import { ChessRules, PiPo, Move } from "@/base_rules";
-import { ArrayFun } from "@/utils/array";
export class ShinobiRules extends ChessRules {
- /* Would be unused:
- static get PawnSpecs() {
- return Object.assign(
- { promotions: [V.PAWN] },
- ChessRules.PawnSpecs
- );
- } */
+ static get LoseOnRepetition() {
+ return true;
+ }
static get CAPTAIN() {
return 'c';
return 'l';
}
+ static IsGoodFlags(flags) {
+ // Only black can castle
+ return !!flags.match(/^[a-z]{2,2}$/);
+ }
+
static get PIECES() {
return (
ChessRules.PIECES
return "Shinobi/" + color + V.RESERVE_PIECES[index];
}
+ getFlagsFen() {
+ return this.castleFlags['b'].map(V.CoordToColumn).join("");
+ }
+
+ setFlags(fenflags) {
+ this.castleFlags = { 'b': [-1, -1] };
+ for (let i = 0; i < 2; i++)
+ this.castleFlags['b'][i] = V.ColumnToCoord(fenflags.charAt(i));
+ }
+
static IsGoodFen(fen) {
if (!ChessRules.IsGoodFen(fen)) return false;
const fenParsed = V.ParseFen(fen);
);
}
- // In hand initially: another captain, a ninja + a samurai,
- // and 2 x monk, horse, lance (TODO)
+ // In hand initially: captain, ninja, samurai + 2 x monk, horse, lance.
static GenRandInitFen(randomness) {
const baseFen = ChessRules.GenRandInitFen(Math.min(randomness, 1));
return (
- baseFen.substr(0, 33) + "3CK3 " +
- "w 0 " + baseFen.substr(38, 2) + " - 111222"
+ baseFen.substr(0, 35) + "3CK3 " +
+ "w 0 " + baseFen.substr(48, 2) + " - 111222"
);
}
[V.NINJA]: reserve[1],
[V.SAMURAI]: reserve[2],
[V.MONK]: reserve[3],
- [V.HORSE]: reserve[4]
+ [V.HORSE]: reserve[4],
[V.LANCE]: reserve[5]
}
};
}
getColor(i, j) {
- if (i >= V.size.x) return i == V.size.x ? "w" : "b";
+ if (i >= V.size.x) return 'w';
return this.board[i][j].charAt(0);
}
return this.board[i][j].charAt(1);
}
- // Ordering on reserve pieces
static get RESERVE_PIECES() {
return [V.CAPTAIN, V.NINJA, V.SAMURAI, V.MONK, V.HORSE, V.LANCE];
}
new PiPo({
x: i,
y: j,
- c: color,
+ c: 'w',
p: p
})
],
// Standard moves
const piece = this.getPiece(x, y);
const sq = [x, y];
- if (ChessRules.includes(piece)) return super.getPotentialMovesFrom(sq);
+ if ([V.ROOK, V.KNIGHT, V.BISHOP, V.QUEEN].includes(piece))
+ return super.getPotentialMovesFrom(sq);
switch (piece) {
case V.KING: return super.getPotentialKingMoves(sq);
case V.CAPTAIN: return this.getPotentialCaptainMoves(sq);
// Unpromoted
case V.PAWN:
moves = super.getPotentialPawnMoves(sq);
+ break;
case V.MONK:
moves = this.getPotentialMonkMoves(sq);
break;
const promotionZone = (this.turn == 'w' ? [0, 1, 2] : [5, 6, 7]);
const promotedForm = V.MapUnpromoted[piece];
moves.forEach(m => {
- if (promotionZone.includes(m.end.x)) move.appear[0].p = promotedForm;
+ if (promotionZone.includes(m.end.x)) m.appear[0].p = promotedForm;
});
return moves;
}
- getPotentialCaptainMoves([x, y]) {
- }
-
- // TODO: adapt...
- getPotentialNinjaMoves(sq) {
- return super.getSlideNJumpMoves(sq, V.steps[V.BISHOP], "oneStep");
+ getPotentialKingMoves([x, y]) {
+ if (this.getColor(x, y) == 'b') return super.getPotentialKingMoves([x, y]);
+ // Clan doesn't castle:
+ return super.getSlideNJumpMoves(
+ [x, y],
+ V.steps[V.ROOK].concat(V.steps[V.BISHOP]),
+ "oneStep"
+ );
}
- getPotentialSamuraiMoves(sq) {
+ getPotentialCaptainMoves(sq) {
const steps = V.steps[V.ROOK].concat(V.steps[V.BISHOP]);
return super.getSlideNJumpMoves(sq, steps, "oneStep");
}
- getPotentialMonkMoves(sq) {
+ getPotentialNinjaMoves(sq) {
+ return (
+ super.getSlideNJumpMoves(sq, V.steps[V.BISHOP])
+ .concat(super.getSlideNJumpMoves(sq, V.steps[V.KNIGHT], "oneStep"))
+ );
+ }
+
+ getPotentialSamuraiMoves(sq) {
return (
super.getSlideNJumpMoves(sq, V.steps[V.ROOK])
.concat(super.getSlideNJumpMoves(sq, V.steps[V.KNIGHT], "oneStep"))
);
}
+ getPotentialMonkMoves(sq) {
+ return super.getSlideNJumpMoves(sq, V.steps[V.BISHOP], "oneStep");
+ }
+
getPotentialHorseMoves(sq) {
- const steps =
- V.steps[V.BISHOP].concat(V.steps[V.ROOK]).concat(V.steps[V.KNIGHT]);
- return super.getSlideNJumpMoves(sq, steps, "oneStep");
+ return super.getSlideNJumpMoves(sq, [ [-2, 1], [-2, -1] ], "oneStep");
}
getPotentialLanceMoves(sq) {
- return (
- super.getSlideNJumpMoves(sq, V.steps[V.BISHOP])
- .concat(super.getSlideNJumpMoves(sq, V.steps[V.KNIGHT], "oneStep"))
- );
+ return super.getSlideNJumpMoves(sq, [ [-1, 0] ]);
}
isAttacked(sq, color) {
return (
super.isAttackedByKing(sq, 'w') ||
this.isAttackedByCaptain(sq, 'w') ||
- this.isAttackedByNinja(sq, 'w')
- this.isAttackedBySamurai(sq, 'w')
+ this.isAttackedByNinja(sq, 'w') ||
+ this.isAttackedBySamurai(sq, 'w') ||
this.isAttackedByMonk(sq, 'w') ||
this.isAttackedByHorse(sq, 'w') ||
this.isAttackedByLance(sq, 'w') ||
isAttackedByCaptain(sq, color) {
const steps = V.steps[V.BISHOP].concat(V.steps[V.ROOK]);
return (
- super.isAttackedBySlideNJump(sq, color, V.DUCHESS, steps, "oneStep")
+ super.isAttackedBySlideNJump(sq, color, V.CAPTAIN, steps, "oneStep")
);
}
isAttackedByNinja(sq, color) {
return (
+ super.isAttackedBySlideNJump(sq, color, V.NINJA, V.steps[V.BISHOP]) ||
super.isAttackedBySlideNJump(
- sq, color, V.DUCHESS, V.steps[V.BISHOP], "oneStep")
+ sq, color, V.NINJA, V.steps[V.KNIGHT], "oneStep")
);
}
isAttackedBySamurai(sq, color) {
return (
- super.isAttackedBySlideNJump(sq, color, V.MORTAR, V.steps[V.ROOK]) ||
+ super.isAttackedBySlideNJump(sq, color, V.SAMURAI, V.steps[V.ROOK]) ||
super.isAttackedBySlideNJump(
- sq, color, V.MORTAR, V.steps[V.KNIGHT], "oneStep")
+ sq, color, V.SAMURAI, V.steps[V.KNIGHT], "oneStep")
);
}
isAttackedByMonk(sq, color) {
- const steps =
- V.steps[V.BISHOP].concat(V.steps[V.ROOK]).concat(V.steps[V.KNIGHT]);
return (
- super.isAttackedBySlideNJump(sq, color, V.GENERAL, steps, "oneStep")
+ super.isAttackedBySlideNJump(
+ sq, color, V.MONK, V.steps[V.BISHOP], "oneStep")
);
}
isAttackedByHorse(sq, color) {
return (
- super.isAttackedBySlideNJump(sq, color, V.ARCHBISHOP, V.steps[V.BISHOP])
- ||
super.isAttackedBySlideNJump(
- sq, color, V.ARCHBISHOP, V.steps[V.KNIGHT], "oneStep")
+ sq, color, V.HORSE, [ [2, 1], [2, -1] ], "oneStep")
);
}
isAttackedByLance(sq, color) {
- return (
- super.isAttackedBySlideNJump(sq, color, V.ARCHBISHOP, V.steps[V.BISHOP])
- ||
- super.isAttackedBySlideNJump(
- sq, color, V.ARCHBISHOP, V.steps[V.KNIGHT], "oneStep")
- );
+ return super.isAttackedBySlideNJump(sq, color, V.LANCE, [ [1, 0] ]);
}
getAllValidMoves() {
let moves = super.getAllPotentialMoves();
- const color = this.turn;
- for (let i = 0; i < V.RESERVE_PIECES.length; i++) {
- moves = moves.concat(
- this.getReserveMoves([V.size.x + (color == "w" ? 0 : 1), i])
- );
+ if (this.turn == 'w') {
+ for (let i = 0; i < V.RESERVE_PIECES.length; i++) {
+ moves = moves.concat(
+ this.getReserveMoves([V.size.x, i])
+ );
+ }
}
return this.filterValid(moves);
}
atLeastOneMove() {
- if (!super.atLeastOneMove()) {
+ if (super.atLeastOneMove()) return true;
+ if (this.turn == 'w') {
// Search one reserve move
for (let i = 0; i < V.RESERVE_PIECES.length; i++) {
let moves = this.filterValid(
- this.getReserveMoves([V.size.x + (this.turn == "w" ? 0 : 1), i])
+ this.getReserveMoves([V.size.x, i])
);
if (moves.length > 0) return true;
}
- return false;
}
- return true;
+ return false;
+ }
+
+ updateCastleFlags(move, piece) {
+ // Only black can castle:
+ const firstRank = 0;
+ if (piece == V.KING && move.appear[0].c == 'b')
+ this.castleFlags['b'] = [8, 8];
+ else if (
+ move.start.x == firstRank &&
+ this.castleFlags['b'].includes(move.start.y)
+ ) {
+ const flagIdx = (move.start.y == this.castleFlags['b'][0] ? 0 : 1);
+ this.castleFlags['b'][flagIdx] = 8;
+ }
+ else if (
+ move.end.x == firstRank &&
+ this.castleFlags['b'].includes(move.end.y)
+ ) {
+ const flagIdx = (move.end.y == this.castleFlags['b'][0] ? 0 : 1);
+ this.castleFlags['b'][flagIdx] = 8;
+ }
}
- // TODO: only black can castle (see Orda)
-
postPlay(move) {
super.postPlay(move);
// Skip castle:
if (move.vanish.length == 0) this.reserve[color][move.appear[0].p]++;
}
- /*
static get SEARCH_DEPTH() {
return 2;
- } */
+ }
+
+ getCurrentScore() {
+ const color = this.turn;
+ const nodrawResult = (color == "w" ? "0-1" : "1-0");
+ const oppLastRank = (color == 'w' ? 7 : 0);
+ if (this.kingPos[V.GetOppCol(color)][0] == oppLastRank)
+ return nodrawResult;
+ if (this.atLeastOneMove()) return "*";
+ return nodrawResult;
+ }
- // TODO:
static get VALUES() {
return (
Object.assign(
{
c: 4,
- g: 5,
- a: 7,
- m: 7,
- f: 2
+ j: 7,
+ s: 8,
+ m: 2,
+ h: 2,
+ l: 2
},
ChessRules.VALUES
)
evalPosition() {
let evaluation = super.evalPosition();
- // Add reserves:
+ // Add reserve:
for (let i = 0; i < V.RESERVE_PIECES.length; i++) {
const p = V.RESERVE_PIECES[i];
evaluation += this.reserve["w"][p] * V.VALUES[p];
- evaluation -= this.reserve["b"][p] * V.VALUES[p];
}
return evaluation;
}
projects / vchess.git / blobdiff