[DOC] Shared Memory Reference

[assettocorsamods]

This follows official communication, shared memory reference, useful when planning to develop new AC apps.

Fields in BLUE - represent the updated structure, according to latest evolutions.
***Last update on 25/04/2016***​

SHARED MEMORY STRUCTS

#pragma once

typedef int AC_STATUS;

#define AC_OFF 0
#define AC_REPLAY 1
#define AC_LIVE 2
#define AC_PAUSE 3

typedef int AC_SESSION_TYPE;

#define AC_UNKNOWN -1
#define AC_PRACTICE 0
#define AC_QUALIFY 1
#define AC_RACE 2
#define AC_HOTLAP 3
#define AC_TIME_ATTACK 4
#define AC_DRIFT 5
#define AC_DRAG 6

typedef int AC_FLAG_TYPE;

#define AC_NO_FLAG 0
#define AC_BLUE_FLAG 1
#define AC_YELLOW_FLAG 2
#define AC_BLACK_FLAG 3
#define AC_WHITE_FLAG 4
#define AC_CHECKERED_FLAG 5
#define AC_PENALTY_FLAG 6

#pragma pack(push)
#pragma pack(4)

struct SPageFilePhysics
{
int packetId = 0;
float gas = 0;
float brake = 0;
float fuel = 0;
int gear = 0;
int rpms = 0;
float steerAngle = 0;
float speedKmh = 0;
float velocity[3];
float accG[3];
float wheelSlip[4];
float wheelLoad[4];
float wheelsPressure[4];
float wheelAngularSpeed[4];
float tyreWear[4];
float tyreDirtyLevel[4];
float tyreCoreTemperature[4];
float camberRAD[4];
float suspensionTravel[4];
float drs = 0;
float tc = 0;
float heading = 0;
float pitch = 0;
float roll = 0;
float cgHeight;
float carDamage[5];
int numberOfTyresOut = 0;
int pitLimiterOn = 0;
float abs = 0;
float kersCharge = 0;
float kersInput = 0;
int autoShifterOn = 0;
float rideHeight[2];
float turboBoost = 0;
float ballast = 0;
float airDensity = 0;
};


struct SPageFileGraphic
{
int packetId = 0;
AC_STATUS status = AC_OFF;
AC_SESSION_TYPE session = AC_PRACTICE;
wchar_t currentTime[15];
wchar_t lastTime[15];
wchar_t bestTime[15];
wchar_t split[15];
int completedLaps = 0;
int position = 0;
int iCurrentTime = 0;
int iLastTime = 0;
int iBestTime = 0;
float sessionTimeLeft = 0;
float distanceTraveled = 0;
int isInPit = 0;
int currentSectorIndex = 0;
int lastSectorTime = 0;
int numberOfLaps = 0;
wchar_t tyreCompound[33];

float replayTimeMultiplier = 0;
float normalizedCarPosition = 0;
float carCoordinates[3];
float penaltyTime = 0;
AC_FLAG_TYPE flag = AC_NO_FLAG;
int idealLineOn = 0;
int isInPitLane = 0;

float surfaceGrip = 0;
};


struct SPageFileStatic
{
wchar_t smVersion[15];
wchar_t acVersion[15];
// session static info
int numberOfSessions = 0;
int numCars = 0;
wchar_t carModel[33];
wchar_t track[33];
wchar_t playerName[33];
wchar_t playerSurname[33];
wchar_t playerNick[33];
int sectorCount = 0;

// car static info
float maxTorque = 0;
float maxPower = 0;
int maxRpm = 0;
float maxFuel = 0;
float suspensionMaxTravel[4];
float tyreRadius[4];
float maxTurboBoost = 0;

float airTemp = 0;
float roadTemp = 0;
bool penaltiesEnabled = false;

float aidFuelRate = 0;
float aidTireRate = 0;
float aidMechanicalDamage = 0;
bool aidAllowTyreBlankets = false;
float aidStability = 0;
bool aidAutoClutch = false;
bool aidAutoBlip = false;
};

#pragma pack(pop)


SHARED MEMORY NAMES

physics : acpmf_physics
graphics : acpmf_graphics
static : acpmf_static

***
SHARED MEMORY EXAMPLE in attachment

 

[assettocorsamods]

Updated Shared Memory Reference and attached example to reflect changes since initial post.

 

[luchian]

Updated Shared Memory Reference and attached example, to reflect changes in AC 1.5+.