Java Code Examples for com.badlogic.ashley.core.Engine#addEntity()

The following examples show how to use com.badlogic.ashley.core.Engine#addEntity() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: IntervalIteratingTest.java    From ashley with Apache License 2.0 6 votes vote down vote up 
@Test
public void intervalSystem () {
	Engine engine = new Engine();
	IntervalIteratingSystemSpy intervalSystemSpy = new IntervalIteratingSystemSpy();
	ImmutableArray<Entity> entities = engine.getEntitiesFor(Family.all(IntervalComponentSpy.class).get());
	ComponentMapper<IntervalComponentSpy> im = ComponentMapper.getFor(IntervalComponentSpy.class);

	engine.addSystem(intervalSystemSpy);

	for (int i = 0; i < 10; ++i) {
		Entity entity = new Entity();
		entity.add(new IntervalComponentSpy());
		engine.addEntity(entity);
	}

	for (int i = 1; i <= 10; ++i) {
		engine.update(deltaTime);

		for (int j = 0; j < entities.size(); ++j) {
			assertEquals(i / 2, im.get(entities.get(j)).numUpdates);
		}
	}
}
Example 2
Source File: IteratingSystemTest.java    From ashley with Apache License 2.0 5 votes vote down vote up 
@Test
@SuppressWarnings("unchecked")
public void shouldIterateEntitiesWithCorrectFamily () {
	final Engine engine = new Engine();

	final Family family = Family.all(ComponentA.class, ComponentB.class).get();
	final IteratingSystemMock system = new IteratingSystemMock(family);
	final Entity e = new Entity();

	engine.addSystem(system);
	engine.addEntity(e);

	// When entity has ComponentA
	e.add(new ComponentA());
	engine.update(deltaTime);

	assertEquals(0, system.numUpdates);

	// When entity has ComponentA and ComponentB
	system.numUpdates = 0;
	e.add(new ComponentB());
	engine.update(deltaTime);

	assertEquals(1, system.numUpdates);

	// When entity has ComponentA, ComponentB and ComponentC
	system.numUpdates = 0;
	e.add(new ComponentC());
	engine.update(deltaTime);

	assertEquals(1, system.numUpdates);

	// When entity has ComponentB and ComponentC
	system.numUpdates = 0;
	e.remove(ComponentA.class);
	e.add(new ComponentC());
	engine.update(deltaTime);

	assertEquals(0, system.numUpdates);
}
Example 3
Source File: SortedIteratingSystemTest.java    From ashley with Apache License 2.0 5 votes vote down vote up 
@Test
@SuppressWarnings("unchecked")
public void shouldIterateEntitiesWithCorrectFamily () {
	final Engine engine = new Engine();

	final Family family = Family.all(OrderComponent.class, ComponentB.class).get();
	final SortedIteratingSystemMock system = new SortedIteratingSystemMock(family);
	final Entity e = new Entity();

	engine.addSystem(system);
	engine.addEntity(e);

	// When entity has OrderComponent
	e.add(new OrderComponent("A", 0));
	engine.update(deltaTime);

	// When entity has OrderComponent and ComponentB
	e.add(new ComponentB());
	system.expectedNames.addLast("A");
	engine.update(deltaTime);

	// When entity has OrderComponent, ComponentB and ComponentC
	e.add(new ComponentC());
	system.expectedNames.addLast("A");
	engine.update(deltaTime);

	// When entity has ComponentB and ComponentC
	e.remove(OrderComponent.class);
	e.add(new ComponentC());
	engine.update(deltaTime);
}
Example 4
Source File: SortedIteratingSystemTest.java    From ashley with Apache License 2.0 5 votes vote down vote up 
@Test
public void entityOrder () {
	Engine engine = new Engine();

	final Family family = Family.all(OrderComponent.class).get();
	final SortedIteratingSystemMock system = new SortedIteratingSystemMock(family);
	engine.addSystem(system);

	Entity a = createOrderEntity("A", 0);
	Entity b = createOrderEntity("B", 1);
	Entity c = createOrderEntity("C", 3);
	Entity d = createOrderEntity("D", 2);

	engine.addEntity(a);
	engine.addEntity(b);
	engine.addEntity(c);
	system.expectedNames.addLast("A");
	system.expectedNames.addLast("B");
	system.expectedNames.addLast("C");
	engine.update(0);

	engine.addEntity(d);
	system.expectedNames.addLast("A");
	system.expectedNames.addLast("B");
	system.expectedNames.addLast("D");
	system.expectedNames.addLast("C");
	engine.update(0);

	orderMapper.get(a).zLayer = 3;
	orderMapper.get(b).zLayer = 2;
	orderMapper.get(c).zLayer = 1;
	orderMapper.get(d).zLayer = 0;
	system.forceSort();
	system.expectedNames.addLast("D");
	system.expectedNames.addLast("C");
	system.expectedNames.addLast("B");
	system.expectedNames.addLast("A");
	engine.update(0);
}
Example 5
Source File: AshleyBenchmark.java    From ashley with Apache License 2.0 4 votes vote down vote up 
private static Engine prepareEngine (int numEntities) {
	Engine engine = new Engine();

	engine.addSystem(new MovementSystem());
	engine.addSystem(new StateSystem());
	engine.addSystem(new CollisionSystem());
	engine.addSystem(new RemovalSystem());

	for (int i = 0; i < numEntities; ++i) {
		Entity entity = new Entity();

		if (Constants.shouldHaveComponent(ComponentType.POSITION, i)) {
			PositionComponent pos = new PositionComponent();
			pos.pos.x = MathUtils.random(Constants.MIN_POS, Constants.MAX_POS);
			pos.pos.y = MathUtils.random(Constants.MIN_POS, Constants.MAX_POS);
			entity.add(pos);
		}

		if (Constants.shouldHaveComponent(ComponentType.MOVEMENT, i)) {
			MovementComponent mov = new MovementComponent();
			mov.velocity.x = MathUtils.random(Constants.MIN_VEL, Constants.MAX_VEL);
			mov.velocity.y = MathUtils.random(Constants.MIN_VEL, Constants.MAX_VEL);
			mov.accel.x = MathUtils.random(Constants.MIN_ACC, Constants.MAX_ACC);
			mov.accel.y = MathUtils.random(Constants.MIN_ACC, Constants.MAX_ACC);

			entity.add(mov);
		}

		if (Constants.shouldHaveComponent(ComponentType.RADIUS, i)) {
			RadiusComponent rad = new RadiusComponent();
			rad.radius = MathUtils.random(Constants.MIN_RADIUS, Constants.MAX_RADIUS);
			entity.add(rad);
		}

		if (Constants.shouldHaveComponent(ComponentType.STATE, i)) {
			entity.add(new StateComponent());
		}

		engine.addEntity(entity);
	}

	return engine;
}