stop local scripts from being run twice in case of activation

apps/openmw/engine.cpp

@@ -38,13 +38,18 @@ void OMW::Engine::executeLocalScripts()
         mEnvironment.mWorld->getLocalScripts().begin());
         iter!=mEnvironment.mWorld->getLocalScripts().end(); ++iter)
     {
-        MWScript::InterpreterContext interpreterContext (mEnvironment,
-            &iter->second.getRefData().getLocals(), MWWorld::Ptr (iter->second));
-        mScriptManager->run (iter->first, interpreterContext);
+        if (!mIgnoreLocalPtr.isEmpty() && mIgnoreLocalPtr!=iter->second)
+        {
+            MWScript::InterpreterContext interpreterContext (mEnvironment,
+                &iter->second.getRefData().getLocals(), MWWorld::Ptr (iter->second));
+            mScriptManager->run (iter->first, interpreterContext);
 
-        if (mEnvironment.mWorld->hasCellChanged())
-            break;
+            if (mEnvironment.mWorld->hasCellChanged())
+                break;
+        }
     }
+
+    mIgnoreLocalPtr = MWWorld::Ptr();
 }
 
 bool OMW::Engine::frameStarted(const Ogre::FrameEvent& evt)
@@ -291,7 +296,10 @@ void OMW::Engine::activate()
     std::string script = MWWorld::Class::get (ptr).getScript (ptr);
 
     if (!script.empty())
+    {
+        mIgnoreLocalPtr = ptr;
         mScriptManager->run (script, interpreterContext);
+    }
 
     if (!interpreterContext.hasActivationBeenHandled())
     {

apps/openmw/engine.hpp

@@ -11,6 +11,7 @@
 #include <components/compiler/extensions.hpp>
 
 #include "mwworld/environment.hpp"
+#include "mwworld/ptr.hpp"
 
 namespace Compiler
 {
@@ -68,6 +69,8 @@ namespace OMW
             int focusFrameCounter;
             static const int focusUpdateFrame = 10;
 
+            MWWorld::Ptr mIgnoreLocalPtr;
+
             // not implemented
             Engine (const Engine&);
             Engine& operator= (const Engine&);