Merged pull request #1666

CHANGELOG.md

@@ -84,6 +84,7 @@
     Bug #4563: Fast travel price logic checks destination cell instead of service actor cell
     Bug #4565: Underwater view distance should be limited
     Bug #4573: Player uses headtracking in the 1st-person mode
+    Bug #4574: Player turning animations are twitchy
     Bug #4575: Weird result of attack animation blending with movement animations
     Bug #4576: Reset of idle animations when attack can not be started
     Feature #2606: Editor: Implemented (optional) case sensitive global search

apps/openmw/mwmechanics/character.cpp

@@ -1992,25 +1992,37 @@ void CharacterController::update(float duration)
             else if(rot.z() != 0.0f && !sneak && !(mPtr == getPlayer() && MWBase::Environment::get().getWorld()->isFirstPerson()))
             {
                 if(rot.z() > 0.0f)
-                {
                     movestate = inwater ? CharState_SwimTurnRight : CharState_TurnRight;
-                    mAnimation->disable(mCurrentJump);
-                }
                 else if(rot.z() < 0.0f)
-                {
                     movestate = inwater ? CharState_SwimTurnLeft : CharState_TurnLeft;
-                    mAnimation->disable(mCurrentJump);
-                }
             }
         }
 
-        mTurnAnimationThreshold -= duration;
-        if (isTurning())
-            mTurnAnimationThreshold = 0.05f;
-        else if (movestate == CharState_None && isTurning()
-                 && mTurnAnimationThreshold > 0)
+        // Player can not use smooth turning as NPCs, so we play turning animation a bit to avoid jittering
+        if (mPtr == getPlayer())
+        {
+            float threshold = mCurrentMovement.find("swim") == std::string::npos ? 0.4f : 0.8f;
+            float complete;
+            bool animPlaying = mAnimation->getInfo(mCurrentMovement, &complete);
+            if (movestate == CharState_None && isTurning())
+            {
+                if (animPlaying && complete < threshold)
+                    movestate = mMovementState;
+            }
+        }
+        else
         {
-            movestate = mMovementState;
+            mTurnAnimationThreshold -= duration;
+            if (movestate == CharState_TurnRight || movestate == CharState_TurnLeft ||
+                movestate == CharState_SwimTurnRight || movestate == CharState_SwimTurnLeft)
+            {
+                mTurnAnimationThreshold = 0.05f;
+            }
+            else if (movestate == CharState_None && isTurning()
+                    && mTurnAnimationThreshold > 0)
+            {
+                movestate = mMovementState;
+            }
         }
 
         if(movestate != CharState_None && !isTurning())
@@ -2040,8 +2052,10 @@ void CharacterController::update(float duration)
 
         if (isTurning())
         {
+            // Adjust animation speed from 1.0 to 1.5 multiplier
+            float turnSpeed = std::min(1.5f, std::abs(rot.z()) / duration / static_cast<float>(osg::PI));
             if (duration > 0)
-                mAnimation->adjustSpeedMult(mCurrentMovement, std::min(1.5f, std::abs(rot.z()) / duration / static_cast<float>(osg::PI)));
+                mAnimation->adjustSpeedMult(mCurrentMovement, std::max(turnSpeed, 1.0f));
         }
         else if (mMovementState != CharState_None && mAdjustMovementAnimSpeed)
         {

apps/openmw/mwmechanics/character.hpp

@@ -31,8 +31,10 @@ enum Priority {
     Priority_WeaponLowerBody,
     Priority_SneakIdleLowerBody,
     Priority_SwimIdle,
-    Priority_Jump,
     Priority_Movement,
+    // Note: in vanilla movement anims have higher priority than jump ones.
+    // It causes issues with landing animations during movement.
+    Priority_Jump,
     Priority_Hit,
     Priority_Weapon,
     Priority_Block,