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optimize cleanup of empty entities during batch creation

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This commit is contained in:
Mikhail 2026-03-17 15:15:43 +08:00
parent 56fed70c15
commit 2a0cb1085f
1 changed files with 34 additions and 11 deletions
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45
src/EcsWorld.cs
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@ -71,6 +71,7 @@ namespace DCFApixels.DragonECS
private int[] _delEntBuffer = Array.Empty<int>();
private int _delEntBufferCount = 0;
private int[] _emptyEntities = Array.Empty<int>();
private int _emptyEntitiesLength = 0;
private int _emptyEntitiesCount = 0;
private bool _isEnableAutoReleaseDelEntBuffer = true;
@ -441,20 +442,37 @@ namespace DCFApixels.DragonECS
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private void MoveToEmptyEntities(int entityID)
{
_emptyEntities[_emptyEntitiesCount++] = entityID;
_emptyEntities[_emptyEntitiesLength++] = entityID;
_emptyEntitiesCount++;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private bool RemoveFromEmptyEntities(int entityID)
private void RemoveFromEmptyEntities(int entityID)
{
for (int i = _emptyEntitiesCount - 1; i >= 0; i--)
const int THRESHOLD = 16;
_emptyEntitiesCount--;
if (_emptyEntitiesLength < THRESHOLD)
{
if (_emptyEntities[i] == entityID)
for (int i = _emptyEntitiesLength - 1; i >= 0; i--)
{
_emptyEntities[i] = _emptyEntities[--_emptyEntitiesCount];
return true;
if (_emptyEntities[i] == entityID)
{
_emptyEntities[i] = _emptyEntities[--_emptyEntitiesLength];
}
}
}
return false;
#if DRAGONECS_DEEP_DEBUG
if (_emptyEntitiesCount < 0)
{
Throw.DeepDebugException();
}
#endif
if (_emptyEntitiesCount == 0)
{
_emptyEntitiesCount = 0;
_emptyEntitiesLength = 0;
}
}
#endregion
@ -890,16 +908,21 @@ namespace DCFApixels.DragonECS
{
ReleaseDelEntityBuffer(-1);
}
public unsafe void ReleaseDelEntityBuffer(int count)
public void ReleaseDelEntityBuffer(int count)
{
if (_emptyEntitiesCount <= 0 && _delEntBufferCount <= 0) { return; }
if (_emptyEntitiesLength <= 0 && _delEntBufferCount <= 0) { return; }
unchecked { _version++; }
for (int i = 0; i < _emptyEntitiesCount; i++)
for (int i = 0; i < _emptyEntitiesLength; i++)
{
TryDelEntity(_emptyEntities[i]);
var entityID = _emptyEntities[i];
if (IsUsed(entityID) && _entities[entityID].componentsCount == 0)
{
DelEntity(entityID);
}
}
_emptyEntitiesCount = 0;
_emptyEntitiesLength = 0;
if (count < 0)
{