86 lines
2.3 KiB
C#
86 lines
2.3 KiB
C#
// Copyright (c) Wojciech Figat. All rights reserved.
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#if USE_LARGE_WORLDS
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using Real = System.Double;
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#else
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using Real = System.Single;
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#endif
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using FlaxEngine;
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using FlaxEngine.GUI;
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namespace FlaxEditor.SceneGraph.Actors
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{
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/// <summary>
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/// Scene tree node for <see cref="UICanvas"/> actor type.
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/// </summary>
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/// <seealso cref="ActorNode" />
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[HideInEditor]
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public sealed class UICanvasNode : ActorNode
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{
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/// <inheritdoc />
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public UICanvasNode(Actor actor)
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: base(actor)
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{
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}
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/// <inheritdoc />
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public override void PostSpawn()
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{
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base.PostSpawn();
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if (Actor.HasPrefabLink)
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{
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return;
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}
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// Rotate to match the space (GUI uses upper left corner as a root)
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Actor.LocalOrientation = Quaternion.Euler(0, -180, -180);
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bool canSpawn = true;
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foreach (var uiControl in Actor.GetChildren<UIControl>())
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{
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if (uiControl.Get<CanvasScaler>() == null)
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continue;
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canSpawn = false;
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break;
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}
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if (canSpawn)
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{
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var uiControl = new UIControl
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{
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Name = "Canvas Scalar",
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Transform = Actor.Transform,
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Control = new CanvasScaler()
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};
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Root.Spawn(uiControl, Actor);
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}
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_treeNode.Expand();
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}
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/// <inheritdoc />
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public override bool RayCastSelf(ref RayCastData ray, out Real distance, out Vector3 normal)
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{
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normal = Vector3.Up;
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if (Actor is UICanvas uiCanvas && uiCanvas.Is3D)
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return uiCanvas.Bounds.Intersects(ray.Ray, out distance);
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distance = 0;
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return false;
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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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base.OnDebugDraw(data);
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if (Actor is UICanvas uiCanvas && uiCanvas.Is3D)
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DebugDraw.DrawWireBox(uiCanvas.Bounds, Color.BlueViolet);
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}
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/// <inheritdoc />
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public override bool CanSelectInViewport => base.CanSelectInViewport && Actor is UICanvas uiCanvas && uiCanvas.Is3D;
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}
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}
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