2021-02-23 02:13:14 +02:00

55 lines
2.0 KiB
C#

using System.Collections.Generic;
using System.Linq;
using Leopotam.Ecs;
namespace Asset_Cleaner {
static class EcsUtils {
public static IEnumerable<(T Group, IEnumerable<int> Indices)> GroupBy1<T, T1, T2>(this EcsFilter<T, T1, T2> f, IEqualityComparer<T> comp)
where T : class
where T1 : class
where T2 : class {
foreach (var group in Inner().GroupBy(tuple => tuple.Group, comp))
yield return (group.Key, group.Select(g => g.EcsIndex));
IEnumerable<(T Group, int EcsIndex)> Inner() {
var get1 = f.Get1;
foreach (var i in f) yield return (get1[i], i);
}
}
public static EcsFilter<T> Out<T>(this EcsFilter<T> filter, out T[] get1, out EcsEntity[] entities) where T : class {
get1 = filter.Get1;
entities = filter.Entities;
return filter;
}
public static EcsFilter<T1, T2> Out<T1, T2>(this EcsFilter<T1, T2> filter, out T1[] get1, out T2[] get2, out EcsEntity[] entities)
where T1 : class where T2 : class {
get1 = filter.Get1;
get2 = filter.Get2;
entities = filter.Entities;
return filter;
}
public static EcsFilter<T1, T2, T3> Out<T1, T2, T3>(this EcsFilter<T1, T2, T3> filter, out T1[] get1, out T2[] get2, out T3[] get3, out EcsEntity[] entities)
where T1 : class where T2 : class where T3 : class {
get1 = filter.Get1;
get2 = filter.Get2;
get3 = filter.Get3;
entities = filter.Entities;
return filter;
}
public static void AllDestroy(this EcsFilter f) {
var ecsEntities = f.Entities;
foreach (var i in f)
ecsEntities[i].Destroy();
}
public static void AllUnset<T>(this EcsFilter f) where T : class {
var e = f.Entities;
foreach (var i in f)
e[i].Unset<T>();
}
}
}