racemain.cpp

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/***************************************************************************

    file        : racemain.cpp
    created     : Sat Nov 16 12:13:31 CET 2002
    copyright   : (C) 2002-2017 by Eric Espie, Bernhard Wymann                    
    email       : eric.espie@torcs.org   
    version     : $Id$                                  

 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <stdlib.h>
#include <stdio.h>
#include <tgfclient.h>
#include <raceman.h>
#include <robot.h>
#include <racescreens.h>
#include <exitmenu.h>
#include <musicplayer/musicplayer.h>
#include <portability.h>

#include "raceengine.h"
#include "raceinit.h"
#include "racegl.h"
#include "raceresults.h"
#include "racestate.h"
#include "racemanmenu.h"

#include "racemain.h"

/***************************************************************/
/* ABANDON RACE HOOK */

static void *AbandonRaceHookHandle = 0;

static void
AbandonRaceHookActivate(void * /* vforce */)
{
    // Shutdown current event.
    ReEventShutdown();

    /* Return to race menu */
    ReInfo->_reState = RE_STATE_CONFIG;

    GfuiScreenActivate(ReInfo->_reGameScreen);
}

static void *
AbandonRaceHookInit(void)
{
    if (AbandonRaceHookHandle) {
        return AbandonRaceHookHandle;
    }

    AbandonRaceHookHandle = GfuiHookCreate(0, AbandonRaceHookActivate);

    return AbandonRaceHookHandle;
}

static void *AbortRaceHookHandle = 0;

static void
AbortRaceHookActivate(void * /* dummy */)
{
    GfuiScreenActivate(ReInfo->_reGameScreen);

    ReInfo->_reSimItf.shutdown();
    if (ReInfo->_displayMode == RM_DISP_MODE_NORMAL) {
        ReInfo->_reGraphicItf.shutdowncars();
        startMenuMusic();
    }
    ReInfo->_reGraphicItf.shutdowntrack();
    ReRaceCleanDrivers();

    FREEZ(ReInfo->_reCarInfo);
    /* Return to race menu */
    ReInfo->_reState = RE_STATE_CONFIG;
}

static void *
AbortRaceHookInit(void)
{
    if (AbortRaceHookHandle) {
        return AbortRaceHookHandle;
    }

    AbortRaceHookHandle = GfuiHookCreate(0, AbortRaceHookActivate);

    return AbortRaceHookHandle;
}

int
ReRaceEventInit(void)
{
    void *params = ReInfo->params;

    RmLoadingScreenStart(ReInfo->_reName, "data/img/splash-qrloading.png");
    ReInitTrack();
    if (
        (ReInfo->_displayMode != RM_DISP_MODE_CONSOLE) &&
        (ReInfo->_reGraphicItf.inittrack != 0)
    ) {
        RmLoadingScreenSetText("Loading Track 3D Description...");
        ReInfo->_reGraphicItf.inittrack(ReInfo->track);
    };
    ReEventInitResults();

    if (
        (GfParmGetEltNb(params, RM_SECT_TRACKS) > 1) &&
        (ReInfo->_displayMode != RM_DISP_MODE_NONE) &&
        (ReInfo->_displayMode != RM_DISP_MODE_CONSOLE)
    ) {
        ReNewTrackMenu();
        return RM_ASYNC | RM_NEXT_STEP;
    }
    return RM_SYNC | RM_NEXT_STEP;
}


void ReInitRules(tRmInfo* ReInfo)
{
    // Invalidate best lap time when wall is hit?
    const char* value = GfParmGetStr(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_INVALIDATE_BEST_LAP_WALL_TOUCH, RM_VAL_YES);
    if (!strcmp(value, RM_VAL_YES)) {
        ReInfo->raceRules.enabled |= RmRaceRules::WALL_HIT_TIME_INVALIDATE;
    }

    // Invalidate best lap time when corner is cut?
    value = GfParmGetStr(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_INVALIDATE_BEST_LAP_CORNER_CUT, RM_VAL_YES);
    if (!strcmp(value, RM_VAL_YES)) {
        ReInfo->raceRules.enabled |= RmRaceRules::CORNER_CUTTING_TIME_INVALIDATE;
    }

    // Time penalty for corner cutting?
    value = GfParmGetStr(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_CORNER_CUT_TIME_PENALTY, RM_VAL_YES);
    if (!strcmp(value, RM_VAL_YES)) {
        ReInfo->raceRules.enabled |= RmRaceRules::CORNER_CUTTING_TIME_PENALTY;
    }

    // Fuel consumption factor
    tdble number = GfParmGetNum(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_FUEL_FACTOR, NULL, 1.0f);
    if (number < 0.0f) number = 0.0f;   // Avoid negative factor
    ReInfo->raceRules.fuelFactor = number;

    // Damage factor
    number = GfParmGetNum(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_DAMAGE_FACTOR, NULL, 1.0f);
    if (number < 0.0f) number = 0.0f;   // Avoid negative factor
    ReInfo->raceRules.damageFactor = number;

    // Tire model factor, for 0.0 the model is switched completely off
    number = GfParmGetNum(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_TIRE_FACTOR, NULL, 1.0f);
    if (number < 0.0f) number = 0.0f;   // Avoid negative factor
    ReInfo->raceRules.tireFactor = number;

    // Refuel fuel flow
    number = GfParmGetNum(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_REFUEL_FUEL_FLOW, NULL, 8.0f);
    if (number < 1.0f) number = 1.0f;   // Avoid division by zero or negative pit times
    ReInfo->raceRules.refuelFuelFlow = number;

    // Damage repair factor
    number = GfParmGetNum(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_DAMAGE_REPAIR_FACTOR, NULL, 0.007f);
    if (number < 0.0f) number = 0.0f;   // Avoid negative pit times
    ReInfo->raceRules.damageRepairFactor = number;

    // Pit stop base time (time for a stop even if nothing is done)
    number = GfParmGetNum(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_PITSTOP_BASE_TIME, NULL, 2.0f);
    if (number < 0.0f) number = 0.0f;   // Avoid negative pit times
    ReInfo->raceRules.pitstopBaseTime = number;

    // Tire change time for all 4 tires
    number = GfParmGetNum(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_ALL_TIRES_CHANGE_TIME, NULL, 16.0f);
    if (number < 0.0f) number = 0.0f;   // Avoid negative tire change times
    ReInfo->raceRules.allTiresChangeTime = number;

    // Race specific pit speed limit, if available
    number = ReInfo->track->pits.speedLimit;
    number = GfParmGetNum(ReInfo->params, ReInfo->_reRaceName, RM_ATTR_PIT_SPEED_LIMIT, NULL, number);
    ReInfo->track->pits.speedLimit = number;
}


int RePreRace(void)
{
    tdble dist;
    void *params = ReInfo->params;
    void *results = ReInfo->results;
    const int BUFSIZE = 1024;
    char path[BUFSIZE];

    const char* raceName = ReInfo->_reRaceName = ReGetCurrentRaceName();
    if (!raceName) {
        return RM_QUIT;
    }

    dist = GfParmGetNum(params, raceName, RM_ATTR_DISTANCE, NULL, 0);
    if (dist < 0.001) {
        ReInfo->s->_totLaps = (int)GfParmGetNum(params, raceName, RM_ATTR_LAPS, NULL, 30);
    } else {
        ReInfo->s->_totLaps = ((int)(dist / ReInfo->track->length)) + 1;
    }
    ReInfo->s->_maxDammage = (int)GfParmGetNum(params, raceName, RM_ATTR_MAX_DMG, NULL, 10000);

    const char* raceType = GfParmGetStr(params, raceName, RM_ATTR_TYPE, RM_VAL_RACE);
    if (!strcmp(raceType, RM_VAL_RACE)) {
        ReInfo->s->_raceType = RM_TYPE_RACE;
    } else if (!strcmp(raceType, RM_VAL_QUALIF)) {
        ReInfo->s->_raceType = RM_TYPE_QUALIF;
    } else if (!strcmp(raceType, RM_VAL_PRACTICE)) {
        ReInfo->s->_raceType = RM_TYPE_PRACTICE;
    }

    ReInfo->s->_raceState = 0;

    /* Cleanup results */
    snprintf(path, BUFSIZE, "%s/%s/%s", ReInfo->track->name, RE_SECT_RESULTS, raceName);
    GfParmListClean(results, path);

    ReInitRules(ReInfo);

    return RM_SYNC | RM_NEXT_STEP;
}


/* return state mode */
static int reRaceRealStart(void)
{
    int i, j;
    int sw, sh, vw, vh;
    tRobotItf *robot;
    tReCarInfo *carInfo;
    const int BUFSIZE = 1024;
    char buf[BUFSIZE];
    int foundHuman;
    void *params = ReInfo->params;
    void *results = ReInfo->results;
    tSituation *s = ReInfo->s;

    RmLoadingScreenSetText("Loading Simulation Engine...");
    const char* dllname = GfParmGetStr(ReInfo->_reParam, "Modules", "simu", "");
    snprintf(buf, BUFSIZE, "%smodules/simu/%s.%s", GetLibDir (), dllname, DLLEXT);
    if (GfModLoad(0, buf, &ReRaceModList)) return RM_QUIT;
    ReRaceModList->modInfo->fctInit(ReRaceModList->modInfo->index, &ReInfo->_reSimItf);

    if (ReInitCars()) {
        return RM_QUIT;
    }

    /* Blind mode or not */
    if (ReInfo->_displayMode != RM_DISP_MODE_CONSOLE) {
        ReInfo->_displayMode = RM_DISP_MODE_NORMAL;
        ReInfo->_reGameScreen = ReScreenInit();
        foundHuman = 0;
        for (i = 0; i < s->_ncars; i++) {
            if (s->cars[i]->_driverType == RM_DRV_HUMAN) {
                foundHuman = 1;
                break;
            }
        }
        if (!foundHuman) {
            if (!strcmp(GfParmGetStr(params, ReInfo->_reRaceName, RM_ATTR_DISPMODE, RM_VAL_VISIBLE), RM_VAL_INVISIBLE)) {
                ReInfo->_displayMode = RM_DISP_MODE_NONE;
                ReInfo->_reGameScreen = ReResScreenInit();
            }
        }
    }

    if (!(ReInfo->s->_raceType == RM_TYPE_QUALIF) ||
    ((int)GfParmGetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_DRIVER, NULL, 1) == 1))
    {
        RmLoadingScreenStart(ReInfo->_reName, "data/img/splash-qrloading.png");
    }

    for (i = 0; i < s->_ncars; i++) {
        snprintf(buf, BUFSIZE, "Initializing Driver %s...", s->cars[i]->_name);
        RmLoadingScreenSetText(buf);
        robot = s->cars[i]->robot;
        robot->rbNewRace(robot->index, s->cars[i], s);
    }
    carInfo = ReInfo->_reCarInfo;

    ReInfo->_reSimItf.update(s, RCM_MAX_DT_SIMU, -1);
    for (i = 0; i < s->_ncars; i++) {
        carInfo[i].prevTrkPos = s->cars[i]->_trkPos;
    }

    RmLoadingScreenSetText("Running Prestart...");
    for (i = 0; i < s->_ncars; i++) {
        memset(&(s->cars[i]->ctrl), 0, sizeof(tCarCtrl));
        s->cars[i]->ctrl.brakeCmd = 1.0;
    }
    for (j = 0; j < ((int)(1.0 / RCM_MAX_DT_SIMU)); j++) {
        ReInfo->_reSimItf.update(s, RCM_MAX_DT_SIMU, -1);
    }

    if (ReInfo->_displayMode == RM_DISP_MODE_NONE) {
        if (ReInfo->s->_raceType == RM_TYPE_QUALIF) {
            ReUpdateQualifCurRes(s->cars[0]);
        } else {
            snprintf(buf, BUFSIZE, "%s on %s", s->cars[0]->_name, ReInfo->track->name);
            ReResScreenSetTitle(buf);
        }
    }

    RmLoadingScreenSetText("Ready.");

    ReInfo->_reTimeMult = 1.0;
    ReInfo->_reLastTime = -1.0;
    ReInfo->s->currentTime = -2.0;
    ReInfo->s->deltaTime = RCM_MAX_DT_SIMU;

    ReInfo->s->_raceState = RM_RACE_STARTING;

    if ((ReInfo->_displayMode != RM_DISP_MODE_CONSOLE) &&  ReInfo->_reGraphicItf.initview != 0) {
        GfScrGetSize(&sw, &sh, &vw, &vh);
        ReInfo->_reGraphicItf.initview((sw-vw)/2, (sh-vh)/2, vw, vh, GR_VIEW_STD, ReInfo->_reGameScreen);

        if (ReInfo->_displayMode == RM_DISP_MODE_NORMAL) {
            /* RmLoadingScreenSetText("Loading Cars 3D Objects..."); */
            stopMenuMusic();
            ReInfo->_reGraphicItf.initcars(s);
        }

        GfuiScreenActivate(ReInfo->_reGameScreen);
    }

    return RM_SYNC | RM_NEXT_STEP;
}

/***************************************************************/
/* START RACE HOOK */

static void *StartRaceHookHandle = 0;


static void StartRaceHookActivate(void * /* dummy */)
{
    reRaceRealStart();
}


static void* StartRaceHookInit(void)
{
    if (StartRaceHookHandle) {
        return StartRaceHookHandle;
    }

    StartRaceHookHandle = GfuiHookCreate(0, StartRaceHookActivate);

    return StartRaceHookHandle;
}


/* return state mode */
int ReRaceStart(void)
{
    int i;
    int nCars;
    int maxCars;
    const char *raceName = ReInfo->_reRaceName;
    void *params = ReInfo->params;
    void *results = ReInfo->results;
    const int BUFSIZE = 1024;
    char path[BUFSIZE], path2[BUFSIZE];

    FREEZ(ReInfo->_reCarInfo);
    ReInfo->_reCarInfo = (tReCarInfo*)calloc(GfParmGetEltNb(params, RM_SECT_DRIVERS), sizeof(tReCarInfo));

    /* Drivers starting order */
    GfParmListClean(params, RM_SECT_DRIVERS_RACING);
    if (ReInfo->s->_raceType == RM_TYPE_QUALIF) {
        i = (int)GfParmGetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_DRIVER, NULL, 1);
        if (i == 1) {
            RmLoadingScreenStart(ReInfo->_reName, "data/img/splash-qrloading.png");
            RmLoadingScreenSetText("Preparing Starting Grid...");
        } else {
            RmShutdownLoadingScreen();
        }

        snprintf(path, BUFSIZE, "%s/%d", RM_SECT_DRIVERS, i);
        snprintf(path2, BUFSIZE, "%s/%d", RM_SECT_DRIVERS_RACING, 1);
        GfParmSetStr(params, path2, RM_ATTR_MODULE, GfParmGetStr(params, path, RM_ATTR_MODULE, ""));
        GfParmSetNum(params, path2, RM_ATTR_IDX, NULL, GfParmGetNum(params, path, RM_ATTR_IDX, NULL, tModInfo::INVALID_INDEX));
        GfParmSetStr(params, path2, RM_ATTR_DRVNAME, GfParmGetStr(params, path, RM_ATTR_DRVNAME, ""));
    } else {
        RmLoadingScreenStart(ReInfo->_reName, "data/img/splash-qrloading.png");
        RmLoadingScreenSetText("Preparing Starting Grid...");

        const char* gridType = GfParmGetStr(params, raceName, RM_ATTR_START_ORDER, RM_VAL_DRV_LIST_ORDER);
        if (!strcmp(gridType, RM_VAL_LAST_RACE_ORDER)) {
            /* Starting grid in the arrival of the previous race */
            nCars = GfParmGetEltNb(params, RM_SECT_DRIVERS);
            maxCars = (int)GfParmGetNum(params, raceName, RM_ATTR_MAX_DRV, NULL, 100);
            nCars = MIN(nCars, maxCars);
            const char* prevRaceName = ReGetPrevRaceName();
            if (!prevRaceName) {
                return RM_QUIT;
            }
            for (i = 1; i < nCars + 1; i++) {
                snprintf(path, BUFSIZE, "%s/%s/%s/%s/%d", ReInfo->track->name, RE_SECT_RESULTS, prevRaceName, RE_SECT_RANK, i);
                snprintf(path2, BUFSIZE, "%s/%d", RM_SECT_DRIVERS_RACING, i);
                GfParmSetStr(params, path2, RM_ATTR_MODULE, GfParmGetStr(results, path, RE_ATTR_MODULE, ""));
                GfParmSetNum(params, path2, RM_ATTR_IDX, NULL, GfParmGetNum(results, path, RE_ATTR_IDX, NULL, tModInfo::INVALID_INDEX));
                GfParmSetStr(params, path2, RM_ATTR_DRVNAME, GfParmGetStr(params, path, RM_ATTR_DRVNAME, ""));
            }
        } else if (!strcmp(gridType, RM_VAL_LAST_RACE_RORDER)) {
            /* Starting grid in the reversed arrival order of the previous race */
            nCars = GfParmGetEltNb(params, RM_SECT_DRIVERS);
            maxCars = (int)GfParmGetNum(params, raceName, RM_ATTR_MAX_DRV, NULL, 100);
            nCars = MIN(nCars, maxCars);
            const char* prevRaceName = ReGetPrevRaceName();
            if (!prevRaceName) {
                return RM_QUIT;
            }
            for (i = 1; i < nCars + 1; i++) {
                snprintf(path, BUFSIZE, "%s/%s/%s/%s/%d", ReInfo->track->name, RE_SECT_RESULTS, prevRaceName, RE_SECT_RANK, nCars - i + 1);
                snprintf(path2, BUFSIZE, "%s/%d", RM_SECT_DRIVERS_RACING, i);
                GfParmSetStr(params, path2, RM_ATTR_MODULE, GfParmGetStr(results, path, RE_ATTR_MODULE, ""));
                GfParmSetNum(params, path2, RM_ATTR_IDX, NULL, GfParmGetNum(results, path, RE_ATTR_IDX, NULL, tModInfo::INVALID_INDEX));
                GfParmSetStr(params, path2, RM_ATTR_DRVNAME, GfParmGetStr(params, path, RM_ATTR_DRVNAME, ""));
            }
        } else {
            /* Starting grid in the drivers list order */
            nCars = GfParmGetEltNb(params, RM_SECT_DRIVERS);
            maxCars = (int)GfParmGetNum(params, raceName, RM_ATTR_MAX_DRV, NULL, 100);
            nCars = MIN(nCars, maxCars);
            for (i = 1; i < nCars + 1; i++) {
                snprintf(path, BUFSIZE, "%s/%d", RM_SECT_DRIVERS, i);
                snprintf(path2, BUFSIZE, "%s/%d", RM_SECT_DRIVERS_RACING, i);
                GfParmSetStr(params, path2, RM_ATTR_MODULE, GfParmGetStr(params, path, RM_ATTR_MODULE, ""));
                GfParmSetNum(params, path2, RM_ATTR_IDX, NULL, GfParmGetNum(params, path, RM_ATTR_IDX, NULL, tModInfo::INVALID_INDEX));
                GfParmSetStr(params, path2, RM_ATTR_DRVNAME, GfParmGetStr(params, path, RM_ATTR_DRVNAME, ""));
            }
        }
    }

    if (ReInfo->_displayMode != RM_DISP_MODE_CONSOLE) {
        if (!strcmp(GfParmGetStr(params, ReInfo->_reRaceName, RM_ATTR_SPLASH_MENU, RM_VAL_NO), RM_VAL_YES)) {
            RmShutdownLoadingScreen();
            RmDisplayStartRace(ReInfo, StartRaceHookInit(), AbandonRaceHookInit());
            return RM_ASYNC | RM_NEXT_STEP;
        }
    }

    return reRaceRealStart();
}

/***************************************************************/
/* BACK TO RACE HOOK */

static void *BackToRaceHookHandle = 0;

static void BackToRaceHookActivate(void * /* dummy */)
{
    ReInfo->_reState = RE_STATE_RACE;
    GfuiScreenActivate(ReInfo->_reGameScreen);
}


static void* BackToRaceHookInit(void)
{
    if (BackToRaceHookHandle) {
        return BackToRaceHookHandle;
    }

    BackToRaceHookHandle = GfuiHookCreate(0, BackToRaceHookActivate);

    return BackToRaceHookHandle;
}

/***************************************************************/
/* RESTART RACE HOOK */

static void *RestartRaceHookHandle = 0;

static void RestartRaceHookActivate(void * /* dummy */)
{
    ReRaceCleanup();
    ReInfo->_reState = RE_STATE_PRE_RACE;
    GfuiScreenActivate(ReInfo->_reGameScreen);
}

static void* RestartRaceHookInit(void)
{
    if (RestartRaceHookHandle) {
        return RestartRaceHookHandle;
    }

    RestartRaceHookHandle = GfuiHookCreate(0, RestartRaceHookActivate);

    return RestartRaceHookHandle;
}

/***************************************************************/
/* QUIT HOOK */

static void *QuitHookHandle = 0;
static void *StopScrHandle = 0;

static void QuitHookActivate(void * /* dummy */)
{
    if (StopScrHandle) {
        GfuiScreenActivate(TorcsExitMenuInit(StopScrHandle));
    }
}


static void* QuitHookInit(void)
{
    if (QuitHookHandle) {
        return QuitHookHandle;
    }

    QuitHookHandle = GfuiHookCreate(0, QuitHookActivate);

    return QuitHookHandle;
}


int ReRaceStop(void)
{
    void    *params = ReInfo->params;
    ReInfo->_reGraphicItf.muteformenu();

    if (!strcmp(GfParmGetStr(params, ReInfo->_reRaceName, RM_ATTR_ALLOW_RESTART, RM_VAL_NO), RM_VAL_NO)) {
        StopScrHandle = RmTriStateScreen("Race Stopped",
                    "Abandon Race", "Abort current race", AbortRaceHookInit(),
                    "Resume Race", "Return to Race", BackToRaceHookInit(),
                    "Quit Game", "Quit the game", QuitHookInit());
    } else {
        if (
            (ReInfo->s->raceInfo.type == RM_TYPE_PRACTICE || ReInfo->s->raceInfo.type == RM_TYPE_QUALIF) &&
            (ReInfo->s->raceInfo.ncars == 1) &&
            (ReInfo->carList[0].info.driverType == RM_DRV_HUMAN)
        ) {
            tCarElt* carElt = &ReInfo->carList[0];
            static const char* label[5] = { "Restart Race",  "Setup Car, Restart", "Abandon Race", "Resume Race", "Quit Game" };
            static const char* tip[5] = { "Restart the current race",  "Setup car and restart the current race", "Abort the current race", "Return to the race", "Quit TORCS" };
            void* screen[5];

            screen[0] = RestartRaceHookInit();
            screen[1] = RmCarSetupScreenInit(RestartRaceHookInit(), carElt, ReInfo);
            screen[2] = AbortRaceHookInit();
            screen[3] = BackToRaceHookInit();
            screen[4] = QuitHookInit();

            StopScrHandle = RmNStateScreen("Race Stopped", label, tip, screen, 5);
        } else {
            StopScrHandle = RmFourStateScreen("Race Stopped",
                        "Restart Race", "Restart the current race", RestartRaceHookInit(),
                        "Abandon Race", "Abort current race", AbortRaceHookInit(),
                        "Resume Race", "Return to Race", BackToRaceHookInit(),
                        "Quit Game", "Quit the game", QuitHookInit());
            }
    }
    return RM_ASYNC | RM_NEXT_STEP;
}


int ReRaceEnd(void)
{
    int curDrvIdx;
    void *params = ReInfo->params;
    void *results = ReInfo->results;

    ReRaceCleanup();

    if (ReInfo->s->_raceType == RM_TYPE_QUALIF) {
        curDrvIdx = (int)GfParmGetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_DRIVER, NULL, 1);
        curDrvIdx++;
        if (curDrvIdx > GfParmGetEltNb(params, RM_SECT_DRIVERS)) {
            GfParmSetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_DRIVER, NULL, 1);
            return ReDisplayResults();
        }
        GfParmSetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_DRIVER, NULL, curDrvIdx);
        return RM_SYNC | RM_NEXT_RACE;
    }

    return ReDisplayResults();
}


int RePostRace(void)
{
    int curRaceIdx;
    void *results = ReInfo->results;
    void *params = ReInfo->params;

    curRaceIdx = (int)GfParmGetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_RACE, NULL, 1);
    if (curRaceIdx < GfParmGetEltNb(params, RM_SECT_RACES)) {
        curRaceIdx++;
        GfOut("Race Nb %d\n", curRaceIdx);
        GfParmSetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_RACE, NULL, curRaceIdx);
        ReUpdateStandings();
        return RM_SYNC | RM_NEXT_RACE;
    }

    ReUpdateStandings();
    GfParmSetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_RACE, NULL, 1);
    return RM_SYNC | RM_NEXT_STEP;
}


int ReEventShutdown(void)
{
    int curTrkIdx;
    void *params = ReInfo->params;
    int nbTrk = GfParmGetEltNb(params, RM_SECT_TRACKS);
    int ret = 0;
    void *results = ReInfo->results;

    if (
        (ReInfo->_displayMode != RM_DISP_MODE_CONSOLE) &&
        (ReInfo->_reGraphicItf.shutdowntrack != 0)
    ) {
        ReInfo->_reGraphicItf.shutdowntrack();
    }

    int curRaceIdx = (int)GfParmGetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_RACE, NULL, 1);
    curTrkIdx = (int)GfParmGetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_TRACK, NULL, 1);

    if (curRaceIdx == 1) {
        if (curTrkIdx < nbTrk) {
            // Next track.
            curTrkIdx++;
        } else if (curTrkIdx >= nbTrk) {
            // Back to the beginning.
            curTrkIdx = 1;
        }
    }

    GfParmSetNum(results, RE_SECT_CURRENT, RE_ATTR_CUR_TRACK, NULL, curTrkIdx);

    if (curTrkIdx != 1) {
        ret =  RM_NEXT_RACE;
    } else {
        ret =  RM_NEXT_STEP;
    }

    if ((nbTrk != 1) && (ReInfo->_displayMode != RM_DISP_MODE_CONSOLE)) {
        ReDisplayStandings();
        FREEZ(ReInfo->_reCarInfo);
        return RM_ASYNC | ret;
    }
    FREEZ(ReInfo->_reCarInfo);

    return RM_SYNC | ret;
}