1 files changed, 44 insertions, 0 deletions
diff --git a/patches/server/0646-Fix-CraftPotionBrewer-cache.patch b/patches/server/0646-Fix-CraftPotionBrewer-cache.patch
new file mode 100644
index 0000000000..2d8295382f
--- /dev/null
+++ b/patches/server/0646-Fix-CraftPotionBrewer-cache.patch
@@ -0,0 +1,44 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Sceri <[email protected]>
+Date: Fri, 14 May 2021 19:06:51 +0500
+Subject: [PATCH] Fix CraftPotionBrewer cache
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionBrewer.java b/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionBrewer.java
+index 1e4bc0d9f9d2e45157929af685f116988cbb8c03..8fdc9a3bb2f1b6bdc6c2c96f8ade7e9cd88ea4e0 100644
+--- a/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionBrewer.java
++++ b/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionBrewer.java
+@@ -15,12 +15,18 @@ import org.bukkit.potion.PotionEffectType;
+ import org.bukkit.potion.PotionType;
+ 
+ public class CraftPotionBrewer implements PotionBrewer {
+-    private static final Map<PotionType, Collection<PotionEffect>> cache = Maps.newHashMap();
++    private static final Map<Integer, Collection<PotionEffect>> cache = Maps.newHashMap(); // Paper
+ 
+     @Override
+     public Collection<PotionEffect> getEffects(PotionType damage, boolean upgraded, boolean extended) {
+-        if (CraftPotionBrewer.cache.containsKey(damage))
+-            return CraftPotionBrewer.cache.get(damage);
++        // Paper start
++        int key = damage.ordinal() << 2;
++        key |= (upgraded ? 1 : 0) << 1;
++        key |= extended ? 1 : 0;
++
++        if (CraftPotionBrewer.cache.containsKey(key))
++            return CraftPotionBrewer.cache.get(key);
++        // Paper end
+ 
+         List<MobEffectInstance> mcEffects = Potion.byName(CraftPotionUtil.fromBukkit(new PotionData(damage, extended, upgraded))).getEffects();
+ 
+@@ -29,9 +35,9 @@ public class CraftPotionBrewer implements PotionBrewer {
+             builder.add(CraftPotionUtil.toBukkit(effect));
+         }
+ 
+-        CraftPotionBrewer.cache.put(damage, builder.build());
++        CraftPotionBrewer.cache.put(key, builder.build()); // Paper
+ 
+-        return CraftPotionBrewer.cache.get(damage);
++        return CraftPotionBrewer.cache.get(key); // Paper
+     }
+ 
+     @Override