Fix Koopa variant: always allow castlin with a non-stunned rook

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

diff --git a/client/src/variants/Koopa.js b/client/src/variants/Koopa.js
index dbce842..27c147a 100644 (file)
--- a/client/src/variants/Koopa.js
+++ b/client/src/variants/Koopa.js
@@ -205,6 +205,16 @@ export class KoopaRules extends ChessRules {
     return moves.concat(promoteAfterStun);
   }
 
+  getPotentialKingMoves(sq) {
+    return (
+      this.getSlideNJumpMoves(
+        sq,
+        V.steps[V.ROOK].concat(V.steps[V.BISHOP]),
+        "oneStep"
+      ).concat(super.getCastleMoves(sq, true, ['r']))
+    );
+  }
+
   filterValid(moves) {
     // Forbid kicking own king out
     const color = this.turn;