47 lines
1.4 KiB
C#
47 lines
1.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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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 OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Scale power amount with the current health.")]
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public class ScalePowerWithHealthInfo : TraitInfo, Requires<PowerInfo>, Requires<IHealthInfo>
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{
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public override object Create(ActorInitializer init) { return new ScalePowerWithHealth(init.Self); }
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}
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public class ScalePowerWithHealth : IPowerModifier, INotifyDamage, INotifyOwnerChanged
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{
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readonly IHealth health;
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PowerManager power;
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public ScalePowerWithHealth(Actor self)
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{
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power = self.Owner.PlayerActor.Trait<PowerManager>();
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health = self.Trait<IHealth>();
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}
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int IPowerModifier.GetPowerModifier()
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{
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// Cast to long to avoid overflow when multiplying by the health
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return (int)(100L * health.HP / health.MaxHP);
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}
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void INotifyDamage.Damaged(Actor self, AttackInfo e) { power.UpdateActor(self); }
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void INotifyOwnerChanged.OnOwnerChanged(Actor self, Player oldOwner, Player newOwner)
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{
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power = newOwner.PlayerActor.Trait<PowerManager>();
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}
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}
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}
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