static void GetVehicleAutoBoxSetup(const FVehicleTransmissionData& Setup, PxVehicleAutoBoxData& PxSetup)
{
for (int32 i = 0; i < Setup.ForwardGears.Num(); i++)
{
const FVehicleGearData& GearData = Setup.ForwardGears[i];
PxSetup.mUpRatios[i] = GearData.UpRatio;
PxSetup.mDownRatios[i] = GearData.DownRatio;
}
PxSetup.mUpRatios[PxVehicleGearsData::eNEUTRAL] = Setup.NeutralGearUpRatio;
PxSetup.setLatency(Setup.GearAutoBoxLatency);
}
static void GetVehicleAutoBoxSetup(const FVehicleAutoBoxData& Setup, PxVehicleAutoBoxData& PxSetup)
{
for (uint32 i = PxVehicleGearsData::eFIRST; i < PxVehicleGearsData::eGEARSRATIO_COUNT; i++)
{
const FGearUpDownRatio& RatioData = Setup.ForwardGearAutoBox[i - PxVehicleGearsData::eFIRST];
PxSetup.mUpRatios[i] = RatioData.UpRatio;
PxSetup.mDownRatios[i] = RatioData.DownRatio;
}
PxSetup.mUpRatios[PxVehicleGearsData::eNEUTRAL] = Setup.NeutralGearUpRatio;
PxSetup.setLatency(Setup.GearAutoBoxLatency);
}
UWheeledVehicleMovementComponent4W::UWheeledVehicleMovementComponent4W(const class FPostConstructInitializeProperties& PCIP) : Super(PCIP)
{
#if WITH_PHYSX
// grab default values from physx
PxVehicleDifferential4WData DefDifferentialSetup;
TEnumAsByte<EVehicleDifferential4W::Type> DiffType((uint8)DefDifferentialSetup.mType);
DifferentialSetup.DifferentialType = DiffType;
DifferentialSetup.FrontRearSplit = DefDifferentialSetup.mFrontRearSplit;
DifferentialSetup.FrontLeftRightSplit = DefDifferentialSetup.mFrontLeftRightSplit;
DifferentialSetup.RearLeftRightSplit = DefDifferentialSetup.mRearLeftRightSplit;
DifferentialSetup.CentreBias = DefDifferentialSetup.mCentreBias;
DifferentialSetup.FrontBias = DefDifferentialSetup.mFrontBias;
DifferentialSetup.RearBias = DefDifferentialSetup.mRearBias;
const PxReal LengthScale = 100.f; // Convert default from m to cm
PxVehicleEngineData DefEngineData;
EngineSetup.MOI = DefEngineData.mMOI * LengthScale * LengthScale;
EngineSetup.PeakTorque = 1000 * LengthScale * LengthScale;
EngineSetup.MaxOmega = 1000;
EngineSetup.DampingRateFullThrottle = 0.5f * LengthScale * LengthScale;
EngineSetup.DampingRateZeroThrottleClutchEngaged = 2.0f * LengthScale * LengthScale;
EngineSetup.DampingRateZeroThrottleClutchDisengaged = 0.5f * LengthScale * LengthScale;
PxVehicleClutchData DefClutchData;
ClutchStrength = DefClutchData.mStrength * LengthScale * LengthScale; // convert from m to cm scale
PxVehicleAckermannGeometryData DefAckermannSetup;
AckermannAccuracy = DefAckermannSetup.mAccuracy;
PxVehicleGearsData DefGearSetup;
GearSetup.GearSwitchTime = DefGearSetup.mSwitchTime;
GearSetup.ReverseGearRatio = DefGearSetup.mRatios[PxVehicleGearsData::eREVERSE];
for (uint32 i = PxVehicleGearsData::eFIRST; i < DefGearSetup.mNbRatios; i++)
{
GearSetup.ForwardGearRatios.Add(DefGearSetup.mRatios[i]);
}
GearSetup.RatioMultiplier = DefGearSetup.mFinalRatio;
PxVehicleAutoBoxData DefAutoBoxSetup;
for (uint32 i = PxVehicleGearsData::eFIRST; i < PxVehicleGearsData::eGEARSRATIO_COUNT; i++)
{
FGearUpDownRatio RatioData;
RatioData.UpRatio = DefAutoBoxSetup.mUpRatios[i];
RatioData.DownRatio = DefAutoBoxSetup.mUpRatios[i];
AutoBoxSetup.ForwardGearAutoBox.Add(RatioData);
}
AutoBoxSetup.NeutralGearUpRatio = DefAutoBoxSetup.mUpRatios[PxVehicleGearsData::eNEUTRAL];
AutoBoxSetup.GearAutoBoxLatency = DefAutoBoxSetup.getLatency();
bUseGearAutoBox = true;
MaxSteeringSpeed = 6000.0f; // editable in vehicle blueprint
SteeringCurve.AddZeroed(4);
SteeringCurve[0].InVal = 0.0f;
SteeringCurve[0].OutVal = 0.75f;
SteeringCurve[1].InVal = 0.05f;
SteeringCurve[1].OutVal = 0.75f;
SteeringCurve[2].InVal = 0.25f;
SteeringCurve[2].OutVal = 0.125f;
SteeringCurve[3].InVal = 1.0f;
SteeringCurve[3].OutVal = 0.1f;
WheelSetups.AddZeroed(4);
for (int i = 0 ; i < WheelSetups.Num(); ++i)
{
WheelSetups[i].WheelClass = UVehicleWheel::StaticClass();
}
#endif // WITH_PHYSX
}
UWheeledVehicleMovementComponent4W::UWheeledVehicleMovementComponent4W(const FObjectInitializer& ObjectInitializer) : Super(ObjectInitializer)
{
#if WITH_VEHICLE
// grab default values from physx
PxVehicleDifferential4WData DefDifferentialSetup;
TEnumAsByte<EVehicleDifferential4W::Type> DiffType((uint8)DefDifferentialSetup.mType);
DifferentialSetup.DifferentialType = DiffType;
DifferentialSetup.FrontRearSplit = DefDifferentialSetup.mFrontRearSplit;
DifferentialSetup.FrontLeftRightSplit = DefDifferentialSetup.mFrontLeftRightSplit;
DifferentialSetup.RearLeftRightSplit = DefDifferentialSetup.mRearLeftRightSplit;
DifferentialSetup.CentreBias = DefDifferentialSetup.mCentreBias;
DifferentialSetup.FrontBias = DefDifferentialSetup.mFrontBias;
DifferentialSetup.RearBias = DefDifferentialSetup.mRearBias;
PxVehicleEngineData DefEngineData;
EngineSetup.MOI = DefEngineData.mMOI;
EngineSetup.MaxRPM = OmegaToRPM(DefEngineData.mMaxOmega);
EngineSetup.DampingRateFullThrottle = DefEngineData.mDampingRateFullThrottle;
EngineSetup.DampingRateZeroThrottleClutchEngaged = DefEngineData.mDampingRateZeroThrottleClutchEngaged;
EngineSetup.DampingRateZeroThrottleClutchDisengaged = DefEngineData.mDampingRateZeroThrottleClutchDisengaged;
// Convert from PhysX curve to ours
FRichCurve* TorqueCurveData = EngineSetup.TorqueCurve.GetRichCurve();
for(PxU32 KeyIdx=0; KeyIdx<DefEngineData.mTorqueCurve.getNbDataPairs(); KeyIdx++)
{
float Input = DefEngineData.mTorqueCurve.getX(KeyIdx) * EngineSetup.MaxRPM;
float Output = DefEngineData.mTorqueCurve.getY(KeyIdx) * DefEngineData.mPeakTorque;
TorqueCurveData->AddKey(Input, Output);
}
PxVehicleClutchData DefClutchData;
TransmissionSetup.ClutchStrength = DefClutchData.mStrength;
PxVehicleAckermannGeometryData DefAckermannSetup;
AckermannAccuracy = DefAckermannSetup.mAccuracy;
PxVehicleGearsData DefGearSetup;
TransmissionSetup.GearSwitchTime = DefGearSetup.mSwitchTime;
TransmissionSetup.ReverseGearRatio = DefGearSetup.mRatios[PxVehicleGearsData::eREVERSE];
TransmissionSetup.FinalRatio = DefGearSetup.mFinalRatio;
PxVehicleAutoBoxData DefAutoBoxSetup;
TransmissionSetup.NeutralGearUpRatio = DefAutoBoxSetup.mUpRatios[PxVehicleGearsData::eNEUTRAL];
TransmissionSetup.GearAutoBoxLatency = DefAutoBoxSetup.getLatency();
TransmissionSetup.bUseGearAutoBox = true;
for (uint32 i = PxVehicleGearsData::eFIRST; i < DefGearSetup.mNbRatios; i++)
{
FVehicleGearData GearData;
GearData.DownRatio = DefAutoBoxSetup.mDownRatios[i];
GearData.UpRatio = DefAutoBoxSetup.mUpRatios[i];
GearData.Ratio = DefGearSetup.mRatios[i];
TransmissionSetup.ForwardGears.Add(GearData);
}
// Init steering speed curve
FRichCurve* SteeringCurveData = SteeringCurve.GetRichCurve();
SteeringCurveData->AddKey(0.f, 1.f);
SteeringCurveData->AddKey(20.f, 0.9f);
SteeringCurveData->AddKey(60.f, 0.8f);
SteeringCurveData->AddKey(120.f, 0.7f);
// Initialize WheelSetups array with 4 wheels
WheelSetups.SetNum(4);
#endif // WITH_VEHICLE
}