Add paranoid safeguard against impossible case.

1 files changed, 5 insertions, 1 deletions

diff --git a/rules.js b/rules.js
index 078024f..a93cde7 100644
--- a/rules.js
+++ b/rules.js
@@ -163,7 +163,11 @@ function setup_player_turn(faction_id) {
         next();
     }
     else {
-        setup_player_turn(get_next_faction_in_player_order(next_faction));
+        const next_next_faction = get_next_faction_in_player_order(next_faction);
+        if (game.selected_cards[next_next_faction].length > 0)
+            setup_player_turn(get_next_faction_in_player_order(next_next_faction));
+        else
+            throw new Error("impossible situation");
     }
 }
 function check_end_of_year_discard() {