X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FAtomic.js;h=255444f2f026abec77b411793ce71052ff8aaf6b;hb=26b8e4f7c71030d49e44fe1d89632ef91b886d67;hp=0fd7647e62414ec5edf60f38604a9a640d422ee5;hpb=d3334c3a9ee5edc9412d2c95adfc752b72057168;p=vchess.git

diff --git a/public/javascripts/variants/Atomic.js b/public/javascripts/variants/Atomic.js
index 0fd7647e..255444f2 100644
--- a/public/javascripts/variants/Atomic.js
+++ b/public/javascripts/variants/Atomic.js
@@ -1,23 +1,24 @@
 class AtomicRules extends ChessRules
 {
-	getPotentialMovesFrom([x,y], c, lastMove)
+	getPotentialMovesFrom([x,y])
 	{
-		let moves = super.getPotentialMovesFrom([x,y], c, lastMove);
+		let moves = super.getPotentialMovesFrom([x,y]);
 
 		// Handle explosions
 		moves.forEach(m => {
 			if (m.vanish.length > 1 && m.appear.length <= 1) //avoid castles
 			{
-				// Explosion! TODO: drop moves which explode our king here
+				// Explosion! TODO(?): drop moves which explode our king here
 				let steps = [ [-1,-1],[-1,0],[-1,1],[0,-1],[0,1],[1,-1],[1,0],[1,1] ];
 				for (let step of steps)
 				{
 					let x = m.end.x + step[0];
 					let y = m.end.y + step[1];
-					if (x>=0 && x<8 && y>=0 && y<8 && this.board[x][y] != VariantRules.EMPTY
-						&& this.getPiece(x,y) != VariantRules.PAWN)
+					if (V.OnBoard(x,y) && this.board[x][y] != V.EMPTY
+						&& this.getPiece(x,y) != V.PAWN)
 					{
-						m.vanish.push(new PiPo({p:this.getPiece(x,y),c:this.getColor(x,y),x:x,y:y}));
+						m.vanish.push(
+							new PiPo({p:this.getPiece(x,y),c:this.getColor(x,y),x:x,y:y}));
 					}
 				}
 				m.end = {x:m.appear[0].x, y:m.appear[0].y};
@@ -28,69 +29,58 @@ class AtomicRules extends ChessRules
 		return moves;
 	}
 
-	getPotentialKingMoves(x, y, c)
+	getPotentialKingMoves([x,y])
 	{
 		// King cannot capture:
 		let moves = [];
-		let [sizeX,sizeY] = VariantRules.size;
-		const steps = VariantRules.steps[VariantRules.QUEEN];
+		const steps = V.steps[V.ROOK].concat(V.steps[V.BISHOP]);
 		for (let step of steps)
 		{
-			var i = x + step[0];
-			var j = y + step[1];
-			if (i>=0 && i<sizeX && j>=0 && j<sizeY && this.board[i][j] == VariantRules.EMPTY)
-				moves.push(this.getBasicMove(x, y, i, j));
+			const i = x + step[0];
+			const j = y + step[1];
+			if (V.OnBoard(i,j) && this.board[i][j] == V.EMPTY)
+				moves.push(this.getBasicMove([x,y], [i,j]));
 		}
-		return moves.concat(this.getCastleMoves(x,y,c));
+		return moves.concat(this.getCastleMoves([x,y]));
 	}
 
-	isAttacked(sq, color)
+	isAttacked(sq, colors)
 	{
-		if (this.getPiece(sq[0],sq[1]) == VariantRules.KING && this.isAttackedByKing(sq, color))
+		if (this.getPiece(sq[0],sq[1]) == V.KING && this.isAttackedByKing(sq, colors))
 			return false; //king cannot take...
-		return (this.isAttackedByPawn(sq, color)
-			|| this.isAttackedByRook(sq, color)
-			|| this.isAttackedByKnight(sq, color)
-			|| this.isAttackedByBishop(sq, color)
-			|| this.isAttackedByQueen(sq, color));
+		return (this.isAttackedByPawn(sq, colors)
+			|| this.isAttackedByRook(sq, colors)
+			|| this.isAttackedByKnight(sq, colors)
+			|| this.isAttackedByBishop(sq, colors)
+			|| this.isAttackedByQueen(sq, colors));
 	}
 
 	updateVariables(move)
 	{
 		super.updateVariables(move);
-
-		const c = this.getColor(move.start.x,move.start.y);
-		// Next condition to avoid conflicts with harmless castle moves
-		if (c != this.getColor(move.end.x,move.end.y)
-			&& this.board[move.end.x][move.end.y] != VariantRules.EMPTY)
+		const color = move.vanish[0].c;
+		if (move.appear.length == 0) //capture
 		{
-			const oppCol = this.getOppCol(c);
-			const oppFirstRank = (oppCol == "w" ? 7 : 0);
-
-			// Did we explode our king ? (TODO: remove move earlier)
-			if (Math.abs(this.kingPos[c][0]-move.end.x) <= 1
-				&& Math.abs(this.kingPos[c][1]-move.end.y) <= 1)
-			{
-				this.kingPos[c] = [-1,-1];
-				this.flags[c] = [false,false];
-			}
-
-			// Did we explode opponent king ?
-			if (Math.abs(this.kingPos[oppCol][0]-move.end.x) <= 1
-				&& Math.abs(this.kingPos[oppCol][1]-move.end.y) <= 1)
-			{
-				this.kingPos[oppCol] = [-1,-1];
-				this.flags[oppCol] = [false,false];
-			}
-			else
+			const firstRank = {"w": 7, "b": 0};
+			for (let c of ["w","b"])
 			{
-				// Now check if opponent init rook(s) exploded
-				if (Math.abs(move.end.x-oppFirstRank) <= 1)
+				// Did we explode king of color c ? (TODO: remove move earlier)
+				if (Math.abs(this.kingPos[c][0]-move.end.x) <= 1
+					&& Math.abs(this.kingPos[c][1]-move.end.y) <= 1)
 				{
-					if (Math.abs(move.end.y-this.INIT_COL_ROOK[oppCol][0]) <= 1)
-						this.flags[oppCol][0] = false;
-					if (Math.abs(move.end.y-this.INIT_COL_ROOK[oppCol][1]) <= 1)
-						this.flags[oppCol][1] = false;
+					this.kingPos[c] = [-1,-1];
+					this.castleFlags[c] = [false,false];
+				}
+				else
+				{
+					// Now check if init rook(s) exploded
+					if (Math.abs(move.end.x-firstRank[c]) <= 1)
+					{
+						if (Math.abs(move.end.y-this.INIT_COL_ROOK[c][0]) <= 1)
+							this.castleFlags[c][0] = false;
+						if (Math.abs(move.end.y-this.INIT_COL_ROOK[c][1]) <= 1)
+							this.castleFlags[c][1] = false;
+					}
 				}
 			}
 		}
@@ -99,8 +89,8 @@ class AtomicRules extends ChessRules
 	unupdateVariables(move)
 	{
 		super.unupdateVariables(move);
-		const c = this.getColor(move.start.x,move.start.y);
-		const oppCol = this.getOppCol(c);
+		const c = move.vanish[0].c;
+		const oppCol = V.GetOppCol(c);
 		if ([this.kingPos[c][0],this.kingPos[oppCol][0]].some(e => { return e < 0; }))
 		{
 			// There is a chance that last move blowed some king away..
@@ -112,45 +102,43 @@ class AtomicRules extends ChessRules
 		}
 	}
 
-	underCheck(move, c)
+	underCheck(color)
 	{
-		const oppCol = this.getOppCol(c);
-		this.play(move);
+		const oppCol = V.GetOppCol(color);
 		let res = undefined;
 		// If our king disappeared, move is not valid
-		if (this.kingPos[c][0] < 0)
+		if (this.kingPos[color][0] < 0)
 			res = true;
 		// If opponent king disappeared, move is valid
 		else if (this.kingPos[oppCol][0] < 0)
 			res = false;
 		// Otherwise, if we remain under check, move is not valid
 		else
-			res = this.isAttacked(this.kingPos[c], oppCol);
-		this.undo(move);
+			res = this.isAttacked(this.kingPos[color], [oppCol]);
 		return res;
 	}
 
-	getCheckSquares(move, c)
+	getCheckSquares(color)
 	{
-		const saveKingPos = this.kingPos[c]; //king might explode
-		this.play(move);
 		let res = [ ];
-		if (this.kingPos[c][0] < 0)
-			res = [saveKingPos];
-		else if (this.isAttacked(this.kingPos[c], this.getOppCol(c)))
-			res = [ this.kingPos[c] ]
-		this.undo(move);
+		if (this.kingPos[color][0] >= 0 //king might have exploded
+			&& this.isAttacked(this.kingPos[color], [V.GetOppCol(color)]))
+		{
+			res = [ JSON.parse(JSON.stringify(this.kingPos[color])) ]
+		}
 		return res;
 	}
 
-	checkGameEnd(color)
+	checkGameEnd()
 	{
+		const color = this.turn;
 		const kp = this.kingPos[color];
 		if (kp[0] < 0) //king disappeared
 			return color == "w" ? "0-1" : "1-0";
-		if (!this.isAttacked(kp, this.getOppCol(color)))
+		if (!this.isAttacked(kp, [V.GetOppCol(color)]))
 			return "1/2";
-		// Checkmate
-		return color == "w" ? "0-1" : "1-0";
+		return color == "w" ? "0-1" : "1-0"; //checkmate
 	}
 }
+
+const VariantRules = AtomicRules;