smart player afk detection added

WebServers/SignallingWebServer/scripts/app.js

@@ -27,6 +27,51 @@ class TwoWayMap {
         delete this.reverseMap[value];
     }
 }
+// afk
+const get_time_in_seconds = () => {
+	return new Date().getTime() / 1000;
+}
+
+let lastInputTime
+let lastInputSendTime = 0
+let inputSendTimeout = 3
+let cirrusWebsocket = null
+let lastOtherPlayerInput = get_time_in_seconds()
+
+function getOveralLastPlayerInput() {
+    return lastOtherPlayerInput
+}
+
+function updateLastInputTime() {
+    lastInputTime = get_time_in_seconds()
+}
+updateLastInputTime()
+
+function updateLastOtherPlayerInput() {
+    //console.log('last player input')
+    lastOtherPlayerInput = get_time_in_seconds()
+}
+
+const check_input = () => {
+    //console.log('time from last input: ', get_time_in_seconds() - getOveralLastPlayerInput())
+    if (!cirrusWebsocket)
+        return
+    if (lastInputSendTime == lastInputTime) {
+        return
+    }
+    if ((get_time_in_seconds() - lastInputSendTime) > inputSendTimeout) {
+        lastInputSendTime = lastInputTime
+        cirrusWebsocket.send(JSON.stringify({type:"playerInput"}))
+    }
+}
+
+const start_check_input = () => {
+	check_input()
+	setTimeout(() => start_check_input(), 1000)
+}
+
+start_check_input()
+
 
 /**
  * Frontend logic
@@ -1153,6 +1198,7 @@ function createWebRtcOffer() {
 
 function sendInputData(data) {
     if (webRtcPlayerObj) {
+        updateLastInputTime();
         resetAfkWarningTimer();
         webRtcPlayerObj.send(data);
     }
@@ -2744,6 +2790,7 @@ function connect() {
     }
 
     ws.onmessage = function (event) {
+        cirrusWebsocket = ws
 
         // Check if websocket message is binary, if so, stringify it.
         if (event.data && event.data instanceof Blob) {
@@ -2771,6 +2818,8 @@ function connect() {
             console.warn(msg.warning);
         } else if (msg.type === 'peerDataChannels') {
             onWebRtcSFUPeerDatachannels(msg);
+        } else if (msg.type === 'lastOtherPlayerInput') {
+            updateLastOtherPlayerInput();
         } else {
             console.error("Invalid SS message type", msg.type);
         }
@@ -2778,9 +2827,11 @@ function connect() {
 
     ws.onerror = function (event) {
         console.log(`WS error: ${JSON.stringify(event)}`);
+        cirrusWebsocket = null
     };
 
     ws.onclose = function (event) {
+        cirrusWebsocket = null
 
         closeStream();