70 lines
1.9 KiB
C#
70 lines
1.9 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
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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. For more information,
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* see LICENSE.
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*/
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#endregion
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using System.Drawing;
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namespace OpenRA.Traits
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{
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public class DrawLineToTargetInfo : ITraitInfo
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{
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public readonly int Ticks = 60;
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public virtual object Create(ActorInitializer init) { return new DrawLineToTarget(this); }
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}
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public class DrawLineToTarget :IRenderSelection
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{
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DrawLineToTargetInfo Info;
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public DrawLineToTarget(DrawLineToTargetInfo info)
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{
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this.Info = info;
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}
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Actor target;
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float2 pos;
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int lifetime;
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Color c;
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public void SetTarget(Actor self, int2 cell, Color c)
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{
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pos = Game.CellSize * (cell + new float2(0.5f, 0.5f));
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lifetime = Info.Ticks;
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target = null;
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this.c = c;
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}
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public void SetTarget(Actor self, Actor target, Color c)
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{
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this.target = target;
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lifetime = Info.Ticks;
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this.c = c;
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}
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public void Render (Actor self)
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{
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var force = Game.controller.GetModifiers().HasModifier(Modifiers.Alt);
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if ((lifetime <= 0 || --lifetime <= 0) && !force)
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return;
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var p = (target != null) ? target.CenterLocation : pos;
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Game.Renderer.LineRenderer.DrawLine(self.CenterLocation, p, c, c);
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for (bool b = false; !b; p = self.CenterLocation, b = true)
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{
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Game.Renderer.LineRenderer.DrawLine(p + new float2(-1, -1), p + new float2(-1, 1), c, c);
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Game.Renderer.LineRenderer.DrawLine(p + new float2(-1, 1), p + new float2(1, 1), c, c);
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Game.Renderer.LineRenderer.DrawLine(p + new float2(1, 1), p + new float2(1, -1), c, c);
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Game.Renderer.LineRenderer.DrawLine(p + new float2(1, -1), p + new float2(-1, -1), c, c);
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}
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Game.Renderer.LineRenderer.Flush();
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}
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}
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}
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