patches/server/0737-Load-effect-amplifiers-greater-than-127-correctly.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Tue, 21 Dec 2021 22:13:26 -0800
Subject: [PATCH] Load effect amplifiers greater than 127 correctly

MOJIRA: MC-118857

diff --git a/src/main/java/net/minecraft/world/effect/MobEffectInstance.java b/src/main/java/net/minecraft/world/effect/MobEffectInstance.java
index af7889fbed11ca413124908cb174a285d6d973e2..68e1b8271475996020af50b3b2cf04cd25aa6c85 100644
--- a/src/main/java/net/minecraft/world/effect/MobEffectInstance.java
+++ b/src/main/java/net/minecraft/world/effect/MobEffectInstance.java
@@ -293,7 +293,7 @@ public class MobEffectInstance implements Comparable<MobEffectInstance> {
     }
 
     private static MobEffectInstance loadSpecifiedEffect(MobEffect type, CompoundTag nbt) {
-        int i = nbt.getByte("amplifier");
+        int i = Byte.toUnsignedInt(nbt.getByte("amplifier")); // Paper - correctly load amplifiers > 127
         int j = nbt.getInt("duration");
         boolean bl = nbt.getBoolean("ambient");
         boolean bl2 = true;