void
SimCarConfig(tCar *car)
{
void *hdle = car->params;
tdble k;
tdble w;
tdble gcfrl, gcrrl, gcfr;
tdble wf0, wr0;
tdble overallwidth;
int i;
tCarElt *carElt = car->carElt;
car->dimension.x = GfParmGetNum(hdle, SECT_CAR, PRM_LEN, (char*)NULL, 4.7f);
car->dimension.y = GfParmGetNum(hdle, SECT_CAR, PRM_WIDTH, (char*)NULL, 1.9f);
overallwidth = GfParmGetNum(hdle, SECT_CAR, PRM_OVERALLWIDTH, (char*)NULL, car->dimension.y);
car->dimension.z = GfParmGetNum(hdle, SECT_CAR, PRM_HEIGHT, (char*)NULL, 1.2f);
car->mass = GfParmGetNum(hdle, SECT_CAR, PRM_MASS, (char*)NULL, 1500);
car->Minv = (tdble) (1.0 / car->mass);
gcfr = GfParmGetNum(hdle, SECT_CAR, PRM_FRWEIGHTREP, (char*)NULL, .5);
gcfrl = GfParmGetNum(hdle, SECT_CAR, PRM_FRLWEIGHTREP, (char*)NULL, .5);
gcrrl = GfParmGetNum(hdle, SECT_CAR, PRM_RRLWEIGHTREP, (char*)NULL, .5);
car->statGC.y = (tdble) (- (gcfr * gcfrl + (1 - gcfr) * gcrrl) * car->dimension.y + car->dimension.y / 2.0);
car->statGC.z = GfParmGetNum(hdle, SECT_CAR, PRM_GCHEIGHT, (char*)NULL, .5);
car->tank = GfParmGetNum(hdle, SECT_CAR, PRM_TANK, (char*)NULL, 80);
car->fuel = GfParmGetNum(hdle, SECT_CAR, PRM_FUEL, (char*)NULL, 80);
k = GfParmGetNum(hdle, SECT_CAR, PRM_CENTR, (char*)NULL, 1.0);
carElt->_drvPos_x = GfParmGetNum(hdle, SECT_DRIVER, PRM_XPOS, (char*)NULL, 0.0);
carElt->_drvPos_y = GfParmGetNum(hdle, SECT_DRIVER, PRM_YPOS, (char*)NULL, 0.0);
carElt->_drvPos_z = GfParmGetNum(hdle, SECT_DRIVER, PRM_ZPOS, (char*)NULL, 0.0);
carElt->_bonnetPos_x = GfParmGetNum(hdle, SECT_BONNET, PRM_XPOS, (char*)NULL, carElt->_drvPos_x);
carElt->_bonnetPos_y = GfParmGetNum(hdle, SECT_BONNET, PRM_YPOS, (char*)NULL, carElt->_drvPos_y);
carElt->_bonnetPos_z = GfParmGetNum(hdle, SECT_BONNET, PRM_ZPOS, (char*)NULL, carElt->_drvPos_z);
if (car->fuel > car->tank) {
car->fuel = car->tank;
}
k = k * k;
car->Iinv.x = (tdble) (12.0 / (car->mass * k * (car->dimension.y * car->dimension.y + car->dimension.z * car->dimension.z)));
car->Iinv.y = (tdble) (12.0 / (car->mass * k * (car->dimension.x * car->dimension.x + car->dimension.z * car->dimension.z)));
car->Iinv.z = (tdble) (12.0 / (car->mass * k * (car->dimension.y * car->dimension.y + car->dimension.x * car->dimension.x)));
/* configure components */
w = car->mass * G;
wf0 = w * gcfr;
wr0 = w * (1 - gcfr);
car->wheel[FRNT_RGT].weight0 = wf0 * gcfrl;
car->wheel[FRNT_LFT].weight0 = wf0 * (1 - gcfrl);
car->wheel[REAR_RGT].weight0 = wr0 * gcrrl;
car->wheel[REAR_LFT].weight0 = wr0 * (1 - gcrrl);
for (i = 0; i < 2; i++) {
SimAxleConfig(car, i);
}
for (i = 0; i < 4; i++) {
SimWheelConfig(car, i);
}
SimEngineConfig(car);
SimTransmissionConfig(car);
SimSteerConfig(car);
SimBrakeSystemConfig(car);
SimAeroConfig(car);
for (i = 0; i < 2; i++) {
SimWingConfig(car, i);
}
/* Set the origin to GC */
car->wheelbase = car->wheeltrack = 0;
car->statGC.x = car->wheel[FRNT_RGT].staticPos.x * gcfr + car->wheel[REAR_RGT].staticPos.x * (1 - gcfr);
carElt->_dimension = car->dimension;
carElt->_statGC = car->statGC;
carElt->_tank = car->tank;
for (i = 0; i < 4; i++) {
carElt->priv.wheel[i].relPos = car->wheel[i].relPos;
}
for (i = 0; i < 4; i++) {
car->wheel[i].staticPos.x -= car->statGC.x;
car->wheel[i].staticPos.y -= car->statGC.y;
}
car->wheelbase = (tdble) ((car->wheel[FRNT_RGT].staticPos.x
+ car->wheel[FRNT_LFT].staticPos.x
- car->wheel[REAR_RGT].staticPos.x
- car->wheel[REAR_LFT].staticPos.x) / 2.0);
car->wheeltrack = (tdble) ((-car->wheel[REAR_LFT].staticPos.y
- car->wheel[FRNT_LFT].staticPos.y
+ car->wheel[FRNT_RGT].staticPos.y
+ car->wheel[REAR_RGT].staticPos.y) / 2.0);
/* set corners pos */
car->corner[FRNT_RGT].pos.x = (tdble) (car->dimension.x * .5 - car->statGC.x);
car->corner[FRNT_RGT].pos.y = (tdble) (- overallwidth * .5 - car->statGC.y);
car->corner[FRNT_RGT].pos.z = 0;
car->corner[FRNT_LFT].pos.x = (tdble) (car->dimension.x * .5 - car->statGC.x);
car->corner[FRNT_LFT].pos.y = (tdble) (overallwidth * .5 - car->statGC.y);
car->corner[FRNT_LFT].pos.z = 0;
car->corner[REAR_RGT].pos.x = (tdble) (- car->dimension.x * .5 - car->statGC.x);
car->corner[REAR_RGT].pos.y = (tdble) (- overallwidth * .5 - car->statGC.y);
car->corner[REAR_RGT].pos.z = 0;
car->corner[REAR_LFT].pos.x = (tdble) (- car->dimension.x * .5 - car->statGC.x);
car->corner[REAR_LFT].pos.y = (tdble) (overallwidth * .5 - car->statGC.y);
car->corner[REAR_LFT].pos.z = 0;
}
void
SimCarConfig(tCar *car)
{
void *hdle = car->params;
tdble k;
tdble w;
tdble gcfrl, gcrrl, gcfr;
tdble wf0, wr0;
tdble overallwidth;
int i;
tCarElt *carElt = car->carElt;
car->options = new SimulationOptions;
car->options->SetFromSkill (carElt->_skillLevel);
car->options->LoadFromFile (hdle);
car->fuel_time = 0.0;
car->fuel_consumption = 0.0;
car->carElt->_fuelTotal = 0.0;
car->carElt->_fuelInstant = 10.0;
car->carElt->priv.collision_state.collision_count = 0;
for (i=0; i<3; i++) {
car->carElt->priv.collision_state.pos[0] = 0.0;
car->carElt->priv.collision_state.force[0] = 0.0;
}
car->dimension.x = GfParmGetNum(hdle, SECT_CAR, PRM_LEN, (char*)NULL, 4.7);
car->dimension.y = GfParmGetNum(hdle, SECT_CAR, PRM_WIDTH, (char*)NULL, 1.9);
overallwidth = GfParmGetNum(hdle, SECT_CAR, PRM_OVERALLWIDTH, (char*)NULL, car->dimension.y);
car->dimension.z = GfParmGetNum(hdle, SECT_CAR, PRM_HEIGHT, (char*)NULL, 1.2);
car->mass = GfParmGetNum(hdle, SECT_CAR, PRM_MASS, (char*)NULL, 1500);
car->Minv = 1.0 / car->mass;
gcfr = GfParmGetNum(hdle, SECT_CAR, PRM_FRWEIGHTREP, (char*)NULL, .5);
gcfrl = GfParmGetNum(hdle, SECT_CAR, PRM_FRLWEIGHTREP, (char*)NULL, .5);
gcrrl = GfParmGetNum(hdle, SECT_CAR, PRM_RRLWEIGHTREP, (char*)NULL, .5);
car->statGC.y = - (gcfr * gcfrl + (1 - gcfr) * gcrrl) * car->dimension.y + car->dimension.y / 2.0;
car->statGC.z = GfParmGetNum(hdle, SECT_CAR, PRM_GCHEIGHT, (char*)NULL, .5);
car->tank = GfParmGetNum(hdle, SECT_CAR, PRM_TANK, (char*)NULL, 80);
car->fuel = GfParmGetNum(hdle, SECT_CAR, PRM_FUEL, (char*)NULL, 80);
k = GfParmGetNum(hdle, SECT_CAR, PRM_CENTR, (char*)NULL, 1.0);
carElt->_drvPos_x = GfParmGetNum(hdle, SECT_DRIVER, PRM_XPOS, (char*)NULL, 0.0);
carElt->_drvPos_y = GfParmGetNum(hdle, SECT_DRIVER, PRM_YPOS, (char*)NULL, 0.0);
carElt->_drvPos_z = GfParmGetNum(hdle, SECT_DRIVER, PRM_ZPOS, (char*)NULL, 0.0);
carElt->_bonnetPos_x = GfParmGetNum(hdle, SECT_BONNET, PRM_XPOS, (char*)NULL, carElt->_drvPos_x);
carElt->_bonnetPos_y = GfParmGetNum(hdle, SECT_BONNET, PRM_YPOS, (char*)NULL, carElt->_drvPos_y);
carElt->_bonnetPos_z = GfParmGetNum(hdle, SECT_BONNET, PRM_ZPOS, (char*)NULL, carElt->_drvPos_z);
if (car->fuel > car->tank) {
car->fuel = car->tank;
}
car->fuel_prev = car->fuel;
k = k * k;
car->Iinv.x = 12.0 / (car->mass * (car->dimension.y * car->dimension.y + k *car->dimension.z * car->dimension.z));
car->Iinv.y = 12.0 / (car->mass * (car->dimension.x * car->dimension.x + k * car->dimension.z * car->dimension.z));
car->Iinv.z = 12.0 / (car->mass * (car->dimension.y * car->dimension.y + k * car->dimension.x * car->dimension.x));
// initialise rotational momentum
for (i=0; i<4; i++) {
car->rot_mom[i] = 0.0;
}
car->rot_mom[SG_W] = 1.0;
/* configure components */
w = car->mass * G;
wf0 = w * gcfr;
wr0 = w * (1 - gcfr);
car->wheel[FRNT_RGT].weight0 = wf0 * gcfrl;
car->wheel[FRNT_LFT].weight0 = wf0 * (1 - gcfrl);
car->wheel[REAR_RGT].weight0 = wr0 * gcrrl;
car->wheel[REAR_LFT].weight0 = wr0 * (1 - gcrrl);
for (i = 0; i < 2; i++) {
SimAxleConfig(car, i);
}
for (i = 0; i < 4; i++) {
SimWheelConfig(car, i);
}
SimEngineConfig(car);
SimTransmissionConfig(car);
SimSteerConfig(car);
SimBrakeSystemConfig(car);
SimAeroConfig(car);
for (i = 0; i < 2; i++) {
SimWingConfig(car, i);
}
/* Set the origin to GC */
car->wheelbase = car->wheeltrack = 0;
car->statGC.x = car->wheel[FRNT_RGT].staticPos.x * gcfr + car->wheel[REAR_RGT].staticPos.x * (1 - gcfr);
carElt->_dimension = car->dimension;
carElt->_statGC = car->statGC;
carElt->_tank = car->tank;
for (i = 0; i < 4; i++) {
carElt->priv.wheel[i].relPos = car->wheel[i].relPos;
}
for (i = 0; i < 4; i++) {
car->wheel[i].staticPos.x -= car->statGC.x;
car->wheel[i].staticPos.y -= car->statGC.y;
}
car->wheelbase = (car->wheel[FRNT_RGT].staticPos.x
+ car->wheel[FRNT_LFT].staticPos.x
- car->wheel[REAR_RGT].staticPos.x
- car->wheel[REAR_LFT].staticPos.x) / 2.0;
car->wheeltrack = (-car->wheel[REAR_LFT].staticPos.y
- car->wheel[FRNT_LFT].staticPos.y
+ car->wheel[FRNT_RGT].staticPos.y
+ car->wheel[REAR_RGT].staticPos.y) / 2.0;
/* set corners pos */
car->corner[FRNT_RGT].pos.x = car->dimension.x * .5 - car->statGC.x;
car->corner[FRNT_RGT].pos.y = - overallwidth * .5 - car->statGC.y;
car->corner[FRNT_RGT].pos.z = 0;
car->corner[FRNT_LFT].pos.x = car->dimension.x * .5 - car->statGC.x;
car->corner[FRNT_LFT].pos.y = overallwidth * .5 - car->statGC.y;
car->corner[FRNT_LFT].pos.z = 0;
car->corner[REAR_RGT].pos.x = - car->dimension.x * .5 - car->statGC.x;
car->corner[REAR_RGT].pos.y = - overallwidth * .5 - car->statGC.y;
car->corner[REAR_RGT].pos.z = 0;
car->corner[REAR_LFT].pos.x = - car->dimension.x * .5 - car->statGC.x;
car->corner[REAR_LFT].pos.y = overallwidth * .5 - car->statGC.y;
car->corner[REAR_LFT].pos.z = 0;
car->upside_down_timer = 0.0f;
}
void
SimCarConfig(tCar *car)
{
void *hdle = car->params;
tdble k;
tdble w;
tdble gcfrl, gcrrl, gcfr;
tdble wf0, wr0;
tdble overallwidth;
int i;
tCarElt *carElt = car->carElt;
const char *enabling;
/* get features first */
car->features = 0;
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_AEROTOCG, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_AEROTOCG;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_SLOWGRIP, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_SLOWGRIP;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_REALGEARCHANGE, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_REALGEARCHANGE;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_REVLIMIT, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_REVLIMIT;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_TIRETEMPDEG, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_TIRETEMPDEG;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_FIXEDWHEELFORCE, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_FIXEDWHEELFORCE;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_TCLINSIMU, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_TCLINSIMU;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_ABSINSIMU, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_ABSINSIMU;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_ESPINSIMU, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_ESPINSIMU;
}
enabling = GfParmGetStr(hdle, SECT_FEATURES, PRM_LIMITEDGROUNDEFFECT, VAL_NO);
if (strcmp(enabling, VAL_YES) == 0) {
car->features = car->features | FEAT_LIMITEDGROUNDEFFECT;
}
/* continue with car parameters */
car->dimension.x = GfParmGetNum(hdle, SECT_CAR, PRM_LEN, (char*)NULL, 4.7f);
car->dimension.y = GfParmGetNum(hdle, SECT_CAR, PRM_WIDTH, (char*)NULL, 1.9f);
overallwidth = GfParmGetNum(hdle, SECT_CAR, PRM_OVERALLWIDTH, (char*)NULL, car->dimension.y);
car->dimension.z = GfParmGetNum(hdle, SECT_CAR, PRM_HEIGHT, (char*)NULL, 1.2f);
car->mass = GfParmGetNum(hdle, SECT_CAR, PRM_MASS, (char*)NULL, 1500);
car->Minv = (tdble) (1.0 / car->mass);
gcfr = GfParmGetNum(hdle, SECT_CAR, PRM_FRWEIGHTREP, (char*)NULL, .5);
gcfrl = GfParmGetNum(hdle, SECT_CAR, PRM_FRLWEIGHTREP, (char*)NULL, .5);
gcrrl = GfParmGetNum(hdle, SECT_CAR, PRM_RRLWEIGHTREP, (char*)NULL, .5);
car->statGC.y = (tdble) (- (gcfr * gcfrl + (1 - gcfr) * gcrrl) * car->dimension.y + car->dimension.y / 2.0);
car->statGC.z = GfParmGetNum(hdle, SECT_CAR, PRM_GCHEIGHT, (char*)NULL, .5);
car->tank = GfParmGetNum(hdle, SECT_CAR, PRM_TANK, (char*)NULL, 80);
car->fuel = GfParmGetNum(hdle, SECT_CAR, PRM_FUEL, (char*)NULL, 80);
k = GfParmGetNum(hdle, SECT_CAR, PRM_CENTR, (char*)NULL, 1.0);
carElt->_drvPos_x = GfParmGetNum(hdle, SECT_DRIVER, PRM_XPOS, (char*)NULL, 0.0);
carElt->_drvPos_y = GfParmGetNum(hdle, SECT_DRIVER, PRM_YPOS, (char*)NULL, 0.0);
carElt->_drvPos_z = GfParmGetNum(hdle, SECT_DRIVER, PRM_ZPOS, (char*)NULL, 0.0);
carElt->_bonnetPos_x = GfParmGetNum(hdle, SECT_BONNET, PRM_XPOS, (char*)NULL, carElt->_drvPos_x);
carElt->_bonnetPos_y = GfParmGetNum(hdle, SECT_BONNET, PRM_YPOS, (char*)NULL, carElt->_drvPos_y);
carElt->_bonnetPos_z = GfParmGetNum(hdle, SECT_BONNET, PRM_ZPOS, (char*)NULL, carElt->_drvPos_z);
if (car->fuel > car->tank) {
car->fuel = car->tank;
}
k = k * k;
car->Iinv.x = (tdble) (12.0 / (car->mass * k * (car->dimension.y * car->dimension.y + car->dimension.z * car->dimension.z)));
car->Iinv.y = (tdble) (12.0 / (car->mass * k * (car->dimension.x * car->dimension.x + car->dimension.z * car->dimension.z)));
car->Iinv.z = (tdble) (12.0 / (car->mass * k * (car->dimension.y * car->dimension.y + car->dimension.x * car->dimension.x)));
/* configure components */
tdble K[4], Kfheave, Krheave;
for (i = 0; i < 4; i++) {
K[i] = GfParmGetNum(hdle, SuspSect[i], PRM_SPR, (char*)NULL, 175000.0f);
}
Kfheave = GfParmGetNum(hdle, SECT_FRNTHEAVE, PRM_SPR, (char*)NULL, 0.0f);
Krheave = GfParmGetNum(hdle, SECT_REARHEAVE, PRM_SPR, (char*)NULL, 0.0f);
/* wheel force bugfix is needed for heave springs */
if ( (Kfheave > 0.0f) || (Krheave > 0.0f) )
{car->features = car->features | FEAT_FIXEDWHEELFORCE;}
w = car->mass * G;
wf0 = w * gcfr;
wr0 = w * (1 - gcfr);
car->wheel[FRNT_RGT].weight0 = wf0 * gcfrl * K[FRNT_RGT] / (K[FRNT_RGT] + 0.5f*Kfheave);
car->wheel[FRNT_LFT].weight0 = wf0 * (1 - gcfrl) * K[FRNT_LFT] / (K[FRNT_LFT] + 0.5f*Kfheave);
car->wheel[REAR_RGT].weight0 = wr0 * gcrrl * K[REAR_RGT] / (K[REAR_RGT] + 0.5f*Krheave);
car->wheel[REAR_LFT].weight0 = wr0 * (1 - gcrrl) * K[REAR_LFT] / (K[REAR_LFT] + 0.5f*Krheave);
/*for (i = 0; i < 2; i++) {
SimAxleConfig(car, i, 0.0);
}*/
if (Kfheave > 0.0f) {
wf0 = (wf0 - car->wheel[FRNT_RGT].weight0 - car->wheel[FRNT_LFT].weight0);
SimAxleConfig(car, FRNT, wf0);
} else { SimAxleConfig(car, FRNT, 0.0f); }
if (Krheave > 0.0f) {
wr0 = (wr0 - car->wheel[REAR_RGT].weight0 - car->wheel[REAR_LFT].weight0);
SimAxleConfig(car, REAR, wr0);
} else { SimAxleConfig(car, REAR, 0.0f); }
for (i = 0; i < 4; i++) {
SimWheelConfig(car, i);
}
SimEngineConfig(car);
SimTransmissionConfig(car);
SimSteerConfig(car);
SimBrakeSystemConfig(car);
SimAeroConfig(car);
for (i = 0; i < 2; i++) {
SimWingConfig(car, i);
}
/* Set the origin to GC */
car->wheelbase = car->wheeltrack = 0;
car->statGC.x = car->wheel[FRNT_RGT].staticPos.x * gcfr + car->wheel[REAR_RGT].staticPos.x * (1 - gcfr);
carElt->_dimension = car->dimension;
carElt->_statGC = car->statGC;
carElt->_tank = car->tank;
for (i = 0; i < 4; i++) {
carElt->priv.wheel[i].relPos = car->wheel[i].relPos;
}
for (i = 0; i < 4; i++) {
car->wheel[i].staticPos.x -= car->statGC.x;
car->wheel[i].staticPos.y -= car->statGC.y;
}
car->wheelbase = (tdble) ((car->wheel[FRNT_RGT].staticPos.x
+ car->wheel[FRNT_LFT].staticPos.x
- car->wheel[REAR_RGT].staticPos.x
- car->wheel[REAR_LFT].staticPos.x) / 2.0);
car->wheeltrack = (tdble) ((-car->wheel[REAR_LFT].staticPos.y
- car->wheel[FRNT_LFT].staticPos.y
+ car->wheel[FRNT_RGT].staticPos.y
+ car->wheel[REAR_RGT].staticPos.y) / 2.0);
/* set corners pos */
car->corner[FRNT_RGT].pos.x = (tdble) (car->dimension.x * .5 - car->statGC.x);
car->corner[FRNT_RGT].pos.y = (tdble) (- overallwidth * .5 - car->statGC.y);
car->corner[FRNT_RGT].pos.z = 0;
car->corner[FRNT_LFT].pos.x = (tdble) (car->dimension.x * .5 - car->statGC.x);
car->corner[FRNT_LFT].pos.y = (tdble) (overallwidth * .5 - car->statGC.y);
car->corner[FRNT_LFT].pos.z = 0;
car->corner[REAR_RGT].pos.x = (tdble) (- car->dimension.x * .5 - car->statGC.x);
car->corner[REAR_RGT].pos.y = (tdble) (- overallwidth * .5 - car->statGC.y);
car->corner[REAR_RGT].pos.z = 0;
car->corner[REAR_LFT].pos.x = (tdble) (- car->dimension.x * .5 - car->statGC.x);
car->corner[REAR_LFT].pos.y = (tdble) (overallwidth * .5 - car->statGC.y);
car->corner[REAR_LFT].pos.z = 0;
/* set wing positions */
if (car->features & FEAT_AEROTOCG) {
for (i = 0; i < 2; i++) {
car->wing[i].staticPos.x -= car->statGC.x;
car->wing[i].staticPos.y -= car->statGC.y;
car->wing[i].staticPos.z -= car->statGC.z;
}
}
}
