Set playable area tool is accessible from the scenario editor toolbox.


Controls:

• Left mouse button: place control point
  
• CTRL+Z: undo
  
• ENTER: set playable area
  
• ESCAPE / right mouse button: exit the "set playable area" tool

You place playable area control points in the counter-clockwise direction.


When hovering over a hex, one of three icons is displayed:
* Invalid position (RED): can't place a control point here
* Valid position (BLUE): can place a control point here
* Closable position (GREEN): the playable area can be geometrically closed from this position



A position is closable when it can connect with the starting control point, as seen in the first image.

When you've finished drawing the playable area, and the last placed control point is closable, you can apply the area by pressing Enter.
Note that all entities in the scenario have to be encapsulated by the area.

Happy scenario making!