Attempt to not throw exception on server socket error
[vchess.git] / public / javascripts / base_rules.js
index 71695c4..860495a 100644 (file)
@@ -10,6 +10,7 @@ class PiPo //Piece+Position
        }
 }
 
+// TODO: for animation, moves should contains "moving" and "fading" maybe...
 class Move
 {
        // o: {appear, vanish, [start,] [end,]}
@@ -821,7 +822,9 @@ class ChessRules
                this.shouldReturn = false;
                const maxeval = VariantRules.INFINITY;
                const color = this.turn;
-               let moves1 = this.getAllValidMoves();
+               // Some variants may show a bigger moves list to the human (Switching),
+               // thus the argument "computer" below (which is generally ignored)
+               let moves1 = this.getAllValidMoves("computer");
 
                // Can I mate in 1 ? (for Magnetic & Extinction)
                for (let i of _.shuffle(_.range(moves1.length)))
@@ -843,7 +846,7 @@ class ChessRules
                        {
                                eval2 = (color=="w" ? 1 : -1) * maxeval; //initialized with checkmate value
                                // Second half-move:
-                               let moves2 = this.getAllValidMoves();
+                               let moves2 = this.getAllValidMoves("computer");
                                for (let j=0; j<moves2.length; j++)
                                {
                                        this.play(moves2[j]);
@@ -921,7 +924,7 @@ class ChessRules
                }
                if (depth == 0)
       return this.evalPosition();
-               const moves = this.getAllValidMoves();
+               const moves = this.getAllValidMoves("computer");
     let v = color=="w" ? -maxeval : maxeval;
                if (color == "w")
                {
@@ -1074,7 +1077,7 @@ class ChessRules
                for (let i of ['w','b'])
                {
                        for (let j=0; j<2; j++)
-                               fen += this.castleFlags[i][j] ? '1' : '0';
+                               fen += (this.castleFlags[i][j] ? '1' : '0');
                }
                return fen;
        }
@@ -1082,14 +1085,8 @@ class ChessRules
        // Context: just before move is played, turn hasn't changed
        getNotation(move)
        {
-               if (move.appear.length == 2 && move.appear[0].p == VariantRules.KING)
-               {
-                       // Castle
-                       if (move.end.y < move.start.y)
-                               return "0-0-0";
-                       else
-                               return "0-0";
-               }
+               if (move.appear.length == 2 && move.appear[0].p == VariantRules.KING) //castle
+                       return (move.end.y < move.start.y ? "0-0-0" : "0-0");
 
                // Translate final square
                const finalSquare =
@@ -1134,12 +1131,13 @@ class ChessRules
        // The score is already computed when calling this function
        getPGN(mycolor, score, fenStart, mode)
        {
+               const zeroPad = x => { return (x<10 ? "0" : "") + x; };
                let pgn = "";
                pgn += '[Site "vchess.club"]<br>';
                const d = new Date();
                const opponent = mode=="human" ? "Anonymous" : "Computer";
                pgn += '[Variant "' + variant + '"]<br>';
-               pgn += '[Date "' + d.getFullYear() + '-' + (d.getMonth()+1) + '-' + d.getDate() + '"]<br>';
+               pgn += '[Date "' + d.getFullYear() + '-' + (d.getMonth()+1) + '-' + zeroPad(d.getDate()) + '"]<br>';
                pgn += '[White "' + (mycolor=='w'?'Myself':opponent) + '"]<br>';
                pgn += '[Black "' + (mycolor=='b'?'Myself':opponent) + '"]<br>';
                pgn += '[FenStart "' + fenStart + '"]<br>';