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using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace Mirror
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{
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[AddComponentMenu("Network/ Interest Management/ Match/Match Interest Management")]
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public class MatchInterestManagement : InterestManagement
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{
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[Header("Diagnostics")]
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[ReadOnly, SerializeField]
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internal ushort matchCount;
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readonly Dictionary<Guid, HashSet<NetworkMatch>> matchObjects =
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new Dictionary<Guid, HashSet<NetworkMatch>>();
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readonly HashSet<Guid> dirtyMatches = new HashSet<Guid>();
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// LateUpdate so that all spawns/despawns/changes are done
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[ServerCallback]
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void LateUpdate()
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{
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// Rebuild all dirty matches
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// dirtyMatches will be empty if no matches changed members
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// by spawning or destroying or changing matchId in this frame.
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foreach (Guid dirtyMatch in dirtyMatches)
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{
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// rebuild always, even if matchObjects[dirtyMatch] is empty.
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// Players might have left the match, but they may still be spawned.
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RebuildMatchObservers(dirtyMatch);
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// clean up empty entries in the dict
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if (matchObjects[dirtyMatch].Count == 0)
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matchObjects.Remove(dirtyMatch);
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}
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dirtyMatches.Clear();
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matchCount = (ushort)matchObjects.Count;
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}
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[ServerCallback]
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void RebuildMatchObservers(Guid matchId)
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{
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foreach (NetworkMatch networkMatch in matchObjects[matchId])
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if (networkMatch.netIdentity != null)
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NetworkServer.RebuildObservers(networkMatch.netIdentity, false);
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}
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// called by NetworkMatch.matchId setter
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[ServerCallback]
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internal void OnMatchChanged(NetworkMatch networkMatch, Guid oldMatch)
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{
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// This object is in a new match so observers in the prior match
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// and the new match need to rebuild their respective observers lists.
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// Remove this object from the hashset of the match it just left
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// Guid.Empty is never a valid matchId
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if (oldMatch != Guid.Empty)
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{
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dirtyMatches.Add(oldMatch);
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matchObjects[oldMatch].Remove(networkMatch);
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}
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// Guid.Empty is never a valid matchId
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if (networkMatch.matchId == Guid.Empty)
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return;
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dirtyMatches.Add(networkMatch.matchId);
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// Make sure this new match is in the dictionary
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if (!matchObjects.ContainsKey(networkMatch.matchId))
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matchObjects[networkMatch.matchId] = new HashSet<NetworkMatch>();
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// Add this object to the hashset of the new match
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matchObjects[networkMatch.matchId].Add(networkMatch);
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}
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[ServerCallback]
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public override void OnSpawned(NetworkIdentity identity)
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{
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if (!identity.TryGetComponent(out NetworkMatch networkMatch))
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return;
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Guid networkMatchId = networkMatch.matchId;
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// Guid.Empty is never a valid matchId...do not add to matchObjects collection
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if (networkMatchId == Guid.Empty)
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return;
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// Debug.Log($"MatchInterestManagement.OnSpawned({identity.name}) currentMatch: {currentMatch}");
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if (!matchObjects.TryGetValue(networkMatchId, out HashSet<NetworkMatch> objects))
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{
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objects = new HashSet<NetworkMatch>();
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matchObjects.Add(networkMatchId, objects);
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}
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objects.Add(networkMatch);
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// Match ID could have been set in NetworkBehaviour::OnStartServer on this object.
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// Since that's after OnCheckObserver is called it would be missed, so force Rebuild here.
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// Add the current match to dirtyMatches for LateUpdate to rebuild it.
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dirtyMatches.Add(networkMatchId);
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}
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[ServerCallback]
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public override void OnDestroyed(NetworkIdentity identity)
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{
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// Don't RebuildSceneObservers here - that will happen in LateUpdate.
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// Multiple objects could be destroyed in same frame and we don't
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// want to rebuild for each one...let LateUpdate do it once.
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// We must add the current match to dirtyMatches for LateUpdate to rebuild it.
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if (identity.TryGetComponent(out NetworkMatch currentMatch))
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{
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if (currentMatch.matchId != Guid.Empty &&
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matchObjects.TryGetValue(currentMatch.matchId, out HashSet<NetworkMatch> objects) &&
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objects.Remove(currentMatch))
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dirtyMatches.Add(currentMatch.matchId);
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}
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}
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[ServerCallback]
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public override bool OnCheckObserver(NetworkIdentity identity, NetworkConnectionToClient newObserver)
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{
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// Never observed if no NetworkMatch component
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if (!identity.TryGetComponent(out NetworkMatch identityNetworkMatch))
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return false;
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// Guid.Empty is never a valid matchId
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if (identityNetworkMatch.matchId == Guid.Empty)
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return false;
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// Never observed if no NetworkMatch component
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if (!newObserver.identity.TryGetComponent(out NetworkMatch newObserverNetworkMatch))
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return false;
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// Guid.Empty is never a valid matchId
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if (newObserverNetworkMatch.matchId == Guid.Empty)
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return false;
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return identityNetworkMatch.matchId == newObserverNetworkMatch.matchId;
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}
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[ServerCallback]
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public override void OnRebuildObservers(NetworkIdentity identity, HashSet<NetworkConnectionToClient> newObservers)
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{
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if (!identity.TryGetComponent(out NetworkMatch networkMatch))
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return;
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// Guid.Empty is never a valid matchId
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if (networkMatch.matchId == Guid.Empty)
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return;
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// Abort if this match hasn't been created yet by OnSpawned or OnMatchChanged
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if (!matchObjects.TryGetValue(networkMatch.matchId, out HashSet<NetworkMatch> objects))
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return;
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// Add everything in the hashset for this object's current match
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foreach (NetworkMatch netMatch in objects)
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if (netMatch.netIdentity != null && netMatch.netIdentity.connectionToClient != null)
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newObservers.Add(netMatch.netIdentity.connectionToClient);
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}
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}
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}
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@ -0,0 +1,18 @@
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fileFormatVersion: 2
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guid: d09f5c8bf2f4747b7a9284ef5d9ce2a7
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MonoImporter:
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externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {fileID: 2800000, guid: 7453abfe9e8b2c04a8a47eb536fe21eb, type: 3}
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userData:
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assetBundleName:
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assetBundleVariant:
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AssetOrigin:
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serializedVersion: 1
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productId: 129321
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packageName: Mirror
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packageVersion: 96.0.1
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assetPath: Assets/Mirror/Components/InterestManagement/Match/MatchInterestManagement.cs
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uploadId: 736421
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@ -0,0 +1,42 @@
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// simple component that holds match information
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using System;
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using UnityEngine;
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namespace Mirror
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{
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[DisallowMultipleComponent]
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[AddComponentMenu("Network/ Interest Management/ Match/Network Match")]
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[HelpURL("https://mirror-networking.gitbook.io/docs/guides/interest-management")]
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public class NetworkMatch : NetworkBehaviour
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{
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Guid _matchId;
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#pragma warning disable IDE0052 // Suppress warning for unused field...this is for debugging purposes
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[SerializeField, ReadOnly]
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[Tooltip("Match ID is shown here on server for debugging purposes.")]
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string MatchID = string.Empty;
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#pragma warning restore IDE0052
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///<summary>Set this to the same value on all networked objects that belong to a given match</summary>
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public Guid matchId
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{
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get => _matchId;
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set
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{
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if (!NetworkServer.active)
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throw new InvalidOperationException("matchId can only be set at runtime on active server");
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if (_matchId == value)
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return;
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Guid oldMatch = _matchId;
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_matchId = value;
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MatchID = value.ToString();
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// Only inform the AOI if this netIdentity has been spawned (isServer) and only if using a MatchInterestManagement
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if (isServer && NetworkServer.aoi is MatchInterestManagement matchInterestManagement)
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matchInterestManagement.OnMatchChanged(this, oldMatch);
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}
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}
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}
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}
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@ -0,0 +1,18 @@
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fileFormatVersion: 2
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||||
guid: 5d17e718851449a6879986e45c458fb7
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MonoImporter:
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||||
externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {fileID: 2800000, guid: 7453abfe9e8b2c04a8a47eb536fe21eb, type: 3}
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userData:
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assetBundleName:
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assetBundleVariant:
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AssetOrigin:
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serializedVersion: 1
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productId: 129321
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packageName: Mirror
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packageVersion: 96.0.1
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assetPath: Assets/Mirror/Components/InterestManagement/Match/NetworkMatch.cs
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uploadId: 736421
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