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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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perf(networked-vars): Skip NetworkList set operation when value uncha… 
…nged

Added equality check in NetworkList indexer setter to avoid unnecessary operations when the new value equals the existing value. This improves performance by preventing redundant list events and network synchronization.
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@harayuu9
harayuu9 committed Aug 6, 2025
commit 0d80039041d477f9865f5f9f65c601eb8c708a67
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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