modified scene system

src/ModelManager.cpp

@@ -61,7 +61,6 @@ std::shared_ptr<Model> ModelManager::load_from_file(std::string_view _path, bool
         model->materials.push_back(std::make_shared<Material>(mat));
     }
 
-    model->meshes.resize(scene->mNumMeshes);
     for (unsigned int i = 0; i < scene->mNumMeshes; i++) {
         aiMesh* aiMesh = scene->mMeshes[i];
         Mesh mesh{};
@@ -80,22 +79,22 @@ std::shared_ptr<Model> ModelManager::load_from_file(std::string_view _path, bool
     return model;
 }
 
-void process_ai_node(aiNode* aiNode, const aiScene* scene, glm::mat4 transform, ModelNode* node)
+void process_ai_node(aiNode* aiNode, const aiScene* scene, glm::mat4 transform, ModelNode& node)
 {
     const auto t = aiNode->mTransformation;
     transform = transform * glm::mat4(t.a1, t.a2, t.a3, t.a4, t.b1, t.b2, t.b3, t.b4, t.c1, t.c2, t.c3, t.c4, t.d1, t.d2, t.d3, t.d4);
 
-    node->transform = transform;
+    node.transform = transform;
 
     for (unsigned int i = 0; i < aiNode->mNumMeshes; i++) {
-        node->meshIndices.push_back(aiNode->mMeshes[i]);
+        node.meshIndices.push_back(aiNode->mMeshes[i]);
     }
 
     for (unsigned int i = 0; i < aiNode->mNumChildren; i++)
     {
         ModelNode newNode{};
         process_ai_node(aiNode->mChildren[i], scene, transform, newNode);
-        node->children.push_back(newNode);
+        node.children.push_back(newNode);
     }
 }