35 lines
1 KiB
C#
35 lines
1 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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namespace Gallium
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{
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public static class WhereAllComponentsExtensions
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{
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public static IEnumerable<Entity> WhereAllComponents<T1>(
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this IEnumerable<Entity> entities)
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{
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return entities.Where(x => x.Has<T1>());
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}
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public static IEnumerable<Entity> WhereAllComponents<T1, T2>(
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this IEnumerable<Entity> entities)
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{
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return entities.Where(x => x.Has<T1>() && x.Has<T2>());
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}
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public static IEnumerable<Entity> WhereAllComponents<T1, T2, T3>(
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this IEnumerable<Entity> entities)
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{
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return entities.Where(
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x => x.Has<T1>() && x.Has<T2>() && x.Has<T3>());
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}
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public static IEnumerable<Entity> WhereAllComponents<T1, T2, T3, T4>(
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this IEnumerable<Entity> entities)
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{
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return entities.Where(
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x => x.Has<T1>() && x.Has<T2>() && x.Has<T3>() && x.Has<T4>());
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}
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}
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}
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