@Override
public void init(GameContainer gc) throws SlickException {
gc.setShowFPS(true);
this.runwayX = -70;
this.runwayY = 298;
this.landingX = app.getWidth() - 400;
this.landingY = 80;
this.takeoffX = app.getWidth() - 400;
this.takeoffY = 298;
this.airplaneImage = new Image("lab4_AirportSimulation/images/plane.png");
this.backgroundImage = new Image("lab4_AirportSimulation/images/background.png");
}
private void runSimulation() {
System.out.println("Update: " + currentUpdate);
currentUpdate++;
Airplane airplaneHandle;
// Randomly add planes
for (int i = 0; i < 2; i++) {
if (newLandingProbability >= Math.pow(rand.nextDouble(), i)) {
airplaneHandle =
new Airplane(
generateAirplaneNumber(),
app.getWidth(),
landingY,
landingX,
landingY,
30 * (simulationDelay / 1000.0));
airQueue.add(airplaneHandle);
System.out.println("Now queued for landing: " + airplaneHandle);
}
}
if (newTakeoffProbability >= rand.nextDouble()) {
airplaneHandle =
new Airplane(
generateAirplaneNumber(),
app.getWidth(),
takeoffY,
takeoffX,
takeoffY,
30 * (simulationDelay / 1000.0));
groundQueue.add(airplaneHandle);
System.out.println("Now queued for takeoff: " + airplaneHandle);
}
// Load the runway
if (runway.isVacant())
if (!airQueue.isEmpty()) {
runway.setOccupied(airQueue.poll(), true);
runway.getCurrentAirplane().setDestPos(runwayX, runwayY);
System.out.println("Now landing: " + runway.getCurrentAirplane());
} else if (!groundQueue.isEmpty()) {
runway.setOccupied(groundQueue.poll(), false);
runway.getCurrentAirplane().setDestPos(runwayX, runwayY);
System.out.println("Now taking off: " + runway.getCurrentAirplane());
}
// Set queued airplane destinations
Iterator<Airplane> it;
it = airQueue.iterator();
int i = 0;
while (it.hasNext()) {
airplaneHandle = it.next();
airplaneHandle.setDestPos(landingX + (airplaneImage.getWidth() + 10) * i, landingY);
i++;
}
it = groundQueue.iterator();
i = 0;
while (it.hasNext()) {
airplaneHandle = it.next();
airplaneHandle.setDestPos(takeoffX + (airplaneImage.getWidth() + 10) * i, takeoffY);
i++;
}
// Output information about the runway
System.out.println(
runway
+ "\nNumber of planes waiting to land: "
+ airQueue.size()
+ "\nNumber of planes waiting to take off: "
+ groundQueue.size());
// Tick runway
runway.tick();
System.out.println();
}