More progress on the route editor, this is how scenery editing works now (no audio, video sped up by 30%):
https://www.youtube.com/watch?v=booAZfdtU6c
The main principle of the first version is to allow easy and fast creation of vast areas of scenery at the expense of details. More detailed control and features will be added in future updates.
The scenery features proved to be very hard to program correctly and there's still plenty of code to fix and old one to remove, but the first beta version should be ready for testing before the end of the year