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Wojtek Figat
222
Source/Editor/SceneGraph/Actors/BoxBrushNode.cs
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222
Source/Editor/SceneGraph/Actors/BoxBrushNode.cs
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// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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using System;
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using FlaxEngine;
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namespace FlaxEditor.SceneGraph.Actors
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{
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/// <summary>
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/// Actor node for <see cref="BoxBrush"/>.
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/// </summary>
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/// <seealso cref="ActorNode" />
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[HideInEditor]
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public sealed class BoxBrushNode : ActorNode
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{
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/// <summary>
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/// Sub actor node used to edit volume.
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/// </summary>
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/// <seealso cref="FlaxEditor.SceneGraph.ActorChildNode{T}" />
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public sealed class SideLinkNode : ActorChildNode<BoxBrushNode>
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{
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private sealed class BrushSurfaceProxy
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{
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[HideInEditor]
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public BoxBrush Brush;
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[HideInEditor]
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public int Index;
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[EditorOrder(10), EditorDisplay("Brush")]
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[Tooltip("The material used to render the brush surface.")]
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public MaterialBase Material
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{
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get => Brush.Surfaces[Index].Material;
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set
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{
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var surfaces = Brush.Surfaces;
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surfaces[Index].Material = value;
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Brush.Surfaces = surfaces;
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}
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}
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[EditorOrder(30), EditorDisplay("Brush", "UV Scale"), Limit(-1000, 1000, 0.01f)]
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[Tooltip("The surface texture coordinates scale.")]
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public Vector2 TexCoordScale
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{
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get => Brush.Surfaces[Index].TexCoordScale;
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set
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{
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var surfaces = Brush.Surfaces;
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surfaces[Index].TexCoordScale = value;
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Brush.Surfaces = surfaces;
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}
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}
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[EditorOrder(40), EditorDisplay("Brush", "UV Offset"), Limit(-1000, 1000, 0.01f)]
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[Tooltip("The surface texture coordinates offset.")]
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public Vector2 TexCoordOffset
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{
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get => Brush.Surfaces[Index].TexCoordOffset;
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set
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{
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var surfaces = Brush.Surfaces;
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surfaces[Index].TexCoordOffset = value;
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Brush.Surfaces = surfaces;
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}
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}
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[EditorOrder(50), EditorDisplay("Brush", "UV Rotation")]
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[Tooltip("The surface texture coordinates rotation angle (in degrees).")]
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public float TexCoordRotation
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{
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get => Brush.Surfaces[Index].TexCoordRotation;
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set
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{
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var surfaces = Brush.Surfaces;
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surfaces[Index].TexCoordRotation = value;
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Brush.Surfaces = surfaces;
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}
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}
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[EditorOrder(20), EditorDisplay("Brush", "Scale In Lightmap"), Limit(0, 10000, 0.1f)]
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[Tooltip("The scale in lightmap (per surface).")]
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public float ScaleInLightmap
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{
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get => Brush.Surfaces[Index].ScaleInLightmap;
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set
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{
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var surfaces = Brush.Surfaces;
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surfaces[Index].ScaleInLightmap = value;
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Brush.Surfaces = surfaces;
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}
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}
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}
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private Vector3 _offset;
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/// <summary>
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/// Gets the brush actor.
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/// </summary>
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public BoxBrush Brush => (BoxBrush)((BoxBrushNode)ParentNode).Actor;
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/// <summary>
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/// Gets the brush surface.
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/// </summary>
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public BrushSurface Surface
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{
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get => Brush.Surfaces[Index];
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set
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{
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var surfaces = Brush.Surfaces;
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surfaces[Index] = value;
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Brush.Surfaces = surfaces;
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}
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="SideLinkNode"/> class.
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/// </summary>
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/// <param name="actor">The parent node.</param>
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/// <param name="id">The identifier.</param>
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/// <param name="index">The index.</param>
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public SideLinkNode(BoxBrushNode actor, Guid id, int index)
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: base(actor, id, index)
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{
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switch (index)
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{
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case 0:
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_offset = new Vector3(0.5f, 0, 0);
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break;
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case 1:
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_offset = new Vector3(-0.5f, 0, 0);
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break;
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case 2:
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_offset = new Vector3(0, 0.5f, 0);
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break;
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case 3:
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_offset = new Vector3(0, -0.5f, 0);
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break;
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case 4:
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_offset = new Vector3(0, 0, 0.5f);
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break;
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case 5:
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_offset = new Vector3(0, 0, -0.5f);
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break;
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}
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}
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/// <inheritdoc />
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public override Transform Transform
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{
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get
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{
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var actor = Brush;
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var localOffset = _offset * actor.Size + actor.Center;
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Transform localTrans = new Transform(localOffset);
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return actor.Transform.LocalToWorld(localTrans);
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}
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set
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{
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var actor = Brush;
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Transform localTrans = actor.Transform.WorldToLocal(value);
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var prevLocalOffset = _offset * actor.Size + actor.Center;
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var localOffset = Vector3.Abs(_offset) * 2.0f * localTrans.Translation;
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var localOffsetDelta = localOffset - prevLocalOffset;
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float centerScale = Index % 2 == 0 ? 0.5f : -0.5f;
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actor.Size += localOffsetDelta;
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actor.Center += localOffsetDelta * centerScale;
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}
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}
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/// <inheritdoc />
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public override object EditableObject => new BrushSurfaceProxy
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{
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Brush = Brush,
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Index = Index,
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};
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/// <inheritdoc />
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public override bool RayCastSelf(ref RayCastData ray, out float distance, out Vector3 normal)
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{
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return Brush.Intersects(Index, ref ray.Ray, out distance, out normal);
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}
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/// <inheritdoc />
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public override void OnDebugDraw(ViewportDebugDrawData data)
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{
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ParentNode.OnDebugDraw(data);
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data.HighlightBrushSurface(Brush.Surfaces[Index]);
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}
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}
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/// <inheritdoc />
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public BoxBrushNode(Actor actor)
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: base(actor)
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{
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var id = ID;
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var bytes = id.ToByteArray();
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for (int i = 0; i < 6; i++)
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{
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bytes[0] += 1;
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AddChildNode(new SideLinkNode(this, new Guid(bytes), i));
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}
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}
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/// <inheritdoc />
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public override bool RayCastSelf(ref RayCastData ray, out float distance, out Vector3 normal)
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{
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if (((BoxBrush)_actor).OrientedBox.Intersects(ref ray.Ray))
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{
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for (int i = 0; i < ChildNodes.Count; i++)
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{
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if (ChildNodes[i] is SideLinkNode node && node.RayCastSelf(ref ray, out distance, out normal))
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return true;
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}
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}
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distance = 0;
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normal = Vector3.Up;
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return false;
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}
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}
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}
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