IS LAP

From LFS Manual
Revision as of 10:56, 14 February 2026 by Flame CZE (talk | contribs)
(diff) ←Older revision | Current revision (diff) | Newer revision→ (diff)
Jump to navigationJump to search
IS_LAP
Lap completed
Overview
Size 20
Type ISP_LAP (24)
Usage info
Previous packet
IS_PLL
Next packet
IS_SPX

The LAP time packet is sent by LFS when a player completes a lap.

IS_LAP packet properties
Type Name Description
byte Size 20
byte Type ISP_LAP
byte ReqI 0
byte PLID player's unique id
unsigned LTime lap time (ms)
unsigned ETime total time (ms)
word LapsDone laps completed
word Flags player flags
byte Sp0
byte Penalty current penalty value (PENALTY_x)
byte NumStops number of pit stops
byte Fuel200 /showfuel yes: double fuel percent / no: 255

Packet Details

Size

The size of the packet is always 20 bytes.

Type

The packet type from the ISP_ enumeration, always ISP_LAP.

ReqI

ReqI is always equal to zero.

PLID

The player's unique ID.

LTime

The lap time, in ms.

ETime

The total time elapsed since race start, in ms. Note that this is different from the session timestamp, and only counts from the LFS green lights.

LapsDone

The number of completed laps.

Flags

Player flags (see IS_NPL#Flags).

Penalty

The current penalty value, from the PENALTY_ enumeration.

NumStops

The number of pit stops done.

Fuel200

If /showfuel yes, shows the current fuel left as double of the actual value (Fuel200 = 45 means there is 22.5% left). Otherwise, Fuel200 is 255.


Initialisation IS_ISI
Version Information IS_VER
General Purpose IS_TINY · IS_SMALL · IS_TTC
State Reporting and Requests IS_STA · IS_SFP · IS_ISM
Text Messages and Key Presses IS_SCH · IS_MSO · IS_III · IS_MST · IS_MTC · IS_MSX · IS_MSL
Voting IS_VTN
Race Tracking IS_RST · IS_REO
Autocross IS_AXI · IS_AXO · IS_UCO · IS_OCO · IS_AXM
Connection Tracking IS_NCN · IS_CNL · IS_CPR · IS_ACR · IS_NCI · IS_SLC · IS_CIM
Car Tracking IS_NPL · IS_PLP · IS_PLL · IS_LAP · IS_SPX · IS_PIT · IS_PSF · IS_PLA · IS_PEN · IS_TOC · IS_FLG · IS_PFL · IS_FIN · IS_RES · IS_NLP · IS_MCI · IS_CRS · IS_CON · IS_OBH · IS_HLV · IS_CSC
Camera Control IS_SCC · IS_CPP
Replay Control IS_RIP
Screenshots IS_SSH
InSim Buttons IS_BFN · IS_BTN · IS_BTC · IS_BTT
AI Control IS_AIC · IS_AII
Other packets IS_MOD · IS_CCH · IS_PLC · IS_HCP · IS_JRR · IS_MAL · IS_PLH · IS_IPB