From ad9f482e7640e8f7c2b214ee6e9cabd7f6960064 Mon Sep 17 00:00:00 2001
From: WinDanesz <31292708+WinDanesz@users.noreply.github.com>
Date: Wed, 28 Jun 2023 13:55:09 +0200
Subject: [PATCH] fix: Fixed a bug that prevented NPCs (wizards) from casting
 certain buff spells

---
 src/main/java/electroblob/wizardry/spell/SpellBuff.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/electroblob/wizardry/spell/SpellBuff.java b/src/main/java/electroblob/wizardry/spell/SpellBuff.java
index 30fb464e..b767a6f2 100644
--- a/src/main/java/electroblob/wizardry/spell/SpellBuff.java
+++ b/src/main/java/electroblob/wizardry/spell/SpellBuff.java
@@ -125,7 +125,8 @@ public class SpellBuff extends Spell {
 	@Override
 	public boolean cast(World world, EntityLiving caster, EnumHand hand, int ticksInUse, EntityLivingBase target, SpellModifiers modifiers){
 		// Wizards can only cast a buff spell if they don't already have its effects.
-		if(caster.getActivePotionMap().keySet().containsAll(potionSet)) return false;
+		// Some buff spells doesn't add any potion effects, those are ignored by this check
+		if(!potionSet.isEmpty() && caster.getActivePotionMap().keySet().containsAll(potionSet)) return false;
 		// Only return on the server side or the client probably won't spawn particles
 		if(!this.applyEffects(caster, modifiers) && !world.isRemote) return false;
 		if(world.isRemote) this.spawnParticles(world, caster, modifiers);