- export mesh deformers with dummies or bones

- FBX code re-arranged to get object count
- changed the way FBX ASCII lines are split at every ~2000 chars
- added option to export tangents
- fixed a problem with treeview continuous search

Unity Studio/Unity Classes/MeshFilter.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Unity_Studio
+{
+    public class MeshFilter
+    {
+        public long preloadIndex;
+        public PPtr m_GameObject = new PPtr();
+        public PPtr m_Mesh = new PPtr();
+
+        public MeshFilter(AssetPreloadData preloadData)
+        {
+            var sourceFile = preloadData.sourceFile;
+            var a_Stream = preloadData.sourceFile.a_Stream;
+            a_Stream.Position = preloadData.Offset;
+
+            if (sourceFile.platform == -2)
+            {
+                uint m_ObjectHideFlags = a_Stream.ReadUInt32();
+                PPtr m_PrefabParentObject = sourceFile.ReadPPtr();
+                PPtr m_PrefabInternal = sourceFile.ReadPPtr();
+            }
+
+            m_GameObject = sourceFile.ReadPPtr();
+            m_Mesh = sourceFile.ReadPPtr();
+        }
+    }
+}