gt_packet_definition.py

from struct import unpack

class GTDataPacket:
    def __init__(self, data):
        ## Format string that allows unpack to process the data bytestream:
        gt_format = '<ifffffffffffffffccccccccffffffffffiiiiihhhhhhbbbbffffffffffffffffbbbbbbbbfffbbbbbbbbbbbbbbbbi'

        (self.magic,              #int32
         self.position_x,         #single
         self.position_y,         #single
         self.position_z,         #single
         self.velocity_x,         #single
         self.velocity_y,         #single
         self.velocity_z,         #single
         self.pitch,              #single
         self.yaw,                #single
         self.roll,               #single
         self.relative_orientation_north,       #single
         self.acceleration_x,     #single
         self.acceleration_y,     #single
         self.acceleration_z,     #single
         self.body_height,        #single
         self.rpm,                #single
         self.iv1,                #char
         self.iv2,                #char
         self.iv3,                #char
         self.iv4,                #char
         self.iv5,                #char
         self.iv6,                #char
         self.iv7,                #char
         self.iv8,                #char
         self.unknown_0x48,       #single
         self.speed,              #single
         self.turbo_boost,        #single
         self.oil_pressure_bar,   #single
         self.water_temperature,  #single
         self.oil_temperature,    #single
         self.tire_surface_temperature_FL, #single
         self.tire_surface_temperature_FR, #single
         self.tire_surface_temperature_RL, #single
         self.tire_surface_temperature_RR, #single
         self.total_time_ticks, #int32
         self.current_lap,  #int32
         self.best_lap_time,  #int32
         self.last_lap_time,  #int32
         self.day_progression_ms,  #int32
         self.pre_race_start_position,  #int16
         self.num_cars_pre_race,  #int16
         self.min_alert_rpm,  #int16
         self.max_alert_rpm,  #int16
         self.calculated_max_speed,  #int16
         self.flags, #int16
         self.bits, #byte
         self.throttle,  #byte
         self.brake,  #byte
         self.unknown_byte9,  #byte
         self.tire_FL_unknown0x94_1, #single
         self.tire_FR_unknown0x94_2, #single
         self.tire_RL_unknown0x94_3, #single
         self.tire_RR_unknown0x94_4, #single
         self.tire_FL_accel,  #single
         self.tire_FR_accel,  #single
         self.tire_RL_accel,  #single
         self.tire_RR_accel,  #single
         self.tire_FL_tire_radius,  #single
         self.tire_FR_tire_radius,  #single
         self.tire_RL_tire_radius,  #single
         self.tire_RR_tire_radius,  #single
         self.tire_FL_unknown0xC4_1,  #single
         self.tire_FR_unknown0xC4_2,  #single
         self.tire_RL_unknown0xC4_3,  #single
         self.tire_RR_unknown0xC4_4,  #single
         self.unknown_byte9, #byte
         self.unknown_byte10, #byte
         self.unknown_byte11, #byte
         self.unknown_byte12, #byte
         self.unknown_byte13, #byte
         self.unknown_byte14, #byte
         self.unknown_byte15, #byte
         self.unknown_byte16, #byte
         self.clutch_pedal, #single
         self.clutch_engagement, #single
         self.rpm_clutch_gearbox,  #single
         self.unknown_byte17, #byte
         self.unknown_byte18, #byte
         self.unknown_byte19, #byte
         self.unknown_byte20, #byte
         self.unknown_byte21, #byte
         self.unknown_byte22, #byte
         self.unknown_byte23, #byte
         self.unknown_byte24, #byte
         self.unknown_byte25, #byte
         self.unknown_byte26, #byte
         self.unknown_byte27, #byte
         self.unknown_byte28, #byte
         self.unknown_byte29, #byte
         self.unknown_byte30, #byte
         self.unknown_byte31, #byte
         self.unknown_byte32, #byte
         self.car_code, #int32
         ) = unpack(gt_format, data)