From 4abb8b33fa0c3b5e5f809a783cfc62a9e02af338 Mon Sep 17 00:00:00 2001
From: prep linden <prep@lindenlab.com>
Date: Mon, 28 Feb 2011 12:20:31 -0500
Subject: sh-517 Content authors can specify a pivot node (Assetpivot).

---
 indra/llprimitive/llmodel.cpp | 16 ++++++++++++++++
 indra/llprimitive/llmodel.h   |  2 +-
 2 files changed, 17 insertions(+), 1 deletion(-)

(limited to 'indra/llprimitive')

diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp
index 3d03209eaf..a9101378a4 100755
--- a/indra/llprimitive/llmodel.cpp
+++ b/indra/llprimitive/llmodel.cpp
@@ -810,6 +810,22 @@ BOOL LLModel::createVolumeFacesFromFile(const std::string& file_name)
 	return FALSE;
 }
 
+void LLModel::offsetMesh( const LLVector3& pivotPoint )
+{
+	LLVector4a pivot( pivotPoint[VX], pivotPoint[VY], pivotPoint[VZ] );
+	
+	for (std::vector<LLVolumeFace>::iterator faceIt = mVolumeFaces.begin(); faceIt != mVolumeFaces.end(); )
+	{
+		std::vector<LLVolumeFace>:: iterator currentFaceIt = faceIt++;
+		LLVolumeFace& face = *currentFaceIt;
+		LLVector4a *pos = (LLVector4a*) face.mPositions;
+		
+		for (U32 i=0; i<face.mNumVertices; ++i )
+		{
+			pos[i].add( pivot );
+		}
+	}
+}
 
 void LLModel::optimizeVolumeFaces()
 {
diff --git a/indra/llprimitive/llmodel.h b/indra/llprimitive/llmodel.h
index ebf37904d4..c10ca1c11b 100755
--- a/indra/llprimitive/llmodel.h
+++ b/indra/llprimitive/llmodel.h
@@ -123,7 +123,7 @@ public:
 
 	void normalizeVolumeFaces();
 	void optimizeVolumeFaces();
-
+	void offsetMesh( const LLVector3& pivotPoint );
 	void getNormalizedScaleTranslation(LLVector3& scale_out, LLVector3& translation_out);
 	std::vector<std::string> mMaterialList;
 
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