PaperMC/patches/server/1022-Fix-NPE-when-EntityResurrectEvent-is-uncancelled.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Lulu13022002 <41980282+Lulu13022002@users.noreply.github.com>
Date: Mon, 18 Nov 2024 20:27:58 +0100
Subject: [PATCH] Fix NPE when EntityResurrectEvent is uncancelled


diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index cd0cd411ac2278eabfffc331321ce478730daffb..bef31f70ed9bc9f4bea62dda2339b7a281485dce 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -1714,6 +1714,12 @@ public abstract class LivingEntity extends Entity implements Attackable {
                 if (!itemstack1.isEmpty() && itemstack != null) { // Paper - only reduce item if actual totem was found
                     itemstack1.shrink(1);
                 }
+                // Paper start - fix NPE when pre-cancelled EntityResurrectEvent is uncancelled
+                // restore the previous behavior in that case by defaulting to vanillas totem of undying efect
+                if (deathprotection == null) {
+                    deathprotection = DeathProtection.TOTEM_OF_UNDYING;
+                }
+                // Paper end - fix NPE when pre-cancelled EntityResurrectEvent is uncancelled
                 if (itemstack != null && this instanceof ServerPlayer) {
                     // CraftBukkit end
                     ServerPlayer entityplayer = (ServerPlayer) this;