X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FMagnetic.js;h=8adb1babd4cbcc5b75f3ba27674c5bd9ab4b2ad3;hb=26b8e4f7c71030d49e44fe1d89632ef91b886d67;hp=2e90e6c02b1965a78f0b225960650ea7cf48f1f0;hpb=0b7d99ecbb5dedc02cd96c457b5fc2962db9b297;p=vchess.git diff --git a/public/javascripts/variants/Magnetic.js b/public/javascripts/variants/Magnetic.js index 2e90e6c0..8adb1bab 100644 --- a/public/javascripts/variants/Magnetic.js +++ b/public/javascripts/variants/Magnetic.js @@ -1,9 +1,6 @@ class MagneticRules extends ChessRules { - getEpSquare(move) - { - return undefined; //no en-passant - } + static get HasEnpassant() { return false; } getPotentialMovesFrom([x,y]) { @@ -142,41 +139,31 @@ class MagneticRules extends ChessRules return true; //TODO: is it right? } - underCheck(move) + underCheck(color) { return false; //there is no check } getCheckSquares(move) { - const c = this.getOppCol(this.turn); //opponent - const saveKingPos = this.kingPos[c]; //king might be taken - this.play(move); - // The only way to be "under check" is to have lost the king (thus game over) - let res = this.kingPos[c][0] < 0 - ? [ JSON.parse(JSON.stringify(saveKingPos)) ] - : [ ]; - this.undo(move); - return res; + return []; } updateVariables(move) { super.updateVariables(move); - const c = this.getColor(move.start.x,move.start.y); - if (this.board[move.end.x][move.end.y] != V.EMPTY - && c != this.getColor(move.end.x,move.end.y) - && this.getPiece(move.end.x,move.end.y) == V.KING) + const c = move.vanish[0].c; + if (move.vanish.length >= 2 && move.vanish[1].p == V.KING) { // We took opponent king ! - const oppCol = this.getOppCol(c); + const oppCol = V.GetOppCol(c); this.kingPos[oppCol] = [-1,-1]; this.castleFlags[oppCol] = [false,false]; } // Did we magnetically move our (init) rooks or opponents' ones ? const firstRank = (c == "w" ? 7 : 0); const oppFirstRank = 7 - firstRank; - const oppCol = this.getOppCol(c); + const oppCol = V.GetOppCol(c); move.vanish.forEach(psq => { if (psq.x == firstRank && this.INIT_COL_ROOK[c].includes(psq.y)) this.castleFlags[c][psq.y==this.INIT_COL_ROOK[c][0] ? 0 : 1] = false; @@ -188,8 +175,8 @@ class MagneticRules extends ChessRules unupdateVariables(move) { super.unupdateVariables(move); - const c = this.getColor(move.start.x,move.start.y); - const oppCol = this.getOppCol(c); + const c = move.vanish[0].c; + const oppCol = V.GetOppCol(c); if (this.kingPos[oppCol][0] < 0) { // Last move took opponent's king @@ -210,7 +197,10 @@ class MagneticRules extends ChessRules return this.turn == "w" ? "0-1" : "1-0"; } - static get THRESHOLD_MATE() { + static get THRESHOLD_MATE() + { return 500; //checkmates evals may be slightly below 1000 } } + +const VariantRules = MagneticRules;