From: Benjamin Auder Date: Fri, 3 Apr 2020 02:47:30 +0000 (+0200) Subject: Fixes. Dynamo draft almost working X-Git-Url: https://git.auder.net/doc/html/pieces/%7B%7B%20asset%28%27mixstore/images/%7B%7B%20targetUrl%20%7D%7D?a=commitdiff_plain;h=7b53b5a78427c59e6ff8687465e092245bd1c7e1;p=vchess.git Fixes. Dynamo draft almost working --- diff --git a/client/src/variants/Dynamo.js b/client/src/variants/Dynamo.js index 25954d57..ddd0402c 100644 --- a/client/src/variants/Dynamo.js +++ b/client/src/variants/Dynamo.js @@ -40,6 +40,7 @@ export class DynamoRules extends ChessRules { }); this.amoves.push(move); } + this.subTurn = 1; // Stack "first moves" (on subTurn 1) to merge and check opposite moves this.firstMove = []; } @@ -70,6 +71,7 @@ export class DynamoRules extends ChessRules { getAmoveFen() { const L = this.amoves.length; + if (L == 0) return "-"; return ( ["appear","vanish"].map( mpart => { @@ -100,6 +102,7 @@ export class DynamoRules extends ChessRules { const color = this.getColor(x, y); const piece = this.getPiece(x, y); const lastRank = (color == 'w' ? 0 : 7); + let counter = 1; while (V.OnBoard(i, j) && this.board[i][j] == V.EMPTY) { if (i == lastRank && piece == V.PAWN) { // Promotion by push or pull @@ -109,13 +112,16 @@ export class DynamoRules extends ChessRules { }); } else moves.push(super.getBasicMove([x, y], [i, j])); + if (++counter > nbSteps) break; + i += dx; + j += dy; } if (!V.OnBoard(i, j) && piece != V.KING) { // Add special "exit" move, by "taking king" moves.push( new Move({ start: { x: x, y: y }, - end: JSON.parse(JSON.stringify(this.kingPos[color])), + end: { x: this.kingPos[color][0], y: this.kingPos[color][1] }, appear: [], vanish: [{ x: x, y: y, c: color, p: piece }] }) @@ -186,11 +192,6 @@ export class DynamoRules extends ChessRules { getPotentialMovesFrom([x, y]) { const color = this.turn; if (this.subTurn == 1) { - // Free to play any move: - const moves = super.getPotentialMovesFrom([x, y]) - // Structure to avoid adding moves twice (can be action & move) - let hashMoves = {}; - moves.forEach(m => { hashMoves[getMoveHash(m)] = true; }); const getMoveHash = (m) => { return V.CoordsToSquare(m.start) + V.CoordsToSquare(m.end); }; @@ -198,24 +199,29 @@ export class DynamoRules extends ChessRules { const newMoves = this.getMovesInDirection([x, y], [-dir[0], -dir[1]], nbSteps) .filter(m => !movesHash[getMoveHash(m)]); - newMoves.forEach(m => { hashMoves[getMoveHash(m)] = true; }); + newMoves.forEach(m => { movesHash[getMoveHash(m)] = true; }); Array.prototype.push.apply(moves, newMoves); }; + // Free to play any move: + const moves = super.getPotentialMovesFrom([x, y]) const pawnShift = (color == 'w' ? -1 : 1); const pawnStartRank = (color == 'w' ? 6 : 1); + // Structure to avoid adding moves twice (can be action & move) + let movesHash = {}; + moves.forEach(m => { movesHash[getMoveHash(m)] = true; }); // [x, y] is pushed by 'color' for (let step of V.steps[V.KNIGHT]) { const [i, j] = [x + step[0], y + step[1]]; - if (V.OnBoard(i, j) && this.board[i][j] != V.EMPTY) { - // Only can move away from a knight (can pull but must move first) - Array.prototype.push.apply( - moves, - this.getMovesInDirection([x, y], [-step[0], -step[1]], 1) - .filter(m => !movesHash[getMoveHash(m)]) - ); + if ( + V.OnBoard(i, j) && + this.board[i][j] != V.EMPTY && + this.getColor(i, j) == color && + this.getPiece(i, j) == V.KNIGHT + ) { + addMoves(step, 1); } } - for (let step in V.steps[V.ROOK].concat(V.steps[V.BISHOP])) { + for (let step of V.steps[V.ROOK].concat(V.steps[V.BISHOP])) { let [i, j] = [x + step[0], y + step[1]]; while (V.OnBoard(i, j) && this.board[i][j] == V.EMPTY) { i += step[0]; @@ -246,10 +252,6 @@ export class DynamoRules extends ChessRules { case V.ROOK: if (deltaX == 0 || deltaY == 0) addMoves(step); break; - case V.KNIGHT: - if (deltaX + deltaY == 3 && (deltaX == 1 || deltaY == 1)) - addMoves(step, 1); - break; case V.BISHOP: if (deltaX == deltaY) addMoves(step); break; @@ -434,10 +436,12 @@ export class DynamoRules extends ChessRules { // then return an empty move, allowing to "pass" subTurn2 if ( this.subTurn == 2 && - this.board[square.x][square.y] == V.EMPTY && + this.board[square[0]][square[1]] == V.EMPTY && !this.underCheck(this.turn) ) { return { + start: { x: -1, y: -1 }, + end: { x: -1, y: -1 }, appear: [], vanish: [] }; @@ -449,6 +453,8 @@ export class DynamoRules extends ChessRules { move.flags = JSON.stringify(this.aggregateFlags()); V.PlayOnBoard(this.board, move); if (this.subTurn == 2) { + const L = this.firstMove.length; + this.amoves.push(this.getAmove(this.firstMove[L-1], move)); this.turn = V.GetOppCol(this.turn); this.movesCount++; } @@ -457,15 +463,20 @@ export class DynamoRules extends ChessRules { this.postPlay(move); } - updateCastleFlags(move, piece) { - const c = V.GetOppCol(this.turn); - const firstRank = (c == "w" ? V.size.x - 1 : 0); - // Update castling flags - if (piece == V.KING) this.castleFlags[c] = [V.size.y, V.size.y]; + postPlay(move) { + if (move.start.x < 0) return; + for (let a of move.appear) + if (a.p == V.KING) this.kingPos[a.c] = [a.x, a.y]; + this.updateCastleFlags(move); + } + + updateCastleFlags(move) { + const firstRank = { 'w': V.size.x - 1, 'b': 0 }; for (let v of move.vanish) { - if (v.x == firstRank && this.castleFlags[c].includes(v.y)) { - const flagIdx = (v.y == this.castleFlags[c][0] ? 0 : 1); - this.castleFlags[c][flagIdx] = V.size.y; + if (v.p == V.KING) this.castleFlags[v.c] = [V.size.y, V.size.y]; + else if (v.x == firstRank[v.c] && this.castleFlags[v.c].includes(v.y)) { + const flagIdx = (v.y == this.castleFlags[v.c][0] ? 0 : 1); + this.castleFlags[v.c][flagIdx] = V.size.y; } } } @@ -481,4 +492,22 @@ export class DynamoRules extends ChessRules { this.subTurn = 3 - this.subTurn; this.postUndo(move); } + + postUndo(move) { + // (Potentially) Reset king position + for (let v of move.vanish) + if (v.p == V.KING) this.kingPos[v.c] = [v.x, v.y]; + } + + getNotation(move) { + if (move.start.x < 0) + // A second move is always required, but may be empty + return "-"; + const initialSquare = V.CoordsToSquare(move.start); + const finalSquare = V.CoordsToSquare(move.end); + if (move.appear.length == 0) + // Pushed or pulled out of the board + return initialSquare + "R"; + return move.appear[0].p.toUpperCase() + initialSquare + finalSquare; + } };