add joinGame adapt

src/api/ocgcore/ocgAdapter/ctosJoinGame.ts

+import { ygopro } from "../idl/ocgcore";
+import { ygoProPacket } from "./packet";
+
+const littleEndian: boolean = true;
+
+const CtosJoinGame = 18;
+
+export default class joinGamePacket extends ygoProPacket {
+  constructor(pb: ygopro.YgoCtosMsg) {
+    const encoder = new TextEncoder();
+    const joinGame = pb.ctos_join_game;
+
+    const version = joinGame.version;
+    const gameId = joinGame.gameid;
+    const passWd = encoder.encode(joinGame.passwd);
+
+    const exDataLen = 2 + 4 + passWd.length;
+    const exData = new Uint8Array(exDataLen);
+    const dataView = new DataView(exData);
+
+    dataView.setUint16(0, version, littleEndian);
+    dataView.setUint8(2, gameId & 0xff);
+    dataView.setUint8(3, (gameId >> 8) & 0xff);
+    dataView.setUint8(4, (gameId >> 16) & 0xff);
+    dataView.setUint8(5, (gameId >> 32) & 0xff);
+    exData.slice(6, exDataLen).set(passWd);
+
+    super(exData.length + 1, CtosJoinGame, exData);
+  }
+}

src/api/ocgcore/ocgAdapter/playerInfo.ts → src/api/ocgcore/ocgAdapter/ctosPlayerInfo.ts

 import { ygopro } from "../idl/ocgcore";
 import { ygoProPacket } from "./packet";
 
-const CtosPlayerInfo = 16;
+const CtosPlayerInfo = 16; // todo: move protos in one place
 
-export class playerInfoPacket extends ygoProPacket {
+export default class playerInfoPacket extends ygoProPacket {
   constructor(pb: ygopro.YgoCtosMsg) {
     const encoder = new TextEncoder();
 

src/api/ocgcore/ocgHelper.ts

 import { ygopro } from "./idl/ocgcore";
 import socketMiddleWare, { socketCmd } from "../../middleware/socket";
 import { IDeck } from "../Card";
-import { playerInfoPacket } from "./ocgAdapter/playerInfo";
+import playerInfoPacket from "./ocgAdapter/ctosPlayerInfo";
+import joinGamePacket from "./ocgAdapter/ctosJoinGame";
 
 export function sendUpdateDeck(deck: IDeck) {
   const updateDeck = new ygopro.YgoCtosMsg({
@@ -50,6 +51,7 @@ export function sendJoinGame(ws: WebSocket, version: number, passWd: string) {
       passwd: passWd,
     }),
   });
+  const packet = new joinGamePacket(joinGame);
 
-  ws.send(joinGame.serialize());
+  ws.send(packet.serialize());
 }