+// Game logic on a variant page
Vue.component('my-game', {
data: function() {
return {
vr: null, //object to check moves, store them, FEN..
mycolor: "w",
possibleMoves: [], //filled after each valid click/dragstart
- choices: [], //promotion pieces, or checkered captures... (contain possible pieces)
+ choices: [], //promotion pieces, or checkered captures... (as moves)
start: {}, //pixels coordinates + id of starting square (click or drag)
selectedPiece: null, //moving piece (or clicked piece)
- conn: null, //socket messages
- endofgame: "", //end of game message
- mode: "idle", //human, computer or idle (when not playing)
+ conn: null, //socket connection
+ score: "*", //'*' means 'unfinished'
+ mode: "idle", //human, friend, computer or idle (when not playing)
oppid: "", //opponent ID in case of HH game
oppConnected: false,
+ seek: false,
+ fenStart: "",
+ incheck: [],
+ pgnTxt: "",
+ hints: (getCookie("hints") === "1" ? true : false),
+ color: getCookie("color", "lichess"), //lichess, chesscom or chesstempo
+ // sound level: 0 = no sound, 1 = sound only on newgame, 2 = always
+ sound: parseInt(getCookie("sound", "2")),
};
},
render(h) {
- let [sizeX,sizeY] = VariantRules.size;
+ const [sizeX,sizeY] = VariantRules.size;
+ const smallScreen = (screen.width <= 420);
// Precompute hints squares to facilitate rendering
let hintSquares = doubleArray(sizeX, sizeY, false);
this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; });
+ // Also precompute in-check squares
+ let incheckSq = doubleArray(sizeX, sizeY, false);
+ this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; });
let elementArray = [];
- let square00 = document.getElementById("sq-0-0");
- let squareWidth = !!square00
- ? parseFloat(window.getComputedStyle(square00).width.slice(0,-2))
- : 0;
- let actionArray = [
+ let actionArray = [];
+ actionArray.push(
h('button',
- {
- on: { click: () => this.newGame("human") },
- attrs: { "aria-label": 'New game VS human' },
- 'class': { "tooltip":true },
+ {
+ on: { click: this.clickGameSeek },
+ attrs: { "aria-label": 'New online game' },
+ 'class': {
+ "tooltip": true,
+ "bottom": true, //display below
+ "seek": this.seek,
+ "playing": this.mode == "human",
+ "small": smallScreen,
},
- [h('i', { 'class': { "material-icons": true } }, "accessibility")]),
- h('button',
+ },
+ [h('i', { 'class': { "material-icons": true } }, "accessibility")])
+ );
+ if (["idle","computer"].includes(this.mode))
+ {
+ actionArray.push(
+ h('button',
{
- on: { click: () => this.newGame("computer") },
+ on: { click: this.clickComputerGame },
attrs: { "aria-label": 'New game VS computer' },
- 'class': { "tooltip":true },
+ 'class': {
+ "tooltip":true,
+ "bottom": true,
+ "playing": this.mode == "computer",
+ "small": smallScreen,
+ },
},
[h('i', { 'class': { "material-icons": true } }, "computer")])
- ];
+ );
+ }
+ if (["idle","friend"].includes(this.mode))
+ {
+ actionArray.push(
+ h('button',
+ {
+ on: { click: this.clickFriendGame },
+ attrs: { "aria-label": 'New IRL game' },
+ 'class': {
+ "tooltip":true,
+ "bottom": true,
+ "playing": this.mode == "friend",
+ "small": smallScreen,
+ },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "people")])
+ );
+ }
if (!!this.vr)
{
+ const square00 = document.getElementById("sq-0-0");
+ const squareWidth = !!square00
+ ? parseFloat(window.getComputedStyle(square00).width.slice(0,-2))
+ : 0;
+ const settingsBtnElt = document.getElementById("settingsBtn");
+ const indicWidth = !!settingsBtnElt //-2 for border:
+ ? parseFloat(window.getComputedStyle(settingsBtnElt).height.slice(0,-2)) - 2
+ : (smallScreen ? 31 : 37);
if (this.mode == "human")
{
let connectedIndic = h(
'div',
{
"class": {
+ "topindicator": true,
+ "indic-left": true,
"connected": this.oppConnected,
"disconnected": !this.oppConnected,
},
+ style: {
+ "width": indicWidth + "px",
+ "height": indicWidth + "px",
+ },
}
);
elementArray.push(connectedIndic);
}
+ let turnIndic = h(
+ 'div',
+ {
+ "class": {
+ "topindicator": true,
+ "indic-right": true,
+ "white-turn": this.vr.turn=="w",
+ "black-turn": this.vr.turn=="b",
+ },
+ style: {
+ "width": indicWidth + "px",
+ "height": indicWidth + "px",
+ },
+ }
+ );
+ elementArray.push(turnIndic);
+ let settingsBtn = h(
+ 'button',
+ {
+ on: { click: this.showSettings },
+ attrs: {
+ "aria-label": 'Settings',
+ "id": "settingsBtn",
+ },
+ 'class': {
+ "tooltip": true,
+ "topindicator": true,
+ "indic-right": true,
+ "settings-btn": !smallScreen,
+ "settings-btn-small": smallScreen,
+ },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "settings")]
+ );
+ elementArray.push(settingsBtn);
let choices = h('div',
{
attrs: { "id": "choices" },
'class': { 'row': true },
style: {
- //"position": "relative",
"display": this.choices.length>0?"block":"none",
"top": "-" + ((sizeY/2)*squareWidth+squareWidth/2) + "px",
"width": (this.choices.length * squareWidth) + "px",
this.choices.map( m => { //a "choice" is a move
return h('div',
{
- 'class': { 'board': true },
+ 'class': {
+ 'board': true,
+ ['board'+sizeY]: true,
+ },
style: {
'width': (100/this.choices.length) + "%",
'padding-bottom': (100/this.choices.length) + "%",
},
[h('img',
{
- attrs: { "src": '/images/pieces/' + VariantRules.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' },
- 'class': { 'choice-piece': true, 'board': true },
+ attrs: { "src": '/images/pieces/' +
+ VariantRules.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' },
+ 'class': { 'choice-piece': true },
on: { "click": e => { this.play(m); this.choices=[]; } },
})
]
})
);
// Create board element (+ reserves if needed by variant or mode)
+ const lm = this.vr.lastMove;
+ const showLight = this.hints &&
+ (this.mode!="idle" || this.cursor==this.vr.moves.length);
let gameDiv = h('div',
{
'class': { 'game': true },
{
'class': {
'piece': true,
- 'ghost': !!this.selectedPiece && this.selectedPiece.parentNode.id == "sq-"+ci+"-"+cj,
+ 'ghost': !!this.selectedPiece
+ && this.selectedPiece.parentNode.id == "sq-"+ci+"-"+cj,
},
attrs: {
- src: "/images/pieces/" + VariantRules.getPpath(this.vr.board[ci][cj]) + ".svg",
+ src: "/images/pieces/" +
+ VariantRules.getPpath(this.vr.board[ci][cj]) + ".svg",
},
}
)
);
}
- if (hintSquares[ci][cj])
+ if (this.hints && hintSquares[ci][cj])
{
elems.push(
h(
)
);
}
- const lm = this.vr.lastMove; //TODO: interruptions (FEN local storage..)
- const highlight = !!lm && _.isMatch(lm.end, {x:ci,y:cj}); //&& _.isMatch(lm.start, {x:ci,y:cj})
return h(
'div',
{
'class': {
'board': true,
- 'light-square': !highlight && (i+j)%2==0,
- 'dark-square': !highlight && (i+j)%2==1,
- 'highlight': highlight,
+ ['board'+sizeY]: true,
+ 'light-square': (i+j)%2==0,
+ 'dark-square': (i+j)%2==1,
+ [this.color]: true,
+ 'highlight': showLight && !!lm && _.isMatch(lm.end, {x:ci,y:cj}),
+ 'incheck': showLight && incheckSq[ci][cj],
},
attrs: {
id: this.getSquareId({x:ci,y:cj}),
);
}), choices]
);
- actionArray.push(
- h('button',
+ if (this.mode != "idle")
+ {
+ actionArray.push(
+ h('button',
+ {
+ on: { click: this.resign },
+ attrs: { "aria-label": 'Resign' },
+ 'class': {
+ "tooltip":true,
+ "bottom": true,
+ "small": smallScreen,
+ },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "flag")])
+ );
+ }
+ else if (this.vr.moves.length > 0)
+ {
+ // A game finished, and another is not started yet: allow navigation
+ actionArray = actionArray.concat([
+ h('button',
+ {
+ on: { click: e => this.undo() },
+ attrs: { "aria-label": 'Undo' },
+ "class": {
+ "small": smallScreen,
+ "marginleft": true,
+ },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "fast_rewind")]),
+ h('button',
+ {
+ on: { click: e => this.play() },
+ attrs: { "aria-label": 'Play' },
+ "class": { "small": smallScreen },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "fast_forward")]),
+ ]
+ );
+ }
+ if (this.mode == "friend")
+ {
+ actionArray = actionArray.concat(
+ [
+ h('button',
+ {
+ on: { click: this.undoInGame },
+ attrs: { "aria-label": 'Undo' },
+ "class": {
+ "small": smallScreen,
+ "marginleft": true,
+ },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "undo")]
+ ),
+ h('button',
+ {
+ on: { click: () => { this.mycolor = this.vr.getOppCol(this.mycolor) } },
+ attrs: { "aria-label": 'Flip' },
+ "class": { "small": smallScreen },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "cached")]
+ ),
+ ]);
+ }
+ elementArray.push(gameDiv);
+ if (!!this.vr.reserve)
+ {
+ const shiftIdx = (this.mycolor=="w" ? 0 : 1);
+ let myReservePiecesArray = [];
+ for (let i=0; i<VariantRules.RESERVE_PIECES.length; i++)
+ {
+ myReservePiecesArray.push(h('div',
{
- on: { click: this.resign },
- attrs: { "aria-label": 'Resign' },
- 'class': { "tooltip":true },
+ 'class': {'board':true, ['board'+sizeY]:true},
+ attrs: { id: this.getSquareId({x:sizeX+shiftIdx,y:i}) }
},
- [h('i', { 'class': { "material-icons": true } }, "flag")])
- );
- elementArray.push(gameDiv);
- // if (!!vr.reserve)
- // {
- // let reserve = h('div',
- // {'class':{'game':true}}, [
- // h('div',
- // { 'class': { 'row': true }},
- // [
- // h('div',
- // {'class':{'board':true}},
- // [h('img',{'class':{"piece":true},attrs:{"src":"/images/pieces/wb.svg"}})]
- // )
- // ]
- // )
- // ],
- // );
- // elementArray.push(reserve);
- // }
+ [
+ h('img',
+ {
+ 'class': {"piece":true},
+ attrs: {
+ "src": "/images/pieces/" +
+ this.vr.getReservePpath(this.mycolor,i) + ".svg",
+ }
+ }),
+ h('sup',
+ {"class": { "reserve-count": true } },
+ [ this.vr.reserve[this.mycolor][VariantRules.RESERVE_PIECES[i]] ]
+ )
+ ]));
+ }
+ let oppReservePiecesArray = [];
+ const oppCol = this.vr.getOppCol(this.mycolor);
+ for (let i=0; i<VariantRules.RESERVE_PIECES.length; i++)
+ {
+ oppReservePiecesArray.push(h('div',
+ {
+ 'class': {'board':true, ['board'+sizeY]:true},
+ attrs: { id: this.getSquareId({x:sizeX+(1-shiftIdx),y:i}) }
+ },
+ [
+ h('img',
+ {
+ 'class': {"piece":true},
+ attrs: {
+ "src": "/images/pieces/" +
+ this.vr.getReservePpath(oppCol,i) + ".svg",
+ }
+ }),
+ h('sup',
+ {"class": { "reserve-count": true } },
+ [ this.vr.reserve[oppCol][VariantRules.RESERVE_PIECES[i]] ]
+ )
+ ]));
+ }
+ let reserves = h('div',
+ {
+ 'class':{
+ 'game': true,
+ "reserve-div": true,
+ },
+ },
+ [
+ h('div',
+ {
+ 'class': {
+ 'row': true,
+ "reserve-row-1": true,
+ },
+ },
+ myReservePiecesArray
+ ),
+ h('div',
+ { 'class': { 'row': true }},
+ oppReservePiecesArray
+ )
+ ]
+ );
+ elementArray.push(reserves);
+ }
+ const eogMessage = this.getEndgameMessage(this.score);
const modalEog = [
h('input',
{
- attrs: { "id": "modal-control", type: "checkbox" },
+ attrs: { "id": "modal-eog", type: "checkbox" },
"class": { "modal": true },
}),
h('div',
{
- attrs: { "role": "dialog", "aria-labelledby": "dialog-title" },
+ attrs: { "role": "dialog", "aria-labelledby": "modal-eog" },
},
[
h('div',
[
h('label',
{
- attrs: { "for": "modal-control" },
+ attrs: { "for": "modal-eog" },
"class": { "modal-close": true },
}
),
h('h3',
{
"class": { "section": true },
- domProps: { innerHTML: "End of game" },
- }
- ),
- h('p',
- {
- "class": { "section": true },
- domProps: { innerHTML: this.endofgame },
+ domProps: { innerHTML: eogMessage },
}
)
]
];
elementArray = elementArray.concat(modalEog);
}
+ // NOTE: this modal could be in Pug view (no usage of Vue functions or variables)
const modalNewgame = [
h('input',
{
- attrs: { "id": "modal-control2", type: "checkbox" },
+ attrs: { "id": "modal-newgame", type: "checkbox" },
"class": { "modal": true },
}),
h('div',
{
- attrs: { "role": "dialog", "aria-labelledby": "dialog-title" },
+ attrs: { "role": "dialog", "aria-labelledby": "modal-newgame" },
},
[
h('div',
[
h('label',
{
- attrs: { "id": "close-newgame", "for": "modal-control2" },
+ attrs: { "id": "close-newgame", "for": "modal-newgame" },
"class": { "modal-close": true },
}
),
)
];
elementArray = elementArray.concat(modalNewgame);
+ const modalFenEdit = [
+ h('input',
+ {
+ attrs: { "id": "modal-fenedit", type: "checkbox" },
+ "class": { "modal": true },
+ }),
+ h('div',
+ {
+ attrs: { "role": "dialog", "aria-labelledby": "modal-fenedit" },
+ },
+ [
+ h('div',
+ {
+ "class": { "card": true, "smallpad": true },
+ },
+ [
+ h('label',
+ {
+ attrs: { "id": "close-fenedit", "for": "modal-fenedit" },
+ "class": { "modal-close": true },
+ }
+ ),
+ h('h3',
+ {
+ "class": { "section": true },
+ domProps: { innerHTML: "Position + flags (FEN):" },
+ }
+ ),
+ h('input',
+ {
+ attrs: {
+ "id": "input-fen",
+ type: "text",
+ value: VariantRules.GenRandInitFen(),
+ },
+ }
+ ),
+ h('button',
+ {
+ on: { click:
+ () => {
+ const fen = document.getElementById("input-fen").value;
+ document.getElementById("modal-fenedit").checked = false;
+ this.newGame("friend", fen);
+ }
+ },
+ domProps: { innerHTML: "Ok" },
+ }
+ ),
+ h('button',
+ {
+ on: { click:
+ () => {
+ document.getElementById("input-fen").value =
+ VariantRules.GenRandInitFen();
+ }
+ },
+ domProps: { innerHTML: "Random" },
+ }
+ ),
+ ]
+ )
+ ]
+ )
+ ];
+ elementArray = elementArray.concat(modalFenEdit);
+ const modalSettings = [
+ h('input',
+ {
+ attrs: { "id": "modal-settings", type: "checkbox" },
+ "class": { "modal": true },
+ }),
+ h('div',
+ {
+ attrs: { "role": "dialog", "aria-labelledby": "modal-settings" },
+ },
+ [
+ h('div',
+ {
+ "class": { "card": true, "smallpad": true },
+ },
+ [
+ h('label',
+ {
+ attrs: { "id": "close-settings", "for": "modal-settings" },
+ "class": { "modal-close": true },
+ }
+ ),
+ h('h3',
+ {
+ "class": { "section": true },
+ domProps: { innerHTML: "Preferences" },
+ }
+ ),
+ h('fieldset',
+ { },
+ [
+ //h('legend', { domProps: { innerHTML: "Legend title" } }),
+ h('label',
+ {
+ attrs: { for: "setHints" },
+ domProps: { innerHTML: "Show hints?" },
+ },
+ ),
+ h('input',
+ {
+ attrs: {
+ "id": "setHints",
+ type: "checkbox",
+ checked: this.hints,
+ },
+ on: { "change": this.toggleHints },
+ }
+ ),
+ ]
+ ),
+ h('fieldset',
+ { },
+ [
+ h('label',
+ {
+ attrs: { for: "selectColor" },
+ domProps: { innerHTML: "Board colors" },
+ },
+ ),
+ h("select",
+ {
+ attrs: { "id": "selectColor" },
+ on: { "change": this.setColor },
+ },
+ [
+ h("option",
+ {
+ domProps: {
+ "value": "lichess",
+ innerHTML: "brown"
+ },
+ attrs: { "selected": this.color=="lichess" },
+ }
+ ),
+ h("option",
+ {
+ domProps: {
+ "value": "chesscom",
+ innerHTML: "green"
+ },
+ attrs: { "selected": this.color=="chesscom" },
+ }
+ ),
+ h("option",
+ {
+ domProps: {
+ "value": "chesstempo",
+ innerHTML: "blue"
+ },
+ attrs: { "selected": this.color=="chesstempo" },
+ }
+ ),
+ ],
+ ),
+ ]
+ ),
+ h('fieldset',
+ { },
+ [
+ h('label',
+ {
+ attrs: { for: "selectSound" },
+ domProps: { innerHTML: "Play sounds?" },
+ },
+ ),
+ h("select",
+ {
+ attrs: { "id": "selectSound" },
+ on: { "change": this.setSound },
+ },
+ [
+ h("option",
+ {
+ domProps: {
+ "value": "0",
+ innerHTML: "None"
+ },
+ attrs: { "selected": this.sound==0 },
+ }
+ ),
+ h("option",
+ {
+ domProps: {
+ "value": "1",
+ innerHTML: "Newgame"
+ },
+ attrs: { "selected": this.sound==1 },
+ }
+ ),
+ h("option",
+ {
+ domProps: {
+ "value": "2",
+ innerHTML: "All"
+ },
+ attrs: { "selected": this.sound==2 },
+ }
+ ),
+ ],
+ ),
+ ]
+ ),
+ ]
+ )
+ ]
+ )
+ ];
+ elementArray = elementArray.concat(modalSettings);
const actions = h('div',
{
attrs: { "id": "actions" },
actionArray
);
elementArray.push(actions);
+ if (this.score != "*")
+ {
+ elementArray.push(
+ h('div',
+ {
+ attrs: { id: "pgn-div" },
+ "class": { "section-content": true },
+ },
+ [
+ h('a',
+ {
+ attrs: {
+ id: "download",
+ href: "#",
+ }
+ }
+ ),
+ h('p',
+ {
+ attrs: { id: "pgn-game" },
+ domProps: { innerHTML: this.pgnTxt }
+ }
+ ),
+ h('button',
+ {
+ attrs: { "id": "downloadBtn" },
+ on: { click: this.download },
+ domProps: { innerHTML: "Download game" },
+ }
+ ),
+ ]
+ )
+ );
+ }
+ else if (this.mode != "idle")
+ {
+ // Show current FEN
+ elementArray.push(
+ h('div',
+ {
+ attrs: { id: "fen-div" },
+ "class": { "section-content": true },
+ },
+ [
+ h('p',
+ {
+ attrs: { id: "fen-string" },
+ domProps: { innerHTML: this.vr.getFen() }
+ }
+ )
+ ]
+ )
+ );
+ }
return h(
'div',
{
"col-lg-6":true,
"col-lg-offset-3":true,
},
- // NOTE: click = mousedown + mouseup --> what about smartphone?!
+ // NOTE: click = mousedown + mouseup
on: {
mousedown: this.mousedown,
mousemove: this.mousemove,
mouseup: this.mouseup,
- touchdown: this.mousedown,
+ touchstart: this.mousedown,
touchmove: this.mousemove,
- touchup: this.mouseup,
+ touchend: this.mouseup,
},
},
elementArray
created: function() {
const url = socketUrl;
const continuation = (localStorage.getItem("variant") === variant);
- this.myid = continuation
- ? localStorage.getItem("myid")
- // random enough (TODO: function)
- : (Date.now().toString(36) + Math.random().toString(36).substr(2, 7)).toUpperCase();
+ this.myid = continuation ? localStorage.getItem("myid") : getRandString();
+ if (!continuation)
+ {
+ // HACK: play a small silent sound to allow "new game" sound later
+ // if tab not focused (TODO: does it really work ?!)
+ new Audio("/sounds/silent.mp3").play().then(() => {}).catch(err => {});
+ }
this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant);
const socketOpenListener = () => {
if (continuation)
{
- // TODO: check FEN integrity with opponent
- this.newGame("human", localStorage.getItem("fen"),
- localStorage.getItem("mycolor"), localStorage.getItem("oppid"), true);
- // Send ping to server, which answers pong if opponent is connected
- this.conn.send(JSON.stringify({code:"ping", oppid:this.oppId}));
+ const fen = localStorage.getItem("fen");
+ const mycolor = localStorage.getItem("mycolor");
+ const oppid = localStorage.getItem("oppid");
+ const moves = JSON.parse(localStorage.getItem("moves"));
+ this.newGame("human", fen, mycolor, oppid, moves, true);
+ // Send ping to server (answer pong if opponent is connected)
+ this.conn.send(JSON.stringify({code:"ping",oppid:this.oppid}));
+ }
+ else if (localStorage.getItem("newgame") === variant)
+ {
+ // New game request has been cancelled on disconnect
+ this.newGame("human", undefined, undefined, undefined, undefined, "reconnect");
}
};
const socketMessageListener = msg => {
switch (data.code)
{
case "newgame": //opponent found
- this.newGame("human", data.fen, data.color, data.oppid); //oppid: opponent socket ID
+ // oppid: opponent socket ID
+ this.newGame("human", data.fen, data.color, data.oppid);
break;
case "newmove": //..he played!
this.play(data.move, "animate");
break;
- case "pong": //sent when opponent stayed online after we disconnected
+ case "pong": //received if we sent a ping (game still alive on our side)
this.oppConnected = true;
+ const L = this.vr.moves.length;
+ // Send our "last state" informations to opponent
+ this.conn.send(JSON.stringify({
+ code:"lastate",
+ oppid:this.oppid,
+ lastMove:L>0?this.vr.moves[L-1]:undefined,
+ movesCount:L,
+ }));
+ break;
+ case "lastate": //got opponent infos about last move (we might have resigned)
+ if (this.mode!="human" || this.oppid!=data.oppid)
+ {
+ // OK, we resigned
+ this.conn.send(JSON.stringify({
+ code:"lastate",
+ oppid:this.oppid,
+ lastMove:undefined,
+ movesCount:-1,
+ }));
+ }
+ else if (data.movesCount < 0)
+ {
+ // OK, he resigned
+ this.endGame(this.mycolor=="w"?"1-0":"0-1");
+ }
+ else if (data.movesCount < this.vr.moves.length)
+ {
+ // We must tell last move to opponent
+ const L = this.vr.moves.length;
+ this.conn.send(JSON.stringify({
+ code:"lastate",
+ oppid:this.oppid,
+ lastMove:this.vr.moves[L-1],
+ movesCount:L,
+ }));
+ }
+ else if (data.movesCount > this.vr.moves.length) //just got last move from him
+ this.play(data.lastMove, "animate");
break;
case "resign": //..you won!
- this.endGame("Victory!");
+ this.endGame(this.mycolor=="w"?"1-0":"0-1");
break;
- // TODO: also use (dis)connect info to count online players
+ // TODO: also use (dis)connect info to count online players?
case "connect":
case "disconnect":
if (this.mode == "human" && this.oppid == data.id)
}
};
const socketCloseListener = () => {
- console.log("Lost connection -- reconnect"); //TODO: be more subtle than that, reconnect only when needed!
this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant);
this.conn.addEventListener('open', socketOpenListener);
this.conn.addEventListener('message', socketMessageListener);
this.conn.onopen = socketOpenListener;
this.conn.onmessage = socketMessageListener;
this.conn.onclose = socketCloseListener;
+ // Listen to keyboard left/right to navigate in game
+ document.onkeydown = event => {
+ if (this.mode == "idle" && !!this.vr && this.vr.moves.length > 0
+ && [37,39].includes(event.keyCode))
+ {
+ event.preventDefault();
+ if (event.keyCode == 37) //Back
+ this.undo();
+ else //Forward (39)
+ this.play();
+ }
+ };
},
methods: {
- endGame: function(message) {
- this.endofgame = message;
- document.getElementById("modal-control").checked = true;
+ download: function() {
+ let content = document.getElementById("pgn-game").innerHTML;
+ content = content.replace(/<br>/g, "\n");
+ // Prepare and trigger download link
+ let downloadAnchor = document.getElementById("download");
+ downloadAnchor.setAttribute("download", "game.pgn");
+ downloadAnchor.href = "data:text/plain;charset=utf-8," +
+ encodeURIComponent(content);
+ downloadAnchor.click();
+ },
+ endGame: function(score) {
+ this.score = score;
+ let modalBox = document.getElementById("modal-eog");
+ modalBox.checked = true;
+ // Variants may have special PGN structure (so next function isn't defined here)
+ this.pgnTxt = this.vr.getPGN(this.mycolor, this.score, this.fenStart, this.mode);
+ setTimeout(() => { modalBox.checked = false; }, 2000);
if (this.mode == "human")
this.clearStorage();
this.mode = "idle";
+ this.cursor = this.vr.moves.length; //to navigate in finished game
this.oppid = "";
},
- resign: function() {
- if (this.mode == "human" && this.oppConnected)
+ getEndgameMessage: function(score) {
+ let eogMessage = "Unfinished";
+ switch (this.score)
{
- try {
- this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
- } catch (INVALID_STATE_ERR) {
- return; //resign failed for some reason...
- }
+ case "1-0":
+ eogMessage = "White win";
+ break;
+ case "0-1":
+ eogMessage = "Black win";
+ break;
+ case "1/2":
+ eogMessage = "Draw";
+ break;
}
- this.endGame("Try again!");
+ return eogMessage;
+ },
+ setStorage: function() {
+ localStorage.setItem("myid", this.myid);
+ localStorage.setItem("variant", variant);
+ localStorage.setItem("mycolor", this.mycolor);
+ localStorage.setItem("oppid", this.oppid);
+ localStorage.setItem("fenStart", this.fenStart);
+ localStorage.setItem("moves", JSON.stringify(this.vr.moves));
+ localStorage.setItem("fen", this.vr.getFen());
},
updateStorage: function() {
- if (!localStorage.getItem("myid"))
- {
- localStorage.setItem("myid", this.myid);
- localStorage.setItem("variant", variant);
- localStorage.setItem("mycolor", this.mycolor);
- localStorage.setItem("oppid", this.oppid);
- }
+ localStorage.setItem("moves", JSON.stringify(this.vr.moves));
localStorage.setItem("fen", this.vr.getFen());
},
clearStorage: function() {
delete localStorage["myid"];
delete localStorage["mycolor"];
delete localStorage["oppid"];
+ delete localStorage["fenStart"];
delete localStorage["fen"];
+ delete localStorage["moves"];
+ },
+ // HACK because mini-css tooltips are persistent after click...
+ getRidOfTooltip: function(elt) {
+ elt.style.visibility = "hidden";
+ setTimeout(() => { elt.style.visibility="visible"; }, 100);
+ },
+ showSettings: function(e) {
+ this.getRidOfTooltip(e.currentTarget);
+ document.getElementById("modal-settings").checked = true;
},
- newGame: function(mode, fenInit, color, oppId, continuation) {
- const fen = fenInit || VariantRules.GenRandInitFen();
+ toggleHints: function() {
+ this.hints = !this.hints;
+ setCookie("hints", this.hints ? "1" : "0");
+ },
+ setColor: function(e) {
+ this.color = e.target.options[e.target.selectedIndex].value;
+ setCookie("color", this.color);
+ },
+ setSound: function(e) {
+ this.sound = parseInt(e.target.options[e.target.selectedIndex].value);
+ setCookie("sound", this.sound);
+ },
+ clickGameSeek: function(e) {
+ this.getRidOfTooltip(e.currentTarget);
+ if (this.mode == "human")
+ return; //no newgame while playing
+ if (this.seek)
+ {
+ this.conn.send(JSON.stringify({code:"cancelnewgame"}));
+ delete localStorage["newgame"]; //cancel game seek
+ this.seek = false;
+ }
+ else
+ this.newGame("human");
+ },
+ clickComputerGame: function(e) {
+ this.getRidOfTooltip(e.currentTarget);
+ if (this.mode == "human")
+ return; //no newgame while playing
+ this.newGame("computer");
+ },
+ clickFriendGame: function(e) {
+ this.getRidOfTooltip(e.currentTarget);
+ document.getElementById("modal-fenedit").checked = true;
+ },
+ resign: function(e) {
+ this.getRidOfTooltip(e.currentTarget);
+ if (this.mode == "human" && this.oppConnected)
+ {
+ try {
+ this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
+ } catch (INVALID_STATE_ERR) {
+ return; //socket is not ready (and not yet reconnected)
+ }
+ }
+ this.endGame(this.mycolor=="w"?"0-1":"1-0");
+ },
+ newGame: function(mode, fenInit, color, oppId, moves, continuation) {
+ const fen = "M7/8/8/3K1k2/8/8/8/8 0000";//fenInit || VariantRules.GenRandInitFen();
console.log(fen); //DEBUG
if (mode=="human" && !oppId)
{
+ const storageVariant = localStorage.getItem("variant");
+ if (!!storageVariant && storageVariant !== variant)
+ {
+ alert("Finish your " + storageVariant + " game first!");
+ return;
+ }
// Send game request and wait..
+ localStorage["newgame"] = variant;
+ this.seek = true;
this.clearStorage(); //in case of
try {
this.conn.send(JSON.stringify({code:"newgame", fen:fen}));
} catch (INVALID_STATE_ERR) {
return; //nothing achieved
}
- document.getElementById("modal-control2").checked = true;
+ if (continuation !== "reconnect") //TODO: bad HACK...
+ {
+ let modalBox = document.getElementById("modal-newgame");
+ modalBox.checked = true;
+ setTimeout(() => { modalBox.checked = false; }, 2000);
+ }
return;
}
- this.vr = new VariantRules(fen);
+ this.vr = new VariantRules(fen, moves || []);
+ this.score = "*";
+ this.pgnTxt = ""; //redundant with this.score = "*", but cleaner
this.mode = mode;
+ this.incheck = []; //in case of
+ this.fenStart = (continuation ? localStorage.getItem("fenStart") : fen);
if (mode=="human")
{
// Opponent found!
- if (!continuation)
+ if (!continuation) //not playing sound on game continuation
{
- // Playing sound fails on game continuation:
- new Audio("/sounds/newgame.mp3").play();
- document.getElementById("modal-control2").checked = false;
+ if (this.sound >= 1)
+ new Audio("/sounds/newgame.mp3").play().then(() => {}).catch(err => {});
+ document.getElementById("modal-newgame").checked = false;
}
this.oppid = oppId;
this.oppConnected = true;
this.mycolor = color;
+ this.seek = false;
+ if (!!moves && moves.length > 0) //imply continuation
+ {
+ const lastMove = moves[moves.length-1];
+ this.vr.undo(lastMove);
+ this.incheck = this.vr.getCheckSquares(lastMove);
+ this.vr.play(lastMove, "ingame");
+ }
+ delete localStorage["newgame"];
+ this.setStorage(); //in case of interruptions
}
- else //against computer
+ else if (mode == "computer")
{
- this.mycolor = Math.random() < 0.5 ? 'w' : 'b';
+ this.mycolor = "w";//Math.random() < 0.5 ? 'w' : 'b';
if (this.mycolor == 'b')
setTimeout(this.playComputerMove, 500);
}
+ //else: against a (IRL) friend: nothing more to do
},
playComputerMove: function() {
- const compColor = this.mycolor=='w' ? 'b' : 'w';
- const compMove = this.vr.getComputerMove(compColor);
- // HACK: avoid selecting elements before they appear on page:
- setTimeout(() => this.play(compMove, "animate"), 500);
+ const timeStart = Date.now();
+ const compMove = this.vr.getComputerMove();
+ // (first move) HACK: avoid selecting elements before they appear on page:
+ const delay = Math.max(500-(Date.now()-timeStart), 0);
+ setTimeout(() => this.play(compMove, "animate"), delay);
},
// Get the identifier of a HTML table cell from its numeric coordinates o.x,o.y.
getSquareId: function(o) {
},
mousedown: function(e) {
e = e || window.event;
+ let ingame = false;
+ let elem = e.target;
+ while (!ingame && elem !== null)
+ {
+ if (elem.classList.contains("game"))
+ {
+ ingame = true;
+ break;
+ }
+ elem = elem.parentElement;
+ }
+ if (!ingame) //let default behavior (click on button...)
+ return;
e.preventDefault(); //disable native drag & drop
if (!this.selectedPiece && e.target.classList.contains("piece"))
{
this.selectedPiece.style.display = "inline-block";
this.selectedPiece.style.zIndex = 3000;
let startSquare = this.getSquareFromId(e.target.parentNode.id);
- this.possibleMoves = this.vr.canIplay(this.mycolor,startSquare)
- ? this.vr.getPossibleMovesFrom(startSquare)
- : [];
- e.target.parentNode.appendChild(this.selectedPiece);
+ const iCanPlay = this.mode!="idle"
+ && (this.mode=="friend" || this.vr.canIplay(this.mycolor,startSquare));
+ this.possibleMoves = iCanPlay ? this.vr.getPossibleMovesFrom(startSquare) : [];
+ // Next line add moving piece just after current image
+ // (required for Crazyhouse reserve)
+ e.target.parentNode.insertBefore(this.selectedPiece, e.target.nextSibling);
}
},
mousemove: function(e) {
// If there is an active element, move it around
if (!!this.selectedPiece)
{
- this.selectedPiece.style.left = (e.clientX-this.start.x) + "px";
- this.selectedPiece.style.top = (e.clientY-this.start.y) + "px";
+ const [offsetX,offsetY] = !!e.clientX
+ ? [e.clientX,e.clientY] //desktop browser
+ : [e.changedTouches[0].pageX, e.changedTouches[0].pageY]; //smartphone
+ this.selectedPiece.style.left = (offsetX-this.start.x) + "px";
+ this.selectedPiece.style.top = (offsetY-this.start.y) + "px";
}
},
mouseup: function(e) {
return;
e = e || window.event;
// Read drop target (or parentElement, parentNode... if type == "img")
- this.selectedPiece.style.zIndex = -3000; //HACK to find square from final coordinates
- let landing = document.elementFromPoint(e.clientX, e.clientY);
+ this.selectedPiece.style.zIndex = -3000; //HACK to find square from final coords
+ const [offsetX,offsetY] = !!e.clientX
+ ? [e.clientX,e.clientY]
+ : [e.changedTouches[0].pageX, e.changedTouches[0].pageY];
+ let landing = document.elementFromPoint(offsetX, offsetY);
this.selectedPiece.style.zIndex = 3000;
- while (landing.tagName == "IMG") //classList.contains(piece) fails because of mark/highlight
+ // Next condition: classList.contains(piece) fails because of marks
+ while (landing.tagName == "IMG")
landing = landing.parentNode;
- if (this.start.id == landing.id) //a click: selectedPiece and possibleMoves already filled
+ if (this.start.id == landing.id)
+ {
+ // A click: selectedPiece and possibleMoves are already filled
return;
+ }
// OK: process move attempt
let endSquare = this.getSquareFromId(landing.id);
let moves = this.findMatchingMoves(endSquare);
let rectStart = startSquare.getBoundingClientRect();
let rectEnd = endSquare.getBoundingClientRect();
let translation = {x:rectEnd.x-rectStart.x, y:rectEnd.y-rectStart.y};
- let movingPiece = document.querySelector("#" + this.getSquareId(move.start) + " > img.piece");
- // HACK for animation (otherwise with positive translate, image slides "under background"...)
+ let movingPiece =
+ document.querySelector("#" + this.getSquareId(move.start) + " > img.piece");
+ // HACK for animation (with positive translate, image slides "under background")
// Possible improvement: just alter squares on the piece's way...
squares = document.getElementsByClassName("board");
for (let i=0; i<squares.length; i++)
if (square.id != this.getSquareId(move.start))
square.style.zIndex = "-1";
}
- movingPiece.style.transform = "translate(" + translation.x + "px," + translation.y + "px)";
+ movingPiece.style.transform = "translate(" + translation.x + "px," +
+ translation.y + "px)";
movingPiece.style.transitionDuration = "0.2s";
movingPiece.style.zIndex = "3000";
setTimeout( () => {
}, 200);
},
play: function(move, programmatic) {
+ if (!move)
+ {
+ // Navigate after game is over
+ if (this.cursor >= this.vr.moves.length)
+ return; //already at the end
+ move = this.vr.moves[this.cursor++];
+ }
if (!!programmatic) //computer or human opponent
{
this.animateMove(move);
}
// Not programmatic, or animation is over
if (this.mode == "human" && this.vr.turn == this.mycolor)
+ this.conn.send(JSON.stringify({code:"newmove", move:move, oppid:this.oppid}));
+ if (this.sound == 2)
+ new Audio("/sounds/chessmove1.mp3").play().then(() => {}).catch(err => {});
+ if (this.mode != "idle")
{
- if (!this.oppConnected)
- return; //abort move if opponent is gone
- try {
- this.conn.send(JSON.stringify({code:"newmove", move:move, oppid:this.oppid}));
- } catch(INVALID_STATE_ERR) {
- return; //abort also if sending failed
- }
+ this.incheck = this.vr.getCheckSquares(move); //is opponent in check?
+ this.vr.play(move, "ingame");
+ }
+ else
+ {
+ VariantRules.PlayOnBoard(this.vr.board, move);
+ this.$forceUpdate(); //TODO: ?!
}
- new Audio("/sounds/chessmove1.mp3").play();
- this.vr.play(move, "ingame");
if (this.mode == "human")
this.updateStorage(); //after our moves and opponent moves
- const eog = this.vr.checkGameOver(this.vr.turn);
- if (eog != "*")
- this.endGame(eog);
- else if (this.mode == "computer" && this.vr.turn != this.mycolor)
+ if (this.mode != "idle")
+ {
+ const eog = this.vr.checkGameOver();
+ if (eog != "*")
+ this.endGame(eog);
+ }
+ if (this.mode == "computer" && this.vr.turn != this.mycolor)
setTimeout(this.playComputerMove, 500);
},
+ undo: function() {
+ // Navigate after game is over
+ if (this.cursor == 0)
+ return; //already at the beginning
+ if (this.cursor == this.vr.moves.length)
+ this.incheck = []; //in case of...
+ const move = this.vr.moves[--this.cursor];
+ VariantRules.UndoOnBoard(this.vr.board, move);
+ this.$forceUpdate(); //TODO: ?!
+ },
+ undoInGame: function() {
+ const lm = this.vr.lastMove;
+ if (!!lm)
+ this.vr.undo(lm);
+ },
},
})
projects / vchess.git / blobdiff