From d7220cdc2fd45f196467aed8ee4fbe23741df211 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Fri, 28 Nov 2014 14:48:03 +0100
Subject: [PATCH] Do not allow decrease below zero in modCurrentMagicka and
 modCurrentHealth (Fixes #2158)

---
 apps/openmw/mwscript/statsextensions.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/apps/openmw/mwscript/statsextensions.cpp b/apps/openmw/mwscript/statsextensions.cpp
index befb8d82ea..d5647db10d 100644
--- a/apps/openmw/mwscript/statsextensions.cpp
+++ b/apps/openmw/mwscript/statsextensions.cpp
@@ -278,7 +278,9 @@ namespace MWScript
                     MWMechanics::DynamicStat<float> stat (ptr.getClass().getCreatureStats (ptr)
                         .getDynamic (mIndex));
 
-                    stat.setCurrent (diff + current, true);
+                    // for fatigue, a negative current value is allowed and means the actor will be knocked down
+                    bool allowDecreaseBelowZero = (mIndex == 2);
+                    stat.setCurrent (diff + current, allowDecreaseBelowZero);
 
                     ptr.getClass().getCreatureStats (ptr).setDynamic (mIndex, stat);
                 }