Add slot stop methods without anim param.

Source/Engine/Level/Actors/AnimatedModel.cpp

@@ -563,6 +563,20 @@ void AnimatedModel::StopSlotAnimation(const StringView& slotName, Animation* ani
     }
 }
 
+void AnimatedModel::StopSlotAnimation(const StringView& slotName)
+{
+    for (auto& slot : GraphInstance.Slots)
+    {
+        if (slot.Name == slotName)
+        {
+            //slot.Animation = nullptr; // TODO: make an immediate version of this method and set the animation to nullptr.
+            if (slot.Animation != nullptr)
+                slot.Reset = true;
+            break;
+        }
+    }
+}
+
 void AnimatedModel::PauseSlotAnimation()
 {
     for (auto& slot : GraphInstance.Slots)
@@ -601,6 +615,16 @@ bool AnimatedModel::IsPlayingSlotAnimation(const StringView& slotName, Animation
     return false;
 }
 
+bool AnimatedModel::IsPlayingSlotAnimation(const StringView& slotName)
+{
+    for (auto& slot : GraphInstance.Slots)
+    {
+        if (slot.Name == slotName && !slot.Pause)
+            return true;
+    }
+    return false;
+}
+
 void AnimatedModel::ApplyRootMotion(const Transform& rootMotionDelta)
 {
     // Skip if no motion

Source/Engine/Level/Actors/AnimatedModel.h

@@ -414,6 +414,12 @@ public:
     /// <param name="slotName">The name of the slot.</param>
     /// <param name="anim">The animation to stop.</param>
     API_FUNCTION() void StopSlotAnimation(const StringView& slotName, Animation* anim);
+    
+    /// <summary>
+    /// Stops the animation playback on the slot in Anim Graph.
+    /// </summary>
+    /// <param name="slotName">The name of the slot.</param>
+    API_FUNCTION() void StopSlotAnimation(const StringView& slotName);
 
     /// <summary>
     /// Pauses all the animations playback on the all slots in Anim Graph.
@@ -439,6 +445,12 @@ public:
     /// <param name="anim">The animation to check.</param>
     API_FUNCTION() bool IsPlayingSlotAnimation(const StringView& slotName, Animation* anim);
 
+    /// <summary>
+    /// Checks if the animation playback is active on the slot in Anim Graph (not paused).
+    /// </summary>
+    /// <param name="slotName">The name of the slot.</param>
+    API_FUNCTION() bool IsPlayingSlotAnimation(const StringView& slotName);
+
 private:
     void ApplyRootMotion(const Transform& rootMotionDelta);
     void SyncParameters();