94 lines
2.7 KiB
C#
94 lines
2.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 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.Linq;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Grants an upgrade to the collector.")]
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public class GrantUpgradeCrateActionInfo : CrateActionInfo
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{
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[UpgradeGrantedReference, FieldLoader.Require]
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[Desc("The upgrades to apply.")]
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public readonly string[] Upgrades = { };
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[Desc("Duration of the upgrade (in ticks). Set to 0 for a permanent upgrade.")]
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public readonly int Duration = 0;
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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.", "-1 = no limit")]
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public readonly int MaxExtraCollectors = 4;
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public override object Create(ActorInitializer init) { return new GrantUpgradeCrateAction(init.Self, this); }
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}
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public class GrantUpgradeCrateAction : CrateAction
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{
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readonly Actor self;
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readonly GrantUpgradeCrateActionInfo info;
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public GrantUpgradeCrateAction(Actor self, GrantUpgradeCrateActionInfo 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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bool AcceptsUpgrade(Actor a)
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{
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var um = a.TraitOrDefault<UpgradeManager>();
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return um != null && (info.Duration > 0 ?
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info.Upgrades.Any(u => um.AcknowledgesUpgrade(a, u)) : info.Upgrades.Any(u => um.AcceptsUpgrade(a, u)));
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}
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public override int GetSelectionShares(Actor collector)
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{
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return AcceptsUpgrade(collector) ? 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 actorsInRange = self.World.FindActorsInCircle(self.CenterPosition, info.Range)
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.Where(a => a != self && a != collector && a.Owner == collector.Owner && AcceptsUpgrade(a));
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if (info.MaxExtraCollectors > -1)
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actorsInRange = actorsInRange.Take(info.MaxExtraCollectors);
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collector.World.AddFrameEndTask(w =>
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{
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foreach (var a in actorsInRange.Append(collector))
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{
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if (!a.IsInWorld || a.IsDead)
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continue;
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var um = a.TraitOrDefault<UpgradeManager>();
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foreach (var u in info.Upgrades)
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{
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if (info.Duration > 0)
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{
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if (um.AcknowledgesUpgrade(a, u))
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um.GrantTimedUpgrade(a, u, info.Duration);
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}
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else
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{
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if (um.AcceptsUpgrade(a, u))
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um.GrantUpgrade(a, u, this);
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}
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}
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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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} |