public void setMotorMount(MotorMount mount) {
if (mount != null) {
for (MotorConfiguration m : mount.getMotorConfiguration()) {
this.usedMotors.add((ThrustCurveMotor) m.getMotor());
}
}
}
/**
* Create a new motor instance configuration for the rocket configuration.
*
* @param configuration the rocket configuration.
* @return a new motor instance configuration with all motors in place.
*/
private MotorInstanceConfiguration setupMotorConfiguration(Configuration configuration) {
MotorInstanceConfiguration motors = new MotorInstanceConfiguration();
final String motorId = configuration.getMotorConfigurationID();
Iterator<MotorMount> iterator = configuration.motorIterator();
while (iterator.hasNext()) {
MotorMount mount = iterator.next();
RocketComponent component = (RocketComponent) mount;
Motor motor = mount.getMotor(motorId);
if (motor != null) {
Coordinate[] positions = component.toAbsolute(mount.getMotorPosition(motorId));
for (int i = 0; i < positions.length; i++) {
Coordinate position = positions[i];
MotorId id = new MotorId(component.getID(), i + 1);
motors.addMotor(id, motor.getInstance(), mount, position);
}
}
}
return motors;
}
/**
* Handles events occurring during the flight from the event queue. Each event that has occurred
* before or at the current simulation time is processed. Suitable events are also added to the
* flight data.
*/
private boolean handleEvents() throws SimulationException {
boolean ret = true;
FlightEvent event;
for (event = nextEvent(); event != null; event = nextEvent()) {
// Ignore events for components that are no longer attached to the rocket
if (event.getSource() != null
&& event.getSource().getParent() != null
&& !status.getConfiguration().isStageActive(event.getSource().getStageNumber())) {
continue;
}
// Call simulation listeners, allow aborting event handling
if (!SimulationListenerHelper.fireHandleFlightEvent(status, event)) {
continue;
}
if (event.getType() != FlightEvent.Type.ALTITUDE) {
log.verbose("BasicEventSimulationEngine: Handling event " + event);
}
if (event.getType() == FlightEvent.Type.IGNITION) {
MotorMount mount = (MotorMount) event.getSource();
MotorId motorId = (MotorId) event.getData();
MotorInstance instance = status.getMotorConfiguration().getMotorInstance(motorId);
if (!SimulationListenerHelper.fireMotorIgnition(status, motorId, mount, instance)) {
continue;
}
}
if (event.getType() == FlightEvent.Type.RECOVERY_DEVICE_DEPLOYMENT) {
RecoveryDevice device = (RecoveryDevice) event.getSource();
if (!SimulationListenerHelper.fireRecoveryDeviceDeployment(status, device)) {
continue;
}
}
// Check for motor ignition events, add ignition events to queue
for (MotorId id : status.getMotorConfiguration().getMotorIDs()) {
MotorMount mount = status.getMotorConfiguration().getMotorMount(id);
RocketComponent component = (RocketComponent) mount;
if (mount.getIgnitionEvent().isActivationEvent(event, component)) {
addEvent(
new FlightEvent(
FlightEvent.Type.IGNITION,
status.getSimulationTime() + mount.getIgnitionDelay(),
component,
id));
}
}
// Check for stage separation event
for (int stageNo : status.getConfiguration().getActiveStages()) {
if (stageNo == 0) continue;
Stage stage = (Stage) status.getConfiguration().getRocket().getChild(stageNo);
if (stage.getSeparationEvent().isSeparationEvent(event, stage)) {
addEvent(
new FlightEvent(
FlightEvent.Type.STAGE_SEPARATION,
event.getTime() + stage.getSeparationDelay(),
stage));
}
}
// Check for recovery device deployment, add events to queue
Iterator<RocketComponent> rci = status.getConfiguration().iterator();
while (rci.hasNext()) {
RocketComponent c = rci.next();
if (!(c instanceof RecoveryDevice)) continue;
if (((RecoveryDevice) c).getDeployEvent().isActivationEvent(event, c)) {
// Delay event by at least 1ms to allow stage separation to occur first
addEvent(
new FlightEvent(
FlightEvent.Type.RECOVERY_DEVICE_DEPLOYMENT,
event.getTime() + Math.max(0.001, ((RecoveryDevice) c).getDeployDelay()),
c));
}
}
// Handle event
switch (event.getType()) {
case LAUNCH:
{
status.getFlightData().addEvent(event);
break;
}
case IGNITION:
{
// Ignite the motor
MotorMount mount = (MotorMount) event.getSource();
RocketComponent component = (RocketComponent) mount;
MotorId motorId = (MotorId) event.getData();
MotorInstanceConfiguration config = status.getMotorConfiguration();
config.setMotorIgnitionTime(motorId, event.getTime());
status.setMotorIgnited(true);
status.getFlightData().addEvent(event);
break;
}
case LIFTOFF:
{
// Mark lift-off as occurred
status.setLiftoff(true);
status.getFlightData().addEvent(event);
break;
}
case LAUNCHROD:
{
// Mark launch rod as cleared
status.setLaunchRodCleared(true);
status.getFlightData().addEvent(event);
break;
}
case BURNOUT:
{
// If motor burnout occurs without lift-off, abort
if (!status.isLiftoff()) {
throw new SimulationLaunchException("Motor burnout without liftoff.");
}
// Add ejection charge event
String id = status.getConfiguration().getMotorConfigurationID();
MotorMount mount = (MotorMount) event.getSource();
double delay = mount.getMotorDelay(id);
if (delay != Motor.PLUGGED) {
addEvent(
new FlightEvent(
FlightEvent.Type.EJECTION_CHARGE,
status.getSimulationTime() + delay,
event.getSource(),
event.getData()));
}
status.getFlightData().addEvent(event);
break;
}
case EJECTION_CHARGE:
{
status.getFlightData().addEvent(event);
break;
}
case STAGE_SEPARATION:
{
// TODO: HIGH: Store lower stages to be simulated later
RocketComponent stage = event.getSource();
int n = stage.getStageNumber();
status.getConfiguration().setToStage(n - 1);
status.getFlightData().addEvent(event);
break;
}
case APOGEE:
// Mark apogee as reached
status.setApogeeReached(true);
status.getFlightData().addEvent(event);
break;
case RECOVERY_DEVICE_DEPLOYMENT:
RocketComponent c = event.getSource();
int n = c.getStageNumber();
// Ignore event if stage not active
if (status.getConfiguration().isStageActive(n)) {
// TODO: HIGH: Check stage activeness for other events as well?
// Check whether any motor in the active stages is active anymore
for (MotorId motorId : status.getMotorConfiguration().getMotorIDs()) {
int stage =
((RocketComponent) status.getMotorConfiguration().getMotorMount(motorId))
.getStageNumber();
if (!status.getConfiguration().isStageActive(stage)) continue;
if (!status.getMotorConfiguration().getMotorInstance(motorId).isActive()) continue;
status.getWarnings().add(Warning.RECOVERY_DEPLOYMENT_WHILE_BURNING);
}
// Check for launch rod
if (!status.isLaunchRodCleared()) {
status
.getWarnings()
.add(
Warning.fromString(
"Recovery device device deployed while on " + "the launch guide."));
}
// Check current velocity
if (status.getRocketVelocity().length() > 20) {
// TODO: LOW: Custom warning.
status
.getWarnings()
.add(
Warning.fromString(
"Recovery device deployment at high "
+ "speed ("
+ UnitGroup.UNITS_VELOCITY.toStringUnit(
status.getRocketVelocity().length())
+ ")."));
}
status.setLiftoff(true);
status.getDeployedRecoveryDevices().add((RecoveryDevice) c);
this.currentStepper = this.landingStepper;
this.status = currentStepper.initialize(status);
status.getFlightData().addEvent(event);
}
break;
case GROUND_HIT:
status.getFlightData().addEvent(event);
break;
case SIMULATION_END:
ret = false;
status.getFlightData().addEvent(event);
break;
case ALTITUDE:
break;
}
}
// If no motor has ignited, abort
if (!status.isMotorIgnited()) {
throw new MotorIgnitionException("No motors ignited.");
}
return ret;
}