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Paper/Spigot-Server-Patches/0493-Maps-shouldn-t-load-chunks.patch
Mariell Hoversholm 654b792caf Updated Upstream (CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
a339310c #755: Fix NPE when calling getInventory() for virtual EnderChests
2577f9bf Increase outdated build delay
1dabfdc8 #754: Fix pre-1.16 serialized SkullMeta being broken on 1.16+, losing textures
2020-09-27 11:04:51 -04:00

33 Zeilen
1.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Phoenix616 <mail@moep.tv>
Date: Sun, 7 Jun 2020 21:43:42 +0100
Subject: [PATCH] Maps shouldn't load chunks
Previously maps would load all chunks in a certain radius depending on
their scale when trying to update their content. This would result in
main thread chunk loads when they weren't really necessary, especially
on low view distances or "slow" async chunk loads after teleports or
other prioritisation.
This changes it to only try to render already loaded chunks based on
the assumption that the chunks around the player will get loaded
eventually anyways and that maps will get checked for update every
five ticks that movement occur in anyways.
diff --git a/src/main/java/net/minecraft/server/ItemWorldMap.java b/src/main/java/net/minecraft/server/ItemWorldMap.java
index c6feee870be41188b5bced4bb9a8ae1b4e53c942..63b112b38a51873cf5769ad8506c3fdb9d52d42c 100644
--- a/src/main/java/net/minecraft/server/ItemWorldMap.java
+++ b/src/main/java/net/minecraft/server/ItemWorldMap.java
@@ -96,9 +96,9 @@ public class ItemWorldMap extends ItemWorldMapBase {
int k2 = (j / i + k1 - 64) * i;
int l2 = (k / i + l1 - 64) * i;
Multiset<MaterialMapColor> multiset = LinkedHashMultiset.create();
- Chunk chunk = world.getChunkAtWorldCoords(new BlockPosition(k2, 0, l2));
+ Chunk chunk = world.getChunkIfLoaded(new BlockPosition(k2, 0, l2)); // Paper - Maps shouldn't load chunks
- if (!chunk.isEmpty()) {
+ if (chunk != null && !chunk.isEmpty()) { // Paper - Maps shouldn't load chunks
ChunkCoordIntPair chunkcoordintpair = chunk.getPos();
int i3 = k2 & 15;
int j3 = l2 & 15;