2 files changed, 16 insertions, 1 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp
index 349c844470..f3f9c29157 100755
--- a/indra/llprimitive/llmodel.cpp
+++ b/indra/llprimitive/llmodel.cpp
@@ -1342,6 +1342,21 @@ LLSD LLModel::writeModel(std::ostream& ostr, LLModel* physics, LLModel* high, LL
 				mdl["skin"]["bind_shape_matrix"][i*4+j] = high->mBindShapeMatrix.mMatrix[i][j];
 			}
 		}
+		
+		if ( high->mAlternateBindMatrix.size() > 0 )
+		{
+			for (U32 i = 0; i < high->mJointList.size(); ++i)
+			{
+				for (U32 j = 0; j < 4; j++)
+				{
+					for (U32 k = 0; k < 4; k++)
+					{
+						mdl["skin"]["alt_inverse_bind_matrix"][i][j*4+k] = high->mAlternateBindMatrix[i].mMatrix[j][k]; 
+					}
+				}
+			}
+		}
+		
 	}
 
 	if (!decomp.empty())
diff --git a/indra/llprimitive/llmodel.h b/indra/llprimitive/llmodel.h
index ea703d7228..ff22d39e60 100755
--- a/indra/llprimitive/llmodel.h
+++ b/indra/llprimitive/llmodel.h
@@ -152,7 +152,7 @@ public:
 
 	LLMatrix4 mBindShapeMatrix;
 	std::vector<LLMatrix4> mInvBindMatrix;
-
+	std::vector<LLMatrix4> mAlternateBindMatrix;
 	std::string mLabel;
 
 	LLVector3 mNormalizedScale;