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StateIngame.java
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StateIngame.java
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// Copyright 2021 The Terasology Foundation
// SPDX-License-Identifier: Apache-2.0
package org.terasology.engine.core.modes;
import org.terasology.engine.audio.AudioManager;
import org.terasology.engine.config.Config;
import org.terasology.engine.context.Context;
import org.terasology.engine.core.ComponentSystemManager;
import org.terasology.engine.core.GameEngine;
import org.terasology.engine.core.GameThread;
import org.terasology.engine.core.TerasologyConstants;
import org.terasology.engine.core.bootstrap.EnvironmentSwitchHandler;
import org.terasology.engine.core.module.ModuleManager;
import org.terasology.engine.core.subsystem.DisplayDevice;
import org.terasology.engine.entitySystem.entity.internal.EngineEntityManager;
import org.terasology.engine.entitySystem.event.internal.EventSystem;
import org.terasology.engine.entitySystem.prefab.Prefab;
import org.terasology.engine.entitySystem.systems.UpdateSubscriberSystem;
import org.terasology.engine.game.GameManifest;
import org.terasology.engine.identity.storageServiceClient.StorageServiceWorker;
import org.terasology.engine.input.InputSystem;
import org.terasology.engine.input.cameraTarget.CameraTargetSystem;
import org.terasology.engine.logic.console.Console;
import org.terasology.engine.monitoring.Activity;
import org.terasology.engine.monitoring.PerformanceMonitor;
import org.terasology.engine.network.NetworkMode;
import org.terasology.engine.network.NetworkSystem;
import org.terasology.engine.persistence.StorageManager;
import org.terasology.engine.physics.engine.PhysicsEngine;
import org.terasology.engine.rendering.nui.NUIManager;
import org.terasology.engine.rendering.nui.layers.mainMenu.MessagePopup;
import org.terasology.engine.rendering.world.WorldRenderer;
import org.terasology.engine.rendering.world.WorldRenderer.RenderingStage;
import org.terasology.engine.world.block.loader.BlockFamilyDefinition;
import org.terasology.engine.world.chunks.ChunkProvider;
import org.terasology.gestalt.assets.Asset;
import org.terasology.gestalt.assets.AssetType;
import org.terasology.gestalt.assets.ResourceUrn;
import org.terasology.gestalt.assets.management.AssetTypeManager;
import org.terasology.gestalt.assets.module.ModuleAwareAssetTypeManager;
import org.terasology.gestalt.module.Module;
import org.terasology.gestalt.module.ModuleEnvironment;
import org.terasology.nui.databinding.ReadOnlyBinding;
import java.util.Collections;
/**
* Play mode.
*
* @version 0.1
*/
public class StateIngame implements GameState {
private ComponentSystemManager componentSystemManager;
private EventSystem eventSystem;
private NUIManager nuiManager;
private WorldRenderer worldRenderer;
private EngineEntityManager entityManager;
private CameraTargetSystem cameraTargetSystem;
private InputSystem inputSystem;
private NetworkSystem networkSystem;
private StorageServiceWorker storageServiceWorker;
private Console console;
private Context context;
/* GAME LOOP */
private boolean pauseGame;
private StorageManager storageManager;
private GameManifest gameManifest;
public StateIngame(GameManifest gameManifest, Context context) {
this.gameManifest = gameManifest;
this.context = context;
}
@Override
public void init(GameEngine engine) {
// context from loading state gets used.
nuiManager = context.get(NUIManager.class);
worldRenderer = context.get(WorldRenderer.class);
eventSystem = context.get(EventSystem.class);
componentSystemManager = context.get(ComponentSystemManager.class);
entityManager = context.get(EngineEntityManager.class);
cameraTargetSystem = context.get(CameraTargetSystem.class);
if (nuiManager != null) {
inputSystem = context.get(InputSystem.class);
eventSystem.registerEventHandler(nuiManager);
}
networkSystem = context.get(NetworkSystem.class);
storageManager = context.get(StorageManager.class);
storageServiceWorker = context.get(StorageServiceWorker.class);
console = context.get(Console.class);
if (nuiManager != null) {
// Show or hide the HUD according to the settings
nuiManager.getHUD().bindVisible(new ReadOnlyBinding<Boolean>() {
@Override
public Boolean get() {
return !context.get(Config.class).getRendering().getDebug().isHudHidden();
}
});
}
if (networkSystem.getMode() == NetworkMode.CLIENT) {
String motd = networkSystem.getServer().getInfo().getMOTD();
if (nuiManager != null && motd != null && motd.length() != 0) {
nuiManager.pushScreen(MessagePopup.ASSET_URI, MessagePopup.class).setMessage("Server MOTD", motd);
}
}
}
@Override
public void dispose(boolean shuttingDown) {
ChunkProvider chunkProvider = context.get(ChunkProvider.class);
chunkProvider.dispose();
AssetTypeManager assetTypeManager = context.get(ModuleAwareAssetTypeManager.class);
// dispose all module assets
assetTypeManager.getAssetTypes().forEach(assetType -> {
for (ResourceUrn urn : assetType.getLoadedAssetUrns()) {
if (!urn.getModuleName().equals(TerasologyConstants.ENGINE_MODULE)) {
assetType.getAsset(urn).ifPresent(Asset::dispose);
}
}
});
// dispose engine assets that should not be kept when switching game states
assetTypeManager.getAssetType(BlockFamilyDefinition.class).ifPresent(AssetType::disposeAll);
assetTypeManager.getAssetType(Prefab.class).ifPresent(AssetType::disposeAll);
boolean save = networkSystem.getMode().isAuthority();
if (save && storageManager != null) {
storageManager.waitForCompletionOfPreviousSaveAndStartSaving();
}
networkSystem.shutdown();
// TODO: Shutdown background threads
eventSystem.process();
GameThread.processWaitingProcesses();
if (nuiManager != null) {
nuiManager.clear();
}
context.get(AudioManager.class).stopAllSounds();
if (worldRenderer != null) {
worldRenderer.dispose();
worldRenderer = null;
}
componentSystemManager.shutdown();
context.get(PhysicsEngine.class).dispose();
entityManager.clear();
if (storageManager != null) {
storageManager.finishSavingAndShutdown();
}
ModuleEnvironment oldEnvironment = context.get(ModuleManager.class).getEnvironment();
context.get(ModuleManager.class).loadEnvironment(Collections.<Module>emptySet(), true);
if (!shuttingDown) {
context.get(EnvironmentSwitchHandler.class).handleSwitchToEmptyEnvironment(context);
}
if (oldEnvironment != null) {
oldEnvironment.close();
}
console.dispose();
GameThread.clearWaitingProcesses();
if (nuiManager != null) {
/*
* Clear the binding as otherwise the complete ingame state would be
* referenced.
*/
nuiManager.getHUD().clearVisibleBinding();
}
}
@Override
public void update(float delta) {
eventSystem.process();
for (UpdateSubscriberSystem system : componentSystemManager.iterateUpdateSubscribers()) {
PerformanceMonitor.startActivity(system.getClass().getSimpleName());
system.update(delta);
PerformanceMonitor.endActivity();
}
if (worldRenderer != null && shouldUpdateWorld()) {
worldRenderer.update(delta);
}
if (storageManager != null) {
storageManager.update();
}
if (nuiManager != null) {
updateUserInterface(delta);
}
storageServiceWorker.flushNotificationsToConsole(console);
}
@Override
public void handleInput(float delta) {
cameraTargetSystem.update(delta);
inputSystem.update(delta);
}
private boolean shouldUpdateWorld() {
return !pauseGame;
}
@Override
public void render() {
DisplayDevice display = context.get(DisplayDevice.class);
try (Activity activity = PerformanceMonitor.startActivity("DisplayDevice::prepareToRender")) {
display.prepareToRender();
}
try (Activity activity = PerformanceMonitor.startActivity("WorldRenderer::render")) {
if (worldRenderer != null) {
worldRenderer.render(RenderingStage.MONO);
}
}
/* UI */
PerformanceMonitor.startActivity("Render and Update UI");
renderUserInterface();
PerformanceMonitor.endActivity();
}
@Override
public boolean isHibernationAllowed() {
return networkSystem.getMode() == NetworkMode.NONE;
}
@Override
public String getLoggingPhase() {
return gameManifest.getTitle();
}
private void renderUserInterface() {
PerformanceMonitor.startActivity("Rendering NUI");
nuiManager.render();
PerformanceMonitor.endActivity();
}
private void updateUserInterface(float delta) {
nuiManager.update(delta);
}
public void pause() {
pauseGame = true;
}
private void unpause() {
pauseGame = false;
}
public void togglePauseGame() {
if (pauseGame) {
unpause();
} else {
pause();
}
}
public boolean isGamePaused() {
return pauseGame;
}
public Context getContext() {
return context;
}
}