// Initialisations
// https://stackoverflow.com/a/27747377/12660887
-function dec2hex (dec) { return dec.toString(16).padStart(2, "0") }
function generateId (len) {
- var arr = new Uint8Array((len || 40) / 2)
- window.crypto.getRandomValues(arr)
- return Array.from(arr, dec2hex).join('')
+ const dec2hex = (dec) => dec.toString(16).padStart(2, "0");
+ let arr = new Uint8Array(len / 2); //len/2 because 2 chars per hex value
+ window.crypto.getRandomValues(arr); //fill with random integers
+ return Array.from(arr, dec2hex).join('');
}
// Populate variants dropdown list
let inputName = document.getElementById("myName");
let formField = document.getElementById("ng-name");
const setActive = (active) => {
- if (active) formField.classList.add("form-field--is-active");
+ if (active)
+ formField.classList.add("form-field--is-active");
else {
formField.classList.remove("form-field--is-active");
- inputName.value === "" ?
- formField.classList.remove("form-field--is-filled") :
- formField.classList.add("form-field--is-filled");
+ inputName.value == ''
+ ? formField.classList.remove("form-field--is-filled")
+ : formField.classList.add("form-field--is-filled");
}
};
+setActive(true);
inputName.onblur = () => setActive(false);
inputName.onfocus = () => setActive(true);
-inputName.focus();
/////////
// Utils
function setName() {
+ // 'onChange' event on name input text field [HTML]
localStorage.setItem("name", $.getElementById("myName").value);
}
// Turn a "tab" on, and "close" all others
function toggleVisible(element) {
- for (elt of document.querySelectorAll('main > div')) {
- if (elt.id != element) elt.style.display = "none";
- else elt.style.display = "block";
+ for (elt of document.querySelectorAll("main > div")) {
+ if (elt.id != element)
+ elt.style.display = "none";
+ else
+ elt.style.display = "block";
}
- if (element.id == "boardContainer") {
+ if (element == "boardContainer") {
// Avoid smartphone scrolling effects (TODO?)
document.querySelector("html").style.overflow = "hidden";
document.body.style.overflow = "hidden";
else {
document.querySelector("html").style.overflow = "visible";
document.body.style.overflow = "visible";
- if (element.id == "newGame") {
- // Workaround "superposed texts" effect
- inputName.focus();
- inputName.blur();
- }
+ // Workaround "superposed texts" effect:
+ if (element == "newGame")
+ setActive(false);
}
}
let seek_vname;
function seekGame() {
seek_vname = $.getElementById("selectVariant").value;
- send("seekgame", {vname: seek_vname, name: localStorage.getItem("name")});
- toggleVisible("pendingSeek");
+ if (send("seekgame",
+ {vname: seek_vname, name: localStorage.getItem("name")})
+ ) {
+ toggleVisible("pendingSeek");
+ }
}
function cancelSeek() {
- send("cancelseek", {vname: seek_vname});
- toggleVisible("newGame");
+ if (send("cancelseek", {vname: seek_vname}))
+ toggleVisible("newGame");
}
-function sendRematch() {
- send("rematch", { gid: gid });
- toggleVisible("pendingRematch");
+function sendRematch(random) {
+ if (send("rematch", {gid: gid, random: !!random}))
+ toggleVisible("pendingRematch");
}
function cancelRematch() {
- send("norematch", { gid: gid });
- toggleVisible("newGame");
+ if (send("norematch", {gid: gid}))
+ toggleVisible("newGame");
}
// Play with a friend (or not ^^)
function showNewGameForm() {
const vname = $.getElementById("selectVariant").value;
- if (vname == "_random") alert("Select a variant first");
+ if (vname == "_random")
+ alert("Select a variant first");
else {
$.getElementById("gameLink").innerHTML = "";
$.getElementById("selectColor").selectedIndex = 0;
toggleVisible("newGameForm");
import(`/variants/${vname}/class.js`).then(module => {
window.V = module.default;
+ for (const [k, v] of Object.entries(V.Aliases))
+ window[k] = v;
prepareOptions();
});
}
}
-function backToNormalSeek() { toggleVisible("newGame"); }
+function backToNormalSeek() {
+ toggleVisible("newGame");
+}
-function toggleStyle(e, word) {
+function toggleStyle(event, obj) {
+ const word = obj.innerHTML;
options[word] = !options[word];
- e.target.classList.toggle("highlight-word");
+ event.target.classList.toggle("highlight-word");
}
let options;
function prepareOptions() {
options = {};
- let optHtml = V.Options.select.map(select => { return `
+ let optHtml = "";
+ if (V.Options.select) {
+ optHtml += V.Options.select.map(select => { return `
<div class="option-select">
<label for="var_${select.variable}">${select.label}</label>
<div class="select">
- <select id="var_${select.variable}" data-numeric="1">` +
+ <select id="var_${select.variable}">` +
select.options.map(option => { return `
<option
value="${option.value}"
<span class="focus"></span>
</div>
</div>`;
- }).join("");
- optHtml += V.Options.check.map(check => {
- return `
- <div class="option-check">
- <label class="checkbox">
- <input id="var_${check.variable}"
- type="checkbox"${check.defaut ? " checked" : ""}/>
+ }).join("");
+ }
+ if (V.Options.input) {
+ optHtml += V.Options.input.map(input => { return `
+ <div class="option-input">
+ <label class="input">
+ <input id="var_${input.variable}"
+ type="${input.type}"
+ ${input.type == "checkbox" && input.defaut
+ ? "checked"
+ : 'value="' + input.defaut + '"'}
+ />
<span class="spacer"></span>
- <span>${check.label}</span>
+ <span>${input.label}</span>
</label>
</div>`;
- }).join("");
- if (V.Options.styles.length >= 1) {
+ }).join("");
+ }
+ if (V.Options.styles) {
optHtml += '<div class="words">';
let i = 0;
const stylesLength = V.Options.styles.length;
while (i < stylesLength) {
optHtml += '<div class="row">';
for (let j=i; j<i+4; j++) {
- if (j == stylesLength) break;
+ if (j == stylesLength)
+ break;
const style = V.Options.styles[j];
- optHtml +=
- `<span onClick="toggleStyle(event, '${style}')">${style}</span>`;
+ optHtml += `<span onClick="toggleStyle(event, this)">${style}</span>`;
}
optHtml += "</div>";
i += 4;
const vname = $.getElementById("selectVariant").value;
const color = $.getElementById("selectColor").value;
for (const select of $.querySelectorAll("#gameOptions select")) {
- let value = select.value;
- if (select.attributes["data-numeric"]) value = parseInt(value, 10);
- if (value) options[ select.id.split("_")[1] ] = value;
+ let value = parseInt(select.value, 10);
+ if (isNaN(value)) //not an integer
+ value = select.value;
+ options[ select.id.split("_")[1] ] = value;
}
- for (const check of $.querySelectorAll("#gameOptions input")) {
- if (check.checked) options[ check.id.split("_")[1] ] = check.checked;
+ for (const input of $.querySelectorAll("#gameOptions input")) {
+ const variable = input.id.split("_")[1];
+ if (input.type == "number")
+ options[variable] = parseInt(input.value, 10); //TODO: real numbers?
+ else if (input.type == "checkbox")
+ options[variable] = input.checked;
}
send("creategame", {
vname: vname,
- player: { sid: sid, name: localStorage.getItem("name"), color: color },
+ player: {sid: sid, name: localStorage.getItem("name"), color: color},
options: options
});
}
-const fillGameInfos = (gameInfos, oppIndex) => {
+function fillGameInfos(gameInfos, oppIndex) {
fetch(`/variants/${gameInfos.vname}/rules.html`)
.then(res => res.text())
.then(txt => {
while (i < options.length) {
htmlContent += '<div class="row">';
for (let j=i; j<i+4; j++) {
- if (j == options.length) break;
+ if (j == options.length)
+ break;
const opt = options[j];
+ if (!opt[1]) //includes 0 and false (lighter display)
+ continue;
htmlContent +=
'<span class="option">' +
(opt[1] === true ? opt[0] : `${opt[0]}:${opt[1]}`) + " " +
- '</span>';
+ "</span>";
}
htmlContent += "</div>";
i += 4;
</div>`;
$.getElementById("gameInfos").innerHTML = htmlContent;
});
-};
+}
////////////////
// Communication
-let socket, gid, attempt = 0;
+let socket, gid, recoAttempt = 0;
const autoReconnectDelay = () => {
- return [100, 200, 500, 1000, 3000, 10000, 30000][Math.min(attempt, 6)];
+ return [100, 200, 500, 1000, 3000, 10000, 30000][Math.min(recoAttempt, 6)];
};
-function copyClipboard(msg) { navigator.clipboard.writeText(msg); }
+function send(code, data, opts) {
+ opts = opts || {};
+ const trySend = () => {
+ if (socket.readyState == 1) {
+ socket.send(JSON.stringify(Object.assign({code: code}, data)));
+ if (opts.success)
+ opts.success();
+ return true;
+ }
+ return false;
+ };
+ const firstTry = trySend();
+ if (!firstTry) {
+ if (opts.retry) {
+ // Retry for a few seconds (sending move)
+ let sendAttempt = 1;
+ const retryLoop = setInterval(
+ () => {
+ if (trySend() || ++sendAttempt >= 3)
+ clearInterval(retryLoop);
+ if (sendAttempt >= 3 && opts.error)
+ opts.error();
+ },
+ 1000
+ );
+ }
+ else if (opts.error)
+ opts.error();
+ }
+ return firstTry;
+}
+
+function copyClipboard(msg) {
+ navigator.clipboard.writeText(msg);
+}
function getWhatsApp(msg) {
return `https://api.whatsapp.com/send?text=${encodeURIComponent(msg)}`;
}
const tryResumeGame = () => {
- attempt = 0;
+ recoAttempt = 0;
// If a game is found, resume it:
if (localStorage.getItem("gid")) {
gid = localStorage.getItem("gid");
- send("getgame", { gid: gid });
+ send("getgame",
+ {gid: gid},
+ {
+ retry: true,
+ error: () => alert("Cannot load game: no connection")
+ });
}
else {
// If URL indicates "play with a friend", start game:
if (hashIdx >= 0) {
const urlParts = $.URL.split('#');
gid = urlParts[1];
- send("joingame", { gid: gid, name: localStorage.getItem("name") });
localStorage.setItem("gid", gid);
- history.replaceState(null, '', urlParts[0]);
+ history.replaceState(null, '', urlParts[0]); //hide game ID
+ send("joingame",
+ {gid: gid, name: localStorage.getItem("name")},
+ {
+ retry: true,
+ error: () => alert("Cannot load game: no connection")
+ });
}
}
};
switch (obj.code) {
// Start new game:
case "gamestart": {
- if (document.hidden) notifyMe("game");
+ if (document.hidden)
+ notifyMe("game");
gid = obj.gid;
initializeGame(obj);
break;
<p>
<a href="${getWhatsApp(link)}">WhatsApp</a>
/
- <span onClick='copyClipboard("${link}")'>ToClipboard</span>
+ <span onClick="copyClipboard('${link}')">ToClipboard</span>
</p>
<p>${link}</p>
`;
break;
// Receive opponent's move:
case "newmove":
- if (document.hidden) notifyMe("move");
+ // Basic check: was it really opponent's turn?
+ if (vr.turn == playerColor)
+ break;
+ if (document.hidden)
+ notifyMe("move");
vr.playReceivedMove(obj.moves, () => {
- if (vr.getCurrentScore(obj.moves[obj.moves.length-1]) != "*") {
+ if (vr.getCurrentScore(obj.moves) != "*") {
localStorage.removeItem("gid");
setTimeout( () => toggleVisible("gameStopped"), 2000 );
}
- else toggleTurnIndicator(true);
+ else
+ toggleTurnIndicator(true);
});
break;
// Opponent stopped game (draw, abort, resign...)
case "closerematch":
toggleVisible("newGame");
break;
+ case "filechange":
+ // TODO?: could be more subtle
+ setTimeout(() => location.reload(), 100);
+ break;
}
};
const handleError = (err) => {
- if (err.code === 'ECONNREFUSED') {
+ if (err.code === "ECONNREFUSED") {
removeAllListeners();
alert("Server refused connection. Please reload page later");
}
}, autoReconnectDelay());
};
-const removeAllListeners = () => {
+function removeAllListeners() {
socket.removeEventListener("open", tryResumeGame);
socket.removeEventListener("message", messageCenter);
socket.removeEventListener("error", handleError);
socket.removeEventListener("close", handleClose);
-};
+}
-const connectToWSS = () => {
+function connectToWSS() {
socket =
new WebSocket(`${Params.socket_server}${Params.socket_path}?sid=${sid}`);
socket.addEventListener("open", tryResumeGame);
socket.addEventListener("message", messageCenter);
socket.addEventListener("error", handleError);
socket.addEventListener("close", handleClose);
- attempt++;
-};
+ recoAttempt++;
+}
connectToWSS();
-const send = (code, data) => {
- socket.send(JSON.stringify(Object.assign({code: code}, data)));
-};
-
///////////
// Playing
function toggleTurnIndicator(myTurn) {
- let indicator = $.getElementById("chessboard");
- if (myTurn) indicator.style.outline = "thick solid green";
- else indicator.style.outline = "thick solid lightgrey";
+ let indicator =
+ $.getElementById("boardContainer").querySelector(".chessboard");
+ if (myTurn)
+ indicator.style.outline = "thick solid green";
+ else
+ indicator.style.outline = "thick solid lightgrey";
}
function notifyMe(code) {
new Notification("New " + code, { vibrate: [200, 100, 200] });
new Audio("/assets/new_" + code + ".mp3").play();
}
- if (Notification.permission === 'granted') doNotify();
- else if (Notification.permission !== 'denied') {
+ if (Notification.permission === "granted")
+ doNotify();
+ else if (Notification.permission !== "denied") {
Notification.requestPermission().then(permission => {
- if (permission === 'granted') doNotify();
+ if (permission === "granted")
+ doNotify();
});
}
}
-let curMoves = [];
-const afterPlay = (move) => { //pack into one moves array, then send
- curMoves.push({
- appear: move.appear,
- vanish: move.vanish,
- start: move.start,
- end: move.end
- });
- if (vr.turn != playerColor) {
- toggleTurnIndicator(false);
- send("newmove", { gid: gid, moves: curMoves, fen: vr.getFen() });
+let curMoves = [],
+ lastFen;
+const afterPlay = (move_s, newTurn, ops) => {
+ if (ops.send) {
+ // Pack into one moves array, then send (if turn changed)
+ if (Array.isArray(move_s))
+ // Array of simple moves (e.g. Chakart)
+ Array.prototype.push.apply(curMoves, move_s);
+ else
+ // Usual case
+ curMoves.push(move_s);
+ if (newTurn != playerColor) {
+ send("newmove",
+ {gid: gid, moves: curMoves, fen: vr.getFen()},
+ {
+ retry: true,
+ error: () => alert("Move not sent: reload page")
+ }
+ );
+ }
+ }
+ if (ops.res && newTurn != playerColor) {
+ toggleTurnIndicator(false); //now all moves are sent and animated
+ const result = vr.getCurrentScore(curMoves);
curMoves = [];
- const result = vr.getCurrentScore(move);
if (result != "*") {
- setTimeout( () => {
+ setTimeout(() => {
toggleVisible("gameStopped");
- send("gameover", { gid: gid });
+ send("gameover", {gid: gid});
}, 2000);
}
}
};
-// Avoid loading twice the same stylesheet:
-const conditionalLoadCSS = (vname) => {
- const allIds = [].slice.call($.styleSheets).map(s => s.id);
- const newId = vname + "_css";
- if (!allIds.includes(newId)) {
- $.getElementsByTagName("head")[0].insertAdjacentHTML(
- "beforeend",
- `<link id="${newId}" rel="stylesheet"
- href="/variants/${vname}/style.css"/>`);
- }
-};
-
-let vr, playerColor;
+let vr = null, playerColor, lastVname = undefined;
function initializeGame(obj) {
const options = obj.options || {};
import(`/variants/${obj.vname}/class.js`).then(module => {
window.V = module.default;
- conditionalLoadCSS(obj.vname);
+ for (const [k, v] of Object.entries(V.Aliases))
+ window[k] = v;
+ if (lastVname != obj.vname) {
+ // Load CSS + unload potential previous one.
+ if (lastVname)
+ document.getElementById(lastVname + "_css").remove();
+ $.getElementsByTagName("head")[0].insertAdjacentHTML(
+ "beforeend",
+ `<link id="${obj.vname + '_css'}" rel="stylesheet"
+ href="/variants/${obj.vname}/style.css"/>`);
+ lastVname = obj.vname;
+ }
playerColor = (sid == obj.players[0].sid ? "w" : "b");
// Init + remove potential extra DOM elements from a previous game:
document.getElementById("boardContainer").innerHTML = `
</g>
</svg>
</div>
- <div class="resizeable" id="chessboard"></div>`;
+ <div class="chessboard"></div>`;
+ if (vr)
+ // Avoid interferences:
+ vr.removeListeners();
vr = new V({
seed: obj.seed, //may be null if FEN already exists (running game)
fen: obj.fen,
- element: "chessboard",
+ element: "boardContainer",
color: playerColor,
afterPlay: afterPlay,
options: options
});
- if (!obj.fen) {
- // Game creation
- if (playerColor == "w") send("setfen", {gid: obj.gid, fen: vr.getFen()});
+ const gameCreation = !obj.fen;
+ if (gameCreation) {
+ // Both players set FEN, in case of one is offline
+ send("setfen", {gid: obj.gid, fen: vr.getFen()});
localStorage.setItem("gid", obj.gid);
}
const select = $.getElementById("selectVariant");
break;
}
}
- fillGameInfos(obj, playerColor == "w" ? 1 : 0);
- if (obj.randvar) toggleVisible("gameInfos");
- else toggleVisible("boardContainer");
+ const playerIndex = (playerColor == "w" ? 0 : 1);
+ fillGameInfos(obj, 1 - playerIndex);
+ if (obj.players[playerIndex].randvar && gameCreation)
+ toggleVisible("gameInfos");
+ else
+ toggleVisible("boardContainer");
toggleTurnIndicator(vr.turn == playerColor);
});
}
function confirmStopGame() {
- if (confirm("Stop game?")) {
- send("gameover", { gid: gid, relay: true });
+ if (confirm("Stop game?") && send("gameover", {gid: gid, relay: true})) {
localStorage.removeItem("gid");
toggleVisible("gameStopped");
}
function toggleGameInfos() {
if ($.getElementById("gameInfos").style.display == "none")
toggleVisible("gameInfos");
- else {
+ else
toggleVisible("boardContainer");
- // Quickfix for the "vanished piece" bug (move played while on game infos)
- vr.setupPieces(); //TODO: understand better
- }
}
$.body.addEventListener("keydown", (e) => {
- if (!localStorage.getItem("gid")) return;
- if (e.keyCode == 27) confirmStopGame();
+ if (!localStorage.getItem("gid"))
+ return;
+ if (e.keyCode == 27)
+ confirmStopGame();
else if (e.keyCode == 32) {
e.preventDefault();
toggleGameInfos();
projects / xogo.git / blobdiff