}
}
+ // Return the (standard) color+piece notation at a square for a board
+ getSquareOccupation(i, j, mirrorSide)
+ {
+ const piece = this.getPiece(i,j);
+ const V = VariantRules;
+ if (mirrorSide==1 && Object.keys(V.ALICE_CODES).includes(piece))
+ return this.board[i][j];
+ else if (mirrorSide==2 && Object.keys(V.ALICE_PIECES).includes(piece))
+ return this.getColor(i,j) + V.ALICE_PIECES[piece];
+ return "";
+ }
+
// Build board of the given (mirror)side
getSideBoard(mirrorSide)
{
- const V = VariantRules;
// Build corresponding board from complete board
- const [sizeX,sizeY] = V.size;
+ const [sizeX,sizeY] = VariantRules.size;
let sideBoard = doubleArray(sizeX, sizeY, "");
for (let i=0; i<sizeX; i++)
{
for (let j=0; j<sizeY; j++)
- {
- const piece = this.getPiece(i,j);
- if (mirrorSide==1 && Object.keys(V.ALICE_CODES).includes(piece))
- sideBoard[i][j] = this.board[i][j];
- else if (mirrorSide==2 && Object.keys(V.ALICE_PIECES).includes(piece))
- sideBoard[i][j] = this.getColor(i,j) + V.ALICE_PIECES[piece];
- }
+ sideBoard[i][j] = this.getSquareOccupation(i, j, mirrorSide);
}
return sideBoard;
}
let res = moves.filter(m => {
if (m.appear.length == 2) //castle
{
- // If appear[i] not in vanish array, then must be empty square on other board
- m.appear.forEach(psq => {
- if (this.board[psq.x][psq.y] != VariantRules.EMPTY &&
- ![m.vanish[0].y,m.vanish[1].y].includes(psq.y))
- {
+ // appear[i] must be an empty square on the other board
+ for (let psq of m.appear)
+ {
+ if (this.getSquareOccupation(psq.x,psq.y,3-mirrorSide) != VariantRules.EMPTY)
return false;
- }
- });
+ }
}
else if (this.board[m.end.x][m.end.y] != VariantRules.EMPTY)
{
if (this.board[i][j] != VariantRules.EMPTY && this.getColor(i,j) == color)
{
const mirrorSide =
- (Object.keys(VariantRules.ALICE_CODES).includes(this.getPiece(i,j)) ? 1 : 2);
+ Object.keys(VariantRules.ALICE_CODES).includes(this.getPiece(i,j))
+ ? 1
+ : 2;
Array.prototype.push.apply(potentialMoves,
this.getPotentialMovesFrom([i,j], sideBoard[mirrorSide-1]));
}
const mirrorSide = sideBoard[0][kp[0]][kp[1]] != VariantRules.EMPTY ? 1 : 2;
let saveBoard = this.board;
this.board = sideBoard[mirrorSide-1];
- let res = this.isAttacked(kp, this.getOppCol(color));
+ let res = this.isAttacked(kp, [this.getOppCol(color)]);
this.board = saveBoard;
this.undoSide(move, sideBoard);
return res;
let sideBoard = this.getSideBoard(mirrorSide);
let saveBoard = this.board;
this.board = sideBoard;
- let res = this.isAttacked(this.kingPos[color], this.getOppCol(color))
+ let res = this.isAttacked(this.kingPos[color], [this.getOppCol(color)])
? [ JSON.parse(JSON.stringify(this.kingPos[color])) ]
: [ ];
this.board = saveBoard;
let saveBoard = this.board;
this.board = sideBoard;
let res = "*";
- if (!this.isAttacked(this.kingPos[color], this.getOppCol(color)))
+ if (!this.isAttacked(this.kingPos[color], [this.getOppCol(color)]))
res = "1/2";
else
res = (color == "w" ? "0-1" : "1-0");
}
static get VALUES() {
- return {
- 'p': 1,
- 's': 1,
- 'r': 5,
- 'u': 5,
- 'n': 3,
- 'o': 3,
- 'b': 3,
- 'c': 3,
- 'q': 9,
- 't': 9,
- 'k': 1000,
- 'l': 1000
- };
+ return Object.assign(
+ ChessRules.VALUES,
+ {
+ 's': 1,
+ 'u': 5,
+ 'o': 3,
+ 'c': 3,
+ 't': 9,
+ 'l': 1000,
+ }
+ );
}
getNotation(move)