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https://github.com/AlexMacocian/MonoGame.Extended.git
synced 2026-07-25 08:22:15 +00:00
rewriting ecs from scratch
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@@ -1,196 +0,0 @@
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// Original code dervied from:
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// https://github.com/thelinuxlich/artemis_CSharp/blob/master/Artemis_XNA_INDEPENDENT/Entity.cs
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// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="Entity.cs" company="GAMADU.COM">
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// Copyright © 2013 GAMADU.COM. Contains rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY GAMADU.COM 'AS IS' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GAMADU.COM OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of GAMADU.COM.
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// </copyright>
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// <summary>
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// Basic unity of this entity system.
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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using System;
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using System.Runtime.CompilerServices;
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using MonoGame.Extended.Collections;
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// ReSharper disable InconsistentNaming
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namespace MonoGame.Extended.Entities
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{
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public sealed class Entity : IPoolable
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{
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private static readonly uint ToBeAddedMask;
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private static readonly uint ToBeRemovedMask;
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private static readonly uint ToRefreshComponentsMask;
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static Entity()
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{
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ToBeAddedMask = BitVector32.CreateMask();
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ToBeRemovedMask = BitVector32.CreateMask(ToBeAddedMask);
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ToRefreshComponentsMask = BitVector32.CreateMask(ToBeRemovedMask);
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}
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private ReturnToPoolDelegate _returnToPoolDelegate;
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private BitVector32 _flags;
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internal EntityManager Manager;
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internal readonly BitVector SystemBits;
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internal readonly BitVector ComponentBits;
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internal string _group;
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internal string _name;
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public bool IsActive
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get { return !_flags[ToBeRemovedMask]; }
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}
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public bool WaitingToBeAdded
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get { return _flags[ToBeAddedMask]; }
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal set { _flags[ToBeAddedMask] = value; }
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}
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public bool WaitingToBeRemoved
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get { return _flags[ToBeRemovedMask]; }
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal set { _flags[ToBeRemovedMask] = value; }
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}
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internal bool WaitingToRefreshComponents
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get { return _flags[ToRefreshComponentsMask]; }
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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set { _flags[ToRefreshComponentsMask] = value; }
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}
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public string Name
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{
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get { return _name; }
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set
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{
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_name = value;
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Manager.AddEntityName(value, this);
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}
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}
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//public string Group
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//{
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// get { return _group; }
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// set
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// {
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// _group = value;
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// Manager.AddEntityToGroup(value, this);
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// }
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//}
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IPoolable IPoolable.NextNode { get; set; }
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IPoolable IPoolable.PreviousNode { get; set; }
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internal Entity(int systemTypeCount, int componentTypeCount)
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{
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SystemBits = new BitVector(systemTypeCount);
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ComponentBits = new BitVector(componentTypeCount);
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}
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public void Destroy()
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{
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Manager.MarkEntityToBeRemoved(this);
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}
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public T Attach<T>(T component) where T : class
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{
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return Manager.AddComponent(this, component);
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}
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public T Attach<T>(Action<T> configure) where T : class
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{
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var component = Attach<T>();
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configure(component);
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return component;
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}
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public T Attach<T>() where T : class
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{
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return Manager.AddComponent<T>(this);
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}
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public void Detach<T>() where T : class
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{
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Manager.MarkComponentToBeRemoved<T>(this);
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}
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public T Get<T>() where T : class
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{
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return Manager.GetComponent<T>(this);
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}
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private void Reset()
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{
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_name = null;
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_group = null;
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SystemBits.SetAll(false);
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ComponentBits.SetAll(false);
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_flags = 0;
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}
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public override string ToString()
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{
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return $"{RuntimeHelpers.GetHashCode(this):X8} {Name}";
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}
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void IPoolable.Initialize(ReturnToPoolDelegate returnDelegate)
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{
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Reset();
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_returnToPoolDelegate = returnDelegate;
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}
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void IPoolable.Return()
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{
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Return();
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}
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internal void Return()
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{
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Reset();
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if (_returnToPoolDelegate == null)
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{
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return;
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}
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_returnToPoolDelegate.Invoke(this);
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_returnToPoolDelegate = null;
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}
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}
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}
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