80 lines
2.7 KiB
C#
80 lines
2.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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.Collections.Generic;
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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("This actor gives experience to a GainsExperience actor when they are killed.")]
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class GivesExperienceInfo : TraitInfo
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{
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[Desc("If -1, use the value of the unit cost.")]
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public readonly int Experience = -1;
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[Desc("Stance the attacking player needs to receive the experience.")]
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public readonly PlayerRelationship ValidStances = PlayerRelationship.Neutral | PlayerRelationship.Enemy;
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[Desc("Percentage of the `Experience` value that is being granted to the killing actor.")]
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public readonly int ActorExperienceModifier = 10000;
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[Desc("Percentage of the `Experience` value that is being granted to the player owning the killing actor.")]
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public readonly int PlayerExperienceModifier = 0;
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public override object Create(ActorInitializer init) { return new GivesExperience(init.Self, this); }
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}
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class GivesExperience : INotifyKilled, INotifyCreated
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{
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readonly GivesExperienceInfo info;
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int exp;
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IEnumerable<int> experienceModifiers;
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public GivesExperience(Actor self, GivesExperienceInfo info)
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{
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this.info = info;
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}
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void INotifyCreated.Created(Actor self)
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{
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var valued = self.Info.TraitInfoOrDefault<ValuedInfo>();
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exp = info.Experience >= 0 ? info.Experience
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: valued != null ? valued.Cost : 0;
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experienceModifiers = self.TraitsImplementing<IGivesExperienceModifier>().ToArray().Select(m => m.GetGivesExperienceModifier());
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}
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void INotifyKilled.Killed(Actor self, AttackInfo e)
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{
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if (exp == 0 || e.Attacker == null || e.Attacker.Disposed)
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return;
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if (!info.ValidStances.HasStance(e.Attacker.Owner.RelationshipWith(self.Owner)))
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return;
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exp = Util.ApplyPercentageModifiers(exp, experienceModifiers);
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var killer = e.Attacker.TraitOrDefault<GainsExperience>();
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if (killer != null)
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{
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var killerExperienceModifier = e.Attacker.TraitsImplementing<IGainsExperienceModifier>()
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.Select(x => x.GetGainsExperienceModifier()).Append(info.ActorExperienceModifier);
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killer.GiveExperience(Util.ApplyPercentageModifiers(exp, killerExperienceModifier));
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}
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e.Attacker.Owner.PlayerActor.TraitOrDefault<PlayerExperience>()
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?.GiveExperience(Util.ApplyPercentageModifiers(exp, new[] { info.PlayerExperienceModifier }));
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}
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}
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}
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