Game ID Added to VR Broadcast (#5)

FusedVR · Aug 10, 2021 · ed59b5b · ed59b5b
1 parent d75c0e0
commit ed59b5b
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Showing 2 changed files with 29 additions and 3 deletions.
diff --git a/Runtime/Scripts/VRBroadcast.cs b/Runtime/Scripts/VRBroadcast.cs
@@ -12,6 +12,7 @@
 using System.Linq;
 using UnityEngine;
 using Unity.RenderStreaming;
+using Newtonsoft.Json;
 
 namespace FusedVR.VRStreaming {
     /// <summary>
@@ -21,6 +22,14 @@ namespace FusedVR.VRStreaming {
     public class VRBroadcast : SignalingHandlerBase,
         IOfferHandler, IAddChannelHandler, IDisconnectHandler, IDeletedConnectionHandler {
 
+        #region Variables
+        /// <summary>
+        /// Check if client is listening for the same GameID
+        /// </summary>
+        [SerializeField]
+        [Tooltip("This ID should match the input from the Web Browser. Leave blank to match against anything")]
+        private string gameID = "";
+
         /// <summary>
         /// Streams (video, audio, data) that need to be sent to the client
         /// </summary>
@@ -31,6 +40,7 @@ public class VRBroadcast : SignalingHandlerBase,
         /// List of all connectionIds that are connected
         /// </summary>
         private List<string> connectionIds = new List<string>();
+        #endregion
 
         #region Disconnect
         public void OnDeletedConnection(SignalingEventData eventData) {
@@ -63,13 +73,20 @@ private void Disconnect(string connectionId) {
         /// Determines whether to accept offer and if so that to apply sources and submit answer
         /// </summary>
         public void OnOffer(SignalingEventData data) {
+
+            string inputGID = GetGameID(data.sdp);
+            if ( gameID.Length != 0 && inputGID != gameID) {
+                Debug.Log($"Offer Doesn't Match My GameID : {inputGID}");
+                return;
+            }
+
             if (connectionIds.Count >= 1) { //if there is more than 1 connection, let's skip this offer
-                Debug.Log($"Already answered this connectionId : {connectionIds[0]}");
+                Debug.LogWarning($"Already answered this connectionId : {connectionIds[0]}");
                 return;
             }
 
             if (connectionIds.Contains(data.connectionId)) { //if connection is already connected, skip offer
-                Debug.Log($"Already answered this connectionId : {data.connectionId}");
+                Debug.LogWarning($"Already answered this connectionId : {data.connectionId}");
                 return;
             }
             connectionIds.Add(data.connectionId); //confirm we will use this connection
@@ -93,5 +110,13 @@ public void OnAddChannel(SignalingEventData data) {
                 FirstOrDefault(r => r.Channel == null && !r.IsLocal);
             channel?.SetChannel(data.connectionId, data.channel);
         }
+
+        private string GetGameID(string sdp) {
+            string[] parameters = sdp.Split('\n'); //split on new line
+            string customParam = parameters[parameters.Length - 2].Split('=')[1]; //get line before last new line and split on =
+            string value = ""; //get dictionary value
+            JsonConvert.DeserializeObject<Dictionary<string, string>>(customParam).TryGetValue("user", out value);
+            return value;
+        }
     }
 }
diff --git a/package.json b/package.json
@@ -4,7 +4,8 @@
   "displayName": "FusedVR Streaming",
   "description": "This VR Streaming Package contains a minimal SDK & prefabs to implement VR Streaming (CloudXR) using WebRTC and Unity Remote Rendering",
   "dependencies": {
-    "com.unity.renderstreaming": "3.0.1-preview"
+    "com.unity.renderstreaming": "3.0.1-preview",
+    "com.unity.nuget.newtonsoft-json": "2.0.0"
   },
   "keywords": [
     "vr",