Add support for overriding Anim Graph output for Animated Model

Source/Engine/Animations/Graph/AnimGraph.cpp

@@ -273,6 +273,9 @@ void AnimGraphExecutor::Update(AnimGraphInstanceData& data, float dt)
             animResult = GetEmptyNodes();
     }
 
+    // Allow for external override of the local pose (eg. by the ragdoll)
+    data.LocalPoseOverride(animResult);
+
     // Calculate the global poses for the skeleton nodes
     {
         ANIM_GRAPH_PROFILE_EVENT("Global Pose");

Source/Engine/Animations/Graph/AnimGraph.h

@@ -75,7 +75,7 @@ struct RootMotionData
 /// Container for skeleton nodes transformation hierarchy and any other required data. 
 /// Unified layout for both local and model transformation spaces.
 /// </summary>
-struct AnimGraphImpulse
+struct FLAXENGINE_API AnimGraphImpulse
 {
     /// <summary>
     /// The skeleton nodes transformation hierarchy nodes. Size always matches the Anim Graph skeleton description.
@@ -245,7 +245,7 @@ public:
 /// <summary>
 /// The animation graph instance data storage. Required to update the animation graph.
 /// </summary>
-class AnimGraphInstanceData
+class FLAXENGINE_API AnimGraphInstanceData
 {
 public:
 
@@ -347,6 +347,11 @@ public:
     /// </summary>
     ScriptingObject* Object;
 
+    /// <summary>
+    /// The custom event called after local pose evaluation.
+    /// </summary>
+    Delegate<AnimGraphImpulse*> LocalPoseOverride;
+
 public:
 
     /// <summary>