Do not interrupt swim and sneak idle animations during attack (bug #4122)

apps/openmw/mwinput/inputmanagerimp.cpp

@@ -232,7 +232,10 @@ namespace MWInput
         if (mControlSwitch["playercontrols"])
         {
             if (action == A_Use)
-                mPlayer->setAttackingOrSpell(currentValue != 0);
+            {
+                MWMechanics::DrawState_ state = MWBase::Environment::get().getWorld()->getPlayer().getDrawState();
+                mPlayer->setAttackingOrSpell(currentValue != 0 && state != MWMechanics::DrawState_Nothing);
+            }
             else if (action == A_Jump)
                 mAttemptJump = (currentValue == 1.0 && previousValue == 0.0);
         }

apps/openmw/mwmechanics/character.cpp

@@ -1278,7 +1278,16 @@ bool CharacterController::updateWeaponState()
     bool animPlaying;
     if(mAttackingOrSpell)
     {
-        mIdleState = CharState_None;
+        MWWorld::Ptr player = getPlayer();
+
+        // We should reset player's idle animation in the first-person mode.
+        if (mPtr == player && MWBase::Environment::get().getWorld()->isFirstPerson())
+            mIdleState = CharState_None;
+
+        // In other cases we should not break swim and sneak animations
+        if (mIdleState != CharState_IdleSneak && mIdleState != CharState_IdleSwim)
+            mIdleState = CharState_None;
+
         if(mUpperBodyState == UpperCharState_WeapEquiped && (mHitState == CharState_None || mHitState == CharState_Block))
         {
             MWBase::Environment::get().getWorld()->breakInvisibility(mPtr);
@@ -1288,7 +1297,7 @@ bool CharacterController::updateWeaponState()
                 // Unset casting flag, otherwise pressing the mouse button down would
                 // continue casting every frame if there is no animation
                 mAttackingOrSpell = false;
-                if (mPtr == getPlayer())
+                if (mPtr == player)
                 {
                     MWBase::Environment::get().getWorld()->getPlayer().setAttackingOrSpell(false);
                 }
@@ -1298,7 +1307,7 @@ bool CharacterController::updateWeaponState()
                 // For the player, set the spell we want to cast
                 // This has to be done at the start of the casting animation,
                 // *not* when selecting a spell in the GUI (otherwise you could change the spell mid-animation)
-                if (mPtr == getPlayer())
+                if (mPtr == player)
                 {
                     std::string selectedSpell = MWBase::Environment::get().getWindowManager()->getSelectedSpell();
                     stats.getSpells().setSelectedSpell(selectedSpell);