85 lines
2.4 KiB
C#
85 lines
2.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2017 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, 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.Linq;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Gives experience levels to the collector.")]
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class LevelUpCrateActionInfo : CrateActionInfo
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{
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[Desc("Number of experience levels to give.")]
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public readonly int Levels = 1;
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[Desc("The range to search for extra collectors in.", "Extra collectors will also be granted the crate action.")]
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public readonly WDist Range = new WDist(3);
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[Desc("The maximum number of extra collectors to grant the crate action to.")]
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public readonly int MaxExtraCollectors = 4;
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public override object Create(ActorInitializer init) { return new LevelUpCrateAction(init.Self, this); }
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}
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class LevelUpCrateAction : CrateAction
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{
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readonly Actor self;
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readonly LevelUpCrateActionInfo info;
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public LevelUpCrateAction(Actor self, LevelUpCrateActionInfo info)
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: base(self, info)
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{
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this.self = self;
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this.info = info;
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}
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public override int GetSelectionShares(Actor collector)
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{
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var ge = collector.TraitOrDefault<GainsExperience>();
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return ge != null && ge.CanGainLevel ? info.SelectionShares : 0;
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}
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public override void Activate(Actor collector)
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{
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var inRange = self.World.FindActorsInCircle(self.CenterPosition, info.Range).Where(a =>
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{
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// Don't touch the same unit twice
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if (a == collector)
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return false;
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// Only affect the collecting player's units
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// TODO: Also apply to allied units?
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if (a.Owner != collector.Owner)
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return false;
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// Ignore units that can't level up
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var ge = a.TraitOrDefault<GainsExperience>();
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return ge != null && ge.CanGainLevel;
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});
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if (info.MaxExtraCollectors > -1)
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inRange = inRange.Take(info.MaxExtraCollectors);
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foreach (var actor in inRange.Append(collector))
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{
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var recipient = actor; // loop variable in closure hazard
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recipient.World.AddFrameEndTask(w =>
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{
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var gainsExperience = recipient.TraitOrDefault<GainsExperience>();
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if (gainsExperience != null)
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gainsExperience.GiveLevels(info.Levels);
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});
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}
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base.Activate(collector);
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}
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}
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}
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