void PxVehicleDrive4WSmoothAnalogRawInputsAndSetAnalogInputs
(const PxVehiclePadSmoothingData& padSmoothing, const PxFixedSizeLookupTable<8>& steerVsForwardSpeedTable,
const PxVehicleDrive4WRawInputData& rawInputData,
const PxF32 timestep,
PxVehicleDrive4W& focusVehicle)
{
//gearup/geardown
const bool gearup=rawInputData.getGearUp();
const bool geardown=rawInputData.getGearDown();
focusVehicle.mDriveDynData.setGearUp(gearup);
focusVehicle.mDriveDynData.setGearDown(geardown);
//Update analog inputs for focus vehicle.
//Process the accel.
{
const PxF32 riseRate=padSmoothing.mRiseRates[PxVehicleDrive4W::eANALOG_INPUT_ACCEL];
const PxF32 fallRate=padSmoothing.mFallRates[PxVehicleDrive4W::eANALOG_INPUT_ACCEL];
const PxF32 currentVal=focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDrive4W::eANALOG_INPUT_ACCEL);
const PxF32 targetVal=rawInputData.getAnalogAccel();
const PxF32 accel=processPositiveAnalogValue(riseRate,fallRate,currentVal,targetVal,timestep);
focusVehicle.mDriveDynData.setAnalogInput(accel,PxVehicleDrive4W::eANALOG_INPUT_ACCEL);
}
//Process the brake
{
const PxF32 riseRate=padSmoothing.mRiseRates[PxVehicleDrive4W::eANALOG_INPUT_BRAKE];
const PxF32 fallRate=padSmoothing.mFallRates[PxVehicleDrive4W::eANALOG_INPUT_BRAKE];
const PxF32 currentVal=focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDrive4W::eANALOG_INPUT_BRAKE);
const PxF32 targetVal=rawInputData.getAnalogBrake();
const PxF32 brake=processPositiveAnalogValue(riseRate,fallRate,currentVal,targetVal,timestep);
focusVehicle.mDriveDynData.setAnalogInput(brake,PxVehicleDrive4W::eANALOG_INPUT_BRAKE);
}
//Process the handbrake.
{
const PxF32 riseRate=padSmoothing.mRiseRates[PxVehicleDrive4W::eANALOG_INPUT_HANDBRAKE];
const PxF32 fallRate=padSmoothing.mFallRates[PxVehicleDrive4W::eANALOG_INPUT_HANDBRAKE];
const PxF32 currentVal=focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDrive4W::eANALOG_INPUT_HANDBRAKE);
const PxF32 targetVal=rawInputData.getAnalogHandbrake();
const PxF32 handbrake=processPositiveAnalogValue(riseRate,fallRate,currentVal,targetVal,timestep);
focusVehicle.mDriveDynData.setAnalogInput(handbrake,PxVehicleDrive4W::eANALOG_INPUT_HANDBRAKE);
}
//Process the steer
{
const PxF32 vz=focusVehicle.computeForwardSpeed();
const PxF32 vzAbs=PxAbs(vz);
const bool isInAir=focusVehicle.isInAir();
const PxF32 riseRate=padSmoothing.mRiseRates[PxVehicleDrive4W::eANALOG_INPUT_STEER_RIGHT];
const PxF32 fallRate=padSmoothing.mFallRates[PxVehicleDrive4W::eANALOG_INPUT_STEER_RIGHT];
const PxF32 currentVal=focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDrive4W::eANALOG_INPUT_STEER_RIGHT)-focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDrive4W::eANALOG_INPUT_STEER_LEFT);
const PxF32 targetVal=rawInputData.getAnalogSteer()*(isInAir ? 1.0f :steerVsForwardSpeedTable.getYVal(vzAbs));
const PxF32 steer=processAnalogValue(riseRate,fallRate,currentVal,targetVal,timestep);
focusVehicle.mDriveDynData.setAnalogInput(0.0f, PxVehicleDrive4W::eANALOG_INPUT_STEER_LEFT);
focusVehicle.mDriveDynData.setAnalogInput(steer, PxVehicleDrive4W::eANALOG_INPUT_STEER_RIGHT);
}
}
void SampleVehicle_VehicleController::processAutoReverse
(const PxVehicleWheels& focusVehicle, const PxVehicleDriveDynData& driveDynData, const PxVehicleDrive4WRawInputData& carRawInputs,
bool& toggleAutoReverse, bool& newIsMovingForwardSlowly) const
{
newIsMovingForwardSlowly = false;
toggleAutoReverse = false;
if(driveDynData.getUseAutoGears())
{
//If the car is travelling very slowly in forward gear without player input and the player subsequently presses the brake then we want the car to go into reverse gear
//If the car is travelling very slowly in reverse gear without player input and the player subsequently presses the accel then we want the car to go into forward gear
//If the car is in forward gear and is travelling backwards then we want to automatically put the car into reverse gear.
//If the car is in reverse gear and is travelling forwards then we want to automatically put the car into forward gear.
//(If the player brings the car to rest with the brake the player needs to release the brake then reapply it
//to indicate they want to toggle between forward and reverse.)
const bool prevIsMovingForwardSlowly=mIsMovingForwardSlowly;
bool isMovingForwardSlowly=false;
bool isMovingBackwards=false;
const bool isInAir = focusVehicle.isInAir();
if(!isInAir)
{
bool accelRaw,brakeRaw,handbrakeRaw;
if(mUseKeyInputs)
{
accelRaw=carRawInputs.getDigitalAccel();
brakeRaw=carRawInputs.getDigitalBrake();
handbrakeRaw=carRawInputs.getDigitalHandbrake();
}
else
{
accelRaw=carRawInputs.getAnalogAccel() > 0 ? true : false;
brakeRaw=carRawInputs.getAnalogBrake() > 0 ? true : false;
handbrakeRaw=carRawInputs.getAnalogHandbrake() > 0 ? true : false;
}
const PxF32 forwardSpeed = focusVehicle.computeForwardSpeed();
const PxF32 forwardSpeedAbs = PxAbs(forwardSpeed);
const PxF32 sidewaysSpeedAbs = PxAbs(focusVehicle.computeSidewaysSpeed());
const PxU32 currentGear = driveDynData.getCurrentGear();
const PxU32 targetGear = driveDynData.getTargetGear();
//Check if the car is rolling against the gear (backwards in forward gear or forwards in reverse gear).
if(PxVehicleGearsData::eFIRST == currentGear && forwardSpeed < -THRESHOLD_ROLLING_BACKWARDS_SPEED)
{
isMovingBackwards = true;
}
else if(PxVehicleGearsData::eREVERSE == currentGear && forwardSpeed > THRESHOLD_ROLLING_BACKWARDS_SPEED)
{
isMovingBackwards = true;
}
//Check if the car is moving slowly.
if(forwardSpeedAbs < THRESHOLD_FORWARD_SPEED && sidewaysSpeedAbs < THRESHOLD_SIDEWAYS_SPEED)
{
isMovingForwardSlowly=true;
}
//Now work if we need to toggle from forwards gear to reverse gear or vice versa.
if(isMovingBackwards)
{
if(!accelRaw && !brakeRaw && !handbrakeRaw && (currentGear == targetGear))
{
//The car is rolling against the gear and the player is doing nothing to stop this.
toggleAutoReverse = true;
}
}
else if(prevIsMovingForwardSlowly && isMovingForwardSlowly)
{
if((currentGear > PxVehicleGearsData::eNEUTRAL) && brakeRaw && !accelRaw && (currentGear == targetGear))
{
//The car was moving slowly in forward gear without player input and is now moving slowly with player input that indicates the
//player wants to switch to reverse gear.
toggleAutoReverse = true;
}
else if(currentGear == PxVehicleGearsData::eREVERSE && accelRaw && !brakeRaw && (currentGear == targetGear))
{
//The car was moving slowly in reverse gear without player input and is now moving slowly with player input that indicates the
//player wants to switch to forward gear.
toggleAutoReverse = true;
}
}
//If the car was brought to rest through braking then the player needs to release the brake then reapply
//to indicate that the gears should toggle between reverse and forward.
if(isMovingForwardSlowly && !brakeRaw && !accelRaw && !handbrakeRaw)
{
newIsMovingForwardSlowly = true;
}
}
}
}