3ds loader now sets aiMesh::mName according to the original mesh groups found in the file.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@727 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/3DSConverter.cpp

@@ -348,14 +348,14 @@ void Discreet3DSImporter::ConvertMeshes(aiScene* pcOut)
 	std::vector<aiMesh*> avOutMeshes;
 	avOutMeshes.reserve(mScene->mMeshes.size() * 2);
 
-	unsigned int iFaceCnt = 0;
+	unsigned int iFaceCnt = 0,num = 0;
+	aiString name;
 
 	// we need to split all meshes by their materials
-	for (std::vector<D3DS::Mesh>::iterator i =  mScene->mMeshes.begin();
+	for (std::vector<D3DS::Mesh>::iterator i =  mScene->mMeshes.begin(); i != mScene->mMeshes.end();++i)	{
-		i != mScene->mMeshes.end();++i)	
+		boost::scoped_array< std::vector<unsigned int> > aiSplit(new std::vector<unsigned int>[mScene->mMaterials.size()]);
-	{
+
-		std::vector<unsigned int>* aiSplit = new std::vector<unsigned int>[
+		name.length = ASSIMP_itoa10(name.data,num++);
-			mScene->mMaterials.size()];
 
 		unsigned int iNum = 0;
 		for (std::vector<unsigned int>::const_iterator a =  (*i).mFaceMaterials.begin();
@@ -366,9 +366,11 @@ void Discreet3DSImporter::ConvertMeshes(aiScene* pcOut)
 		// now generate submeshes
 		for (unsigned int p = 0; p < mScene->mMaterials.size();++p)
 		{
-			if (aiSplit[p].size())
+			if (aiSplit[p].empty())	{
-			{
+				continue;
+			}
 			aiMesh* meshOut = new aiMesh();
+			meshOut->mName = name;
 			meshOut->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
 
 			// be sure to setup the correct material index
@@ -414,19 +416,19 @@ void Discreet3DSImporter::ConvertMeshes(aiScene* pcOut)
 			}
 		}
 	}
-		delete[] aiSplit;
-	}
 
 	// Copy them to the output array
 	pcOut->mNumMeshes = (unsigned int)avOutMeshes.size();
 	pcOut->mMeshes = new aiMesh*[pcOut->mNumMeshes]();
-	for (unsigned int a = 0; a < pcOut->mNumMeshes;++a)
+	for (unsigned int a = 0; a < pcOut->mNumMeshes;++a) {
 		pcOut->mMeshes[a] = avOutMeshes[a];
+	}
 
 	// We should have at least one face here
-	if (!iFaceCnt)
+	if (!iFaceCnt) {
 		throw DeadlyImportError("No faces loaded. The mesh is empty");
 	}
+}
 
 // ------------------------------------------------------------------------------------------------
 // Add a node to the scenegraph and setup its final transformation

code/StringComparison.h

@@ -58,9 +58,10 @@ namespace Assimp	{
  * to have a small replacement function here. No need to use a full sprintf()
  * if we just want to print a number ...
  * @param out Output buffer
- * @param max Maximum number of characters to be written, including '\0'
+ * @param max Maximum number of characters to be written, including '\0'.
+ *   This parameter may not be 0.
  * @param number Number to be written
- * @return Number of bytes written.
+ * @return Length of the output string, excluding the '\0'
  */
 inline unsigned int ASSIMP_itoa10( char* out, unsigned int max, int32_t number)
 {
@@ -97,15 +98,15 @@ inline unsigned int ASSIMP_itoa10( char* out, unsigned int max, int32_t number)
 
 	// append a terminal zero
 	*out++ = '\0';
-	return written;
+	return written-1;
 }
 
 // -------------------------------------------------------------------------------
 /** @brief itoa with a fixed base 10 (Secure template overload)
- *  The compiler should choose this function if he is able to determine the
+ *  The compiler should choose this function if he or she is able to determine the
  *  size of the array automatically.
  */
-template <unsigned int length>
+template <size_t length>
 inline unsigned int ASSIMP_itoa10( char(& out)[length], int32_t number)
 {
 	return ASSIMP_itoa10(out,length,number);