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Load Chunks for Login Asynchronously

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No longer will trigger Synchronous Chunk Loads when a player logs
in to the server.

Will delay PlayerJoinEvent until the chunk has been loaded.

Should have massive performance benefits for larger servers with
lots of players logging in and out.
This commit is contained in:
Aikar 2020-04-19 04:32:04 -04:00
parent fd9350e9ba
commit 37c7a3af0a
1 changed files with 39 additions and 0 deletions
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Spigot-Server-Patches/Load-Chunks-for-Login-Asynchronously.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 19 Apr 2020 04:28:29 -0400
Subject: [PATCH] Load Chunks for Login Asynchronously
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index e737381b3..83ceb3f99 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -0,0 +0,0 @@ public abstract class PlayerList {
// CraftBukkit start - Better rename detection
if (nbttagcompound != null && nbttagcompound.hasKey("bukkit")) {
NBTTagCompound bukkit = nbttagcompound.getCompound("bukkit");
- s = bukkit.hasKeyOfType("lastKnownName", 8) ? bukkit.getString("lastKnownName") : s;
+ s = bukkit.hasKeyOfType("lastKnownName", 8) ? bukkit.getString("lastKnownName") : s; // Diff below
}
+ String lastKnownName = s; // Paper
if (nbttagcompound == null) entityplayer.moveToSpawn(worldserver); // Paper - only move to spawn on first login, otherwise, stay where you are....
// CraftBukkit end
@@ -0,0 +0,0 @@ public abstract class PlayerList {
entityplayer.setYawPitch(loc.getYaw(), loc.getPitch());
// Spigot end
+ // Paper start - async load spawn in chunk
+ WorldServer finalWorldserver = worldserver;
+ worldserver.getChunkProvider().getChunkAtAsynchronously(loc.getBlockX() >> 4, loc.getBlockZ() >> 4, true, (chunk -> {
+ if (networkmanager.isConnected()) {
+ postChunkLoadJoin(entityplayer, finalWorldserver, nbttagcompound, networkmanager, lastKnownName, networkmanager.getSocketAddress().toString());
+ }
+ }));
+ }
+ private void postChunkLoadJoin(EntityPlayer entityplayer, WorldServer worldserver, NBTTagCompound nbttagcompound, NetworkManager networkmanager, String s, String s1) {
+ // Paper end
// CraftBukkit - Moved message to after join
// PlayerList.LOGGER.info("{}[{}] logged in with entity id {} at ({}, {}, {})", entityplayer.getDisplayName().getString(), s1, entityplayer.getId(), entityplayer.locX(), entityplayer.locY(), entityplayer.locZ());
WorldData worlddata = worldserver.getWorldData();
--