Exemplo n.º 1
0
        private IEntityIndex CreateIndex <TComponent>() where TComponent : class, IEqualityComparer <TComponent>, IComponent, new()
        {
            string           name  = nameof(TComponent);
            IGroup <TEntity> group = GetGroup <TComponent>();
            Func <TEntity, IComponent, TComponent> getKey = (e, c) => (TComponent)c;
            var index = new PrimaryEntityIndex <TEntity, TComponent>(name, group, getKey, ComponentHelper <TComponent> .Default);

            return(index);
        }
Exemplo n.º 2
0
        public void has_existing_entity()
        {
            var newIndex = new PrimaryEntityIndex <ITestSecondPool, string>(Group, (e, c) => {
                var nameAge = c as NameTestComponent;
                return(nameAge != null
                        ? nameAge.Name
                        : e.Get <NameTestComponent>().Name);
            });

            Assert.IsTrue(newIndex.HasEntity(Key));
        }
    public void Before()
    {
        _context = Helper.CreateContext();
        _index = new PrimaryEntityIndex<string>(_context.GetGroup(Matcher.AllOf(CP.ComponentA)), (e, c) => ((NameComponent)c).name);

        for (int i = 0; i < 10; i++) {
            var nameComponent = new NameComponent();
            nameComponent.name = i.ToString();
            _context.CreateEntity().AddComponent(CP.ComponentA, nameComponent);
        }
    }
Exemplo n.º 4
0
        public void CannotAddDuplicateEntityIndex()
        {
            const int componentIndex = 1;
            var       entityIndex    = new PrimaryEntityIndex <MyTestEntity, string>(
                "TestIndex",
                _defaultContext.GetGroup(Matcher <MyTestEntity> .AllOf(componentIndex)),
                (arg1, arg2) => string.Empty);

            _defaultContext.AddEntityIndex(entityIndex);

            Assert.Throws <ContextEntityIndexDoesAlreadyExistException>(() => _defaultContext.AddEntityIndex(entityIndex));
        }
Exemplo n.º 5
0
        public void EntityIndexCanBeAdded()
        {
            const int componentIndex = 1;
            var       entityIndex    = new PrimaryEntityIndex <MyTestEntity, string>(
                "TestIndex",
                _defaultContext.GetGroup(Matcher <MyTestEntity> .AllOf(componentIndex)),
                (arg1, arg2) => string.Empty);

            _defaultContext.AddEntityIndex(entityIndex);

            Assert.AreEqual(entityIndex, _defaultContext.GetEntityIndex(entityIndex.Name));
        }
Exemplo n.º 6
0
    public void Before()
    {
        _context = Helper.CreateContext();
        _index   = new PrimaryEntityIndex <Entity, string>(_context.GetGroup(Matcher <Entity> .AllOf(CP.ComponentA)), (e, c) => ((NameComponent)c).name);

        for (int i = 0; i < 10; i++)
        {
            var nameComponent = new NameComponent();
            nameComponent.name = i.ToString();
            _context.CreateEntity().AddComponent(CP.ComponentA, nameComponent);
        }
    }
Exemplo n.º 7
0
 public void Setup0()
 {
     Pool  = new Pool <ITestSecondPool>(new NameTestComponent());
     Group = Pool.GetGroup(Matcher.AllOf(typeof(NameTestComponent)));
     Index = new PrimaryEntityIndex <ITestSecondPool, string>(Group, (e, c) =>
     {
         var name = c as NameTestComponent;
         return(name != null
             ? name.Name
             : e.Get <NameTestComponent>().Name);
     });
 }
    public static void AddEntityIndices(this Pools pools)
    {
        var playerIndex = new PrimaryEntityIndex <string>(
            pools.core.GetGroup(CoreMatcher.Player),
            (entity, component) => {
            var playerComponent = (PlayerComponent)component;
            return(playerComponent != null
                    ? playerComponent.id
                    : entity.player.id);
        }
            );

        pools.core.AddEntityIndex(PlayerKey, playerIndex);
    }
Exemplo n.º 9
0
        public UIPool() : base(RentitasUtility.CollectComponents <IUIPool>().Build())
        {
            Index = new PrimaryEntityIndex <IUIPool, Guid>(
                GetGroup(Matcher.AllOf(typeof(Element))),
                (e, c) => ((Element)c).Id);

            Children = new EntityIndex <IUIPool, Guid>(
                GetGroup(Matcher.AllOf(typeof(Parent))),
                (e, c) => ((Parent)c).Id);

            Scope = new EntityIndex <IUIPool, Guid>(
                GetGroup(Matcher.AllOf(typeof(Scope))),
                (e, c) => ((Scope)c).Id);
        }
        public void SetupMultipleKeyPrimaryEntityIndex()
        {
            _context      = new MyTestContext();
            _group        = _context.GetGroup(Matcher <MyTestEntity> .AllOf(CID.ComponentA));
            _primaryIndex = new PrimaryEntityIndex <MyTestEntity, string>("TestIndex", _group, (e, c) =>
            {
                return(c is NameAgeComponent nameAge
                                        ? new[] { nameAge.name + "1", nameAge.name + "2" }
                                        : new[] { ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name + "1", ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name + "2" });
            });

            var nameAgeComponent = new NameAgeComponent();

            nameAgeComponent.name = NAME;
            _entity = _context.CreateEntity();
            _entity.AddComponent(CID.ComponentA, nameAgeComponent);
        }
Exemplo n.º 11
0
        public void CanGetAllEntityIndices()
        {
            const int componentIndex = 1;
            var       entityIndex    = new PrimaryEntityIndex <MyTestEntity, string>(
                "TestIndex",
                _defaultContext.GetGroup(Matcher <MyTestEntity> .AllOf(componentIndex)),
                (arg1, arg2) => string.Empty);

            var entityIndex2 = new PrimaryEntityIndex <MyTestEntity, string>(
                "TestIndex2",
                _defaultContext.GetGroup(Matcher <MyTestEntity> .AllOf(componentIndex)),
                (arg1, arg2) => string.Empty);

            _defaultContext.AddEntityIndex(entityIndex);
            _defaultContext.AddEntityIndex(entityIndex2);

            Assert.That(_defaultContext.EntityIndices, Contains.Item(entityIndex).And.Contains(entityIndex2));
        }
        public void SetupActivatedPrimaryEntityIndex()
        {
            _context      = new MyTestContext();
            _group        = _context.GetGroup(Matcher <MyTestEntity> .AllOf(MyTestComponentsLookup.ComponentA));
            _primaryIndex = new PrimaryEntityIndex <MyTestEntity, string>(
                "TestIndex",
                _group,
                (e, c) =>
            {
                return(c is NameAgeComponent nameAge
                                                ? nameAge.name
                                                : ((NameAgeComponent)e.GetComponent(MyTestComponentsLookup.ComponentA)).name);
            });

            var nameAgeComponent = new NameAgeComponent();

            nameAgeComponent.name = NAME;

            _entity = _context.CreateEntity();
            _entity.AddComponent(MyTestComponentsLookup.ComponentA, nameAgeComponent);
        }
Exemplo n.º 13
0
    void when_created()
    {
        IContext <TestEntity> ctx = null;

        before = () => {
            ctx = new MyTestContext();
        };

        it["increments creationIndex"] = () => {
            ctx.CreateEntity().creationIndex.should_be(0);
            ctx.CreateEntity().creationIndex.should_be(1);
        };

        it["starts with given creationIndex"] = () => {
            new MyTestContext(CID.TotalComponents, 42, null).CreateEntity().creationIndex.should_be(42);
        };

        it["has no entities when no entities were created"] = () => {
            ctx.GetEntities().should_be_empty();
        };

        it["gets total entity count"] = () => {
            ctx.count.should_be(0);
        };

        it["creates entity"] = () => {
            var e = ctx.CreateEntity();
            e.should_not_be_null();
            e.GetType().should_be(typeof(TestEntity));

            e.totalComponents.should_be(ctx.totalComponents);
            e.isEnabled.should_be_true();
        };

        it["has default ContextInfo"] = () => {
            ctx.contextInfo.name.should_be("Unnamed Context");
            ctx.contextInfo.componentNames.Length.should_be(CID.TotalComponents);
            for (int i = 0; i < ctx.contextInfo.componentNames.Length; i++)
            {
                ctx.contextInfo.componentNames[i].should_be("Index " + i);
            }
        };

        it["creates component pools"] = () => {
            ctx.componentPools.should_not_be_null();
            ctx.componentPools.Length.should_be(CID.TotalComponents);
        };

        it["creates entity with component pools"] = () => {
            var e = ctx.CreateEntity();
            e.componentPools.should_be_same(ctx.componentPools);
        };

        it["throws when destroying an entity which the context doesn't contain"] = expect <ContextDoesNotContainEntityException>(() => {
            var e = ctx.CreateEntity();
            ctx.DestroyEntity(e);
            ctx.DestroyEntity(e);
        });

        it["can ToString"] = () => {
            ctx.ToString().should_be("Unnamed Context");
        };

        context["when ContextInfo set"] = () => {
            ContextInfo contextInfo = null;

            before = () => {
                var componentNames = new [] { "Health", "Position", "View" };
                var componentTypes = new [] { typeof(ComponentA), typeof(ComponentB), typeof(ComponentC) };
                contextInfo = new ContextInfo("My Context", componentNames, componentTypes);
                ctx         = new MyTestContext(componentNames.Length, 0, contextInfo);
            };

            it["has custom ContextInfo"] = () => {
                ctx.contextInfo.should_be_same(contextInfo);
            };

            it["creates entity with same ContextInfo"] = () => {
                ctx.CreateEntity().contextInfo.should_be_same(contextInfo);
            };

            it["throws when componentNames is not same length as totalComponents"] = expect <ContextInfoException>(() => {
                new MyTestContext(contextInfo.componentNames.Length + 1, 0, contextInfo);
            });
        };

        context["when entity created"] = () => {
            TestEntity e = null;

            before = () => {
                e = ctx.CreateEntity();
                e.AddComponentA();
            };

            it["gets total entity count"] = () => {
                ctx.count.should_be(1);
            };

            it["has entities that were created with CreateEntity()"] = () => {
                ctx.HasEntity(e).should_be_true();
            };

            it["doesn't have entities that were not created with CreateEntity()"] = () => {
                ctx.HasEntity(this.CreateEntity()).should_be_false();
            };

            it["returns all created entities"] = () => {
                var e2       = ctx.CreateEntity();
                var entities = ctx.GetEntities();
                entities.Length.should_be(2);
                entities.should_contain(e);
                entities.should_contain(e2);
            };

            it["destroys entity and removes it"] = () => {
                ctx.DestroyEntity(e);
                ctx.HasEntity(e).should_be_false();
                ctx.count.should_be(0);
                ctx.GetEntities().should_be_empty();
            };

            it["destroys an entity and removes all its components"] = () => {
                ctx.DestroyEntity(e);
                e.GetComponents().should_be_empty();
            };

            it["destroys all entities"] = () => {
                ctx.CreateEntity();
                ctx.DestroyAllEntities();
                ctx.HasEntity(e).should_be_false();
                ctx.count.should_be(0);
                ctx.GetEntities().should_be_empty();
                e.GetComponents().should_be_empty();
            };

            it["ensures same deterministic order when getting entities after destroying all entities"] = () => {
                // This is a Unity specific problem. Run Unity Test Tools with in the Entitas.Unity project

                const int numEntities = 10;

                for (int i = 0; i < numEntities; i++)
                {
                    ctx.CreateEntity();
                }

                var order1    = new int[numEntities];
                var entities1 = ctx.GetEntities();
                for (int i = 0; i < numEntities; i++)
                {
                    order1[i] = entities1[i].creationIndex;
                }

                ctx.DestroyAllEntities();
                ctx.ResetCreationIndex();

                for (int i = 0; i < numEntities; i++)
                {
                    ctx.CreateEntity();
                }

                var order2    = new int[numEntities];
                var entities2 = ctx.GetEntities();
                for (int i = 0; i < numEntities; i++)
                {
                    order2[i] = entities2[i].creationIndex;
                }

                for (int i = 0; i < numEntities; i++)
                {
                    var index1 = order1[i];
                    var index2 = order2[i];
                    index1.should_be(index2);
                }
            };

            it["throws when destroying all entities and there are still entities retained"] = expect <ContextStillHasRetainedEntitiesException>(() => {
                ctx.CreateEntity().Retain(new object());
                ctx.DestroyAllEntities();
            });
        };

        context["internal caching"] = () => {
            it["caches entities"] = () => {
                var entities = ctx.GetEntities();
                ctx.GetEntities().should_be_same(entities);
            };

            it["updates entities cache when creating an entity"] = () => {
                var entities = ctx.GetEntities();
                ctx.CreateEntity();
                ctx.GetEntities().should_not_be_same(entities);
            };

            it["updates entities cache when destroying an entity"] = () => {
                var e        = ctx.CreateEntity();
                var entities = ctx.GetEntities();
                ctx.DestroyEntity(e);
                ctx.GetEntities().should_not_be_same(entities);
            };
        };

        context["events"] = () => {
            var didDispatch = 0;

            before = () => {
                didDispatch = 0;
            };

            it["dispatches OnEntityCreated when creating a new entity"] = () => {
                IEntity eventEntity = null;
                ctx.OnEntityCreated += (p, entity) => {
                    didDispatch += 1;
                    eventEntity  = entity;
                    p.should_be_same(p);
                };

                var e = ctx.CreateEntity();
                didDispatch.should_be(1);
                eventEntity.should_be_same(e);
            };

            it["dispatches OnEntityWillBeDestroyed when destroying an entity"] = () => {
                var e = ctx.CreateEntity();
                e.AddComponentA();
                ctx.OnEntityWillBeDestroyed += (c, entity) => {
                    didDispatch += 1;
                    c.should_be_same(ctx);
                    entity.should_be_same(e);
                    entity.HasComponentA().should_be_true();
                    entity.isEnabled.should_be_true();

                    ((IContext <TestEntity>)c).GetEntities().Length.should_be(0);
                };
                ctx.GetEntities();
                ctx.DestroyEntity(e);
                didDispatch.should_be(1);
            };

            it["dispatches OnEntityDestroyed when destroying an entity"] = () => {
                var e = ctx.CreateEntity();
                ctx.OnEntityDestroyed += (p, entity) => {
                    didDispatch += 1;
                    p.should_be_same(ctx);
                    entity.should_be_same(e);
                    entity.HasComponentA().should_be_false();
                    entity.isEnabled.should_be_false();
                };
                ctx.DestroyEntity(e);
                didDispatch.should_be(1);
            };

            it["entity is released after OnEntityDestroyed"] = () => {
                var e = ctx.CreateEntity();
                ctx.OnEntityDestroyed += (p, entity) => {
                    didDispatch += 1;
                    entity.retainCount.should_be(1);
                    var newEntity = ctx.CreateEntity();
                    newEntity.should_not_be_null();
                    newEntity.should_not_be_same(entity);
                };
                ctx.DestroyEntity(e);
                var reusedEntity = ctx.CreateEntity();
                reusedEntity.should_be_same(e);
                didDispatch.should_be(1);
            };

            it["throws if entity is released before it is destroyed"] = expect <EntityIsNotDestroyedException>(() => {
                var e = ctx.CreateEntity();
                e.Release(ctx);
            });

            it["dispatches OnGroupCreated when creating a new group"] = () => {
                IGroup eventGroup = null;
                ctx.OnGroupCreated += (p, g) => {
                    didDispatch += 1;
                    p.should_be_same(ctx);
                    eventGroup = g;
                };
                var group = ctx.GetGroup(Matcher <TestEntity> .AllOf(0));
                didDispatch.should_be(1);
                eventGroup.should_be_same(group);
            };

            it["doesn't dispatch OnGroupCreated when group alredy exists"] = () => {
                ctx.GetGroup(Matcher <TestEntity> .AllOf(0));
                ctx.OnGroupCreated += delegate { this.Fail(); };
                ctx.GetGroup(Matcher <TestEntity> .AllOf(0));
            };

            it["dispatches OnGroupCleared when clearing groups"] = () => {
                IGroup eventGroup = null;
                ctx.OnGroupCleared += (p, g) => {
                    didDispatch += 1;
                    p.should_be_same(ctx);
                    eventGroup = g;
                };
                ctx.GetGroup(Matcher <TestEntity> .AllOf(0));
                var group2 = ctx.GetGroup(Matcher <TestEntity> .AllOf(1));
                ctx.ClearGroups();

                didDispatch.should_be(2);
                eventGroup.should_be_same(group2);
            };

            it["removes all external delegates when destroying an entity"] = () => {
                var e = ctx.CreateEntity();
                e.OnComponentAdded    += delegate { this.Fail(); };
                e.OnComponentRemoved  += delegate { this.Fail(); };
                e.OnComponentReplaced += delegate { this.Fail(); };
                ctx.DestroyEntity(e);
                var e2 = ctx.CreateEntity();
                e2.should_be_same(e);
                e2.AddComponentA();
                e2.ReplaceComponentA(Component.A);
                e2.RemoveComponentA();
            };

            it["will not remove external delegates for OnEntityReleased"] = () => {
                var e          = ctx.CreateEntity();
                var didRelease = 0;
                e.OnEntityReleased += entity => didRelease += 1;
                ctx.DestroyEntity(e);
                didRelease.should_be(1);
            };

            it["removes all external delegates from OnEntityReleased when after being dispatched"] = () => {
                var e          = ctx.CreateEntity();
                var didRelease = 0;
                e.OnEntityReleased += entity => didRelease += 1;
                ctx.DestroyEntity(e);
                e.Retain(this);
                e.Release(this);
                didRelease.should_be(1);
            };

            it["removes all external delegates from OnEntityReleased after being dispatched (when delayed release)"] = () => {
                var e          = ctx.CreateEntity();
                var didRelease = 0;
                e.OnEntityReleased += entity => didRelease += 1;
                e.Retain(this);
                ctx.DestroyEntity(e);
                didRelease.should_be(0);
                e.Release(this);
                didRelease.should_be(1);

                e.Retain(this);
                e.Release(this);
                didRelease.should_be(1);
            };
        };

        context["entity pool"] = () => {
            it["gets entity from object pool"] = () => {
                var e = ctx.CreateEntity();
                e.should_not_be_null();
                e.GetType().should_be(typeof(TestEntity));
            };

            it["destroys entity when pushing back to object pool"] = () => {
                var e = ctx.CreateEntity();
                e.AddComponentA();
                ctx.DestroyEntity(e);
                e.HasComponent(CID.ComponentA).should_be_false();
            };

            it["returns pushed entity"] = () => {
                var e = ctx.CreateEntity();
                e.AddComponentA();
                ctx.DestroyEntity(e);
                var entity = ctx.CreateEntity();
                entity.HasComponent(CID.ComponentA).should_be_false();
                entity.should_be_same(e);
            };

            it["only returns released entities"] = () => {
                var e1 = ctx.CreateEntity();
                e1.Retain(this);
                ctx.DestroyEntity(e1);
                var e2 = ctx.CreateEntity();
                e2.should_not_be_same(e1);
                e1.Release(this);
                var e3 = ctx.CreateEntity();
                e3.should_be_same(e1);
            };

            it["returns new entity"] = () => {
                var e1 = ctx.CreateEntity();
                e1.AddComponentA();
                ctx.DestroyEntity(e1);
                ctx.CreateEntity();
                var e2 = ctx.CreateEntity();
                e2.HasComponent(CID.ComponentA).should_be_false();
                e2.should_not_be_same(e1);
            };

            it["sets up entity from pool"] = () => {
                var e             = ctx.CreateEntity();
                var creationIndex = e.creationIndex;
                ctx.DestroyEntity(e);
                var g = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA));

                e = ctx.CreateEntity();
                e.creationIndex.should_be(creationIndex + 1);
                e.isEnabled.should_be_true();

                e.AddComponentA();
                g.GetEntities().should_contain(e);
            };

            context["when entity gets destroyed"] = () => {
                TestEntity e = null;

                before = () => {
                    e = ctx.CreateEntity();
                    e.AddComponentA();
                    ctx.DestroyEntity(e);
                };

                it["throws when adding component"]              = expect <EntityIsNotEnabledException>(() => e.AddComponentA());
                it["throws when removing component"]            = expect <EntityIsNotEnabledException>(() => e.RemoveComponentA());
                it["throws when replacing component"]           = expect <EntityIsNotEnabledException>(() => e.ReplaceComponentA(new ComponentA()));
                it["throws when replacing component with null"] = expect <EntityIsNotEnabledException>(() => e.ReplaceComponentA(null));
            };
        };

        context["groups"] = () => {
            it["gets empty group for matcher when no entities were created"] = () => {
                var g = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA));
                g.should_not_be_null();
                g.GetEntities().should_be_empty();
            };

            context["when entities created"] = () => {
                TestEntity eAB1 = null;
                TestEntity eAB2 = null;
                TestEntity eA   = null;

                IMatcher <TestEntity> matcherAB = Matcher <TestEntity> .AllOf(new [] {
                    CID.ComponentA,
                    CID.ComponentB
                });

                before = () => {
                    eAB1 = ctx.CreateEntity();
                    eAB1.AddComponentA();
                    eAB1.AddComponentB();

                    eAB2 = ctx.CreateEntity();
                    eAB2.AddComponentA();
                    eAB2.AddComponentB();

                    eA = ctx.CreateEntity();
                    eA.AddComponentA();
                };

                it["gets group with matching entities"] = () => {
                    var g = ctx.GetGroup(matcherAB).GetEntities();
                    g.Length.should_be(2);
                    g.should_contain(eAB1);
                    g.should_contain(eAB2);
                };

                it["gets cached group"] = () => {
                    ctx.GetGroup(matcherAB).should_be_same(ctx.GetGroup(matcherAB));
                };

                it["cached group contains newly created matching entity"] = () => {
                    var g = ctx.GetGroup(matcherAB);
                    eA.AddComponentB();
                    g.GetEntities().should_contain(eA);
                };

                it["cached group doesn't contain entity which are not matching anymore"] = () => {
                    var g = ctx.GetGroup(matcherAB);
                    eAB1.RemoveComponentA();
                    g.GetEntities().should_not_contain(eAB1);
                };

                it["removes destroyed entity"] = () => {
                    var g = ctx.GetGroup(matcherAB);
                    ctx.DestroyEntity(eAB1);
                    g.GetEntities().should_not_contain(eAB1);
                };

                it["group dispatches OnEntityRemoved and OnEntityAdded when replacing components"] = () => {
                    var g = ctx.GetGroup(matcherAB);
                    var didDispatchRemoved = 0;
                    var didDispatchAdded   = 0;
                    var componentA         = new ComponentA();
                    g.OnEntityRemoved += (group, entity, index, component) => {
                        group.should_be_same(g);
                        entity.should_be_same(eAB1);
                        index.should_be(CID.ComponentA);
                        component.should_be_same(Component.A);
                        didDispatchRemoved++;
                    };
                    g.OnEntityAdded += (group, entity, index, component) => {
                        group.should_be_same(g);
                        entity.should_be_same(eAB1);
                        index.should_be(CID.ComponentA);
                        component.should_be_same(componentA);
                        didDispatchAdded++;
                    };
                    eAB1.ReplaceComponentA(componentA);

                    didDispatchRemoved.should_be(1);
                    didDispatchAdded.should_be(1);
                };

                it["group dispatches OnEntityUpdated with previous and current component when replacing a component"] = () => {
                    var updated  = 0;
                    var prevComp = eA.GetComponent(CID.ComponentA);
                    var newComp  = new ComponentA();
                    var g        = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA));
                    g.OnEntityUpdated += (group, entity, index, previousComponent, newComponent) => {
                        updated += 1;
                        group.should_be_same(g);
                        entity.should_be_same(eA);
                        index.should_be(CID.ComponentA);
                        previousComponent.should_be_same(prevComp);
                        newComponent.should_be_same(newComp);
                    };

                    eA.ReplaceComponent(CID.ComponentA, newComp);

                    updated.should_be(1);
                };

                it["group with matcher NoneOf doesn't dispatch OnEntityAdded when destroying entity"] = () => {
                    var e = ctx.CreateEntity()
                            .AddComponentA()
                            .AddComponentB();
                    var matcher = Matcher <TestEntity> .AllOf(CID.ComponentB).NoneOf(CID.ComponentA);

                    var g = ctx.GetGroup(matcher);
                    g.OnEntityAdded += delegate { this.Fail(); };
                    ctx.DestroyEntity(e);
                };

                context["event timing"] = () => {
                    before = () => {
                        ctx = new MyTestContext();
                    };

                    it["dispatches group.OnEntityAdded events after all groups are updated"] = () => {
                        var groupA = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA, CID.ComponentB));
                        var groupB = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentB));

                        groupA.OnEntityAdded += delegate {
                            groupB.count.should_be(1);
                        };

                        var entity = ctx.CreateEntity();
                        entity.AddComponentA();
                        entity.AddComponentB();
                    };

                    it["dispatches group.OnEntityRemoved events after all groups are updated"] = () => {
                        ctx = new MyTestContext();
                        var groupB  = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentB));
                        var groupAB = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA, CID.ComponentB));

                        groupB.OnEntityRemoved += delegate {
                            groupAB.count.should_be(0);
                        };

                        var entity = ctx.CreateEntity();
                        entity.AddComponentA();
                        entity.AddComponentB();

                        entity.RemoveComponentB();
                    };
                };
            };
        };

        context["EntityIndex"] = () => {
            it["throws when EntityIndex for key doesn't exist"] = expect <ContextEntityIndexDoesNotExistException>(() => {
                ctx.GetEntityIndex("unknown");
            });

            it["adds and EntityIndex"] = () => {
                const int componentIndex = 1;
                var       entityIndex    = new PrimaryEntityIndex <TestEntity, string>(ctx.GetGroup(Matcher <TestEntity> .AllOf(componentIndex)), (arg1, arg2) => string.Empty);
                ctx.AddEntityIndex(componentIndex.ToString(), entityIndex);
                ctx.GetEntityIndex(componentIndex.ToString()).should_be_same(entityIndex);
            };

            it["throws when adding an EntityIndex with same name"] = expect <ContextEntityIndexDoesAlreadyExistException>(() => {
                const int componentIndex = 1;
                var entityIndex          = new PrimaryEntityIndex <TestEntity, string>(ctx.GetGroup(Matcher <TestEntity> .AllOf(componentIndex)), (arg1, arg2) => string.Empty);
                ctx.AddEntityIndex(componentIndex.ToString(), entityIndex);
                ctx.AddEntityIndex(componentIndex.ToString(), entityIndex);
            });
        };

        context["reset"] = () => {
            context["groups"] = () => {
                it["resets and removes groups from context"] = () => {
                    var m = Matcher <TestEntity> .AllOf(CID.ComponentA);

                    var    groupsCreated = 0;
                    IGroup createdGroup  = null;
                    ctx.OnGroupCreated += (p, g) => {
                        groupsCreated += 1;
                        createdGroup   = g;
                    };

                    var initialGroup = ctx.GetGroup(m);

                    ctx.ClearGroups();

                    ctx.GetGroup(m);

                    ctx.CreateEntity().AddComponentA();

                    groupsCreated.should_be(2);
                    createdGroup.should_not_be_same(initialGroup);

                    initialGroup.count.should_be(0);
                    createdGroup.count.should_be(1);
                };

                it["removes all event handlers from groups"] = () => {
                    var m = Matcher <TestEntity> .AllOf(CID.ComponentA);

                    var group = ctx.GetGroup(m);

                    group.OnEntityAdded += delegate { this.Fail(); };

                    ctx.ClearGroups();

                    var e = ctx.CreateEntity();
                    e.AddComponentA();
                    group.HandleEntity(e, CID.ComponentA, Component.A);
                };

                it["releases entities in groups"] = () => {
                    var m = Matcher <TestEntity> .AllOf(CID.ComponentA);

                    ctx.GetGroup(m);
                    var entity = ctx.CreateEntity();
                    entity.AddComponentA();

                    ctx.ClearGroups();

                    entity.retainCount.should_be(1);
                };
            };

            context["context"] = () => {
                it["resets creation index"] = () => {
                    ctx.CreateEntity();

                    ctx.ResetCreationIndex();

                    ctx.CreateEntity().creationIndex.should_be(0);
                };


                context["removes all event handlers"] = () => {
                    it["removes OnEntityCreated"] = () => {
                        ctx.OnEntityCreated += delegate { this.Fail(); };
                        ctx.Reset();

                        ctx.CreateEntity();
                    };

                    it["removes OnEntityWillBeDestroyed"] = () => {
                        ctx.OnEntityWillBeDestroyed += delegate { this.Fail(); };
                        ctx.Reset();

                        ctx.DestroyEntity(ctx.CreateEntity());
                    };

                    it["removes OnEntityDestroyed"] = () => {
                        ctx.OnEntityDestroyed += delegate { this.Fail(); };
                        ctx.Reset();

                        ctx.DestroyEntity(ctx.CreateEntity());
                    };

                    it["removes OnGroupCreated"] = () => {
                        ctx.OnGroupCreated += delegate { this.Fail(); };
                        ctx.Reset();

                        ctx.GetGroup(Matcher <TestEntity> .AllOf(0));
                    };

                    it["removes OnGroupCleared"] = () => {
                        ctx.OnGroupCleared += delegate { this.Fail(); };
                        ctx.Reset();
                        ctx.GetGroup(Matcher <TestEntity> .AllOf(0));

                        ctx.ClearGroups();
                    };
                };
            };

            context["component pools"] = () => {
                before = () => {
                    var entity = ctx.CreateEntity();
                    entity.AddComponentA();
                    entity.AddComponentB();
                    entity.RemoveComponentA();
                    entity.RemoveComponentB();
                };

                it["clears all component pools"] = () => {
                    ctx.componentPools[CID.ComponentA].Count.should_be(1);
                    ctx.componentPools[CID.ComponentB].Count.should_be(1);

                    ctx.ClearComponentPools();

                    ctx.componentPools[CID.ComponentA].Count.should_be(0);
                    ctx.componentPools[CID.ComponentB].Count.should_be(0);
                };

                it["clears a specific component pool"] = () => {
                    ctx.ClearComponentPool(CID.ComponentB);

                    ctx.componentPools[CID.ComponentA].Count.should_be(1);
                    ctx.componentPools[CID.ComponentB].Count.should_be(0);
                };

                it["only clears existing component pool"] = () => {
                    ctx.ClearComponentPool(CID.ComponentC);
                };
            };

            context["EntityIndex"] = () => {
                PrimaryEntityIndex <TestEntity, string> entityIndex = null;

                before = () => {
                    entityIndex = new PrimaryEntityIndex <TestEntity, string>(ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA)),
                                                                              (e, c) => ((NameAgeComponent)(c)).name);
                    ctx.AddEntityIndex(CID.ComponentA.ToString(), entityIndex);
                };

                it["deactivates EntityIndex"] = () => {
                    var nameAgeComponent = new NameAgeComponent();
                    nameAgeComponent.name = "Max";

                    ctx.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
                    entityIndex.HasEntity("Max").should_be_true();

                    ctx.DeactivateAndRemoveEntityIndices();

                    entityIndex.HasEntity("Max").should_be_false();
                };

                it["removes EntityIndex"] = expect <ContextEntityIndexDoesNotExistException>(() => {
                    ctx.DeactivateAndRemoveEntityIndices();
                    ctx.GetEntityIndex(CID.ComponentA.ToString());
                });
            };
        };

        context["EntitasCache"] = () => {
            it["pops new list from list pool"] = () => {
                var groupA   = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA));
                var groupAB  = ctx.GetGroup(Matcher <TestEntity> .AnyOf(CID.ComponentA, CID.ComponentB));
                var groupABC = ctx.GetGroup(Matcher <TestEntity> .AnyOf(CID.ComponentA, CID.ComponentB, CID.ComponentC));

                var didExecute = 0;

                groupA.OnEntityAdded += (g, entity, index, component) => {
                    didExecute += 1;
                    entity.RemoveComponentA();
                };

                groupAB.OnEntityAdded += (g, entity, index, component) => {
                    didExecute += 1;
                };

                groupABC.OnEntityAdded += (g, entity, index, component) => {
                    didExecute += 1;
                };

                ctx.CreateEntity().AddComponentA();

                didExecute.should_be(3);
            };
        };
    }
    void when_throwing()
    {
        before = () => {
            var componentNames = new [] { "Health", "Position", "View" };
            var metaData       = new PoolMetaData("My Pool", componentNames, null);
            _pool   = new Pool(componentNames.Length, 42, metaData);
            _entity = createEntity();
        };

        it["creates exception with hint separated by newLine"] = () => {
            // given
            const string msg  = "Message";
            const string hint = "Hint";
            var          ex   = new EntitasException(msg, hint);

            // then
            ex.Message.should_be(msg + "\n" + hint);
        };

        it["ignores hint when null"] = () => {
            // given
            const string msg  = "Message";
            string       hint = null;
            var          ex   = new EntitasException(msg, hint);

            // then
            ex.Message.should_be(msg);
        };

        context["Entity"] = () => {
            context["when not enabled"] = () => {
                before = () => {
                    _pool.DestroyEntity(_entity);
                };

                it["add a component"]     = () => printErrorMessage(() => _entity.AddComponentA());
                it["remove a component"]  = () => printErrorMessage(() => _entity.RemoveComponentA());
                it["replace a component"] = () => printErrorMessage(() => _entity.ReplaceComponentA(Component.A));
            };

            context["when enabled"] = () => {
                it["add a component twice"] = () => printErrorMessage(() => {
                    _entity.AddComponentA();
                    _entity.AddComponentA();
                });

                it["remove a component that doesn't exist"] = () => printErrorMessage(() => {
                    _entity.RemoveComponentA();
                });

                it["get a component that doesn't exist"] = () => printErrorMessage(() => {
                    _entity.GetComponentA();
                });

                it["retain an entity twice"] = () => printErrorMessage(() => {
                    var owner = new object();
                    _entity.Retain(owner);
                    _entity.Retain(owner);
                });

                it["release an entity with wrong owner"] = () => printErrorMessage(() => {
                    var owner = new object();
                    _entity.Release(owner);
                });
            };
        };

        context["Group"] = () => {
            it["get single entity when multiple exist"] = () => printErrorMessage(() => {
                createEntityA();
                createEntityA();
                var matcher            = createMatcherA();
                matcher.componentNames = _pool.metaData.componentNames;
                var group = _pool.GetGroup(matcher);
                group.GetSingleEntity();
            });
        };

        context["GroupObserver"] = () => {
            it["unbalanced goups"] = () => printErrorMessage(() => {
                var g1 = new Group(Matcher.AllOf(CID.ComponentA));
                var g2 = new Group(Matcher.AllOf(CID.ComponentB));
                var e1 = GroupEventType.OnEntityAdded;

                new GroupObserver(new [] { g1, g2 }, new [] { e1 });
            });
        };

        context["Pool"] = () => {
            it["wrong PoolMetaData componentNames count"] = () => printErrorMessage(() => {
                var componentNames = new [] { "Health", "Position", "View" };
                var metaData       = new PoolMetaData("My Pool", componentNames, null);
                new Pool(1, 0, metaData);
            });

            it["destroy entity which is not in pool"] = () => printErrorMessage(() => {
                _pool.DestroyEntity(new Entity(0, null));
            });

            it["destroy retained entities"] = () => printErrorMessage(() => {
                createEntity().Retain(this);
                _pool.DestroyAllEntities();
            });

            it["releases entity before destroy"] = () => printErrorMessage(() => {
                _entity.Release(_pool);
            });

            it["unknown entityIndex"] = () => printErrorMessage(() => {
                _pool.GetEntityIndex("unknown");
            });

            it["duplicate entityIndex"] = () => printErrorMessage(() => {
                var index = new PrimaryEntityIndex <string>(getGroupA(), null);
                _pool.AddEntityIndex("duplicate", index);
                _pool.AddEntityIndex("duplicate", index);
            });
        };

        context["CollectionExtension"] = () => {
            it["get single entity when more than one exist"] = () => printErrorMessage(() => {
                new Entity[2].SingleEntity();
            });
        };

        context["ComponentBlueprint"] = () => {
            it["type doesn't implement IComponent"] = () => printErrorMessage(() => {
                var componentBlueprint          = new ComponentBlueprint();
                componentBlueprint.fullTypeName = "string";
                componentBlueprint.CreateComponent(_entity);
            });

            it["type doesn't exist"] = () => printErrorMessage(() => {
                var componentBlueprint          = new ComponentBlueprint();
                componentBlueprint.fullTypeName = "UnknownType";
                componentBlueprint.CreateComponent(_entity);
            });

            it["invalid field name"] = () => printErrorMessage(() => {
                var componentBlueprint          = new ComponentBlueprint();
                componentBlueprint.index        = 0;
                componentBlueprint.fullTypeName = typeof(NameAgeComponent).FullName;
                componentBlueprint.members      = new [] {
                    new SerializableMember("xxx", "publicFieldValue"),
                    new SerializableMember("publicProperty", "publicPropertyValue")
                };
                componentBlueprint.CreateComponent(_entity);
            });
        };

        context["EntityIndex"] = () => {
            it["no entity with key"] = () => printErrorMessage(() => {
                createPrimaryIndex().GetEntity("unknownKey");
            });

            it["multiple entities for primary key"] = () => printErrorMessage(() => {
                createPrimaryIndex();
                var nameAge = createNameAge();
                _pool.CreateEntity().AddComponent(CID.ComponentA, nameAge);
                _pool.CreateEntity().AddComponent(CID.ComponentA, nameAge);
            });
        };
    }
Exemplo n.º 15
0
    void when_created()
    {
        Context ctx = null;

        before = () => {
            ctx = new Context(CID.TotalComponents);
        };

        it["increments creationIndex"] = () => {
            ctx.CreateEntity().creationIndex.should_be(0);
            ctx.CreateEntity().creationIndex.should_be(1);
        };

        it["starts with given creationIndex"] = () => {
            new Context(CID.TotalComponents, 42, null).CreateEntity().creationIndex.should_be(42);
        };

        it["has no entities when no entities were created"] = () => {
            ctx.GetEntities().should_be_empty();
        };

        it["gets total entity count"] = () => {
            ctx.count.should_be(0);
        };

        it["creates entity"] = () => {
            var e = ctx.CreateEntity();
            e.should_not_be_null();
            e.GetType().should_be(typeof(Entity));
        };

        it["has default ContextInfo"] = () => {
            ctx.contextInfo.name.should_be("Unnamed Context");
            ctx.contextInfo.componentNames.Length.should_be(CID.TotalComponents);
            for (int i = 0; i < ctx.contextInfo.componentNames.Length; i++) {
                ctx.contextInfo.componentNames[i].should_be("Index " + i);
            }
        };

        it["creates component pools"] = () => {
            ctx.componentPools.should_not_be_null();
            ctx.componentPools.Length.should_be(CID.TotalComponents);
        };

        it["creates entity with component pools"] = () => {
            var e = ctx.CreateEntity();
            e.componentPools.should_be_same(ctx.componentPools);
        };

        it["throws when destroying an entity which the context doesn't contain"] = expect<ContextDoesNotContainEntityException>(() => {
            var e = ctx.CreateEntity();
            ctx.DestroyEntity(e);
            ctx.DestroyEntity(e);
        });

        it["can ToString"] = () => {
            ctx.ToString().should_be("Unnamed Context");
        };

        context["when ContextInfo set"] = () => {

            ContextInfo contextInfo = null;

            before = () => {
                var componentNames = new [] { "Health", "Position", "View" };
                var componentTypes = new [] { typeof(ComponentA), typeof(ComponentB), typeof(ComponentC) };
                contextInfo = new ContextInfo("My Context", componentNames, componentTypes);
                ctx = new Context(componentNames.Length, 0, contextInfo);
            };

            it["has custom ContextInfo"] = () => {
                ctx.contextInfo.should_be_same(contextInfo);
            };

            it["creates entity with same ContextInfo"] = () => {
                ctx.CreateEntity().contextInfo.should_be_same(contextInfo);
            };

            it["throws when componentNames is not same length as totalComponents"] = expect<ContextInfoException>(() => {
                new Context(contextInfo.componentNames.Length + 1, 0, contextInfo);
            });
        };

        context["when entity created"] = () => {

            Entity e = null;

            before = () => {
                e = ctx.CreateEntity();
                e.AddComponentA();
            };

            it["gets total entity count"] = () => {
                ctx.count.should_be(1);
            };

            it["has entities that were created with CreateEntity()"] = () => {
                ctx.HasEntity(e).should_be_true();
            };

            it["doesn't have entities that were not created with CreateEntity()"] = () => {
                ctx.HasEntity(this.CreateEntity()).should_be_false();
            };

            it["returns all created entities"] = () => {
                var e2 = ctx.CreateEntity();
                var entities = ctx.GetEntities();
                entities.Length.should_be(2);
                entities.should_contain(e);
                entities.should_contain(e2);
            };

            it["destroys entity and removes it"] = () => {
                ctx.DestroyEntity(e);
                ctx.HasEntity(e).should_be_false();
                ctx.count.should_be(0);
                ctx.GetEntities().should_be_empty();
            };

            it["destroys an entity and removes all its components"] = () => {
                ctx.DestroyEntity(e);
                e.GetComponents().should_be_empty();
            };

            it["destroys all entities"] = () => {
                ctx.CreateEntity();
                ctx.DestroyAllEntities();
                ctx.HasEntity(e).should_be_false();
                ctx.count.should_be(0);
                ctx.GetEntities().should_be_empty();
                e.GetComponents().should_be_empty();
            };

            it["ensures same deterministic order when getting entities after destroying all entities"] = () => {

                // This is a Unity specific problem. Run Unity Test Tools with in the Entitas.Unity project

                const int numEntities = 10;

                for (int i = 0; i < numEntities; i++) {
                    ctx.CreateEntity();
                }

                var order1 = new int[numEntities];
                var entities1 = ctx.GetEntities();
                for (int i = 0; i < numEntities; i++) {
                    order1[i] = entities1[i].creationIndex;
                }

                ctx.DestroyAllEntities();
                ctx.ResetCreationIndex();

                for (int i = 0; i < numEntities; i++) {
                    ctx.CreateEntity();
                }

                var order2 = new int[numEntities];
                var entities2 = ctx.GetEntities();
                for (int i = 0; i < numEntities; i++) {
                    order2[i] = entities2[i].creationIndex;
                }

                for (int i = 0; i < numEntities; i++) {
                    var index1 = order1[i];
                    var index2 = order2[i];
                    index1.should_be(index2);
                }
            };

            it["throws when destroying all entities and there are still entities retained"] = expect<ContextStillHasRetainedEntitiesException>(() => {
                ctx.CreateEntity().Retain(new object());
                ctx.DestroyAllEntities();
            });
        };

        context["internal caching"] = () => {

            it["caches entities"] = () => {
                var entities = ctx.GetEntities();
                ctx.GetEntities().should_be_same(entities);
            };

            it["updates entities cache when creating an entity"] = () => {
                var entities = ctx.GetEntities();
                ctx.CreateEntity();
                ctx.GetEntities().should_not_be_same(entities);
            };

            it["updates entities cache when destroying an entity"] = () => {
                var e = ctx.CreateEntity();
                var entities = ctx.GetEntities();
                ctx.DestroyEntity(e);
                ctx.GetEntities().should_not_be_same(entities);
            };
        };

        context["events"] = () => {

            var didDispatch = 0;

            before = () => {
                didDispatch = 0;
            };

            it["dispatches OnEntityCreated when creating a new entity"] = () => {
                Entity eventEntity = null;
                ctx.OnEntityCreated += (p, entity) => {
                    didDispatch += 1;
                    eventEntity = entity;
                    p.should_be_same(p);
                };

                var e = ctx.CreateEntity();
                didDispatch.should_be(1);
                eventEntity.should_be_same(e);
            };

            it["dispatches OnEntityWillBeDestroyed when destroying an entity"] = () => {
                var e = ctx.CreateEntity();
                e.AddComponentA();
                ctx.OnEntityWillBeDestroyed += (p, entity) => {
                    didDispatch += 1;
                    p.should_be_same(ctx);
                    entity.should_be_same(e);
                    entity.HasComponentA().should_be_true();
                    entity.isEnabled.should_be_true();

                    p.GetEntities().Length.should_be(0);
                };
                ctx.GetEntities();
                ctx.DestroyEntity(e);
                didDispatch.should_be(1);
            };

            it["dispatches OnEntityDestroyed when destroying an entity"] = () => {
                var e = ctx.CreateEntity();
                ctx.OnEntityDestroyed += (p, entity) => {
                    didDispatch += 1;
                    p.should_be_same(ctx);
                    entity.should_be_same(e);
                    entity.HasComponentA().should_be_false();
                    entity.isEnabled.should_be_false();
                };
                ctx.DestroyEntity(e);
                didDispatch.should_be(1);
            };

            it["entity is released after OnEntityDestroyed"] = () => {
                var e = ctx.CreateEntity();
                ctx.OnEntityDestroyed += (p, entity) => {
                    didDispatch += 1;
                    entity.retainCount.should_be(1);
                    var newEntity = ctx.CreateEntity();
                    newEntity.should_not_be_null();
                    newEntity.should_not_be_same(entity);
                };
                ctx.DestroyEntity(e);
                var reusedEntity = ctx.CreateEntity();
                reusedEntity.should_be_same(e);
                didDispatch.should_be(1);
            };

            it["throws if entity is released before it is destroyed"] = expect<EntityIsNotDestroyedException>(() => {
                var e = ctx.CreateEntity();
                e.Release(ctx);
            });

            it["dispatches OnGroupCreated when creating a new group"] = () => {
                Group eventGroup = null;
                ctx.OnGroupCreated += (p, g) => {
                    didDispatch += 1;
                    p.should_be_same(ctx);
                    eventGroup = g;
                };
                var group = ctx.GetGroup(Matcher.AllOf(0));
                didDispatch.should_be(1);
                eventGroup.should_be_same(group);
            };

            it["doesn't dispatch OnGroupCreated when group alredy exists"] = () => {
                ctx.GetGroup(Matcher.AllOf(0));
                ctx.OnGroupCreated += delegate { this.Fail(); };
                ctx.GetGroup(Matcher.AllOf(0));
            };

            it["dispatches OnGroupCleared when clearing groups"] = () => {
                Group eventGroup = null;
                ctx.OnGroupCleared += (p, g) => {
                    didDispatch += 1;
                    p.should_be_same(ctx);
                    eventGroup = g;
                };
                ctx.GetGroup(Matcher.AllOf(0));
                var group2 = ctx.GetGroup(Matcher.AllOf(1));
                ctx.ClearGroups();

                didDispatch.should_be(2);
                eventGroup.should_be_same(group2);
            };

            it["removes all external delegates when destroying an entity"] = () => {
                var e = ctx.CreateEntity();
                e.OnComponentAdded += delegate { this.Fail(); };
                e.OnComponentRemoved += delegate { this.Fail(); };
                e.OnComponentReplaced += delegate { this.Fail(); };
                ctx.DestroyEntity(e);
                var e2 = ctx.CreateEntity();
                e2.should_be_same(e);
                e2.AddComponentA();
                e2.ReplaceComponentA(Component.A);
                e2.RemoveComponentA();
            };

            it["will not remove external delegates for OnEntityReleased"] = () => {
                var e = ctx.CreateEntity();
                var didRelease = 0;
                e.OnEntityReleased += entity => didRelease += 1;
                ctx.DestroyEntity(e);
                didRelease.should_be(1);
            };

            it["removes all external delegates from OnEntityReleased when after being dispatched"] = () => {
                var e = ctx.CreateEntity();
                var didRelease = 0;
                e.OnEntityReleased += entity => didRelease += 1;
                ctx.DestroyEntity(e);
                e.Retain(this);
                e.Release(this);
                didRelease.should_be(1);
            };

            it["removes all external delegates from OnEntityReleased after being dispatched (when delayed release)"] = () => {
                var e = ctx.CreateEntity();
                var didRelease = 0;
                e.OnEntityReleased += entity => didRelease += 1;
                e.Retain(this);
                ctx.DestroyEntity(e);
                didRelease.should_be(0);
                e.Release(this);
                didRelease.should_be(1);

                e.Retain(this);
                e.Release(this);
                didRelease.should_be(1);
            };
        };

        context["entity pool"] = () => {

            it["gets entity from object pool"] = () => {
                var e = ctx.CreateEntity();
                e.should_not_be_null();
                e.GetType().should_be(typeof(Entity));
            };

            it["destroys entity when pushing back to object pool"] = () => {
                var e = ctx.CreateEntity();
                e.AddComponentA();
                ctx.DestroyEntity(e);
                e.HasComponent(CID.ComponentA).should_be_false();
            };

            it["returns pushed entity"] = () => {
                var e = ctx.CreateEntity();
                e.AddComponentA();
                ctx.DestroyEntity(e);
                var entity = ctx.CreateEntity();
                entity.HasComponent(CID.ComponentA).should_be_false();
                entity.should_be_same(e);
            };

            it["only returns released entities"] = () => {
                var e1 = ctx.CreateEntity();
                e1.Retain(this);
                ctx.DestroyEntity(e1);
                var e2 = ctx.CreateEntity();
                e2.should_not_be_same(e1);
                e1.Release(this);
                var e3 = ctx.CreateEntity();
                e3.should_be_same(e1);
            };

            it["returns new entity"] = () => {
                var e1 = ctx.CreateEntity();
                e1.AddComponentA();
                ctx.DestroyEntity(e1);
                ctx.CreateEntity();
                var e2 = ctx.CreateEntity();
                e2.HasComponent(CID.ComponentA).should_be_false();
                e2.should_not_be_same(e1);
            };

            it["sets up entity from pool"] = () => {
                ctx.DestroyEntity(ctx.CreateEntity());
                var g = ctx.GetGroup(Matcher.AllOf(CID.ComponentA));
                var e = ctx.CreateEntity();
                e.AddComponentA();
                g.GetEntities().should_contain(e);
            };

            context["when entity gets destroyed"] = () => {

                Entity e = null;

                before = () => {
                    e = ctx.CreateEntity();
                    e.AddComponentA();
                    ctx.DestroyEntity(e);
                };

                it["throws when adding component"] = expect<EntityIsNotEnabledException>(() => e.AddComponentA());
                it["throws when removing component"] = expect<EntityIsNotEnabledException>(() => e.RemoveComponentA());
                it["throws when replacing component"] = expect<EntityIsNotEnabledException>(() => e.ReplaceComponentA(new ComponentA()));
                it["throws when replacing component with null"] = expect<EntityIsNotEnabledException>(() => e.ReplaceComponentA(null));
            };
        };

        context["groups"] = () => {

            it["gets empty group for matcher when no entities were created"] = () => {
                var g = ctx.GetGroup(Matcher.AllOf(CID.ComponentA));
                g.should_not_be_null();
                g.GetEntities().should_be_empty();
            };

            context["when entities created"] = () => {

                Entity eAB1 = null;
                Entity eAB2 = null;
                Entity eA = null;

                IMatcher matcherAB = Matcher.AllOf(new [] {
                    CID.ComponentA,
                    CID.ComponentB
                });

                before = () => {
                    eAB1 = ctx.CreateEntity();
                    eAB1.AddComponentA();
                    eAB1.AddComponentB();

                    eAB2 = ctx.CreateEntity();
                    eAB2.AddComponentA();
                    eAB2.AddComponentB();

                    eA = ctx.CreateEntity();
                    eA.AddComponentA();
                };

                it["gets group with matching entities"] = () => {
                    var g = ctx.GetGroup(matcherAB).GetEntities();
                    g.Length.should_be(2);
                    g.should_contain(eAB1);
                    g.should_contain(eAB2);
                };

                it["gets cached group"] = () => {
                    ctx.GetGroup(matcherAB).should_be_same(ctx.GetGroup(matcherAB));
                };

                it["cached group contains newly created matching entity"] = () => {
                    var g = ctx.GetGroup(matcherAB);
                    eA.AddComponentB();
                    g.GetEntities().should_contain(eA);
                };

                it["cached group doesn't contain entity which are not matching anymore"] = () => {
                    var g = ctx.GetGroup(matcherAB);
                    eAB1.RemoveComponentA();
                    g.GetEntities().should_not_contain(eAB1);
                };

                it["removes destroyed entity"] = () => {
                    var g = ctx.GetGroup(matcherAB);
                    ctx.DestroyEntity(eAB1);
                    g.GetEntities().should_not_contain(eAB1);
                };

                it["group dispatches OnEntityRemoved and OnEntityAdded when replacing components"] = () => {
                    var g = ctx.GetGroup(matcherAB);
                    var didDispatchRemoved = 0;
                    var didDispatchAdded = 0;
                    var componentA = new ComponentA();
                    g.OnEntityRemoved += (group, entity, index, component) => {
                        group.should_be_same(g);
                        entity.should_be_same(eAB1);
                        index.should_be(CID.ComponentA);
                        component.should_be_same(Component.A);
                        didDispatchRemoved++;
                    };
                    g.OnEntityAdded += (group, entity, index, component) => {
                        group.should_be_same(g);
                        entity.should_be_same(eAB1);
                        index.should_be(CID.ComponentA);
                        component.should_be_same(componentA);
                        didDispatchAdded++;
                    };
                    eAB1.ReplaceComponentA(componentA);

                    didDispatchRemoved.should_be(1);
                    didDispatchAdded.should_be(1);
                };

                it["group dispatches OnEntityUpdated with previous and current component when replacing a component"] = () => {
                    var updated = 0;
                    var prevComp = eA.GetComponent(CID.ComponentA);
                    var newComp = new ComponentA();
                    var g = ctx.GetGroup(Matcher.AllOf(CID.ComponentA));
                    g.OnEntityUpdated += (group, entity, index, previousComponent, newComponent) => {
                        updated += 1;
                        group.should_be_same(g);
                        entity.should_be_same(eA);
                        index.should_be(CID.ComponentA);
                        previousComponent.should_be_same(prevComp);
                        newComponent.should_be_same(newComp);
                    };

                    eA.ReplaceComponent(CID.ComponentA, newComp);

                    updated.should_be(1);
                };

                it["group with matcher NoneOf doesn't dispatch OnEntityAdded when destroying entity"] = () => {
                    var e = ctx.CreateEntity()
                                .AddComponentA()
                                .AddComponentB();
                    var matcher = Matcher.AllOf(CID.ComponentB).NoneOf(CID.ComponentA);
                    var g = ctx.GetGroup(matcher);
                    g.OnEntityAdded += delegate { this.Fail(); };
                    ctx.DestroyEntity(e);
                };

                context["event timing"] = () => {

                    before = () => {
                        ctx = new Context(CID.TotalComponents);
                    };

                    it["dispatches group.OnEntityAdded events after all groups are updated"] = () => {
                        var groupA = ctx.GetGroup(Matcher.AllOf(CID.ComponentA, CID.ComponentB));
                        var groupB = ctx.GetGroup(Matcher.AllOf(CID.ComponentB));

                        groupA.OnEntityAdded += delegate {
                            groupB.count.should_be(1);
                        };

                        var entity = ctx.CreateEntity();
                        entity.AddComponentA();
                        entity.AddComponentB();
                    };

                    it["dispatches group.OnEntityRemoved events after all groups are updated"] = () => {
                        ctx = new Context(CID.TotalComponents);
                        var groupB = ctx.GetGroup(Matcher.AllOf(CID.ComponentB));
                        var groupAB = ctx.GetGroup(Matcher.AllOf(CID.ComponentA, CID.ComponentB));

                        groupB.OnEntityRemoved += delegate {
                            groupAB.count.should_be(0);
                        };

                        var entity = ctx.CreateEntity();
                        entity.AddComponentA();
                        entity.AddComponentB();

                        entity.RemoveComponentB();
                    };
                };
            };
        };

        context["EntityIndex"] = () => {

            it["throws when EntityIndex for key doesn't exist"] = expect<ContextEntityIndexDoesNotExistException>(() => {
                ctx.GetEntityIndex("unknown");
            });

            it["adds and EntityIndex"] = () => {
                const int componentIndex = 1;
                var entityIndex = new PrimaryEntityIndex<string>(ctx.GetGroup(Matcher.AllOf(componentIndex)), null);
                ctx.AddEntityIndex(componentIndex.ToString(), entityIndex);
                ctx.GetEntityIndex(componentIndex.ToString()).should_be_same(entityIndex);
            };

            it["throws when adding an EntityIndex with same name"] = expect<ContextEntityIndexDoesAlreadyExistException>(() => {
                const int componentIndex = 1;
                var entityIndex = new PrimaryEntityIndex<string>(ctx.GetGroup(Matcher.AllOf(componentIndex)), null);
                ctx.AddEntityIndex(componentIndex.ToString(), entityIndex);
                ctx.AddEntityIndex(componentIndex.ToString(), entityIndex);
            });
        };

        context["reset"] = () => {

            context["groups"] = () => {

                it["resets and removes groups from context"] = () => {

                    var m = Matcher.AllOf(CID.ComponentA);
                    var groupsCreated = 0;
                    Group createdGroup = null;
                    ctx.OnGroupCreated += (p, g) => {
                        groupsCreated += 1;
                        createdGroup = g;
                    };

                    var initialGroup = ctx.GetGroup(m);

                    ctx.ClearGroups();

                    ctx.GetGroup(m);

                    ctx.CreateEntity().AddComponentA();

                    groupsCreated.should_be(2);
                    createdGroup.should_not_be_same(initialGroup);

                    initialGroup.count.should_be(0);
                    createdGroup.count.should_be(1);
                };

                it["removes all event handlers from groups"] = () => {
                    var m = Matcher.AllOf(CID.ComponentA);
                    var group = ctx.GetGroup(m);

                    group.OnEntityAdded += delegate { this.Fail(); };

                    ctx.ClearGroups();

                    var e = ctx.CreateEntity();
                    e.AddComponentA();
                    group.HandleEntity(e, CID.ComponentA, Component.A);
                };

                it["releases entities in groups"] = () => {
                    var m = Matcher.AllOf(CID.ComponentA);
                    ctx.GetGroup(m);
                    var entity = ctx.CreateEntity();
                    entity.AddComponentA();

                    ctx.ClearGroups();

                    entity.retainCount.should_be(1);
                };
            };

            context["context"] = () => {

                it["resets creation index"] = () => {
                    ctx.CreateEntity();

                    ctx.ResetCreationIndex();

                    ctx.CreateEntity().creationIndex.should_be(0);
                };

                context["removes all event handlers"] = () => {

                    it["removes OnEntityCreated"] = () => {
                        ctx.OnEntityCreated += delegate { this.Fail(); };
                        ctx.Reset();

                        ctx.CreateEntity();
                    };

                    it["removes OnEntityWillBeDestroyed"] = () => {
                        ctx.OnEntityWillBeDestroyed += delegate { this.Fail(); };
                        ctx.Reset();

                        ctx.DestroyEntity(ctx.CreateEntity());
                    };

                    it["removes OnEntityDestroyed"] = () => {
                        ctx.OnEntityDestroyed += delegate { this.Fail(); };
                        ctx.Reset();

                        ctx.DestroyEntity(ctx.CreateEntity());
                    };

                    it["removes OnGroupCreated"] = () => {
                        ctx.OnGroupCreated += delegate { this.Fail(); };
                        ctx.Reset();

                        ctx.GetGroup(Matcher.AllOf(0));
                    };

                    it["removes OnGroupCleared"] = () => {
                        ctx.OnGroupCleared += delegate { this.Fail(); };
                        ctx.Reset();
                        ctx.GetGroup(Matcher.AllOf(0));

                        ctx.ClearGroups();
                    };
                };
            };

            context["component pools"] = () => {

                before = () => {
                    var entity = ctx.CreateEntity();
                    entity.AddComponentA();
                    entity.AddComponentB();
                    entity.RemoveComponentA();
                    entity.RemoveComponentB();
                };

                it["clears all component pools"] = () => {
                    ctx.componentPools[CID.ComponentA].Count.should_be(1);
                    ctx.componentPools[CID.ComponentB].Count.should_be(1);

                    ctx.ClearComponentPools();

                    ctx.componentPools[CID.ComponentA].Count.should_be(0);
                    ctx.componentPools[CID.ComponentB].Count.should_be(0);
                };

                it["clears a specific component pool"] = () => {
                    ctx.ClearComponentPool(CID.ComponentB);

                    ctx.componentPools[CID.ComponentA].Count.should_be(1);
                    ctx.componentPools[CID.ComponentB].Count.should_be(0);
                };

                it["only clears existing component pool"] = () => {
                    ctx.ClearComponentPool(CID.ComponentC);
                };
            };

            context["EntityIndex"] = () => {

                PrimaryEntityIndex<string> entityIndex = null;

                before = () => {
                    entityIndex = new PrimaryEntityIndex<string>(ctx.GetGroup(Matcher.AllOf(CID.ComponentA)),
                        (e, c) => ((NameAgeComponent)(c)).name);
                    ctx.AddEntityIndex(CID.ComponentA.ToString(), entityIndex);
                };

                it["deactivates EntityIndex"] = () => {
                    var nameAgeComponent = new NameAgeComponent();
                    nameAgeComponent.name = "Max";

                    ctx.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
                    entityIndex.HasEntity("Max").should_be_true();

                    ctx.DeactivateAndRemoveEntityIndices();

                    entityIndex.HasEntity("Max").should_be_false();
                };

                it["removes EntityIndex"] = expect<ContextEntityIndexDoesNotExistException>(() => {
                    ctx.DeactivateAndRemoveEntityIndices();
                    ctx.GetEntityIndex(CID.ComponentA.ToString());
                });
            };
        };

        context["EntitasCache"] = () => {

            it["pops new list from list pool"] = () => {
                var groupA = ctx.GetGroup(Matcher.AllOf(CID.ComponentA));
                var groupAB = ctx.GetGroup(Matcher.AnyOf(CID.ComponentA, CID.ComponentB));
                var groupABC = ctx.GetGroup(Matcher.AnyOf(CID.ComponentA, CID.ComponentB, CID.ComponentC));

                var didExecute = 0;

                groupA.OnEntityAdded += (g, entity, index, component) => {
                    didExecute += 1;
                    entity.RemoveComponentA();
                };

                groupAB.OnEntityAdded += (g, entity, index, component) => {
                    didExecute += 1;
                };

                groupABC.OnEntityAdded += (g, entity, index, component) => {
                    didExecute += 1;
                };

                ctx.CreateEntity().AddComponentA();

                didExecute.should_be(3);
            };
        };
    }
    void when_throwing()
    {
        MyTestContext ctx    = null;
        TestEntity    entity = null;

        before = () => {
            var componentNames = new [] { "Health", "Position", "View" };
            var contextInfo    = new ContextInfo("My Context", componentNames, null);
            ctx    = new MyTestContext(componentNames.Length, 42, contextInfo);
            entity = ctx.CreateEntity();
        };

        context["Entity"] = () => {
            context["when not enabled"] = () => {
                before = () => {
                    entity.Destroy();
                };

                it["add a component"]     = () => printErrorMessage(() => entity.AddComponentA());
                it["remove a component"]  = () => printErrorMessage(() => entity.RemoveComponentA());
                it["replace a component"] = () => printErrorMessage(() => entity.ReplaceComponentA(Component.A));
            };

            context["when enabled"] = () => {
                it["add a component twice"] = () => printErrorMessage(() => {
                    entity.AddComponentA();
                    entity.AddComponentA();
                });

                it["remove a component that doesn't exist"] = () => printErrorMessage(() => {
                    entity.RemoveComponentA();
                });

                it["get a component that doesn't exist"] = () => printErrorMessage(() => {
                    entity.GetComponentA();
                });

                it["retain an entity twice"] = () => printErrorMessage(() => {
                    var owner = new object();
                    entity.Retain(owner);
                    entity.Retain(owner);
                });

                it["release an entity with wrong owner"] = () => printErrorMessage(() => {
                    var owner = new object();
                    entity.Release(owner);
                });
            };
        };

        context["Group"] = () => {
            it["get single entity when multiple exist"] = () => printErrorMessage(() => {
                ctx.CreateEntity().AddComponentA();
                ctx.CreateEntity().AddComponentA();
                var matcher            = (Matcher <TestEntity>)Matcher <TestEntity> .AllOf(CID.ComponentA);
                matcher.componentNames = ctx.contextInfo.componentNames;
                var group = ctx.GetGroup(matcher);
                group.GetSingleEntity();
            });
        };

        context["Collector<TestEntity>"] = () => {
            it["unbalanced goups"] = () => printErrorMessage(() => {
                var g1 = new Group <TestEntity>(Matcher <TestEntity> .AllOf(CID.ComponentA));
                var g2 = new Group <TestEntity>(Matcher <TestEntity> .AllOf(CID.ComponentB));
                var e1 = GroupEvent.Added;

                new Collector <TestEntity>(new [] { g1, g2 }, new [] { e1 });
            });
        };

        context["Context"] = () => {
            it["wrong ContextInfo componentNames count"] = () => printErrorMessage(() => {
                var componentNames = new [] { "Health", "Position", "View" };
                var contextInfo    = new ContextInfo("My Context", componentNames, null);
                new MyTestContext(1, 0, contextInfo);
            });

            it["destroy retained entities"] = () => printErrorMessage(() => {
                var e = ctx.CreateEntity();
                e.Retain(this);
                e.Retain(new object());

                e = ctx.CreateEntity();
                e.Retain(this);
                e.Retain(new object());

                ctx.DestroyAllEntities();
            });

            it["releases entity before destroy"] = () => printErrorMessage(() => {
                entity.Release(ctx);
            });

            it["unknown entityIndex"] = () => printErrorMessage(() => {
                ctx.GetEntityIndex("unknown");
            });

            it["duplicate entityIndex"] = () => printErrorMessage(() => {
                var groupA = ctx.GetGroup((Matcher <TestEntity>)Matcher <TestEntity> .AllOf(CID.ComponentA));
                var index  = new PrimaryEntityIndex <TestEntity, string>("TestIndex", groupA, (arg1, arg2) => string.Empty);
                ctx.AddEntityIndex(index);
                ctx.AddEntityIndex(index);
            });
        };

        context["CollectionExtension"] = () => {
            it["get single entity when more than one exist"] = () => printErrorMessage(() => {
                new IEntity[2].SingleEntity();
            });
        };

        context["ComponentBlueprint"] = () => {
            it["type doesn't implement IComponent"] = () => printErrorMessage(() => {
                var componentBlueprint          = new ComponentBlueprint();
                componentBlueprint.fullTypeName = "string";
                componentBlueprint.CreateComponent(entity);
            });

            it["type doesn't exist"] = () => printErrorMessage(() => {
                var componentBlueprint          = new ComponentBlueprint();
                componentBlueprint.fullTypeName = "UnknownType";
                componentBlueprint.CreateComponent(entity);
            });

            it["invalid field name"] = () => printErrorMessage(() => {
                var componentBlueprint          = new ComponentBlueprint();
                componentBlueprint.index        = 0;
                componentBlueprint.fullTypeName = typeof(NameAgeComponent).FullName;
                componentBlueprint.members      = new [] {
                    new SerializableMember("xxx", "publicFieldValue"),
                    new SerializableMember("publicProperty", "publicPropertyValue")
                };
                componentBlueprint.CreateComponent(entity);
            });
        };

        context["EntityIndex"] = () => {
            it["no entity with key"] = () => printErrorMessage(() => {
                var groupA = ctx.GetGroup((Matcher <TestEntity>)Matcher <TestEntity> .AllOf(CID.ComponentA));
                var index  = new PrimaryEntityIndex <TestEntity, string>("TestIndex", groupA, (e, c) => ((NameAgeComponent)c).name);
                index.GetEntity("unknownKey");
            });

            it["multiple entities for primary key"] = () => printErrorMessage(() => {
                var groupA = ctx.GetGroup((Matcher <TestEntity>)Matcher <TestEntity> .AllOf(CID.ComponentA));
                new PrimaryEntityIndex <TestEntity, string>("TestIndex", groupA, (e, c) => ((NameAgeComponent)c).name);

                var nameAge  = new NameAgeComponent();
                nameAge.name = "Max";
                nameAge.age  = 42;

                ctx.CreateEntity().AddComponent(CID.ComponentA, nameAge);
                ctx.CreateEntity().AddComponent(CID.ComponentA, nameAge);
            });
        };
    }
Exemplo n.º 17
0
    void when_primary_index()
    {
        context["single key"] = () => {
            PrimaryEntityIndex <TestEntity, string> index = null;
            IContext <TestEntity> ctx   = null;
            IGroup <TestEntity>   group = null;

            before = () => {
                ctx   = new MyTestContext();
                group = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA));
                index = new PrimaryEntityIndex <TestEntity, string>("TestIndex", group, (e, c) => {
                    var nameAge = c as NameAgeComponent;
                    return(nameAge != null
                        ? nameAge.name
                        : ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name);
                });
            };

            context["when entity for key doesn't exist"] = () => {
                it["returns null when getting entity for unknown key"] = () => {
                    index.GetEntity("unknownKey").should_be_null();
                };
            };

            context["when entity for key exists"] = () => {
                const string name   = "Max";
                TestEntity   entity = null;

                before = () => {
                    var nameAgeComponent = new NameAgeComponent();
                    nameAgeComponent.name = name;
                    entity = ctx.CreateEntity();
                    entity.AddComponent(CID.ComponentA, nameAgeComponent);
                };

                it["gets entity for key"] = () => {
                    index.GetEntity(name).should_be_same(entity);
                };

                it["retains entity"] = () => {
                    entity.retainCount.should_be(3); // Context, Group, EntityIndex
                };

                it["has existing entity"] = () => {
                    var newIndex = new PrimaryEntityIndex <TestEntity, string>("TestIndex", group, (e, c) => {
                        var nameAge = c as NameAgeComponent;
                        return(nameAge != null
                            ? nameAge.name
                            : ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name);
                    });
                    newIndex.GetEntity(name).should_be_same(entity);
                };

                it["releases and removes entity from index when component gets removed"] = () => {
                    entity.RemoveComponent(CID.ComponentA);
                    index.GetEntity(name).should_be_null();
                    entity.retainCount.should_be(1); // Context
                };

                it["throws when adding an entity for the same key"] = expect <EntityIndexException>(() => {
                    var nameAgeComponent  = new NameAgeComponent();
                    nameAgeComponent.name = name;
                    entity = ctx.CreateEntity();
                    entity.AddComponent(CID.ComponentA, nameAgeComponent);
                });

                it["can ToString"] = () => {
                    index.ToString().should_be("PrimaryEntityIndex(TestIndex)");
                };

                context["when deactivated"] = () => {
                    before = () => {
                        index.Deactivate();
                    };

                    it["clears index and releases entity"] = () => {
                        index.GetEntity(name).should_be_null();
                        entity.retainCount.should_be(2); // Context, Group
                    };

                    it["doesn't add entities anymore"] = () => {
                        var nameAgeComponent = new NameAgeComponent();
                        nameAgeComponent.name = name;
                        ctx.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
                        index.GetEntity(name).should_be_null();
                    };

                    context["when activated"] = () => {
                        before = () => {
                            index.Activate();
                        };

                        it["has existing entity"] = () => {
                            index.GetEntity(name).should_be_same(entity);
                        };

                        it["adds new entities"] = () => {
                            var nameAgeComponent = new NameAgeComponent();
                            nameAgeComponent.name = "Jack";
                            entity = ctx.CreateEntity();
                            entity.AddComponent(CID.ComponentA, nameAgeComponent);

                            index.GetEntity("Jack").should_be_same(entity);
                        };
                    };
                };
            };
        };

        context["multiple keys"] = () => {
            PrimaryEntityIndex <TestEntity, string> index = null;
            IContext <TestEntity> ctx   = null;
            IGroup <TestEntity>   group = null;

            before = () => {
                ctx   = new MyTestContext();
                group = ctx.GetGroup(Matcher <TestEntity> .AllOf(CID.ComponentA));
                index = new PrimaryEntityIndex <TestEntity, string>("TestIndex", group, (e, c) => {
                    var nameAge = c as NameAgeComponent;
                    return(nameAge != null
                        ? new [] { nameAge.name + "1", nameAge.name + "2" }
                        : new [] { ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name + "1", ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name + "2" });
                });
            };

            context["when entity for key exists"] = () => {
                const string name   = "Max";
                TestEntity   entity = null;

                before = () => {
                    var nameAgeComponent = new NameAgeComponent();
                    nameAgeComponent.name = name;
                    entity = ctx.CreateEntity();
                    entity.AddComponent(CID.ComponentA, nameAgeComponent);
                };

                it["retains entity"] = () => {
                    entity.retainCount.should_be(3);

                    var safeAerc = entity.aerc as SafeAERC;
                    if (safeAerc != null)
                    {
                        safeAerc.owners.should_contain(index);
                    }
                };

                it["gets entity for key"] = () => {
                    index.GetEntity(name + "1").should_be_same(entity);
                    index.GetEntity(name + "2").should_be_same(entity);
                };

                it["releases and removes entity from index when component gets removed"] = () => {
                    entity.RemoveComponent(CID.ComponentA);
                    index.GetEntity(name + "1").should_be_null();
                    index.GetEntity(name + "2").should_be_null();
                    entity.retainCount.should_be(1);

                    var safeAerc = entity.aerc as SafeAERC;
                    if (safeAerc != null)
                    {
                        safeAerc.owners.should_not_contain(index);
                    }
                };

                it["has existing entity"] = () => {
                    index.Deactivate();
                    index.Activate();
                    index.GetEntity(name + "1").should_be_same(entity);
                    index.GetEntity(name + "2").should_be_same(entity);
                };
            };
        };
    }
Exemplo n.º 18
0
    void when_primary_index()
    {
        PrimaryEntityIndex <string> index = null;
        Pool  pool  = null;
        Group group = null;

        before = () => {
            pool  = new Pool(CID.TotalComponents);
            group = pool.GetGroup(Matcher.AllOf(CID.ComponentA));
            index = new PrimaryEntityIndex <string>(group, (e, c) => {
                var nameAge = c as NameAgeComponent;
                return(nameAge != null
                    ? nameAge.name
                    : ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name);
            });
        };

        context["when entity for key doesn't exist"] = () => {
            it["doesn't have entity"] = () => {
                index.HasEntity("unknownKey").should_be_false();
            };

            it["throws exception when attempting to get entity"] = expect <EntityIndexException>(() => {
                index.GetEntity("unknownKey");
            });

            it["returns null when trying to get entity"] = () => {
                index.TryGetEntity("unknownKey").should_be_null();
            };
        };

        context["when entity for key exists"] = () => {
            const string name   = "Max";
            Entity       entity = null;

            before = () => {
                var nameAgeComponent = new NameAgeComponent();
                nameAgeComponent.name = name;
                entity = pool.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
            };

            it["has entity"] = () => {
                index.HasEntity(name).should_be_true();
            };

            it["gets entity for key"] = () => {
                index.GetEntity(name).should_be_same(entity);
            };

            it["gets entity when trying"] = () => {
                index.TryGetEntity(name).should_be_same(entity);
            };

            it["retains entity"] = () => {
                entity.retainCount.should_be(3); // Pool, Group, EntityIndex
            };

            it["has existing entity"] = () => {
                var newIndex = new PrimaryEntityIndex <string>(group, (e, c) => {
                    var nameAge = c as NameAgeComponent;
                    return(nameAge != null
                        ? nameAge.name
                        : ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name);
                });
                newIndex.HasEntity(name).should_be_true();
            };

            it["releases and removes entity from index when component gets removed"] = () => {
                entity.RemoveComponent(CID.ComponentA);
                index.HasEntity(name).should_be_false();
                entity.retainCount.should_be(1); // Pool
            };

            it["throws when adding an entity for the same key"] = expect <EntityIndexException>(() => {
                var nameAgeComponent  = new NameAgeComponent();
                nameAgeComponent.name = name;
                entity = pool.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
            });

            context["when deactivated"] = () => {
                before = () => {
                    index.Deactivate();
                };

                it["clears index and releases entity"] = () => {
                    index.HasEntity(name).should_be_false();
                    entity.retainCount.should_be(2); // Pool, Group
                };

                it["doesn't add entities anymore"] = () => {
                    var nameAgeComponent = new NameAgeComponent();
                    nameAgeComponent.name = name;
                    pool.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
                    index.HasEntity(name).should_be_false();
                };

                context["when actrivated"] = () => {
                    before = () => {
                        index.Activate();
                    };

                    it["has existing entity"] = () => {
                        index.HasEntity(name).should_be_true();
                    };

                    it["adds new entities"] = () => {
                        var nameAgeComponent = new NameAgeComponent();
                        nameAgeComponent.name = "Jack";
                        entity = pool.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);

                        index.HasEntity("Jack").should_be_true();
                    };
                };
            };
        };
    }
Exemplo n.º 19
0
    void when_primary_index()
    {
        PrimaryEntityIndex<string> index = null;
        Context ctx = null;
        Group group = null;

        before = () => {
            ctx = new Context(CID.TotalComponents);
            group = ctx.GetGroup(Matcher.AllOf(CID.ComponentA));
            index = new PrimaryEntityIndex<string>(group, (e, c) => {
                var nameAge = c as NameAgeComponent;
                return nameAge != null
                    ? nameAge.name
                    : ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name;
            });
        };

        context["when entity for key doesn't exist"] = () => {

            it["doesn't have entity"] = () => {
                index.HasEntity("unknownKey").should_be_false();
            };

            it["throws exception when attempting to get entity"] = expect<EntityIndexException>(() => {
                index.GetEntity("unknownKey");
            });

            it["returns null when trying to get entity"] = () => {
                index.TryGetEntity("unknownKey").should_be_null();
            };
        };

        context["when entity for key exists"] = () => {

            const string name = "Max";
            Entity entity = null;

            before = () => {
                var nameAgeComponent = new NameAgeComponent();
                nameAgeComponent.name = name;
                entity = ctx.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
            };

            it["has entity"] = () => {
                index.HasEntity(name).should_be_true();
            };

            it["gets entity for key"] = () => {
                index.GetEntity(name).should_be_same(entity);
            };

            it["gets entity when trying"] = () => {
                index.TryGetEntity(name).should_be_same(entity);
            };

            it["retains entity"] = () => {
                entity.retainCount.should_be(3); // Context, Group, EntityIndex
            };

            it["has existing entity"] = () => {
                var newIndex = new PrimaryEntityIndex<string>(group, (e, c) => {
                    var nameAge = c as NameAgeComponent;
                    return nameAge != null
                        ? nameAge.name
                        : ((NameAgeComponent)e.GetComponent(CID.ComponentA)).name;
                });
                newIndex.HasEntity(name).should_be_true();
            };

            it["releases and removes entity from index when component gets removed"] = () => {
                entity.RemoveComponent(CID.ComponentA);
                index.HasEntity(name).should_be_false();
                entity.retainCount.should_be(1); // Context
            };

            it["throws when adding an entity for the same key"] = expect<EntityIndexException>(() => {
                var nameAgeComponent = new NameAgeComponent();
                nameAgeComponent.name = name;
                entity = ctx.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
            });

            context["when deactivated"] = () => {

                before = () => {
                    index.Deactivate();
                };

                it["clears index and releases entity"] = () => {
                    index.HasEntity(name).should_be_false();
                    entity.retainCount.should_be(2); // Context, Group
                };

                it["doesn't add entities anymore"] = () => {
                    var nameAgeComponent = new NameAgeComponent();
                    nameAgeComponent.name = name;
                    ctx.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);
                    index.HasEntity(name).should_be_false();
                };

                context["when actrivated"] = () => {

                    before = () => {
                        index.Activate();
                    };

                    it["has existing entity"] = () => {
                        index.HasEntity(name).should_be_true();
                    };

                    it["adds new entities"] = () => {
                        var nameAgeComponent = new NameAgeComponent();
                        nameAgeComponent.name = "Jack";
                        entity = ctx.CreateEntity().AddComponent(CID.ComponentA, nameAgeComponent);

                        index.HasEntity("Jack").should_be_true();
                    };
                };
            };
        };
    }
    void when_throwing()
    {
        before = () => {
            var componentNames = new [] { "Health", "Position", "View" };
            var contextInfo = new ContextInfo("My Context", componentNames, null);
            _context = new Context(componentNames.Length, 42, contextInfo);
            _entity = createEntity();
        };

        it["creates exception with hint separated by newLine"] = () => {

            // given
            const string msg = "Message";
            const string hint = "Hint";
            var ex = new EntitasException(msg, hint);

            // then
            ex.Message.should_be(msg + "\n" + hint);
        };

        it["ignores hint when null"] = () => {

            // given
            const string msg = "Message";
            string hint = null;
            var ex = new EntitasException(msg, hint);

            // then
            ex.Message.should_be(msg);
        };

        context["Entity"] = () => {

            context["when not enabled"] = () => {

                before = () => {
                    _context.DestroyEntity(_entity);
                };

                it["add a component"] = () => printErrorMessage(() => _entity.AddComponentA());
                it["remove a component"] = () => printErrorMessage(() => _entity.RemoveComponentA());
                it["replace a component"] = () => printErrorMessage(() => _entity.ReplaceComponentA(Component.A));
            };

            context["when enabled"] = () => {

                it["add a component twice"] = () => printErrorMessage(() => {
                    _entity.AddComponentA();
                    _entity.AddComponentA();
                });

                it["remove a component that doesn't exist"] = () => printErrorMessage(() => {
                    _entity.RemoveComponentA();
                });

                it["get a component that doesn't exist"] = () => printErrorMessage(() => {
                    _entity.GetComponentA();
                });

                it["retain an entity twice"] = () => printErrorMessage(() => {
                    var owner = new object();
                    _entity.Retain(owner);
                    _entity.Retain(owner);
                });

                it["release an entity with wrong owner"] = () => printErrorMessage(() => {
                    var owner = new object();
                    _entity.Release(owner);
                });
            };
        };

        context["Group"] = () => {

            it["get single entity when multiple exist"] = () => printErrorMessage(() => {
                createEntityA();
                createEntityA();
                var matcher = createMatcherA();
                matcher.componentNames = _context.contextInfo.componentNames;
                var group = _context.GetGroup(matcher);
                group.GetSingleEntity();
            });
        };

        context["Collector"] = () => {

            it["unbalanced goups"] = () => printErrorMessage(() => {
                var g1 = new Group(Matcher.AllOf(CID.ComponentA));
                var g2 = new Group(Matcher.AllOf(CID.ComponentB));
                var e1 = GroupEvent.Added;

                new Collector(new [] { g1, g2 }, new [] { e1 });
            });
        };

        context["Context"] = () => {

            it["wrong ContextInfo componentNames count"] = () => printErrorMessage(() => {
                var componentNames = new [] { "Health", "Position", "View" };
                var contextInfo = new ContextInfo("My Context", componentNames, null);
                new Context(1, 0, contextInfo);
            });

            it["destroy entity which is not in context"] = () => printErrorMessage(() => {
                _context.DestroyEntity(new Entity(0, null));
            });

            it["destroy retained entities"] = () => printErrorMessage(() => {
                createEntity().Retain(this);
                _context.DestroyAllEntities();
            });

            it["releases entity before destroy"] = () => printErrorMessage(() => {
                _entity.Release(_context);
            });

            it["unknown entityIndex"] = () => printErrorMessage(() => {
                _context.GetEntityIndex("unknown");
            });

            it["duplicate entityIndex"] = () => printErrorMessage(() => {
                var index = new PrimaryEntityIndex<string>(getGroupA(), null);
                _context.AddEntityIndex("duplicate", index);
                _context.AddEntityIndex("duplicate", index);
            });
        };

        context["CollectionExtension"] = () => {

            it["get single entity when more than one exist"] = () => printErrorMessage(() => {
                new Entity[2].SingleEntity();
            });
        };

        context["ComponentBlueprint"] = () => {

            it["type doesn't implement IComponent"] = () => printErrorMessage(() => {
                var componentBlueprint = new ComponentBlueprint();
                componentBlueprint.fullTypeName = "string";
                componentBlueprint.CreateComponent(_entity);
            });

            it["type doesn't exist"] = () => printErrorMessage(() => {
                var componentBlueprint = new ComponentBlueprint();
                componentBlueprint.fullTypeName = "UnknownType";
                componentBlueprint.CreateComponent(_entity);
            });

            it["invalid field name"] = () => printErrorMessage(() => {
                var componentBlueprint = new ComponentBlueprint();
                componentBlueprint.index = 0;
                componentBlueprint.fullTypeName = typeof(NameAgeComponent).FullName;
                componentBlueprint.members = new [] {
                    new SerializableMember("xxx", "publicFieldValue"),
                    new SerializableMember("publicProperty", "publicPropertyValue")
                };
                componentBlueprint.CreateComponent(_entity);
            });
        };

        context["EntityIndex"] = () => {

            it["no entity with key"] = () => printErrorMessage(() => {
                createPrimaryIndex().GetEntity("unknownKey");
            });

            it["multiple entities for primary key"] = () => printErrorMessage(() => {
                createPrimaryIndex();
                var nameAge = createNameAge();
                _context.CreateEntity().AddComponent(CID.ComponentA, nameAge);
                _context.CreateEntity().AddComponent(CID.ComponentA, nameAge);
            });
        };
    }