Fix not completely correct camera transition when switching from 1st person to 3rd person if armed.

apps/openmw/mwinput/actionmanager.cpp

@@ -110,19 +110,21 @@ namespace MWInput
 
             if (MWBase::Environment::get().getInputManager()->getControlSwitch("playerviewswitch"))
             {
+                const float switchLimit = 0.25;
+                MWBase::World* world = MWBase::Environment::get().getWorld();
                 if (mBindingsManager->actionIsActive(A_TogglePOV))
                 {
-                    if (mPreviewPOVDelay == 0)
-                        MWBase::Environment::get().getWorld()->togglePreviewMode(true);
+                    if (world->isFirstPerson() ? mPreviewPOVDelay > switchLimit : mPreviewPOVDelay == 0)
+                        world->togglePreviewMode(true);
                     mPreviewPOVDelay += dt;
                 }
                 else
                 {
                     //disable preview mode
                     if (mPreviewPOVDelay > 0)
-                        MWBase::Environment::get().getWorld()->togglePreviewMode(false);
-                    if (mPreviewPOVDelay > 0.f && mPreviewPOVDelay <= 0.25)
-                        MWBase::Environment::get().getWorld()->togglePOV();
+                        world->togglePreviewMode(false);
+                    if (mPreviewPOVDelay > 0.f && mPreviewPOVDelay <= switchLimit)
+                        world->togglePOV();
                     mPreviewPOVDelay = 0.f;
                 }
             }

apps/openmw/mwrender/camera.cpp

@@ -287,6 +287,7 @@ namespace MWRender
 
         mFirstPersonView = !mFirstPersonView;
         updateStandingPreviewMode();
+        instantTransition();
         processViewChange();
     }
 
@@ -337,6 +338,8 @@ namespace MWRender
         mMode = enable ? Mode::Preview : Mode::Normal;
         if (mMode == Mode::Normal)
             updateStandingPreviewMode();
+        else if (mFirstPersonView)
+            instantTransition();
         if (mMode == Mode::Normal)
         {
             if (!mDeferredRotationAllowed)