Commit | Line | Data |
---|---|---|
e5dc87e0 BA |
1 | Vue.component('my-board', { |
2 | // Last move cannot be guessed from here, and is required to highlight squares | |
3 | // gotoMove : juste set FEN depuis FEN stocké dans le coup (TODO) | |
4 | // send event after each move (or undo), to notify what was played | |
5 | // also notify end of game (which returns here later through prop...) | |
6 | props: ["fen","moveToPlay","moveToUndo", | |
7 | "analyze","lastMove","orientation","userColor","gameOver"], | |
8 | data: function () { | |
9 | return { | |
81da2786 BA |
10 | hints: (!localStorage["hints"] ? true : localStorage["hints"] === "1"), |
11 | bcolor: localStorage["bcolor"] || "lichess", //lichess, chesscom or chesstempo | |
12 | possibleMoves: [], //filled after each valid click/dragstart | |
13 | choices: [], //promotion pieces, or checkered captures... (as moves) | |
14 | selectedPiece: null, //moving piece (or clicked piece) | |
15 | incheck: [], | |
16 | start: {}, //pixels coordinates + id of starting square (click or drag) | |
17 | vr: null, //object to check moves, store them, FEN.. | |
e5dc87e0 BA |
18 | }; |
19 | }, | |
20 | watch: { | |
21 | // NOTE: maybe next 3 should be encapsulated in object to be watched (?) | |
22 | fen: function(newFen) { | |
23 | this.vr = new VariantRules(newFen); | |
24 | }, | |
25 | moveToPlay: function(move) { | |
26 | this.play(move, "animate"); | |
27 | }, | |
28 | moveToUndo: function(move) { | |
29 | this.undo(move); | |
30 | }, | |
31 | }, | |
32 | created: function() { | |
33 | this.vr = new VariantRules(this.fen); | |
34 | }, | |
35 | render(h) { | |
36 | const [sizeX,sizeY] = [V.size.x,V.size.y]; | |
81da2786 BA |
37 | // Precompute hints squares to facilitate rendering |
38 | let hintSquares = doubleArray(sizeX, sizeY, false); | |
39 | this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; }); | |
40 | // Also precompute in-check squares | |
41 | let incheckSq = doubleArray(sizeX, sizeY, false); | |
42 | this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; }); | |
e5dc87e0 BA |
43 | const choices = h( |
44 | 'div', | |
45 | { | |
46 | attrs: { "id": "choices" }, | |
47 | 'class': { 'row': true }, | |
48 | style: { | |
49 | "display": this.choices.length>0?"block":"none", | |
50 | "top": "-" + ((sizeY/2)*squareWidth+squareWidth/2) + "px", | |
51 | "width": (this.choices.length * squareWidth) + "px", | |
52 | "height": squareWidth + "px", | |
81da2786 | 53 | }, |
e5dc87e0 BA |
54 | }, |
55 | this.choices.map(m => { //a "choice" is a move | |
56 | return h('div', | |
57 | { | |
58 | 'class': { | |
59 | 'board': true, | |
60 | ['board'+sizeY]: true, | |
61 | }, | |
62 | style: { | |
63 | 'width': (100/this.choices.length) + "%", | |
64 | 'padding-bottom': (100/this.choices.length) + "%", | |
81da2786 | 65 | }, |
81da2786 | 66 | }, |
e5dc87e0 | 67 | [h('img', |
81da2786 | 68 | { |
e5dc87e0 BA |
69 | attrs: { "src": '/images/pieces/' + |
70 | V.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' }, | |
71 | 'class': { 'choice-piece': true }, | |
72 | on: { | |
73 | "click": e => { this.play(m); this.choices=[]; }, | |
74 | // NOTE: add 'touchstart' event to fix a problem on smartphones | |
75 | "touchstart": e => { this.play(m); this.choices=[]; }, | |
81da2786 | 76 | }, |
81da2786 | 77 | }) |
e5dc87e0 BA |
78 | ] |
79 | ); | |
80 | }) | |
81 | ); | |
82 | // Create board element (+ reserves if needed by variant or mode) | |
83 | const lm = this.lastMove; | |
84 | const showLight = this.hints && variant.name != "Dark"; | |
85 | const gameDiv = h( | |
86 | 'div', | |
81da2786 | 87 | { |
e5dc87e0 BA |
88 | 'class': { |
89 | 'game': true, | |
90 | 'clearer': true, | |
91 | }, | |
92 | }, | |
93 | [_.range(sizeX).map(i => { | |
94 | let ci = (this.orientation=='w' ? i : sizeX-i-1); | |
95 | return h( | |
96 | 'div', | |
81da2786 | 97 | { |
e5dc87e0 BA |
98 | 'class': { |
99 | 'row': true, | |
100 | }, | |
101 | style: { 'opacity': this.choices.length>0?"0.5":"1" }, | |
81da2786 | 102 | }, |
e5dc87e0 BA |
103 | _.range(sizeY).map(j => { |
104 | let cj = (this.orientation=='w' ? j : sizeY-j-1); | |
105 | let elems = []; | |
106 | if (this.vr.board[ci][cj] != V.EMPTY && (variant.name!="Dark" | |
107 | || this.gameOver || this.vr.enlightened[this.userColor][ci][cj])) | |
81da2786 | 108 | { |
e5dc87e0 BA |
109 | elems.push( |
110 | h( | |
111 | 'img', | |
112 | { | |
113 | 'class': { | |
114 | 'piece': true, | |
115 | 'ghost': !!this.selectedPiece | |
116 | && this.selectedPiece.parentNode.id == "sq-"+ci+"-"+cj, | |
117 | }, | |
118 | attrs: { | |
119 | src: "/images/pieces/" + | |
120 | V.getPpath(this.vr.board[ci][cj]) + ".svg", | |
121 | }, | |
122 | } | |
123 | ) | |
124 | ); | |
125 | } | |
126 | if (this.hints && hintSquares[ci][cj]) | |
81da2786 | 127 | { |
e5dc87e0 BA |
128 | elems.push( |
129 | h( | |
130 | 'img', | |
131 | { | |
132 | 'class': { | |
133 | 'mark-square': true, | |
134 | }, | |
135 | attrs: { | |
136 | src: "/images/mark.svg", | |
137 | }, | |
138 | } | |
139 | ) | |
140 | ); | |
141 | } | |
142 | return h( | |
143 | 'div', | |
81da2786 BA |
144 | { |
145 | 'class': { | |
e5dc87e0 BA |
146 | 'board': true, |
147 | ['board'+sizeY]: true, | |
148 | 'light-square': (i+j)%2==0, | |
149 | 'dark-square': (i+j)%2==1, | |
150 | [this.bcolor]: true, | |
151 | 'in-shadow': variant.name=="Dark" && !this.gameOver | |
152 | && !this.vr.enlightened[this.userColor][ci][cj], | |
153 | 'highlight': showLight && !!lm && _.isMatch(lm.end, {x:ci,y:cj}), | |
154 | 'incheck': showLight && incheckSq[ci][cj], | |
155 | }, | |
156 | attrs: { | |
157 | id: this.getSquareId({x:ci,y:cj}), | |
81da2786 BA |
158 | }, |
159 | }, | |
e5dc87e0 BA |
160 | elems |
161 | ); | |
162 | }) | |
81da2786 | 163 | ); |
e5dc87e0 BA |
164 | }), choices] |
165 | ); | |
166 | let elementArray = [choices, gameDiv]; | |
167 | if (!!this.vr.reserve) | |
168 | { | |
169 | const shiftIdx = (this.userColor=="w" ? 0 : 1); | |
170 | let myReservePiecesArray = []; | |
171 | for (let i=0; i<V.RESERVE_PIECES.length; i++) | |
172 | { | |
173 | myReservePiecesArray.push(h('div', | |
174 | { | |
175 | 'class': {'board':true, ['board'+sizeY]:true}, | |
176 | attrs: { id: this.getSquareId({x:sizeX+shiftIdx,y:i}) } | |
177 | }, | |
178 | [ | |
179 | h('img', | |
180 | { | |
181 | 'class': {"piece":true, "reserve":true}, | |
182 | attrs: { | |
183 | "src": "/images/pieces/" + | |
184 | this.vr.getReservePpath(this.userColor,i) + ".svg", | |
185 | } | |
186 | }), | |
187 | h('sup', | |
188 | {"class": { "reserve-count": true } }, | |
189 | [ this.vr.reserve[this.userColor][V.RESERVE_PIECES[i]] ] | |
190 | ) | |
191 | ])); | |
192 | } | |
193 | let oppReservePiecesArray = []; | |
194 | const oppCol = this.vr.getOppCol(this.userColor); | |
195 | for (let i=0; i<V.RESERVE_PIECES.length; i++) | |
196 | { | |
197 | oppReservePiecesArray.push(h('div', | |
198 | { | |
199 | 'class': {'board':true, ['board'+sizeY]:true}, | |
200 | attrs: { id: this.getSquareId({x:sizeX+(1-shiftIdx),y:i}) } | |
201 | }, | |
202 | [ | |
203 | h('img', | |
204 | { | |
205 | 'class': {"piece":true, "reserve":true}, | |
206 | attrs: { | |
207 | "src": "/images/pieces/" + | |
208 | this.vr.getReservePpath(oppCol,i) + ".svg", | |
209 | } | |
210 | }), | |
211 | h('sup', | |
212 | {"class": { "reserve-count": true } }, | |
213 | [ this.vr.reserve[oppCol][V.RESERVE_PIECES[i]] ] | |
214 | ) | |
215 | ])); | |
81da2786 | 216 | } |
e5dc87e0 BA |
217 | let reserves = h('div', |
218 | { | |
219 | 'class':{ | |
220 | 'game': true, | |
221 | "reserve-div": true, | |
222 | }, | |
223 | }, | |
224 | [ | |
81da2786 BA |
225 | h('div', |
226 | { | |
e5dc87e0 BA |
227 | 'class': { |
228 | 'row': true, | |
229 | "reserve-row-1": true, | |
230 | }, | |
81da2786 | 231 | }, |
e5dc87e0 BA |
232 | myReservePiecesArray |
233 | ), | |
234 | h('div', | |
235 | { 'class': { 'row': true }}, | |
236 | oppReservePiecesArray | |
81da2786 | 237 | ) |
e5dc87e0 BA |
238 | ] |
239 | ); | |
240 | elementArray.push(reserves); | |
241 | } | |
242 | return h( | |
243 | 'div', | |
244 | { | |
245 | 'class': { | |
246 | "col-sm-12":true, | |
247 | "col-md-10":true, | |
248 | "col-md-offset-1":true, | |
249 | "col-lg-8":true, | |
250 | "col-lg-offset-2":true, | |
251 | }, | |
252 | // NOTE: click = mousedown + mouseup | |
81da2786 BA |
253 | on: { |
254 | mousedown: this.mousedown, | |
255 | mousemove: this.mousemove, | |
256 | mouseup: this.mouseup, | |
257 | touchstart: this.mousedown, | |
258 | touchmove: this.mousemove, | |
259 | touchend: this.mouseup, | |
260 | }, | |
e5dc87e0 BA |
261 | }, |
262 | elementArray | |
263 | ); | |
264 | }, | |
265 | methods: { | |
266 | // Get the identifier of a HTML square from its numeric coordinates o.x,o.y. | |
81da2786 BA |
267 | getSquareId: function(o) { |
268 | // NOTE: a separator is required to allow any size of board | |
269 | return "sq-" + o.x + "-" + o.y; | |
270 | }, | |
271 | // Inverse function | |
272 | getSquareFromId: function(id) { | |
273 | let idParts = id.split('-'); | |
274 | return [parseInt(idParts[1]), parseInt(idParts[2])]; | |
275 | }, | |
276 | mousedown: function(e) { | |
277 | e = e || window.event; | |
278 | let ingame = false; | |
279 | let elem = e.target; | |
280 | while (!ingame && elem !== null) | |
281 | { | |
282 | if (elem.classList.contains("game")) | |
283 | { | |
284 | ingame = true; | |
285 | break; | |
286 | } | |
287 | elem = elem.parentElement; | |
288 | } | |
289 | if (!ingame) //let default behavior (click on button...) | |
290 | return; | |
291 | e.preventDefault(); //disable native drag & drop | |
292 | if (!this.selectedPiece && e.target.classList.contains("piece")) | |
293 | { | |
294 | // Next few lines to center the piece on mouse cursor | |
295 | let rect = e.target.parentNode.getBoundingClientRect(); | |
296 | this.start = { | |
297 | x: rect.x + rect.width/2, | |
298 | y: rect.y + rect.width/2, | |
299 | id: e.target.parentNode.id | |
300 | }; | |
301 | this.selectedPiece = e.target.cloneNode(); | |
302 | this.selectedPiece.style.position = "absolute"; | |
303 | this.selectedPiece.style.top = 0; | |
304 | this.selectedPiece.style.display = "inline-block"; | |
305 | this.selectedPiece.style.zIndex = 3000; | |
306 | const startSquare = this.getSquareFromId(e.target.parentNode.id); | |
307 | this.possibleMoves = []; | |
e5dc87e0 BA |
308 | const color = this.analyze || this.gameOver |
309 | ? this.vr.turn | |
310 | : this.userColor; | |
311 | if (this.vr.canIplay(color,startSquare)) | |
312 | this.possibleMoves = this.vr.getPossibleMovesFrom(startSquare); | |
81da2786 BA |
313 | // Next line add moving piece just after current image |
314 | // (required for Crazyhouse reserve) | |
315 | e.target.parentNode.insertBefore(this.selectedPiece, e.target.nextSibling); | |
316 | } | |
317 | }, | |
318 | mousemove: function(e) { | |
319 | if (!this.selectedPiece) | |
320 | return; | |
321 | e = e || window.event; | |
322 | // If there is an active element, move it around | |
323 | if (!!this.selectedPiece) | |
324 | { | |
325 | const [offsetX,offsetY] = !!e.clientX | |
326 | ? [e.clientX,e.clientY] //desktop browser | |
327 | : [e.changedTouches[0].pageX, e.changedTouches[0].pageY]; //smartphone | |
328 | this.selectedPiece.style.left = (offsetX-this.start.x) + "px"; | |
329 | this.selectedPiece.style.top = (offsetY-this.start.y) + "px"; | |
330 | } | |
331 | }, | |
332 | mouseup: function(e) { | |
333 | if (!this.selectedPiece) | |
334 | return; | |
335 | e = e || window.event; | |
336 | // Read drop target (or parentElement, parentNode... if type == "img") | |
337 | this.selectedPiece.style.zIndex = -3000; //HACK to find square from final coords | |
338 | const [offsetX,offsetY] = !!e.clientX | |
339 | ? [e.clientX,e.clientY] | |
340 | : [e.changedTouches[0].pageX, e.changedTouches[0].pageY]; | |
341 | let landing = document.elementFromPoint(offsetX, offsetY); | |
342 | this.selectedPiece.style.zIndex = 3000; | |
343 | // Next condition: classList.contains(piece) fails because of marks | |
344 | while (landing.tagName == "IMG") | |
345 | landing = landing.parentNode; | |
346 | if (this.start.id == landing.id) | |
347 | { | |
348 | // A click: selectedPiece and possibleMoves are already filled | |
349 | return; | |
350 | } | |
351 | // OK: process move attempt | |
352 | let endSquare = this.getSquareFromId(landing.id); | |
353 | let moves = this.findMatchingMoves(endSquare); | |
354 | this.possibleMoves = []; | |
355 | if (moves.length > 1) | |
356 | this.choices = moves; | |
357 | else if (moves.length==1) | |
358 | this.play(moves[0]); | |
359 | // Else: impossible move | |
360 | this.selectedPiece.parentNode.removeChild(this.selectedPiece); | |
361 | delete this.selectedPiece; | |
362 | this.selectedPiece = null; | |
363 | }, | |
364 | findMatchingMoves: function(endSquare) { | |
365 | // Run through moves list and return the matching set (if promotions...) | |
366 | let moves = []; | |
367 | this.possibleMoves.forEach(function(m) { | |
368 | if (endSquare[0] == m.end.x && endSquare[1] == m.end.y) | |
369 | moves.push(m); | |
370 | }); | |
371 | return moves; | |
372 | }, | |
373 | animateMove: function(move) { | |
374 | let startSquare = document.getElementById(this.getSquareId(move.start)); | |
375 | let endSquare = document.getElementById(this.getSquareId(move.end)); | |
376 | let rectStart = startSquare.getBoundingClientRect(); | |
377 | let rectEnd = endSquare.getBoundingClientRect(); | |
378 | let translation = {x:rectEnd.x-rectStart.x, y:rectEnd.y-rectStart.y}; | |
379 | let movingPiece = | |
380 | document.querySelector("#" + this.getSquareId(move.start) + " > img.piece"); | |
381 | // HACK for animation (with positive translate, image slides "under background") | |
382 | // Possible improvement: just alter squares on the piece's way... | |
383 | squares = document.getElementsByClassName("board"); | |
384 | for (let i=0; i<squares.length; i++) | |
385 | { | |
386 | let square = squares.item(i); | |
387 | if (square.id != this.getSquareId(move.start)) | |
388 | square.style.zIndex = "-1"; | |
389 | } | |
390 | movingPiece.style.transform = "translate(" + translation.x + "px," + | |
391 | translation.y + "px)"; | |
392 | movingPiece.style.transitionDuration = "0.2s"; | |
393 | movingPiece.style.zIndex = "3000"; | |
394 | setTimeout( () => { | |
395 | for (let i=0; i<squares.length; i++) | |
396 | squares.item(i).style.zIndex = "auto"; | |
397 | movingPiece.style = {}; //required e.g. for 0-0 with KR swap | |
398 | this.play(move); | |
399 | }, 250); | |
400 | }, | |
e5dc87e0 BA |
401 | play: function(move, programmatic) { |
402 | if (!!programmatic) //computer or human opponent | |
403 | return this.animateMove(move); | |
404 | // Not programmatic, or animation is over | |
405 | this.vr.play(move); | |
406 | if (this.sound == 2) | |
407 | new Audio("/sounds/move.mp3").play().catch(err => {}); | |
408 | // Is opponent in check? | |
409 | this.incheck = this.vr.getCheckSquares(this.vr.turn); | |
410 | const eog = this.vr.getCurrentScore(); | |
411 | if (eog != "*") | |
412 | { | |
413 | // TODO: notify end of game (give score) | |
414 | } | |
415 | }, | |
416 | undo: function(move) { | |
417 | this.vr.undo(move); | |
418 | if (this.sound == 2) | |
419 | new Audio("/sounds/undo.mp3").play().catch(err => {}); | |
420 | this.incheck = this.vr.getCheckSquares(this.vr.turn); | |
421 | }, | |
422 | }, | |
423 | }) |