X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FWildebeest.js;h=ef3779ad9beee3423ad141b49f4c8b10aad2b047;hb=375ecdd1387e729f85ed114e82253469e4849869;hp=5bfa87b0538c592ac35615fd64f0e0a9afe9f3f0;hpb=9234226104764b91df9d677fb360ad538b98510c;p=vchess.git

diff --git a/public/javascripts/variants/Wildebeest.js b/public/javascripts/variants/Wildebeest.js
index 5bfa87b0..ef3779ad 100644
--- a/public/javascripts/variants/Wildebeest.js
+++ b/public/javascripts/variants/Wildebeest.js
@@ -2,27 +2,60 @@ class WildebeestRules extends ChessRules
 {
 	static getPpath(b)
 	{
-		const V = VariantRules;
 		return ([V.CAMEL,V.WILDEBEEST].includes(b[1]) ? "Wildebeest/" : "") + b;
 	}
 
-	static get size() { return [10,11]; }
+	static get size() { return {x:10,y:11}; }
 
 	static get CAMEL() { return 'c'; }
 	static get WILDEBEEST() { return 'w'; }
 
-	static get steps() {
+	static get PIECES()
+	{
+		return ChessRules.PIECES.concat([V.CAMEL,V.WILDEBEEST]);
+	}
+
+	static get steps()
+	{
 		return Object.assign(
 			ChessRules.steps, //add camel moves:
 			{'c': [ [-3,-1],[-3,1],[-1,-3],[-1,3],[1,-3],[1,3],[3,-1],[3,1] ]}
 		);
 	}
 
+	// There may be 2 enPassant squares (if pawn jump 3 squares)
+	getEnpassantFen()
+	{
+		const L = this.epSquares.length;
+		if (!this.epSquares[L-1])
+			return "-"; //no en-passant
+		let res = "";
+		this.epSquares[L-1].forEach(sq => {
+			res += V.CoordsToSquare(sq) + ",";
+		});
+		return res.slice(0,-1); //remove last comma
+	}
+
 	// En-passant after 2-sq or 3-sq jumps
-	getEpSquare(move)
+	getEpSquare(moveOrSquare)
 	{
+		if (!moveOrSquare)
+			return undefined;
+		if (typeof moveOrSquare === "string")
+		{
+			const square = moveOrSquare;
+			if (square == "-")
+				return undefined;
+			let res = [];
+			square.split(",").forEach(sq => {
+				res.push(V.SquareToCoords(sq));
+			});
+			return res;
+		}
+		// Argument is a move:
+		const move = moveOrSquare;
 		const [sx,sy,ex] = [move.start.x,move.start.y,move.end.x];
-		if (this.getPiece(sx,sy) == VariantRules.PAWN && Math.abs(sx - ex) >= 2)
+		if (this.getPiece(sx,sy) == V.PAWN && Math.abs(sx - ex) >= 2)
 		{
 			const step = (ex-sx) / Math.abs(ex-sx);
 			let res = [{
@@ -45,9 +78,9 @@ class WildebeestRules extends ChessRules
 	{
 		switch (this.getPiece(x,y))
 		{
-			case VariantRules.CAMEL:
+			case V.CAMEL:
 				return this.getPotentialCamelMoves([x,y]);
-			case VariantRules.WILDEBEEST:
+			case V.WILDEBEEST:
 				return this.getPotentialWildebeestMoves([x,y]);
 			default:
 				return super.getPotentialMovesFrom([x,y])
@@ -59,8 +92,7 @@ class WildebeestRules extends ChessRules
 	{
 		const color = this.turn;
 		let moves = [];
-		const V = VariantRules;
-		const [sizeX,sizeY] = VariantRules.size;
+		const [sizeX,sizeY] = [V.size.x,V.size.y];
 		const shift = (color == "w" ? -1 : 1);
 		const startRanks = (color == "w" ? [sizeX-2,sizeX-3] : [1,2]);
 		const lastRank = (color == "w" ? 0 : sizeX-1);
@@ -127,13 +159,12 @@ class WildebeestRules extends ChessRules
 				// TODO: some redundant checks
 				if (epsq.x == x+shift && Math.abs(epsq.y - y) == 1)
 				{
-					let epStep = epsq.y - y;
-					var enpassantMove = this.getBasicMove([x,y], [x+shift,y+epStep]);
+					var enpassantMove = this.getBasicMove([x,y], [x+shift,epsq.y]);
 					enpassantMove.vanish.push({
 						x: x,
-						y: y+epStep,
+						y: epsq.y,
 						p: 'p',
-						c: this.getColor(x,y+epStep)
+						c: this.getColor(x,epsq.y)
 					});
 					moves.push(enpassantMove);
 				}
@@ -147,13 +178,11 @@ class WildebeestRules extends ChessRules
 
 	getPotentialCamelMoves(sq)
 	{
-		return this.getSlideNJumpMoves(
-			sq, VariantRules.steps[VariantRules.CAMEL], "oneStep");
+		return this.getSlideNJumpMoves(sq, V.steps[V.CAMEL], "oneStep");
 	}
 
 	getPotentialWildebeestMoves(sq)
 	{
-		const V = VariantRules;
 		return this.getSlideNJumpMoves(
 			sq, V.steps[V.KNIGHT].concat(V.steps[V.CAMEL]), "oneStep");
 	}
@@ -168,12 +197,11 @@ class WildebeestRules extends ChessRules
 	isAttackedByCamel(sq, colors)
 	{
 		return this.isAttackedBySlideNJump(sq, colors,
-			VariantRules.CAMEL, VariantRules.steps[VariantRules.CAMEL], "oneStep");
+			V.CAMEL, V.steps[V.CAMEL], "oneStep");
 	}
 
 	isAttackedByWildebeest(sq, colors)
 	{
-		const V = VariantRules;
 		return this.isAttackedBySlideNJump(sq, colors, V.WILDEBEEST,
 			V.steps[V.KNIGHT].concat(V.steps[V.CAMEL]), "oneStep");
 	}
@@ -246,10 +274,11 @@ class WildebeestRules extends ChessRules
 			pieces[c][knight2Pos] = 'n';
 			pieces[c][rook2Pos] = 'r';
 		}
-		let fen = pieces["b"].join("") +
+		return pieces["b"].join("") +
 			"/ppppppppppp/11/11/11/11/11/11/PPPPPPPPPPP/" +
 			pieces["w"].join("").toUpperCase() +
-			" 1111";
-		return fen;
+			" w 1111 -";
 	}
 }
+
+const VariantRules = WildebeestRules;