Why does my Override Controller dosen't change the Animation Clip?

Question

I'm trying to implement an Override Controller to override one Animation Clip for a cloned character at runtime. I tried a few different solution, but none of them are working. I hope somebody can help me.
using System.Collections; using System.Collections.Generic; using UnityEngine;

 public class StartScene_2 : MonoBehaviour 
 {    
     public GameObject charaPrefeb;
     public AnimationClip newClip;
     private Vector3 pos;
     private Animator anim;
     private AnimatorOverrideController animOverride;
     private RuntimeAnimatorController animRuntim;
     private AnimatorClipInfo[] m_CurrentClipInfo;
 
     // Use this for initialization
     void Start () 
     {
         
         pos = charaPrefeb.transform.position;
         Debug.Log (pos.ToString());
         pos.x = pos.x + 2.0f;
         GameObject charaInstance;
         charaInstance = Instantiate (charaPrefeb, pos, Quaternion.identity); //Cloning the charakter
         anim = charaInstance.GetComponent<Animator> (); //animator of the clone
 //        SetCurrentAnimation(anim, newClip.name);
 //        CreateController(anim, newClip);
 //        animRuntim = anim.runtimeAnimatorController;
 //        animOverride = animRuntim as AnimatorOverrideController;
         animOverride = new AnimatorOverrideController (); //creating override controller with the old runtime controller
         animOverride.runtimeAnimatorController = anim.runtimeAnimatorController;
         animOverride [newClip.name] = newClip; // setting new Animation clip
         Debug.Log(newClip.name);
         Debug.Log (animOverride.animationClips [0].name);
         anim.runtimeAnimatorController = animOverride; //overriding old animator of clone with the new controller
         anim.runtimeAnimatorController.name = "OverrideRunTimeController"; //name of the new controller
 //        anim.runtimeAnimatorController = Resources.Load("Assets/Mecanim") as RuntimeAnimatorController;
     }
 
     // Update is called once per frame
     void Update () 
     {
         
     }
 
     public void SetCurrentAnimation(Animator animator, string name)
     {
         RuntimeAnimatorController myController = animator.runtimeAnimatorController;
 
         AnimatorOverrideController myOverrideController = myController as AnimatorOverrideController;
         if (myOverrideController != null) {
             myController = myOverrideController.runtimeAnimatorController;
         }
 
         AnimatorOverrideController animatorOverride = new AnimatorOverrideController ();
         animatorOverride.runtimeAnimatorController = myController;
         animatorOverride [name] = newClip;
         animator.runtimeAnimatorController = animatorOverride;
         animator.runtimeAnimatorController.name = "AnimatorOverrideController";
     }
 
     /*    public void CreateController(Animator animator, AnimationClip clip)
     {
         RuntimeAnimatorController myOriginalController = animator.runtimeAnimatorController;
         AnimatorOverrideController myCurrentOverrideController = myOriginalController as AnimatorOverrideController;
 
         if (myCurrentOverrideController != null) 
         {
             if (myCurrentOverrideController [clip.name] == clip) 
             {
                 Debug.Log("Current state is already " + clip.name);
                 return;
             }
             myOriginalController = myCurrentOverrideController.runtimeAnimatorController;
             myCurrentOverrideController.runtimeAnimatorController = null;
         }
 
         AnimatorOverrideController myNewOverrideController = new AnimatorOverrideController ();
         myNewOverrideController.runtimeAnimatorController = myOriginalController;
 
         AnimatorStateInfo[] layerInfo = new AnimatorStateInfo[animator.layerCount];
         for (int i = 0; i < animator.layerCount; i++) {
             layerInfo [i] = animator.GetCurrentAnimatorStateInfo (i);
         }
         myNewOverrideController [clip.name] = clip;
         Debug.Log (clip.name);
         animator.runtimeAnimatorController = myNewOverrideController;
         animator.runtimeAnimatorController.name = "AnimatorOverrideController";
 
         animator.Update (0.0f);
 
         for (int i = 0; i < animator.layerCount; i++) {
             animator.Play (layerInfo [i].fullPathHash, i, layerInfo [i].normalizedTime);
         }
 
         m_CurrentClipInfo = animator.GetCurrentAnimatorClipInfo (0);
         Debug.Log (m_CurrentClipInfo[0].clip.name);
 
         Object.Destroy (myCurrentOverrideController);
     }*/
 }

Answer 1

I think the problem might be that the animation clip isn't overridden because the name of the clip you're intending to override doesn't match newClip.name.

 animOverride [newClip.name] = newClip;

In this case, newClip.name should be either be the same as the clip or replaced with the name of the clip to override.

 animOverride [clipToOverrideName] = newClip;

The following code works for me. Just change NameOfClipToOverride with the clip name to override.

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class StartScene_2 : MonoBehaviour
 {
     public GameObject charaPrefeb;
     public AnimationClip newClip;
     private Vector3 pos;
     private Animator anim;
     private AnimatorOverrideController animOverride;
     private RuntimeAnimatorController animRuntim;
     
     void Start()
     {
         GameObject charaInstance;
         charaInstance = Instantiate(charaPrefeb, pos, Quaternion.identity);
         anim = charaInstance.GetComponent<Animator>();
         
         animOverride = new AnimatorOverrideController(); 
         animOverride.runtimeAnimatorController = anim.runtimeAnimatorController;
         animOverride["NameOfClipToOverride"] = newClip;
         anim.runtimeAnimatorController = animOverride;
         anim.runtimeAnimatorController.name = "OverrideRunTimeController";
     }
 }

Why does my Override Controller dosen't change the Animation Clip?

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