diff options
Diffstat (limited to 'src/order_type.h')
| -rw-r--r-- | src/order_type.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/order_type.h b/src/order_type.h index 55653b825..0a43dc8f7 100644 --- a/src/order_type.h +++ b/src/order_type.h @@ -12,10 +12,12 @@ typedef uint16 OrderID; typedef uint16 OrderListID; typedef uint16 DestinationID; -enum { - INVALID_VEH_ORDER_ID = 0xFF, -}; +/** Invalid vehicle order index (sentinel) */ +static const VehicleOrderID INVALID_VEH_ORDER_ID = 0xFF; +/** Last valid VehicleOrderID. */ +static const VehicleOrderID MAX_VEH_ORDER_ID = INVALID_VEH_ORDER_ID - 1; +/** Invalid order (sentinel) */ static const OrderID INVALID_ORDER = 0xFFFF; /* Order types */ |