56 lines
1.6 KiB
C#
56 lines
1.6 KiB
C#
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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using System;
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using FlaxEditor.Surface.Elements;
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using FlaxEngine;
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namespace FlaxEditor.Surface.Undo
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{
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/// <summary>
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/// The helper structure for Surface node box handle.
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/// </summary>
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[HideInEditor]
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public struct BoxHandle
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{
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private readonly uint _nodeId;
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private readonly int _boxId;
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/// <summary>
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/// Initializes a new instance of the <see cref="BoxHandle"/> struct.
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/// </summary>
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/// <param name="nodeId">The node identifier.</param>
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/// <param name="boxId">The box identifier.</param>
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public BoxHandle(uint nodeId, int boxId)
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{
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_nodeId = nodeId;
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_boxId = boxId;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="BoxHandle"/> struct.
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/// </summary>
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/// <param name="box">The box.</param>
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public BoxHandle(Box box)
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{
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_nodeId = box.ParentNode.ID;
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_boxId = box.ID;
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}
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/// <summary>
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/// Gets the box.
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/// </summary>
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/// <param name="context">The Surface context.</param>
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/// <returns>The restored box.</returns>
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public Box Get(VisjectSurfaceContext context)
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{
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var node = context.FindNode(_nodeId);
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if (node == null)
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throw new Exception("Missing node.");
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var box = node.GetBox(_boxId);
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if (box == null)
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throw new Exception("Missing box.");
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return box;
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}
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}
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}
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