feat(editor): track editor driven by what the cursor is over: the outline and a label show what a click or a drag does, snapping to free ends on the screen, handles and ends dragged directly, no rotation gizmo; laying from a free end the same in every mode, straight with Shift, the curve of a switch going on past its diverging end; height 0 where there's no terrain; placed switch leaves the switch mode, double slips listed apart, a drive of the switch placed with it by the //$e switch description of its template; compound curves of any number of radii; dragged end of a straight fits the curve beside it; name of a path, followed by the memory cells and the includes taking it; turntable placed from a template described as one, tracks led out of it and the tracks around fitted to it, its positions written to the include; infrastructure bound to the path whose events read its memory cell; terrain made where the route has none and shaped to the formation under the ballast; models along the track over the selected path and on along the joined ones while dragged, rarely used settings folded; vehicles and trainsets placed on any path, switches included, facing the way the arrow shows; joined paths spread into the selection; New scenery in the File menu starts the editor again with the wizard; ortho zoom towards the cursor; scripted self tests; Polish translation

application/editoruilayer.cpp

@@ -109,6 +109,10 @@ void editor_ui::render_menu_contents()
 {
 	if (ImGui::BeginMenu(STR_C("File")))
 	{
+		if (ImGui::MenuItem(STR_C("New scenery...")) && m_newscenery)
+			m_newscenery();
+		if (ImGui::IsItemHovered())
+			ImGui::SetTooltip("%s", STR_C("The editor starts again with the wizard of a new scenery: its name and its centre on the map"));
 		// changes go to the scenery files only if the scenery was loaded with its sources tracked
 		auto const editsession{false == scene::Layers.empty()};
 		if (ImGui::MenuItem(STR_C("Save"), "Ctrl+S", false, editsession) && m_save)