private void cleanup() {
logger.info("Shutting down Terasology...");
changeStatus(StandardGameStatus.SHUTTING_DOWN);
if (currentState != null) {
currentState.dispose();
currentState = null;
}
Iterator<EngineSubsystem> preshutdownIter = allSubsystems.descendingIterator();
while (preshutdownIter.hasNext()) {
EngineSubsystem subsystem = preshutdownIter.next();
try {
subsystem.preShutdown();
} catch (RuntimeException e) {
logger.error("Error preparing to shutdown {} subsystem", subsystem.getName(), e);
}
}
Iterator<EngineSubsystem> shutdownIter = allSubsystems.descendingIterator();
while (shutdownIter.hasNext()) {
EngineSubsystem subsystem = shutdownIter.next();
try {
subsystem.shutdown();
} catch (RuntimeException e) {
logger.error("Error shutting down {} subsystem", subsystem.getName(), e);
}
}
}
private void initSubsystems() {
changeStatus(TerasologyEngineStatus.INITIALIZING_SUBSYSTEMS);
for (EngineSubsystem subsystem : getSubsystems()) {
changeStatus(() -> "Initialising " + subsystem.getName() + " subsystem");
subsystem.initialise(this, rootContext);
}
}
/** Gives a chance to subsystems to do something BEFORE managers and Time are initialized. */
private void preInitSubsystems() {
changeStatus(TerasologyEngineStatus.PREPARING_SUBSYSTEMS);
for (EngineSubsystem subsystem : getSubsystems()) {
changeStatus(() -> "Pre-initialising " + subsystem.getName() + " subsystem");
subsystem.preInitialise(rootContext);
}
}
/**
* The main loop runs until the EngineState is set back to INITIALIZED by shutdown() or until the
* OS requests the application's window to be closed. Engine cleanup and disposal occur
* afterwards.
*/
private void mainLoop() {
PerformanceMonitor.startActivity("Other");
// MAIN GAME LOOP
while (!shutdownRequested) {
assetTypeManager.reloadChangedOnDisk();
processPendingState();
if (currentState == null) {
shutdown();
break;
}
Iterator<Float> updateCycles = timeSubsystem.getEngineTime().tick();
for (EngineSubsystem subsystem : allSubsystems) {
try (Activity ignored =
PerformanceMonitor.startActivity(subsystem.getName() + " PreUpdate")) {
subsystem.preUpdate(currentState, timeSubsystem.getEngineTime().getRealDelta());
}
}
while (updateCycles.hasNext()) {
float updateDelta = updateCycles.next(); // gameTime gets updated here!
try (Activity ignored = PerformanceMonitor.startActivity("Main Update")) {
currentState.update(updateDelta);
}
}
// Waiting processes are set by modules via GameThread.a/synch() methods.
GameThread.processWaitingProcesses();
for (EngineSubsystem subsystem : getSubsystems()) {
try (Activity ignored =
PerformanceMonitor.startActivity(subsystem.getName() + " Subsystem postUpdate")) {
subsystem.postUpdate(currentState, timeSubsystem.getEngineTime().getRealDelta());
}
}
assetTypeManager.disposedUnusedAssets();
PerformanceMonitor.rollCycle();
PerformanceMonitor.startActivity("Other");
}
PerformanceMonitor.endActivity();
}