Don't run scripts when in pause menu (Fixes #1495)

apps/openmw/engine.cpp

@@ -91,7 +91,11 @@ bool OMW::Engine::frameRenderingQueued (const Ogre::FrameEvent& evt)
         if (mUseSound)
             MWBase::Environment::get().getSoundManager()->update(frametime);
 
-        bool paused = MWBase::Environment::get().getWindowManager()->isGuiMode();
+        // GUI active? Most game processing will be paused, but scripts still run.
+        bool guiActive = MWBase::Environment::get().getWindowManager()->isGuiMode();
+
+        // Main menu opened? Then scripts are also paused.
+        bool paused = MWBase::Environment::get().getWindowManager()->containsMode(MWGui::GM_MainMenu);
 
         // update game state
         MWBase::Environment::get().getStateManager()->update (frametime);
@@ -99,15 +103,18 @@ bool OMW::Engine::frameRenderingQueued (const Ogre::FrameEvent& evt)
         if (MWBase::Environment::get().getStateManager()->getState()==
             MWBase::StateManager::State_Running)
         {
-            // global scripts
-            MWBase::Environment::get().getScriptManager()->getGlobalScripts().run();
+            if (!paused)
+            {
+                // global scripts
+                MWBase::Environment::get().getScriptManager()->getGlobalScripts().run();
 
-            // local scripts
-            executeLocalScripts();
+                // local scripts
+                executeLocalScripts();
 
-            MWBase::Environment::get().getWorld()->markCellAsUnchanged();
+                MWBase::Environment::get().getWorld()->markCellAsUnchanged();
+            }
 
-            if (!paused)
+            if (!guiActive)
                 MWBase::Environment::get().getWorld()->advanceTime(
                     frametime*MWBase::Environment::get().getWorld()->getTimeScaleFactor()/3600);
         }
@@ -118,14 +125,14 @@ bool OMW::Engine::frameRenderingQueued (const Ogre::FrameEvent& evt)
             MWBase::StateManager::State_NoGame)
         {
             MWBase::Environment::get().getMechanicsManager()->update(frametime,
-                paused);
+                guiActive);
         }
 
         if (MWBase::Environment::get().getStateManager()->getState()==
             MWBase::StateManager::State_Running)
         {
             MWWorld::Ptr player = mEnvironment.getWorld()->getPlayerPtr();
-            if(!paused && player.getClass().getCreatureStats(player).isDead())
+            if(!guiActive && player.getClass().getCreatureStats(player).isDead())
                 MWBase::Environment::get().getStateManager()->endGame();
         }
 
@@ -133,7 +140,7 @@ bool OMW::Engine::frameRenderingQueued (const Ogre::FrameEvent& evt)
         if (MWBase::Environment::get().getStateManager()->getState()!=
             MWBase::StateManager::State_NoGame)
         {
-            MWBase::Environment::get().getWorld()->update(frametime, paused);
+            MWBase::Environment::get().getWorld()->update(frametime, guiActive);
         }
 
         // update GUI