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Leaf/patches/api/0007-KTP-Optimize-Spigot-event-bus.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Bjarne Koll <lynxplay101@gmail.com>
Date: Thu, 9 Dec 2021 01:53:30 +0100
Subject: [PATCH] KTP: Optimize Spigot event bus
Original license: GPL v3
Original project: https://github.com/lynxplay/ktp
diff --git a/src/main/java/org/bukkit/plugin/RegisteredListener.java b/src/main/java/org/bukkit/plugin/RegisteredListener.java
index 3b3d9642a8d63798dc28f2f8df77f0466451cbff..8d3605f25e97a375971705c737bc7bacbac045cd 100644
--- a/src/main/java/org/bukkit/plugin/RegisteredListener.java
+++ b/src/main/java/org/bukkit/plugin/RegisteredListener.java
@@ -62,8 +62,10 @@ public class RegisteredListener {
* @throws EventException If an event handler throws an exception.
*/
public void callEvent(@NotNull final Event event) throws EventException {
- if (event instanceof Cancellable) {
- if (((Cancellable) event).isCancelled() && isIgnoringCancelled()) {
+ // KTP start - optimize spigot event bus
+ if (isIgnoringCancelled()) {
+ if (event instanceof Cancellable cancellable && cancellable.isCancelled()) {
+ // KTP end - optimize spigot event bus
return;
}
}
diff --git a/src/main/java/org/bukkit/plugin/SimplePluginManager.java b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
index c077e7c883613fcb6e559b4e4776e794caa3b363..ba869354adc59db2fc547c481c1ed4d5d0af23b7 100644
--- a/src/main/java/org/bukkit/plugin/SimplePluginManager.java
+++ b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
@@ -656,11 +656,15 @@ public final class SimplePluginManager implements PluginManager {
@Override
public void callEvent(@NotNull Event event) {
// Paper - replace callEvent by merging to below method
- if (event.isAsynchronous() && server.isPrimaryThread()) {
+ // KTP start - optimize spigot event bus
+ final boolean isAsync = event.isAsynchronous();
+ final boolean isPrimary = server.isPrimaryThread(); // Cache to prevent multiple thread object comparisons.
+ if (isAsync && isPrimary) {
throw new IllegalStateException(event.getEventName() + " may only be triggered asynchronously.");
- } else if (!event.isAsynchronous() && !server.isPrimaryThread() && !server.isStopping() ) {
+ } else if (!isAsync && !isPrimary && !server.isStopping() ) {
throw new IllegalStateException(event.getEventName() + " may only be triggered synchronously.");
}
+ // KTP end - optimize spigot event bus
HandlerList handlers = event.getHandlers();
RegisteredListener[] listeners = handlers.getRegisteredListeners();