public void CleanupAvatar()
        {
            StopLoadingCoroutines();

            eyebrowsController?.CleanUp();
            eyebrowsController = null;

            eyesController?.CleanUp();
            eyesController = null;

            mouthController?.CleanUp();
            mouthController = null;

            bodyShapeController?.CleanUp();
            bodyShapeController = null;

            using (var iterator = wearableControllers.GetEnumerator())
            {
                while (iterator.MoveNext())
                {
                    iterator.Current.Value.CleanUp();
                }
            }

            wearableControllers.Clear();
            model          = null;
            isLoading      = false;
            OnFailEvent    = null;
            OnSuccessEvent = null;

            if (lodController != null)
            {
                Environment.i.platform.avatarsLODController.RemoveAvatar(lodController);
            }

            if (bodySnapshotTexturePromise != null)
            {
                AssetPromiseKeeper_Texture.i.Forget(bodySnapshotTexturePromise);
            }

            CatalogController.RemoveWearablesInUse(wearablesInUse);
            wearablesInUse.Clear();
            OnVisualCue?.Invoke(VisualCue.CleanedUp);
        }
        private IEnumerator LoadAvatar()
        {
            yield return(new WaitUntil(() => gameObject.activeSelf));

            bool loadSoftFailed = false;

            WearableItem resolvedBody = null;

            Helpers.Promise <WearableItem> avatarBodyPromise = null;
            if (!string.IsNullOrEmpty(model.bodyShape))
            {
                avatarBodyPromise = CatalogController.RequestWearable(model.bodyShape);
            }
            else
            {
                OnFailEvent?.Invoke(true);
                yield break;
            }

            List <WearableItem> resolvedWearables = new List <WearableItem>();
            List <Helpers.Promise <WearableItem> > avatarWearablePromises = new List <Helpers.Promise <WearableItem> >();

            if (model.wearables != null)
            {
                for (int i = 0; i < model.wearables.Count; i++)
                {
                    avatarWearablePromises.Add(CatalogController.RequestWearable(model.wearables[i]));
                }
            }

            // In this point, all the requests related to the avatar's wearables have been collected and sent to the CatalogController to be sent to kernel as a unique request.
            // From here we wait for the response of the requested wearables and process them.
            if (avatarBodyPromise != null)
            {
                yield return(avatarBodyPromise);

                if (!string.IsNullOrEmpty(avatarBodyPromise.error))
                {
                    Debug.LogError(avatarBodyPromise.error);
                    loadSoftFailed = true;
                }
                else
                {
                    resolvedBody = avatarBodyPromise.value;
                    wearablesInUse.Add(avatarBodyPromise.value.id);
                }
            }

            if (resolvedBody == null)
            {
                isLoading = false;
                OnFailEvent?.Invoke(true);
                yield break;
            }

            List <Helpers.Promise <WearableItem> > replacementPromises = new List <Helpers.Promise <WearableItem> >();

            foreach (var avatarWearablePromise in avatarWearablePromises)
            {
                yield return(avatarWearablePromise);

                if (!string.IsNullOrEmpty(avatarWearablePromise.error))
                {
                    Debug.LogError(avatarWearablePromise.error);
                    loadSoftFailed = true;
                }
                else
                {
                    WearableItem wearableItem = avatarWearablePromise.value;
                    wearablesInUse.Add(wearableItem.id);
                    if (wearableItem.GetRepresentation(model.bodyShape) != null)
                    {
                        resolvedWearables.Add(wearableItem);
                    }
                    else
                    {
                        model.wearables.Remove(wearableItem.id);
                        string defaultReplacement = DefaultWearables.GetDefaultWearable(model.bodyShape, wearableItem.data.category);
                        if (!string.IsNullOrEmpty(defaultReplacement))
                        {
                            model.wearables.Add(defaultReplacement);
                            replacementPromises.Add(CatalogController.RequestWearable(defaultReplacement));
                        }
                    }
                }
            }

            foreach (var wearablePromise in replacementPromises)
            {
                yield return(wearablePromise);

                if (!string.IsNullOrEmpty(wearablePromise.error))
                {
                    Debug.LogError(wearablePromise.error);
                    loadSoftFailed = true;
                }
                else
                {
                    WearableItem wearableItem = wearablePromise.value;
                    wearablesInUse.Add(wearableItem.id);
                    resolvedWearables.Add(wearableItem);
                }
            }

            bool bodyIsDirty = false;

            if (bodyShapeController != null && bodyShapeController.id != model?.bodyShape)
            {
                bodyShapeController.CleanUp();
                bodyShapeController = null;
                bodyIsDirty         = true;
            }

            if (bodyShapeController == null)
            {
                HideAll();
                bodyShapeController = new BodyShapeController(resolvedBody);
                eyesController      = FacialFeatureController.CreateDefaultFacialFeature(bodyShapeController.bodyShapeId, Categories.EYES, eyeMaterial);
                eyebrowsController  = FacialFeatureController.CreateDefaultFacialFeature(bodyShapeController.bodyShapeId, Categories.EYEBROWS, eyebrowMaterial);
                mouthController     = FacialFeatureController.CreateDefaultFacialFeature(bodyShapeController.bodyShapeId, Categories.MOUTH, mouthMaterial);
            }
            else
            {
                //If bodyShape is downloading will call OnWearableLoadingSuccess (and therefore SetupDefaultMaterial) once ready
                if (bodyShapeController.isReady)
                {
                    bodyShapeController.SetupDefaultMaterial(defaultMaterial, model.skinColor, model.hairColor);
                }
            }

            bool             wearablesIsDirty = false;
            HashSet <string> unusedCategories = new HashSet <string>(Categories.ALL);
            int wearableCount = resolvedWearables.Count;

            for (int index = 0; index < wearableCount; index++)
            {
                WearableItem wearable = resolvedWearables[index];
                if (wearable == null)
                {
                    continue;
                }

                unusedCategories.Remove(wearable.data.category);
                if (wearableControllers.ContainsKey(wearable))
                {
                    if (wearableControllers[wearable].IsLoadedForBodyShape(bodyShapeController.bodyShapeId))
                    {
                        UpdateWearableController(wearable);
                    }
                    else
                    {
                        wearableControllers[wearable].CleanUp();
                    }
                }
                else
                {
                    AddWearableController(wearable);
                    if (wearable.data.category != Categories.EYES && wearable.data.category != Categories.MOUTH && wearable.data.category != Categories.EYEBROWS)
                    {
                        wearablesIsDirty = true;
                    }
                }
            }

            foreach (var category in unusedCategories)
            {
                switch (category)
                {
                case Categories.EYES:
                    eyesController = FacialFeatureController.CreateDefaultFacialFeature(bodyShapeController.bodyShapeId, Categories.EYES, eyeMaterial);
                    break;

                case Categories.MOUTH:
                    mouthController = FacialFeatureController.CreateDefaultFacialFeature(bodyShapeController.bodyShapeId, Categories.MOUTH, mouthMaterial);
                    break;

                case Categories.EYEBROWS:
                    eyebrowsController = FacialFeatureController.CreateDefaultFacialFeature(bodyShapeController.bodyShapeId, Categories.EYEBROWS, eyebrowMaterial);
                    break;
                }
            }


            HashSet <string> hiddenList = WearableItem.CompoundHidesList(bodyShapeController.bodyShapeId, resolvedWearables);

            if (!bodyShapeController.isReady)
            {
                bodyShapeController.Load(bodyShapeController.bodyShapeId, transform, OnWearableLoadingSuccess, OnBodyShapeLoadingFail);
            }

            foreach (WearableController wearable in wearableControllers.Values)
            {
                if (bodyIsDirty)
                {
                    wearable.boneRetargetingDirty = true;
                }

                wearable.Load(bodyShapeController.bodyShapeId, transform, OnWearableLoadingSuccess, x => OnWearableLoadingFail(x));
                yield return(null);
            }

            yield return(new WaitUntil(() => bodyShapeController.isReady && wearableControllers.Values.All(x => x.isReady)));

            eyesController?.Load(bodyShapeController, model.eyeColor);
            eyebrowsController?.Load(bodyShapeController, model.hairColor);
            mouthController?.Load(bodyShapeController, model.skinColor);

            yield return(new WaitUntil(() =>
                                       (eyebrowsController == null || (eyebrowsController != null && eyebrowsController.isReady)) &&
                                       (eyesController == null || (eyesController != null && eyesController.isReady)) &&
                                       (mouthController == null || (mouthController != null && mouthController.isReady))));

            if (bodyIsDirty || wearablesIsDirty)
            {
                OnVisualCue?.Invoke(VisualCue.Loaded);
            }

            bodyShapeController.SetActiveParts(unusedCategories.Contains(Categories.LOWER_BODY), unusedCategories.Contains(Categories.UPPER_BODY), unusedCategories.Contains(Categories.FEET));
            bodyShapeController.SetFacialFeaturesVisible(facialFeaturesVisible);
            bodyShapeController.UpdateVisibility(hiddenList);
            foreach (WearableController wearableController in wearableControllers.Values)
            {
                wearableController.UpdateVisibility(hiddenList);
            }

            CleanUpUnusedItems();

            isLoading = false;

            SetWearableBones();
            UpdateExpressions(model.expressionTriggerId, model.expressionTriggerTimestamp);
            if (lastStickerTimestamp != model.stickerTriggerTimestamp && model.stickerTriggerId != null)
            {
                lastStickerTimestamp = model.stickerTriggerTimestamp;
                stickersController?.PlayEmote(model.stickerTriggerId);
            }

            if (loadSoftFailed)
            {
                OnFailEvent?.Invoke(false);
            }
            else
            {
                OnSuccessEvent?.Invoke();
            }
        }