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perf: Optimize NetworkList indexer setter performance #3585

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perf: Optimize NetworkList indexer setter performance #3585

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0d80039
perf(networked-vars): Skip NetworkList set operation when value uncha…
harayuu9 Aug 6, 2025
d2ed595
docs: Add CHANGELOG entry for NetworkList optimization (#????)
harayuu9 Aug 6, 2025
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2 changes: 2 additions & 0 deletions com.unity.netcode.gameobjects/CHANGELOG.md
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Expand Up @@ -19,6 +19,8 @@ Additional documentation and release notes are available at [Multiplayer Documen

### Changed

- Optimized `NetworkList<T>` indexer setter to skip operations when the new value equals the existing value, improving performance by avoiding unnecessary list events and network synchronization. (#????)


## [2.5.0] - 2025-08-01

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7 changes: 7 additions & 0 deletions com.unity.netcode.gameobjects/Runtime/NetworkVariable/Collections/NetworkList.cs
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Expand Up @@ -617,6 +617,13 @@ public T this[int index]
}

var previousValue = m_List[index];

// Compare the Value being applied to the current value
if (NetworkVariableSerialization<T>.AreEqual(ref previousValue, ref value))
{
return;
}

m_List[index] = value;

var listEvent = new NetworkListEvent<T>()
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