X-Git-Url: https://git.auder.net/?a=blobdiff_plain;ds=sidebyside;f=client%2Fsrc%2Fvariants%2FGrasshopper.js;h=fb8c27cda7e5efee0ffb401d8dad06915b28a9e3;hb=78c23cd6e4717d6d07c84177b515c6e03717da7e;hp=416f63256a078ab5c7dd217ca09eb6729b6bf145;hpb=b83a675a3066c67cc7843ae27ad8aeffd15b0976;p=vchess.git

diff --git a/client/src/variants/Grasshopper.js b/client/src/variants/Grasshopper.js
index 416f6325..fb8c27cd 100644
--- a/client/src/variants/Grasshopper.js
+++ b/client/src/variants/Grasshopper.js
@@ -2,11 +2,22 @@ import { ChessRules } from "@/base_rules";
 import { ArrayFun } from "@/utils/array";
 import { randInt } from "@/utils/alea";
 
-export const VariantRules = class GrasshopperRules extends ChessRules {
+export class GrasshopperRules extends ChessRules {
   static get HasEnpassant() {
     return false;
   }
 
+  static get PawnSpecs() {
+    return Object.assign(
+      {},
+      ChessRules.PawnSpecs,
+      {
+        twoSquares: false,
+        promotions: ChessRules.PawnSpecs.promotions.concat([V.GRASSHOPPER])
+      }
+    );
+  }
+
   static get GRASSHOPPER() {
     return "g";
   }
@@ -91,14 +102,14 @@ export const VariantRules = class GrasshopperRules extends ChessRules {
     return moves;
   }
 
-  isAttacked(sq, colors) {
+  isAttacked(sq, color) {
     return (
-      super.isAttacked(sq, colors) ||
-      this.isAttackedByGrasshopper(sq, colors)
+      super.isAttacked(sq, color) ||
+      this.isAttackedByGrasshopper(sq, color)
     );
   }
 
-  isAttackedByGrasshopper([x, y], colors) {
+  isAttackedByGrasshopper([x, y], color) {
     // Reversed process: is there an adjacent obstacle,
     // and a grasshopper next in the same line?
     for (const step of V.steps[V.ROOK].concat(V.steps[V.BISHOP])) {
@@ -116,7 +127,7 @@ export const VariantRules = class GrasshopperRules extends ChessRules {
         if (
           V.OnBoard(i, j) &&
           this.getPiece(i, j) == V.GRASSHOPPER &&
-          colors.includes(this.getColor(i, j))
+          this.getColor(i, j) == color
         ) {
           return true;
         }
@@ -139,7 +150,7 @@ export const VariantRules = class GrasshopperRules extends ChessRules {
 
   static GenRandInitFen(randomness) {
     return ChessRules.GenRandInitFen(randomness)
-      .replace("w 0 1111 -", "w 0 1111")
+      .slice(0, -2)
       .replace(
         "/pppppppp/8/8/8/8/PPPPPPPP/",
         "/gggggggg/pppppppp/8/8/PPPPPPPP/GGGGGGGG/"