99 lines
3.7 KiB
C#
99 lines
3.7 KiB
C#
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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using FlaxEngine;
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using FlaxEngine.GUI;
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namespace FlaxEditor.Surface.Elements
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{
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/// <summary>
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/// Visject Surface output box element.
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/// </summary>
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/// <seealso cref="FlaxEditor.Surface.Elements.Box" />
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[HideInEditor]
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public class OutputBox : Box
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{
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/// <inheritdoc />
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public OutputBox(SurfaceNode parentNode, NodeElementArchetype archetype)
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: base(parentNode, archetype, archetype.Position + new Vector2(parentNode.Archetype.Size.X, 0))
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{
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}
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/// <summary>
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/// Draws the connection between two boxes.
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/// </summary>
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/// <param name="start">The start location.</param>
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/// <param name="end">The end location.</param>
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/// <param name="color">The connection color.</param>
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/// <param name="thickness">The connection thickness.</param>
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public static void DrawConnection(ref Vector2 start, ref Vector2 end, ref Color color, float thickness = 1)
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{
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// Calculate control points
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var dst = (end - start) * new Vector2(0.5f, 0.05f);
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Vector2 control1 = new Vector2(start.X + dst.X, start.Y + dst.Y);
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Vector2 control2 = new Vector2(end.X - dst.X, end.Y + dst.Y);
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// Draw line
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Render2D.DrawBezier(start, control1, control2, end, color, thickness);
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/*
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// Debug drawing control points
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Vector2 bSize = new Vector2(4, 4);
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Render2D.FillRectangle(new Rectangle(control1 - bSize * 0.5f, bSize), Color.Blue);
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Render2D.FillRectangle(new Rectangle(control2 - bSize * 0.5f, bSize), Color.Gold);
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*/
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}
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/// <summary>
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/// Draw all connections coming from this box.
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/// </summary>
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public void DrawConnections()
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{
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// Draw all the connections
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var center = Size * 0.5f;
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var tmp = PointToParent(ref center);
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var startPos = Parent.PointToParent(ref tmp);
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var startHighlight = ConnectionsHighlightIntensity;
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for (int i = 0; i < Connections.Count; i++)
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{
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Box targetBox = Connections[i];
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tmp = targetBox.PointToParent(ref center);
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Vector2 endPos = targetBox.Parent.PointToParent(ref tmp);
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var highlight = 1 + Mathf.Max(startHighlight, targetBox.ConnectionsHighlightIntensity);
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var color = _currentTypeColor * highlight;
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DrawConnection(ref startPos, ref endPos, ref color, highlight);
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}
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}
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/// <summary>
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/// Draw a selected connections coming from this box.
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/// </summary>
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public void DrawSelectedConnection(Box targetBox)
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{
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// Draw all the connections
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var center = Size * 0.5f;
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var tmp = PointToParent(ref center);
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var startPos = Parent.PointToParent(ref tmp);
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tmp = targetBox.PointToParent(ref center);
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Vector2 endPos = targetBox.Parent.PointToParent(ref tmp);
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DrawConnection(ref startPos, ref endPos, ref _currentTypeColor, 2);
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}
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/// <inheritdoc />
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public override bool IsOutput => true;
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/// <inheritdoc />
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public override void Draw()
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{
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base.Draw();
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// Box
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DrawBox();
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// Draw text
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var style = Style.Current;
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var rect = new Rectangle(-100, 0, 100 - 2, Height);
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Render2D.DrawText(style.FontSmall, Text, rect, Enabled ? style.Foreground : style.ForegroundDisabled, TextAlignment.Far, TextAlignment.Center);
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}
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}
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}
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