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GetProcesses optimization

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This commit is contained in:
Mikhail 2024-07-08 11:08:04 +08:00
parent 0c3cb79119
commit ba3ce72029
1 changed files with 28 additions and 1 deletions
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29
src/EcsPipeline.cs
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@ -99,11 +99,38 @@ namespace DCFApixels.DragonECS
}
else
{
result = _allSystems.OfType<T>().ToArray();
result = CreateProcess<T>();
_processes.Add(type, result);
}
return new EcsProcess<T>(result);
}
[ThreadStatic]
private static IEcsProcess[] _buffer;
private T[] CreateProcess<T>() where T : IEcsProcess
{
if(_buffer == null || _buffer.Length < _allSystems.Length)
{
if(_buffer == null)
{
_buffer = new IEcsProcess[_allSystems.Length];
}
else
{
Array.Resize(ref _buffer, _allSystems.Length);
}
}
int l = 0;
for (int i = 0, iMax = _allSystems.Length; i < iMax; i++)
{
if (_allSystems[i] is T)
{
_buffer[l++] = _allSystems[i];
}
}
T[] result = new T[l];
Array.Copy(_buffer, result, l);
return result;
}
#endregion
#region GetRunner