From 5e6eba3af33877401090b8b78103f104fb68be10 Mon Sep 17 00:00:00 2001
From: Spirtix <michal.prazak1@gmail.com>
Date: Tue, 15 Aug 2023 14:59:47 +0200
Subject: [PATCH] fix null growth state when hatching some dragons

---
 src/Services/AchievementService.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Services/AchievementService.cs b/src/Services/AchievementService.cs
index fb74b1f..5743dc8 100644
--- a/src/Services/AchievementService.cs
+++ b/src/Services/AchievementService.cs
@@ -44,7 +44,7 @@ namespace sodoff.Services {
         }
 
         public void DragonLevelUpOnAgeUp(Dragon dragon, RaisedPetGrowthState oldGrowthState, RaisedPetGrowthState newGrowthState) {
-            if (newGrowthState.Order > oldGrowthState.Order) {
+            if (oldGrowthState is null || newGrowthState.Order > oldGrowthState.Order) {
                 // age up
                 int dragonXP = dragon.PetXP ?? 0;
                 if (newGrowthState.Order == 4 && dragonXP < dragonAdultMinXP) {