Commit | Line | Data |
---|---|---|
24340cae | 1 | <script> |
cf2343ce BA |
2 | // This can work for squared boards (2 or 4 players), with some adaptations (TODO) |
3 | // TODO: for 3 players, write a "board3.js" | |
4 | export default { | |
5 | name: 'my-board', | |
6 | // Last move cannot be guessed from here, and is required to highlight squares | |
7 | // vr: object to check moves, print board... | |
8 | // mode: HH, HC or analyze | |
9 | // userColor: for mode HH or HC | |
10 | props: ["vr","lastMove","mode","orientation","userColor"], | |
11 | data: function () { | |
12 | return { | |
13 | hints: (!localStorage["hints"] ? true : localStorage["hints"] === "1"), | |
14 | bcolor: localStorage["bcolor"] || "lichess", //lichess, chesscom or chesstempo | |
15 | possibleMoves: [], //filled after each valid click/dragstart | |
16 | choices: [], //promotion pieces, or checkered captures... (as moves) | |
17 | selectedPiece: null, //moving piece (or clicked piece) | |
18 | incheck: [], | |
19 | start: {}, //pixels coordinates + id of starting square (click or drag) | |
20 | }; | |
21 | }, | |
22 | render(h) { | |
23 | if (!this.vr) | |
24 | return; | |
25 | const [sizeX,sizeY] = [V.size.x,V.size.y]; | |
26 | // Precompute hints squares to facilitate rendering | |
27 | let hintSquares = doubleArray(sizeX, sizeY, false); | |
28 | this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; }); | |
29 | // Also precompute in-check squares | |
30 | let incheckSq = doubleArray(sizeX, sizeY, false); | |
31 | this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; }); | |
32 | const squareWidth = 40; //TODO: compute this | |
33 | const choices = h( | |
34 | 'div', | |
35 | { | |
36 | attrs: { "id": "choices" }, | |
37 | 'class': { 'row': true }, | |
38 | style: { | |
39 | "display": this.choices.length>0?"block":"none", | |
40 | "top": "-" + ((sizeY/2)*squareWidth+squareWidth/2) + "px", | |
41 | "width": (this.choices.length * squareWidth) + "px", | |
42 | "height": squareWidth + "px", | |
43 | }, | |
44 | }, | |
45 | this.choices.map(m => { //a "choice" is a move | |
46 | return h('div', | |
47 | { | |
48 | 'class': { | |
49 | 'board': true, | |
50 | ['board'+sizeY]: true, | |
51 | }, | |
52 | style: { | |
53 | 'width': (100/this.choices.length) + "%", | |
54 | 'padding-bottom': (100/this.choices.length) + "%", | |
55 | }, | |
56 | }, | |
57 | [h('img', | |
58 | { | |
59 | attrs: { "src": '/images/pieces/' + | |
60 | V.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' }, | |
61 | 'class': { 'choice-piece': true }, | |
62 | on: { | |
63 | "click": e => { this.play(m); this.choices=[]; }, | |
64 | // NOTE: add 'touchstart' event to fix a problem on smartphones | |
65 | "touchstart": e => { this.play(m); this.choices=[]; }, | |
66 | }, | |
67 | }) | |
68 | ] | |
69 | ); | |
70 | }) | |
71 | ); | |
72 | // Create board element (+ reserves if needed by variant or mode) | |
73 | const lm = this.lastMove; | |
74 | const showLight = this.hints && variant.name != "Dark"; | |
75 | const gameDiv = h( | |
76 | 'div', | |
77 | { | |
78 | 'class': { | |
79 | 'game': true, | |
80 | 'clearer': true, | |
81 | }, | |
82 | }, | |
83 | [...Array(sizeX).keys()].map(i => { | |
84 | let ci = (this.orientation=='w' ? i : sizeX-i-1); | |
85 | return h( | |
86 | 'div', | |
87 | { | |
88 | 'class': { | |
89 | 'row': true, | |
90 | }, | |
91 | style: { 'opacity': this.choices.length>0?"0.5":"1" }, | |
92 | }, | |
93 | [...Array(sizeY).keys()].map(j => { | |
94 | let cj = (this.orientation=='w' ? j : sizeY-j-1); | |
95 | let elems = []; | |
96 | if (this.vr.board[ci][cj] != V.EMPTY && (variant.name!="Dark" | |
97 | || this.gameOver || this.mode == "analyze" | |
98 | || this.vr.enlightened[this.userColor][ci][cj])) | |
99 | { | |
100 | elems.push( | |
101 | h( | |
102 | 'img', | |
103 | { | |
104 | 'class': { | |
105 | 'piece': true, | |
106 | 'ghost': !!this.selectedPiece | |
107 | && this.selectedPiece.parentNode.id == "sq-"+ci+"-"+cj, | |
108 | }, | |
109 | attrs: { | |
110 | src: "/images/pieces/" + | |
111 | V.getPpath(this.vr.board[ci][cj]) + ".svg", | |
112 | }, | |
113 | } | |
114 | ) | |
115 | ); | |
116 | } | |
117 | if (this.hints && hintSquares[ci][cj]) | |
118 | { | |
119 | elems.push( | |
120 | h( | |
121 | 'img', | |
122 | { | |
123 | 'class': { | |
124 | 'mark-square': true, | |
125 | }, | |
126 | attrs: { | |
127 | src: "/images/mark.svg", | |
128 | }, | |
129 | } | |
130 | ) | |
131 | ); | |
132 | } | |
133 | return h( | |
134 | 'div', | |
135 | { | |
136 | 'class': { | |
137 | 'board': true, | |
138 | ['board'+sizeY]: true, | |
139 | 'light-square': (i+j)%2==0, | |
140 | 'dark-square': (i+j)%2==1, | |
141 | [this.bcolor]: true, | |
142 | 'in-shadow': variant.name=="Dark" && !this.gameOver | |
143 | && this.mode != "analyze" | |
144 | && !this.vr.enlightened[this.userColor][ci][cj], | |
145 | 'highlight': showLight && !!lm && lm.end.x == ci && lm.end.y == cj, | |
146 | 'incheck': showLight && incheckSq[ci][cj], | |
147 | }, | |
148 | attrs: { | |
149 | id: getSquareId({x:ci,y:cj}), | |
150 | }, | |
151 | }, | |
152 | elems | |
153 | ); | |
154 | }) | |
155 | ); | |
24340cae | 156 | }) |
cf2343ce BA |
157 | ); |
158 | let elementArray = [choices, gameDiv]; | |
159 | if (!!this.vr.reserve) | |
160 | { | |
161 | const shiftIdx = (this.userColor=="w" ? 0 : 1); | |
162 | let myReservePiecesArray = []; | |
163 | for (let i=0; i<V.RESERVE_PIECES.length; i++) | |
164 | { | |
165 | myReservePiecesArray.push(h('div', | |
166 | { | |
167 | 'class': {'board':true, ['board'+sizeY]:true}, | |
168 | attrs: { id: getSquareId({x:sizeX+shiftIdx,y:i}) } | |
169 | }, | |
170 | [ | |
171 | h('img', | |
172 | { | |
173 | 'class': {"piece":true, "reserve":true}, | |
174 | attrs: { | |
175 | "src": "/images/pieces/" + | |
176 | this.vr.getReservePpath(this.userColor,i) + ".svg", | |
177 | } | |
178 | }), | |
179 | h('sup', | |
180 | {"class": { "reserve-count": true } }, | |
181 | [ this.vr.reserve[this.userColor][V.RESERVE_PIECES[i]] ] | |
182 | ) | |
183 | ])); | |
184 | } | |
185 | let oppReservePiecesArray = []; | |
186 | const oppCol = V.GetOppCol(this.userColor); | |
187 | for (let i=0; i<V.RESERVE_PIECES.length; i++) | |
188 | { | |
189 | oppReservePiecesArray.push(h('div', | |
190 | { | |
191 | 'class': {'board':true, ['board'+sizeY]:true}, | |
192 | attrs: { id: getSquareId({x:sizeX+(1-shiftIdx),y:i}) } | |
193 | }, | |
194 | [ | |
195 | h('img', | |
196 | { | |
197 | 'class': {"piece":true, "reserve":true}, | |
198 | attrs: { | |
199 | "src": "/images/pieces/" + | |
200 | this.vr.getReservePpath(oppCol,i) + ".svg", | |
201 | } | |
202 | }), | |
203 | h('sup', | |
204 | {"class": { "reserve-count": true } }, | |
205 | [ this.vr.reserve[oppCol][V.RESERVE_PIECES[i]] ] | |
206 | ) | |
207 | ])); | |
208 | } | |
209 | let reserves = h('div', | |
210 | { | |
211 | 'class':{ | |
212 | 'game': true, | |
213 | "reserve-div": true, | |
214 | }, | |
215 | }, | |
216 | [ | |
217 | h('div', | |
218 | { | |
219 | 'class': { | |
220 | 'row': true, | |
221 | "reserve-row-1": true, | |
222 | }, | |
223 | }, | |
224 | myReservePiecesArray | |
225 | ), | |
226 | h('div', | |
227 | { 'class': { 'row': true }}, | |
228 | oppReservePiecesArray | |
229 | ) | |
230 | ] | |
231 | ); | |
232 | elementArray.push(reserves); | |
233 | } | |
234 | return h( | |
235 | 'div', | |
236 | { | |
237 | 'class': { | |
238 | "col-sm-12":true, | |
239 | "col-md-10":true, | |
240 | "col-md-offset-1":true, | |
241 | "col-lg-8":true, | |
242 | "col-lg-offset-2":true, | |
243 | }, | |
244 | // NOTE: click = mousedown + mouseup | |
245 | on: { | |
246 | mousedown: this.mousedown, | |
247 | mousemove: this.mousemove, | |
248 | mouseup: this.mouseup, | |
249 | touchstart: this.mousedown, | |
250 | touchmove: this.mousemove, | |
251 | touchend: this.mouseup, | |
252 | }, | |
253 | }, | |
254 | elementArray | |
255 | ); | |
256 | }, | |
257 | methods: { | |
258 | mousedown: function(e) { | |
259 | e = e || window.event; | |
260 | let ingame = false; | |
261 | let elem = e.target; | |
262 | while (!ingame && elem !== null) | |
263 | { | |
264 | if (elem.classList.contains("game")) | |
265 | { | |
266 | ingame = true; | |
267 | break; | |
268 | } | |
269 | elem = elem.parentElement; | |
270 | } | |
271 | if (!ingame) //let default behavior (click on button...) | |
272 | return; | |
273 | e.preventDefault(); //disable native drag & drop | |
274 | if (!this.selectedPiece && e.target.classList.contains("piece")) | |
275 | { | |
276 | // Next few lines to center the piece on mouse cursor | |
277 | let rect = e.target.parentNode.getBoundingClientRect(); | |
278 | this.start = { | |
279 | x: rect.x + rect.width/2, | |
280 | y: rect.y + rect.width/2, | |
281 | id: e.target.parentNode.id | |
282 | }; | |
283 | this.selectedPiece = e.target.cloneNode(); | |
284 | this.selectedPiece.style.position = "absolute"; | |
285 | this.selectedPiece.style.top = 0; | |
286 | this.selectedPiece.style.display = "inline-block"; | |
287 | this.selectedPiece.style.zIndex = 3000; | |
288 | const startSquare = getSquareFromId(e.target.parentNode.id); | |
289 | this.possibleMoves = []; | |
290 | const color = this.mode=="analyze" || this.gameOver | |
291 | ? this.vr.turn | |
292 | : this.userColor; | |
293 | if (this.vr.canIplay(color,startSquare)) | |
294 | this.possibleMoves = this.vr.getPossibleMovesFrom(startSquare); | |
295 | // Next line add moving piece just after current image | |
296 | // (required for Crazyhouse reserve) | |
297 | e.target.parentNode.insertBefore(this.selectedPiece, e.target.nextSibling); | |
298 | } | |
299 | }, | |
300 | mousemove: function(e) { | |
301 | if (!this.selectedPiece) | |
302 | return; | |
303 | e = e || window.event; | |
304 | // If there is an active element, move it around | |
305 | if (!!this.selectedPiece) | |
306 | { | |
307 | const [offsetX,offsetY] = !!e.clientX | |
308 | ? [e.clientX,e.clientY] //desktop browser | |
309 | : [e.changedTouches[0].pageX, e.changedTouches[0].pageY]; //smartphone | |
310 | this.selectedPiece.style.left = (offsetX-this.start.x) + "px"; | |
311 | this.selectedPiece.style.top = (offsetY-this.start.y) + "px"; | |
312 | } | |
313 | }, | |
314 | mouseup: function(e) { | |
315 | if (!this.selectedPiece) | |
316 | return; | |
317 | e = e || window.event; | |
318 | // Read drop target (or parentElement, parentNode... if type == "img") | |
319 | this.selectedPiece.style.zIndex = -3000; //HACK to find square from final coords | |
320 | const [offsetX,offsetY] = !!e.clientX | |
321 | ? [e.clientX,e.clientY] | |
322 | : [e.changedTouches[0].pageX, e.changedTouches[0].pageY]; | |
323 | let landing = document.elementFromPoint(offsetX, offsetY); | |
324 | this.selectedPiece.style.zIndex = 3000; | |
325 | // Next condition: classList.contains(piece) fails because of marks | |
326 | while (landing.tagName == "IMG") | |
327 | landing = landing.parentNode; | |
328 | if (this.start.id == landing.id) | |
329 | { | |
330 | // A click: selectedPiece and possibleMoves are already filled | |
331 | return; | |
332 | } | |
333 | // OK: process move attempt | |
334 | let endSquare = getSquareFromId(landing.id); | |
335 | let moves = this.findMatchingMoves(endSquare); | |
336 | this.possibleMoves = []; | |
337 | if (moves.length > 1) | |
338 | this.choices = moves; | |
339 | else if (moves.length==1) | |
340 | this.play(moves[0]); | |
341 | // Else: impossible move | |
342 | this.selectedPiece.parentNode.removeChild(this.selectedPiece); | |
343 | delete this.selectedPiece; | |
344 | this.selectedPiece = null; | |
345 | }, | |
346 | findMatchingMoves: function(endSquare) { | |
347 | // Run through moves list and return the matching set (if promotions...) | |
348 | let moves = []; | |
349 | this.possibleMoves.forEach(function(m) { | |
350 | if (endSquare[0] == m.end.x && endSquare[1] == m.end.y) | |
351 | moves.push(m); | |
352 | }); | |
353 | return moves; | |
354 | }, | |
355 | play: function(move) { | |
356 | this.$emit('play-move', move); | |
357 | }, | |
358 | }, | |
359 | }; | |
360 | </script> |