public void CreatesInstanceForEverySystemInConstructor()
{
var systems = new ISystem[] { new TwoComponentSystem(), new OneComponentSystem() };
var manager = new RuntimeSystemManager(systems, Mock.Of <ILogger>());
manager.Systems.Count.ShouldBe(2);
manager.Systems.ShouldAllBe(p => systems.Contains(p.System));
}
public void RemovesEntityFromSystem()
{
var oneComponentSystem = new OneComponentSystem();
var manager = new RuntimeSystemManager(new ISystem[] { oneComponentSystem }, Mock.Of <ILogger>());
var oneComponentEntity = new EngineEntity(0, new IComponent[] { new SimpleComponent() },
Mock.Of <IEventDispatcher>());
manager.AddEntities(new[] { oneComponentEntity });
manager.RemoveEntities(new[] { oneComponentEntity });
manager.Systems.Single().Entities.ShouldNotContain(oneComponentEntity);
}
public void CorrectlyFilterEntitiesIntoSystemInstances()
{
var oneComponentSystem = new OneComponentSystem();
var twoComponentSystem = new TwoComponentSystem();
var manager = new RuntimeSystemManager(new ISystem[] { oneComponentSystem, twoComponentSystem },
Mock.Of <ILogger>());
var oneComponentEntity = new EngineEntity(0, new IComponent[] { new SimpleComponent() },
Mock.Of <IEventDispatcher>());
var twoComponentEntity = new EngineEntity(0,
new IComponent[] { new SimpleComponent(), new OtherSimpleComponent() },
Mock.Of <IEventDispatcher>());
manager.AddEntities(new[] { oneComponentEntity, twoComponentEntity });
manager.Systems.Single(p => p.System == oneComponentSystem).Entities.ShouldContain(oneComponentEntity);
manager.Systems.Single(p => p.System == oneComponentSystem).Entities.ShouldContain(twoComponentEntity);
manager.Systems.Single(p => p.System == twoComponentSystem).Entities.ShouldContain(twoComponentEntity);
manager.Systems.Single(p => p.System == twoComponentSystem).Entities.ShouldNotContain(oneComponentEntity);
}
