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Commit bc7fbceb authored by Brutzman, Don's avatar Brutzman, Don
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move student-oriented block to front

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examples/src/OpenDis7Examples/ExampleSimulationProgram.java
+ 94
− 93
View file @ bc7fbceb
......@@ -20,6 +20,100 @@ import java.util.logging.Logger;
* that includes DIS-capable entities doing tasks and reporting them. */
public class ExampleSimulationProgram
{
/**
* runSimulation is for you! This block is programmer-modifiable method for defining and running a new simulation of interest.
* Support include DIS EntityStatePdu, FirePdu and CommentPdu all available for
* modification and sending in a simulation loop.
*/
@SuppressWarnings("SleepWhileInLoop")
public void runSimulation ()
{
try
{
final double LOOP_DURATION_SECONDS = 1.0; // seconds
final int MAX_LOOP_COUNT = 10;
int loopCount = 0;
VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
boolean simulationComplete = false; // sentinel variable as termination condition
// TODO reset clock to zero each time for consistent outputs.
// your model setup: who's who in this zoo?
// create PDU objects and set their values
EntityID entityID_1 = new EntityID();
entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID
EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
entityStatePdu.setEntityID(entityID_1);
FirePdu firePdu = pduFactory.makeFirePdu();
// should we customize this munition? what is it for your simulation?
// loop the simulation while allowed, programmer can set additional conditions to break out and finish
while (loopCount < MAX_LOOP_COUNT)
{
String narrativeMessage1, narrativeMessage2, narrativeMessage3;
// initialize loop variables
loopCount++;
// =============================================================================================
// your own simulation code starts here!
// compute a track, update an ESPDU, whatever it is that your model is doing...
// Where is my entity?
entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX() + 1.0); // 1m per timestep
// decide whether to fire, and then update the firePdu. Hmmm, you might want a target to shoort at!
// etc. etc. your code goes here
// something happens between my simulation entities, la de da de da...
System.out.println ("... My simulation just did something, no really...");
// make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
narrativeMessage1 = "MV3500 ExampleSimulationProgram";
narrativeMessage2 = "runSimulation() loop " + loopCount;
narrativeMessage3 = ""; // intentionally blank for testing
// your loop termination condition goes here
if (loopCount > 4) // for example
{
simulationComplete = true;
}
// your own simulation code is finished here!
// =============================================================================================
// keep track of 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)(LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
System.out.println ("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
// send the status PDUs for this loop and continue
System.out.println ("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
sendAllPdus(entityStatePdu, firePdu, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
System.out.println ("... PDUs successfully sent");
// ===============================
// loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
{
System.out.println ("... Termination condition met, simulationComplete=" + simulationComplete);
break;
}
} // end of while loop
}
catch (InterruptedException iex) // handle any exception that your code might choose to provoke!
{
Logger.getLogger(ExampleSimulationProgram.class.getName()).log(Level.SEVERE, null, iex);
}
}
/* **************************** infrastructure code, modification is seldom needed ************************* */
/**
* Output prefix to identify this class, helps with logging
*/
......@@ -206,97 +300,4 @@ public class ExampleSimulationProgram
System.out.println(TRACE_PREFIX + "complete."); // report successful completion
}
/**
* Programmer-modifiable method for defining and running a new simulation of interest.
* Support include DIS EntityStatePdu, FirePdu and CommentPdu all available for
* modification and sending in a simulation loop.
*/
@SuppressWarnings("SleepWhileInLoop")
public void runSimulation ()
{
try
{
final double LOOP_DURATION_SECONDS = 1.0; // seconds
final int MAX_LOOP_COUNT = 10;
int loopCount = 0;
VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
boolean simulationComplete = false; // sentinel variable as termination condition
// TODO reset clock to zero each time for consistent outputs.
// your model setup: who's who in this zoo?
// create PDU objects and set their values
EntityID entityID_1 = new EntityID();
entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID
EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
entityStatePdu.setEntityID(entityID_1);
FirePdu firePdu = pduFactory.makeFirePdu();
// should we customize this munition? what is it for your simulation?
// loop the simulation while allowed, programmer can set additional conditions to break out and finish
while (loopCount < MAX_LOOP_COUNT)
{
String narrativeMessage1, narrativeMessage2, narrativeMessage3;
// initialize loop variables
loopCount++;
// =============================================================================================
// your own simulation code starts here!
// compute a track, update an ESPDU, whatever it is that your model is doing...
// Where is my entity?
entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX() + 1.0); // 1m per timestep
// decide whether to fire, and then update the firePdu. Hmmm, you might want a target to shoort at!
// etc. etc. your code goes here
// something happens between my simulation entities, la de da de da...
System.out.println ("... My simulation just did something, no really...");
// make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
narrativeMessage1 = "MV3500 ExampleSimulationProgram";
narrativeMessage2 = "runSimulation() loop " + loopCount;
narrativeMessage3 = ""; // intentionally blank for testing
// your loop termination condition goes here
if (loopCount > 4) // for example
{
simulationComplete = true;
}
// your own simulation code is finished here!
// =============================================================================================
// keep track of 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)(LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
System.out.println ("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
// send the status PDUs for this loop and continue
System.out.println ("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
sendAllPdus(entityStatePdu, firePdu, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
System.out.println ("... PDUs successfully sent");
// ===============================
// loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
{
System.out.println ("... Termination condition met, simulationComplete=" + simulationComplete);
break;
}
} // end of while loop
}
catch (InterruptedException iex) // handle any exception that your code might choose to provoke!
{
Logger.getLogger(ExampleSimulationProgram.class.getName()).log(Level.SEVERE, null, iex);
}
}
}
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