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OpenTS Manual

MovementRestrictedTo

Confines a vehicle to cells of one land type, which is how rolling stock is held to the rails.

Specification
Applies to
UnitType
File
rules.ini
Section
[<ObjectType ID>]
Value
landtype
When omitted
none

Naming a land type refuses the vehicle every cell of any other land type. This test comes first when the vehicle checks whether it may enter a cell, ahead of terrain cost, occupancy, walls and gates, so none of those can make an exception to it.

rules.ini
[MYRAILCAR] ; a UnitType registered in [VehicleTypes]
MovementRestrictedTo=Railroad
IsTrain=yes

Two kinds of cell are exceptions:

  • A Tunnel cell passes the land type test whatever is named. On a tunnel mouth five or four cells wide and three deep, only subtile 2 is accepted. On one three cells wide and four or five deep, only subtile 6 is. The rest of those mouths is refused, so a train enters through the portal and not through the hillside. A Tunnel cell on a tile of any other size is accepted on every subtile.
  • A cell of the wrong land type is accepted when it has a rail bridge overlay and the vehicle is not at that cell’s ground height. A restricted vehicle may therefore cross a rail bridge over ground it could never drive on.

A value that names no land type sets no restriction. The vehicle then travels wherever its SpeedType allows.

See also — IsTrain, Passive, SpeedType