From 55326ea422997d8229d44adf9300a0d363f3e6e9 Mon Sep 17 00:00:00 2001
From: SatoMew <SatoMew@users.noreply.github.com>
Date: Mon, 13 Sep 2021 00:00:00 +0100
Subject: Add fix to disallow negative current HP values

---
 src/pokemon_1.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/pokemon_1.c b/src/pokemon_1.c
index 4670f188f..76f5f3dfe 100644
--- a/src/pokemon_1.c
+++ b/src/pokemon_1.c
@@ -1754,8 +1754,14 @@ void CalculateMonStats(struct Pokemon *mon)
     {
         if (currentHP == 0 && oldMaxHP == 0)
             currentHP = newMaxHP;
-        else if (currentHP != 0)
+        else if (currentHP != 0) {
+            // BUG: currentHP is unintentionally able to become <= 0 after the instruction below.
             currentHP += newMaxHP - oldMaxHP;
+            #ifdef BUGFIX
+            if (currentHP <= 0)
+                currentHP = 1;
+            #endif
+        }
         else
             return;
     }
-- 
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