X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FGrand.js;h=9e1504d9f9a7dcbee49ca4bede9e5885e3c8d673;hb=9234226104764b91df9d677fb360ad538b98510c;hp=faf7f63fb5163c965011aa80d043684884019f63;hpb=c605216162dfc09cbbe61b0969f8890f28625372;p=vchess.git

diff --git a/public/javascripts/variants/Grand.js b/public/javascripts/variants/Grand.js
index faf7f63f..9e1504d9 100644
--- a/public/javascripts/variants/Grand.js
+++ b/public/javascripts/variants/Grand.js
@@ -1,4 +1,5 @@
-//https://www.chessvariants.com/large.dir/freeling.html
+// NOTE: initial setup differs from the original; see
+// https://www.chessvariants.com/large.dir/freeling.html
 class GrandRules extends ChessRules
 {
 	static getPpath(b)
@@ -63,8 +64,8 @@ class GrandRules extends ChessRules
 		const V = VariantRules;
 		const [sizeX,sizeY] = VariantRules.size;
 		const shift = (color == "w" ? -1 : 1);
-		const startRanks = (color == "w" ? [sizeY-2,sizeY-3] : [1,2]);
-		const lastRanks = (color == "w" ? [0,1,2] : [sizeY-1,sizeY-2,sizeY-3]);
+		const startRanks = (color == "w" ? [sizeX-2,sizeX-3] : [1,2]);
+		const lastRanks = (color == "w" ? [0,1,2] : [sizeX-1,sizeX-2,sizeX-3]);
 
 		if (x+shift >= 0 && x+shift < sizeX && x+shift != lastRanks[0])
 		{
@@ -76,7 +77,7 @@ class GrandRules extends ChessRules
 				{
 					// Two squares jump
 					moves.push(this.getBasicMove([x,y], [x+2*shift,y]));
-					if (x == startRanks[0] && this.board[x+2*shift][y] == V.EMPTY)
+					if (x == startRanks[0] && this.board[x+3*shift][y] == V.EMPTY)
 					{
 						// 3-squares jump
 						moves.push(this.getBasicMove([x,y], [x+3*shift,y]));
@@ -84,16 +85,22 @@ class GrandRules extends ChessRules
 				}
 			}
 			// Captures
-			if (y>0 && this.canTake([x,y], [x+shift,y-1]) && this.board[x+shift][y-1] != V.EMPTY)
+			if (y>0 && this.canTake([x,y], [x+shift,y-1])
+				&& this.board[x+shift][y-1] != V.EMPTY)
+			{
 				moves.push(this.getBasicMove([x,y], [x+shift,y-1]));
-			if (y<sizeY-1 && this.canTake([x,y], [x+shift,y+1]) && this.board[x+shift][y+1] != V.EMPTY)
+			}
+			if (y<sizeY-1 && this.canTake([x,y], [x+shift,y+1])
+				&& this.board[x+shift][y+1] != V.EMPTY)
+			{
 				moves.push(this.getBasicMove([x,y], [x+shift,y+1]));
+			}
 		}
 
 		if (lastRanks.includes(x+shift))
 		{
 			// Promotion
-			let promotionPieces = [V.ROOK,V.KNIGHT,V.BISHOP,V.QUEEN];
+			let promotionPieces = [V.ROOK,V.KNIGHT,V.BISHOP,V.QUEEN,V.MARSHALL,V.CARDINAL];
 			promotionPieces.forEach(p => {
 				if (!this.captures[color][p] || this.captures[color][p]==0)
 					return;
@@ -101,10 +108,16 @@ class GrandRules extends ChessRules
 				if (this.board[x+shift][y] == V.EMPTY)
 					moves.push(this.getBasicMove([x,y], [x+shift,y], {c:color,p:p}));
 				// Captures
-				if (y>0 && this.canTake([x,y], [x+shift,y-1]) && this.board[x+shift][y-1] != V.EMPTY)
+				if (y>0 && this.canTake([x,y], [x+shift,y-1])
+					&& this.board[x+shift][y-1] != V.EMPTY)
+				{
 					moves.push(this.getBasicMove([x,y], [x+shift,y-1], {c:color,p:p}));
-				if (y<sizeY-1 && this.canTake([x,y], [x+shift,y+1]) && this.board[x+shift][y+1] != V.EMPTY)
+				}
+				if (y<sizeY-1 && this.canTake([x,y], [x+shift,y+1])
+					&& this.board[x+shift][y+1] != V.EMPTY)
+				{
 					moves.push(this.getBasicMove([x,y], [x+shift,y+1], {c:color,p:p}));
+				}
 			});
 		}
 
@@ -134,6 +147,8 @@ class GrandRules extends ChessRules
 		return moves;
 	}
 
+	// TODO: different castle?
+
 	getPotentialMarshallMoves(sq)
 	{
 		const V = VariantRules;
@@ -159,19 +174,21 @@ class GrandRules extends ChessRules
 	{
 		const V = VariantRules;
 		return this.isAttackedBySlideNJump(sq, colors, V.MARSHALL, V.steps[V.ROOK])
-			|| this.isAttackedBySlideNJump(sq, colors, V.MARSHALL, V.steps[V.KNIGHT], "oneStep");
+			|| this.isAttackedBySlideNJump(
+				sq, colors, V.MARSHALL, V.steps[V.KNIGHT], "oneStep");
 	}
 
 	isAttackedByCardinal(sq, colors)
 	{
 		const V = VariantRules;
 		return this.isAttackedBySlideNJump(sq, colors, V.CARDINAL, V.steps[V.BISHOP])
-			|| this.isAttackedBySlideNJump(sq, colors, V.CARDINAL, V.steps[V.KNIGHT], "oneStep");
+			|| this.isAttackedBySlideNJump(
+				sq, colors, V.CARDINAL, V.steps[V.KNIGHT], "oneStep");
 	}
 
-	play(move, ingame)
+	updateVariables(move)
 	{
-		super.play(move, ingame);
+		super.updateVariables(move);
 		if (move.vanish.length==2 && move.appear.length==1
 			&& move.vanish[1].p != VariantRules.PAWN)
 		{
@@ -183,13 +200,12 @@ class GrandRules extends ChessRules
 		}
 	}
 
-	undo(move)
+	unupdateVariables(move)
 	{
-		super.undo(move);
+		super.unupdateVariables(move);
 		if (move.vanish.length==2 && move.appear.length==1
 			&& move.vanish[1].p != VariantRules.PAWN)
 		{
-			// Capture: update this.captures
 			this.captures[move.vanish[1].c][move.vanish[1].p] =
 				Math.max(0, this.captures[move.vanish[1].c][move.vanish[1].p]-1);
 		}
@@ -202,12 +218,14 @@ class GrandRules extends ChessRules
 		);
 	}
 
+	static get SEARCH_DEPTH() { return 2; }
+
 	// TODO: this function could be generalized and shared better
 	static GenRandInitFen()
 	{
-		let pieces = [new Array(10), new Array(10)];
+		let pieces = { "w": new Array(10), "b": new Array(10) };
 		// Shuffle pieces on first and last rank
-		for (let c = 0; c <= 1; c++)
+		for (let c of ["w","b"])
 		{
 			let positions = _.range(10);
 
@@ -261,9 +279,9 @@ class GrandRules extends ChessRules
 			pieces[c][knight2Pos] = 'n';
 			pieces[c][rook2Pos] = 'r';
 		}
-		let fen = pieces[0].join("") +
+		let fen = pieces["b"].join("") +
 			"/pppppppppp/10/10/10/10/10/10/PPPPPPPPPP/" +
-			pieces[1].join("").toUpperCase() +
+			pieces["w"].join("").toUpperCase() +
 			" 1111";
 		return fen;
 	}