From 73eda14d0c277fc7a82856334950e189fe977e5e Mon Sep 17 00:00:00 2001
From: Matthew Cotton <matthew.cotton@xa.epicgames.com>
Date: Tue, 26 Jul 2022 11:41:17 +1000
Subject: [PATCH 1/3] Adding offer to receive flag

---
 SignallingWebServer/cirrus.js      | 5 ++++-
 SignallingWebServer/scripts/app.js | 9 +++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/SignallingWebServer/cirrus.js b/SignallingWebServer/cirrus.js
index f121c1be..f533e759 100644
--- a/SignallingWebServer/cirrus.js
+++ b/SignallingWebServer/cirrus.js
@@ -554,7 +554,10 @@ playerServer.on('connection', function (ws, req) {
 		
 		logIncoming(`player ${playerId}`, msg.type, msgRaw);
 
-		if (msg.type == 'answer') {
+		if (msg.type == 'offer') {
+			msg.playerId = playerId;
+			sendMessageToController(msg, skipSFU);
+		} else if (msg.type == 'answer') {
 			msg.playerId = playerId;
 			sendMessageToController(msg, skipSFU, skipStreamer);
 		} else if (msg.type == 'iceCandidate') {
diff --git a/SignallingWebServer/scripts/app.js b/SignallingWebServer/scripts/app.js
index 29a18738..39be49aa 100644
--- a/SignallingWebServer/scripts/app.js
+++ b/SignallingWebServer/scripts/app.js
@@ -10,6 +10,7 @@ let rAF = window.mozRequestAnimationFrame ||
 let kbEvent = document.createEvent("KeyboardEvent");
 let initMethod = typeof kbEvent.initKeyboardEvent !== 'undefined' ? "initKeyboardEvent" : "initKeyEvent";
 
+let offerToReceive = true;
 
 let webRtcPlayerObj = null;
 let print_stats = false;
@@ -1034,7 +1035,9 @@ function setupWebRtcPlayer(htmlElement, config) {
         createOnScreenKeyboardHelpers(htmlElement);
     }
 
-    //createWebRtcOffer();
+    if (offerToReceive) {
+       createWebRtcOffer();
+    }
 
     return webRtcPlayerObj.video;
 }
@@ -2285,7 +2288,9 @@ function connect() {
             console.log("%c[Inbound SS (playerCount)]", "background: lightblue; color: black", msg);
         } else if (msg.type === 'offer') {
             console.log("%c[Inbound SS (offer)]", "background: lightblue; color: black", msg);
-            onWebRtcOffer(msg);
+            if (!offerToReceive) {
+                onWebRtcOffer(msg);
+            }
         } else if (msg.type === 'answer') {
             console.log("%c[Inbound SS (answer)]", "background: lightblue; color: black", msg);
             onWebRtcAnswer(msg);

From 10b519bb107f7ae09cc4237b312686f4670278ed Mon Sep 17 00:00:00 2001
From: Matthew Cotton <matthew.cotton@xa.epicgames.com>
Date: Tue, 26 Jul 2022 11:59:56 +1000
Subject: [PATCH 2/3] Setting default offer to receive to false.

---
 SignallingWebServer/scripts/app.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SignallingWebServer/scripts/app.js b/SignallingWebServer/scripts/app.js
index 5503e4b6..bfb279c2 100644
--- a/SignallingWebServer/scripts/app.js
+++ b/SignallingWebServer/scripts/app.js
@@ -10,7 +10,7 @@ let rAF = window.mozRequestAnimationFrame ||
 let kbEvent = document.createEvent("KeyboardEvent");
 let initMethod = typeof kbEvent.initKeyboardEvent !== 'undefined' ? "initKeyboardEvent" : "initKeyEvent";
 
-let offerToReceive = true;
+let offerToReceive = false;
 
 let webRtcPlayerObj = null;
 let print_stats = false;

From bf76d7d6f1022dd6ee3bcf8f5cd8a8a75ab10088 Mon Sep 17 00:00:00 2001
From: Matthew Cotton <matthew.cotton@xa.epicgames.com>
Date: Tue, 26 Jul 2022 12:57:08 +1000
Subject: [PATCH 3/3] Moving the offer to receive toggle to the front end.

---
 SignallingWebServer/Public/player.html |  7 +++++++
 SignallingWebServer/scripts/app.js     | 11 +++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/SignallingWebServer/Public/player.html b/SignallingWebServer/Public/player.html
index c19f5c38..ec22e1d1 100644
--- a/SignallingWebServer/Public/player.html
+++ b/SignallingWebServer/Public/player.html
@@ -105,6 +105,13 @@
 								<div class="tgl-slider"></div>
 							</label>
 						</div>
+						<div id="offerToReceive" class="setting">
+							<div class="settings-text">Offer To Receive</div>
+							<label class="tgl-switch">
+								<input type="checkbox" id="offer-receive-tgl" class="tgl tgl-flat">
+								<div class="tgl-slider"></div>
+							</label>
+						</div>
 						<div id="preferSFU" class="setting">
 							<div class="settings-text">Prefer SFU</div>
 							<label class="tgl-switch">
diff --git a/SignallingWebServer/scripts/app.js b/SignallingWebServer/scripts/app.js
index bfb279c2..e52fc0df 100644
--- a/SignallingWebServer/scripts/app.js
+++ b/SignallingWebServer/scripts/app.js
@@ -10,8 +10,6 @@ let rAF = window.mozRequestAnimationFrame ||
 let kbEvent = document.createEvent("KeyboardEvent");
 let initMethod = typeof kbEvent.initKeyboardEvent !== 'undefined' ? "initKeyboardEvent" : "initKeyEvent";
 
-let offerToReceive = false;
-
 let webRtcPlayerObj = null;
 let print_stats = false;
 let print_inputs = false;
@@ -412,6 +410,7 @@ function setupHtmlEvents() {
     setupToggleWithUrlParams("force-mono-tgl", "ForceMonoAudio");
     setupToggleWithUrlParams("control-tgl", "hoveringMouse");
     setupToggleWithUrlParams("cursor-tgl", "hideBrowserCursor");
+    setupToggleWithUrlParams("offer-receive-tgl", "offerToReceive");
 
 
     var streamSelector = document.getElementById('stream-select');
@@ -461,6 +460,10 @@ function setupToggleWithUrlParams(toggleId, urlParameterKey){
     }
 }
 
+function UrlParamsCheck(urlParameterKey) {
+    return new URLSearchParams(window.location.search).has(urlParameterKey);
+}
+
 var streamTrackSource = null;
 
 function updateStreamList() {
@@ -1038,7 +1041,7 @@ function setupWebRtcPlayer(htmlElement, config) {
         createOnScreenKeyboardHelpers(htmlElement);
     }
 
-    if (offerToReceive) {
+    if (UrlParamsCheck('offerToReceive')) {
        createWebRtcOffer();
     }
 
@@ -2310,7 +2313,7 @@ function connect() {
             console.log("%c[Inbound SS (playerCount)]", "background: lightblue; color: black", msg);
         } else if (msg.type === 'offer') {
             console.log("%c[Inbound SS (offer)]", "background: lightblue; color: black", msg);
-            if (!offerToReceive) {
+            if (!UrlParamsCheck('offerToReceive')) {
                 onWebRtcOffer(msg);
             }
         } else if (msg.type === 'answer') {