106 lines
3.1 KiB
C#
106 lines
3.1 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.Graphics;
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using OpenRA.Mods.Common.Graphics;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits.Render
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{
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public enum DetectionCircleVisibility { Always, WhenSelected }
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public class RenderDetectionCircleInfo : TraitInfo, Requires<DetectCloakedInfo>
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{
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[Desc("WAngle the Radar update line advances per tick.")]
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public readonly WAngle UpdateLineTick = new(-1);
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[Desc("Number of trailing Radar update lines.")]
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public readonly int TrailCount = 0;
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[Desc("Color of the circle and scanner update line.")]
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public readonly Color Color = Color.FromArgb(128, Color.LimeGreen);
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[Desc("Range circle line width.")]
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public readonly float Width = 1;
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[Desc("Border color of the circle and scanner update line.")]
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public readonly Color BorderColor = Color.FromArgb(96, Color.Black);
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[Desc("Range circle border width.")]
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public readonly float BorderWidth = 3;
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[Desc("When to show the detection circle. Valid values are `Always`, and `WhenSelected`")]
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public readonly DetectionCircleVisibility Visible = DetectionCircleVisibility.WhenSelected;
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public override object Create(ActorInitializer init) { return new RenderDetectionCircle(init.Self, this); }
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}
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public class RenderDetectionCircle : ITick, IRenderAnnotationsWhenSelected, IRenderAnnotations
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{
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readonly RenderDetectionCircleInfo info;
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readonly DetectCloaked[] detectCloaked;
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WAngle lineAngle;
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public RenderDetectionCircle(Actor self, RenderDetectionCircleInfo info)
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{
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this.info = info;
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detectCloaked = self.TraitsImplementing<DetectCloaked>().ToArray();
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}
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IEnumerable<IRenderable> RenderCircle(Actor self, DetectionCircleVisibility visibility)
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{
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if (info.Visible != visibility || !self.Owner.IsAlliedWith(self.World.RenderPlayer))
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yield break;
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var range = detectCloaked
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.Select(a => a.Range)
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.Append(WDist.Zero).Max();
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if (range == WDist.Zero)
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yield break;
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yield return new DetectionCircleAnnotationRenderable(
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self.CenterPosition,
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range,
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0,
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info.TrailCount,
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info.UpdateLineTick,
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lineAngle,
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info.Color,
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info.Width,
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info.BorderColor,
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info.BorderWidth);
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}
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IEnumerable<IRenderable> IRenderAnnotationsWhenSelected.RenderAnnotations(Actor self, WorldRenderer wr)
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{
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return RenderCircle(self, DetectionCircleVisibility.WhenSelected);
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}
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bool IRenderAnnotationsWhenSelected.SpatiallyPartitionable => false;
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IEnumerable<IRenderable> IRenderAnnotations.RenderAnnotations(Actor self, WorldRenderer wr)
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{
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return RenderCircle(self, DetectionCircleVisibility.Always);
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}
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bool IRenderAnnotations.SpatiallyPartitionable => false;
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void ITick.Tick(Actor self)
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{
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lineAngle += info.UpdateLineTick;
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}
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}
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}
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