void GroupNode::CopyAsChildren(Scene* scene, GroupNode* root) {
const std::vector<SceneNode*>& tocopy_children = root->Children();
std::deque<SceneNode*>
to_process(tocopy_children.begin(), tocopy_children.end());
SetTranslation(root->Translation());
SetRotation(root->Rotation());
SetScale(root->Scale());
SetVisible(root->Visible());
while (!to_process.empty()) {
SceneNode* to_copy = to_process.front();
to_process.pop_front();
SceneNode* node_copy = nullptr;
switch (to_copy->NodeType()) {
case SceneNodeType::kGroupNode:
{
GroupNode* child = scene->MakeGroup(this, Scene::kAutoName);
GroupNode* group_to_copy =
dynamic_cast<GroupNode*>(to_copy);
child->CopyAsChildren(scene, group_to_copy);
node_copy = child;
}
break;
case SceneNodeType::kCameraNode:
{
CameraNode* child = scene->MakeCamera(this, Scene::kAutoName);
const CameraNode* camera_to_copy =
dynamic_cast<const CameraNode*>(to_copy);
child->CopyFrom(*camera_to_copy);
node_copy = child;
}
break;
case SceneNodeType::kLightNode:
{
LightNode* child = scene->MakeLight(this, Scene::kAutoName);
const LightNode* light_to_copy =
dynamic_cast<const LightNode*>(to_copy);
// *child = *light_to_copy;
(void)light_to_copy;
node_copy = child;
}
break;
case SceneNodeType::kDrawNode:
{
DrawNode* node_to_copy =
dynamic_cast<DrawNode*>(to_copy);
DrawNode* child = scene->MakeDrawNode(this, Scene::kAutoName);
for (const Drawable::Ptr& item : node_to_copy->Drawables()) {
child->Add(item);
}
node_copy = child;
}
break;
}
node_copy->SetTranslation(to_copy->Translation());
node_copy->SetRotation(to_copy->Rotation());
node_copy->SetScale(to_copy->Scale());
node_copy->SetVisible(to_copy->Visible());
}
}
