OpenSim.Framework.AvatarAppearance.DetachAttachment C# (CSharp) Method

        public void DetachAttachment(UUID itemID)
        {
            foreach (KeyValuePair<int, List<AvatarAttachment>> kvp in m_attachments)
            {
                int index = kvp.Value.FindIndex(delegate(AvatarAttachment a) { return a.ItemID == itemID; });
                if (index >= 0)
                {
                    // Remove it from the list of attachments at that attach point
                    m_attachments[kvp.Key].RemoveAt(index);

                    // And remove the list if there are no more attachments here
                    if (m_attachments[kvp.Key].Count == 0)
                        m_attachments.Remove(kvp.Key);
                    return;
                }
            }
        }

        protected bool FixCurrentOutFitFolder(UUID user, ref AvatarAppearance avappearance)
        {
            IInventoryProviderSelector inventorySelect = ProviderRegistry.Instance.Get<IInventoryProviderSelector>();
            IInventoryStorage inventoryService = inventorySelect.GetProvider(user);
            InventoryFolderBase CurrentOutfitFolder = null;
            bool changed = false;

            try
            {
                CurrentOutfitFolder = inventoryService.FindFolderForType(user, AssetType.CurrentOutfitFolder);
            }
            catch (InventoryStorageException)
            {
                // could not find it by type. load root and try to find it by name.
                InventorySubFolderBase foundFolder = null;
                InventoryFolderBase rootFolder = inventoryService.FindFolderForType(user, AssetType.RootFolder);
                foreach (var subfolder in rootFolder.SubFolders)
                {
                    if (subfolder.Name == COF_NAME)
                    {
                        foundFolder = subfolder;
                        break;
                    }
                }
                if (foundFolder != null)
                {
                    CurrentOutfitFolder = inventoryService.GetFolder(foundFolder.ID);
                    if (CurrentOutfitFolder != null)
                    {
                        CurrentOutfitFolder.Level = InventoryFolderBase.FolderLevel.TopLevel;
                        inventoryService.SaveFolder(CurrentOutfitFolder);
                    }
                }
            }
            if (CurrentOutfitFolder == null) return false;
            List<InventoryItemBase> ic = inventoryService.GetFolder(CurrentOutfitFolder.ID).Items;
            List<InventoryItemBase> brokenLinks = new List<InventoryItemBase>();
            List<UUID> OtherStuff = new List<UUID>();
            List<AvatarWearable> wearables = avappearance.GetWearables();
            foreach (var i in ic)
            {
                InventoryItemBase linkedItem = null;
                try {
                    linkedItem = inventoryService.GetItem(i.AssetID, UUID.Zero);
                } catch (InventoryStorageException) {
                    linkedItem = null;
                }
                if (linkedItem == null)
                    brokenLinks.Add(i);
                else if (linkedItem.ID == AvatarWearable.DEFAULT_EYES_ITEM ||
                         linkedItem.ID == AvatarWearable.DEFAULT_BODY_ITEM ||
                         linkedItem.ID == AvatarWearable.DEFAULT_HAIR_ITEM ||
                         linkedItem.ID == AvatarWearable.DEFAULT_PANTS_ITEM ||
                         linkedItem.ID == AvatarWearable.DEFAULT_SHIRT_ITEM ||
                         linkedItem.ID == AvatarWearable.DEFAULT_SKIN_ITEM)
                    brokenLinks.Add(i); //Default item link, needs removed
                else if (wearables.Find((w)=>w.ItemID == i.AssetID) == null)
                    brokenLinks.Add(i);
                else if (!OtherStuff.Contains(i.AssetID))
                    OtherStuff.Add(i.AssetID);
                else
                    brokenLinks.Add(i);
            }

            foreach (AvatarWearable wearable in wearables)
            {
                if (wearable.ItemID == UUID.Zero) continue;
                if (!OtherStuff.Contains(wearable.ItemID))
                {
                    InventoryItemBase linkedItem = null;
                    try
                    {
                        linkedItem = inventoryService.GetItem(wearable.ItemID, UUID.Zero);
                    }
                    catch (InventoryStorageException)
                    {
                        linkedItem = null;
                    }
                    if (linkedItem != null)
                    {
                        InventoryItemBase linkedItem3 = (InventoryItemBase)linkedItem.Clone();
                        linkedItem3.AssetID = linkedItem.ID;
                        linkedItem3.AssetType = (int)AssetType.Link;
                        linkedItem3.ID = UUID.Random();
                        linkedItem3.CurrentPermissions = linkedItem.NextPermissions;
                        linkedItem3.EveryOnePermissions = linkedItem.NextPermissions;
                        linkedItem3.Folder = CurrentOutfitFolder.ID;
                        inventoryService.CreateItem(linkedItem3);
                        changed = true;
                    }
                }
            }

            List<UUID> items2UnAttach = new List<UUID>();
            foreach (int ap in avappearance.GetAttachedPoints())
            {
                foreach (AvatarAttachment attachment in avappearance.GetAttachmentsAtPoint(ap))
                {
                    if (attachment.ItemID == UUID.Zero) continue;
                    if (!OtherStuff.Contains(attachment.ItemID))
                    {
                        changed = true;
                        InventoryItemBase linkedItem = null;
                        try
                        {
                            linkedItem = inventoryService.GetItem(attachment.ItemID, UUID.Zero);
                        }
                        catch (InventoryStorageException)
                        {
                            linkedItem = null;
                        }
                        if(linkedItem != null)
                        {
                            InventoryItemBase linkedItem3 = (InventoryItemBase)linkedItem.Clone();
                            linkedItem3.AssetID = linkedItem.ID;
                            linkedItem3.AssetType = (int)AssetType.Link;
                            linkedItem3.ID = UUID.Random();
                            linkedItem3.CurrentPermissions = linkedItem.NextPermissions;
                            linkedItem3.EveryOnePermissions = linkedItem.NextPermissions;
                            linkedItem3.Folder = CurrentOutfitFolder.ID;
                            inventoryService.CreateItem(linkedItem3);
                        }
                        else
                            items2UnAttach.Add(attachment.ItemID);
                    }
                }
            }

            foreach (UUID uuid in items2UnAttach)
            {
                avappearance.DetachAttachment(uuid);
            }

            if (brokenLinks.Count != 0)
                inventoryService.PurgeItems(brokenLinks);
            return changed || brokenLinks.Count > 0;
        }