diff --git a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/ExampleSimulationProgramTam.java b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/ExampleSimulationProgramTam.java
new file mode 100644
index 0000000000000000000000000000000000000000..a6ab8626861c9b6cebd7655b81eaa4763fdd30d8
--- /dev/null
+++ b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/ExampleSimulationProgramTam.java
@@ -0,0 +1,504 @@
+/**
+ * Copyright (c) 2008-2022, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ * @author brutzman@nps.edu
+ */
+package MV3500Cohort2022MayJune.homework2.Tam;
+
+import edu.nps.moves.dis7.entities.swe.platform.surface._001Poseidon;
+import edu.nps.moves.dis7.entities.swe.platform.surface._002Triton;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.DisThreadedNetworkInterface;
+import edu.nps.moves.dis7.utilities.DisTime;
+import edu.nps.moves.dis7.utilities.PduFactory;
+import edu.nps.moves.dis7.utilities.SimulationManager;
+import edu.nps.moves.dis7.utilities.stream.PduRecorder;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/** The purpose of this inheritable class is to provide an easily modifiable example simulation program
+ * that includes DIS-capable entities performing tasks of interest, and then reporting activity via PDUs
+ * to the network.
+ * Default program initialization includes PDU recording turned on by default.
+ * @see <a href="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/blob/master/examples/src/OpenDis7Examples/ExampleSimulationProgramLog.txt">ExampleSimulationProgramLog.txt</a>
+ */
+public class ExampleSimulationProgramTam
+{
+ private boolean verboseComments = true;
+ static final String NETWORK_ADDRESS_DEFAULT = "239.1.2.3";
+ static final int NETWORK_PORT_DEFAULT = 3000;
+ String networkAddress = NETWORK_ADDRESS_DEFAULT;
+ int networkPort = NETWORK_PORT_DEFAULT;
+ String thisHostName = "localhost";
+ String DEFAULT_OUTPUT_DIRECTORY = "./pduLog";
+
+ /** seconds for real-time execution (not simulation time, which may or may not be the same) */
+ double currentTimeStep = 2.0; // seconds
+ /** initial simulation time */
+ double initialTime = 0.0;
+ /** current simulation time */
+ double simulationTime;
+
+ /**
+ * Output prefix to help with logging by identifying this class (can be overridden in subclass).
+ */
+ protected static String TRACE_PREFIX;
+
+ /* Declare DIS Protocol Data Unit (PDU) classes for simulation entities */
+
+ DisTime.TimestampStyle timestampStyle = DisTime.TimestampStyle.IEEE_ABSOLUTE;
+ PduFactory pduFactory = new PduFactory(timestampStyle);
+
+ /** EntityID settings for entity 1 */
+ protected EntityID entityID_1 = new EntityID();
+ /** EntityID settings for entity 2 */
+ protected EntityID entityID_2 = new EntityID();
+ /** ESPDU for entity 1 */
+ protected EntityStatePdu entityStatePdu_1 = pduFactory.makeEntityStatePdu();
+ /** ESPDU for entity 2 */
+ protected EntityStatePdu entityStatePdu_2 = pduFactory.makeEntityStatePdu();
+ /** FirePdu for entity 1 first weapon (if any) */
+ protected FirePdu firePdu_1a = pduFactory.makeFirePdu();
+ /** FirePdu for entity 1 second weapon (if any) */
+ protected FirePdu firePdu_1b = pduFactory.makeFirePdu();
+ /** MunitionDescriptor for these weapons */
+ protected MunitionDescriptor munitionDescriptor1 = new MunitionDescriptor();
+
+ /** this class instantiated as an object */
+ SimulationManager simulationManager = new SimulationManager();
+
+ /** Get ready, get set... initialize simulation entities
+ */
+ public void initializeSimulationEntities()
+ {
+ // Your model setup: define participants. who's who in this zoo?
+ // Assuming you keep track of entity objects... here is some support for for Entity 1.
+
+ // PDU objects are already created, now set their values.
+ entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID;
+
+ entityID_2.setSiteID(1).setApplicationID(2).setEntityID(4); // made-up example ID;
+ // TODO someday, use enumerations; is there a unique site triplet for MOVES Institute?
+
+ entityStatePdu_1.setEntityID(entityID_1);
+ entityStatePdu_1.setForceId(ForceID.FRIENDLY);
+ entityStatePdu_1.setEntityType(new _001Poseidon()); // note import statement above
+ entityStatePdu_1.setMarking("Entity #1");
+ entityStatePdu_1.getMarkingString(); // check
+
+ entityStatePdu_2.setEntityID(entityID_2);
+ entityStatePdu_2.setForceId(ForceID.OPPOSING);
+ entityStatePdu_2.setEntityType(new _002Triton()); // note import statement above
+ entityStatePdu_2.setMarking("Entity #2");
+
+ // TODO how should we customize this munition? what is it for your simulation?
+ munitionDescriptor1.setQuantity(1);
+ firePdu_1a.setDescriptor(munitionDescriptor1).setRange(1000.0f);
+
+ // TODO simulation management PDUs for startup, planning to design special class support
+// simulationManager.addEntity();
+ simulationManager.setDescriptor("ExampleSimulationProgram");
+ simulationManager.addHost(thisHostName);
+ simulationManager.setDisThreadedNetworkInterface(disNetworkInterface);
+ }
+
+ /**
+ * This runSimulationLoops() method is for you, a customizable programmer-modifiable
+ * code block for defining and running a new simulation of interest.
+ *
+ * Welcome! Other parts of this program handle bookkeeping and plumbing tasks so that
+ * you can focus on your model entities and activities.
+ * Expandable support includes DIS EntityStatePdu, FirePdu and CommentPdu all available for
+ * modification and sending in a simulation loop.
+ * Continuous improvement efforts seek to make this program as easy and straightforward
+ * as possible for DIS simulationists to use and adapt.
+ * All of the other methods are setup, teardown and configuration that you may find
+ * interesting, even helpful, but don't really have to worry about.
+ */
+ @SuppressWarnings("SleepWhileInLoop") // yes we do that
+ public void runSimulationLoops ()
+ {
+ try
+ {
+ final int SIMULATION_MAX_LOOP_COUNT = 10; // be deliberate out there! also avoid infinite loops.
+ int simulationLoopCount = 0; // variable, initialized at 0
+ boolean simulationComplete = false; // sentinel variable as termination condition, are we done yet?
+
+ // TODO reset Clock Time to today's date and timestamp to zero, providing consistent outputs for each simulation run
+
+ pduRecorder.setVerbose(true);
+
+ initializeSimulationEntities();
+
+ simulationManager.simulationJoin();
+ simulationManager.simulationStart();
+
+ // ===================================================================================================
+ // loop the simulation while allowed, programmer can set additional conditions to break out and finish
+ while (simulationLoopCount < SIMULATION_MAX_LOOP_COUNT) // are we done yet?
+ {
+ simulationLoopCount++; // good practice: increment loop counter as first action in that loop
+
+ // =============================================================================================
+ // * your own simulation code starts here! *
+ // =============================================================================================
+
+ // are there any other variables to modify at the beginning of your loop?
+
+ // compute a track, update an ESPDU, whatever it is that your model is doing...
+
+ // Where is my entity? Insert changes in position; this sample only changes X position.
+ entityStatePdu_1.getEntityLocation().setX(entityStatePdu_1.getEntityLocation().getX() + 1.0); // 1m per timestep
+
+ // decide whether to fire, and then update the firePdu. Hmmm, you might want a target to shoot at!
+
+ // etc. etc. your code goes here for your simulation of interest
+
+ // something happens between my simulation entities, la de da de da...
+ System.out.println ("... My simulation just did something, no really...");
+ System.out.flush();
+
+
+ // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+ narrativeMessage1 = "MV3500 ExampleSimulationProgram";
+ narrativeMessage2 = "runSimulation() loop " + simulationLoopCount;
+ narrativeMessage3 = ""; // intentionally blank for testing
+
+ // your loop termination condition goes here
+ if (simulationLoopCount > 4) // for example
+ {
+ simulationComplete = true;
+ }
+ // =============================================================================================
+ // * your own simulation code is finished here! *
+ // =============================================================================================
+
+ // staying synchronized with timestep: wait duration for elapsed time in this loop
+ // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+ Thread.sleep((long)(currentTimeStep * 1000)); // seconds * (1000 msec/sec) = milliseconds
+ System.out.println ("... [Pausing for " + currentTimeStep + " seconds]");
+
+ // OK now send the status PDUs for this loop, and then continue
+ System.out.println ("sending PDUs for simulation step " + simulationLoopCount + ", monitor loopback to confirm sent");
+ System.out.flush();
+ sendAllPdusForLoopTimestep(entityStatePdu_1, firePdu_1a, currentTimeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+ sendSinglePdu(entityStatePdu_2); // me too i.e. 2!
+ System.out.println ("... [PDUs successfully sent for this loop]");
+ System.out.flush();
+
+ // ===============================
+ // current loop now finished, check whether to terminate if simulation complete, otherwise continue
+ if (simulationComplete || (simulationLoopCount > 10000)) // for example; including fail-safe condition is good
+ {
+ System.out.println ("... [loop termination condition met, simulationComplete=" + simulationComplete + "]"); // ", final loopCount=" + loopCount +
+ System.out.flush();
+ break;
+ }
+ } // end of simulation loop
+ // ===================================================================================================
+
+ narrativeMessage2 = "runSimulation() completed successfully"; // all done
+ sendCommentPdu(narrativeComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+ System.out.println ("... [final CommentPdu successfully sent for simulation]");
+
+ // TODO simulation management PDUs
+ simulationManager.simulationStop();
+ simulationManager.simulationLeave();
+ }
+ catch (InterruptedException iex) // handle any exception that your code might choose to provoke!
+ {
+ Logger.getLogger(ExampleSimulationProgramTam.class.getName()).log(Level.SEVERE, null, iex);
+ }
+ }
+ /* **************************** infrastructure code, modification is seldom needed ************************* */
+
+ String narrativeMessage1 = new String();
+ String narrativeMessage2 = new String();
+ String narrativeMessage3 = new String();
+
+ /* VariableRecordType enumerations have potential use with CommentPdu logs */
+ /* TODO contrast to EntityType */
+ VariableRecordType descriptionComment = VariableRecordType.DESCRIPTION;
+ VariableRecordType narrativeComment = VariableRecordType.COMPLETE_EVENT_REPORT;
+ VariableRecordType statusComment = VariableRecordType.APPLICATION_STATUS;
+ VariableRecordType currentTimeStepComment = VariableRecordType.APPLICATION_TIMESTEP;
+ VariableRecordType otherComment = VariableRecordType.OTHER;
+
+ // class variables
+ DisThreadedNetworkInterface disNetworkInterface;
+ DisThreadedNetworkInterface.PduListener pduListener;
+ Pdu receivedPdu;
+ PduRecorder pduRecorder;
+
+ /**
+ * Constructor design goal: additional built-in initialization conveniences can go here
+ * to keep student efforts focused on the runSimulation() method.
+ */
+ public ExampleSimulationProgramTam()
+ {
+ DisTime.setTimestampStyle(timestampStyle);
+
+ try
+ {
+ thisHostName = InetAddress.getLocalHost().getHostName();
+ System.out.println(TRACE_PREFIX + "thisHostName=" + thisHostName);
+ }
+ catch (UnknownHostException uhe)
+ {
+ System.out.println(TRACE_PREFIX + thisHostName + "not connected to network: " + uhe.getMessage());
+ }
+ }
+
+ /**
+ * Utility Constructor that allows your example simulation program to override default network address and port
+ * @param address network address to use
+ * @param port corresponding network port to use
+ */
+ public ExampleSimulationProgramTam(String address, int port)
+ {
+ super();
+
+ setNetworkAddress(address);
+
+ setNetworkPort(port);
+ }
+
+ /**
+ * get current networkAddress as a string
+ * @return the networkAddress
+ */
+ public String getNetworkAddress()
+ {
+ return networkAddress;
+ }
+ /**
+ * set current networkAddress using a string
+ * @param newNetworkAddress the networkAddress to set
+ */
+ public final void setNetworkAddress(String newNetworkAddress)
+ {
+ this.networkAddress = newNetworkAddress;
+ }
+
+ /**
+ * get current networkPort
+ * @return the networkPort
+ */
+ public int getNetworkPort()
+ {
+ return networkPort;
+ }
+ /**
+ * set current networkPort
+ * @param newNetworkPort the networkPort to set
+ */
+ public final void setNetworkPort(int newNetworkPort)
+ {
+ this.networkPort = newNetworkPort;
+ }
+ /**
+ * Get timestampStyle used by PduFactory
+ * @return current timestampStyle
+ */
+ public DisTime.TimestampStyle getTimestampStyle()
+ {
+ return timestampStyle;
+ }
+ /**
+ * Set timestampStyle used by PduFactory
+ * @param newTimestampStyle the timestampStyle to set
+ * @return same object to permit progressive setters
+ */
+ public ExampleSimulationProgramTam setTimestampStyle(DisTime.TimestampStyle newTimestampStyle)
+ {
+ timestampStyle = newTimestampStyle;
+ DisTime.setTimestampStyle(newTimestampStyle);
+ return this;
+ }
+
+ /**
+ * Initialize network interface, choosing best available network interface
+ */
+ public void setUpNetworkInterface()
+ {
+ disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+ disNetworkInterface.setDescriptor ("ExampleSimulationProgram pdu looping");
+
+ System.out.println("Network confirmation:" +
+ " address=" + disNetworkInterface.getAddress()+ // disNetworkInterface.getMulticastGroup() +
+ " port=" + disNetworkInterface.getPort()); // + disNetworkInterface.getDisPort());
+ pduListener = new DisThreadedNetworkInterface.PduListener()
+ {
+ /** Callback handler for listener */
+ @Override
+ public void incomingPdu(Pdu newPdu)
+ {
+ receivedPdu = newPdu;
+ }
+ };
+ disNetworkInterface.addListener(pduListener);
+
+ String outputDirectory = DEFAULT_OUTPUT_DIRECTORY;
+ System.out.println("Beginning pdu save to directory " + outputDirectory);
+ pduRecorder = new PduRecorder(outputDirectory, getNetworkAddress(), getNetworkPort()); // assumes save
+ pduRecorder.setEncodingPduLog(PduRecorder.ENCODING_PLAINTEXT);
+ pduRecorder.setVerbose(true); // either sending, receiving or both
+ pduRecorder.start(); // begin running
+ }
+
+ /** All done, release network resources */
+ public void tearDownNetworkInterface()
+ {
+ pduRecorder.stop(); // handles disNetworkInterface.close(), tears down threads and sockets
+ }
+
+ /**
+ * Send a single Protocol Data Unit (PDU) of any type
+ * @param pdu the pdu to send
+ */
+ protected void sendSinglePdu(Pdu pdu)
+ {
+ try
+ {
+ disNetworkInterface.send(pdu);
+ Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally
+ }
+ catch (InterruptedException ex)
+ {
+ System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage());
+ System.exit(1);
+ }
+ }
+
+ /**
+ * Send Comment PDU
+ * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments
+ * @param commentType enumeration value describing purpose of the narrative comment
+ * @param comments String array of narrative comments
+ */
+ public void sendCommentPdu(VariableRecordType commentType,
+ // vararg... variable-length set of String comments can optionally follow
+ String... comments)
+ {
+ sendAllPdusForLoopTimestep (null, null, commentType, comments);
+ }
+
+ /**
+ * Send EntityState, Fire, Comment PDUs that got updated for this loop, reflecting state of current simulation timestep.
+ * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments
+ * @param entityStatePdu the ESPDU to send, if any
+ * @param firePdu the FirePDU to send, if any
+ * @param commentType enumeration value describing purpose of the narrative comment
+ * @param comments String array of narrative comments
+ */
+ public void sendAllPdusForLoopTimestep(EntityStatePdu entityStatePdu,
+ FirePdu firePdu,
+ VariableRecordType commentType,
+ // vararg... variable-length set of String comments can optionally follow
+ String... comments)
+ {
+ if (entityStatePdu != null)
+ sendSinglePdu(entityStatePdu);
+
+ if (firePdu != null)
+ sendSinglePdu(firePdu); // bang
+
+ if ((comments != null) && (comments.length > 0))
+ {
+ ArrayList<String> newCommentsList = new ArrayList<>();
+ for (String comment : comments)
+ {
+ if (!comment.isEmpty())
+ {
+ newCommentsList.add(comment); // OK found something to send
+ }
+ }
+ if (!newCommentsList.isEmpty())
+ {
+ if (commentType == null)
+ commentType = otherComment; // fallback value otherComment
+ // now build the commentPdu from these string inputs, thus constructing a narrative entry
+ CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
+ sendSinglePdu(commentPdu);
+ if (isVerboseComments())
+ {
+ System.out.println("*** [Narrative comment sent: " + commentType.name() + "] " + newCommentsList.toString());
+ System.out.flush();
+ }
+ }
+ }
+ }
+
+ /**
+ * test for verboseComments mode
+ * @return whether verboseComments mode is enabled
+ */
+ public boolean isVerboseComments() {
+ return verboseComments;
+ }
+
+ /**
+ * set verboseComments mode
+ * @param newVerboseComments whether verboseComments mode is enabled
+ */
+ public void setVerboseComments(boolean newVerboseComments) {
+ this.verboseComments = newVerboseComments;
+ }
+
+ /**
+ * Initial execution via main() method: handle args array of command-line initialization (CLI) arguments here
+ * @param args command-line parameters: network address and port
+ */
+ protected void handleArgs (String[] args)
+ {
+ // initial execution: handle args array of initialization arguments here
+ if (args.length == 2)
+ {
+ if ((args[0] != null) && !args[0].isEmpty())
+ thisProgram.setNetworkAddress(args[0]);
+ if ((args[1] != null) && !args[1].isEmpty())
+ thisProgram.setNetworkPort(Integer.parseInt(args[1]));
+ }
+ else if (args.length != 0)
+ {
+ System.err.println("Usage: " + thisProgram.getClass().getSimpleName() + " [address port]");
+ System.exit(-1);
+ }
+ }
+
+ /** Locally instantiable copy of program, can be subclassed. */
+ protected static ExampleSimulationProgramTam thisProgram;
+
+ /**
+ * Main method is first executed when a program instance is loaded.
+ * @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a>
+ * @param args command-line parameters: network address and port.
+ * Command-line arguments are an array of optional String parameters that are passed from execution environment during invocation
+ */
+ public static void main(String[] args)
+ {
+ TRACE_PREFIX = "[" + ExampleSimulationProgramTam.class.getName() + "] ";
+
+ System.out.println(TRACE_PREFIX + "main() started...");
+
+ thisProgram = new ExampleSimulationProgramTam(); // creates instance of self within static main() method
+
+ thisProgram.handleArgs (args); // process command-line invocation arguments
+
+ thisProgram.setUpNetworkInterface();
+
+// thisProgram.pduRecorder.setDescriptor (TRACE_PREFIX.replace("[","").replace("]","") + " pduRecorder");
+
+ thisProgram.runSimulationLoops(); // ... your simulation execution code goes in there ...
+
+ thisProgram.tearDownNetworkInterface(); // make sure no processes are left lingering
+
+ System.out.println(TRACE_PREFIX + "complete."); // report successful completion
+
+ System.exit(0); // ensure all threads and sockets released
+ }
+}
diff --git a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/ExampleTrackInterpolationTam.java b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/ExampleTrackInterpolationTam.java
new file mode 100644
index 0000000000000000000000000000000000000000..93d9b1c9f010129aac3f9da8c566516d2a8396be
--- /dev/null
+++ b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/ExampleTrackInterpolationTam.java
@@ -0,0 +1,263 @@
+/**
+ * Copyright (c) 2008-2022, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ *
+ * @author brutzman@nps.edu
+ */
+package MV3500Cohort2022MayJune.homework2.Tam;
+
+
+import static MV3500Cohort2022MayJune.homework2.Tam.ExampleSimulationProgramTam.TRACE_PREFIX;
+import static MV3500Cohort2022MayJune.homework2.Tam.ExampleSimulationProgramTam.thisProgram;
+import edu.nps.moves.dis7.entities.swe.platform.surface._001Poseidon;
+import edu.nps.moves.dis7.enumerations.ForceID;
+import edu.nps.moves.dis7.pdus.EntityStatePdu;
+import edu.nps.moves.dis7.pdus.Pdu;
+import edu.nps.moves.dis7.pdus.Vector3Double;
+import edu.nps.moves.dis7.utilities.DisTime;
+import edu.nps.moves.dis7.utilities.stream.X3dCreateInterpolators;
+import edu.nps.moves.dis7.utilities.stream.X3dCreateLineSet;
+import java.util.ArrayList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * The purpose of this program is to provide an easily modifiable example
+ * simulation for networked entity tracks and presentation, including
+ * DIS-capable entities doing tasks and reporting them to the network.
+ * Default settings include PDU recording turned on by default.
+ * @see <a href="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/blob/master/examples/src/OpenDis7Examples/ExampleTrackInterpolationLog.txt">ExampleTrackInterpolationLog.txt</a>
+ * @see <a href="https://calhoun.nps.edu/handle/10945/65436">REPEATABLE UNIT TESTING OF DISTRIBUTED INTERACTIVE SIMULATION (DIS) PROTOCOL BEHAVIOR STREAMS USING WEB STANDARDS</a> by Tobias Brennenstuhl, Masters Thesis, Naval Postgraduate School (NPS), June 2020
+ * @see <a href="https://gitlab.nps.edu/Savage/SavageTheses/-/tree/master/BrennenstuhlTobias">https://gitlab.nps.edu/Savage/SavageTheses/-/tree/master/BrennenstuhlTobias</a>
+ */
+public class ExampleTrackInterpolationTam extends ExampleSimulationProgramTam
+{
+ // -------------------- Begin Variables for X3D autogenerated code
+ private X3dCreateInterpolators x3dInterpolators = new X3dCreateInterpolators();
+ private X3dCreateLineSet x3dLineSet = new X3dCreateLineSet();
+ private byte[] globalByteBufferForX3dInterpolators = null;
+ // -------------------- End Variables for X3D autogenerated code
+
+ ArrayList<Pdu> pduSentList = new ArrayList<>();
+
+ /**
+ * This runSimulationLoops() method is a programmer-modifiable method for
+ * defining and running a new simulation of interest. Welcome! Other parts
+ * of this program handle bookkeeping and plumbing tasks so that you can
+ * focus on your model entities and activities. Expandable support includes
+ * DIS EntityStatePdu, FirePdu and CommentPdu all available for modification
+ * and sending in a simulation loop. Continuous improvement efforts seek to
+ * make this program as easy and straightforward as possible for DIS
+ * simulationists to use and adapt. All of the other methods are setup,
+ * teardown and configuration that you may find interesting, even helpful,
+ * but don't really have to worry about.
+ */
+ @SuppressWarnings("SleepWhileInLoop") // yes we do that
+ @Override // indicates that this method supercedes corresponding superclass method
+ public void runSimulationLoops()
+ {
+ try
+ {
+ final int SIMULATION_MAX_LOOP_COUNT = 50; // be deliberate out there! also avoid infinite loops.
+ int simulationLoopCount = 0; // variable, initialized at 0
+ boolean simulationComplete = false; // sentinel variable as termination condition, are we done yet?
+
+ // TODO reset Clock Time to today's date and timestamp to zero, providing consistent outputs for each simulation run
+ DisTime.setEpochLvcNow();
+ simulationTime = initialTime - currentTimeStep; // pre-initialization for first loop
+
+ initializeSimulationEntities();
+
+ // use declared PDU objects and set their values.
+ entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID;
+ // TODO someday, use enumerations; is there a unique site triplet for MOVES Institute?
+
+ pduRecorder.setVerbose(false);
+ pduRecorder.hasVerboseOutput(); // debug check
+
+ EntityStatePdu espdu_1 = pduFactory.makeEntityStatePdu();
+ espdu_1.setEntityID(entityID_1);
+ espdu_1.setForceId(ForceID.FRIENDLY);
+ espdu_1.setEntityType(new _001Poseidon()); // note import statement above
+ espdu_1.setMarking("track path");
+// espdu_1.clearMarking(); // test
+// espdu_1.getMarkingString(); // trace
+// espdu_1.setEntityLocation(new Vector3Double().setX(0).setY(0).setZ(0)); // long form
+ espdu_1.setEntityLocation(0, 0, 0); // utility method
+
+ float speedEntity_1 = 1.0f; // meters/second
+ EntityStatePdu.Direction directionEntity_1 = EntityStatePdu.Direction.NORTH;
+
+ PduTrack pduTrack_1 = new PduTrack();
+ pduTrack_1.setDescriptor("testing 123");
+ pduTrack_1.setDefaultWaypointInterval(1.0f); // overrides timestamps
+ pduTrack_1.setAddLineBreaksWithinKeyValues(true);
+ pduTrack_1.setAuthor("Don Brutzman");
+ pduTrack_1.setX3dModelName("ExampleTrackInterpolation.x3d");
+ pduTrack_1.setX3dModelIdentifier("https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/blob/master/examples/src/OpenDis7Examples/ExampleTrackInterpolation.x3d");
+ pduTrack_1.addPdu(espdu_1); // initial location
+
+ // OK send initial PDUs prior to loop
+ if (pduRecorder.hasVerboseOutput())
+ System.out.println("sending PDUs for simulation step " + simulationLoopCount + ", monitor loopback to confirm sent");
+ sendSinglePdu(espdu_1);
+// sendCommentPdu(currentTimeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+ pduSentList.add(espdu_1);
+ reportPdu(simulationLoopCount, espdu_1.getEntityLocation(), directionEntity_1);
+
+ // TODO simulation management PDUs for startup, planning to design special class support
+ // ===================================================================================================
+ // loop the simulation while allowed, programmer can set additional conditions to break out and finish
+ while (simulationLoopCount < SIMULATION_MAX_LOOP_COUNT) // are we done yet?
+ {
+ simulationLoopCount++; // good practice: increment loop counter as first action in that loop
+ simulationTime += currentTimeStep; // good practice: update clock along with loop index
+
+ // =============================================================================================
+ // * your own simulation code starts here! *
+ // =============================================================================================
+ // are there any other variables to modify at the beginning of your loop?
+ // compute a track, update an ESPDU, whatever it is that your model is doing...
+
+ // Pick direction, change each 10 seconds, traverse a box. No physics. Walk a box!
+ if (simulationLoopCount <= 10)
+ directionEntity_1 = EntityStatePdu.Direction.NORTH;
+ else if (simulationLoopCount <= 20)
+ directionEntity_1 = EntityStatePdu.Direction.EAST;
+ else if (simulationLoopCount <= 30)
+ directionEntity_1 = EntityStatePdu.Direction.SOUTH;
+ else // if (simulationLoopCount <= 40)
+ directionEntity_1 = EntityStatePdu.Direction.WEST;
+
+ // use utility method to simply update velocity vector using speed value and direction
+ espdu_1.setEntityLinearVelocity(speedEntity_1, directionEntity_1);
+
+ // Where is my entity? Insert changes in position; this sample only changes X position.
+ espdu_1.advanceEntityLocation(currentTimeStep);
+
+ // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+ narrativeMessage1 = "MV3500 TrackSimulationProgram";
+ narrativeMessage2 = "runSimulation() loop " + simulationLoopCount + " at time " + simulationTime;
+ narrativeMessage3 = ""; // intentionally blank for testing
+
+ // your loop termination condition goes here
+ if (simulationLoopCount > 40) // for example
+ {
+ simulationComplete = true;
+ }
+ // =============================================================================================
+ // * your own simulation code is finished here! *
+ // =============================================================================================
+
+ // staying synchronized with timestep: wait duration for elapsed time in this loop
+ // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+ if (false) // real-time operation or simulation speedup
+ {
+ Thread.sleep((long) (currentTimeStep * 1000)); // seconds * (1000 msec/sec) = milliseconds
+ System.out.println(TRACE_PREFIX + "Pausing for " + currentTimeStep + " seconds");
+ }
+
+ // OK now send the status PDUs for this loop, and then continue
+ if (pduRecorder.hasVerboseOutput())
+ System.out.println("sending PDUs for simulation step " + simulationLoopCount + ", monitor loopback to confirm sent");
+ sendSinglePdu(espdu_1);
+ sendCommentPdu(currentTimeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+ if (pduRecorder.hasVerboseOutput())
+ System.out.println(TRACE_PREFIX + "PDUs successfully sent for this loop");
+ pduSentList.add(espdu_1);
+ pduTrack_1.addPdu(espdu_1);
+ Vector3Double location = espdu_1.getEntityLocation();
+ reportPdu(simulationLoopCount, location, directionEntity_1);
+
+ // ===============================
+ // current loop now finished, check whether to terminate if simulation complete, otherwise continue
+ if (simulationComplete || (simulationLoopCount > 10000)) // for example; including fail-safe condition is good
+ {
+ System.out.println(TRACE_PREFIX + "loop termination condition met, simulationComplete=" + simulationComplete); // ", final loopCount=" + loopCount +
+ break;
+ }
+ } // end of simulation loop
+ // ===================================================================================================
+ System.out.println(TRACE_PREFIX + "all PDUs successfully sent for this loop (pduSentList.size()=" + pduSentList.size() + " total)");
+
+ // track analysis
+ System.out.println(TRACE_PREFIX + "pduTrack_1 initialLocation=" + pduTrack_1.getInitialLocation() + ", latestLocation=" + pduTrack_1.getLatestLocation());
+ pduTrack_1.sortPdus()
+ .createRawWaypoints();
+
+ System.out.println("pduTrack_1 getEspduCount()=" + pduTrack_1.getEspduCount());
+ System.out.println("pduTrack_1 duration = " + pduTrack_1.getTotalDurationSeconds() + " seconds = " +
+ pduTrack_1.getTotalDurationTicks() + " ticks");
+ System.out.println("=================================");
+ System.out.println(pduTrack_1.createX3dModel());
+ System.out.println("=================================");
+
+ narrativeMessage2 = "runSimulation() completed successfully"; // all done
+ sendCommentPdu(narrativeComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+ if (pduRecorder.hasVerboseOutput())
+ System.out.println(TRACE_PREFIX + "final CommentPdu successfully sent for simulation");
+ // TODO simulation management PDUs
+ }
+ catch (InterruptedException iex) // handle any exception that your code might choose to provoke!
+ {
+ Logger.getLogger(ExampleTrackInterpolationTam.class.getName()).log(Level.SEVERE, null, iex);
+ }
+ }
+
+ /**
+ * Report current PDU information to console
+ * @param simulationLoopCount current loop index
+ * @param location current location
+ * @param directionEntity current direction
+ * @return same object to permit progressive setters
+ */
+ public ExampleTrackInterpolationTam reportPdu(int simulationLoopCount, Vector3Double location, EntityStatePdu.Direction directionEntity)
+ {
+ System.out.println (String.format("%2d ", simulationLoopCount) + "Entity location=(" +
+ String.format("%4.1f", location.getX()) + ", " +
+ String.format("%4.1f", location.getY()) + ", " +
+ String.format("%4.1f", location.getZ()) + ") " +
+ String.format("%-5s", directionEntity.name())
+// + " " + espdu_1.getEntityLinearVelocity().toString()
+ );
+ return this;
+ }
+
+ /* Default constructors used unless otherwise defined/overridden. */
+ /**
+ * Main method is first executed when a program instance is loaded.
+ *
+ * @see
+ * <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java
+ * Tutorials: A Closer Look at the "Hello World!" Application</a>
+ * @param args command-line arguments are an array of optional String
+ * parameters that are passed from execution environment during invocation
+ */
+ public static void main(String[] args)
+ {
+ TRACE_PREFIX = "[" + ExampleTrackInterpolationTam.class.getName() + "] ";
+
+ System.out.println(TRACE_PREFIX + "main() started...");
+
+ thisProgram = new ExampleTrackInterpolationTam(); // creates instance of self within static main() method
+
+ thisProgram.handleArgs (args); // process command-line invocation arguments
+
+ thisProgram.setUpNetworkInterface();
+
+ thisProgram.pduRecorder.setDescriptor (TRACE_PREFIX.replace("[","").replace("]","") + " pduRecorder");
+
+ thisProgram.pduRecorder.setVerbose(false);
+ thisProgram.setVerboseComments(false);
+ thisProgram.disNetworkInterface.setVerbose(false);
+
+ thisProgram.runSimulationLoops(); // ... your simulation execution code goes in there ...
+
+ thisProgram.tearDownNetworkInterface(); // make sure no processes are left lingering
+
+ System.out.println(TRACE_PREFIX + "complete."); // report successful completion
+
+ System.exit(0); // ensure all threads and sockets released
+ }
+
+}
diff --git a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/PduTrack.java b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/PduTrack.java
new file mode 100644
index 0000000000000000000000000000000000000000..504ea3db17ddc26610c304f9c2ee1cfeefa57cd1
--- /dev/null
+++ b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/PduTrack.java
@@ -0,0 +1,1043 @@
+/*
+Copyright (c) 1995-2022 held by the author(s). All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer
+ in the documentation and/or other materials provided with the
+ distribution.
+ * Neither the names of the Naval Postgraduate School (NPS)
+ Modeling Virtual Environments and Simulation (MOVES) Institute
+ https://www.nps.edu and https://www.nps.edu/web/moves
+ nor the names of its contributors may be used to endorse or
+ promote products derived from this software without specific
+ prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+*/
+// TODO move into opendis7 distribution tree in package edu.nps.moves.dis7.utilities.stream;
+
+package MV3500Cohort2022MayJune.homework2.Tam;
+
+import MV3500Cohort2022MayJune.homework2.Duran.*;
+import edu.nps.moves.dis7.entities.swe.platform.surface._001Poseidon;
+import edu.nps.moves.dis7.enumerations.DisPduType;
+import edu.nps.moves.dis7.enumerations.ForceID;
+import edu.nps.moves.dis7.pdus.EntityID;
+import edu.nps.moves.dis7.pdus.EntityStatePdu;
+import edu.nps.moves.dis7.pdus.EulerAngles;
+import edu.nps.moves.dis7.pdus.Pdu;
+import edu.nps.moves.dis7.pdus.Vector3Double;
+import edu.nps.moves.dis7.utilities.DisTime;
+import edu.nps.moves.dis7.utilities.PduFactory;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Create a track from DIS ESPDUs
+ * @author brutzman
+ */
+public class PduTrack
+{
+ private String descriptor = new String();
+ private ArrayList<Pdu> pduList = new ArrayList<>();
+ private EntityStatePdu initialEspdu;
+ private EntityStatePdu latestEspdu;
+ private Vector3Double initialLocation;
+ private Vector3Double latestLocation;
+
+ /** waypoint timelineList in seconds */
+ private ArrayList<Float> timelineList = new ArrayList<>();
+ private ArrayList<Vector3Double> waypointsList = new ArrayList<>();
+ private ArrayList<EulerAngles> eulerAnglesList = new ArrayList<>();
+
+ private String author = new String();
+ private String x3dModelIdentifier = new String();
+ private String x3dModelName = "PduTrackInterpolation.x3d";
+ private float defaultWaypointInterval = -1;
+ private float durationSeconds = -1;
+ private String x3dTimeSensorDEF = new String();
+ private String x3dPositionInterpolatorDEF = new String();
+ private String x3dOrientationInterpolatorDEF = new String();
+ private boolean addLineBreaksWithinKeyValues = false;
+ /** what kind of timestamp is being used */
+ public DisTime.TimestampStyle timestampStyle = DisTime.TimestampStyle.IEEE_ABSOLUTE;
+ /** direct access to pduFactory for creating new PDU instances */
+ protected PduFactory pduFactory = new PduFactory(timestampStyle);
+ private LocalDateTime recordingStart;
+ private LocalDateTime recordingStop;
+ private String todaysDateString = new String();
+
+ /** direct access to byteArrayOutputStream */
+ protected ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+ /** direct access to DataOutputStream */
+ protected DataOutputStream dataOutputStream = new DataOutputStream(byteArrayOutputStream);
+ private String TRACE_PREFIX = "[" + (PduTrack.class.getSimpleName()) + "] ";
+
+ /**
+ * Constructor for PduTrack
+ */
+ public PduTrack()
+ {
+ // initialization code here
+
+ // https://docs.oracle.com/javase/tutorial/datetime/TOC.html
+ // https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/package-summary.html
+ // https://stackoverflow.com/questions/5175728/how-to-get-the-current-date-time-in-java/5175900 (scroll down to java.time)
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("d MMMM yyyy");
+ todaysDateString = LocalDate.now().format(formatter);
+// System.out.println(TRACE_PREFIX + "today=" + todayString);
+ }
+
+ /**
+ * Set timestampStyle used by PduFactory
+ * @param newTimestampStyle new value to set
+ */
+ public PduTrack(DisTime.TimestampStyle newTimestampStyle)
+ {
+ timestampStyle = newTimestampStyle;
+ DisTime.setTimestampStyle(newTimestampStyle);
+ // automatic super invocation: return PduTrack();
+ }
+
+ /**
+ * Get simple descriptor (such as parent class name) for this SimulationManager, used in trace statements
+ * @return simple descriptor name
+ */
+ public String getDescriptor()
+ {
+ return descriptor;
+ }
+ /**
+ * Set new simple descriptor (such as parent class name) for this SimulationManager, used in trace statements
+ * @param newDescriptor simple descriptor name for this interface
+ * @return same object to permit progressive setters */
+ public PduTrack setDescriptor(String newDescriptor)
+ {
+ if (newDescriptor != null)
+ this.descriptor = newDescriptor.trim();
+ TRACE_PREFIX = "[" + (PduTrack.class.getSimpleName() + " " + descriptor) + "] ";
+ return this;
+ }
+ /**
+ * Get timestampStyle used by PduFactory
+ * @return current timestampStyle
+ */
+ public DisTime.TimestampStyle getTimestampStyle()
+ {
+ return timestampStyle;
+ }
+ /**
+ * Set timestampStyle used by PduFactory
+ * @param newTimestampStyle the timestampStyle to set
+ * @return same object to permit progressive setters
+ */
+ public PduTrack setTimestampStyle(DisTime.TimestampStyle newTimestampStyle)
+ {
+ this.timestampStyle = newTimestampStyle;
+ DisTime.setTimestampStyle(newTimestampStyle);
+ return this;
+ }
+
+ /**
+ * Determine initial location, reset to (0 0 0) if not found
+ * @return current initialLocation
+ */
+ public Vector3Double getInitialLocation() {
+ if (initialLocation == null)
+ {
+ System.out.println (TRACE_PREFIX + "getInitialLocation() not found, isTrackEmpty()=" + isTrackEmpty() + ", returning 0 0 0");
+ return new Vector3Double();
+ }
+ return initialLocation;
+ }
+ /**
+ * Determine current location, reset to (0 0 0) if not found
+ * @return current latestLocation
+ */
+ public Vector3Double getLatestLocation() {
+ if (latestLocation == null)
+ {
+ System.out.println (TRACE_PREFIX + "getLatestLocation() not found, isTrackEmpty()=" + isTrackEmpty() + ", returning 0 0 0");
+ return new Vector3Double();
+ }
+ return latestLocation;
+ }
+ /**
+ * Get individual Pdu from pduList, index must not exceed existing pduList size
+ * @param index for pdu of interest
+ * @return pdu of interest
+ */
+ public Pdu getPdu(int index) throws IndexOutOfBoundsException
+ {
+ if ((index >= pduList.size()) || (index < 0))
+ {
+ System.out.println (TRACE_PREFIX + "getPdu(" + index + ") out of bounds, pduList.size()=" + pduList.size());
+ // then throw exception
+ }
+ return pduList.get(index);
+ }
+ /**
+ * get current pduList
+ * @return current pduList
+ */
+ public ArrayList<Pdu> getPduList() {
+ return pduList;
+ }
+ /**
+ * get current waypointsList
+ * @return current waypointsList
+ */
+ public ArrayList<Vector3Double> getWaypointsList() {
+ return waypointsList;
+ }
+ /**
+ * current eulerAnglesList
+ * @return current eulerAnglesList
+ */
+ public ArrayList<EulerAngles> getEulerAnglesList() {
+ return eulerAnglesList;
+ }
+ /**
+ * Time in seconds corresponding to each PDU
+ * @return current timelineList
+ */
+ public ArrayList<Float> getTimelineList() {
+ return timelineList;
+ }
+ /**
+ * Add PDU, typically ESPDU
+ * @param newPdu new Pdu to add, typically ESPDU
+ * @return same object to permit progressive setters
+ */
+ public PduTrack addPdu(Pdu newPdu)
+ {
+ if (newPdu.getPduType() == DisPduType.ENTITY_STATE)
+ {
+//// EntityStatePdu deepCopyEspdu = new EntityStatePdu();
+// EntityStatePdu deepCopyEspdu = pduFactory.makeEntityStatePdu();
+// deepCopyEspdu.setTimestamp (((EntityStatePdu)newPdu).getTimestamp());
+// deepCopyEspdu.setMarking (((EntityStatePdu)newPdu).getMarking());
+// deepCopyEspdu.setEntityID (((EntityStatePdu)newPdu).getEntityID());
+// deepCopyEspdu.setForceId (((EntityStatePdu)newPdu).getForceId());
+// deepCopyEspdu.setEntityType (((EntityStatePdu)newPdu).getEntityType());
+// deepCopyEspdu.setEntityLocation (((EntityStatePdu)newPdu).getEntityLocation());
+// deepCopyEspdu.setEntityOrientation(((EntityStatePdu)newPdu).getEntityOrientation());
+
+ EntityStatePdu deepCopyEspdu = ((EntityStatePdu)newPdu).copy();
+ pduList.add(deepCopyEspdu);
+// alternative trials:
+// pduList.add(((EntityStatePdu)newPdu).copyDataOutputStream());
+// pduList.add(((EntityStatePdu)newPdu).copy());
+
+ if (initialLocation == null)
+ {
+ initialEspdu = deepCopyEspdu; // must save object since pduList might contain more than ESPDUs
+ initialLocation = deepCopyEspdu.getEntityLocation();
+ }
+ latestEspdu = deepCopyEspdu; // must save object since pduList might contain more than ESPDUs
+ latestLocation = deepCopyEspdu.getEntityLocation();
+ }
+ else pduList.add(newPdu); // TODO copy() - careful, must be a new object and not a reference
+ return this;
+ }
+ /**
+ * clear all PDUs
+ * @return same object to permit progressive setters
+ */
+ public PduTrack clearPduLists()
+ {
+ getPduList().clear();
+ waypointsList.clear();
+ eulerAnglesList.clear();
+ timelineList.clear();
+ initialEspdu = null;
+ latestEspdu = null;
+ initialLocation = null;
+ latestLocation = null;
+ return this;
+ }
+
+ private String normalizeNameToken(String candidateDEF)
+ {
+ return candidateDEF.replace(" ", "").replace("-", "")
+ .replace("(", "").replace(")", "")
+ .replace("[", "").replace("])", "");
+ }
+
+ /**
+ * Provide DEF value if not defined by program
+ * @return current x3dTimeSensorDEF
+ */
+ public String getX3dTimeSensorDEF() {
+ if (x3dTimeSensorDEF.isEmpty())
+ x3dTimeSensorDEF = normalizeNameToken(getDescriptor()) + "Clock";
+ return x3dTimeSensorDEF;
+ }
+
+ /**
+ * Set DEF value for X3D node
+ * @param x3dTimeSensorDEF the x3dTimeSensorDEF to set
+ */
+ public void setX3dTimeSensorDEF(String x3dTimeSensorDEF) {
+ this.x3dTimeSensorDEF = normalizeNameToken(x3dTimeSensorDEF);
+ }
+
+ /**
+ * Provide DEF value if not defined by program
+ * @return current x3dPositionInterpolatorDEF
+ */
+ public String getX3dPositionInterpolatorDEF() {
+ if (x3dPositionInterpolatorDEF.isEmpty())
+ x3dPositionInterpolatorDEF = normalizeNameToken(getDescriptor()) + "Positions";
+ return x3dPositionInterpolatorDEF;
+ }
+
+ /**
+ * Set DEF value for X3D node
+ * @param x3dPositionInterpolatorDEF the x3dPositionInterpolatorDEF to set
+ */
+ public void setX3dPositionInterpolatorDEF(String x3dPositionInterpolatorDEF) {
+ this.x3dPositionInterpolatorDEF = normalizeNameToken(x3dPositionInterpolatorDEF);
+ }
+
+ /**
+ * Provide DEF value if not defined by program
+ * @return current x3dOrientationInterpolatorDEF
+ */
+ public String getX3dOrientationInterpolatorDEF() {
+ if (x3dOrientationInterpolatorDEF.isEmpty())
+ x3dOrientationInterpolatorDEF = normalizeNameToken(getDescriptor()) + "Orientations";
+ return x3dOrientationInterpolatorDEF;
+ }
+
+ /**
+ * Set DEF value for X3D node
+ * @param x3dOrientationInterpolatorDEF the x3dOrientationInterpolatorDEF to set
+ */
+ public void setX3dOrientationInterpolatorDEF(String x3dOrientationInterpolatorDEF) {
+ this.x3dOrientationInterpolatorDEF = normalizeNameToken(x3dOrientationInterpolatorDEF);
+ }
+
+ /**
+ * Sort all PDUs by timestamp
+ * @see <a href="https://stackoverflow.com/questions/16252269/how-to-sort-an-arraylist">StackOverflow: How to sort an ArrayList?</a>
+ * @see <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/doc-files/coll-overview.html">Collections Framework Overview</a>
+ * @return same object to permit progressive setters
+ */
+ public PduTrack sortPdus()
+ {
+ Collections.sort(pduList, new Comparator<Pdu>() {
+ @Override
+ public int compare(Pdu lhs, Pdu rhs)
+ {
+ // -1 less than, 1 greater than, 0 equal
+ if (lhs.occursBefore(rhs))
+ return -1;
+ else if (lhs.occursSameTime(rhs))
+ return 0;
+ else return 1;
+ }
+ });
+ return this;
+ }
+ /**
+ * Reverse order of PDU list
+ * @see <a href="https://stackoverflow.com/questions/10766492/what-is-the-simplest-way-to-reverse-an-arraylist">StackOverflow: What is the Simplest Way to Reverse an ArrayList?</a>
+ * @see <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/doc-files/coll-overview.html">Collections Framework Overview</a>
+ * @return same object to permit progressive setters
+ */
+ public PduTrack reversePdus()
+ {
+ Collections.reverse(pduList);
+ return this;
+ }
+
+ /**
+ * Determine whether any ESPDUs have been received by this track
+ * @return whether track is empty
+ */
+ public boolean isTrackEmpty()
+ {
+ return (getEspduCount() == 0);
+ }
+ /**
+ * Count ESPDUs in pduList
+ * @return number of ESPDUs in pduList
+ */
+ public int getEspduCount()
+ {
+ int counter = 0;
+ for (Pdu nextPdu : getPduList())
+ {
+ if (nextPdu.getPduType() == DisPduType.ENTITY_STATE)
+ counter += 1;
+ }
+ return counter;
+ }
+ /**
+ * Compute track duration in timestamp ticks
+ * @return duration in timestamp ticks between initial and final ESPDU timestamps in waypointList
+ */
+ public int getTotalDurationTicks()
+ {
+ int initialTime = -1;
+ int finalTime = -1;
+ int durationTicks = -1; // used if pduList is empty
+
+ // must skip through pduList since non-ESPDU PDUs may be present
+ for (Pdu nextPdu : getPduList())
+ {
+ if (nextPdu.getPduType() == DisPduType.ENTITY_STATE)
+ {
+ if (initialTime == -1)
+ initialTime = nextPdu.getTimestamp();
+ finalTime = nextPdu.getTimestamp();
+ }
+ }
+ if ((initialTime >= 0) && (finalTime >= 0))
+ durationTicks = (finalTime - initialTime);
+ if (getPduList().isEmpty())
+ {
+ System.out.println(TRACE_PREFIX + "getTrackDuration() computed illegal duration=" + durationTicks + " due to empty pdu list");
+ }
+ else if ((durationTicks <= 0) && (defaultWaypointInterval <= 0))
+ {
+ System.out.println(TRACE_PREFIX + "getTrackDuration() computed illegal duration=" + durationTicks + " due to illegal pdu list");
+ }
+ return durationTicks;
+ }
+ /**
+ * Compute track duration in seconds
+ * @return duration in seconds between initial and final ESPDU timestamps in waypointList
+ */
+ public float getTotalDurationSeconds()
+ {
+ if (defaultWaypointInterval > 0)
+ {
+ return getEspduCount() * defaultWaypointInterval;
+ }
+ else if (getTotalDurationTicks() < 0)
+ durationSeconds = getTotalDurationTicks() * 1.0f; // TODO convert
+ return durationSeconds;
+ }
+ /**
+ * Create waypoints and angles using all ESPDU points, with no linear regression or array reduction.
+ * @return same object to permit progressive setters
+ */
+ public PduTrack createRawWaypoints()
+ {
+ // https://stackoverflow.com/questions/6536094/java-arraylist-copy
+
+ timelineList.clear();
+ waypointsList.clear();
+ eulerAnglesList.clear();
+ float clock = 0.0f;
+ for (int i = 0; i < pduList.size(); i++)
+ {
+ Pdu nextPdu = pduList.get(i);
+ if (nextPdu.getPduType() == DisPduType.ENTITY_STATE)
+ {
+ EntityStatePdu espdu = (EntityStatePdu)nextPdu;
+ if (defaultWaypointInterval > 0)
+ {
+ timelineList.add(clock);
+ clock += defaultWaypointInterval;
+ }
+ else
+ {
+ timelineList.add(espdu.getTimestamp() * 1.0f); // TODO convert
+ }
+ waypointsList.add(espdu.getEntityLocation());
+ eulerAnglesList.add(espdu.getEntityOrientation());
+ }
+ }
+ return this;
+ }
+ /**
+ * Utility method to create TimeSensor
+ * @return TimeSensor string in XML format
+ */
+ public String createX3dTimeSensorString()
+ {
+ StringBuilder sb = new StringBuilder();
+ sb.append(" <TimeSensor");
+ sb.append(" DEF='").append(getX3dTimeSensorDEF()).append("'");
+ sb.append(" cycleInterval='").append(String.valueOf(getTotalDurationSeconds())).append("'");
+ sb.append(" loop='true'");
+ sb.append("/>").append("\n");
+
+ return sb.toString();
+ }
+ /**
+ * Create PositionInterpolator from Pdu list
+ * @return X3D PositionInterpolator as string
+ */
+ public String createX3dPositionInterpolatorString()
+ {
+ StringBuilder sb = new StringBuilder();
+ sb.append(" <PositionInterpolator");
+ sb.append(" DEF='").append(getX3dPositionInterpolatorDEF()).append("'");
+ sb.append(" key='");
+ for (int i = 0; i < timelineList.size(); i++)
+ {
+ float nextDuration = timelineList.get(i) * 1.0f; // TODO convert
+ sb.append(String.valueOf(nextDuration));
+ if (i < timelineList.size() - 1)
+ sb.append(" ");
+ }
+ sb.append("'");
+ sb.append(" keyValue='");
+ for (int i = 0; i < waypointsList.size(); i++)
+ {
+ if (hasAddLineBreaksWithinKeyValues())
+ sb.append("\n");
+ Vector3Double nextPosition = waypointsList.get(i);
+ sb.append(String.valueOf(nextPosition.getX())).append(" ")
+ .append(String.valueOf(nextPosition.getY())).append(" ")
+ .append(String.valueOf(nextPosition.getZ()));
+ if (i < waypointsList.size() - 1)
+ sb.append(",");
+ }
+ sb.append("'");
+ sb.append("/>").append("\n");
+
+ return sb.toString();
+ }
+ /**
+ * Create OrientationInterpolator from Pdu list
+ * TODO preliminary support only includes horizontal rotation.
+ * @return X3D OrientationInterpolator as string
+ */
+ public String createX3dOrientationInterpolatorString()
+ {
+ StringBuilder sb = new StringBuilder();
+ sb.append(" <OrientationInterpolator");
+ sb.append(" DEF='").append(getX3dOrientationInterpolatorDEF()).append("'");
+ sb.append(" key='");
+ for (int i = 0; i < timelineList.size(); i++)
+ {
+ float nextDuration = timelineList.get(i) * 1.0f; // TODO convert
+ sb.append(String.valueOf(nextDuration));
+ if (i < timelineList.size() - 1)
+ sb.append(" ");
+ }
+ sb.append("'");
+ sb.append(" keyValue='");
+ for (int i = 0; i < eulerAnglesList.size(); i++)
+ {
+ if (hasAddLineBreaksWithinKeyValues())
+ sb.append("\n");
+ EulerAngles nextEulerAngle = new EulerAngles();
+ float axisX = 0.0f;
+ float axisY = 1.0f;
+ float axisZ = 0.0f;
+ float angle = 0.0f; // radians
+
+ nextEulerAngle = eulerAnglesList.get(i);
+ angle = nextEulerAngle.getTheta();
+
+ sb.append(String.valueOf(axisX)).append(" ")
+ .append(String.valueOf(axisY)).append(" ")
+ .append(String.valueOf(axisZ)).append(" ")
+ .append(String.valueOf(angle));
+ if (i < eulerAnglesList.size() - 1)
+ sb.append(",");
+ }
+ sb.append("'");
+ sb.append("/>").append("\n");
+
+ return sb.toString();
+ }
+
+ /**
+ * Get name of author used as creator of X3D model
+ * @return current author
+ */
+ public String getAuthor() {
+ return author;
+ }
+
+ /**
+ * Set name of author used as creator of X3D model
+ * @param author the author to set
+ */
+ public void setAuthor(String author) {
+ if (author == null)
+ author = new String();
+ author = author.trim();
+ this.author = author;
+ }
+
+ /**
+ * Get name of online url identifier for X3D model
+ * @return current x3dModelIdentifier
+ */
+ public String getX3dModelIdentifier() {
+ return x3dModelIdentifier;
+ }
+
+ /**
+ * Set name of online url identifier for X3D model
+ * @param x3dModelIdentifier the x3dModelIdentifier to set
+ */
+ public void setX3dModelIdentifier(String x3dModelIdentifier) {
+ if (x3dModelIdentifier == null)
+ x3dModelIdentifier = new String();
+ x3dModelIdentifier = x3dModelIdentifier.trim();
+ if (!x3dModelIdentifier.startsWith("http://") && !x3dModelIdentifier.startsWith("https://"))
+ System.out.println(TRACE_PREFIX + "warning, identifier typically begins with https:// or http://");
+ else this.x3dModelIdentifier = x3dModelIdentifier;
+ }
+
+ /**
+ * File name for X3D model production
+ * @return current x3dModelName
+ */
+ public String getX3dModelName() {
+ return x3dModelName;
+ }
+ /**
+ * File name for X3D model production
+ * @param x3dModelName the x3dModelName to set
+ */
+ public void setX3dModelName(String x3dModelName) {
+ if (x3dModelName == null)
+ x3dModelName = new String();
+ x3dModelName = x3dModelName.trim();
+ this.x3dModelName = x3dModelName;
+ }
+
+ /**
+ * Verbose (but more readable) output of numeric arrays in X3D model
+ * @return current addLineBreaksWithinKeyValues
+ */
+ public boolean hasAddLineBreaksWithinKeyValues() {
+ return addLineBreaksWithinKeyValues;
+ }
+
+ /**
+ * Verbose (but more readable) output of numeric arrays in X3D model
+ * @param addLineBreaksWithinKeyValues the addLineBreaksWithinKeyValues to set
+ */
+ public void setAddLineBreaksWithinKeyValues(boolean addLineBreaksWithinKeyValues) {
+ this.addLineBreaksWithinKeyValues = addLineBreaksWithinKeyValues;
+ }
+ /**
+ * Create full X3D interpolator model from Pdu list, assembling sections of scene graph
+ * @return X3D model as string
+ */
+ public String createX3dModel()
+ {
+ StringBuilder sb = new StringBuilder();
+ sb.append(createX3dModelHeaderString());
+ sb.append(createX3dTimeSensorString());
+ sb.append(createX3dPositionInterpolatorString());
+ sb.append(createX3dOrientationInterpolatorString());
+ sb.append(createX3dRoutesGeometryFooterString());
+ return sb.toString();
+ }
+ /**
+ * Create PositionInterpolator from Pdu list
+ * @return X3D PositionInterpolator as string
+ */
+ public String createX3dModelHeaderString()
+ {
+ StringBuilder sb = new StringBuilder();
+
+ sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>").append("\n");
+ sb.append("<!DOCTYPE X3D PUBLIC \"ISO//Web3D//DTD X3D 4.0//EN\" \"https://www.web3d.org/specifications/x3d-4.0.dtd\">").append("\n");
+ sb.append("<X3D profile='Interchange' version='4.0' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-4.0.xsd'>").append("\n");
+ sb.append(" <head>").append("\n");
+ if (!getX3dModelName().isEmpty())
+ sb.append(" <meta content='").append(getX3dModelName()).append("' name='title'/>").append("\n");
+ sb.append(" <meta content='Conversion of ESPDU track into X3D animation interpolators and LineSet.' name='description'/>").append("\n");
+
+ sb.append(" <meta content='1 January 2022' name='created'/>").append("\n");
+ sb.append(" <meta content='").append(todaysDateString).append("' name='modified'/>").append("\n");
+ if (!getAuthor().isEmpty())
+ sb.append(" <meta content='").append(getAuthor()).append("' name='creator'/>").append("\n");
+ if (!getX3dModelIdentifier().isEmpty())
+ sb.append(" <meta content='").append(getX3dModelIdentifier()).append("' name='identifier'/>").append("\n");
+
+ sb.append(" <meta content='PduTrack utility, opendis7-java Library https://github.com/open-dis/opendis7-java' name='generator'/>").append("\n");
+ sb.append(" <meta content='NPS MOVES MV3500 Networked Graphics https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500' name='reference'/>").append("\n");
+ sb.append(" <meta content='X3D Resources https://www.web3d.org/x3d/content/examples/X3dResources.html' name='reference'/>").append("\n");
+ sb.append(" <meta content='X3D Scene Authoring Hints https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html' name='reference'/>").append("\n");
+ sb.append(" <meta content='X3D Tooltips https://www.web3d.org/x3d/tooltips/X3dTooltips.html' name='reference'/>").append("\n");
+ sb.append(" <meta content='X3D Validator https://savage.nps.edu/X3dValidator' name='reference'/>").append("\n");
+ sb.append(" <meta content='Open source https://raw.githubusercontent.com/open-dis/opendis7-java/master/license.html' name='license'/>").append("\n");
+ sb.append(" </head>").append("\n");
+ sb.append(" <Scene>").append("\n");
+ sb.append(" <WorldInfo title='PduTrackInterpolation.x3d'/>").append("\n");
+
+ return sb.toString();
+ }
+ /**
+ * Create X3D ROUTEs and footer to connect TimeSensor to interpolators
+ * @return X3D PositionInterpolator as string
+ */
+ public String createX3dRoutesGeometryFooterString()
+ {
+ StringBuilder sb = new StringBuilder();
+
+ sb.append(" <ROUTE fromField='fraction_changed' fromNode='")
+ .append(getX3dTimeSensorDEF())
+ .append("' toField='set_fraction' toNode='")
+ .append(getX3dPositionInterpolatorDEF())
+ .append("'/>").append("\n");
+ sb.append(" <ROUTE fromField='fraction_changed' fromNode='")
+ .append(getX3dTimeSensorDEF())
+ .append("' toField='set_fraction' toNode='")
+ .append(getX3dOrientationInterpolatorDEF())
+ .append("'/>").append("\n");
+
+ sb.append(" <Shape>").append("\n");
+ sb.append(" <Appearance DEF='TrackAppearance'>").append("\n");
+ sb.append(" <Material emissiveColor='0.2 0.8 0.8'/>").append("\n");
+ sb.append(" </Appearance>").append("\n");
+ sb.append(" <LineSet vertexCount='").append(waypointsList.size()).append("'>").append("\n");
+ sb.append(" <Coordinate point='");
+ for (int i = 0; i < waypointsList.size(); i++)
+ {
+ if (hasAddLineBreaksWithinKeyValues())
+ sb.append("\n");
+ Vector3Double nextPosition = waypointsList.get(i);
+ sb.append(String.valueOf(nextPosition.getX())).append(" ")
+ .append(String.valueOf(nextPosition.getY())).append(" ")
+ .append(String.valueOf(nextPosition.getZ()));
+ if (i < waypointsList.size() - 1)
+ sb.append(",");
+ }
+ sb.append("'/>").append("\n");
+ sb.append(" </LineSet>").append("\n");
+ sb.append(" </Shape>").append("\n");
+ sb.append(" <Transform DEF='AnimationTransform'>").append("\n");
+ sb.append(" <Transform rotation='0 0 1 1.57'>").append("\n");
+ sb.append(" <Shape>").append("\n");
+ sb.append(" <Appearance USE='TrackAppearance'/>").append("\n");
+ sb.append(" <Cone bottomRadius='0.5'/>").append("\n");
+ sb.append(" </Shape>").append("\n");
+ sb.append(" </Transform>").append("\n");
+ sb.append(" </Transform>").append("\n");
+ sb.append(" <ROUTE fromField='value_changed' fromNode='")
+ .append(getX3dPositionInterpolatorDEF())
+ .append("' toField='translation' toNode='AnimationTransform'/>").append("\n");
+ sb.append(" <ROUTE fromField='value_changed' fromNode='")
+ .append(getX3dOrientationInterpolatorDEF())
+ .append("' toField='rotation' toNode='AnimationTransform'/>").append("\n");
+
+ sb.append(" </Scene>").append("\n");
+ sb.append("</X3D>").append("\n");
+
+ return sb.toString();
+ }
+
+ /**
+ * get defaultWaypointInterval
+ * @return current wayPointInterval
+ */
+ public float getDefaultWaypointInterval() {
+ return defaultWaypointInterval;
+ }
+
+ /**
+ * Set uniform waypoint interval (currently for testing)
+ * @param newWaypointInterval the wayPointInterval to set, in seconds, must be greater than zero
+ * @return same object to permit progressive setters */
+ public PduTrack setDefaultWaypointInterval(float newWaypointInterval) {
+ if (newWaypointInterval > 0.0)
+ this.defaultWaypointInterval = newWaypointInterval;
+ else
+ {
+ System.out.println(TRACE_PREFIX + "error in setWaypointInterval(newWaypointInterval=" + newWaypointInterval + ") must be greater than zero");
+ return this;
+ }
+
+ float clock = 0.0f;
+ if (!timelineList.isEmpty())
+ {
+ ArrayList<Float> newTimelineList = new ArrayList<>();
+ for (int i = 0; i < getEspduCount(); i++)
+ {
+ newTimelineList.add(clock);
+ clock += defaultWaypointInterval;
+ }
+ timelineList = newTimelineList; // TO Array copy?
+ }
+ return this;
+ }
+ /** whether or not to insert commas between hex values */
+ private boolean insertCommas = true;
+ /**
+ * determine whether comma insertion is turned on
+ * @return whether or not to insert commas between hex values
+ */
+ public boolean hasInsertCommas() {
+ return insertCommas;
+ }
+ /**
+ * set whether comma insertion is turned on
+ * @param insertCommas the insertCommas value to set
+ */
+ public void setInsertCommas(boolean insertCommas) {
+ this.insertCommas = insertCommas;
+ }
+ /**
+ * Convert byte array to hex string
+ * @param bytes input data
+ * @param insertCommas whether to insert commas between hex values
+ * @return hex string
+ */
+ public String bytesToHex(byte[] bytes, boolean insertCommas)
+ {
+ this.setInsertCommas(insertCommas);
+ return bytesToHex(bytes);
+ }
+ /**
+ * Convert byte array to hex string
+ * @param bytes input data
+ * @see <a href="https://stackoverflow.com/questions/9655181/how-to-convert-a-byte-array-to-a-hex-string-in-java">https://stackoverflow.com/questions/9655181/how-to-convert-a-byte-array-to-a-hex-string-in-java</a>
+ * @return hex string
+ */
+ public static String bytesToHex(byte[] bytes)
+ {
+ boolean insertCommas = true;
+ final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
+ char[] hexChars = new char[bytes.length * 2];
+ StringBuilder sb = new StringBuilder();
+ for (int j = 0; j < bytes.length; j++) {
+ int v = bytes[j] & 0xFF;
+ hexChars[j * 2] = HEX_ARRAY[v >>> 4];
+ hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
+// if (!(hexChars[j * 2] == '0')) // omit leading zero
+ sb.append(hexChars[j * 2]);
+ sb.append(hexChars[j * 2 + 1]);
+ if (insertCommas && (j < bytes.length - 1))
+ sb.append(", ");
+ }
+ return sb.toString();
+ }
+ /**
+ * Report current PDU information to console
+ * @param anEspdu EntityStatePdu of interest
+ * @return same object to permit progressive setters
+ */
+ public PduTrack reportPdu(EntityStatePdu anEspdu)
+ {
+ System.out.println (
+ String.format("%s", anEspdu.getMarkingString().trim()) + ", " +
+ DisTime.convertToString(anEspdu.getTimestamp()) + " (" +
+ String.format("%08d", anEspdu.getTimestamp()) + "), " +
+ "EntityID=(" +
+ anEspdu.getEntityID().getSiteID() + ", " +
+ anEspdu.getEntityID().getApplicationID() + ", " +
+ anEspdu.getEntityID().getEntityID() + "), " +
+ "location=(" +
+ String.format("%4.1f", anEspdu.getEntityLocation().getX()) + ", " +
+ String.format("%4.1f", anEspdu.getEntityLocation().getY()) + ", " +
+ String.format("%4.1f", anEspdu.getEntityLocation().getZ()) + ")"
+// + " " + espdu_1.getEntityLinearVelocity().toString()
+ );
+ return this;
+ }
+
+ /** Flush all buffers to reduce console scrambling while threaded
+ */
+ protected void flushBuffers()
+ {
+ try
+ {
+ dataOutputStream.flush();
+ byteArrayOutputStream.flush();
+ byteArrayOutputStream.reset();
+ System.err.flush();
+ System.out.flush();
+ }
+ catch (IOException ioe)
+ {
+ System.out.println(TRACE_PREFIX + "flushBuffers() IOException: " + ioe.getMessage());
+ }
+ }
+
+ /** Self test to check basic operation, invoked by main()
+ */
+ @SuppressWarnings("SleepWhileInLoop")
+ public void selfTest()
+ {
+ final int TOTAL_PDUS = 5;
+ System.out.println(TRACE_PREFIX + "selfTest() start...");
+
+ PduTrack pduTrack = new PduTrack();
+ pduTrack.setDescriptor("PduTrack Self Test");
+ pduTrack.setAuthor("Don Brutzman");
+ pduTrack.setX3dModelIdentifier("https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/blob/master/examples/src/OpenDis7Examples/PduTrackInterpolation.x3d");
+ pduTrack.setDefaultWaypointInterval(1.0f); // experimentation with timestamp values
+
+ DisTime.setEpochLvcNow();
+ recordingStart = LocalDateTime.now();
+ Instant epoch = DisTime.getEpochLvc();
+ System.out.println(TRACE_PREFIX + "DisTime.hasEpochLvc()=" + DisTime.hasEpochLvc() +
+ ", DisTime.getEpochLvc()=" + epoch +
+ ", Instant.now()=" + Instant.now());
+
+ EntityID entityID_123 = new EntityID();
+ entityID_123.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID;
+ // TODO someday, use enumerations; is there a unique site triplet for MOVES Institute?
+
+ for (int i = 0; i < TOTAL_PDUS; i++) // create espdus and add each to track pduList
+ {
+// EntityStatePdu espdu = new EntityStatePdu();
+ EntityStatePdu espdu = pduFactory.makeEntityStatePdu(); // TODO check Pdu.Type
+ espdu.setTimestamp(DisTime.getCurrentDisTimestamp()); // chooses appropriate version
+ espdu.setMarking("ESPDU " + i);
+ espdu.setEntityLocation(i, i, i);
+ espdu.setEntityOrientation(0, (float)(45.0 * Math.PI / 180.0), 0);
+ espdu.setEntityID(entityID_123);
+ espdu.setForceId(ForceID.FRIENDLY);
+ espdu.setEntityType(new _001Poseidon()); // note import statement above
+ pduTrack.addPdu(espdu); // create copy
+ reportPdu(espdu);
+ try
+ {
+ Thread.sleep(100l);
+ }
+ catch (InterruptedException ie)
+ {
+ System.out.println(TRACE_PREFIX + "exceptional sleep dulay when generating ESPDUs: " + ie.getMessage());
+ }
+ }
+// System.out.println(TRACE_PREFIX + "reversePdus() then sortPdus() to test track operations");
+// pduTrack.reversePdus(); // test
+// pduTrack.sortPdus(); // restore
+ pduTrack.createRawWaypoints(); // copies all ESPDU points to waypoints
+
+ System.out.println(TRACE_PREFIX + "getEspduCount()=" + pduTrack.getEspduCount());
+ System.out.println(TRACE_PREFIX + "getDefaultWaypointInterval()=" + pduTrack.getDefaultWaypointInterval());
+ System.out.println(TRACE_PREFIX + "getTotalDurationSeconds()=" + pduTrack.getTotalDurationSeconds());
+
+ System.out.println("=================================");
+ System.out.println("PduTrack pduList marshalling checks");
+ System.out.println("= = = = = = = = = = = = = = = = =");
+ try
+ {
+// int BYTE_BUFFER_SIZE = 400; // TODO what is expected max buffer size?
+ for (int i = 0; i < TOTAL_PDUS; i++)
+ {
+ Pdu pdu = pduTrack.getPduList().get(i);
+ if (!(pdu instanceof EntityStatePdu))
+ continue; // skip remainder of this loop
+ EntityStatePdu espdu = (EntityStatePdu) pdu;
+ System.out.println("espdu from pduTrack pduList");
+ reportPdu(espdu);
+ byte[] byteArray = espdu.marshal();
+ System.out.println("espdu.marshal() byteArray: " + bytesToHex(byteArray));
+ flushBuffers();
+
+ ByteBuffer byteBuffer = ByteBuffer.allocate(byteArray.length);
+ espdu.marshal(byteBuffer);
+ System.out.println("espdu.marshal(byteBuffer): " + bytesToHex(byteBuffer.array()));
+ flushBuffers();
+
+ espdu.marshal(dataOutputStream);
+ byte[] byteArrayDOS = byteArrayOutputStream.toByteArray();
+ System.out.println("espdu.marshal(dataOutputStream): " + bytesToHex(byteArrayDOS));
+ flushBuffers();
+
+ System.out.println(); // - - - - - - - - - - - - - - - - -
+
+ System.out.println("espdu.copyByteBuffer()");
+ reportPdu(espdu.copyByteBuffer());
+ byte[] byteArrayCopy = espdu.copyByteBuffer().marshal();
+ System.out.println("espdu.copyByteBuffer().marshal() byteArray: " + bytesToHex(byteArrayCopy));
+ flushBuffers();
+
+ ByteBuffer byteBufferCopy = ByteBuffer.allocate(byteArray.length); // TODO is there a better way to reset?
+ espdu.copyByteBuffer().marshal(byteBufferCopy);
+ System.out.println("espdu.copyByteBuffer().marshal(byteBufferCopy): " + bytesToHex(byteBufferCopy.array()));
+ flushBuffers();
+
+ espdu.copyByteBuffer().marshal(dataOutputStream);
+ byte[] byteArrayDosCopy = byteArrayOutputStream.toByteArray();
+ System.out.println("espdu.copyByteBuffer().marshal(dataOutputStream): " + bytesToHex(byteArrayDosCopy));
+ flushBuffers();
+
+ System.out.println(); // - - - - - - - - - - - - - - - - -
+
+ System.out.println("espdu.copyDataOutputStream()");
+ reportPdu(espdu.copyDataOutputStream());
+ byte[] byteArrayCopyDOS = espdu.copyDataOutputStream().marshal();
+ System.out.println("espdu.copyDataOutputStream().marshal() byteArray: " + bytesToHex(byteArrayCopyDOS));
+ flushBuffers();
+
+ ByteBuffer byteBufferCopyDOS = ByteBuffer.allocate(byteArray.length); // TODO is there a better way to reset?
+ espdu.copyDataOutputStream().marshal(byteBufferCopyDOS);
+ System.out.println("espdu.copyDataOutputStream().marshal(byteBufferCopy): " + bytesToHex(byteBufferCopyDOS.array()));
+ flushBuffers();
+
+ espdu.copyDataOutputStream().marshal(dataOutputStream);
+ byte[] byteArrayDosCopy2 = byteArrayOutputStream.toByteArray();
+ System.out.println("espdu.copyDataOutputStream().marshal(dataOutputStream): " + bytesToHex(byteArrayDosCopy2));
+ flushBuffers();
+ System.out.println();
+
+ System.out.println("= = = = = = = = = = = = = = = = =");
+ }
+ }
+ catch(Exception e)
+ {
+ System.out.println(TRACE_PREFIX + "Marshalling test exception: " + e.getMessage());
+ }
+ System.out.println("=================================");
+ pduTrack.setAddLineBreaksWithinKeyValues(true);
+ System.out.println(pduTrack.createX3dModel()); //
+ System.out.println("=================================");
+
+ recordingStop = LocalDateTime.now();
+ System.out.println(TRACE_PREFIX + "selfTest() complete.");
+ }
+
+ /**
+ * Main method for testing.
+ * @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a>
+ * @param args [address, port, descriptor] command-line arguments are an array of optional String parameters that are passed from execution environment during invocation
+ */
+ public static void main(String[] args)
+ {
+ System.out.println("*** PduTrack.main() self test started...");
+
+ PduTrack pduTrack = new PduTrack();
+
+ pduTrack.setDescriptor("main() self test");
+
+ pduTrack.selfTest();
+
+ System.out.println("*** PduTrack.main() self test complete.");
+ }
+
+}
diff --git a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/TamTcpExampleClient.java b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/TamTcpExampleClient.java
deleted file mode 100644
index 05157977aa8db7a52194779fff949a180b893e4b..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/TamTcpExampleClient.java
+++ /dev/null
@@ -1,89 +0,0 @@
-package MV3500Cohort2022MayJune.homework2.Tam;
-import MV3500Cohort2022MayJune.homework2.Duran.*;
-import MV3500Cohort2021JulySeptember.homework2.Domonique.*;
-import java.io.*;
-import java.net.*;
-
-/**
- *
- * @author Johanna Tam
- */
-public class TamTcpExampleClient {
-
- /** IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
- * @see <a href="https://en.wikipedia.org/wiki/localhost">https://en.wikipedia.org/wiki/localhost</a>
- * @see <a href="https://en.wikipedia.org/wiki/IPv6_address">https://en.wikipedia.org/wiki/IPv6_address</a>
- */
- public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
-
- /**
- * Program invocation, execution starts here
- * @param args command-line arguments
- * @throws java.lang.InterruptedException user can cancel execution
- */
- public static void main(String[] args) throws InterruptedException {
-
- // Local variables/fields
- Socket socket = null;
- InputStream is;
- Reader isr;
- BufferedReader br;
- String serverMessage;
- int clientLoopCount = 0;
-
- try {
- while (true)
- {
- clientLoopCount++; // increment at beginning of loop for reliability
- System.out.println(TamTcpExampleClient.class.getName() + " creating socket...");
-
- // We request an IP to connect to ("localhost") and
- // port number at that IP (2317). This establishes
- // a connection to that IP in the form of a Socket
- // object; the server uses a ServerSocket to wait for
- // connections.
- socket = new Socket(LOCALHOST, 2317); // locohost?
-
- // Now hook everything up (i.e. set up the streams), Java style:
- is = socket.getInputStream();
- isr = new InputStreamReader(is);
- br = new BufferedReader(isr);
-
- // Read a single line written by the server. We'd
- // do things a bit differently if there were many lines to be read
- // from the server instead of one only.
- serverMessage = br.readLine();
- System.out.println("==================================================");
-
-// System.out.print ("Client loop " + clientLoopCount + ": ");
- System.out.println("I am hungry");
- System.out.println("The message the server sent was: '" + serverMessage + "'");
- // socket gets closed, either automatically/silently by this code (or possibly by the server)
-
- Thread.sleep(500l); // slow things down, for example 500l (long) = 500 msec (1/2 second)
-
- } // end while(true) // infinite loops are dangerous, be sure to kill this process!
- }
- catch (IOException e)
- {
- System.err.println("Problem with " + TamTcpExampleClient.class.getName() + " networking:"); // describe what is happening
- System.err.println("Error: " + e);
-
- // Provide more helpful information to user if exception occurs due to running twice at one time
- if (e instanceof java.net.BindException) {
- System.err.println("*** Be sure to stop any other running instances of programs using this port!");
- }
- }
- finally // occurs after any other activity when shutting down
- {
- try {
- if (socket != null)
- socket.close();
- } catch (IOException e) {}
-
- // program exit: tell somebody about that happening. Likely cause: server drops connection.
- System.out.println();
- System.out.println(TamTcpExampleClient.class.getName() + " exit");
- }
- }
-}
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/TamTcpExampleServer.java b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/TamTcpExampleServer.java
deleted file mode 100644
index 18154a40ec224319c2be33d7d4f5c8425f0e5158..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/TamTcpExampleServer.java
+++ /dev/null
@@ -1,90 +0,0 @@
-package MV3500Cohort2022MayJune.homework2.Tam;
-
-import MV3500Cohort2022MayJune.homework2.Duran.*;
-import MV3500Cohort2021JulySeptember.homework2.Domonique.*;
-import java.io.*;
-import java.net.*;
-
-/**
- * homework assignment
- * @author Johanna Tam
- */
-public class TamTcpExampleServer {
-
- /**
- * Program invocation, execution starts here
- * If already compiled, can run using console in directory ../../build/classes/ by invoking \
- * java -classpath . TcpExamples.TcpExample3Server
- * @param args command-line arguments
- */
- public static void main(String[] args) {
- try {
-
- // ServerSocket waits for a connection from a client.
- // Notice that it is outside the loop; ServerSocket
- // needs to be made only once.
- System.out.println(TamTcpExampleServer.class.getName() + " has started..."); // it helps debugging to put this on console first
-
- ServerSocket serverSocket = new ServerSocket(2317);
- OutputStream os;
- PrintStream ps;
- InetAddress localAddress, remoteAddress;
- int localPort, remotePort;
- int serverLoopCount = 0;
-
- // Server is up and waiting (i.e. "blocked" or paused)
- // Loop, infinitely, waiting for client connections.
- // Stop the program somewhere else.
- while (true) {
-
- // block until connected to a client
- try (Socket clientConnectionSocket = serverSocket.accept())
- {
- serverLoopCount++; // increment at beginning of loop for reliability
-
- // Now hook everything up (i.e. set up the streams), Java style:
- os = clientConnectionSocket.getOutputStream();
- ps = new PrintStream(os);
- ps.println("okay " + serverLoopCount + " let's go to Starbucks"); // this gets sent back to client!
-
- // Print some information locally about the Socket connection.
- // This includes the port and IP numbers on both sides (the socket pair).
- localAddress = clientConnectionSocket.getLocalAddress();
- remoteAddress = clientConnectionSocket.getInetAddress();
- localPort = clientConnectionSocket.getLocalPort();
- remotePort = clientConnectionSocket.getPort();
-
- System.out.print ("Server loop " + serverLoopCount + ": ");
-
- // My socket pair connection looks like this, to localhost:
- // Socket pair: (( /0:0:0:0:0:0:0:1, 2317 ), ( /0:0:0:0:0:0:0:1, 54876 ))
- // Socket pair: (( /0:0:0:0:0:0:0:1, 2317 ), ( /0:0:0:0:0:0:0:1, 54881 ))
-
- // Why is the first IP/port the same, while the second set has different ports?
- System.out.println(TamTcpExampleServer.class.getName() + " socket pair showing host name, address, port:");
- System.out.println(" (( " +
- localAddress.getHostName() + "=" + localAddress.getHostAddress() + ", " + localPort + " ), ( " +
- remoteAddress.getHostName() + "=" + remoteAddress.getHostAddress() + ", " + remotePort + " ))");
-
- if ( localAddress.getHostName().equals( localAddress.getHostAddress()) ||
- remoteAddress.getHostName().equals(remoteAddress.getHostAddress()))
- System.out.println(" note HostName matches address if host has no DNS name");
-
- // Notice the use of flush() and try w/ resources. Without
- // the try w/ resources the Socket object may stay open for
- // a while after the client has stopped needing this
- // connection. try w/ resources explicitly ends the connection.
- ps.flush();
- // like it or not, you're outta here!
- }
- }
- } catch (IOException e) {
- System.err.println("Problem with " + TamTcpExampleServer.class.getName() + " networking: " + e);
-
- // Provide more helpful information to user if exception occurs due to running twice at one time
- if (e instanceof java.net.BindException) {
- System.err.println("*** Be sure to stop any other running instances of programs using this port!");
- }
- }
- }
-}
diff --git a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/package-info.java b/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/package-info.java
deleted file mode 100644
index 76d553f312e083d8f2c34650e0ce660cd13e0953..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2022MayJune/homework2/Tam/package-info.java
+++ /dev/null
@@ -1,10 +0,0 @@
-/**
- * ExampleSimpleSimulation program-modification homework assignment supporting the NPS MOVES MV3500 Networked Graphics course.
- *
- * @see <a href="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/tree/master/assignments">networkedGraphicsMV3500 assignments</a>
- * @see java.lang.Package
- * @see <a href="https://stackoverflow.com/questions/22095487/why-is-package-info-java-useful">StackOverflow: why-is-package-info-java-useful</a>
- * @see <a href="https://stackoverflow.com/questions/624422/how-do-i-document-packages-in-java">StackOverflow: how-do-i-document-packages-in-java</a>
- */
-
-package MV3500Cohort2022MayJune.homework2.Tam;