First tests and integration of radio panel

frontend/react/package.json

@@ -19,6 +19,7 @@
     "@types/leaflet": "^1.9.8",
     "@types/react-leaflet": "^3.0.0",
     "@types/turf": "^3.5.32",
+    "buffer": "^6.0.3",
     "js-sha256": "^0.11.0",
     "leaflet": "^1.9.4",
     "leaflet-control-mini-map": "^0.4.0",
@@ -32,6 +33,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.6.0",
+    "@types/node": "^22.5.1",
     "@types/react": "^18.2.66",
     "@types/react-dom": "^18.2.22",
     "@typescript-eslint/parser": "^7.14.1",

frontend/react/src/audio/audiomanager.ts

@@ -0,0 +1,88 @@
+import { AudioRadioSetting } from "../interfaces";
+import { getApp } from "../olympusapp";
+import { Buffer } from "buffer";
+import { MicrophoneHandler } from "./microphonehandler";
+
+enum MessageType {
+  audio,
+  settings,
+}
+
+export class AudioManager {
+  #radioSettings: AudioRadioSetting[] = [
+    {
+      frequency: 124000000,
+      modulation: 0,
+      ptt: false,
+      tuned: false,
+      volume: 0.5,
+    },
+  ];
+
+  #microphoneHandlers: (MicrophoneHandler | null)[] =[];
+
+  #address: string = "localhost";
+  #port: number = 4000;
+  #socket: WebSocket | null = null;
+
+  constructor() {
+    document.addEventListener("configLoaded", () => {
+      let config = getApp().getConfig();
+      if (config["WSPort"]) {
+        this.setPort(config["WSPort"]);
+        this.start();
+      }
+    });
+
+    this.#microphoneHandlers = this.#radioSettings.map(() => null);
+  }
+
+  start() {
+    let res = this.#address.match(/(?:http|https):\/\/(.+):/);
+    let wsAddress = res ? res[1] : this.#address;
+
+    this.#socket = new WebSocket(`ws://${wsAddress}:${this.#port}`);
+
+    this.#socket.addEventListener("open", (event) => {
+      console.log("Connection to audio websocket successfull");
+    });
+
+    this.#socket.addEventListener("error", (event) => {
+      console.log(event);
+    });
+
+    this.#socket.addEventListener("message", (event) => {
+      console.log("Message from server ", event.data);
+    });
+  }
+
+  setAddress(address) {
+    this.#address = address;
+  }
+
+  setPort(port) {
+    this.#port = port;
+  }
+
+  getRadioSettings() {
+    return JSON.parse(JSON.stringify(this.#radioSettings));
+  }
+
+  setRadioSettings(radioSettings: AudioRadioSetting[]) {
+    this.#radioSettings = radioSettings;
+
+    let message = {
+      type: "Settings update",
+      settings: this.#radioSettings,
+    };
+
+    this.#radioSettings.forEach((setting, idx) => {
+      if (setting.ptt && !this.#microphoneHandlers[idx]) {
+        this.#microphoneHandlers[idx] = new MicrophoneHandler(this.#socket, setting);
+      }
+    })
+
+    if (this.#socket?.readyState == 1)
+      this.#socket?.send(new Uint8Array([MessageType.settings, ...Buffer.from(JSON.stringify(message), "utf-8")]));
+  }
+}

frontend/react/src/audio/audiopacket.ts

@@ -0,0 +1,70 @@
+import { Buffer } from "buffer";
+
+function getBytes(value, length) {
+  let res: number[] = [];
+  for (let i = 0; i < length; i++) {
+    res.push(value & 255);
+    value = value >> 8;
+  }
+  return res;
+}
+
+function doubleToByteArray(number) {
+  var buffer = new ArrayBuffer(8); // JS numbers are 8 bytes long, or 64 bits
+  var longNum = new Float64Array(buffer); // so equivalent to Float64
+
+  longNum[0] = number;
+
+  return Array.from(new Uint8Array(buffer));
+}
+
+var packetID = 0;
+
+export class AudioPacket {
+  #packet: Uint8Array;
+
+  constructor(data, settings) {
+    let header: number[] = [0, 0, 0, 0, 0, 0];
+
+    let encFrequency: number[] = [...doubleToByteArray(settings.frequency)];
+    let encModulation: number[] = [settings.modulation];
+    let encEncryption: number[] = [0];
+
+    let encUnitID: number[] = getBytes(100000001, 4);
+    let encPacketID: number[] = getBytes(packetID, 8);
+    packetID++;
+    let encHops: number[] = [0];
+
+    let packet: number[] = ([] as number[]).concat(
+      header,
+      [...data],
+      encFrequency,
+      encModulation,
+      encEncryption,
+      encUnitID,
+      encPacketID,
+      encHops,
+      [...Buffer.from("ImF72dh9EYcIDyYRGaF9S9", "utf-8")],
+      [...Buffer.from("ImF72dh9EYcIDyYRGaF9S9", "utf-8")]
+    );
+
+    let encPacketLen = getBytes(packet.length, 2);
+    packet[0] = encPacketLen[0];
+    packet[1] = encPacketLen[1];
+
+    let encAudioLen = getBytes(data.length, 2);
+    packet[2] = encAudioLen[0];
+    packet[3] = encAudioLen[1];
+
+    let frequencyAudioLen = getBytes(10, 2);
+    packet[4] = frequencyAudioLen[0];
+    packet[5] = frequencyAudioLen[1];
+
+
+    this.#packet = new Uint8Array([0].concat(packet));
+  }
+
+  getArray() {
+    return this.#packet;
+  }
+}

frontend/react/src/audio/microphonehandler.ts

@@ -0,0 +1,52 @@
+import { AudioRadioSetting } from "../interfaces";
+import { AudioPacket } from "./audiopacket";
+
+export class MicrophoneHandler {
+  #socket: WebSocket;
+  #setting: AudioRadioSetting;
+
+  constructor(socket, setting) {
+    this.#socket = socket;
+    this.#setting = setting;
+
+    console.log("Starting microphone handler");
+
+    //@ts-ignore
+    let getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
+
+    if (getUserMedia) {
+      //@ts-ignore
+      navigator.getUserMedia(
+        { audio: {
+          sampleRate: 16000,
+          channelCount: 1,
+          volume: 1.0
+        } },
+        (stream) => {
+          this.start_microphone(stream);
+        },
+         (e) => {
+          alert("Error capturing audio.");
+        }
+      );
+    } else {
+      alert("getUserMedia not supported in this browser.");
+    }
+  }
+
+  start_microphone(stream) {
+    const recorder = new MediaRecorder(stream);
+
+    // fires every one second and passes an BlobEvent
+    recorder.ondataavailable = async (event) => {
+      // get the Blob from the event
+      const blob = event.data;
+
+      let rawData = await blob.arrayBuffer();
+      let packet = new AudioPacket(new Uint8Array(rawData), this.#setting);
+      this.#socket.send(packet.getArray());
+    };
+
+    recorder.start(200);
+  }
+}

frontend/react/src/eventscontext.tsx

@@ -8,6 +8,7 @@ export const EventsContext = createContext({
   setDrawingMenuVisible: (e: boolean) => {},
   setOptionsMenuVisible: (e: boolean) => {},
   setAirbaseMenuVisible: (e: boolean) => {},
+  setRadioMenuVisible: (e: boolean) => {},
   toggleMainMenuVisible: () => {},
   toggleSpawnMenuVisible: () => {},
   toggleUnitControlMenuVisible: () => {},
@@ -15,6 +16,7 @@ export const EventsContext = createContext({
   toggleDrawingMenuVisible: () => {},
   toggleOptionsMenuVisible: () => {},
   toggleAirbaseMenuVisible: () => {},
+  toggleRadioMenuVisible: () => {},
 });
 
 export const EventsProvider = EventsContext.Provider;

frontend/react/src/interfaces.ts

@@ -291,3 +291,11 @@ export interface ServerStatus {
   connected: boolean;
   paused: boolean;
 }
+
+export interface AudioRadioSetting {
+  frequency: number;
+  modulation: number;
+  volume: number;
+  ptt: boolean;
+  tuned: boolean;
+}

frontend/react/src/olympusapp.ts

@@ -25,6 +25,7 @@ import { helicopterDatabase } from "./unit/databases/helicopterdatabase";
 import { groundUnitDatabase } from "./unit/databases/groundunitdatabase";
 import { navyUnitDatabase } from "./unit/databases/navyunitdatabase";
 import { Coalition, Context } from "./types/types";
+import { AudioManager } from "./audio/audiomanager";
 
 export var VERSION = "{{OLYMPUS_VERSION_NUMBER}}";
 export var IP = window.location.toString();
@@ -45,6 +46,7 @@ export class OlympusApp {
   #shortcutManager: ShortcutManager | null = null;
   #unitsManager: UnitsManager | null = null;
   #weaponsManager: WeaponsManager | null = null;
+  #audioManager: AudioManager | null = null;
   //#pluginsManager: // TODO
 
   /* Current context */
@@ -79,6 +81,10 @@ export class OlympusApp {
   getMissionManager() {
     return this.#missionManager as MissionManager;
   }
+  
+  getAudioManager() {
+    return this.#audioManager as AudioManager;
+  }
 
   /* TODO
     getPluginsManager() {
@@ -151,9 +157,11 @@ export class OlympusApp {
     this.#shortcutManager = new ShortcutManager();
     this.#unitsManager = new UnitsManager();
     this.#weaponsManager = new WeaponsManager();
+    this.#audioManager = new AudioManager();
 
     /* Set the address of the server */
     this.getServerManager().setAddress(window.location.href.split("?")[0].replace("vite/", ""));
+    this.getAudioManager().setAddress(window.location.href.split("?")[0].replace("vite/", ""));
 
     /* Setup all global events */
     this.#setupEvents();

frontend/react/src/statecontext.tsx

@@ -9,6 +9,7 @@ export const StateContext = createContext({
   drawingMenuVisible: false,
   optionsMenuVisible: false,
   airbaseMenuVisible: false,
+  radioMenuVisible: false,
   mapHiddenTypes: MAP_HIDDEN_TYPES_DEFAULTS,
   mapOptions: MAP_OPTIONS_DEFAULTS,
   mapSources: [] as string[],

frontend/react/src/ui/components/olfrequencyinput.tsx

@@ -0,0 +1,56 @@
+import React from "react";
+import { ChangeEvent } from "react";
+import { OlNumberInput } from "./olnumberinput";
+
+export function OlFrequencyInput(props: { value: number; className?: string; onChange: (value: number) => void }) {
+  let frequency = props.value;
+
+  return (
+    <div className={`
+      ${props.className}
+      flex gap-2
+    `}>
+      <OlNumberInput
+        min={1}
+        max={400}
+        onChange={(e) => {
+          let newValue = Math.max(Math.min(Number(e.target.value), 400), 1) * 1000000;
+          let decimalPart = frequency - Math.floor(frequency / 1000000) * 1000000;
+          frequency = newValue + decimalPart;
+          props.onChange(frequency);
+        }}
+        onDecrease={() => {
+          frequency = Math.max(Math.min(Number(frequency - 1000000), 400000000), 1000000);
+          props.onChange(frequency);
+        }}
+        onIncrease={() => {
+          frequency = Math.max(Math.min(Number(frequency + 1000000), 400000000), 1000000);
+          props.onChange(frequency);
+        }}
+        value={Math.floor(frequency / 1000000)}
+      ></OlNumberInput>
+      <div className="my-auto">.</div>
+      <OlNumberInput
+        min={0}
+        max={990}
+        minLength={3}
+        onChange={(e) => {
+          let newValue = Math.max(Math.min(Number(e.target.value), 990), 0) * 1000;
+          let integerPart = Math.floor(frequency / 1000000) * 1000000;
+          frequency = newValue + integerPart;
+          props.onChange(frequency);
+        }}
+        onDecrease={() => {
+          frequency = Math.max(Math.min(Number(frequency - 25000), 400000000), 1000000);
+          props.onChange(frequency);
+        }}
+        onIncrease={() => {
+          frequency = Math.max(Math.min(Number(frequency + 25000), 400000000), 1000000);
+          props.onChange(frequency);
+        }}
+        value={(frequency - Math.floor(frequency / 1000000) * 1000000) / 1000}
+      ></OlNumberInput>
+      <div className="my-auto">MHz</div>
+    </div>
+  );
+}

frontend/react/src/ui/components/olrangeslider.tsx

@@ -5,6 +5,7 @@ export function OlRangeSlider(props: {
   min?: number;
   max?: number;
   step?: number;
+  className?: string;
   onChange: (e: ChangeEvent<HTMLInputElement>) => void;
 }) {
   var elementRef = useRef(null);
@@ -28,6 +29,7 @@ export function OlRangeSlider(props: {
       max={props.max ?? 100}
       step={props.step ?? 1}
       className={`
+        ${props.className}
         h-2 w-full cursor-pointer appearance-none rounded-lg bg-gray-200
         dark:bg-gray-700
       `}

frontend/react/src/ui/panels/optionsmenu.tsx

@@ -6,7 +6,7 @@ import { OlNumberInput } from "../components/olnumberinput";
 import { MapOptions } from "../../types/types";
 import { getApp } from "../../olympusapp";
 
-export function Options(props: { open: boolean; onClose: () => void; options: MapOptions; children?: JSX.Element | JSX.Element[] }) {
+export function OptionsMenu(props: { open: boolean; onClose: () => void; options: MapOptions; children?: JSX.Element | JSX.Element[] }) {
   return (
     <Menu title="User preferences" open={props.open} showBackButton={false} onClose={props.onClose}>
       <div

frontend/react/src/ui/panels/radiomenu.tsx

@@ -0,0 +1,73 @@
+import React, { useEffect, useState } from "react";
+import { Menu } from "./components/menu";
+import { OlCheckbox } from "../components/olcheckbox";
+import { OlRangeSlider } from "../components/olrangeslider";
+import { OlNumberInput } from "../components/olnumberinput";
+import { MapOptions } from "../../types/types";
+import { getApp } from "../../olympusapp";
+import { OlFrequencyInput } from "../components/olfrequencyinput";
+import { OlStateButton } from "../components/olstatebutton";
+import { faEarListen, faMicrophoneLines } from "@fortawesome/free-solid-svg-icons";
+import { OlLabelToggle } from "../components/ollabeltoggle";
+import { FaVolumeHigh } from "react-icons/fa6";
+
+export function RadioMenu(props: { open: boolean; onClose: () => void; children?: JSX.Element | JSX.Element[] }) {
+  const [frequency1, setFrequency1] = useState(124000000);
+  const [ptt1, setPTT1] = useState(false);
+  const [frequency2, setFrequency2] = useState(251000000);
+  const [frequency3, setFrequency3] = useState(243000000);
+  const [frequency4, setFrequency4] = useState(11200000);
+
+  useEffect(() => {
+    if (getApp()) {
+      let settings = getApp().getAudioManager().getRadioSettings();
+      settings[0].frequency = frequency1;
+      settings[0].ptt = ptt1;
+      getApp().getAudioManager().setRadioSettings(settings);
+    }
+  });
+
+  return (
+    <Menu title="Radio" open={props.open} showBackButton={false} onClose={props.onClose}>
+      <div
+        className={`
+          flex flex-col gap-2 p-5 font-normal text-gray-800
+          dark:text-white
+        `}
+      >
+        <div
+          className={`
+            flex flex-col content-center justify-between gap-2 rounded-md
+            bg-olympus-200/30 py-3 pl-4 pr-5
+          `}
+        >
+          Radio 1
+          <OlFrequencyInput
+            value={frequency1}
+            onChange={(value) => {
+              setFrequency1(value);
+            }}
+          />
+          <div className="flex gap-4 py-2">
+            <FaVolumeHigh className="h-8 w-8 p-1" />
+            <OlRangeSlider value={50} onChange={() => {}} className="my-auto" />
+            <span className="my-auto">50</span>
+          </div>
+          <div className="flex flex-row gap-2">
+            <OlLabelToggle leftLabel="AM" rightLabel="FM" toggled={false} onClick={() => {}}></OlLabelToggle>
+            <OlStateButton
+              className="ml-auto"
+              checked={ptt1}
+              icon={faMicrophoneLines}
+              onClick={() => {
+                setPTT1(!ptt1);
+              }}
+              tooltip="Talk on frequency"
+            ></OlStateButton>
+            <OlStateButton checked={false} icon={faEarListen} onClick={() => {}} tooltip="Tune to radio"></OlStateButton>
+          </div>
+        </div>
+      </div>
+    </Menu>
+  );
+}

frontend/react/src/ui/panels/sidebar.tsx

@@ -1,6 +1,6 @@
 import React, { useState } from "react";
 import { OlStateButton } from "../components/olstatebutton";
-import { faGamepad, faRuler, faPencil, faEllipsisV, faCog, faQuestionCircle, faPlusSquare, faMagnifyingGlass, faPlaneDeparture } from "@fortawesome/free-solid-svg-icons";
+import { faGamepad, faRuler, faPencil, faEllipsisV, faCog, faQuestionCircle, faPlusSquare, faMagnifyingGlass, faPlaneDeparture, faRadio } from "@fortawesome/free-solid-svg-icons";
 import { EventsConsumer } from "../../eventscontext";
 import { StateConsumer } from "../../statecontext";
 import { IDLE } from "../../constants/constants";
@@ -58,6 +58,12 @@ export function SideBar() {
                     icon={faPlaneDeparture}
                     tooltip="Hide/show airbase menu"
                   ></OlStateButton>
+                  <OlStateButton
+                    onClick={events.toggleRadioMenuVisible}
+                    checked={appState.radioMenuVisible}
+                    icon={faRadio}
+                    tooltip="Hide/show radio menu"
+                  ></OlStateButton>
                 </div>
               </div>
               <div className="flex w-16 flex-wrap content-end justify-center p-4">

frontend/react/src/ui/panels/unitcontrolmenu.tsx

@@ -48,6 +48,7 @@ import { FaRadio } from "react-icons/fa6";
 import { OlNumberInput } from "../components/olnumberinput";
 import { Radio, TACAN } from "../../interfaces";
 import { OlStringInput } from "../components/olstringinput";
+import { OlFrequencyInput } from "../components/olfrequencyinput";
 
 export function UnitControlMenu(props: { open: boolean; onClose: () => void }) {
   const [selectedUnits, setSelectedUnits] = useState([] as Unit[]);
@@ -1112,71 +1113,12 @@ export function UnitControlMenu(props: { open: boolean; onClose: () => void }) {
 
                   <div className="text-sm text-gray-200">Radio frequency</div>
                   <div className="flex content-center gap-2">
-                    <OlNumberInput
-                      min={1}
-                      max={400}
-                      onChange={(e) => {
-                        let newValue = Math.max(Math.min(Number(e.target.value), 400), 1) * 1000000;
-                        if (activeAdvancedSettings) {
-                          let decimalPart = activeAdvancedSettings.radio.frequency - Math.floor(activeAdvancedSettings.radio.frequency / 1000000) * 1000000;
-                          activeAdvancedSettings.radio.frequency = newValue + decimalPart;
-                        }
+                    <OlFrequencyInput value={activeAdvancedSettings? activeAdvancedSettings.radio.frequency: 124000000} onChange={(value) => {
+                      if (activeAdvancedSettings) {
+                        activeAdvancedSettings.radio.frequency = value;
                         setActiveAdvancedSettings(JSON.parse(JSON.stringify(activeAdvancedSettings)));
-                      }}
-                      onDecrease={() => {
-                        if (activeAdvancedSettings)
-                          activeAdvancedSettings.radio.frequency = Math.max(
-                            Math.min(Number(activeAdvancedSettings.radio.frequency - 1000000), 400000000),
-                            1000000
-                          );
-                        setActiveAdvancedSettings(JSON.parse(JSON.stringify(activeAdvancedSettings)));
-                      }}
-                      onIncrease={() => {
-                        if (activeAdvancedSettings)
-                          activeAdvancedSettings.radio.frequency = Math.max(
-                            Math.min(Number(activeAdvancedSettings.radio.frequency + 1000000), 400000000),
-                            1000000
-                          );
-                        setActiveAdvancedSettings(JSON.parse(JSON.stringify(activeAdvancedSettings)));
-                      }}
-                      value={activeAdvancedSettings ? Math.floor(activeAdvancedSettings.radio.frequency / 1000000) : 124}
-                    ></OlNumberInput>
-                    <div className="my-auto">.</div>
-                    <OlNumberInput
-                      min={0}
-                      max={990}
-                      minLength={3}
-                      onChange={(e) => {
-                        let newValue = Math.max(Math.min(Number(e.target.value), 990), 0) * 1000;
-                        if (activeAdvancedSettings) {
-                          let integerPart = Math.floor(activeAdvancedSettings.radio.frequency / 1000000) * 1000000;
-                          activeAdvancedSettings.radio.frequency = newValue + integerPart;
-                        }
-                        setActiveAdvancedSettings(JSON.parse(JSON.stringify(activeAdvancedSettings)));
-                      }}
-                      onDecrease={() => {
-                        if (activeAdvancedSettings)
-                          activeAdvancedSettings.radio.frequency = Math.max(
-                            Math.min(Number(activeAdvancedSettings.radio.frequency - 25000), 400000000),
-                            1000000
-                          );
-                        setActiveAdvancedSettings(JSON.parse(JSON.stringify(activeAdvancedSettings)));
-                      }}
-                      onIncrease={() => {
-                        if (activeAdvancedSettings)
-                          activeAdvancedSettings.radio.frequency = Math.max(
-                            Math.min(Number(activeAdvancedSettings.radio.frequency + 25000), 400000000),
-                            1000000
-                          );
-                        setActiveAdvancedSettings(JSON.parse(JSON.stringify(activeAdvancedSettings)));
-                      }}
-                      value={
-                        activeAdvancedSettings
-                          ? (activeAdvancedSettings.radio.frequency - Math.floor(activeAdvancedSettings.radio.frequency / 1000000) * 1000000) / 1000
-                          : 0
                       }
-                    ></OlNumberInput>
-                    <div className="my-auto">MHz</div>
+                    }}/>
                   </div>
 
                   <div className="flex pt-8">

frontend/react/src/ui/ui.tsx

@@ -9,7 +9,7 @@ import { SpawnMenu } from "./panels/spawnmenu";
 import { UnitControlMenu } from "./panels/unitcontrolmenu";
 import { MainMenu } from "./panels/mainmenu";
 import { SideBar } from "./panels/sidebar";
-import { Options } from "./panels/options";
+import { OptionsMenu } from "./panels/optionsmenu";
 import { MapHiddenTypes, MapOptions } from "../types/types";
 import { BLUE_COMMANDER, CONTEXT_ACTION, GAME_MASTER, IDLE, MAP_HIDDEN_TYPES_DEFAULTS, MAP_OPTIONS_DEFAULTS, RED_COMMANDER } from "../constants/constants";
 import { getApp, setupApp } from "../olympusapp";
@@ -22,6 +22,7 @@ import { ControlsPanel } from "./panels/controlspanel";
 import { MapContextMenu } from "./contextmenus/mapcontextmenu";
 import { AirbaseMenu } from "./panels/airbasemenu";
 import { Airbase } from "../mission/airbase";
+import { RadioMenu } from "./panels/radiomenu";
 
 export type OlympusUIState = {
   mainMenuVisible: boolean;
@@ -42,6 +43,7 @@ export function UI() {
   const [unitControlMenuVisible, setUnitControlMenuVisible] = useState(false);
   const [measureMenuVisible, setMeasureMenuVisible] = useState(false);
   const [drawingMenuVisible, setDrawingMenuVisible] = useState(false);
+  const [radioMenuVisible, setRadioMenuVisible] = useState(false);
   const [optionsMenuVisible, setOptionsMenuVisible] = useState(false);
   const [airbaseMenuVisible, setAirbaseMenuVisible] = useState(false);
   const [mapHiddenTypes, setMapHiddenTypes] = useState(MAP_HIDDEN_TYPES_DEFAULTS);
@@ -97,6 +99,7 @@ export function UI() {
     setDrawingMenuVisible(false);
     setOptionsMenuVisible(false);
     setAirbaseMenuVisible(false);
+    setRadioMenuVisible(false);
   }
 
   function checkPassword(password: string) {
@@ -153,6 +156,7 @@ export function UI() {
           drawingMenuVisible: drawingMenuVisible,
           optionsMenuVisible: optionsMenuVisible,
           airbaseMenuVisible: airbaseMenuVisible,
+          radioMenuVisible: radioMenuVisible,
           mapOptions: mapOptions,
           mapHiddenTypes: mapHiddenTypes,
           mapSources: mapSources,
@@ -169,6 +173,7 @@ export function UI() {
             setMeasureMenuVisible: setMeasureMenuVisible,
             setOptionsMenuVisible: setOptionsMenuVisible,
             setAirbaseMenuVisible: setAirbaseMenuVisible,
+            setRadioMenuVisible: setRadioMenuVisible,
             toggleMainMenuVisible: () => {
               hideAllMenus();
               setMainMenuVisible(!mainMenuVisible);
@@ -197,6 +202,10 @@ export function UI() {
               hideAllMenus();
               setAirbaseMenuVisible(!airbaseMenuVisible);
             },
+            toggleRadioMenuVisible: () => {
+              hideAllMenus();
+              setRadioMenuVisible(!radioMenuVisible);
+            },
           }}
         >
           <Header />
@@ -227,10 +236,11 @@ export function UI() {
             <div id="map-container" className="z-0 h-full w-screen" />
             <MainMenu open={mainMenuVisible} onClose={() => setMainMenuVisible(false)} />
             <SpawnMenu open={spawnMenuVisible} onClose={() => setSpawnMenuVisible(false)} />
-            <Options open={optionsMenuVisible} onClose={() => setOptionsMenuVisible(false)} options={mapOptions} />
+            <OptionsMenu open={optionsMenuVisible} onClose={() => setOptionsMenuVisible(false)} options={mapOptions} />
             <UnitControlMenu open={unitControlMenuVisible} onClose={() => setUnitControlMenuVisible(false)} />
             <DrawingMenu open={drawingMenuVisible} onClose={() => setDrawingMenuVisible(false)} />
             <AirbaseMenu open={airbaseMenuVisible} onClose={() => setAirbaseMenuVisible(false)} airbase={airbase}/>
+            <RadioMenu open={radioMenuVisible} onClose={() => setRadioMenuVisible(false)} />
 
             <MiniMapPanel />
             <ControlsPanel />

frontend/server/package.json

@@ -10,6 +10,7 @@
   },
   "private": true,
   "dependencies": {
+    "@discordjs/opus": "^0.9.0",
     "appjs": "^0.0.20",
     "appjs-win32": "^0.0.19",
     "body-parser": "^1.20.2",
@@ -21,6 +22,7 @@
     "express-basic-auth": "^1.2.1",
     "http-proxy-middleware": "^2.0.6",
     "morgan": "~1.9.1",
+    "node-opus": "^0.3.3",
     "open": "^10.0.0",
     "regedit": "^5.1.2",
     "save": "^2.9.0",
@@ -28,6 +30,7 @@
     "srtm-elevation": "^2.1.2",
     "tcp-ping-port": "^1.0.1",
     "uuid": "^9.0.1",
+    "wavefile": "^11.0.0",
     "ws": "^8.18.0",
     "yargs": "^17.7.2"
   },

frontend/server/src/app.ts

@@ -5,6 +5,7 @@ import logger = require("morgan");
 import fs = require("fs");
 import bodyParser = require("body-parser");
 import cors = require("cors");
+import { AudioBackend } from "./audio/audiobackend";
 
 /* Load the proxy middleware plugin */
 import httpProxyMiddleware = require("http-proxy-middleware");
@@ -83,5 +84,10 @@ module.exports = function (configLocation, viteProxy) {
     });
   }
 
+  if (config["audio"]) {
+    let audioBackend = new AudioBackend(config["audio"]["SRSPort"], config["audio"]["WSPort"]);
+    audioBackend.start();
+  }
+
   return app;
 };

frontend/server/src/audio/audiobackend.ts

@@ -0,0 +1,27 @@
+import { WebSocketServer } from "ws";
+import { SRSHandler } from "./srshandler";
+
+export class AudioBackend {
+  SRSPort: number = 5002;
+  WSPort: number = 4000;
+  handlers: SRSHandler[] = [];
+
+  constructor(SRSPort, WSPort) {
+    this.SRSPort = SRSPort ?? this.SRSPort;
+    this.WSPort = WSPort ?? this.WSPort;
+  }
+
+  start() {
+    const wss = new WebSocketServer({ port: this.WSPort });
+
+    wss.on("connection", (ws) => {
+      this.handlers.push(new SRSHandler(ws, this.SRSPort));
+    });
+
+    wss.on("disconnection", (ws) => {
+      this.handlers = this.handlers.filter((handler) => {
+        handler.ws != ws;
+      });
+    });
+  }
+}

frontend/server/src/audio/defaultdata.ts

@@ -0,0 +1,112 @@
+export var defaultSRSData = {
+    ClientGuid: "",
+    Name: "",
+    Seat: 0,
+    Coalition: 0,
+    AllowRecord: false,
+    RadioInfo: {
+      radios: [
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+        {
+          enc: false,
+          encKey: 0,
+          freq: 1.0,
+          modulation: 3,
+          secFreq: 1.0,
+          retransmit: false,
+        },
+      ],
+      unit: "",
+      unitId: 0,
+      iff: {
+        control: 2,
+        mode1: -1,
+        mode2: -1,
+        mode3: -1,
+        mode4: false,
+        mic: -1,
+        status: 0,
+      },
+      ambient: { vol: 1.0, abType: "" },
+    },
+    LatLngPosition: { lat: 0.0, lng: 0.0, alt: 0.0 },
+  };

frontend/server/src/audio/srshandler.ts

@@ -0,0 +1,84 @@
+import { defaultSRSData } from "./defaultdata";
+var net = require("net");
+
+const SRS_VERSION = "2.1.0.10";
+
+var globalIndex = 1;
+
+enum MessageType {
+  audio,
+  settings,
+}
+
+function makeID(length) {
+  let result = "";
+  const characters =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+  const charactersLength = characters.length;
+  let counter = 0;
+  while (counter < length) {
+    result += characters.charAt(Math.floor(Math.random() * charactersLength));
+    counter += 1;
+  }
+  return result;
+}
+
+export class SRSHandler {
+  ws: any;
+  tcp = new net.Socket();
+  udp = require("dgram").createSocket("udp4");
+  data = JSON.parse(JSON.stringify(defaultSRSData));
+  syncInterval: any;
+
+  constructor(ws, SRSPort) {
+    this.data.ClientGuid = "ImF72dh9EYcIDyYRGaF9S9";
+    this.data.Name = `Olympus${globalIndex}`;
+    globalIndex += 1;
+
+    /* Websocket */
+    this.ws = ws;
+    this.ws.on("error", console.error);
+    this.ws.on("message", (data) => {
+      switch (data[0]) {
+        case MessageType.audio:
+          this.udp.send(data.slice(1), 5002, "localhost", function (error) {
+            if (error) {
+              console.log("Error!!!");
+            } else {
+              console.log("Data sent");
+            }
+          });
+          break;
+        case MessageType.settings:
+          let message = JSON.parse(data.slice(1));
+          message.settings.forEach((setting, idx) => {
+            this.data.RadioInfo.radios[idx].freq = setting.frequency;
+            this.data.RadioInfo.radios[idx].modulation = setting.modulation;
+          })
+          break;
+        default:
+          break;
+      }
+    });
+    this.ws.on("close", () => {
+      this.tcp.end();
+    });
+
+    /* TCP */
+    this.tcp.connect(SRSPort, "localhost", () => {
+      console.log("Connected");
+
+      this.syncInterval = setInterval(() => {
+        let SYNC = {
+          Client: this.data,
+          MsgType: 2,
+          Version: SRS_VERSION,
+        };
+
+        if (this.tcp.readyState == "open")
+          this.tcp.write(`${JSON.stringify(SYNC)}\n`);
+        else clearInterval(this.syncInterval);
+      }, 1000);
+    });
+  }
+}

frontend/server/src/routes/resources.ts

@@ -7,7 +7,7 @@ module.exports = function (configLocation) {
         if (fs.existsSync(configLocation)) {
             let rawdata = fs.readFileSync(configLocation, "utf-8");
             const config = JSON.parse(rawdata);
-            res.send(JSON.stringify(config.frontend));
+            res.send(JSON.stringify({...config.frontend, ...(config.audio ?? {}) }));
             res.end()
         } else {
             res.sendStatus(404);

frontend/server/srs.js

@@ -0,0 +1,219 @@
+const WaveFile = require('wavefile').WaveFile;
+
+var fs = require('fs');
+let source = fs.readFileSync('sample3.WAV');
+let wav = new WaveFile(source);
+let wavBuffer = wav.toBuffer();
+const { OpusEncoder } = require('@discordjs/opus');
+const encoder = new OpusEncoder(16000, 1);
+
+let fileIndex = 0;
+let packetID = 0;
+
+var udp = require("dgram");
+var udpClient = udp.createSocket("udp4");
+
+let clientData = {
+  ClientGuid: "AZi9CkptY0yW_C-3YmI7oQ",
+  Name: "Olympus",
+  Seat: 0,
+  Coalition: 0,
+  AllowRecord: false,
+  RadioInfo: {
+    radios: [
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+      {
+        enc: false,
+        encKey: 0,
+        freq: 1.0,
+        modulation: 3,
+        secFreq: 1.0,
+        retransmit: false,
+      },
+    ],
+    unit: "",
+    unitId: 0,
+    iff: {
+      control: 2,
+      mode1: -1,
+      mode2: -1,
+      mode3: -1,
+      mode4: false,
+      mic: -1,
+      status: 0,
+    },
+    ambient: { vol: 1.0, abType: "" },
+  },
+  LatLngPosition: { lat: 0.0, lng: 0.0, alt: 0.0 },
+};
+
+var net = require("net");
+
+var tcpClient = new net.Socket();
+
+tcpClient.on("data", function (data) {
+  console.log("Received: " + data);
+  
+});
+
+tcpClient.on("close", function () {
+  console.log("Connection closed");
+});
+
+tcpClient.connect(5002, "localhost", function () {
+  console.log("Connected");
+
+  setTimeout(() => {
+    let SYNC = {
+      Client: clientData,
+      MsgType: 2,
+      Version: "2.1.0.10",
+    };
+    let string = JSON.stringify(SYNC);
+    tcpClient.write(string + "\n");
+
+    setInterval(() => {
+      let slice = [];
+      for (let i = 0; i < 16000 * 0.04; i++) {
+        slice.push(wavBuffer[Math.round(fileIndex) * 2], wavBuffer[Math.round(fileIndex) * 2 + 1]);
+        fileIndex += 44100 / 16000;
+      }
+      const encoded = encoder.encode(new Uint8Array(slice));
+  
+      let header = [
+        0, 0,
+        0, 0,
+        0, 0
+      ]
+  
+      let encFrequency = [...doubleToByteArray(251000000)];
+      let encModulation = [2];
+      let encEncryption = [0];
+  
+      let encUnitID = getBytes(100000001, 4);
+      let encPacketID = getBytes(packetID, 8);
+      packetID++;
+      let encHops = [0];
+      
+      let packet = [].concat(header, [...encoded], encFrequency, encModulation, encEncryption, encUnitID, encPacketID, encHops, [...Buffer.from(clientData.ClientGuid, 'utf-8')], [...Buffer.from(clientData.ClientGuid, 'utf-8')]);
+      
+      let encPacketLen = getBytes(packet.length, 2);
+      packet[0] = encPacketLen[0];
+      packet[1] = encPacketLen[1];
+  
+      let encAudioLen = getBytes(encoded.length, 2);
+      packet[2] = encAudioLen[0];
+      packet[3] = encAudioLen[1];
+  
+      let frequencyAudioLen = getBytes(10, 2);
+      packet[4] = frequencyAudioLen[0];
+      packet[5] = frequencyAudioLen[1];
+  
+      let data = new Uint8Array(packet);
+      udpClient.send(data, 5002, "localhost", function (error) {
+        if (error) {
+          tcpClient.close();
+        } else {
+          console.log("Data sent !!!");
+        }
+      });
+    }, 40);
+  }, 1000);
+});
+
+function getBytes(value, length) {
+  let res = [];
+  for (let i = 0; i < length; i++) {
+    res.push(value & 255);
+    value = value >> 8;
+  }
+  return res;
+}
+
+function doubleToByteArray(number) {
+  var buffer = new ArrayBuffer(8);         // JS numbers are 8 bytes long, or 64 bits
+  var longNum = new Float64Array(buffer);  // so equivalent to Float64
+
+  longNum[0] = number;
+
+  return Array.from(new Uint8Array(buffer)); 
+}

olympus.json

@@ -1,7 +1,7 @@
 {
 	"backend": {
 		"address": "localhost",
-		"port": 4512
+		"port": 3001
 	},
 	"authentication": {
 		"gameMasterPassword": "4b8823ed9e5c2392ab4a791913bb8ce41956ea32e308b760eefb97536746dd33",
@@ -33,5 +33,9 @@
 			"DCS Map (Official)": "https://maps.dcsolympus.com/maps",
 			"DCS Map (Alt.)": "https://refugees.dcsolympus.com/maps"
 		}
+	},
+	"audio": {
+		"SRSPort": 5002,
+		"WSPort": 4000
 	}
 }