134 lines
3.2 KiB
C#
134 lines
3.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2014 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 COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using System.Drawing;
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using OpenRA.Graphics;
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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(init.self, this); }
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}
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public class DrawLineToTarget : IPostRenderSelection, INotifySelected, INotifyBecomingIdle
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{
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Actor self;
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DrawLineToTargetInfo Info;
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List<Target> targets;
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Color c;
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int lifetime;
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public DrawLineToTarget(Actor self, DrawLineToTargetInfo info) { this.self = self; this.Info = info; }
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public void SetTarget(Actor self, Target target, Color c, bool display)
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{
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this.targets = new List<Target> { target };
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this.c = c;
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if (display)
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lifetime = Info.Ticks;
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}
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public void SetTargets(Actor self, List<Target> targets, Color c, bool display)
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{
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this.targets = targets;
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this.c = c;
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if (display)
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lifetime = Info.Ticks;
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}
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public void Selected(Actor a)
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{
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if (a.IsIdle)
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return;
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// Reset the order line timeout.
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lifetime = Info.Ticks;
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}
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public IEnumerable<IRenderable> RenderAfterWorld(WorldRenderer wr)
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{
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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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yield break;
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if (targets == null || targets.Count == 0)
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yield break;
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foreach (var target in targets)
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{
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if (target.Type == TargetType.Invalid)
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continue;
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yield return new TargetLineRenderable(new[] { self.CenterPosition, target.CenterPosition }, c);
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}
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}
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public void OnBecomingIdle(Actor a)
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{
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if (a.IsIdle)
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targets = null;
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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 SetTargetLines(this Actor self, List<Target> targets, Color color)
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{
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var line = self.TraitOrDefault<DrawLineToTarget>();
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if (line != null)
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self.World.AddFrameEndTask(w => line.SetTargets(self, targets, color, false));
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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)
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return;
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var line = self.TraitOrDefault<DrawLineToTarget>();
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if (line != null)
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line.SetTarget(self, target, color, display);
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});
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}
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public static void SetTargetLine(this Actor self, FrozenActor 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)
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return;
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target.Flash();
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var line = self.TraitOrDefault<DrawLineToTarget>();
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if (line != null)
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line.SetTarget(self, Target.FromPos(target.CenterPosition), color, display);
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});
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}
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}
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} |