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Paper/Spigot-Server-Patches/0378-Allow-login-events-to-fire-only-after-the-server-plu.patch
Spottedleaf 5c7081fecc Update upstream & fix some chunk related issues (#2177)
* Updated Upstream (Bukkit/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

Bukkit Changes:
45690fe9 SPIGOT-5047: Correct slot types for 1.14 inventories

CraftBukkit Changes:
4090d01f SPIGOT-5047: Correct slot types for 1.14 inventories
e8c08362 SPIGOT-5046: World#getLoadedChunks returning inaccessible cached chunks.
d445af3b SPIGOT-5067: Add item meta for 1.14 spawn eggs

* Bring Chunk load checks in-line with spigot

As of the last upstream merge spigot now checks ticket level status
when returning loaded chunks for a world from api. Now our checks
will respect that decision.

* Fix spawn ticket levels

Vanilla would keep the inner chunks of spawn available for ticking,
however my changes made all chunks non-ticking. Resolve by changing
ticket levels for spawn chunks inside the border to respect this
behavior.


* Make World#getChunkIfLoadedImmediately return only entity ticking chunks

Mojang appears to be using chunks with level > 33 (non-ticking chunks)
as cached chunks and not actually loaded chunks.

* Bring all loaded checks in line with spigot

Loaded chunks must be at least border  chunks, or level <= 33
2019-06-14 03:27:40 +01:00

73 Zeilen
3.0 KiB
Diff

From 2032fe6a3574b741622b9ff0f10d215fef097a43 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sun, 31 Mar 2019 22:02:24 -0700
Subject: [PATCH] Allow login events to fire only after the server plugins are
enabled
Event threads will simply block until they're ready to accept.
diff --git a/src/main/java/net/minecraft/server/LoginListener.java b/src/main/java/net/minecraft/server/LoginListener.java
index 9e4bc24058..028c23dbe6 100644
--- a/src/main/java/net/minecraft/server/LoginListener.java
+++ b/src/main/java/net/minecraft/server/LoginListener.java
@@ -285,6 +285,36 @@ public class LoginListener implements PacketLoginInListener {
}
}
+ // Paper start - Delay async prelogin until plugins are ready
+ private static volatile Object blockingLogins = new Object();
+
+ public static void checkStartupAndBlock() {
+ final Object lock = LoginListener.blockingLogins;
+ if (lock != null) {
+ synchronized (lock) {
+ for (;;) {
+ if (LoginListener.blockingLogins == null) {
+ return;
+ }
+ try {
+ lock.wait();
+ } catch (final InterruptedException ignore) {// handled by the if statement above
+ Thread.currentThread().interrupt();
+ }
+ }
+ }
+ }
+ }
+
+ public static void allowLogins() {
+ final Object lock = LoginListener.blockingLogins;
+ synchronized (lock) {
+ LoginListener.blockingLogins = null;
+ lock.notifyAll();
+ }
+ }
+ // Paper end
+
// Spigot start
public class LoginHandler {
@@ -295,6 +325,7 @@ public class LoginListener implements PacketLoginInListener {
return;
}
// Paper end
+ LoginListener.checkStartupAndBlock(); // Paper - Delay async login events until plugins are ready
String playerName = i.getName();
java.net.InetAddress address = ((java.net.InetSocketAddress) networkManager.getSocketAddress()).getAddress();
java.util.UUID uniqueId = i.getId();
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index cbb4280631..ba68d7f833 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -462,6 +462,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
// Paper end
this.server.enablePlugins(org.bukkit.plugin.PluginLoadOrder.POSTWORLD);
+ LoginListener.allowLogins(); // Paper - Allow logins once postworld
this.server.getPluginManager().callEvent(new ServerLoadEvent(ServerLoadEvent.LoadType.STARTUP));
// CraftBukkit end
--
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