From 22e6e2a0405e1af7abb9f271e520abeda76ef586 Mon Sep 17 00:00:00 2001
From: necrashter <iiilker99@gmail.com>
Date: Fri, 8 Dec 2023 14:51:54 +0300
Subject: [PATCH] Fix a bug that causes tutorial upgrades to appear in late
 game

---
 src/upgrade.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/upgrade.rs b/src/upgrade.rs
index f05e680..dcca02f 100644
--- a/src/upgrade.rs
+++ b/src/upgrade.rs
@@ -272,7 +272,12 @@ impl UpgradeSequence {
         // Then, (weighted) randomly choose from those upgrades for the available slots
         ALL_UPGRADE_KINDS
             .into_iter()
-            .filter(|&kind| upgrade_list[kind].is_unlocked(simulation, outline))
+            .filter(|&kind| {
+                let upgrade = &upgrade_list[kind];
+                // This prevents the tutorial upgrades from being offered when
+                // all other upgrades are exhausted.
+                upgrade.weight > 0.0 && upgrade.is_unlocked(simulation, outline)
+            })
             .collect::<Vec<_>>()
             .choose_multiple_weighted(&mut thread_rng(), self.slots, |&kind| {
                 upgrade_list[kind].weight