Function revertGroupToWorldSpawn

radiantcore/selection/algorithm/Group.cpp:38–79

}

void revertGroupToWorldSpawn(const cmd::ArgumentList& args)
{
	UndoableCommand cmd("revertToWorldspawn");

	GroupNodeCollector walker;
	GlobalSelectionSystem().foreachSelected(walker);

	if (walker.getList().empty())
    {
		return; // nothing to do!
	}

	// Deselect all, the children get selected after reparenting
	GlobalSelectionSystem().setSelectedAll(false);

	// Get the worldspawn node
	scene::INodePtr worldspawnNode = GlobalMapModule().findOrInsertWorldspawn();

	Entity* worldspawn = Node_getEntity(worldspawnNode);

	if (!worldspawn)
    {
		return; // worldspawn not an entity?
	}

	for (const scene::INodePtr& groupNode : walker.getList())
	{
		Entity* parent = Node_getEntity(groupNode);

		if (!parent) continue; // not an entity

		ParentPrimitivesToEntityWalker reparentor(worldspawnNode);
		groupNode->traverseChildren(reparentor);

		// Perform the reparenting, this also checks for empty parent nodes
		// being left behind after this operation
		reparentor.reparent();

		// Select the reparented primitives after moving them to worldspawn
		reparentor.selectReparentedPrimitives();
	}
}

void ParentPrimitivesToEntityWalker::reparent()
{