New settings 'preview if stand still' and 'deferred preview rotation'.

apps/openmw/mwrender/camera.cpp

@@ -55,6 +55,8 @@ namespace MWRender
       mFirstPersonView(true),
       mMode(Mode::Normal),
       mVanityAllowed(true),
+      mStandingPreviewAllowed(Settings::Manager::getBool("preview if stand still", "Camera")),
+      mDeferredRotationAllowed(Settings::Manager::getBool("deferred preview rotation", "Camera")),
       mNearest(30.f),
       mFurthest(800.f),
       mIsNearest(false),
@@ -200,6 +202,24 @@ namespace MWRender
         mSmoothedSpeed += osg::clampBetween(speed - mSmoothedSpeed, -maxDelta, maxDelta);
 
         mMaxNextCameraDistance = mCameraDistance + duration * (100.f + mBaseCameraDistance);
+        updateStandingPreviewMode();
+    }
+
+    void Camera::updateStandingPreviewMode()
+    {
+        if (!mStandingPreviewAllowed)
+            return;
+        float speed = mTrackingPtr.getClass().getSpeed(mTrackingPtr);
+        bool combat = mTrackingPtr.getClass().isActor() &&
+                      mTrackingPtr.getClass().getCreatureStats(mTrackingPtr).getDrawState() != MWMechanics::DrawState_Nothing;
+        bool standingStill = speed == 0 && !combat && !mFirstPersonView;
+        if (!standingStill && mMode == Mode::StandingPreview)
+        {
+            mMode = Mode::Normal;
+            calculateDeferredRotation();
+        }
+        else if (standingStill && mMode == Mode::Normal)
+            mMode = Mode::StandingPreview;
     }
 
     void Camera::setFocalPointTargetOffset(osg::Vec2d v)
@@ -266,6 +286,7 @@ namespace MWRender
             mTrackingPtr.getClass().getCreatureStats(mTrackingPtr).setSideMovementAngle(0);
 
         mFirstPersonView = !mFirstPersonView;
+        updateStandingPreviewMode();
         processViewChange();
     }
 
@@ -296,6 +317,8 @@ namespace MWRender
         if ((mMode == Mode::Vanity) == enable)
             return true;
         mMode = enable ? Mode::Vanity : Mode::Normal;
+        if (!mDeferredRotationAllowed)
+            disableDeferredPreviewRotation();
         if (!enable)
             calculateDeferredRotation();
 
@@ -312,8 +335,14 @@ namespace MWRender
             return;
 
         mMode = enable ? Mode::Preview : Mode::Normal;
-        if (!enable)
+        if (mMode == Mode::Normal)
+            updateStandingPreviewMode();
+        if (mMode == Mode::Normal)
+        {
+            if (!mDeferredRotationAllowed)
+                disableDeferredPreviewRotation();
             calculateDeferredRotation();
+        }
         processViewChange();
     }
 
@@ -432,6 +461,13 @@ namespace MWRender
         rot *= delta;
         mDeferredRotation -= rot;
 
+        if (mDeferredRotationDisabled)
+        {
+            mDeferredRotationDisabled = delta > 0.0001;
+            rotateCameraToTrackingPtr();
+            return;
+        }
+
         auto& movement = mTrackingPtr.getClass().getMovementSettings(mTrackingPtr);
         movement.mRotation[0] += rot.x();
         movement.mRotation[1] += rot.y();
@@ -453,16 +489,22 @@ namespace MWRender
         setYaw(-mTrackingPtr.getRefData().getPosition().rot[2] - mDeferredRotation.z());
     }
 
+    void Camera::instantTransition()
+    {
+        mSkipFocalPointTransition = true;
+        mDeferredRotationDisabled = false;
+        mDeferredRotation = osg::Vec3f();
+        rotateCameraToTrackingPtr();
+    }
+
     void Camera::calculateDeferredRotation()
     {
         MWWorld::Ptr ptr = mTrackingPtr;
         if (isVanityOrPreviewModeEnabled() || ptr.isEmpty())
             return;
-        if (isFirstPerson() || mDeferredRotationDisabled)
+        if (mFirstPersonView)
         {
-            mDeferredRotationDisabled = false;
-            mDeferredRotation = osg::Vec3f();
-            rotateCameraToTrackingPtr();
+            instantTransition();
             return;
         }
 

apps/openmw/mwrender/camera.hpp

@@ -24,7 +24,7 @@ namespace MWRender
     class Camera
     {
     public:
-        enum class Mode { Normal, Vanity, Preview };
+        enum class Mode { Normal, Vanity, Preview, StandingPreview };
 
     private:
         MWWorld::Ptr mTrackingPtr;
@@ -38,6 +38,8 @@ namespace MWRender
         bool mFirstPersonView;
         Mode mMode;
         bool mVanityAllowed;
+        bool mStandingPreviewAllowed;
+        bool mDeferredRotationAllowed;
 
         float mNearest;
         float mFurthest;
@@ -79,6 +81,7 @@ namespace MWRender
         osg::Vec3f mDeferredRotation;
         bool mDeferredRotationDisabled;
         void calculateDeferredRotation();
+        void updateStandingPreviewMode();
 
     public:
         Camera(osg::Camera* camera);
@@ -90,7 +93,7 @@ namespace MWRender
 
         void setFocalPointTransitionSpeed(float v) { mFocalPointTransitionSpeedCoef = v; }
         void setFocalPointTargetOffset(osg::Vec2d v);
-        void skipFocalPointTransition() { mSkipFocalPointTransition = true; }
+        void instantTransition();
         void enableDynamicCameraDistance(bool v) { mDynamicCameraDistanceEnabled = v; }
         void enableCrosshairInThirdPersonMode(bool v) { mShowCrosshairInThirdPersonMode = v; }
 

apps/openmw/mwrender/viewovershoulder.cpp

@@ -77,6 +77,9 @@ namespace MWRender
 
     void ViewOverShoulderController::trySwitchShoulder()
     {
+        if (mCamera->getMode() != Camera::Mode::Normal)
+            return;
+
         const float limitToSwitch = 120; // switch to other shoulder if wall is closer than this limit
         const float limitToSwitchBack = 300; // switch back to default shoulder if there is no walls at this distance
 

apps/openmw/mwworld/worldimp.cpp

@@ -945,7 +945,7 @@ namespace MWWorld
         removeContainerScripts(getPlayerPtr());
         mWorldScene->changeToInteriorCell(cellName, position, adjustPlayerPos, changeEvent);
         addContainerScripts(getPlayerPtr(), getPlayerPtr().getCell());
-        mRendering->getCamera()->skipFocalPointTransition();
+        mRendering->getCamera()->instantTransition();
     }
 
     void World::changeToExteriorCell (const ESM::Position& position, bool adjustPlayerPos, bool changeEvent)
@@ -961,7 +961,7 @@ namespace MWWorld
         removeContainerScripts(getPlayerPtr());
         mWorldScene->changeToExteriorCell(position, adjustPlayerPos, changeEvent);
         addContainerScripts(getPlayerPtr(), getPlayerPtr().getCell());
-        mRendering->getCamera()->skipFocalPointTransition();
+        mRendering->getCamera()->instantTransition();
     }
 
     void World::changeToCell (const ESM::CellId& cellId, const ESM::Position& position, bool adjustPlayerPos, bool changeEvent)

docs/source/reference/modding/settings/camera.rst

@@ -174,3 +174,27 @@ Slightly pulls camera away (or closer in case of negative value) when the charac
 
 This setting can only be configured by editing the settings configuration file.
 
+preview if stand still
+----------------------
+
+:Type:		boolean
+:Range:		True/False
+:Default:	False
+
+If enabled then the character rotation is not synchonized with the camera rotation while the character doesn't move and not in combat mode.
+
+This setting can only be configured by editing the settings configuration file.
+
+deferred preview rotation
+-------------------------
+
+:Type:		boolean
+:Range:		True/False
+:Default:	True
+
+Makes difference only in third person mode.
+If enabled then the character smoothly rotates to the view direction after exiting preview or vanity mode.
+If disabled then the camera rotates rather than the character.
+
+This setting can only be configured by editing the settings configuration file.
+

files/settings-default.cfg

@@ -48,6 +48,12 @@ auto switch shoulder = true
 # Slightly pulls camera away when the character moves. Works only in 'view over shoulder' mode. Set to 0 to disable.
 zoom out when move coef = 20
 
+# Automatically enable preview mode when player doesn't move.
+preview if stand still = false
+
+# Rotate the character to the view direction after exiting preview mode.
+deferred preview rotation = true
+
 [Cells]
 
 # Preload cells in a background thread. All settings starting with 'preload' have no effect unless this is enabled.