From c684c99a95f3462ee96926af8a8eafbbf3b39975 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Mon, 1 Dec 2014 13:43:11 +0100
Subject: [PATCH] Combat AI: Don't attempt to cast spells when impossible to
 succeed (Fixes #2059)

---
 apps/openmw/mwmechanics/aicombataction.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apps/openmw/mwmechanics/aicombataction.cpp b/apps/openmw/mwmechanics/aicombataction.cpp
index cc8279b1e..6b4ede305 100644
--- a/apps/openmw/mwmechanics/aicombataction.cpp
+++ b/apps/openmw/mwmechanics/aicombataction.cpp
@@ -9,6 +9,7 @@
 #include "../mwworld/actionequip.hpp"
 
 #include "../mwmechanics/npcstats.hpp"
+#include "../mwmechanics/spellcasting.hpp"
 
 #include <components/esm/loadench.hpp>
 #include <components/esm/loadmgef.hpp>
@@ -166,6 +167,9 @@ namespace MWMechanics
     {
         const CreatureStats& stats = actor.getClass().getCreatureStats(actor);
 
+        if (MWMechanics::getSpellSuccessChance(spell, actor) == 0)
+            return 0.f;
+
         if (spell->mData.mType != ESM::Spell::ST_Spell)
             return 0.f;