104 lines
2.7 KiB
C#
104 lines
2.7 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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using OpenRA.Graphics;
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using OpenRA.Effects;
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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 : IPostRenderSelection
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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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Target target;
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int lifetime;
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Color c;
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public void SetTarget(Actor self, Target 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 SetTargetSilently(Actor self, Target target, Color c)
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{
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this.target = target;
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this.c = c;
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}
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public void RenderAfterWorld(WorldRenderer wr, Actor self)
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{
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if (self.IsIdle) return;
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var force = Game.GetModifierKeys().HasModifier(Modifiers.Alt);
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if ((lifetime <= 0 || --lifetime <= 0) && !force)
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return;
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if (!target.IsValid)
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return;
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var p = target.CenterLocation;
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var move = self.TraitOrDefault<IMove>();
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var origin = move != null ? self.CenterLocation - new int2(0, move.Altitude) : self.CenterLocation;
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Game.Renderer.LineRenderer.DrawLine(origin, p, c, c);
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for (bool b = false; !b; p = origin, 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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}
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}
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public static class LineTargetExts
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{
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public static void SetTargetLine(this Actor self, Target target, Color color)
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{
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self.SetTargetLine(target, color, true);
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}
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public static void SetTargetLine(this Actor self, Target target, Color color, bool display)
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{
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if (self.Owner != self.World.LocalPlayer)
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return;
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self.World.AddFrameEndTask(w =>
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{
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if (self.Destroyed) return;
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if (target.IsActor && display)
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w.Add(new FlashTarget(target.Actor));
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var line = self.TraitOrDefault<DrawLineToTarget>();
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if (line != null)
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if (display)
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line.SetTarget(self, target, color);
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else
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line.SetTargetSilently(self, target, color);
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});
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}
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}
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}
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