Add fix to disallow negative current HP values

1 files changed, 7 insertions, 1 deletions

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;
     }