56 lines
1.3 KiB
C#
56 lines
1.3 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using OpenRa.GameRules;
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using OpenRa.Traits;
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namespace OpenRa
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{
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public static class Exts
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{
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public static bool HasModifier(this Modifiers k, Modifiers mod)
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{
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return (k & mod) == mod;
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}
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public static IEnumerable<T> SymmetricDifference<T>(this IEnumerable<T> xs, IEnumerable<T> ys)
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{
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// this is probably a shockingly-slow way to do this, but it's concise.
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return xs.Except(ys).Concat(ys.Except(xs));
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}
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public static float Product(this IEnumerable<float> xs)
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{
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return xs.Aggregate(1f, (a, x) => a * x);
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}
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public static WeaponInfo GetPrimaryWeapon(this Actor self)
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{
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var info = self.Info.Traits.GetOrDefault<AttackBaseInfo>();
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if (info == null) return null;
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var weapon = info.PrimaryWeapon;
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if (weapon == null) return null;
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return Rules.WeaponInfo[weapon];
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}
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public static WeaponInfo GetSecondaryWeapon(this Actor self)
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{
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var info = self.Info.Traits.GetOrDefault<AttackBaseInfo>();
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if (info == null) return null;
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var weapon = info.SecondaryWeapon;
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if (weapon == null) return null;
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return Rules.WeaponInfo[weapon];
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}
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public static int GetMaxHP(this Actor self)
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{
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var oai = self.Info.Traits.GetOrDefault<OwnedActorInfo>();
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if (oai == null) return 0;
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return oai.HP;
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}
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}
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}
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