X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FAlice.js;h=db0881e29b863fae99d0b7215fcf0a95b7a27e62;hb=0cd8f2bdfe04a0bd880ee48ef2dcce24728536ee;hp=673af088e1c0c77cf979a35a19ba5d632d56ae33;hpb=5bfb09560aa346d132e829a7c63558407bcc8091;p=vchess.git

diff --git a/public/javascripts/variants/Alice.js b/public/javascripts/variants/Alice.js
index 673af088..db0881e2 100644
--- a/public/javascripts/variants/Alice.js
+++ b/public/javascripts/variants/Alice.js
@@ -1,7 +1,86 @@
 class AliceRules extends ChessRUles
 {
-	getPpath(b)
+	// TODO: more general double correspondance normal <--> alice
+	static get ALICE_PIECES()
 	{
-		return ""; //TODO
+		return ['s','t','u','c','o','l']; //king is 'l'
+	}
+
+	static getPpath(b)
+	{
+		return (this.ALICE_PIECES.includes(b[1]) ? "Alice/" : "") + b;
+	}
+
+	getPotentialMovesFrom([x,y])
+	{
+		// Build board1+board2 from complete board
+		let board1 = doubleArray(sizeX, sizeY, "");
+		let board2 = doubleArray(sizeX, sizeY, "");
+		const [sizeX,sizeY] = variantRules.size;
+		for (let i=0; i<sizeX; i++)
+		{
+			for (let j=0; j<sizeY; j++)
+			{
+				const piece = this.getPiece(i,j);
+				if (this.ALICE_PIECES.includes(piece))
+					board2[i][j] = this.board[i][j];
+				else
+					board1[i][j] = this.board[i][j];
+			}
+		}
+		let saveBoard = JSON.parse(JSON.stringify(this.board));
+
+		// Search valid moves on both boards
+		let moves = [];
+		this.board = board1;
+
+
+		this.board = board2;
+
+		this.board = saveBoard;
+
+		// Finally filter impossible moves
+
+		return moves;
+	}
+
+	underCheck(move)
+	{
+		// 1 where is king ? if board1 then build it, if board2 then build it. then check.
+		const color = this.turn;
+		this.play(move);
+		let res = this.isAttacked(this.kingPos[color], this.getOppCol(color));
+		this.undo(move);
+		return res;
+	}
+
+	// TODO also:
+	//getCheckSquares(move)
+
+	// TODO: pieces change side!
+	static PlayOnBoard(board, move)
+	{
+		for (let psq of move.vanish)
+			board[psq.x][psq.y] = VariantRules.EMPTY;
+		for (let psq of move.appear)
+			board[psq.x][psq.y] = psq.c + psq.p;
+	}
+	static UndoOnBoard(board, move)
+	{
+		for (let psq of move.appear)
+			board[psq.x][psq.y] = VariantRules.EMPTY;
+		for (let psq of move.vanish)
+			board[psq.x][psq.y] = psq.c + psq.p;
+	}
+
+	checkGameEnd()
+	{
+		const color = this.turn;
+		// No valid move: stalemate or checkmate?
+		// TODO: here also, need to build the board with king on it
+		if (!this.isAttacked(this.kingPos[color], this.getOppCol(color)))
+			return "1/2";
+		// OK, checkmate
+		return color == "w" ? "0-1" : "1-0";
 	}
 }