<script>
import { getSquareId, getSquareFromId } from "@/utils/squareId";
import { ArrayFun } from "@/utils/array";
-
+import { store } from "@/store";
export default {
- name: 'my-board',
+ name: "my-board",
// Last move cannot be guessed from here, and is required to highlight squares
// vr: object to check moves, print board...
// userColor is left undefined for an external observer
- props: ["vr","lastMove","analyze","orientation","userColor","vname"],
- data: function () {
+ props: [
+ "vr",
+ "lastMove",
+ "analyze",
+ "score",
+ "incheck",
+ "orientation",
+ "userColor",
+ "vname"
+ ],
+ data: function() {
return {
- hints: (!localStorage["hints"] ? true : localStorage["hints"] === "1"),
- bcolor: localStorage["bcolor"] || "lichess", //lichess, chesscom or chesstempo
+ mobileBrowser: ("ontouchstart" in window),
possibleMoves: [], //filled after each valid click/dragstart
choices: [], //promotion pieces, or checkered captures... (as moves)
selectedPiece: null, //moving piece (or clicked piece)
- incheck: [],
start: {}, //pixels coordinates + id of starting square (click or drag)
+ settings: store.state.settings
};
},
render(h) {
- if (!this.vr)
- return;
- const [sizeX,sizeY] = [V.size.x,V.size.y];
+ if (!this.vr) {
+ // Return empty div of class 'game' to avoid error when setting size
+ return h("div", {
+ class: {
+ game: true
+ }
+ });
+ }
+ const [sizeX, sizeY] = [V.size.x, V.size.y];
// Precompute hints squares to facilitate rendering
let hintSquares = ArrayFun.init(sizeX, sizeY, false);
- this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; });
+ this.possibleMoves.forEach(m => {
+ hintSquares[m.end.x][m.end.y] = true;
+ });
// Also precompute in-check squares
let incheckSq = ArrayFun.init(sizeX, sizeY, false);
- this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; });
+ this.incheck.forEach(sq => {
+ incheckSq[sq[0]][sq[1]] = true;
+ });
- let firstRow = document.querySelector(".game > .row");
- const squareWidth = (!!firstRow
- ? document.querySelector(".game > .row").offsetWidth / sizeY
- : 40); //arbitrary value (not relevant)
- const choices = h(
- 'div',
- {
- attrs: { "id": "choices" },
- 'class': { 'row': true },
- style: {
- "display": (this.choices.length > 0 ? "block" : "none"),
- "top": ((sizeY/2)*squareWidth+squareWidth/2) + "px",
- "width": (this.choices.length * squareWidth) + "px",
- "height": squareWidth + "px",
- },
- },
- this.choices.map(m => { //a "choice" is a move
- return h('div',
- {
- 'class': {
- 'board': true,
- ['board'+sizeY]: true,
- },
- style: {
- 'width': (100/this.choices.length) + "%",
- 'padding-bottom': (100/this.choices.length) + "%",
- },
- },
- [h('img',
- {
- attrs: { "src": '/images/pieces/' +
- V.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' },
- 'class': { 'choice-piece': true },
- on: {
- "click": e => { this.play(m); this.choices=[]; },
- // NOTE: add 'touchstart' event to fix a problem on smartphones
- "touchstart": e => { this.play(m); this.choices=[]; },
- },
- })
- ]
- );
- })
- );
- // Create board element (+ reserves if needed by variant or mode)
const lm = this.lastMove;
- const showLight = this.hints && this.vname != "Dark";
+ const showLight = (
+ this.settings.highlight &&
+ ["all","highlight"].includes(V.ShowMoves)
+ );
+ const orientation = !V.CanFlip ? "w" : this.orientation;
+ // Ensure that squares colors do not change when board is flipped
+ const lightSquareMod = (sizeX + sizeY) % 2;
+ const showPiece = (x, y) => {
+ return (
+ this.vr.board[x][y] != V.EMPTY &&
+ (!this.vr.enlightened || this.analyze || this.score != "*" ||
+ (!!this.userColor && this.vr.enlightened[this.userColor][x][y]))
+ );
+ };
+ const inHighlight = (x, y) => {
+ return showLight && !!lm && (
+ (lm.end.x == x && lm.end.y == y) ||
+ (lm.start.x == x && lm.start.y == y));
+ };
+ const inShadow = (x, y) => {
+ return (
+ !this.analyze &&
+ this.score == "*" &&
+ this.vr.enlightened &&
+ (!this.userColor || !this.vr.enlightened[this.userColor][x][y])
+ );
+ };
+ // Create board element (+ reserves if needed by variant)
const gameDiv = h(
- 'div',
+ "div",
{
- 'class': {
- 'game': true,
- 'clearer': true,
- },
+ class: {
+ game: true,
+ clearer: true
+ }
},
[...Array(sizeX).keys()].map(i => {
- let ci = (this.orientation=='w' ? i : sizeX-i-1);
+ const ci = orientation == "w" ? i : sizeX - i - 1;
return h(
- 'div',
+ "div",
{
- 'class': {
- 'row': true,
+ class: {
+ row: true
},
- style: { 'opacity': this.choices.length>0?"0.5":"1" },
+ style: { opacity: this.choices.length > 0 ? "0.5" : "1" }
},
[...Array(sizeY).keys()].map(j => {
- let cj = (this.orientation=='w' ? j : sizeY-j-1);
+ const cj = orientation == "w" ? j : sizeY - j - 1;
let elems = [];
- if (this.vr.board[ci][cj] != V.EMPTY && (this.vname!="Dark"
- || this.analyze || (!!this.userColor
- && this.vr.enlightened[this.userColor][ci][cj])))
- {
+ if (showPiece(ci, cj)) {
elems.push(
- h(
- 'img',
- {
- 'class': {
- 'piece': true,
- 'ghost': !!this.selectedPiece
- && this.selectedPiece.parentNode.id == "sq-"+ci+"-"+cj,
- },
- attrs: {
- src: "/images/pieces/" +
- V.getPpath(this.vr.board[ci][cj]) + ".svg",
- },
+ h("img", {
+ class: {
+ piece: true,
+ ghost:
+ !!this.selectedPiece &&
+ this.selectedPiece.parentNode.id == "sq-" + ci + "-" + cj
+ },
+ attrs: {
+ src:
+ "/images/pieces/" +
+ this.vr.getPpath(this.vr.board[ci][cj], this.userColor, this.score) +
+ ".svg"
}
- )
+ })
);
}
- if (this.hints && hintSquares[ci][cj])
- {
+ if (this.settings.hints && hintSquares[ci][cj]) {
elems.push(
- h(
- 'img',
- {
- 'class': {
- 'mark-square': true,
- },
- attrs: {
- src: "/images/mark.svg",
- },
+ h("img", {
+ class: {
+ "mark-square": true
+ },
+ attrs: {
+ src: "/images/mark.svg"
}
- )
+ })
);
}
+ const lightSquare = (ci + cj) % 2 == lightSquareMod;
return h(
- 'div',
+ "div",
{
- 'class': {
- 'board': true,
- ['board'+sizeY]: true,
- 'light-square': (i+j)%2==0,
- 'dark-square': (i+j)%2==1,
- [this.bcolor]: true,
- 'in-shadow': this.vname=="Dark" && !this.analyze
- && (!this.userColor
- || !this.vr.enlightened[this.userColor][ci][cj]),
- 'highlight': showLight && !!lm && lm.end.x == ci && lm.end.y == cj,
- 'incheck': showLight && incheckSq[ci][cj],
+ class: {
+ board: true,
+ ["board" + sizeY]: true,
+ "light-square": lightSquare,
+ "dark-square": !lightSquare,
+ [this.settings.bcolor]: true,
+ "in-shadow": inShadow(ci, cj),
+ "highlight-light": inHighlight(ci, cj) && lightSquare,
+ "highlight-dark": inHighlight(ci, cj) && !lightSquare,
+ "incheck-light": showLight && lightSquare && incheckSq[ci][cj],
+ "incheck-dark": showLight && !lightSquare && incheckSq[ci][cj]
},
attrs: {
- id: getSquareId({x:ci,y:cj}),
- },
+ id: getSquareId({ x: ci, y: cj })
+ }
},
elems
);
);
})
);
+ let elementArray = [gameDiv];
const playingColor = this.userColor || "w"; //default for an observer
- let elementArray = [choices, gameDiv];
- if (!!this.vr.reserve)
- {
- const shiftIdx = (playingColor=="w" ? 0 : 1);
+ if (this.vr.reserve) {
+ const shiftIdx = playingColor == "w" ? 0 : 1;
let myReservePiecesArray = [];
- for (let i=0; i<V.RESERVE_PIECES.length; i++)
- {
- myReservePiecesArray.push(h('div',
- {
- 'class': {'board':true, ['board'+sizeY]:true},
- attrs: { id: getSquareId({x:sizeX+shiftIdx,y:i}) }
- },
- [
- h('img',
- {
- 'class': {"piece":true, "reserve":true},
- attrs: {
- "src": "/images/pieces/" +
- this.vr.getReservePpath(playingColor,i) + ".svg",
- }
- }),
- h('sup',
- {"class": { "reserve-count": true } },
- [ this.vr.reserve[playingColor][V.RESERVE_PIECES[i]] ]
+ for (let i = 0; i < V.RESERVE_PIECES.length; i++) {
+ myReservePiecesArray.push(
+ h(
+ "div",
+ {
+ class: { board: true, ["board" + sizeY]: true },
+ attrs: { id: getSquareId({ x: sizeX + shiftIdx, y: i }) }
+ },
+ [
+ h("img", {
+ class: { piece: true, reserve: true },
+ attrs: {
+ src:
+ "/images/pieces/" +
+ this.vr.getReservePpath(i, playingColor) +
+ ".svg"
+ }
+ }),
+ h("sup", { class: { "reserve-count": true } }, [
+ this.vr.reserve[playingColor][V.RESERVE_PIECES[i]]
+ ])
+ ]
)
- ]));
+ );
}
let oppReservePiecesArray = [];
const oppCol = V.GetOppCol(playingColor);
- for (let i=0; i<V.RESERVE_PIECES.length; i++)
- {
- oppReservePiecesArray.push(h('div',
- {
- 'class': {'board':true, ['board'+sizeY]:true},
- attrs: { id: getSquareId({x:sizeX+(1-shiftIdx),y:i}) }
- },
- [
- h('img',
- {
- 'class': {"piece":true, "reserve":true},
- attrs: {
- "src": "/images/pieces/" +
- this.vr.getReservePpath(oppCol,i) + ".svg",
- }
- }),
- h('sup',
- {"class": { "reserve-count": true } },
- [ this.vr.reserve[oppCol][V.RESERVE_PIECES[i]] ]
+ for (let i = 0; i < V.RESERVE_PIECES.length; i++) {
+ oppReservePiecesArray.push(
+ h(
+ "div",
+ {
+ class: { board: true, ["board" + sizeY]: true },
+ attrs: { id: getSquareId({ x: sizeX + (1 - shiftIdx), y: i }) }
+ },
+ [
+ h("img", {
+ class: { piece: true, reserve: true },
+ attrs: {
+ src:
+ "/images/pieces/" +
+ this.vr.getReservePpath(i, oppCol) +
+ ".svg"
+ }
+ }),
+ h("sup", { class: { "reserve-count": true } }, [
+ this.vr.reserve[oppCol][V.RESERVE_PIECES[i]]
+ ])
+ ]
)
- ]));
+ );
}
- let reserves = h('div',
+ let reserves = h(
+ "div",
{
- 'class':{
- 'game': true,
- "reserve-div": true,
- },
+ class: {
+ game: true,
+ "reserve-div": true
+ }
},
[
- h('div',
+ h(
+ "div",
{
- 'class': {
- 'row': true,
- "reserve-row-1": true,
- },
+ class: {
+ row: true,
+ "reserve-row-1": true
+ }
},
myReservePiecesArray
),
- h('div',
- { 'class': { 'row': true }},
- oppReservePiecesArray
- )
+ h("div", { class: { row: true } }, oppReservePiecesArray)
]
);
elementArray.push(reserves);
}
- return h(
- 'div',
- {
- // NOTE: click = mousedown + mouseup
+ const boardElt = document.querySelector(".game");
+ if (this.choices.length > 0 && !!boardElt) {
+ //no choices to show at first drawing
+ const squareWidth = boardElt.offsetWidth / sizeY;
+ const offset = [boardElt.offsetTop, boardElt.offsetLeft];
+ const choices = h(
+ "div",
+ {
+ attrs: { id: "choices" },
+ class: { row: true },
+ style: {
+ top: offset[0] + (sizeY / 2) * squareWidth - squareWidth / 2 + "px",
+ left:
+ offset[1] +
+ (squareWidth * (sizeY - this.choices.length)) / 2 +
+ "px",
+ width: this.choices.length * squareWidth + "px",
+ height: squareWidth + "px"
+ }
+ },
+ this.choices.map(m => {
+ //a "choice" is a move
+ return h(
+ "div",
+ {
+ class: {
+ board: true,
+ ["board" + sizeY]: true
+ },
+ style: {
+ width: 100 / this.choices.length + "%",
+ "padding-bottom": 100 / this.choices.length + "%"
+ }
+ },
+ [
+ h("img", {
+ attrs: {
+ src:
+ "/images/pieces/" +
+ this.vr.getPpath(m.appear[0].c + m.appear[0].p) +
+ ".svg"
+ },
+ class: { "choice-piece": true },
+ on: {
+ click: () => {
+ this.play(m);
+ this.choices = [];
+ }
+ }
+ })
+ ]
+ );
+ })
+ );
+ elementArray.unshift(choices);
+ }
+ let onEvents = {};
+ // NOTE: click = mousedown + mouseup
+ if (this.mobileBrowser) {
+ onEvents = {
on: {
- mousedown: this.mousedown,
- mousemove: this.mousemove,
- mouseup: this.mouseup,
touchstart: this.mousedown,
touchmove: this.mousemove,
- touchend: this.mouseup,
- },
- },
- elementArray
- );
+ touchend: this.mouseup
+ }
+ };
+ } else {
+ onEvents = {
+ on: {
+ mousedown: this.mousedown,
+ mousemove: this.mousemove,
+ mouseup: this.mouseup
+ }
+ };
+ }
+ return h("div", onEvents, elementArray);
},
methods: {
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;
+ // Abort if a piece is already being processed, or target is not a piece.
+ // NOTE: just looking at classList[0] because piece is the first assigned class
+ if (!!this.selectedPiece || e.target.classList[0] != "piece") return;
e.preventDefault(); //disable native drag & drop
- if (!this.selectedPiece && e.target.classList.contains("piece"))
- {
- // Next few lines to center the piece on mouse cursor
- let rect = e.target.parentNode.getBoundingClientRect();
- this.start = {
- x: rect.x + rect.width/2,
- y: rect.y + rect.width/2,
- id: e.target.parentNode.id
- };
- this.selectedPiece = e.target.cloneNode();
- this.selectedPiece.style.position = "absolute";
- this.selectedPiece.style.top = 0;
- this.selectedPiece.style.display = "inline-block";
- this.selectedPiece.style.zIndex = 3000;
- const startSquare = getSquareFromId(e.target.parentNode.id);
- this.possibleMoves = [];
- const color = (this.analyze ? this.vr.turn : this.userColor);
- if (this.vr.canIplay(color,startSquare))
- this.possibleMoves = 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);
- }
+ let parent = e.target.parentNode; //the surrounding square
+ // Next few lines to center the piece on mouse cursor
+ let rect = parent.getBoundingClientRect();
+ this.start = {
+ x: rect.x + rect.width / 2,
+ y: rect.y + rect.width / 2,
+ id: parent.id
+ };
+ this.selectedPiece = e.target.cloneNode();
+ let spStyle = this.selectedPiece.style;
+ spStyle.position = "absolute";
+ spStyle.top = 0;
+ spStyle.display = "inline-block";
+ spStyle.zIndex = 3000;
+ const startSquare = getSquareFromId(parent.id);
+ this.possibleMoves = [];
+ const color = this.analyze ? this.vr.turn : this.userColor;
+ if (this.vr.canIplay(color, startSquare))
+ this.possibleMoves = this.vr.getPossibleMovesFrom(startSquare);
+ // Next line add moving piece just after current image
+ // (required for Crazyhouse reserve)
+ parent.insertBefore(this.selectedPiece, e.target.nextSibling);
},
mousemove: function(e) {
- if (!this.selectedPiece)
- return;
- e = e || window.event;
- // If there is an active element, move it around
- if (!!this.selectedPiece)
- {
- 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";
- }
+ if (!this.selectedPiece) return;
+ // There is an active element: move it around
+ const [offsetX, offsetY] =
+ this.mobileBrowser
+ ? [e.changedTouches[0].pageX, e.changedTouches[0].pageY]
+ : [e.clientX, e.clientY];
+ this.selectedPiece.style.left = offsetX - this.start.x + "px";
+ this.selectedPiece.style.top = offsetY - this.start.y + "px";
},
mouseup: function(e) {
- if (!this.selectedPiece)
- return;
- e = e || window.event;
- // Read drop target (or parentElement, parentNode... if type == "img")
+ if (!this.selectedPiece) return;
+ // There is an active element: obtain the move from start and end squares
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];
+ const [offsetX, offsetY] =
+ this.mobileBrowser
+ ? [e.changedTouches[0].pageX, e.changedTouches[0].pageY]
+ : [e.clientX, e.clientY];
let landing = document.elementFromPoint(offsetX, offsetY);
this.selectedPiece.style.zIndex = 3000;
// Next condition: classList.contains(piece) fails because of marks
- while (landing.tagName == "IMG")
- landing = landing.parentNode;
+ while (landing.tagName == "IMG") landing = landing.parentNode;
if (this.start.id == landing.id)
- {
- // A click: selectedPiece and possibleMoves are already filled
+ // One or multi clicks on same piece
return;
- }
- // OK: process move attempt
+ // OK: process move attempt, landing is a square node
let endSquare = getSquareFromId(landing.id);
let moves = this.findMatchingMoves(endSquare);
this.possibleMoves = [];
- if (moves.length > 1)
- this.choices = moves;
- else if (moves.length==1)
- this.play(moves[0]);
+ if (moves.length > 1) this.choices = moves;
+ else if (moves.length == 1) this.play(moves[0]);
// Else: impossible move
this.selectedPiece.parentNode.removeChild(this.selectedPiece);
delete this.selectedPiece;
// Run through moves list and return the matching set (if promotions...)
let moves = [];
this.possibleMoves.forEach(function(m) {
- if (endSquare[0] == m.end.x && endSquare[1] == m.end.y)
- moves.push(m);
+ if (endSquare[0] == m.end.x && endSquare[1] == m.end.y) moves.push(m);
});
return moves;
},
play: function(move) {
- this.$emit('play-move', move);
- },
- },
+ this.$emit("play-move", move);
+ }
+ }
};
</script>
-<style lang="sass">
+<style lang="sass" scoped>
.game.reserve-div
margin-bottom: 18px
// NOTE: no variants with reserve of size != 8
-div.board
- float: left
- height: 0
- display: inline-block
- position: relative
-
-div.board8
- width: 12.5%
- padding-bottom: 12.5%
-
-div.board10
- width: 10%
- padding-bottom: 10%
-
-div.board11
- width: 9.09%
- padding-bottom: 9.1%
-
.game
- width: #{'min(80vw, 500px)'}
- margin: 0 auto
+ width: 100%
+ margin: 0
.board
cursor: pointer
- @media screen and (max-width: 767px)
- width: 100%
- margin: 0
#choices
- margin: 0 auto 0 auto
- position: relative
+ margin: 0
+ position: absolute
z-index: 300
overflow-y: inherit
background-color: rgba(0,0,0,0)
height: auto
display: block
-img.piece
- width: 100%
-
-img.piece, img.mark-square
- max-width: 100%
- height: auto
- display: block
-
-img.mark-square
- opacity: 0.6
- width: 76%
- position: absolute
- top: 12%
- left: 12%
- opacity: .7
-
img.ghost
position: absolute
opacity: 0.4
top: 0
-.highlight
- background-color: #00cc66 !important
-
-.in-shadow
- filter: brightness(50%)
+.highlight-light
+ background-color: rgba(0, 204, 102, 0.7) !important
+.highlight-dark
+ background-color: rgba(0, 204, 102, 0.9) !important
-.incheck
- background-color: #cc3300 !important
+.incheck-light
+ background-color: rgba(204, 51, 0, 0.7) !important
+.incheck-dark
+ background-color: rgba(204, 51, 0, 0.9) !important
.light-square.lichess
background-color: #f0d9b5;