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Implement IComponentReset

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This commit is contained in:
Mikhail 2023-03-30 16:43:22 +08:00
parent 6a2521e4e8
commit 6186036a08
1 changed files with 34 additions and 7 deletions
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41
src/EcsPool.cs
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@ -4,6 +4,7 @@ using System.Runtime.CompilerServices;
using System; using System;
using System.Reflection; using System.Reflection;
using System.Linq; using System.Linq;
using UnityEngine;
namespace DCFApixels.DragonECS namespace DCFApixels.DragonECS
{ {
@ -47,6 +48,8 @@ namespace DCFApixels.DragonECS
private readonly SparseSet _sparseSet; private readonly SparseSet _sparseSet;
private T[] _denseItems; private T[] _denseItems;
private IEcsComponentReset<T> _componentResetHandler;
#region Properites #region Properites
public IEcsWorld World => _source; public IEcsWorld World => _source;
public int ID => _id; public int ID => _id;
@ -60,6 +63,8 @@ namespace DCFApixels.DragonECS
_sparseSet = new SparseSet(capacity, capacity); _sparseSet = new SparseSet(capacity, capacity);
_denseItems =new T[capacity]; _denseItems =new T[capacity];
_componentResetHandler = ComponentResetHandler.New<T>();
} }
#endregion #endregion
@ -72,18 +77,14 @@ namespace DCFApixels.DragonECS
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
public ref T Write(int entity) public ref T Write(int entity)
{ {
if (_sparseSet.Contains(entity)) if (!_sparseSet.Contains(entity))
{
return ref _denseItems[_sparseSet.IndexOf(entity)];
}
else
{ {
_sparseSet.Add(entity); _sparseSet.Add(entity);
_sparseSet.Normalize(ref _denseItems); _sparseSet.Normalize(ref _denseItems);
_source.OnEntityComponentAdded(entity, _id); _source.OnEntityComponentAdded(entity, _id);
int indexof = _sparseSet.IndexOf(entity); _componentResetHandler.Reset(ref _denseItems[_sparseSet.IndexOf(entity)]);
return ref _denseItems[indexof];
} }
return ref _denseItems[_sparseSet.IndexOf(entity)];
} }
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
@ -114,4 +115,30 @@ namespace DCFApixels.DragonECS
public override int GetHashCode() => _source.GetHashCode() + ID; public override int GetHashCode() => _source.GetHashCode() + ID;
#endregion #endregion
} }
internal static class ComponentResetHandler
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static IEcsComponentReset<T> New<T>()
{
Type targetType = typeof(T);
if (targetType.GetInterfaces().Contains(typeof(IEcsComponentReset<>).MakeGenericType(targetType)))
{
return (IEcsComponentReset<T>)Activator.CreateInstance(typeof(ComponentResetHandler<>).MakeGenericType(targetType));
}
return (IEcsComponentReset<T>)Activator.CreateInstance(typeof(ComponentResetDummy<>).MakeGenericType(targetType));
}
}
internal sealed class ComponentResetDummy<T> : IEcsComponentReset<T>
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Reset(ref T component) => component = default;
}
internal sealed class ComponentResetHandler<T> : IEcsComponentReset<T>
where T : IEcsComponentReset<T>
{
private T _fakeInstnace = default;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Reset(ref T component) => _fakeInstnace.Reset(ref component);
}
} }