void
SimTransmissionUpdate(tCar *car)
{
tTransmission *trans = &(car->transmission);
tClutch *clutch = &(trans->clutch);
tDifferential *differential, *differential0, *differential1;
tdble transfer = MIN(clutch->transferValue * 3.0, 1.0);
switch(trans->type) {
case TRANS_RWD:
differential = &(trans->differential[TRANS_REAR_DIFF]);
differential->in.Tq = car->engine.Tq * trans->curOverallRatio * transfer;
SimDifferentialUpdate(car, differential, 1);
SimUpdateFreeWheels(car, 0);
break;
case TRANS_FWD:
differential = &(trans->differential[TRANS_FRONT_DIFF]);
differential->in.Tq = car->engine.Tq * trans->curOverallRatio * transfer;
SimDifferentialUpdate(car, differential, 1);
SimUpdateFreeWheels(car, 1);
break;
case TRANS_4WD:
differential = &(trans->differential[TRANS_CENTRAL_DIFF]);
differential0 = &(trans->differential[TRANS_FRONT_DIFF]);
differential1 = &(trans->differential[TRANS_REAR_DIFF]);
differential->in.Tq = car->engine.Tq * trans->curOverallRatio * transfer;
differential->inAxis[0]->spinVel = (differential0->inAxis[0]->spinVel + differential0->inAxis[1]->spinVel) / 2.0;
differential->inAxis[1]->spinVel = (differential1->inAxis[0]->spinVel + differential1->inAxis[1]->spinVel) / 2.0;
differential->inAxis[0]->Tq = (differential0->inAxis[0]->Tq + differential0->inAxis[1]->Tq) / differential->ratio;
differential->inAxis[1]->Tq = (differential1->inAxis[0]->Tq + differential1->inAxis[1]->Tq) / differential->ratio;
differential->inAxis[0]->brkTq = (differential0->inAxis[0]->brkTq + differential0->inAxis[1]->brkTq) / differential->ratio;
differential->inAxis[1]->brkTq = (differential1->inAxis[0]->brkTq + differential1->inAxis[1]->brkTq) / differential->ratio;
SimDifferentialUpdate(car, differential, 1);
differential = differential0;
SimDifferentialUpdate(car, differential, 0);
differential = differential1;
SimDifferentialUpdate(car, differential, 0);
break;
}
}
void
SimTransmissionUpdate(tCar *car)
{
tTransmission *trans = &(car->transmission);
tClutch *clutch = &(trans->clutch);
tGearbox *gearbox = &(trans->gearbox);
tDifferential *differential, *differential0, *differential1;
tdble transfer = MIN(clutch->transferValue * 3.0f, 1.0f);
switch(trans->type) {
case TRANS_RWD:
differential = &(trans->differential[TRANS_REAR_DIFF]);
differential->in.Tq = (car->engine.Tq_response + car->engine.Tq) * trans->curOverallRatio * transfer * trans->gearEff[gearbox->gear+1];
SimDifferentialUpdate(car, differential, 1);
SimUpdateFreeWheels(car, 0);
/* printf("s0 %f - s1 %f (%f) inTq %f -- Tq0 %f - Tq1 %f (%f)\n", */
/* differential->outAxis[0]->spinVel, differential->outAxis[1]->spinVel, differential->outAxis[0]->spinVel - differential->outAxis[1]->spinVel, */
/* differential->in.Tq, */
/* differential->outAxis[0]->Tq, differential->outAxis[1]->Tq, differential->outAxis[0]->Tq - differential->outAxis[1]->Tq); */
break;
case TRANS_FWD:
differential = &(trans->differential[TRANS_FRONT_DIFF]);
differential->in.Tq = (car->engine.Tq_response + car->engine.Tq) * trans->curOverallRatio * transfer * trans->gearEff[gearbox->gear+1];
SimDifferentialUpdate(car, differential, 1);
SimUpdateFreeWheels(car, 1);
/* printf("s0 %f - s1 %f (%f) inTq %f -- Tq0 %f - Tq1 %f (%f)\n", */
/* differential->outAxis[0]->spinVel, differential->outAxis[1]->spinVel, differential->outAxis[0]->spinVel - differential->outAxis[1]->spinVel, */
/* differential->in.Tq, */
/* differential->outAxis[0]->Tq, differential->outAxis[1]->Tq, differential->outAxis[0]->Tq - differential->outAxis[1]->Tq); */
break;
case TRANS_4WD:
differential = &(trans->differential[TRANS_CENTRAL_DIFF]);
differential0 = &(trans->differential[TRANS_FRONT_DIFF]);
differential1 = &(trans->differential[TRANS_REAR_DIFF]);
differential->in.Tq = (car->engine.Tq_response + car->engine.Tq) * trans->curOverallRatio * transfer * trans->gearEff[gearbox->gear+1];
differential->inAxis[0]->spinVel = (differential0->inAxis[0]->spinVel + differential0->inAxis[1]->spinVel) / 2.0f;
differential->inAxis[1]->spinVel = (differential1->inAxis[0]->spinVel + differential1->inAxis[1]->spinVel) / 2.0f;
differential->inAxis[0]->Tq = (differential0->inAxis[0]->Tq + differential0->inAxis[1]->Tq) / differential->ratio;
differential->inAxis[1]->Tq = (differential1->inAxis[0]->Tq + differential1->inAxis[1]->Tq) / differential->ratio;
differential->inAxis[0]->brkTq = (differential0->inAxis[0]->brkTq + differential0->inAxis[1]->brkTq) / differential->ratio;
differential->inAxis[1]->brkTq = (differential1->inAxis[0]->brkTq + differential1->inAxis[1]->brkTq) / differential->ratio;
SimDifferentialUpdate(car, differential, 1);
/* printf("\nCentral : s0 %f - s1 %f (%f) inTq %f -- Tq0 %f - Tq1 %f (%f)\n", */
/* differential->outAxis[0]->spinVel, differential->outAxis[1]->spinVel, differential->outAxis[0]->spinVel - differential->outAxis[1]->spinVel, */
/* differential->in.Tq, */
/* differential->outAxis[0]->Tq, differential->outAxis[1]->Tq, differential->outAxis[0]->Tq - differential->outAxis[1]->Tq); */
differential = differential0;
SimDifferentialUpdate(car, differential, 0);
/* printf("Front : s0 %f - s1 %f (%f) inTq %f -- Tq0 %f - Tq1 %f (%f)\n", */
/* differential->outAxis[0]->spinVel, differential->outAxis[1]->spinVel, differential->outAxis[0]->spinVel - differential->outAxis[1]->spinVel, */
/* differential->in.Tq, */
/* differential->outAxis[0]->Tq, differential->outAxis[1]->Tq, differential->outAxis[0]->Tq - differential->outAxis[1]->Tq); */
differential = differential1;
SimDifferentialUpdate(car, differential, 0);
/* printf("Rear : s0 %f - s1 %f (%f) inTq %f -- Tq0 %f - Tq1 %f (%f)\n", */
/* differential->outAxis[0]->spinVel, differential->outAxis[1]->spinVel, differential->outAxis[0]->spinVel - differential->outAxis[1]->spinVel, */
/* differential->in.Tq, */
/* differential->outAxis[0]->Tq, differential->outAxis[1]->Tq, differential->outAxis[0]->Tq - differential->outAxis[1]->Tq); */
break;
}
}
