103 lines
2.8 KiB
C#
103 lines
2.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2018 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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using OpenRA.Activities;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Activities
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{
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public class CaptureActor : Enter
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{
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readonly Actor actor;
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readonly Building building;
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readonly Capturable capturable;
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readonly Captures[] captures;
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readonly Health health;
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public CaptureActor(Actor self, Actor target)
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: base(self, target, EnterBehaviour.Dispose)
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{
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actor = target;
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building = actor.TraitOrDefault<Building>();
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captures = self.TraitsImplementing<Captures>().ToArray();
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capturable = target.Trait<Capturable>();
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health = actor.Trait<Health>();
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}
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protected override bool CanReserve(Actor self)
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{
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return !capturable.BeingCaptured && capturable.CanBeTargetedBy(self, actor.Owner);
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}
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protected override void OnInside(Actor self)
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{
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if (actor.IsDead || capturable.BeingCaptured || capturable.IsTraitDisabled)
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return;
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if (building != null && !building.Lock())
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return;
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self.World.AddFrameEndTask(w =>
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{
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if (building != null && building.Locked)
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building.Unlock();
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var activeCaptures = captures.FirstOrDefault(c => !c.IsTraitDisabled);
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if (actor.IsDead || capturable.BeingCaptured || activeCaptures == null)
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return;
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var capturesInfo = activeCaptures.Info;
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// Cast to long to avoid overflow when multiplying by the health
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var lowEnoughHealth = health.HP <= (int)(capturable.Info.CaptureThreshold * (long)health.MaxHP / 100);
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if (!capturesInfo.Sabotage || lowEnoughHealth || actor.Owner.NonCombatant)
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{
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var oldOwner = actor.Owner;
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actor.ChangeOwner(self.Owner);
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foreach (var t in actor.TraitsImplementing<INotifyCapture>())
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t.OnCapture(actor, self, oldOwner, self.Owner);
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if (building != null && building.Locked)
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building.Unlock();
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if (self.Owner.Stances[oldOwner].HasStance(capturesInfo.PlayerExperienceStances))
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{
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var exp = self.Owner.PlayerActor.TraitOrDefault<PlayerExperience>();
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if (exp != null)
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exp.GiveExperience(capturesInfo.PlayerExperience);
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}
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}
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else
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{
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// Cast to long to avoid overflow when multiplying by the health
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var damage = (int)((long)health.MaxHP * capturesInfo.SabotageHPRemoval / 100);
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actor.InflictDamage(self, new Damage(damage));
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}
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self.Dispose();
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});
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}
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public override Activity Tick(Actor self)
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{
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if (captures.All(c => c.IsTraitDisabled))
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Cancel(self);
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return base.Tick(self);
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}
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}
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}
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