Macros used in CryAction Vehicle.

#define CAST_VEHICLEOBJECT(type, objptr) \
    (objptr->GetId() == type::m_objectId) ? (type*)objptr : NULL

IVehicleSystem.h

#define DEFINE_VEHICLEOBJECT(obj) \
    TVehicleObjectId obj::m_objectId = InvalidVehicleObjectId;

IVehicleSystem.h

#define ENABLE_VEHICLE_DEBUG 1

IVehicleSystem.h

compile out debug draw code in release builds

#define IMPLEMENT_VEHICLEOBJECT \
    public: \
        static TVehicleObjectId m_objectId; \
        friend struct IVehicleSystem; \
        virtual TVehicleObjectId GetId() { return m_objectId; }

IVehicleSystem.h