Files
OpenRA/OpenRA.Mods.Common/Traits/Render/RenderDetectionCircle.cs
2021-03-07 13:00:52 +00:00

87 lines
2.4 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System.Collections.Generic;
using System.Linq;
using OpenRA.Graphics;
using OpenRA.Mods.Common.Graphics;
using OpenRA.Primitives;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits.Render
{
class RenderDetectionCircleInfo : TraitInfo, Requires<DetectCloakedInfo>
{
[Desc("WAngle the Radar update line advances per tick.")]
public readonly WAngle UpdateLineTick = new WAngle(-1);
[Desc("Number of trailing Radar update lines.")]
public readonly int TrailCount = 0;
[Desc("Color of the circle and scanner update line.")]
public readonly Color Color = Color.FromArgb(128, Color.LimeGreen);
[Desc("Range circle line width.")]
public readonly float Width = 1;
[Desc("Border color of the circle and scanner update line.")]
public readonly Color BorderColor = Color.FromArgb(96, Color.Black);
[Desc("Range circle border width.")]
public readonly float BorderWidth = 3;
public override object Create(ActorInitializer init) { return new RenderDetectionCircle(init.Self, this); }
}
class RenderDetectionCircle : ITick, IRenderAnnotationsWhenSelected
{
readonly RenderDetectionCircleInfo info;
WAngle lineAngle;
public RenderDetectionCircle(Actor self, RenderDetectionCircleInfo info)
{
this.info = info;
}
IEnumerable<IRenderable> IRenderAnnotationsWhenSelected.RenderAnnotations(Actor self, WorldRenderer wr)
{
if (!self.Owner.IsAlliedWith(self.World.RenderPlayer))
yield break;
var range = self.TraitsImplementing<DetectCloaked>()
.Select(a => a.Range)
.Append(WDist.Zero).Max();
if (range == WDist.Zero)
yield break;
yield return new DetectionCircleAnnotationRenderable(
self.CenterPosition,
range,
0,
info.TrailCount,
info.UpdateLineTick,
lineAngle,
info.Color,
info.Width,
info.BorderColor,
info.BorderWidth);
}
bool IRenderAnnotationsWhenSelected.SpatiallyPartitionable => false;
void ITick.Tick(Actor self)
{
lineAngle += info.UpdateLineTick;
}
}
}