From 74f1401b5a340793e022da1446523889030fa6c4 Mon Sep 17 00:00:00 2001
From: Christopher <git@clatza.dev>
Date: Fri, 10 Jul 2020 18:22:04 +0200
Subject: [PATCH] add noteCardReader

---
 src/helper/NoteCardReader.cs | 103 +++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 src/helper/NoteCardReader.cs

diff --git a/src/helper/NoteCardReader.cs b/src/helper/NoteCardReader.cs
new file mode 100644
index 0000000..7f5ff55
--- /dev/null
+++ b/src/helper/NoteCardReader.cs
@@ -0,0 +1,103 @@
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Scenes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenSim.Modules.Appearance2Avatar.helper
+{
+    class NoteCardReader
+    {
+        private Scene World = null;
+        private SceneObjectPart m_host = null;
+
+        public NoteCardReader(Scene scene, SceneObjectPart host)
+        {
+            World = scene;
+            m_host = host;
+        }
+
+        public string LoadNotecard(string notecardNameOrUuid)
+        {
+            UUID assetID = CacheNotecard(notecardNameOrUuid);
+
+            if (assetID != UUID.Zero)
+            {
+                StringBuilder notecardData = new StringBuilder();
+
+                for (int count = 0; count < NotecardCache.GetLines(assetID); count++)
+                {
+                    string line = NotecardCache.GetLine(assetID, count) + "\n";
+
+                    //                m_log.DebugFormat("[OSSL]: From notecard {0} loading line {1}", notecardNameOrUuid, line);
+
+                    notecardData.Append(line);
+                }
+
+                return notecardData.ToString();
+            }
+
+            return null;
+        }
+        protected UUID CacheNotecard(string notecardNameOrUuid)
+        {
+            UUID assetID = UUID.Zero;
+
+            bool notecardNameIsUUID = UUID.TryParse(notecardNameOrUuid, out assetID);
+
+            if (!notecardNameIsUUID)
+            {
+                assetID = SearchTaskInventoryForAssetId(notecardNameOrUuid);
+            }
+
+            if (assetID == UUID.Zero)
+                return UUID.Zero;
+
+            if (!NotecardCache.IsCached(assetID))
+            {
+                AssetBase a = World.AssetService.Get(assetID.ToString());
+
+                if (a == null)
+                {
+                    // Whoops, it's still possible here that the notecard name was properly
+                    // formatted like a UUID but isn't an asset UUID so lets look it up by name after all
+                    assetID = SearchTaskInventoryForAssetId(notecardNameOrUuid);
+                    if (assetID == UUID.Zero)
+                        return UUID.Zero;
+
+                    if (!NotecardCache.IsCached(assetID))
+                    {
+                        a = World.AssetService.Get(assetID.ToString());
+
+                        if (a == null)
+                        {
+                            return UUID.Zero;
+                        }
+                    }
+                }
+
+                NotecardCache.Cache(assetID, a.Data);
+            };
+
+            return assetID;
+        }
+        protected UUID SearchTaskInventoryForAssetId(string name)
+        {
+            UUID assetId = UUID.Zero;
+            m_host.TaskInventory.LockItemsForRead(true);
+            foreach (TaskInventoryItem item in m_host.TaskInventory.Values)
+            {
+                if (item.Type == 7 && item.Name == name)
+                {
+                    assetId = item.AssetID;
+                }
+            }
+            m_host.TaskInventory.LockItemsForRead(false);
+            return assetId;
+        }
+
+    }
+}