KCauldron-minecraft-server/patches/net/minecraftforge/common/chunkio/ChunkIOProvider.java.patch

--- ../src-base/minecraft/net/minecraftforge/common/chunkio/ChunkIOProvider.java
+++ ../src-work/minecraft/net/minecraftforge/common/chunkio/ChunkIOProvider.java
@@ -9,6 +9,9 @@
 import java.io.IOException;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import org.bukkit.Server;
+import org.bukkit.craftbukkit.util.LongHash;
+
 class ChunkIOProvider implements AsynchronousExecutor.CallBackProvider<QueuedChunk, net.minecraft.world.chunk.Chunk, Runnable, RuntimeException> {
     private final AtomicInteger threadNumber = new AtomicInteger(1);
 
@@ -41,14 +44,36 @@
         queuedChunk.loader.loadEntities(queuedChunk.world, queuedChunk.compound.getCompoundTag("Level"), chunk);
         MinecraftForge.EVENT_BUS.post(new ChunkDataEvent.Load(chunk, queuedChunk.compound)); // Don't call ChunkDataEvent.Load async
         chunk.lastSaveTime = queuedChunk.provider.worldObj.getTotalWorldTime();
-        queuedChunk.provider.loadedChunkHashMap.add(ChunkCoordIntPair.chunkXZ2Int(queuedChunk.x, queuedChunk.z), chunk);
+        queuedChunk.provider.loadedChunkHashMap_KC.put(LongHash.toLong(queuedChunk.x, queuedChunk.z), chunk);
         queuedChunk.provider.loadedChunks.add(chunk);
         chunk.onChunkLoad();
 
         if (queuedChunk.provider.currentChunkProvider != null) {
+            queuedChunk.provider.worldObj.timings.syncChunkLoadStructuresTimer.startTiming(); // Spigot
             queuedChunk.provider.currentChunkProvider.recreateStructures(queuedChunk.x, queuedChunk.z);
+            queuedChunk.provider.worldObj.timings.syncChunkLoadStructuresTimer.stopTiming(); // Spigot
         }
+        
+        Server server = queuedChunk.provider.worldObj.getServer();
+        if (server != null) {
+            server.getPluginManager().callEvent(new org.bukkit.event.world.ChunkLoadEvent(chunk.bukkitChunk, false));
+        }
 
+        // Update neighbor counts
+        for (int x = -2; x < 3; x++) {
+            for (int z = -2; z < 3; z++) {
+                if (x == 0 && z == 0) {
+                    continue;
+                }
+
+                net.minecraft.world.chunk.Chunk neighbor = queuedChunk.provider.getChunkIfLoaded(chunk.xPosition + x, chunk.zPosition + z);
+                if (neighbor != null) {
+                    neighbor.setNeighborLoaded(-x, -z);
+                    chunk.setNeighborLoaded(x, z);
+                }
+            }
+        }
+
         chunk.populateChunk(queuedChunk.provider, queuedChunk.provider, queuedChunk.x, queuedChunk.z);
     }