From 53990ffa4243014692b3d325cbe7c18efa911459 Mon Sep 17 00:00:00 2001
From: Alexey Medvedev <amedvedev@fb.com>
Date: Tue, 31 Mar 2020 14:18:51 -0700
Subject: [PATCH] Check for existed bone

---
 code/PostProcessing/SplitByBoneCountProcess.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/code/PostProcessing/SplitByBoneCountProcess.cpp b/code/PostProcessing/SplitByBoneCountProcess.cpp
index 015ba9bf6..1fd26c757 100644
--- a/code/PostProcessing/SplitByBoneCountProcess.cpp
+++ b/code/PostProcessing/SplitByBoneCountProcess.cpp
@@ -217,7 +217,11 @@ void SplitByBoneCountProcess::SplitMesh( const aiMesh* pMesh, std::vector<aiMesh
               const std::vector<BoneWeight>& vb = vertexBones[face.mIndices[b]];
               for( unsigned int c = 0; c < vb.size(); ++c)
               {
-                newBonesAtCurrentFace.insert(vb[c].first);
+                unsigned int boneIndex = vb[c].first;
+                if( !isBoneUsed[boneIndex] )
+                {
+                  newBonesAtCurrentFace.insert(boneIndex);
+                }   
               }
             }