Paper/patches/server/0501-Player-Chunk-Load-Unload-Events.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: ysl3000 <yannicklamprecht@live.de>
Date: Mon, 5 Oct 2020 21:25:16 +0200
Subject: [PATCH] Player Chunk Load/Unload Events


diff --git a/src/main/java/net/minecraft/server/network/PlayerChunkSender.java b/src/main/java/net/minecraft/server/network/PlayerChunkSender.java
index 5de5209e04d631bd6a50e28e8d3abebf148252c1..f8924bc2f82e7563419ce98153f9fb87d4ed2547 100644
--- a/src/main/java/net/minecraft/server/network/PlayerChunkSender.java
+++ b/src/main/java/net/minecraft/server/network/PlayerChunkSender.java
@@ -46,6 +46,11 @@ public class PlayerChunkSender {
     public static void dropChunkStatic(ServerPlayer player, ChunkPos pos) {
         player.serverLevel().chunkSource.chunkMap.getVisibleChunkIfPresent(pos.toLong()).removePlayer(player);
         player.connection.send(new ClientboundForgetLevelChunkPacket(pos));
+        // Paper start
+        if (io.papermc.paper.event.packet.PlayerChunkUnloadEvent.getHandlerList().getRegisteredListeners().length > 0) {
+            new io.papermc.paper.event.packet.PlayerChunkUnloadEvent(player.getBukkitEntity().getWorld().getChunkAt(pos.longKey), player.getBukkitEntity()).callEvent();
+        }
+        // Paper end
     }
     // Paper end - rewrite player chunk loader
 
@@ -86,6 +91,11 @@ public class PlayerChunkSender {
     public static void sendChunk(ServerGamePacketListenerImpl handler, ServerLevel world, LevelChunk chunk) { // Paper - rewrite chunk loader - public
         handler.player.serverLevel().chunkSource.chunkMap.getVisibleChunkIfPresent(chunk.getPos().toLong()).addPlayer(handler.player);
         handler.send(new ClientboundLevelChunkWithLightPacket(chunk, world.getLightEngine(), (BitSet)null, (BitSet)null));
+        // Paper start
+        if (io.papermc.paper.event.packet.PlayerChunkLoadEvent.getHandlerList().getRegisteredListeners().length > 0) {
+            new io.papermc.paper.event.packet.PlayerChunkLoadEvent(new org.bukkit.craftbukkit.CraftChunk(chunk), handler.getPlayer().getBukkitEntity()).callEvent();
+        }
+        // Paper end
         ChunkPos chunkPos = chunk.getPos();
         DebugPackets.sendPoiPacketsForChunk(world, chunkPos);
     }