X-Git-Url: https://git.auder.net/assets/icon_infos.svg?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FAlice.js;h=a15c30c3002c03028194378ec5c1174e7d35a9c7;hb=0f51ef985c094530a63d242dddf514e66d23959b;hp=3cba8d021f877505dd970b18337458ec1c2a0402;hpb=270968d6f8b17065cfe18279d9ee7973107a1048;p=vchess.git

diff --git a/public/javascripts/variants/Alice.js b/public/javascripts/variants/Alice.js
index 3cba8d02..a15c30c3 100644
--- a/public/javascripts/variants/Alice.js
+++ b/public/javascripts/variants/Alice.js
@@ -28,6 +28,38 @@ class AliceRules extends ChessRules
 		return (Object.keys(this.ALICE_PIECES).includes(b[1]) ? "Alice/" : "") + b;
 	}
 
+	initVariables(fen)
+	{
+		super.initVariables(fen);
+		const fenParts = fen.split(" ");
+		const position = fenParts[0].split("/");
+		if (this.kingPos["w"][0] < 0 || this.kingPos["b"][0] < 0)
+		{
+			// INIT_COL_XXX won't be used, so no need to set them for Alice kings
+			for (let i=0; i<position.length; i++)
+			{
+				let k = 0; //column index on board
+				for (let j=0; j<position[i].length; j++)
+				{
+					switch (position[i].charAt(j))
+					{
+						case 'l':
+							this.kingPos['b'] = [i,k];
+							break;
+						case 'L':
+							this.kingPos['w'] = [i,k];
+							break;
+						default:
+							let num = parseInt(position[i].charAt(j));
+							if (!isNaN(num))
+								k += (num-1);
+					}
+					k++;
+				}
+			}
+		}
+	}
+
 	getBoardOfPiece([x,y])
 	{
 		const V = VariantRules;
@@ -50,10 +82,9 @@ class AliceRules extends ChessRules
 		return sideBoard;
 	}
 
-	// TODO: castle & enPassant https://www.chessvariants.com/other.dir/alice.html
-	// TODO: enPassant seulement si l'on est du même coté que le coté de départ du pion adverse
-	// (en passant en sortant du monde... : il faut donc ajouter des coups non trouvés)
-	// castle: check that all destination squares are not occupied
+	// TODO: move board building one level up (findAllMoves()) to avoid re-building at every piece...
+	// NOTE: castle & enPassant https://www.chessvariants.com/other.dir/alice.html
+	// --> Should be OK as is.
 	getPotentialMovesFrom([x,y])
 	{
 		let sideBoard = this.getBoardOfPiece([x,y]);
@@ -67,8 +98,20 @@ class AliceRules extends ChessRules
 		// Finally filter impossible moves
 		const mirrorSide = (Object.keys(VariantRules.ALICE_CODES).includes(this.getPiece(x,y)) ? 1 : 2);
 		return moves.filter(m => {
-			if (this.board[m.end.x][m.end.y] != VariantRules.EMPTY)
+			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))
+					{
+						return false;
+					}
+				});
+			}
+			else if (this.board[m.end.x][m.end.y] != VariantRules.EMPTY)
 			{
+				// Attempt to capture
 				const piece = this.getPiece(m.end.x,m.end.y);
 				if ((mirrorSide==1 && Object.keys(VariantRules.ALICE_PIECES).includes(piece))
 					|| (mirrorSide==2 && Object.keys(VariantRules.ALICE_CODES).includes(piece)))
@@ -76,12 +119,22 @@ class AliceRules extends ChessRules
 					return false;
 				}
 			}
-			m.appear.forEach(psq => {
-				if (Object.keys(VariantRules.ALICE_CODES).includes(psq.p))
+			// If the move is computed on board1, m.appear change for Alice pieces.
+			if (mirrorSide==1)
+			{
+				m.appear.forEach(psq => { //forEach: castling taken into account
 					psq.p = VariantRules.ALICE_CODES[psq.p]; //goto board2
-				else
-					psq.p = VariantRules.ALICE_PIECES[psq.p]; //goto board1
-			});
+				});
+			}
+			else //move on board2: mark vanishing pieces as Alice
+			{
+				m.vanish.forEach(psq => {
+					psq.p = VariantRules.ALICE_CODES[psq.p];
+				});
+			}
+			// Fix en-passant captures
+			if (m.vanish.length == 2 && this.board[m.end.x][m.end.y] == VariantRules.EMPTY)
+				m.vanish[1].c = this.getOppCol(this.getColor(x,y));
 			return true;
 		});
 	}
@@ -114,6 +167,60 @@ class AliceRules extends ChessRules
 		return res;
 	}
 
+	updateVariables(move)
+	{
+		super.updateVariables(move); //standard king
+		const piece = this.getPiece(move.start.x,move.start.y);
+		const c = this.getColor(move.start.x,move.start.y);
+		// "l" = Alice king
+		if (piece == "l")
+		{
+			this.kingPos[c][0] = move.appear[0].x;
+			this.kingPos[c][1] = move.appear[0].y;
+			this.castleFlags[c] = [false,false];
+		}
+	}
+
+	unupdateVariables(move)
+	{
+		super.unupdateVariables(move);
+		const c = this.getColor(move.start.x,move.start.y);
+		if (this.getPiece(move.start.x,move.start.y) == "l")
+			this.kingPos[c] = [move.start.x, move.start.y];
+	}
+
+	checkGameEnd()
+	{
+		const color = this.turn;
+		let sideBoard = this.getBoardOfPiece(this.kingPos[color]);
+		let saveBoard = this.board;
+		this.board = sideBoard;
+		let res = "*";
+		if (!this.isAttacked(this.kingPos[color], this.getOppCol(color)))
+			res = "1/2";
+		else
+			res = (color == "w" ? "0-1" : "1-0");
+		this.board = saveBoard;
+		return res;
+	}
+
+	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
+		};
+	}
+
 	getNotation(move)
 	{
 		if (move.appear.length == 2 && move.appear[0].p == VariantRules.KING)
@@ -128,9 +235,13 @@ class AliceRules extends ChessRules
 			String.fromCharCode(97 + move.end.y) + (VariantRules.size[0]-move.end.x);
 		const piece = this.getPiece(move.start.x, move.start.y);
 
+		const captureMark = (move.vanish.length > move.appear.length ? "x" : "");
+		let pawnMark = "";
+		if (["p","s"].includes(piece) && captureMark.length == 1)
+			pawnMark = String.fromCharCode(97 + move.start.y); //start column
+
 		// Piece or pawn movement
-		let notation = piece.toUpperCase() +
-			(move.vanish.length > move.appear.length ? "x" : "") + finalSquare;
+		let notation = piece.toUpperCase() + pawnMark + captureMark + finalSquare;
 		if (['s','p'].includes(piece) && !['s','p'].includes(move.appear[0].p))
 		{
 			// Promotion
@@ -138,19 +249,4 @@ class AliceRules extends ChessRules
 		}
 		return notation;
 	}
-
-	checkGameEnd()
-	{
-		const color = this.turn;
-		let sideBoard = this.getBoardOfPiece(this.kingPos[color]);
-		let saveBoard = this.board;
-		this.board = sideBoard;
-		let res = "*";
-		if (!this.isAttacked(this.kingPos[color], this.getOppCol(color)))
-			res = "1/2";
-		else
-			res = (color == "w" ? "0-1" : "1-0");
-		this.board = saveBoard;
-		return res;
-	}
 }