DivineMC/divinemc-server/paper-patches/features/0011-Multithreaded-Tracker.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Sat, 1 Mar 2025 23:06:52 +0300
Subject: [PATCH] Multithreaded Tracker


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 124715b53090085fc0a9f50bb2df196d31d89bed..adf526bcb5b4df3b798a8b80ad11b7b2c30775d7 100644
--- a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
+++ b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
@@ -49,6 +49,12 @@ class PaperEventManager {
             // DivineMC end - Parallel world ticking
             throw new IllegalStateException(event.getEventName() + " may only be triggered asynchronously.");
         } else if (!event.isAsynchronous() && !this.server.isPrimaryThread() && !this.server.isStopping()) {
+            // DivineMC start - Multithreaded Tracker
+            if (org.bxteam.divinemc.DivineConfig.multithreadedEnabled) {
+                net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(event::callEvent);
+                return;
+            }
+            // DivineMC end - Multithreaded Tracker
             throw new IllegalStateException(event.getEventName() + " may only be triggered synchronously.");
         }
 
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 59ee059f8d2d96b5e5ae507f209d267da24c9fa1..68c529473e9ce24cb6c6108cb65100757d1d8759 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1996,6 +1996,26 @@ public class CraftEventFactory {
     }
 
     public static boolean handleBlockFormEvent(Level world, BlockPos pos, net.minecraft.world.level.block.state.BlockState block, int flag, @Nullable Entity entity) {
+        // DivineMC start - Multithreaded Tracker
+        if (org.bxteam.divinemc.DivineConfig.multithreadedEnabled && Thread.currentThread() instanceof org.bxteam.divinemc.entity.tracking.MultithreadedTracker.MultithreadedTrackerThread) {
+            java.util.concurrent.CompletableFuture<Boolean> future = new java.util.concurrent.CompletableFuture<>();
+            net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(() -> {
+                CraftBlockState blockState = CraftBlockStates.getBlockState(world, pos, flag);
+                blockState.setData(block);
+
+                BlockFormEvent event = (entity == null) ? new BlockFormEvent(blockState.getBlock(), blockState) : new EntityBlockFormEvent(entity.getBukkitEntity(), blockState.getBlock(), blockState);
+                world.getCraftServer().getPluginManager().callEvent(event);
+
+                if (!event.isCancelled()) {
+                    blockState.update(true);
+                }
+
+                future.complete(!event.isCancelled());
+            });
+
+            return future.join();
+        }
+        // DivineMC end - Multithreaded Tracker
         CraftBlockState blockState = CraftBlockStates.getBlockState(world, pos, flag);
         blockState.setData(block);