added option to disable pathfinding updates on block changes (#5123)

Spigot-Server-Patches/0669-added-option-to-disable-pathfinding-updates-on-block.patch

@@ -0,0 +1,40 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: lukas81298 <lukas81298@gommehd.net>
+Date: Mon, 25 Jan 2021 14:37:57 +0100
+Subject: [PATCH] added option to disable pathfinding updates on block changes
+
+
+diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+index ac96011d4e104c99bb37833d91b8121f03b9d349..0776e68340b0510cc99084bea80791d562dfea40 100644
+--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
++++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+@@ -799,4 +799,9 @@ public class PaperWorldConfig {
+     private void enderDragonsDeathAlwaysPlacesDragonEgg() {
+         enderDragonsDeathAlwaysPlacesDragonEgg = getBoolean("ender-dragons-death-always-places-dragon-egg", enderDragonsDeathAlwaysPlacesDragonEgg);
+     }
++
++    public boolean updatePathfindingOnBlockUpdate = true;
++    private void setUpdatePathfindingOnBlockUpdate() {
++        updatePathfindingOnBlockUpdate = getBoolean("update-pathfinding-on-block-update", this.updatePathfindingOnBlockUpdate);
++    }
+ }
+diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
+index fdf6380bb95fd5d82842f69411ba440b520f82ca..2b94c195db43d8e7fd58301a33377e87daa16e98 100644
+--- a/src/main/java/net/minecraft/server/WorldServer.java
++++ b/src/main/java/net/minecraft/server/WorldServer.java
+@@ -1571,6 +1571,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
+     @Override
+     public void notify(BlockPosition blockposition, IBlockData iblockdata, IBlockData iblockdata1, int i) {
+         this.getChunkProvider().flagDirty(blockposition);
++        if(this.paperConfig.updatePathfindingOnBlockUpdate) { // Paper - option to disable pathfinding updates
+         VoxelShape voxelshape = iblockdata.getCollisionShape(this, blockposition);
+         VoxelShape voxelshape1 = iblockdata1.getCollisionShape(this, blockposition);
+ 
+@@ -1588,6 +1589,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
+ 
+             this.tickingEntities = wasTicking; // Paper
+         }
++        } // Paper
+     }
+ 
+     @Override