import ChessRules from "/base_rules.js";
import {ArrayFun} from "/utils/array.js";
-export class ApocalypseRules extends ChessRules {
+export default class ApocalypseRules extends ChessRules {
static get Options() {
return {};
}
+ get hasFlags() {
+ return false;
+ }
+ get hasEnpassant() {
+ return false;
+ }
+ get hideMoves() {
+ return true;
+ }
+
get pawnPromotions() {
return ['n', 'p'];
}
setOtherVariables(fenParsed) {
super.setOtherVariables(fenParsed);
+ // Often a simple move, but sometimes an array (pawn relocation)
this.whiteMove = fenParsed.whiteMove != "-"
? JSON.parse(fenParsed.whiteMove)
- : null;
+ : [];
+ this.firstMove = null; //used if black turn pawn relocation
+ this.penalties = ArrayFun.toObject(
+ ['w', 'b'],
+ [0, 1].map(i => parseInt(fenParsed.penalties.charAt(i), 10))
+ );
}
genRandInitBaseFen() {
return {
fen: "npppn/p3p/5/P3P/NPPPN w 0",
- o: {"flags":"00"}
+ o: {}
};
}
getPartFen(o) {
- let parts = super.getPartFen(o);
- parts["whiteMove"] = this.whiteMove || "-";
- return parts;
- }
-
- getFlagsFen() {
- return Object.values(this.penaltyFlags).join("");
- }
-
- setFlags(fenflags) {
- this.penaltyFlags = ArrayFun.toObject(
- ['w', 'b'], [0, 1].map(i => parseInt(fenflags.charAt(i), 10)));
+ return {
+ whiteMove: (o.init || !this.whiteMove) ? "-" : this.whiteMove,
+ penalties: o.init ? "00" : Object.values(this.penalties).join("")
+ };
}
getWhitemoveFen() {
- return !this.whiteMove ? "-" : JSON.stringify(this.whiteMove);
+ if (this.whiteMove.length == 0)
+ return "-";
+ if (this.whiteMove.length == 1)
+ return JSON.stringify(this.whiteMove[0]);
+ return JSON.stringify(this.whiteMove); //pawn relocation
}
// Allow pawns to move diagonally and capture vertically,
getPotentialMovesFrom([x, y]) {
let moves = [];
if (this.subTurn == 2) {
- const start = this.moveStack[0].end;
+ const start = this.firstMove.end;
if (x == start.x && y == start.y) {
// Move the pawn to any empty square not on last rank (== x)
for (let i=0; i<this.size.x; i++) {
}
}
else {
- moves = super.getPotentialMovesFrom([x, y])
+ const oppCol = C.GetOppCol(this.getColor(x, y));
+ moves = super.getPotentialMovesFrom([x, y]).filter(m => {
+ // Remove pawn push toward own color (absurd)
+ return (
+ m.vanish[0].p != 'p' ||
+ m.end.y != m.start.y ||
+ m.vanish.length == 1 ||
+ m.vanish[1].c == oppCol
+ );
+ });
// Flag a priori illegal moves
moves.forEach(m => {
if (
return moves;
}
+ pawnPostProcess(moves, color, oppCol) {
+ let knightCount = 0;
+ for (let i=0; i<this.size.x; i++) {
+ for (let j=0; j<this.size.y; j++) {
+ if (
+ this.board[i][j] != "" &&
+ this.getColor(i, j) == color &&
+ this.getPiece(i, j) == 'n'
+ ) {
+ knightCount++;
+ }
+ }
+ }
+ return super.pawnPostProcess(moves, color, oppCol).filter(m => {
+ if (
+ m.vanish[0].p == 'p' &&
+ (
+ (color == 'w' && m.end.x == 0) ||
+ (color == 'b' && m.end.x == this.size.x - 1)
+ )
+ ) {
+ // Pawn promotion
+ if (knightCount <= 1 && m.appear[0].p == 'p')
+ return false; //knight promotion mandatory
+ if (knightCount == 2 && m.appear[0].p == 'n')
+ m.illegal = true; //will be legal only if one knight is captured
+ }
+ return true;
+ });
+ }
+
filterValid(moves) {
// No checks:
return moves;
}
-
-//TODO: from here
-
// White and black (partial) moves were played: merge
- // + animate both at the same time !
resolveSynchroneMove(move) {
- // TODO
+ const condensate = (mArr) => {
+ const illegal = (mArr.length == 1 && mArr[0].illegal) ||
+ (!mArr[0] && mArr[1].illegal);
+ if (mArr.length == 1)
+ return Object.assign({illegal: illegal}, mArr[0]);
+ if (!mArr[0])
+ return Object.assign({illegal: illegal}, mArr[1]);
+ // Pawn relocation
+ return {
+ start: mArr[0].start,
+ end: mArr[1].end,
+ vanish: mArr[0].vanish,
+ appear: mArr[1].appear,
+ segments: [
+ [[mArr[0].start.x, mArr[0].start.y], [mArr[0].end.x, mArr[0].end.y]],
+ [[mArr[1].start.x, mArr[1].start.y], [mArr[1].end.x, mArr[1].end.y]]
+ ]
+ };
+ };
+ const compatible = (m1, m2) => {
+ if (m2.illegal)
+ return false;
+ // Knight promotion?
+ if (m1.appear[0].p != m1.vanish[0].p)
+ return m2.vanish.length == 2 && m2.vanish[1].p == 'n';
+ if (
+ // Self-capture attempt?
+ (m1.vanish.length == 2 && m1.vanish[1].c == m1.vanish[0].c) ||
+ // Pawn captures something by anticipation?
+ (
+ m1.vanish[0].p == 'p' &&
+ m1.vanish.length == 1 &&
+ m1.start.y != m1.end.y
+ )
+ ) {
+ return m2.end.x == m1.end.x && m2.end.y == m1.end.y;
+ }
+ // Pawn push toward an enemy piece?
+ if (
+ m1.vanish[0].p == 'p' &&
+ m1.vanish.length == 2 &&
+ m1.start.y == m1.end.y
+ ) {
+ return m2.start.x == m1.end.x && m2.start.y == m1.end.y;
+ }
+ return true;
+ };
+ const adjust = (res) => {
+ if (!res.wm || !res.bm)
+ return;
+ for (let c of ['w', 'b']) {
+ const myMove = res[c + 'm'], oppMove = res[C.GetOppCol(c) + 'm'];
+ if (
+ myMove.end.x == oppMove.start.x &&
+ myMove.end.y == oppMove.start.y
+ ) {
+ // Whatever was supposed to vanish, finally doesn't vanish
+ myMove.vanish.pop();
+ }
+ }
+ if (res.wm.end.y == res.bm.end.y && res.wm.end.x == res.bm.end.x) {
+ // Collision (necessarily on empty square)
+ if (!res.wm.illegal && !res.bm.illegal) {
+ if (res.wm.vanish[0].p != res.bm.vanish[0].p) {
+ const c = (res.wm.vanish[0].p == 'n' ? 'w' : 'b');
+ res[c + 'm'].vanish.push(res[C.GetOppCol(c) + 'm'].appear.shift());
+ }
+ else {
+ // Collision of two pieces of same nature: both disappear
+ res.wm.appear.shift();
+ res.bm.appear.shift();
+ }
+ }
+ else {
+ const c = (!res.wm.illegal ? 'w' : 'b');
+ // Illegal move wins:
+ res[c + 'm'].appear.shift();
+ }
+ }
+ };
+ // Clone moves to avoid altering them:
+ let whiteMove = JSON.parse(JSON.stringify(this.whiteMove)),
+ blackMove = JSON.parse(JSON.stringify([this.firstMove, move]));
+ [whiteMove, blackMove] = [condensate(whiteMove), condensate(blackMove)];
+ let res = {
+ wm: (
+ (!whiteMove.illegal || compatible(whiteMove, blackMove))
+ ? whiteMove
+ : null
+ ),
+ bm: (
+ (!blackMove.illegal || compatible(blackMove, whiteMove))
+ ? blackMove
+ : null
+ )
+ };
+ adjust(res);
+ return res;
}
play(move) {
- if (this.subTurn...) //TODO: detect (mark?) if pawn move arriving on last rank (=> subTurn++)
- this.turn = V.GetOppCol(this.turn);
- this.movesCount++;
- this.postPlay(move);
- }
-
- postPlay(move) {
- if (pawn promotion into pawn) {
- this.curMove move; //TODO: animate both move at same time + effects AFTER !
- this.subTurn = 2
+ const color = this.turn;
+ if (color == 'w')
+ this.whiteMove.push(move);
+ if (
+ move.vanish[0].p == 'p' && move.appear[0].p == 'p' &&
+ (
+ (color == 'w' && move.end.x == 0) ||
+ (color == 'b' && move.end.x == this.size.x - 1)
+ )
+ ) {
+ // Pawn on last rank : will relocate
+ this.subTurn = 2;
+ this.firstMove = move;
+ if (color == this.playerColor) {
+ this.playOnBoard(move);
+ this.playVisual(move);
+ }
+ return;
}
- else if (this.turn == 'b')
- // NOTE: whiteMove is used read-only, so no need to copy
- this.whiteMove = move;
+ if (color == this.playerColor && this.firstMove) {
+ // The move was played on board: undo it
+ this.undoOnBoard(this.firstMove);
+ const revFirstMove = {
+ start: this.firstMove.end,
+ end: this.firstMove.start,
+ appear: this.firstMove.vanish,
+ vanish: this.firstMove.appear
+ };
+ this.playVisual(revFirstMove);
}
- else {
- // A full turn just ended:
- const [wMove, bMove] = this.resolveSynchroneMove(move);
- V.PlayOnBoard(this.board, smove); //----> ici : animate both !
- this.whiteMove = null;
+ this.turn = C.GetOppCol(color);
+ this.movesCount++;
+ this.subTurn = 1;
+ this.firstMove = null;
+ if (color == 'b') {
+ // A full turn just ended
+ const res = this.resolveSynchroneMove(move);
+ const callback = () => {
+ // start + end don't matter for playOnBoard() and playVisual().
+ // Merging is necessary because moves may overlap.
+ let toPlay = {appear: [], vanish: []};
+ for (let c of ['w', 'b']) {
+ if (res[c + 'm']) {
+ Array.prototype.push.apply(toPlay.vanish, res[c + 'm'].vanish);
+ Array.prototype.push.apply(toPlay.appear, res[c + 'm'].appear);
+ }
+ }
+ this.playOnBoard(toPlay);
+ this.playVisual(toPlay);
+ };
+ if (res.wm)
+ this.animate(res.wm, () => {if (!res.bm) callback();});
+ if (res.bm)
+ this.animate(res.bm, callback);
+ if (!res.wm && !res.bm) {
+ this.displayIllegalInfo("both illegal");
+ ['w', 'b'].forEach(c => this.penalties[c]++);
+ }
+ else if (!res.wm) {
+ this.displayIllegalInfo("white illegal");
+ this.penalties['w']++;
+ }
+ else if (!res.bm) {
+ this.displayIllegalInfo("black illegal");
+ this.penalties['b']++;
+ }
+ this.whiteMove = [];
}
}
-//until here
-
+ displayIllegalInfo(msg) {
+ super.displayMessage(null, msg, "illegal-text", 2000);
+ }
atLeastOneLegalMove(color) {
for (let i=0; i<this.size.x; i++) {
if (
this.board[i][j] != "" &&
this.getColor(i, j) == color &&
- this.getPotentialMoves([i, j]).some(m => !m.illegal)
+ this.getPotentialMovesFrom([i, j]).some(m => !m.illegal)
) {
return true;
}
let fmCount = { 'w': 0, 'b': 0 };
for (let i=0; i<5; i++) {
for (let j=0; j<5; j++) {
- if (this.board[i][j] != V.EMPTY && this.getPiece(i, j) == V.PAWN)
+ if (this.board[i][j] != "" && this.getPiece(i, j) == 'p')
fmCount[this.getColor(i, j)]++;
}
}
return "1-0"; //fmCount['b'] == 0
}
// Check penaltyFlags: if a side has 2 or more, it loses
- if (Object.values(this.penaltyFlags).every(v => v == 2)) return "1/2";
- if (this.penaltyFlags['w'] == 2) return "0-1";
- if (this.penaltyFlags['b'] == 2) return "1-0";
+ if (Object.values(this.penalties).every(v => v == 2)) return "1/2";
+ if (this.penalties['w'] == 2) return "0-1";
+ if (this.penalties['b'] == 2) return "1-0";
if (!this.atLeastOneLegalMove('w') || !this.atLeastOneLegalMove('b'))
// Stalemate (should be very rare)
return "1/2";
projects / xogo.git / blobdiff