test1.cs

using UnityEngine;

namespace Leopotam.Ecs.Tests {
#if !LEOECS_DISABLE_INJECT
    [EcsInject]
#endif
    public class Test1 : MonoBehaviour, IEcsInitSystem {
        EcsWorld _world;

        class C1_1 {
            public int Number;
        }

        [EcsIgnoreInFilter]
        class C1_2 { }

        class C1_3 { }

        class C1_4 { }

        class C1_5 { public int Counter; }

        EcsFilter<C1_1> _filter1 = null;

        EcsFilter<C1_1, C1_2> _filter2 = null;

        EcsFilter<C1_1, C1_2>.Exclude<C1_3> _filter3 = null;

        CustomEcsFilter<C1_4> _customFilter = null;

        void IEcsInitSystem.Initialize () {
#if LEOECS_DISABLE_INJECT
            _filter1 = _world.GetFilter<EcsFilter<C1_1>> ();
            _filter2 = _world.GetFilter<EcsFilter<C1_1, C1_2>> ();
            _filter3 = _world.GetFilter<EcsFilter<C1_1, C1_2>.Exclude<C1_3>> ();
#endif
            Debug.LogFormat ("custom-filter: {0}", _customFilter != null);

            Debug.LogFormat ("{0} / {1} / {2}", _filter1.EntitiesCount, _filter2.EntitiesCount, _filter3.EntitiesCount);
            C1_1 c11;
            var entity = _world.CreateEntityWith<C1_1> (out c11);

            _world.ProcessDelayedUpdates ();
            _filter1.Components1[0].Number++;
            Debug.LogFormat ("{0} / {1} / {2}", _filter1.EntitiesCount, _filter2.EntitiesCount, _filter3.EntitiesCount);

            _world.AddComponent<C1_2> (entity);
            _world.ProcessDelayedUpdates ();
            _filter1.Components1[0].Number++;
            Debug.LogFormat ("{0} / {1} / {2}", _filter1.EntitiesCount, _filter2.EntitiesCount, _filter3.EntitiesCount);

            _world.AddComponent<C1_3> (entity);
            _world.ProcessDelayedUpdates ();
            _filter1.Components1[0].Number++;
            Debug.LogFormat ("{0} / {1} / {2}", _filter1.EntitiesCount, _filter2.EntitiesCount, _filter3.EntitiesCount);

            Debug.LogFormat ("Number: {0}", _filter1.Components1[0].Number);

            Debug.LogFormat ("_filter2.Component2[0]: {0}", _filter2.Components2 != null);

            C1_1 c1out;
            C1_2 c2out;
            C1_3 c3out;
            _world.CreateEntityWith<C1_1, C1_2, C1_3> (out c1out, out c2out, out c3out);
            Debug.LogFormat ("{0}, {1}, {2}", c1out != null, c2out != null, c3out != null);
        }

        void IEcsInitSystem.Destroy () {
            _filter1 = null;
            _filter2 = null;
            _filter3 = null;
            _world = null;
        }

        void OnEnable () {
            var world = new EcsWorld ();
            var systems = new EcsSystems (world);
            systems.Add (this);
            systems.Initialize ();
            systems.Run ();
            systems.Dispose ();
            world.Dispose ();
        }
    }
}