From f3cece8dec04e230bc6a3cf91b8a1c4b0ca383a3 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Fri, 6 Jun 2014 14:12:50 +0200
Subject: [PATCH] Fix alchemy allowing same item ID in different slots (Fixes
 #1407)

---
 apps/openmw/mwmechanics/alchemy.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/openmw/mwmechanics/alchemy.cpp b/apps/openmw/mwmechanics/alchemy.cpp
index 64b358b96..2e03122d5 100644
--- a/apps/openmw/mwmechanics/alchemy.cpp
+++ b/apps/openmw/mwmechanics/alchemy.cpp
@@ -395,7 +395,8 @@ int MWMechanics::Alchemy::addIngredient (const MWWorld::Ptr& ingredient)
         return -1;
 
     for (TIngredientsIterator iter (mIngredients.begin()); iter!=mIngredients.end(); ++iter)
-        if (!iter->isEmpty() && ingredient.get<ESM::Ingredient>()==iter->get<ESM::Ingredient>())
+        if (!iter->isEmpty() && Misc::StringUtils::ciEqual(ingredient.getClass().getId(ingredient),
+                                                           iter->getClass().getId(*iter)))
             return -1;
 
     mIngredients[slot] = ingredient;