81 lines
2.0 KiB
C#
81 lines
2.0 KiB
C#
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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using System;
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namespace FlaxEngine
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{
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/// <summary>
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/// The scripting object soft reference. Objects gets referenced on use (ID reference is resolving it).
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/// </summary>
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public struct SoftObjectReference : IComparable, IComparable<SoftObjectReference>
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{
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private Guid _id;
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private Object _object;
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/// <summary>
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/// Gets or sets the object identifier.
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/// </summary>
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public Guid ID
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{
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get => _id;
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set
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{
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if (_id == value)
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return;
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_id = value;
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_object = null;
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}
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}
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/// <summary>
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/// Gets the object reference.
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/// </summary>
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/// <typeparam name="T">The object type.</typeparam>
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/// <returns>The resolved object or null.</returns>
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public T Get<T>() where T : Object
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{
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if (!_object)
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_object = Object.Find(ref _id, typeof(T));
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return _object as T;
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}
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/// <summary>
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/// Sets the object reference.
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/// </summary>
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/// <param name="obj">The object.</param>
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public void Set(Object obj)
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{
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_object = obj;
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_id = obj?.ID ?? Guid.Empty;
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}
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/// <inheritdoc />
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public override string ToString()
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{
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if (_object)
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return _object.ToString();
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return _id.ToString();
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}
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/// <inheritdoc />
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public override int GetHashCode()
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{
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return _id.GetHashCode();
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}
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/// <inheritdoc />
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public int CompareTo(object obj)
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{
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if (obj is SoftObjectReference other)
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return CompareTo(other);
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return 0;
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}
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/// <inheritdoc />
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public int CompareTo(SoftObjectReference other)
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{
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return _id.CompareTo(other._id);
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}
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}
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}
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