| 1 | const url = require('url'); |
| 2 | const Variants = require("./variants"); |
| 3 | |
| 4 | module.exports = function(wss) { |
| 5 | |
| 6 | let clients = { "index": {} }; |
| 7 | let games = {}; //pending games (player sid) |
| 8 | for (const v of Variants) |
| 9 | clients[v.name] = {}; |
| 10 | |
| 11 | wss.on("connection", (socket, req) => { |
| 12 | const params = new URL("http://localhost" + req.url).searchParams; |
| 13 | const sid = params.get("sid"); |
| 14 | const page = params.get("page"); |
| 15 | clients[page][sid] = socket; |
| 16 | if (page == "index") |
| 17 | { |
| 18 | // Send counting info |
| 19 | const countings = {}; |
| 20 | for (const v of Variants) |
| 21 | countings[v.name] = Object.keys(clients[v.name]).length; |
| 22 | socket.send(JSON.stringify({code:"counts",counts:countings})); |
| 23 | } |
| 24 | else |
| 25 | { |
| 26 | // Send to every client connected on index an update message for counts |
| 27 | Object.keys(clients["index"]).forEach( k => { |
| 28 | clients["index"][k].send(JSON.stringify({code:"increase",vname:page})); |
| 29 | }); |
| 30 | // Also notify potential opponents: hit all clients which check if sid corresponds |
| 31 | Object.keys(clients[page]).forEach( k => { |
| 32 | clients[page][k].send(JSON.stringify({code:"connect",id:sid})); |
| 33 | }); |
| 34 | socket.on("message", objtxt => { |
| 35 | let obj = JSON.parse(objtxt); |
| 36 | switch (obj.code) |
| 37 | { |
| 38 | case "newmove": |
| 39 | if (!!clients[page][obj.oppid]) |
| 40 | clients[page][obj.oppid].send(JSON.stringify({code:"newmove",move:obj.move})); |
| 41 | break; |
| 42 | case "ping": |
| 43 | if (!!clients[page][obj.oppid]) |
| 44 | socket.send(JSON.stringify({code:"pong"})); |
| 45 | break; |
| 46 | case "lastate": |
| 47 | if (!!clients[page][obj.oppid]) |
| 48 | clients[page][obj.oppid].send(objtxt); |
| 49 | break; |
| 50 | case "newgame": |
| 51 | if (!!games[page]) |
| 52 | { |
| 53 | // Start a new game |
| 54 | const oppId = games[page]["id"]; |
| 55 | const fen = games[page]["fen"]; |
| 56 | delete games[page]; |
| 57 | const mycolor = Math.random() < 0.5 ? 'w' : 'b'; |
| 58 | socket.send(JSON.stringify({code:"newgame",fen:fen,oppid:oppId,color:mycolor})); |
| 59 | if (!!clients[page][oppId]) |
| 60 | clients[page][oppId].send(JSON.stringify({code:"newgame",fen:fen,oppid:sid,color:mycolor=="w"?"b":"w"})); |
| 61 | } |
| 62 | else |
| 63 | games[page] = {id:sid, fen:obj.fen}; //wait for opponent |
| 64 | break; |
| 65 | case "resign": |
| 66 | if (!!clients[page][obj.oppid]) |
| 67 | clients[page][obj.oppid].send(JSON.stringify({code:"resign"})); |
| 68 | break; |
| 69 | } |
| 70 | }); |
| 71 | } |
| 72 | socket.on("close", () => { |
| 73 | delete clients[page][sid]; |
| 74 | // Remove potential pending game |
| 75 | if (!!games[page] && games[page]["id"] == sid) |
| 76 | delete games[page]; |
| 77 | if (page != "index") |
| 78 | { |
| 79 | // Send to every client connected on index an update message for counts |
| 80 | Object.keys(clients["index"]).forEach( k => { |
| 81 | clients["index"][k].send(JSON.stringify({code:"decrease",vname:page})); |
| 82 | }); |
| 83 | } |
| 84 | // Also notify potential opponents: hit all clients which check if sid corresponds |
| 85 | Object.keys(clients[page]).forEach( k => { |
| 86 | clients[page][k].send(JSON.stringify({code:"disconnect",id:sid})); |
| 87 | }); |
| 88 | }); |
| 89 | }); |
| 90 | } |