2019-12-17 04:40:15 +00:00
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using System;
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2019-06-14 03:28:26 +00:00
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using System.Collections.Generic;
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2019-06-16 01:05:56 +00:00
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namespace Encompass
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{
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internal class EntityManager
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{
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2019-12-16 10:17:39 +00:00
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private readonly HashSet<Guid> IDs = new HashSet<Guid>();
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2019-06-14 03:28:26 +00:00
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2019-12-06 01:07:54 +00:00
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private readonly HashSet<Entity> entitiesMarkedForDestroy = new HashSet<Entity>();
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2019-06-19 23:13:02 +00:00
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2019-06-20 17:46:15 +00:00
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private readonly ComponentManager componentManager;
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2019-06-14 03:28:26 +00:00
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2019-12-05 04:50:08 +00:00
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public EntityManager(ComponentManager componentManager)
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2019-06-16 01:05:56 +00:00
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{
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2019-06-14 03:28:26 +00:00
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this.componentManager = componentManager;
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}
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2019-06-16 01:05:56 +00:00
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public Entity CreateEntity()
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{
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2019-06-19 23:13:02 +00:00
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var id = NextID();
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2019-07-17 18:24:21 +00:00
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var entity = new Entity(id);
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2019-12-16 10:17:39 +00:00
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IDs.Add(id);
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2019-06-19 23:13:02 +00:00
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return entity;
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2019-06-14 03:28:26 +00:00
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}
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2019-07-13 00:37:31 +00:00
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public bool EntityExists(Guid id)
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{
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2019-12-16 10:17:39 +00:00
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return IDs.Contains(id);
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2019-06-14 03:28:26 +00:00
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}
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2019-12-05 20:10:33 +00:00
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public void MarkForDestroy(Entity entity)
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2019-06-16 01:05:56 +00:00
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{
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2019-12-05 20:10:33 +00:00
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entitiesMarkedForDestroy.Add(entity);
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2019-06-14 03:28:26 +00:00
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}
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2019-06-19 23:13:02 +00:00
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public void DestroyMarkedEntities()
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2019-06-16 01:05:56 +00:00
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{
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2019-12-05 20:10:33 +00:00
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foreach (var entity in entitiesMarkedForDestroy)
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2019-06-16 01:05:56 +00:00
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{
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2019-12-05 20:10:33 +00:00
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componentManager.MarkAllComponentsOnEntityForRemoval(entity);
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2019-12-16 10:17:39 +00:00
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IDs.Remove(entity.ID);
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2019-06-14 03:28:26 +00:00
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}
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2019-06-19 23:13:02 +00:00
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entitiesMarkedForDestroy.Clear();
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2019-06-14 03:28:26 +00:00
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}
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2019-06-17 18:33:38 +00:00
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private Guid NextID()
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{
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2019-06-17 18:33:38 +00:00
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return Guid.NewGuid();
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2019-06-14 03:28:26 +00:00
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}
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}
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}
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