fixed crash

QtMeshViewer/Header/MshFile.h

@@ -31,4 +31,6 @@ private:
 
 	void readVertex(Segment* dataDestination, std::streampos position);
 	void readUV(Segment* dataDestination, std::streampos position);
+
+	QMatrix4x4 getParentMatrix(std::string parent) const;
 };

QtMeshViewer/Source/GeometryEngine.cpp

@@ -26,7 +26,7 @@ GeometryEngine::~GeometryEngine()
 	for (auto it : m_textures)
 		delete it;
 	m_textures.clear();
-	m_textures.squeeze();
+	m_drawList.clear();
 }
 
 
@@ -41,11 +41,49 @@ void GeometryEngine::initCubeGeometry()
 
 	try
 	{
-		MshFile file("..\\Release\\Msh\\sphere.msh");
+		MshFile file("..\\Release\\Msh\\triClothMan.msh");
 		 models = file.getModels();
-		//TODO use models local, apply MVP directly to the vertex, save size and tex index info
+		//TODO normalize
-
 		//TODO: handle the textures
+
+		// collect data
+		unsigned int offsetCount(0);
+		for (auto& modelIterator : *models)
+		{
+			for (auto& segmentIterator : modelIterator->segmList)
+			{
+				// get draw information
+				DrawInformation new_info;
+				new_info.offset = offsetCount;
+				new_info.size = segmentIterator->indices.size();
+				new_info.textureIndex = segmentIterator->textureIndex;
+				new_info.modelMatrix = modelIterator->m4x4Translation;
+
+				// add offset to indices
+				for (auto& it : segmentIterator->indices)
+					it += new_info.offset;
+
+				// save data
+				vertexData += segmentIterator->vertices;
+				indexData += segmentIterator->indices;
+				m_drawList.push_back(new_info);
+
+				// update offset
+				offsetCount += new_info.size;
+			}
+		}
+
+		// Transfer vertex data to VBO 0
+		m_arrayBuf.bind();
+		m_arrayBuf.allocate(vertexData.data(), vertexData.size() * sizeof(VertexData));
+
+		// Transfer index data to VBO 1
+		m_indexBuf.bind();
+		m_indexBuf.allocate(indexData.data(), indexData.size() * sizeof(GLuint));
+
+		// load the texture
+		initTexture();
+
 	}
 	catch (std::invalid_argument e)
 	{
@@ -53,43 +91,7 @@ void GeometryEngine::initCubeGeometry()
 		auto msg = e.what();
 	}
 
-	// collect data
+	
-	unsigned int offsetCount(0);
-	for (auto& modelIterator : *models)
-	{
-		for (auto& segmentIterator : modelIterator->segmList)
-		{
-			// get draw information
-			DrawInformation new_info;
-			new_info.offset = offsetCount;
-			new_info.size = segmentIterator->indices.size();
-			new_info.textureIndex = segmentIterator->textureIndex;
-			new_info.modelMatrix = modelIterator->m4x4Translation;
-
-			// add offset to indices
-			for (auto& it : segmentIterator->indices)
-				it += new_info.offset;
-
-			// save data
-			vertexData += segmentIterator->vertices;
-			indexData += segmentIterator->indices;
-			m_drawList.push_back(new_info);
-
-			// update offset
-			offsetCount += new_info.size;
-		}
-	}
-
-	// Transfer vertex data to VBO 0
-	m_arrayBuf.bind();
-	m_arrayBuf.allocate(vertexData.data(),vertexData.size() * sizeof(VertexData));
-
-	// Transfer index data to VBO 1
-	m_indexBuf.bind();
-	m_indexBuf.allocate(indexData.data(), indexData.size() * sizeof(GLuint));
-
-	// load the texture
-	initTexture();
 }
 
 void GeometryEngine::initTexture()
@@ -146,9 +148,9 @@ void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program)
 	{
 		// bind the correct texture
 		if (it.textureIndex < m_textures.size())
-			m_textures.last()->bind();
-		else
 			m_textures.at(it.textureIndex)->bind();
+		else
+			m_textures.last()->bind();
 
 		// Set model matrix
 		program->setUniformValue("m_matrix", it.modelMatrix);

QtMeshViewer/Source/MshFile.cpp

@@ -17,6 +17,7 @@ MshFile::MshFile(const char * path)
 
 MshFile::~MshFile()
 {
+	//TODO: clean up
 }
 
 
@@ -294,6 +295,8 @@ void MshFile::analyseModlChunks(Model * dataDestination, std::list<ChunkHeader*>
 			dataDestination->m4x4Translation.rotate(QQuaternion(tmp_rotation[3], tmp_rotation[0], tmp_rotation[1], tmp_rotation[2]));
 			dataDestination->m4x4Translation.translate(tmp_trans[0], tmp_trans[1], tmp_trans[2]);
 
+			dataDestination->m4x4Translation = getParentMatrix(dataDestination->parent) * dataDestination->m4x4Translation;
+
 		}
 
 		// geometry data
@@ -604,4 +607,21 @@ void MshFile::readUV(Segment * dataDestination, std::streampos position)
 		for (unsigned int j = 0; j < 2; j++)
 			m_file.read(F2V(dataDestination->vertices[i].texCoord[j]), sizeof(float));
 	}
-}
+}
+
+QMatrix4x4 MshFile::getParentMatrix(std::string parent) const
+{
+	QMatrix4x4 matrix;
+
+	for (auto& it : *m_models)
+	{
+		if (!strcmp(parent.c_str(), it->name.c_str()))
+		{
+			//TODO: the other way around??
+			matrix = getParentMatrix(it->parent) * it->m4x4Translation;
+			break;
+		}
+	}
+
+	return matrix;
+}