From c31d57561a06b4375f596e5c16bf67e99f2c53d7 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 3 Mar 2016 15:25:25 +0300
Subject: Fix targetting monsters what was first visible by player on
 unreachable tiles.

---
 src/being/being.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/being')

diff --git a/src/being/being.cpp b/src/being/being.cpp
index df52f7793..bfd9083a0 100644
--- a/src/being/being.cpp
+++ b/src/being/being.cpp
@@ -1714,7 +1714,15 @@ void Being::nextTile() restrict2
     }
 
     if (mX != pos.x || mY != pos.y)
+    {
         mOldHeight = mMap->getHeightOffset(mX, mY);
+        if (mMap &&
+            mReachable == Reachable::REACH_NO &&
+            mMap->getBlockMask(mX, mY) != mMap->getBlockMask(pos.x, pos.y))
+        {
+            mReachable = Reachable::REACH_UNKNOWN;
+        }
+    }
     mX = pos.x;
     mY = pos.y;
     const uint8_t height = mMap->getHeightOffset(mX, mY);
-- 
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