Fix the build.

code/AMFImporter_Postprocess.cpp

@@ -261,11 +261,20 @@ std::string TextureConverted_ID;
 	size_t off_b = 0;
 
 	// Calculate size of the target array and rule how data will be copied.
-	if(!pID_R.empty()) { tex_size += src_texture[0]->Data.size(); step++, off_g++, off_b++; }
-	if(!pID_G.empty()) { tex_size += src_texture[1]->Data.size(); step++, off_b++; }
-	if(!pID_B.empty()) { tex_size += src_texture[2]->Data.size(); step++; }
-	if(!pID_A.empty()) { tex_size += src_texture[3]->Data.size(); step++; }
-
+    if ( nullptr != src_texture ) {
+        if(!pID_R.empty()) {
+            tex_size += src_texture[0]->Data.size(); step++, off_g++, off_b++;
+        }
+        if(!pID_G.empty()) {
+            tex_size += src_texture[1]->Data.size(); step++, off_b++;
+        }
+        if(!pID_B.empty()) {
+            tex_size += src_texture[2]->Data.size(); step++;
+        }
+        if(!pID_A.empty()) {
+            tex_size += src_texture[3]->Data.size(); step++;
+        }
+    }
 	// Create target array.
 	converted_texture.Data = new uint8_t[tex_size];
 	// And copy data

code/ObjExporter.h

@@ -53,8 +53,7 @@ struct aiScene;
 struct aiNode;
 struct aiMesh;
 
-namespace Assimp
-{
+namespace Assimp {
 
 // ------------------------------------------------------------------------------------------------
 /** Helper class to export a given scene to an OBJ file. */
@@ -73,7 +72,6 @@ public:
     std::ostringstream mOutput, mOutputMat;
 
 private:
-
     // intermediate data structures
     struct FaceVertex {
         FaceVertex()

include/assimp/Importer.hpp

@@ -58,7 +58,7 @@ namespace Assimp    {
     // =======================================================================
     // Public interface to Assimp
     class Importer;
-    class Exporter; // export.hpp
+    //class Exporter; // export.hpp
     class IOStream;
     class IOSystem;
     class ProgressHandler;
@@ -77,7 +77,7 @@ namespace Assimp    {
     // =======================================================================
     // Holy stuff, only for members of the high council of the Jedi.
     class ImporterPimpl;
-    class ExporterPimpl; // export.hpp
+    //class ExporterPimpl; // export.hpp
 } //! namespace Assimp
 
 #define AI_PROPERTY_WAS_NOT_EXISTING 0xffffffff

test/unit/utObjImportExport.cpp

@@ -42,10 +42,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "UnitTestPCH.h"
 #include "SceneDiffer.h"
 #include "AbstractImportExportBase.h"
-
+#include <assimp/scene.h>
 #include <assimp/Importer.hpp>
 #include <assimp/Exporter.hpp>
-#include <assimp/scene.h>
 
 using namespace Assimp;