Code simplification + a few fixes
[vchess.git] / public / javascripts / variants / Atomic.js
index 28ee1f2..e2f8ea3 100644 (file)
@@ -14,8 +14,8 @@ class AtomicRules extends ChessRules
                                {
                                        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}));
@@ -31,16 +31,14 @@ class AtomicRules extends ChessRules
 
        getPotentialKingMoves([x,y])
        {
-               const V = VariantRules;
                // King cannot capture:
                let moves = [];
-               let [sizeX,sizeY] = V.size;
                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)
+                       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]));
@@ -48,11 +46,8 @@ class AtomicRules extends ChessRules
 
        isAttacked(sq, colors)
        {
-               if (this.getPiece(sq[0],sq[1]) == VariantRules.KING
-                       && this.isAttackedByKing(sq, colors))
-               {
+               if (this.getPiece(sq[0],sq[1]) == V.KING && this.isAttackedByKing(sq, colors))
                        return false; //king cannot take...
-               }
                return (this.isAttackedByPawn(sq, colors)
                        || this.isAttackedByRook(sq, colors)
                        || this.isAttackedByKnight(sq, colors)