IS NPL
Introduction
The New PLayer packet is sent by LFS when a player joins the race (joins the grid or leaves the pits). It can also be sent as a reply to a TINY_NPL packet.
| Type | Name | Description |
|---|---|---|
| byte | Size | 76 |
| byte | Type | ISP_NPL |
| byte | ReqI | 0 unless this is a reply to an TINY_NPL request |
| byte | PLID | player's newly assigned unique id |
| byte | UCID | connection's unique id |
| byte | PType | bit 0: female / bit 1: AI / bit 2: remote |
| word | Flags | player flags |
| char | PName[24] | nickname |
| char | Plate[8] | number plate - NO ZERO AT END! |
| char | CName[4] | car name |
| char | SName[16] | skin name - MAX_CAR_TEX_NAME |
| byte | Tyres[4] | compounds |
| byte | H_Mass | added mass (kg) |
| byte | H_TRes | intake restriction |
| byte | Model | driver model |
| byte | Pass | passengers byte |
| byte | RWAdj | low 4 bits: tyre width reduction (rear) |
| byte | FWAdj | low 4 bits: tyre width reduction (front) |
| byte | Sp2 | |
| byte | Sp3 | |
| byte | SetF | setup flags (see below) |
| byte | NumP | number in race - ZERO if this is a join request |
| byte | Config | configuration (see below) |
| byte | Fuel | /showfuel yes: fuel percent / no: 255 |
Packet Details
Size
The size of the packet is always 70 bytes.
Type
The packet type from the ISP_ enumeration, always ISP_NPL.
ReqI
ReqI is equal to zero, unless the packet is a reply to a TINY_NPL request.
UCID
The connection's unique ID.
PType
Flags for the player:
- bit 0: female
- bit 1: AI
- bit 2: remote
Flags
Player settings and help flags:
#define PIF_LEFTSIDE 1 #define PIF_RESERVED_2 2 #define PIF_RESERVED_4 4 #define PIF_AUTOGEARS 8 #define PIF_SHIFTER 0x10 #define PIF_FLEXIBLE_STEER 0x20 #define PIF_HELP_B 0x40 #define PIF_AXIS_CLUTCH 0x80 #define PIF_INPITS 0x0100 #define PIF_AUTOCLUTCH 0x0200 #define PIF_MOUSE 0x0400 #define PIF_KB_NO_HELP 0x0800 #define PIF_KB_STABILISED 0x1000 #define PIF_CUSTOM_VIEW 0x2000
PName
The player's in-game name.
Plate
The player's number plate (all 8 bytes are used, the last byte is not zero).
CName
The car's name in compressed format.
SName
The player's skin name.
Tyres
The tyre compounds for each wheel (rear left, rear right, front left, front right), from the TYRE_ enumeration.
H_Mass
The added mass in kg.
H_TRes
The intake restriction in percent.
Model
The driver model, which can be changed in the Options > Driver menu. You can use this to enforce the use of helmets, as some models do not wear one.
Pass
The passengers in the car, 2 bits are used for each passenger:
- Bit 0: front male
- Bit 1: front female
- Bit 2: rear left male
- Bit 3: rear left female
- Bit 4: rear middle male
- Bit 5: rear middle female
- Bit 6: rear right male
- Bit 7: rear right female
RWAdj
Tyre width reduction (rear tyres). This is only available on some official cars, and works similarly to Config.
FWAdj
Tyre width reduction (front tyres). This is only available on some official cars, and works similarly to Config.
SetF
Setup flags:
- SETF_SYMM_WHEELS (1): symmetric wheels
- SETF_TC_ENABLE (2): Traction Control enabled
- SETF_ABS_ENABLE (4): ABS enabled
NumP
Number of players in race. If the packet is a join request (see IS_ISI#Flags for handling join requests), NumP is zero.
Config
The vehicle's configuration. Each vehicle can allow multiple configurations, and some of them (for official cars) allow changing RWAdj and FWAdj.
Fuel
Shows the fuel the player joined with, if using /showfuel yes, otherwise Fuel is 255.
