issue_2016

only add material uv mappings if set, ignore when no uvmapping set
removed unneccessary pad_i1 field (to prevent unnecessary field read exceptions)

code/BlenderLoader.cpp

@@ -1045,7 +1045,10 @@ void BlenderImporter::ConvertMesh(const Scene& /*in*/, const Object* /*obj*/, co
                 }
             }
         }
-        matTexUvMappings.insert(std::make_pair(m, texuv));
+        if (texuv.size())
+        {
+            matTexUvMappings.insert(std::make_pair(m, texuv));
+        }
     }
 
     // collect texture coordinates, they're stored in a separate per-face buffer

code/BlenderScene.cpp

@@ -800,7 +800,6 @@ template <> void Structure::Convert<CustomData>(
     ) const
 {
     ReadFieldArray<ErrorPolicy_Warn>(dest.typemap, "typemap", db);
-    ReadField<ErrorPolicy_Igno>(dest.pad_i1, "pad_i1", db);
     ReadField<ErrorPolicy_Warn>(dest.totlayer, "totlayer", db);
     ReadField<ErrorPolicy_Warn>(dest.maxlayer, "maxlayer", db);
     ReadField<ErrorPolicy_Warn>(dest.totsize, "totsize", db);

code/BlenderScene.h

@@ -432,7 +432,6 @@ CustomData 208
 struct CustomData : ElemBase {
     vector<std::shared_ptr<struct CustomDataLayer> > layers;
     int typemap[42];    // CD_NUMTYPES
-    int pad_i1;
     int totlayer;
     int maxlayer;
     int totsize;

test/CMakeLists.txt

@@ -106,6 +106,7 @@ SET( IMPORTERS
   unit/utBlendImportAreaLight.cpp
   unit/utBlenderImportExport.cpp
   unit/utBlendImportMaterials.cpp
+  unit/utBlenderWork.cpp
   unit/utBVHImportExport.cpp
   unit/utColladaExportCamera.cpp
   unit/utColladaExportLight.cpp

test/unit/utBlenderWork.cpp

@@ -0,0 +1,82 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2018, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+#include <assimp/cexport.h>
+#include <assimp/Importer.hpp>
+#include <assimp/scene.h>
+#include <assimp/postprocess.h>
+
+using namespace ::Assimp;
+
+class BlenderWorkTest : public ::testing::Test {
+public:
+    virtual void SetUp()
+    {
+        im = new Assimp::Importer();
+    }
+
+    virtual void TearDown()
+    {
+        delete im;
+    }
+
+protected:
+
+    Assimp::Importer* im;
+};
+
+TEST_F(BlenderWorkTest,work_279) {
+    const aiScene* pTest = im->ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/test_279.blend", aiProcess_ValidateDataStructure);
+    ASSERT_TRUE(pTest != NULL);
+
+    // material has 2 diffuse textures
+    ASSERT_TRUE(pTest->HasMaterials());
+    ASSERT_TRUE(pTest->HasMeshes());
+    ASSERT_TRUE(pTest->mMeshes[0]->mNumVertices > 0);
+    EXPECT_EQ(1, pTest->mNumMaterials);
+}
+
+
+
+
+