Use shared_ptr for SubdivEntrys

QTProject/mesh.cpp

@@ -86,7 +86,8 @@ void Mesh::MeshEntry::init(QOpenGLFunctions_4_3_Core *f,QVector<Vertex>& Vertice
     this->f = f;
 
     buffers.resize(1);
-    buffers[0].init(f,Vertices,Indices);
+    buffers[0].reset(new SubdivEntry);
+    buffers[0]->init(f,Vertices,Indices);
 
     //calc AABB
     for (int i = 0; i < Vertices.size(); ++i) {
@@ -102,8 +103,8 @@ void Mesh::MeshEntry::init(QOpenGLFunctions_4_3_Core *f,QVector<Vertex>& Vertice
 }
 
 void Mesh::MeshEntry::update(GLuint VB, QVector<Vertex>& Vertices, QVector<unsigned int>& Indices){
-    buffers.resize(buffers.size()+1);
-    SubdivEntry *entry = &buffers[buffers.size()-1];
+    SubdivEntry *entry = new SubdivEntry;
+    buffers.push_back(std::shared_ptr<SubdivEntry>(entry));
     entry->init(f,VB,Vertices,Indices);
 }
 
@@ -461,11 +462,11 @@ void Mesh::renderMesh(QOpenGLShaderProgram *shader, int index, int subdivision,
             materials[MaterialIndex].texture.bind(f,GL_TEXTURE0);
     }
 
-    if(entries[index].buffers.size()<= subdivision){
+    if(entries[index].buffers.size() <= subdivision){
         subdivision = entries[index].buffers.size()-1;
     }
 
-    SubdivEntry *entry = &entries[index].buffers[subdivision];
+    std::shared_ptr<SubdivEntry> entry = entries[index].buffers[subdivision];
 
     // Draw Vertex Array
     f->glBindBuffer(GL_ARRAY_BUFFER, entry->VB_handle);

QTProject/mesh.h

 #ifndef MESH_H
 #define MESH_H
 
+#include <memory>
 #include <QtOpenGL>
 #include <QOpenGLFunctions_4_3_Core>
 #include <assimp/Importer.hpp>
@@ -89,7 +90,7 @@ public:
 
         QString name;
 
-        QVector<SubdivEntry> buffers;
+        QVector<std::shared_ptr<SubdivEntry>> buffers;
 
 
         int materialIndex;

QTProject/subdivision.cpp

+#include <memory>
+
 #include "subdivision.h"
 
 Subdivision::Subdivision(QOpenGLFunctions_4_3_Core *f)
@@ -63,7 +65,7 @@ void Subdivision::subdivide(Mesh *mesh, int level) {
     if(level <= currentMax)
         return;
 
-    Mesh::SubdivEntry* entry = &current_mesh->buffers[currentMax];
+    std::shared_ptr<Mesh::SubdivEntry> entry = current_mesh->buffers[currentMax];
 
     input.vb_handle = entry->VB_handle;
     input.vertex_buffer = entry->vertices;