Java MessageManager类代码示例

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
public void update(float deltaTime) {
	// Update AI time
	GdxAI.getTimepiece().update(deltaTime);

	// Dispatch delayed messages
	MessageManager.getInstance().update();

	// Update Bullet simulation
	// On default fixedTimeStep = 1/60, small objects (the stick) will fall through 
	// the ground (the ground has relatively big triangles).
	dynamicsWorld.stepSimulation(deltaTime, 10, 1f / 240f);

	for (GameObject object : objectsById.values()) {
		if (object != null) {
			object.update(deltaTime);
		}
	}
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
@Override
public void update(HumanCharacter entity) {
	if (entity.isMoving()) {
		// Keep on updating movement animation
		updateAnimation(entity);
	} else {
		GameScreen.screen.sounds.whistle.play();
		// If the entity owns a dog send it a delayed message to emulate reaction time
		if (entity.dog != null) {
			MessageManager.getInstance().dispatchMessage(MathUtils.randomTriangular(.8f, 2f, 1.2f), null, entity.dog,
					Constants.MSG_DOG_LETS_PLAY);
		}
		// Transition to the appropriate idle state depending on the previous state
		HumanState previousState = entity.stateMachine.getPreviousState();
		HumanState nextState = HumanState.IDLE_STAND;
		if (previousState != null) {
			if (previousState.isMovementState()) {
				nextState = previousState.idleState;
			} else if (previousState.isIdleState()) {
				nextState = previousState;
			}
		}
		entity.stateMachine.changeState(nextState);
	}
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
@Override
public void enter(HumanCharacter entity) {
	// Turn off animation
	entity.animations.setAnimation("armature|idle_stand", -1);
	entity.animations.paused = true;

	// Stop steering and let friction and gravity arrest the entity
	entity.stopSteering(false);

	// Set ragdoll control
	entity.setRagdollControl(true);

	// Dog owners inform the dog of the death and clear dog button
	if (entity.dog != null) {
		MessageManager.getInstance().dispatchMessage(MathUtils.randomTriangular(.8f, 2f, 1.2f), null, entity.dog, Constants.MSG_DOG_HUMAN_IS_DEAD);
		MessageManager.getInstance().dispatchMessage(Constants.MSG_GUI_CLEAR_DOG_BUTTON, entity);
	}
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
protected void prepareToMove(HumanCharacter entity, float steeringMultiplier) {
	entity.moveState = this;

	// Apply the multiplier to steering limits
	entity.setMaxLinearSpeed(HumanSteerSettings.maxLinearSpeed * steeringMultiplier);
	entity.setMaxLinearAcceleration(HumanSteerSettings.maxLinearAcceleration * steeringMultiplier);
	entity.setMaxAngularSpeed(HumanSteerSettings.maxAngularSpeed * steeringMultiplier);
	entity.setMaxAngularAcceleration(HumanSteerSettings.maxAngularAcceleration * steeringMultiplier);

	entity.followPathSteerer.followPathSB.setDecelerationRadius(HumanSteerSettings.decelerationRadius * steeringMultiplier);

	// If the entity owns a dog tell him you don't want to play and re-enable whistle
	if (entity.dog != null) {
		MessageManager.getInstance().dispatchMessage(MathUtils.randomTriangular(.8f, 2f, 1.2f), null, entity.dog, Constants.MSG_DOG_LETS_STOP_PLAYING);
		MessageManager.getInstance().dispatchMessage(Constants.MSG_GUI_SET_DOG_BUTTON_TO_WHISTLE, entity);
	}
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
public CharacterController(TextureAtlas buttonAtlas) {
	whistleButton = new CharacterButton(HumanState.WHISTLE, buttonAtlas, "whistle-up", "whistle-down", "whistle-down");
	throwButton = new CharacterButton(HumanState.THROW, buttonAtlas, "throw-up", "throw-down", "throw-down");

	radioGroup = new ButtonGroup<CharacterButton>(
			new CharacterButton(HumanState.MOVE_RUN, buttonAtlas, "run-up", "run-down", "run-down"),
			new CharacterButton(HumanState.MOVE_WALK, buttonAtlas, "walk-up", "walk-down", "walk-down"),
			new CharacterButton(HumanState.MOVE_CROUCH, buttonAtlas, "crouch-up", "crouch-down", "crouch-down"),
			//new CharacterButton(CharacterState.MOVE_CRAWL, buttonAtlas, "crawl-up", "crawl-down", "crawl-down"),
			new CharacterButton(HumanState.DEAD, buttonAtlas, "kill-up", "kill-down", "kill-down")
	);

	// Add whistle button and save the reference to the 1st cell
	this.dogCell = add(whistleButton);

	// Add radio buttons
	for (CharacterButton btn : radioGroup.getButtons()) {
		add(btn);
	}

	// Register this controller's interests
	MessageManager.getInstance().addListeners(this,
			Constants.MSG_GUI_CLEAR_DOG_BUTTON,
			Constants.MSG_GUI_SET_DOG_BUTTON_TO_WHISTLE,
			Constants.MSG_GUI_SET_DOG_BUTTON_TO_THROW);
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
public static void clearTarget (Entity target) {
	ImmutableArray<Entity> entities = engine.getEntitiesFor(Family.all(TargetComponent.class).get());
	
	for (Entity entity : entities) {
		TargetComponent targetComp = Components.TARGET.get(entity);
		if (targetComp.getTarget() == target) {
			targetComp.setTarget(null);

			//Dispatch a message to the entites FSM that there target was removed from the engine
			if (Components.FSM.has(entity)) {
				FSMComponent fsm = Components.FSM.get(entity);
				MessageManager.getInstance().dispatchMessage(null, fsm, TelegramMessage.TARGET_REMOVED.ordinal(), target);
			}
		}

	}
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
public void clearTarget (Entity target) {
	ImmutableArray<Entity> entities = engine.getEntitiesFor(Family.all(TargetComponent.class, SquadComponent.class).get());
	
	for (Entity squad : entities) {
		SquadComponent squadComp = Components.SQUAD.get(squad);
		squadComp.untrack(squad, target);	//The squad no longer will track the target
		
		TargetComponent targetComp = Components.TARGET.get(squad);
		//If we were targeting that squad we remove it from our target
		if (targetComp.getTarget() == target) {
			targetComp.setTarget(null);

			//Dispatch a message to the entites FSM that there target was removed from the engine
			if (Components.FSM.has(squad)) {
				FSMComponent fsm = Components.FSM.get(squad);
				MessageManager.getInstance().dispatchMessage(null, fsm, TelegramMessage.TARGET_REMOVED.ordinal(), target);
			}
		}

	}
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
public void track (Entity self, Entity target) {
	if ((target.flags & EntityCategory.RESOURCE) == EntityCategory.RESOURCE) {
		resourcesTracked.add(target);
		resourceAgents.add(Components.STEERABLE.get(target));
		sortTrackedResources();
		MessageManager.getInstance().dispatchMessage(null, Components.FSM.get(self),
			TelegramMessage.DISCOVERED_RESOURCE.ordinal());
	} else if ((target.flags & EntityCategory.SQUAD) == EntityCategory.SQUAD) {
		if (EntityUtils.isSameFaction(self, target)) {
			friendliesTracked.add(target);
			friendlyAgents.add(Components.STEERABLE.get(target));
		} else {
			enemiesTracked.add(target);
			MessageManager.getInstance().dispatchMessage(null, Components.FSM.get(self), TelegramMessage.DISCOVERED_ENEMY.ordinal());
		}

	}
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
@Override
public void render(final float delta) {
	accumulator += Math.min(delta, 0.25f);
	while (accumulator >= TIME_STEP) {
		world.step(TIME_STEP, VELOCITY_ITERATIONS, POSITION_ITERATIONS);
		accumulator -= TIME_STEP;
	}

	ninjaRabbit.update(viewport.getCamera());
	viewport.getCamera().update();
	game.getBatch().setProjectionMatrix(viewport.getCamera().combined);
	environment.update(viewport.getCamera());

	game.getBatch().begin();
	ninjaRabbit.step(game.getBatch());
	environment.step(game.getBatch());
	game.getBatch().end();

	MessageManager.getInstance().update(delta);

	hud.render();
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
@Override
public boolean keyDown(final int keycode) {
	switch (keycode) {
	case JUMP_KEY:
		character.changeState(NinjaRabbitState.JUMP);
		break;
	case LEFT_KEY:
		character.changeState(NinjaRabbitState.LEFT);
		break;
	case RIGHT_KEY:
		character.changeState(NinjaRabbitState.RIGHT);
		break;
	case DUCK_KEY:
		// character.execute(NinjaRabbit.DUCK);
		break;
	case RESET_KEY:
		MessageManager.getInstance().dispatchMessage(null, MessageType.DEAD.code(), character);
		break;
	default:
		break;
	}
	return super.keyDown(keycode);
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
@Override
public void render () {
	float delta = Gdx.graphics.getDeltaTime();
	elapsedTime += delta;

	// Update time
	GdxAI.getTimepiece().update(delta);

	if (elapsedTime > 0.8f) {
		// Update Bob and his wife
		bob.update(elapsedTime);
		elsa.update(elapsedTime);

		// Dispatch any delayed messages
		MessageManager.getInstance().update();

		elapsedTime = 0;
	}
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
@Test
public void messageTest() {
    engine.addEntity(player);
    MessageManager.getInstance().dispatchMessage(messageActuator, MessageHandler.getMessageKey(message));

    engine.update(1);
    assertTrue(sensor.positive);
    assertEquals(LogicBrick.BrickMode.BM_ON, sensor.pulseState);

    engine.update(1);
    assertTrue(sensor.pulseState == LogicBrick.BrickMode.BM_OFF);
    assertTrue(sensor.positive);

    sensor.managedMessage = true;
    engine.update(1);
    assertTrue(sensor.pulseState == LogicBrick.BrickMode.BM_ON);
    assertFalse(sensor.positive);

}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
@Override
public void update(NhgEntry nhgEntry) {
    float delta = Gdx.graphics.getDeltaTime();

    MessageManager.getInstance().update();
    nhgEntry.nhg.assets.update();
    nhgEntry.nhg.entities.update(delta);

    nhgEntry.onUpdate(delta);
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
@Override
public void update(Assets assets) {
    if (assets.assetManager.update()) {
        assets.fsm.changeState(AssetsStates.IDLE);
        MessageManager.getInstance().dispatchMessage(AssetsStates.ASSETS_GC);

        assets.assetLoadingFinished();
        publishLoadedAssets(assets);
    }
}
 

import com.badlogic.gdx.ai.msg.MessageManager; //导入依赖的package包/类
public AssetStateIdle() {
    MessageManager.getInstance().addListener(new Telegraph() {
        @Override
        public boolean handleMessage(Telegram msg) {
            startGcTask();
            return true;
        }
    }, AssetsStates.ASSETS_GC);
}