X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fbase_rules.js;h=a47b853f439f283a1ee57e419c87afbe17eb4c0f;hb=933fd1f90a080c1a3e477cc36adebb5e8db8a9d3;hp=42d9bdc8067ab56bd596af84bf73e65496c764b9;hpb=910d631b73cad5ffef1b4461157b704e7e7057d8;p=vchess.git diff --git a/client/src/base_rules.js b/client/src/base_rules.js index 42d9bdc8..a47b853f 100644 --- a/client/src/base_rules.js +++ b/client/src/base_rules.js @@ -32,17 +32,32 @@ export const ChessRules = class ChessRules { ////////////// // MISC UTILS + // Some variants don't have flags: static get HasFlags() { return true; - } //some variants don't have flags + } + // Some variants don't have en-passant static get HasEnpassant() { return true; - } //some variants don't have ep. + } - // Path to pieces - static getPpath(b) { - return b; //usual pieces in pieces/ folder + // Some variants cannot have analyse mode + static get CanAnalyze() { + return true; + } + // Patch: issues with javascript OOP, objects can't access static fields. + get canAnalyze() { + return V.CanAnalyze; + } + + // Some variants show incomplete information, + // and thus show only a partial moves list or no list at all. + static get ShowMoves() { + return "all"; + } + get showMoves() { + return V.ShowMoves; } // Turn "wb" into "B" (for FEN) @@ -83,9 +98,12 @@ export const ChessRules = class ChessRules { if (position.length == 0) return false; const rows = position.split("/"); if (rows.length != V.size.x) return false; + let kings = {}; for (let row of rows) { let sumElts = 0; for (let i = 0; i < row.length; i++) { + if (['K','k'].includes(row[i])) + kings[row[i]] = true; if (V.PIECES.includes(row[i].toLowerCase())) sumElts++; else { const num = parseInt(row[i]); @@ -95,6 +113,9 @@ export const ChessRules = class ChessRules { } if (sumElts != V.size.y) return false; } + // Both kings should be on board: + if (Object.keys(kings).length != 2) + return false; return true; } @@ -141,6 +162,11 @@ export const ChessRules = class ChessRules { return V.CoordToColumn(coords.y) + (V.size.x - coords.x); } + // Path to pieces + getPpath(b) { + return b; //usual pieces in pieces/ folder + } + // Aggregates flags into one object aggregateFlags() { return this.castleFlags; @@ -338,9 +364,9 @@ export const ChessRules = class ChessRules { for (let indexInRow = 0; indexInRow < rows[i].length; indexInRow++) { const character = rows[i][indexInRow]; const num = parseInt(character); + // If num is a number, just shift j: if (!isNaN(num)) j += num; - //just shift j - //something at position i,j + // Else: something at position i,j else board[i][j++] = V.fen2board(character); } } @@ -360,7 +386,9 @@ export const ChessRules = class ChessRules { // INITIALIZATION constructor(fen) { - this.re_init(fen); + // In printDiagram() fen isn't supply because only getPpath() is used + if (fen) + this.re_init(fen); } // Fen string fully describes the game state @@ -416,7 +444,7 @@ export const ChessRules = class ChessRules { if (V.HasEnpassant) { const epSq = parsedFen.enpassant != "-" - ? V.SquareToCoords(parsedFen.enpassant) + ? this.getEpSquare(parsedFen.enpassant) : undefined; this.epSquares = [epSq]; } @@ -703,10 +731,11 @@ export const ChessRules = class ChessRules { const oppCol = V.GetOppCol(c); let moves = []; let i = 0; + // King, then rook: const finalSquares = [ [2, 3], [V.size.y - 2, V.size.y - 3] - ]; //king, then rook + ]; castlingCheck: for ( let castleSide = 0; castleSide < 2; @@ -948,6 +977,8 @@ export const ChessRules = class ChessRules { // After move is played, update variables + flags updateVariables(move) { let piece = undefined; + // TODO: update variables before move is played, and just use this.turn ? + // (doesn't work in general, think MarseilleChess) let c = undefined; if (move.vanish.length >= 1) { // Usual case, something is moved @@ -958,9 +989,8 @@ export const ChessRules = class ChessRules { piece = move.appear[0].p; c = move.appear[0].c; } - if (c == "c") { - //if (!["w","b"].includes(c)) - // 'c = move.vanish[0].c' doesn't work for Checkered + if (!['w','b'].includes(c)) { + // Checkered, for example c = V.GetOppCol(this.turn); } const firstRank = c == "w" ? V.size.x - 1 : 0; @@ -1003,9 +1033,9 @@ export const ChessRules = class ChessRules { play(move) { // DEBUG: - // if (!this.states) this.states = []; - // const stateFen = this.getBaseFen() + this.getTurnFen() + this.getFlagsFen(); - // this.states.push(stateFen); +// if (!this.states) this.states = []; +// const stateFen = this.getBaseFen() + this.getTurnFen() + this.getFlagsFen(); +// this.states.push(stateFen); if (V.HasFlags) move.flags = JSON.stringify(this.aggregateFlags()); //save flags (for undo) if (V.HasEnpassant) this.epSquares.push(this.getEpSquare(move)); @@ -1024,9 +1054,9 @@ export const ChessRules = class ChessRules { this.unupdateVariables(move); // DEBUG: - // const stateFen = this.getBaseFen() + this.getTurnFen() + this.getFlagsFen(); - // if (stateFen != this.states[this.states.length-1]) debugger; - // this.states.pop(); +// const stateFen = this.getBaseFen() + this.getTurnFen() + this.getFlagsFen(); +// if (stateFen != this.states[this.states.length-1]) debugger; +// this.states.pop(); } /////////////// @@ -1035,7 +1065,6 @@ export const ChessRules = class ChessRules { // What is the score ? (Interesting if game is over) getCurrentScore() { if (this.atLeastOneMove()) - // game not over return "*"; // Game over @@ -1246,10 +1275,10 @@ export const ChessRules = class ChessRules { // Capture const startColumn = V.CoordToColumn(move.start.y); notation = startColumn + "x" + finalSquare; - } //no capture + } else notation = finalSquare; if (move.appear.length > 0 && move.appear[0].p != V.PAWN) - //promotion + // Promotion notation += "=" + move.appear[0].p.toUpperCase(); return notation; }