From ffa5d45d31403920478fb3aba606029f134e2be9 Mon Sep 17 00:00:00 2001
From: yukirij <yukirij@yukiri.net>
Date: Sun, 18 Aug 2024 17:25:47 -0700
Subject: [PATCH] Fix server promotion check.

---
 game/src/game/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/game/src/game/mod.rs b/game/src/game/mod.rs
index 661628a..66e1f13 100644
--- a/game/src/game/mod.rs
+++ b/game/src/game/mod.rs
@@ -94,7 +94,7 @@ impl Game {
 
                     // Check if piece is promoted.
                     let hex = Hex::from_tile(play.from);
-                    let offset = (piece.player as i8 * 2) - 1;
+                    let offset = -(piece.player as i8 * 2) + 1;
                     if !piece.promoted && !Hex::is_valid(hex.x() as i8, hex.y() as i8 + offset) {
                         if let Some(piece) = &mut self.board.pieces[pid as usize] {
                             piece.promoted = true;