InterestGroup









How do I use Interest Group
Below are practical examples compiled from projects for learning and reference purposes

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File name: LoadbalancingPeer.cs Copy
463         public virtual bool OpRaiseEvent(byte eventCode, object customEventContent, bool sendReliable, RaiseEventOptions raiseEventOptions)
464         {
465             opParameters.Clear(); // re-used private variable to avoid many new Dictionary() calls (garbage collection)
466             opParameters[(byte)LiteOpKey.Code] = (byte)eventCode;
467             if (customEventContent != null)
468             {
469                 opParameters[(byte) LiteOpKey.Data] = customEventContent;
470             }
471
472             if (raiseEventOptions == null)
473             {
474                 raiseEventOptions = RaiseEventOptions.Default;
475             }
476             else
477             {
478                 if (raiseEventOptions.CachingOption != EventCaching.DoNotCache)
479                 {
480                     opParameters[(byte) LiteOpKey.Cache] = (byte) raiseEventOptions.CachingOption;
481                 }
482                 if (raiseEventOptions.Receivers != ReceiverGroup.Others)
483                 {
484                     opParameters[(byte) LiteOpKey.ReceiverGroup] = (byte) raiseEventOptions.Receivers;
485                 }
486                 if (raiseEventOptions.InterestGroup != 0)
487                 {
488                     opParameters[(byte) LiteOpKey.Group] = (byte) raiseEventOptions.InterestGroup;
489                 }
490                 if (raiseEventOptions.TargetActors != null)
491                 {
492                     opParameters[(byte) LiteOpKey.ActorList] = raiseEventOptions.TargetActors;
493                 }
494                 if (raiseEventOptions.ForwardToWebhook)
495                 {
496                     opParameters[(byte) ParameterCode.EventForward] = true; //TURNBASED
497                 }
498             }
499
500             return this.OpCustom((byte)LiteOpCode.RaiseEvent, opParameters, sendReliable, raiseEventOptions.SequenceChannel, raiseEventOptions.Encrypt);
501         }
File name: NetworkingPeer.cs Copy
2890     /// (byte)0 -> (int) ViewId (combined from actorNr and actor-unique-id)
2891     /// (byte)1 -> (short) prefix (level)
2895     /// (byte)5 -> (byte) method shortcut (alternative to name)
2899     internal void RPC(PhotonView view, string methodName, PhotonTargets target, bool encrypt, params object[] parameters)
2900     {
2901         if (this.blockSendingGroups.Contains(view.group))
2902         {
2903             return; // Block sending on this group
2904         }
2905
2906         if (view.viewID < 1)
2907         {
2908             Debug.LogError("Illegal view ID:" + view.viewID + " method: " + methodName + " GO:" + view.gameObject.name);
2909         }
2910
2911         if (PhotonNetwork.logLevel >= PhotonLogLevel.Full)
2912             Debug.Log("Sending RPC \"" + methodName + "\" to " + target);
2913
2914
2915         //ts: changed RPCs to a one-level hashtable as described in internal.txt
2916         Hashtable rpcEvent = new Hashtable();
2917         rpcEvent[(byte)0] = (int)view.viewID; // LIMITS NETWORKVIEWS&PLAYERS
2918         if (view.prefix > 0)
2919         {
2920             rpcEvent[(byte)1] = (short)view.prefix;
2921         }
2922         rpcEvent[(byte)2] = this.ServerTimeInMilliSeconds;
2923
2924
2925         // send name or shortcut (if available)
2926         int shortcut = 0;
2927         if (rpcShortcuts.TryGetValue(methodName, out shortcut))
2928         {
2929             rpcEvent[(byte)5] = (byte)shortcut; // LIMITS RPC COUNT
2930         }
2931         else
2932         {
2933             rpcEvent[(byte)3] = methodName;
2934         }
2935
2936         if (parameters != null && parameters.Length > 0)
2937         {
2938             rpcEvent[(byte)4] = (object[])parameters;
2939         }
2940
2941         // Check scoping
2942         if (target == PhotonTargets.All)
2943         {
2944             RaiseEventOptions options = new RaiseEventOptions() { InterestGroup = (byte)view.group, Encrypt = encrypt };
2945             this.OpRaiseEvent(PunEvent.RPC, rpcEvent, true, options);
2946
2947             // Execute local
2948             this.ExecuteRPC(rpcEvent, this.mLocalActor);
2949         }
2950         else if (target == PhotonTargets.Others)
2951         {
2952             RaiseEventOptions options = new RaiseEventOptions() { InterestGroup = (byte)view.group, Encrypt = encrypt };
2953             this.OpRaiseEvent(PunEvent.RPC, rpcEvent, true, options);
2954         }
2955         else if (target == PhotonTargets.AllBuffered)
2956         {
2957             RaiseEventOptions options = new RaiseEventOptions() { CachingOption = EventCaching.AddToRoomCache, Encrypt = encrypt };
2958             this.OpRaiseEvent(PunEvent.RPC, rpcEvent, true, options);
2959
2960             // Execute local
2961             this.ExecuteRPC(rpcEvent, this.mLocalActor);
2962         }
2963         else if (target == PhotonTargets.OthersBuffered)
2964         {
2965             RaiseEventOptions options = new RaiseEventOptions() { CachingOption = EventCaching.AddToRoomCache, Encrypt = encrypt };
2966             this.OpRaiseEvent(PunEvent.RPC, rpcEvent, true, options);
2967         }
2968         else if (target == PhotonTargets.MasterClient)
2969         {
2970             if (this.mMasterClient == this.mLocalActor)
2971             {
2972                 this.ExecuteRPC(rpcEvent, this.mLocalActor);
2973             }
2974             else
2975             {
2976                 RaiseEventOptions options = new RaiseEventOptions() { Receivers = ReceiverGroup.MasterClient, Encrypt = encrypt };
2977                 this.OpRaiseEvent(PunEvent.RPC, rpcEvent, true, options);
2978             }
2979         }
2980         else if (target == PhotonTargets.AllViaServer)
2981         {
2982             RaiseEventOptions options = new RaiseEventOptions() { InterestGroup = (byte)view.group, Receivers = ReceiverGroup.All, Encrypt = encrypt };
2983             this.OpRaiseEvent(PunEvent.RPC, rpcEvent, true, options);
2984             if (PhotonNetwork.offlineMode)
2985             {
2986                 this.ExecuteRPC(rpcEvent, this.mLocalActor);
2987             }
2988         }
2989         else if (target == PhotonTargets.AllBufferedViaServer)
2990         {
2991             RaiseEventOptions options = new RaiseEventOptions() { InterestGroup = (byte)view.group, Receivers = ReceiverGroup.All, CachingOption = EventCaching.AddToRoomCache, Encrypt = encrypt };
2992             this.OpRaiseEvent(PunEvent.RPC, rpcEvent, true, options);
2993             if (PhotonNetwork.offlineMode)
2994             {
2995                 this.ExecuteRPC(rpcEvent, this.mLocalActor);
2996             }
2997         }
2998         else
2999         {
3000             Debug.LogError("Unsupported target enum: " + target);
3001         }
3002     }
File name: NetworkingPeer.cs Copy
3147     public void RunViewUpdate()
3148     {
3149         if (!PhotonNetwork.connected || PhotonNetwork.offlineMode)
3150         {
3151             return;
3152         }
3153
3154         if (this.mActors == null ||
3155#if !PHOTON_DEVELOP
3156             this.mActors.Count <= 1
3157#endif
3158             )
3159         {
3160             return; // No need to send OnSerialize messages (these are never buffered anyway)
3161         }
3162
3163         dataPerGroupReliable.Clear();
3164         dataPerGroupUnreliable.Clear();
3165
3166         /* Format of the data hashtable:
3167          * Hasthable dataPergroup*
3168          * [(byte)0] = this.ServerTimeInMilliSeconds;
3169          * OPTIONAL: [(byte)1] = currentLevelPrefix;
3170          * + data
3171          */
3172
3173         foreach (KeyValuePair kvp in this.photonViewList)
3174         {
3175             PhotonView view = kvp.Value;
3176
3177             if (view.synchronization != ViewSynchronization.Off)
3178             {
3179                 // Fetch all sending photonViews
3180                 if (view.isMine)
3181                 {
3182                     #if UNITY_2_6_1 || UNITY_2_6 || UNITY_3_0 || UNITY_3_0_0 || UNITY_3_1 || UNITY_3_2 || UNITY_3_3 || UNITY_3_4 || UNITY_3_5
3183                     if (!view.gameObject.active)
3184                     {
3185                         continue; // Only on actives
3186                     }
3187                     #else
3188                     if (!view.gameObject.activeInHierarchy)
3189                     {
3190                         continue; // Only on actives
3191                     }
3192                     #endif
3193
3194                     if (this.blockSendingGroups.Contains(view.group))
3195                     {
3196                         continue; // Block sending on this group
3197                     }
3198
3199                     // Run it trough its OnSerialize
3200                     Hashtable evData = this.OnSerializeWrite(view);
3201                     if (evData == null)
3202                     {
3203                         continue;
3204                     }
3205
3206                     if (view.synchronization == ViewSynchronization.ReliableDeltaCompressed || view.mixedModeIsReliable)
3207                     {
3208                         if (!evData.ContainsKey((byte)1) && !evData.ContainsKey((byte)2))
3209                         {
3210                             // Everything has been removed by compression, nothing to send
3211                         }
3212                         else
3213                         {
3214                             if (!dataPerGroupReliable.ContainsKey(view.group))
3215                             {
3216                                 dataPerGroupReliable[view.group] = new Hashtable();
3217                                 dataPerGroupReliable[view.group][(byte)0] = this.ServerTimeInMilliSeconds;
3218                                 if (currentLevelPrefix >= 0)
3219                                 {
3220                                     dataPerGroupReliable[view.group][(byte)1] = this.currentLevelPrefix;
3221                                 }
3222                             }
3223                             Hashtable groupHashtable = dataPerGroupReliable[view.group];
3224                             groupHashtable.Add((short)groupHashtable.Count, evData);
3225                         }
3226                     }
3227                     else
3228                     {
3229                         if (!dataPerGroupUnreliable.ContainsKey(view.group))
3230                         {
3231                             dataPerGroupUnreliable[view.group] = new Hashtable();
3232                             dataPerGroupUnreliable[view.group][(byte)0] = this.ServerTimeInMilliSeconds;
3233                             if (currentLevelPrefix >= 0)
3234                             {
3235                                 dataPerGroupUnreliable[view.group][(byte)1] = this.currentLevelPrefix;
3236                             }
3237                         }
3238                         Hashtable groupHashtable = dataPerGroupUnreliable[view.group];
3239                         groupHashtable.Add((short)groupHashtable.Count, evData);
3240                     }
3241                 }
3242                 else
3243                 {
3244                     // Debug.Log(" NO OBS on " + view.name + " " + view.owner);
3245                 }
3246             }
3247             else
3248             {
3249             }
3250         }
3251
3252         //Send the messages: every group is send in it's own message and unreliable and reliable are split as well
3253         RaiseEventOptions options = new RaiseEventOptions();
3254
3255#if PHOTON_DEVELOP
3256         options.Receivers = ReceiverGroup.All;
3257#endif
3258
3259         foreach (KeyValuePair kvp in dataPerGroupReliable)
3260         {
3261             options.InterestGroup = (byte)kvp.Key;
3262             this.OpRaiseEvent(PunEvent.SendSerializeReliable, kvp.Value, true, options);
3263         }
3264         foreach (KeyValuePair kvp in dataPerGroupUnreliable)
3265         {
3266             options.InterestGroup = (byte)kvp.Key;
3267             this.OpRaiseEvent(PunEvent.SendSerialize, kvp.Value, false, options);
3268         }
3269     }

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