Some code cleaning + clarifying (TODO: work on variables names)
[vchess.git] / public / javascripts / variants / Grand.js
index 844d62c..9e1504d 100644 (file)
@@ -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)
@@ -84,10 +85,16 @@ 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))
@@ -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}));
+                               }
                        });
                }
 
@@ -161,14 +174,16 @@ 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");
        }
 
        updateVariables(move)
@@ -208,9 +223,9 @@ class GrandRules extends ChessRules
        // 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);
 
@@ -264,9 +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;
        }