Add Perfect Chess, fix a bug in BaseGame when moving while choosing a promotion,...

[vchess.git] / client / src / variants / Grand.js

diff --git a/client/src/variants/Grand.js b/client/src/variants/Grand.js
index 359671b..f4a96ce 100644 (file)
--- a/client/src/variants/Grand.js
+++ b/client/src/variants/Grand.js
@@ -4,7 +4,7 @@ import { randInt } from "@/utils/alea";
 
 // NOTE: initial setup differs from the original; see
 // https://www.chessvariants.com/large.dir/freeling.html
-export const VariantRules = class GrandRules extends ChessRules {
+export class GrandRules extends ChessRules {
   static IsGoodFen(fen) {
     if (!ChessRules.IsGoodFen(fen)) return false;
     const fenParsed = V.ParseFen(fen);
@@ -39,6 +39,10 @@ export const VariantRules = class GrandRules extends ChessRules {
     return super.getFen() + " " + this.getCapturedFen();
   }
 
+  getFenForRepeat() {
+    return super.getFenForRepeat() + "_" + this.getCapturedFen();
+  }
+
   getCapturedFen() {
     let counts = [...Array(14).fill(0)];
     let i = 0;
@@ -83,12 +87,15 @@ export const VariantRules = class GrandRules extends ChessRules {
     return { x: 10, y: 10 };
   }
 
+  // Rook + knight:
   static get MARSHALL() {
     return "m";
-  } //rook+knight
+  }
+
+  // Bishop + knight
   static get CARDINAL() {
     return "c";
-  } //bishop+knight
+  }
 
   static get PIECES() {
     return ChessRules.PIECES.concat([V.MARSHALL, V.CARDINAL]);
@@ -219,7 +226,7 @@ export const VariantRules = class GrandRules extends ChessRules {
       for (let epsq of epSquare) {
         // TODO: some redundant checks
         if (epsq.x == x + shiftX && Math.abs(epsq.y - y) == 1) {
-          var enpassantMove = this.getBasicMove([x, y], [epsq.x, epsq.y]);
+          let enpassantMove = this.getBasicMove([x, y], [epsq.x, epsq.y]);
           // WARNING: the captured pawn may be diagonally behind us,
           // if it's a 3-squares jump and we take on 1st passing square
           const px = this.board[x][epsq.y] != V.EMPTY ? x : x - shiftX;
@@ -251,20 +258,20 @@ export const VariantRules = class GrandRules extends ChessRules {
     );
   }
 
-  isAttacked(sq, colors) {
+  isAttacked(sq, color) {
     return (
-      super.isAttacked(sq, colors) ||
-      this.isAttackedByMarshall(sq, colors) ||
-      this.isAttackedByCardinal(sq, colors)
+      super.isAttacked(sq, color) ||
+      this.isAttackedByMarshall(sq, color) ||
+      this.isAttackedByCardinal(sq, color)
     );
   }
 
-  isAttackedByMarshall(sq, colors) {
+  isAttackedByMarshall(sq, color) {
     return (
-      this.isAttackedBySlideNJump(sq, colors, V.MARSHALL, V.steps[V.ROOK]) ||
+      this.isAttackedBySlideNJump(sq, color, V.MARSHALL, V.steps[V.ROOK]) ||
       this.isAttackedBySlideNJump(
         sq,
-        colors,
+        color,
         V.MARSHALL,
         V.steps[V.KNIGHT],
         "oneStep"
@@ -272,12 +279,12 @@ export const VariantRules = class GrandRules extends ChessRules {
     );
   }
 
-  isAttackedByCardinal(sq, colors) {
+  isAttackedByCardinal(sq, color) {
     return (
-      this.isAttackedBySlideNJump(sq, colors, V.CARDINAL, V.steps[V.BISHOP]) ||
+      this.isAttackedBySlideNJump(sq, color, V.CARDINAL, V.steps[V.BISHOP]) ||
       this.isAttackedBySlideNJump(
         sq,
-        colors,
+        color,
         V.CARDINAL,
         V.steps[V.KNIGHT],
         "oneStep"
@@ -285,8 +292,8 @@ export const VariantRules = class GrandRules extends ChessRules {
     );
   }
 
-  updateVariables(move) {
-    super.updateVariables(move);
+  postPlay(move) {
+    super.postPlay(move);
     if (move.vanish.length == 2 && move.appear.length == 1) {
       // Capture: update this.captured
       this.captured[move.vanish[1].c][move.vanish[1].p]++;
@@ -297,8 +304,8 @@ export const VariantRules = class GrandRules extends ChessRules {
     }
   }
 
-  unupdateVariables(move) {
-    super.unupdateVariables(move);
+  postUndo(move) {
+    super.postUndo(move);
     if (move.vanish.length == 2 && move.appear.length == 1)
       this.captured[move.vanish[1].c][move.vanish[1].p]--;
     if (move.vanish[0].p != move.appear[0].p)
@@ -318,8 +325,9 @@ export const VariantRules = class GrandRules extends ChessRules {
 
   static GenRandInitFen(randomness) {
     if (randomness == 0) {
-      return "rnbqkmcbnr/pppppppppp/10/10/10/10/10/10/PPPPPPPPPP/RNBQKMCBNR " +
-        "w 0 1111 - 00000000000000";
+      // No castling in the official initial setup
+      return "r8r/1nbqkmcbn1/pppppppppp/10/10/10/10/PPPPPPPPPP/1NBQKMCBN1/R8R " +
+        "w 0 zzzz - 00000000000000";
     }
 
     let pieces = { w: new Array(10), b: new Array(10) };