From 172efa6ba57bca0abd1f0c2cd96d3a5920f6bcef Mon Sep 17 00:00:00 2001
From: Mathieu Schroeter <mathieu@schroetersa.ch>
Date: Wed, 9 Aug 2017 00:22:49 +0200
Subject: [PATCH] Fix a bug where it possibles to take the control of an enemy

This bug was reported by https://youtu.be/MyWZj20-Iok?t=9m

The idea is to enter in the enemy factory when it should not be
possible because the enemy is already into.
---
 src/obstacle.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/obstacle.cxx b/src/obstacle.cxx
index 584efa0..ccb266e 100644
--- a/src/obstacle.cxx
+++ b/src/obstacle.cxx
@@ -1750,6 +1750,12 @@ bool CDecor::IsFreeCelGo (POINT cel, Sint32 rank)
                             icon == 122))  // mine de fer ?
     return false;
 
+  // Refuse to go in an ennemy factory when the door is open.
+  if (
+    channel == CHOBJECT &&
+    (icon == 18 || icon == 101 || icon == 103 || icon == 105 || icon == 116))
+    return false;
+
   bOK = IsFreeCel (cel, rank);
   if (bOK)
     return true;