_EVAL);
+    }
+
     // Might identify unknown ring of teleport control.
     if (check_ring_TC)
         maybe_id_ring_TC();
-- 
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