From: Benjamin Auder <benjamin.auder@somewhere>
Date: Thu, 16 Apr 2020 15:53:57 +0000 (+0200)
Subject: Fix Alice rules (en passant)
X-Git-Url: https://git.auder.net/js/doc/%3C?a=commitdiff_plain;h=294fe29f8da44f47df48a21b17f4822ecf821890;p=vchess.git

Fix Alice rules (en passant)
---

diff --git a/client/src/base_rules.js b/client/src/base_rules.js
index ec949fcc..53001f63 100644
--- a/client/src/base_rules.js
+++ b/client/src/base_rules.js
@@ -807,6 +807,7 @@ export const ChessRules = class ChessRules {
         this.getEnpassantCaptures([x, y], pawnShiftX)
       );
     }
+
     return pMoves;
   }
 
diff --git a/client/src/variants/Alice.js b/client/src/variants/Alice.js
index 57de5683..15e629a4 100644
--- a/client/src/variants/Alice.js
+++ b/client/src/variants/Alice.js
@@ -173,49 +173,15 @@ export class AliceRules extends ChessRules {
         m.vanish.length == 2 &&
         this.board[m.end.x][m.end.y] == V.EMPTY
       ) {
-        m.vanish[1].c = V.GetOppCol(this.getColor(x, y));
-        // In the special case of en-passant, if
-        //  - board1 takes board2 : vanish[1] --> Alice
-        //  - board2 takes board1 : vanish[1] --> normal
-        let van = m.vanish[1];
-        if (mirrorSide == 1 && codes.includes(this.getPiece(van.x, van.y)))
-          van.p = V.ALICE_CODES[van.p];
-        else if (
-          mirrorSide == 2 &&
-          pieces.includes(this.getPiece(van.x, van.y))
-        )
-          van.p = V.ALICE_PIECES[van.p];
+        m.vanish[1].c = V.GetOppCol(this.turn);
+        const [epX, epY] = [m.vanish[1].x, m.vanish[1].y];
+        m.vanish[1].p = this.getPiece(epX, epY);
       }
       return true;
     });
     return res;
   }
 
-  getEnpassantCaptures([x, y], shiftX) {
-    const Lep = this.epSquares.length;
-    const epSquare = this.epSquares[Lep - 1]; //always at least one element
-    let enpassantMove = null;
-    if (
-      !!epSquare &&
-      epSquare.x == x + shiftX &&
-      Math.abs(epSquare.y - y) == 1
-    ) {
-      enpassantMove = this.getBasicMove([x, y], [epSquare.x, epSquare.y]);
-      // May capture in same world or different:
-      const capturedPiece =
-        this.board[x][epSquare.y] != V.EMPTY
-          ? this.getPiece(x, epSquare.y)
-          : ['p','s'][1 - "ps".indexOf(this.getPiece(x, y))];
-      enpassantMove.vanish.push({
-        x: x,
-        y: epSquare.y,
-        p: capturedPiece,
-        c: V.GetOppCol(this.turn)
-      });
-    }
-    return !!enpassantMove ? [enpassantMove] : [];
-  }
-
   filterValid(moves, sideBoard) {
     if (moves.length == 0) return [];
     if (!sideBoard) sideBoard = [this.getSideBoard(1), this.getSideBoard(2)];