X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FSwitching.js;fp=public%2Fjavascripts%2Fvariants%2FSwitching.js;h=0000000000000000000000000000000000000000;hb=625022fdcf750f0aff8fcd699f7e9b89730e1d10;hp=04bb110c0489ad3f56ae2abdc9d61aafa8da1fce;hpb=b955c65b942d09d24b5c3bed0d755d4f2f8f71f1;p=vchess.git

diff --git a/public/javascripts/variants/Switching.js b/public/javascripts/variants/Switching.js
deleted file mode 100644
index 04bb110c..00000000
--- a/public/javascripts/variants/Switching.js
+++ /dev/null
@@ -1,135 +0,0 @@
-class SwitchingRules extends ChessRules
-{
-	// Build switch move between squares x1,y1 and x2,y2
-	getSwitchMove_s([x1,y1],[x2,y2])
-	{
-		const c = this.getColor(x1,y1); //same as color at square 2
-		const p1 = this.getPiece(x1,y1);
-		const p2 = this.getPiece(x2,y2);
-		if (p1 == V.KING && p2 == V.ROOK)
-			return []; //avoid duplicate moves (potential conflict with castle)
-		let move = new Move({
-			appear: [
-				new PiPo({x:x2,y:y2,c:c,p:p1}),
-				new PiPo({x:x1,y:y1,c:c,p:p2})
-			],
-			vanish: [
-				new PiPo({x:x1,y:y1,c:c,p:p1}),
-				new PiPo({x:x2,y:y2,c:c,p:p2})
-			],
-			start: {x:x1,y:y1},
-			end: {x:x2,y:y2}
-		});
-		// Move completion: promote switched pawns (as in Magnetic)
-		const lastRank = (c == "w" ? 0 : V.size.x-1);
-		let moves = [];
-		if ((p1==V.PAWN && x2==lastRank) || (p2==V.PAWN && x1==lastRank))
-		{
-			const idx = (p1==V.PAWN ? 0 : 1);
-			move.appear[idx].p = V.ROOK;
-			moves.push(move);
-			for (let piece of [V.KNIGHT, V.BISHOP, V.QUEEN])
-			{
-				let cmove = JSON.parse(JSON.stringify(move));
-				cmove.appear[idx].p = piece;
-				moves.push(cmove);
-			}
-			if (idx == 1)
-			{
-				// Swap moves[i].appear[0] and [1] for moves presentation [TODO...]
-				moves.forEach(m => {
-					let tmp = m.appear[0];
-					m.appear[0] = m.appear[1];
-					m.appear[1] = tmp;
-				});
-			}
-		}
-		else //other cases
-			moves.push(move);
-		return moves;
-	}
-
-	getPotentialMovesFrom([x,y], computer)
-	{
-		let moves = super.getPotentialMovesFrom([x,y]);
-		// Add switches: respecting chessboard ordering if "computer" is on
-		const color = this.turn;
-		const piece = this.getPiece(x,y);
-		const steps = V.steps[V.ROOK].concat(V.steps[V.BISHOP]);
-		const kp = this.kingPos[color];
-		const oppCol = V.GetOppCol(color);
-		for (let step of steps)
-		{
-			let [i,j] = [x+step[0],y+step[1]];
-			if (!!computer && (i<x || (i==x && j<y)))
-				continue; //only switch with superior indices
-			if (V.OnBoard(i,j) && this.board[i][j]!=V.EMPTY
-				&& this.getColor(i,j)==color && this.getPiece(i,j)!=piece
-				// No switching under check (theoretically non-king pieces could, but not)
-				&& !this.isAttacked(kp, [oppCol]))
-			{
-				let switchMove_s = this.getSwitchMove_s([x,y],[i,j]);
-				if (switchMove_s.length == 1)
-					moves.push(switchMove_s[0]);
-				else //promotion
-					moves = moves.concat(switchMove_s);
-			}
-		}
-		return moves;
-	}
-
-	getAllValidMoves(computer)
-	{
-		const color = this.turn;
-		const oppCol = V.GetOppCol(color);
-		let potentialMoves = [];
-		for (let i=0; i<V.size.x; i++)
-		{
-			for (let j=0; j<V.size.y; j++)
-			{
-				if (this.board[i][j] != V.EMPTY && this.getColor(i,j) == color)
-				{
-					Array.prototype.push.apply(potentialMoves,
-						this.getPotentialMovesFrom([i,j], computer));
-				}
-			}
-		}
-		return this.filterValid(potentialMoves);
-	}
-
-	updateVariables(move)
-	{
-		super.updateVariables(move);
-		if (move.appear.length == 2 && move.vanish.length == 2
-			&& move.appear[1].p == V.KING)
-		{
-			// Switch with the king; not castle, and not handled by main class
-			const color = move.vanish[0].c;
-			this.kingPos[color] = [move.appear[1].x, move.appear[1].y];
-		}
-	}
-
-	unupdateVariables(move)
-	{
-		super.unupdateVariables(move);
-		if (move.appear.length == 2 && move.vanish.length == 2
-			&& move.appear[1].p == V.KING)
-		{
-			const color = move.vanish[0].c;
-			this.kingPos[color] = [move.appear[0].x, move.appear[0].y];
-		}
-	}
-
-	static get SEARCH_DEPTH() { return 2; } //high branching factor
-
-	getNotation(move)
-	{
-		if (move.appear.length == 1)
-			return super.getNotation(move); //no switch
-		// Switch or castle
-		if (move.appear[0].p == V.KING && move.appear[1].p == V.ROOK)
-			return (move.end.y < move.start.y ? "0-0-0" : "0-0");
-		// Switch:
-		return "S" + V.CoordsToSquare(move.start) + V.CoordsToSquare(move.end);
-	}
-}