From c3b8882dd60fcf6dcd99c6d85487f5fbb0cd0238 Mon Sep 17 00:00:00 2001
From: TsengSR <tsengsr@example.com>
Date: Sun, 17 Aug 2025 20:51:42 +0200
Subject: [PATCH] Updated Attachments collection faster as soon as we get an
 object update from the server. This helps avoid a lot of issues where labels
 are not updating in Radegast.

---
 LibreMetaverse/AppearanceManager.cs | 32 +++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/LibreMetaverse/AppearanceManager.cs b/LibreMetaverse/AppearanceManager.cs
index f5a30321..e092e38a 100644
--- a/LibreMetaverse/AppearanceManager.cs
+++ b/LibreMetaverse/AppearanceManager.cs
@@ -426,6 +426,7 @@ namespace OpenMetaverse
             Client.Network.RegisterCallback(PacketType.AgentCachedTextureResponse, AgentCachedTextureResponseHandler);
             Client.Network.RegisterCallback(PacketType.RebakeAvatarTextures, RebakeAvatarTexturesHandler);
 
+            Client.Objects.ObjectUpdate += Objects_AttachmentUpdate;
             Client.Network.Disconnected += Network_OnDisconnected;
             Client.Network.SimChanged += Network_OnSimChanged;
         }
@@ -2716,6 +2717,37 @@ namespace OpenMetaverse
             Client.Network.CurrentSim.Caps.CapabilitiesReceived += Simulator_OnCapabilitiesReceived;
         }
 
+        private void Objects_AttachmentUpdate(object sender, PrimEventArgs e)
+        {
+            Primitive prim = e.Prim;
+
+            if (Client.Self.LocalID == 0
+                || prim.ParentID != Client.Self.LocalID
+                || prim.NameValues == null
+                || !prim.IsAttachment
+                || !e.IsNew)
+            {
+                return;
+            }
+
+            // Updates Attachment points as soon as the data arrives
+            for (int i = 0; i < prim.NameValues.Length; ++i)
+            {
+                if (prim.NameValues[i].Name != "AttachItemID")
+                {
+                    continue;
+                }
+
+                UUID inventoryID = new UUID(prim.NameValues[i].Value.ToString());
+
+                if (Attachments.TryGetValue(inventoryID, out AttachmentPoint attachmentPoint))
+                {
+                    Attachments.AddOrUpdate(inventoryID, attachmentPoint, (id, value) => prim.PrimData.AttachmentPoint);
+                }
+                break;
+            }
+        }
+
         private void Simulator_OnCapabilitiesReceived(object sender, CapabilitiesReceivedEventArgs e)
         {
             e.Simulator.Caps.CapabilitiesReceived -= Simulator_OnCapabilitiesReceived;