From 0f5272cb508cf32dcba6c14a6b626fca96b95817 Mon Sep 17 00:00:00 2001
From: Alexander Gessler <alexander.gessler@gmx.net>
Date: Wed, 18 Sep 2013 18:35:41 +0200
Subject: [PATCH] Obj: set aiMesh::mPrimitiveTypes

---
 code/ObjFileImporter.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/code/ObjFileImporter.cpp b/code/ObjFileImporter.cpp
index bb12785e1..aed160738 100644
--- a/code/ObjFileImporter.cpp
+++ b/code/ObjFileImporter.cpp
@@ -276,14 +276,23 @@ void ObjFileImporter::createTopology(const ObjFile::Model* pModel,
 	for (size_t index = 0; index < pObjMesh->m_Faces.size(); index++)
 	{
 		ObjFile::Face* const inp = pObjMesh->m_Faces[ index ];
+	
 		if (inp->m_PrimitiveType == aiPrimitiveType_LINE) {
 			pMesh->mNumFaces += inp->m_pVertices->size() - 1;
+			pMesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
 		}
 		else if (inp->m_PrimitiveType == aiPrimitiveType_POINT) {
 			pMesh->mNumFaces += inp->m_pVertices->size();
+			pMesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
 		}
 		else {
 			++pMesh->mNumFaces;
+			if (inp->m_pVertices->size() > 3) {
+				pMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
+			}
+			else {
+				pMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+			}
 		}
 	}