From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: rafaelflromao <12960698+rafaelflromao@users.noreply.github.com>
Date: Mon, 12 Jun 2023 06:01:40 +0100
Subject: [PATCH] Petal: Sync event calls on async threads

Original code by Bloom-host, licensed under GPL v3
You can find the original code on https://github.com/Bloom-host/Petal

diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
index 2632dade6bfaa185a94e95210a31dc3824b7746f..9687d4a87112a6ed991935321ef15f32dd116b48 100644
--- a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
+++ b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
@@ -45,7 +45,7 @@ class PaperEventManager {
             throw new IllegalStateException(event.getEventName() + " may only be triggered asynchronously.");
         } else if (!isAsync && !onPrimaryThread && !this.server.isStopping()) {
             // Mirai start
-            if (org.dreeam.leaf.LeafConfig.enableAsyncEntityTracker) {
+            if (org.dreeam.leaf.LeafConfig.enableAsyncEntityTracker || org.dreeam.leaf.LeafConfig.enableSyncEventCallsOnAsyncThreads) {
                 MinecraftServer.getServer().scheduleOnMain(event::callEvent);
                 return;
             } else {
diff --git a/src/main/java/org/dreeam/leaf/LeafConfig.java b/src/main/java/org/dreeam/leaf/LeafConfig.java
index ea46848a7fd9e2642d8b5e9e4dacac8ab9074ed5..32980bd223a68e7ac2c953e953434d1fef6e0f9f 100644
--- a/src/main/java/org/dreeam/leaf/LeafConfig.java
+++ b/src/main/java/org/dreeam/leaf/LeafConfig.java
@@ -203,6 +203,8 @@ public class LeafConfig {
     public static int asyncPathfindingKeepalive = 60;
     public static boolean enableAsyncEntityTracker = false;
     public static boolean enableAsyncEntityTrackerInitialized;
+    public static boolean enableSyncEventCallsOnAsyncThreads = true;
+    public static boolean enableSyncEventCallsOnAsyncThreadsInitialized;
     private static void performance() {
         boolean asyncMobSpawning = getBoolean("performance.enable-async-mob-spawning", enableAsyncMobSpawning,
                 "Whether or not asynchronous mob spawning should be enabled.",
@@ -270,6 +272,13 @@ public class LeafConfig {
             enableAsyncEntityTrackerInitialized = true;
             enableAsyncEntityTracker = asyncEntityTracker;
         }
+        boolean syncEventCalls = getBoolean("performance.enable-sync-event-calls-on-async-threads", enableSyncEventCallsOnAsyncThreads,
+                "Whether or not sync event calls on async threads should be enabled. (If async entity tracker is enabled, this is enabled.)",
+                "You may encounter issues with plugins.");
+        if (!enableSyncEventCallsOnAsyncThreadsInitialized) {
+            enableSyncEventCallsOnAsyncThreadsInitialized = true;
+            enableSyncEventCallsOnAsyncThreads = syncEventCalls;
+        }
     }
 
     public static boolean jadeProtocol = false;