patches/server/0553-Remove-stale-POIs.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sat, 9 Jan 2021 14:17:07 +0100
Subject: [PATCH] Remove stale POIs


diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index af06eb25172ff4ea3fdf2757ce17622e7f4075ae..13eab90d911eccdd6f0a4f4c3608ca94a942c95e 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1955,6 +1955,11 @@ public class ServerLevel extends Level implements WorldGenLevel {
             });
             optional1.ifPresent((holder) -> {
                 this.getServer().execute(() -> {
+                    // Paper start
+                    if (optional.isEmpty() && this.getPoiManager().exists(blockposition1, poiType -> true)) {
+                        this.getPoiManager().remove(blockposition1);
+                    }
+                    // Paper end
                     this.getPoiManager().add(blockposition1, holder);
                     DebugPackets.sendPoiAddedPacket(this, blockposition1);
                 });