From 107ace784b16575f80aa0169a58c6b7bdad15ae2 Mon Sep 17 00:00:00 2001
From: LOuroboros <lunosouroboros@gmail.com>
Date: Tue, 6 Dec 2022 06:18:18 -0300
Subject: [PATCH] Implemented Mycelium Might's effect

---
 include/battle_util.h |  1 +
 src/battle_main.c     |  4 ++++
 src/battle_util.c     | 16 ++++++++++++++++
 3 files changed, 21 insertions(+)

diff --git a/include/battle_util.h b/include/battle_util.h
index 8922cd8427..6d6361fc7d 100644
--- a/include/battle_util.h
+++ b/include/battle_util.h
@@ -205,5 +205,6 @@ bool32 CanBeConfused(u8 battlerId);
 bool32 IsBattlerTerrainAffected(u8 battlerId, u32 terrainFlag);
 u32 GetBattlerFriendshipScore(u8 battlerId);
 u32 CountBattlerStatIncreases(u8 battlerId, bool32 countEvasionAcc);
+bool32 IsMyceliumMightOnField(void);
 
 #endif // GUARD_BATTLE_UTIL_H
diff --git a/src/battle_main.c b/src/battle_main.c
index 42de8ac3a8..e9a88ecb6b 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -4673,6 +4673,10 @@ u8 GetWhoStrikesFirst(u8 battler1, u8 battler2, bool8 ignoreChosenMoves)
             strikesFirst = 1;
         else if (ability2 == ABILITY_STALL && ability1 != ABILITY_STALL)
             strikesFirst = 0;
+        else if (ability1 == ABILITY_MYCELIUM_MIGHT && ability2 != ABILITY_MYCELIUM_MIGHT && IS_MOVE_STATUS(gCurrentMove))
+            strikesFirst = 1;
+        else if (ability2 == ABILITY_MYCELIUM_MIGHT && ability1 != ABILITY_MYCELIUM_MIGHT && IS_MOVE_STATUS(gCurrentMove))
+            strikesFirst = 0;
         else
         {
             if (speedBattler1 == speedBattler2 && Random() & 1)
diff --git a/src/battle_util.c b/src/battle_util.c
index d8068ef301..527fbd5d0d 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -6338,6 +6338,19 @@ bool32 IsNeutralizingGasOnField(void)
     return FALSE;
 }
 
+bool32 IsMyceliumMightOnField(void)
+{
+    u32 i;
+
+    for (i = 0; i < gBattlersCount; i++)
+    {
+        if (IsBattlerAlive(i) && gBattleMons[i].ability == ABILITY_MYCELIUM_MIGHT && IS_MOVE_STATUS(gCurrentMove))
+            return TRUE;
+    }
+
+    return FALSE;
+}
+
 u32 GetBattlerAbility(u8 battlerId)
 {
     if (gStatuses3[battlerId] & STATUS3_GASTRO_ACID)
@@ -6346,6 +6359,9 @@ u32 GetBattlerAbility(u8 battlerId)
     if (IsNeutralizingGasOnField() && !IsNeutralizingGasBannedAbility(gBattleMons[battlerId].ability))
         return ABILITY_NONE;
 
+    if (IsMyceliumMightOnField())
+        return ABILITY_NONE;
+
     if ((((gBattleMons[gBattlerAttacker].ability == ABILITY_MOLD_BREAKER
             || gBattleMons[gBattlerAttacker].ability == ABILITY_TERAVOLT
             || gBattleMons[gBattlerAttacker].ability == ABILITY_TURBOBLAZE)