Make IsVerbose accessible outside the exporter

code/PostProcessing/MakeVerboseFormat.cpp

@@ -224,3 +224,32 @@ bool MakeVerboseFormatProcess::MakeVerboseFormat(aiMesh* pcMesh)
     }
     return (pcMesh->mNumVertices != iOldNumVertices);
 }
+
+
+// ------------------------------------------------------------------------------------------------
+bool IsMeshInVerboseFormat(const aiMesh* mesh) {
+    // avoid slow vector<bool> specialization
+    std::vector<unsigned int> seen(mesh->mNumVertices,0);
+    for(unsigned int i = 0; i < mesh->mNumFaces; ++i) {
+        const aiFace& f = mesh->mFaces[i];
+        for(unsigned int j = 0; j < f.mNumIndices; ++j) {
+            if(++seen[f.mIndices[j]] == 2) {
+                // found a duplicate index
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+bool MakeVerboseFormatProcess::IsVerboseFormat(const aiScene* pScene) {
+    for(unsigned int i = 0; i < pScene->mNumMeshes; ++i) {
+        if(!IsMeshInVerboseFormat(pScene->mMeshes[i])) {
+            return false;
+        }
+    }
+
+    return true;
+}

code/PostProcessing/MakeVerboseFormat.h

@@ -94,6 +94,13 @@ public:
     * @param pScene The imported data to work at. */
     void Execute( aiScene* pScene);
 
+public:
+
+    // -------------------------------------------------------------------
+    /** Checks whether the scene is already in verbose format.
+    * @param pScene The data to check. 
+    * @return true if the scene is already in verbose format. */
+    static bool IsVerboseFormat(const aiScene* pScene);
 
 private: