Function cloneSelected

radiantcore/selection/algorithm/Transformation.cpp:270–310

};

void cloneSelected(const cmd::ArgumentList& args)
{
	// Check for the correct editing mode (don't clone components)
	if (GlobalSelectionSystem().getSelectionMode() == SelectionMode::Component ||
        GlobalMapModule().getEditMode() != IMap::EditMode::Normal)
    {
		return;
	}

	// Get the namespace of the current map
	auto mapRoot = GlobalMapModule().getRoot();
	if (!mapRoot) return; // not map root (this can happen)

	UndoableCommand undo("cloneSelected");

	SelectionCloner cloner;
	GlobalSceneGraph().root()->traverse(cloner);

	// Create a new namespace and move all cloned nodes into it
	INamespacePtr clonedNamespace = GlobalNamespaceFactory().createNamespace();
	assert(clonedNamespace);

	// Move items into the temporary namespace, this will setup the links
	clonedNamespace->connect(cloner.getCloneRoot());

	// Adjust all new names to fit into the existing map namespace
	map::algorithm::prepareNamesForImport(mapRoot, cloner.getCloneRoot());

	// Unselect the current selection
	GlobalSelectionSystem().setSelectedAll(false);

	// Finally, move the cloned nodes to their destination and select them
	cloner.moveClonedNodes(true);

	if (registry::getValue<int>(RKEY_OFFSET_CLONED_OBJECTS) == 1)
	{
		// Move the current selection by one grid unit to the "right" and "downwards"
		nudgeSelected(eNudgeDown);
		nudgeSelected(eNudgeRight);
	}
}

struct AxisBase
{