code/__DEFINES/vehicle.dm 
| VEHICLE_CLASS_WEAK | Vehicle Classes (for future) |
|---|---|
| VEHICLE_BYPASS_BLOCKERS | Vehicle can bypass vehicle blockers, typically going further into maps than intended |
| RIDER_NEEDS_ARMS | Does our vehicle require arms to operate? Also used for piggybacking on humans to reserve arms on the rider |
| RIDER_NEEDS_LEGS | Do we need legs to ride this (checks against TRAIT_FLOORED) |
| UNBUCKLE_DISABLED_RIDER | If the rider is disabled or loses their needed limbs, do they fall off? |
Define Details
RIDER_NEEDS_ARMS 
Does our vehicle require arms to operate? Also used for piggybacking on humans to reserve arms on the rider
RIDER_NEEDS_LEGS 
Do we need legs to ride this (checks against TRAIT_FLOORED)
UNBUCKLE_DISABLED_RIDER 
If the rider is disabled or loses their needed limbs, do they fall off?
VEHICLE_BYPASS_BLOCKERS 
Vehicle can bypass vehicle blockers, typically going further into maps than intended
VEHICLE_CLASS_WEAK 
Vehicle Classes (for future)