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add entlongs iterator to EcsGroup

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This commit is contained in:
Mikhail 2023-07-02 21:41:06 +08:00
parent 43c5adc6cc
commit 8f76a1cf2e
1 changed files with 44 additions and 4 deletions
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48
src/EcsGroup.cs
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@ -71,7 +71,10 @@ namespace DCFApixels.DragonECS
public void Bake(List<int> entities) => _source.Bake(entities); public void Bake(List<int> entities) => _source.Bake(entities);
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
public ReadOnlySpan<int> ToSpan() => _source.ToSpan(); public ReadOnlySpan<int> ToSpan() => _source.ToSpan();
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public ReadOnlySpan<int> ToSpan(int start, int length) => _source.ToSpan(start, length); public ReadOnlySpan<int> ToSpan(int start, int length) => _source.ToSpan(start, length);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public EcsGroup.LongsIterator GetLongs() => _source.GetLongs();
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
public int First() => _source.First(); public int First() => _source.First();
@ -430,10 +433,7 @@ namespace DCFApixels.DragonECS
#region Enumerator #region Enumerator
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
public Enumerator GetEnumerator() public Enumerator GetEnumerator() => new Enumerator(this);
{
return new Enumerator(this);
}
IEnumerator IEnumerable.GetEnumerator() IEnumerator IEnumerable.GetEnumerator()
{ {
for (int i = 0; i < _count; i++) for (int i = 0; i < _count; i++)
@ -444,6 +444,7 @@ namespace DCFApixels.DragonECS
for (int i = 0; i < _count; i++) for (int i = 0; i < _count; i++)
yield return _dense[i]; yield return _dense[i];
} }
public LongsIterator GetLongs() => new LongsIterator(this);
public ref struct Enumerator public ref struct Enumerator
{ {
private readonly int[] _dense; private readonly int[] _dense;
@ -464,6 +465,45 @@ namespace DCFApixels.DragonECS
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
public bool MoveNext() => ++_index <= _count && _count < _dense.Length; // <= потму что отсчет начинается с индекса 1 //_count < _dense.Length дает среде понять что проверки на выход за границы не нужны public bool MoveNext() => ++_index <= _count && _count < _dense.Length; // <= потму что отсчет начинается с индекса 1 //_count < _dense.Length дает среде понять что проверки на выход за границы не нужны
} }
public readonly struct LongsIterator : IEnumerable<entlong>
{
private readonly EcsGroup _group;
public LongsIterator(EcsGroup group) => _group = group;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public Enumerator GetEnumerator() => new Enumerator(_group);
IEnumerator IEnumerable.GetEnumerator()
{
for (int i = 0; i < _group._count; i++)
yield return _group.World.GetEntityLong(_group._dense[i]);
}
IEnumerator<entlong> IEnumerable<entlong>.GetEnumerator()
{
for (int i = 0; i < _group._count; i++)
yield return _group.World.GetEntityLong(_group._dense[i]);
}
public ref struct Enumerator
{
private readonly EcsWorld world;
private readonly int[] _dense;
private readonly int _count;
private int _index;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public Enumerator(EcsGroup group)
{
world = group.World;
_dense = group._dense;
_count = group._count;
_index = 0;
}
public entlong Current
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => world.GetEntityLong(_dense[_index]);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public bool MoveNext() => ++_index <= _count && _count < _dense.Length; // <= потму что отсчет начинается с индекса 1 //_count < _dense.Length дает среде понять что проверки на выход за границы не нужны
}
}
#endregion #endregion
#region Object #region Object