-// TODO: use indexedDB instead of localStorage? (more flexible: allow several games)
Vue.component('my-game', {
data: function() {
return {
selectedPiece: null, //moving piece (or clicked piece)
conn: null, //socket messages
score: "*", //'*' means 'unfinished'
- mode: "idle", //human, computer or idle (when not playing)
+ 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: "",
- expert: document.cookie.length>0 ? document.cookie.substr(-1)=="1" : false,
+ expert: getCookie("expert") === "1" ? true : false,
+ gameId: "", //used to limit computer moves' time
};
},
render(h) {
- let [sizeX,sizeY] = VariantRules.size;
+ const [sizeX,sizeY] = VariantRules.size;
// Precompute hints squares to facilitate rendering
let hintSquares = doubleArray(sizeX, sizeY, false);
this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; });
let incheckSq = doubleArray(sizeX, sizeY, false);
this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; });
let elementArray = [];
- const playingHuman = (this.mode == "human");
- const playingComp = (this.mode == "computer");
- let actionArray = [
+ let actionArray = [];
+ actionArray.push(
h('button',
- {
- on: { click: this.clickGameSeek },
- attrs: { "aria-label": 'New game VS human' },
- 'class': {
- "tooltip": true,
- "bottom": true, //display below
- "seek": this.seek,
- "playing": playingHuman,
- },
+ {
+ on: { click: this.clickGameSeek },
+ attrs: { "aria-label": 'New online game' },
+ 'class': {
+ "tooltip": true,
+ "bottom": true, //display below
+ "seek": this.seek,
+ "playing": this.mode == "human",
},
- [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.clickComputerGame },
attrs: { "aria-label": 'New game VS computer' },
'class': {
"tooltip":true,
"bottom": true,
- "playing": playingComp,
+ "playing": this.mode == "computer",
},
},
[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",
+ },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "people")])
+ );
+ }
if (!!this.vr)
{
const square00 = document.getElementById("sq-0-0");
"expert-mode": this.expert,
},
},
- [h('i', { 'class': { "material-icons": true } }, "remove_red_eye")]
+ [h('i', { 'class': { "material-icons": true } }, "visibility_off")]
);
elementArray.push(expertSwitch);
let choices = h('div',
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=[]; } },
})
]
{
'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",
},
}
)
);
}
const lm = this.vr.lastMove;
- const highlight = !!lm && _.isMatch(lm.end, {x:ci,y:cj});
+ const showLight = !this.expert &&
+ (this.mode!="idle" || this.cursor==this.vr.moves.length);
return h(
'div',
{
'class': {
'board': true,
- 'light-square': (i+j)%2==0 && (this.expert || !highlight),
- 'dark-square': (i+j)%2==1 && (this.expert || !highlight),
- 'highlight': !this.expert && highlight,
- 'incheck': !this.expert && incheckSq[ci][cj],
+ ['board'+sizeY]: true,
+ 'light-square': (i+j)%2==0,
+ 'dark-square': (i+j)%2==1,
+ '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',
- {
- on: { click: this.resign },
- attrs: { "aria-label": 'Resign' },
- 'class': {
- "tooltip":true,
- "bottom": true,
+ if (this.mode != "idle")
+ {
+ actionArray.push(
+ h('button',
+ {
+ on: { click: this.resign },
+ attrs: { "aria-label": 'Resign' },
+ 'class': {
+ "tooltip":true,
+ "bottom": true,
+ },
},
- },
- [h('i', { 'class': { "material-icons": true } }, "flag")])
- );
+ [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',
+ {
+ style: { "margin-left": "30px" },
+ on: { click: e => this.undo() },
+ attrs: { "aria-label": 'Undo' },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "fast_rewind")]),
+ h('button',
+ {
+ on: { click: e => this.play() },
+ attrs: { "aria-label": 'Play' },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "fast_forward")]),
+ ]
+ );
+ }
+ if (this.mode == "friend")
+ {
+ actionArray = actionArray.concat(
+ [
+ h('button',
+ {
+ style: { "margin-left": "30px" },
+ on: { click: this.undoInGame },
+ attrs: { "aria-label": 'Undo' },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "undo")]
+ ),
+ h('button',
+ {
+ on: { click: () => { this.mycolor = this.vr.getOppCol(this.mycolor) } },
+ attrs: { "aria-label": 'Flip' },
+ },
+ [h('i', { 'class': { "material-icons": true } }, "cached")]
+ ),
+ ]);
+ }
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);
- // }
+ 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',
+ {
+ 'class': {'board':true, ['board'+sizeY]:true},
+ attrs: { id: this.getSquareId({x:sizeX+shiftIdx,y:i}) }
+ },
+ [
+ h('img',
+ {
+ 'class': {"piece":true},
+ attrs: {
+ "src": "/images/pieces/" +
+ this.vr.getReservePpath(this.mycolor,i) + ".svg",
+ }
+ }),
+ h('sup',
+ {style: { "padding-left":"40%"} },
+ [ 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',
+ {style: { "padding-left":"40%"} },
+ [ this.vr.reserve[oppCol][VariantRules.RESERVE_PIECES[i]] ]
+ )
+ ]));
+ }
+ let reserves = h('div',
+ {
+ 'class':{'game':true},
+ style: {"margin-bottom": "20px"},
+ },
+ [
+ h('div',
+ {
+ 'class': { 'row': true },
+ style: {"margin-bottom": "15px"},
+ },
+ myReservePiecesArray
+ ),
+ h('div',
+ { 'class': { 'row': true }},
+ oppReservePiecesArray
+ )
+ ]
+ );
+ elementArray.push(reserves);
+ }
const eogMessage = this.getEndgameMessage(this.score);
const modalEog = [
h('input',
}),
h('div',
{
- attrs: { "role": "dialog", "aria-labelledby": "dialog-title" },
+ attrs: { "role": "dialog", "aria-labelledby": "modal-eog" },
},
[
h('div',
}),
h('div',
{
- attrs: { "role": "dialog", "aria-labelledby": "dialog-title" },
+ attrs: { "role": "dialog", "aria-labelledby": "modal-newgame" },
},
[
h('div',
)
];
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 actions = h('div',
{
attrs: { "id": "actions" },
{
attrs: { id: "pgn-game" },
on: { click: this.download },
- domProps: {
- innerHTML: this.pgnTxt
- }
+ domProps: { innerHTML: this.pgnTxt }
+ }
+ )
+ ]
+ )
+ );
+ }
+ else if (this.mode != "idle")
+ {
+ // Show current FEN
+ elementArray.push(
+ h('div',
+ { attrs: { id: "fen-div" } },
+ [
+ h('p',
+ {
+ attrs: { id: "fen-string" },
+ domProps: { innerHTML: this.vr.getFen() }
}
)
]
"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
+ new Audio("/sounds/silent.mp3").play().then(() => {}).catch(err => {});
+ }
this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant);
const socketOpenListener = () => {
if (continuation)
else if (localStorage.getItem("newgame") === variant)
{
// New game request has been cancelled on disconnect
- this.seek = true;
this.newGame("human", undefined, undefined, undefined, undefined, "reconnect");
}
};
const socketMessageListener = msg => {
const data = JSON.parse(msg.data);
- console.log("Receive message: " + data.code);
switch (data.code)
{
case "newgame": //opponent found
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: {
download: function() {
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 = "";
},
getEndgameMessage: function(score) {
}
return eogMessage;
},
- toggleExpertMode: function() {
- this.expert = !this.expert;
- document.cookie = "expert=" + (this.expert ? "1" : "0");
- },
- resign: function() {
- 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");
- },
setStorage: function() {
localStorage.setItem("myid", this.myid);
localStorage.setItem("variant", variant);
delete localStorage["fen"];
delete localStorage["moves"];
},
- clickGameSeek: function() {
+ // HACK because mini-css tooltips are persistent after click...
+ getRidOfTooltip: function(elt) {
+ elt.style.visibility = "hidden";
+ setTimeout(() => { elt.style.visibility="visible"; }, 100);
+ },
+ 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() {
+ 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;
+ },
+ toggleExpertMode: function(e) {
+ this.getRidOfTooltip(e.currentTarget);
+ this.expert = !this.expert;
+ setCookie("expert", this.expert ? "1" : "0");
+ },
+ 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 = fenInit || VariantRules.GenRandInitFen();
console.log(fen); //DEBUG
- this.score = "*";
if (mode=="human" && !oppId)
{
const storageVariant = localStorage.getItem("variant");
}
return;
}
+ this.gameId = getRandString();
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.split(" ")[0]; //Only the position matters
+ this.fenStart = (continuation ? localStorage.getItem("fenStart") : fen);
if (mode=="human")
{
// Opponent found!
delete localStorage["newgame"];
this.setStorage(); //in case of interruptions
}
- else //against computer
+ else if (mode == "computer")
{
this.mycolor = 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 timeStart = Date.now();
+ const nbMoves = this.vr.moves.length; //using played moves to know if search finished
+ const gameId = this.gameId; //to know if game was reset before timer end
+ setTimeout(
+ () => {
+ if (gameId != this.gameId)
+ return; //game stopped
+ const L = this.vr.moves.length;
+ if (nbMoves == L || !this.vr.moves[L-1].notation) //move search didn't finish
+ this.vr.shouldReturn = true;
+ }, 5000);
const compMove = this.vr.getComputerMove();
- // HACK: avoid selecting elements before they appear on page:
- setTimeout(() => this.play(compMove, "animate"), 500);
+ // (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.mode!="idle" && 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) {
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);
+ 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
landing = landing.parentNode;
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++)
}, 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);
return;
}
- this.incheck = this.vr.getCheckSquares(move); //is opponent in check?
// 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}));
new Audio("/sounds/chessmove1.mp3").play().then(() => {}).catch(err => {});
- this.vr.play(move, "ingame");
+ if (this.mode != "idle")
+ {
+ this.incheck = this.vr.getCheckSquares(move); //is opponent in check?
+ this.vr.play(move, "ingame");
+ }
+ else
+ {
+ VariantRules.PlayOnBoard(this.vr.board, move);
+ this.$forceUpdate(); //TODO: ?!
+ }
if (this.mode == "human")
this.updateStorage(); //after our moves and opponent moves
- const eog = this.vr.checkGameOver();
- if (eog != "*")
- this.endGame(eog);
- else if (this.mode == "computer" && this.vr.turn != this.mycolor)
+ if (this.mode != "idle")
+ {
+ const eog = this.vr.checkGameOver();
+ if (eog != "*")
+ this.endGame(eog);
+ }
+ if (this.mode == "computer" && this.vr.turn != this.mycolor)
setTimeout(this.playComputerMove, 500);
},
+ undo: function() {
+ // Navigate after game is over
+ if (this.cursor == 0)
+ return; //already at the beginning
+ if (this.cursor == this.vr.moves.length)
+ this.incheck = []; //in case of...
+ const move = this.vr.moves[--this.cursor];
+ VariantRules.UndoOnBoard(this.vr.board, move);
+ this.$forceUpdate(); //TODO: ?!
+ },
+ undoInGame: function() {
+ const lm = this.vr.lastMove;
+ if (!!lm)
+ this.vr.undo(lm);
+ },
},
})