Exemplo n.º 1
0
void PxVehicleDriveTankSmoothDigitalRawInputsAndSetAnalogInputs
(const PxVehicleKeySmoothingData& keySmoothing, 
 const PxVehicleDriveTankRawInputData& rawInputData, 
 const PxF32 timestep, 
 PxVehicleDriveTank& focusVehicle)
{
	PxF32 val;
	val=processDigitalValue(PxVehicleDriveTank::eANALOG_INPUT_ACCEL,keySmoothing,rawInputData.getDigitalAccel(),timestep,focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_ACCEL));
	focusVehicle.mDriveDynData.setAnalogInput(val,PxVehicleDriveTank::eANALOG_INPUT_ACCEL);
	val=processDigitalValue(PxVehicleDriveTank::eANALOG_INPUT_THRUST_LEFT,keySmoothing,rawInputData.getDigitalLeftThrust(),timestep,focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_THRUST_LEFT));
	focusVehicle.mDriveDynData.setAnalogInput(val,PxVehicleDriveTank::eANALOG_INPUT_THRUST_LEFT);
	val=processDigitalValue(PxVehicleDriveTank::eANALOG_INPUT_THRUST_RIGHT,keySmoothing,rawInputData.getDigitalRightThrust(),timestep,focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_THRUST_RIGHT));
	focusVehicle.mDriveDynData.setAnalogInput(val,PxVehicleDriveTank::eANALOG_INPUT_THRUST_RIGHT);
	val=processDigitalValue(PxVehicleDriveTank::eANALOG_INPUT_BRAKE_LEFT,keySmoothing,rawInputData.getDigitalLeftBrake(),timestep,focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_BRAKE_LEFT));
	focusVehicle.mDriveDynData.setAnalogInput(val,PxVehicleDriveTank::eANALOG_INPUT_BRAKE_LEFT);
	val=processDigitalValue(PxVehicleDriveTank::eANALOG_INPUT_BRAKE_RIGHT,keySmoothing,rawInputData.getDigitalRightBrake(),timestep,focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_BRAKE_RIGHT));
	focusVehicle.mDriveDynData.setAnalogInput(val,PxVehicleDriveTank::eANALOG_INPUT_BRAKE_RIGHT);

	//Update digital inputs for focus vehicle.
	focusVehicle.mDriveDynData.setGearUp(rawInputData.getGearUp());
	focusVehicle.mDriveDynData.setGearDown(rawInputData.getGearDown());

	switch(rawInputData.getDriveModel())
	{
	case PxVehicleDriveTank::eDRIVE_MODEL_SPECIAL:
		{
			const PxF32 thrustL=focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_THRUST_LEFT)-focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_BRAKE_LEFT);
			focusVehicle.mDriveDynData.setAnalogInput(thrustL,PxVehicleDriveTank::eANALOG_INPUT_THRUST_LEFT);
			focusVehicle.mDriveDynData.setAnalogInput(0.0f,PxVehicleDriveTank::eANALOG_INPUT_BRAKE_LEFT);

			const PxF32 thrustR=focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_THRUST_RIGHT)-focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_BRAKE_RIGHT);
			focusVehicle.mDriveDynData.setAnalogInput(thrustR,PxVehicleDriveTank::eANALOG_INPUT_THRUST_RIGHT);
			focusVehicle.mDriveDynData.setAnalogInput(0.0f,PxVehicleDriveTank::eANALOG_INPUT_BRAKE_RIGHT);
		}
		break;
	case PxVehicleDriveTank::eDRIVE_MODEL_STANDARD:
		{
			const PxF32 thrustL=focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_THRUST_LEFT)-focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_BRAKE_LEFT);
			if(thrustL>0)
			{
				focusVehicle.mDriveDynData.setAnalogInput(thrustL,PxVehicleDriveTank::eANALOG_INPUT_THRUST_LEFT);
				focusVehicle.mDriveDynData.setAnalogInput(0.0f,PxVehicleDriveTank::eANALOG_INPUT_BRAKE_LEFT);
			}
			else
			{
				focusVehicle.mDriveDynData.setAnalogInput(0.0f,PxVehicleDriveTank::eANALOG_INPUT_THRUST_LEFT);
				focusVehicle.mDriveDynData.setAnalogInput(-thrustL,PxVehicleDriveTank::eANALOG_INPUT_BRAKE_LEFT);
			}

			const PxF32 thrustR=focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_THRUST_RIGHT)-focusVehicle.mDriveDynData.getAnalogInput(PxVehicleDriveTank::eANALOG_INPUT_BRAKE_RIGHT);
			if(thrustR>0)
			{
				focusVehicle.mDriveDynData.setAnalogInput(thrustR,PxVehicleDriveTank::eANALOG_INPUT_THRUST_RIGHT);
				focusVehicle.mDriveDynData.setAnalogInput(0.0f,PxVehicleDriveTank::eANALOG_INPUT_BRAKE_RIGHT);
			}
			else
			{
				focusVehicle.mDriveDynData.setAnalogInput(0.0f,PxVehicleDriveTank::eANALOG_INPUT_THRUST_RIGHT);
				focusVehicle.mDriveDynData.setAnalogInput(-thrustR,PxVehicleDriveTank::eANALOG_INPUT_BRAKE_RIGHT);
			}
		}
		break;

	default:
		PX_ASSERT(false);
		break;
	}

}
void SampleVehicle_VehicleController::processAutoReverse
(const PxVehicleWheels& focusVehicle, const PxVehicleDriveDynData& driveDynData, const PxVehicleWheelQueryResult& vehicleWheelQueryResults,
 const PxVehicleDriveTankRawInputData& tankRawInputs,
 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 = PxVehicleIsInAir(vehicleWheelQueryResults);
		if(!isInAir)
		{
			bool accelLeft,accelRight,brakeLeft,brakeRight;
			if(mUseKeyInputs)
			{
				accelLeft=tankRawInputs.getDigitalLeftThrust();
				accelRight=tankRawInputs.getDigitalRightThrust();
				brakeLeft=tankRawInputs.getDigitalLeftBrake();
				brakeRight=tankRawInputs.getDigitalRightBrake();
			}
			else
			{
				accelLeft = tankRawInputs.getAnalogLeftThrust() > 0 ? true : false;
				accelRight = tankRawInputs.getAnalogRightThrust() > 0 ? true : false; 
				brakeLeft = tankRawInputs.getAnalogLeftBrake() > 0 ? true : false;  
				brakeRight = tankRawInputs.getAnalogRightBrake() > 0 ? true : false;

				/*
				if(accelLeft && accelLeft==accelRight && !brakeLeft && !brakeRight)
				{
					shdfnd::printFormatted("aligned accel\n");
				}

				if(brakeLeft && brakeLeft==brakeRight && !accelLeft && !accelRight)
				{
					shdfnd::printFormatted("aligned brake\n");
				}
				*/

			}

			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(!accelLeft && !accelRight && !brakeLeft && !brakeRight && (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) && brakeLeft && brakeRight && !accelLeft && !accelRight && (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 && accelLeft && accelRight && !brakeLeft && !brakeRight && (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 && (!brakeLeft || !brakeRight) && (!accelLeft || !accelRight))
			{
				newIsMovingForwardSlowly = true;
			}
		}
	}
}