From 57a56b7b1d390a7ab0b8e93aaf6a2f01a0254725 Mon Sep 17 00:00:00 2001
From: ywang <ywang@snapchat.com>
Date: Thu, 25 Jul 2019 13:14:54 -0700
Subject: [PATCH] extra layer for multi uv sets

---
 code/FBX/FBXExporter.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/code/FBX/FBXExporter.cpp b/code/FBX/FBXExporter.cpp
index 08f4bdbc9..ae742dd5d 100644
--- a/code/FBX/FBXExporter.cpp
+++ b/code/FBX/FBXExporter.cpp
@@ -1219,6 +1219,16 @@ void FBXExporter::WriteObjects ()
         layer.AddChild(le);
         layer.Dump(outstream, binary, indent);
 
+        for(unsigned int lr = 1; lr < m->GetNumUVChannels(); ++ lr)
+        {
+            FBX::Node layerExtra("Layer", int32_t(1));
+            layerExtra.AddChild("Version", int32_t(100));
+            FBX::Node leExtra("LayerElement");
+            leExtra.AddChild("Type", "LayerElementUV");
+            leExtra.AddChild("TypedIndex", int32_t(lr));
+            layerExtra.AddChild(leExtra);
+            layerExtra.Dump(outstream, binary, indent);
+        }
         // finish the node record
         indent = 1;
         n.End(outstream, binary, indent, true);