Scissors/patches/server/0034-Prevent-player-banning-using-duplicate-UUIDs.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Luna <lunahatesgogle@gmail.com>
Date: Fri, 28 Apr 2023 16:44:50 -0300
Subject: [PATCH] Prevent player banning using duplicate UUIDs
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 868951dc21aff541765b1f58f08cdf3c47446d25..f714b076dcaa78cb8a666ce2e9f24c66d6af0989 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -1643,7 +1643,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
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if (entity != null) {
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ServerLevel.LOGGER.warn("Force-added player with duplicate UUID {}", player.getUUID());
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entity.unRide();
- this.removePlayerImmediately((ServerPlayer) entity, Entity.RemovalReason.DISCARDED);
+ // Scissors start - Prevent player banning using duplicate UUIDs
+ if (entity instanceof ServerPlayer serverPlayer) {
+ this.removePlayerImmediately(serverPlayer, Entity.RemovalReason.DISCARDED);
+ } else {
+ entity.discard();
+ }
+ // Scissors end
}
this.entityLookup.addNewEntity(player); // Paper - rewite chunk system