From 1953e8dbe9a4003bd83c3c73ccaff983c7ea4b89 Mon Sep 17 00:00:00 2001
From: AJ Fontaine <36677462+Fontbane@users.noreply.github.com>
Date: Fri, 20 Dec 2024 17:10:23 -0500
Subject: [PATCH] [Balance] Check previous level moves for redundancy when
 spawning TMs (#4996)

---
 src/modifier/modifier-type.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/modifier/modifier-type.ts b/src/modifier/modifier-type.ts
index 57b3ced1813..540af8a0b41 100644
--- a/src/modifier/modifier-type.ts
+++ b/src/modifier/modifier-type.ts
@@ -1093,7 +1093,10 @@ class TmModifierTypeGenerator extends ModifierTypeGenerator {
       if (pregenArgs && (pregenArgs.length === 1) && (pregenArgs[0] in Moves)) {
         return new TmModifierType(pregenArgs[0] as Moves);
       }
-      const partyMemberCompatibleTms = party.map(p => (p as PlayerPokemon).compatibleTms.filter(tm => !p.moveset.find(m => m?.moveId === tm)));
+      const partyMemberCompatibleTms = party.map(p => {
+        const previousLevelMoves = p.getLearnableLevelMoves();
+        return (p as PlayerPokemon).compatibleTms.filter(tm => !p.moveset.find(m => m?.moveId === tm) && !previousLevelMoves.find(lm=>lm === tm));
+      });
       const tierUniqueCompatibleTms = partyMemberCompatibleTms.flat().filter(tm => tmPoolTiers[tm] === tier).filter(tm => !allMoves[tm].name.endsWith(" (N)")).filter((tm, i, array) => array.indexOf(tm) === i);
       if (!tierUniqueCompatibleTms.length) {
         return null;