Updated Upstream (Bukkit/CraftBukkit/Spigot)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Developers!: You will need to clean up your work/Minecraft/1.13.2 folder
for this

Also, restore a patch that was dropped in the last upstream

Bukkit Changes:
279eeab3 Fix command description not being set
96e2bb18 Remove debug print from SyntheticEventTest

CraftBukkit Changes:
d3ed1516 Fix dangerously threaded beacons
217a293d Don't relocate joptsimple to allow --help to work.
1be05a21 Prepare for imminent Java 12 release
a49270b2 Mappings Update
5259d80c SPIGOT-4669: Fix PlayerTeleportEvent coordinates for relative teleports

Spigot Changes:
e6eb36f2 Rebuild patches

1 files changed, 35 insertions, 0 deletions

diff --git a/Spigot-Server-Patches/0402-Prevent-rayTrace-from-loading-chunks.patch b/Spigot-Server-Patches/0402-Prevent-rayTrace-from-loading-chunks.patch
new file mode 100644
index 0000000000..2f96260a6b
--- /dev/null
+++ b/Spigot-Server-Patches/0402-Prevent-rayTrace-from-loading-chunks.patch
@@ -0,0 +1,35 @@
+From 8aded7fc32eb2d1e7f64a0f98b05ab61371196c8 Mon Sep 17 00:00:00 2001
+From: Aikar <[email protected]>
+Date: Mon, 26 Nov 2018 19:21:58 -0500
+Subject: [PATCH] Prevent rayTrace from loading chunks
+
+ray tracing into an unloaded chunk should be treated as a miss
+this saves a ton of lag for when AI tries to raytrace near unloaded chunks.
+
+diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
+index b6c602bd0..aa78ccb68 100644
+--- a/src/main/java/net/minecraft/server/World.java
++++ b/src/main/java/net/minecraft/server/World.java
+@@ -860,7 +860,8 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
+                 int i1 = MathHelper.floor(d1);
+                 int j1 = MathHelper.floor(d2);
+                 BlockPosition blockposition = new BlockPosition(l, i1, j1);
+-                IBlockData iblockdata = this.getType(blockposition);
++                IBlockData iblockdata = this.getTypeIfLoaded(blockposition); // Paper
++                if (iblockdata == null) return null; // Paper
+                 Fluid fluid = this.getFluid(blockposition);
+                 boolean flag2;
+                 boolean flag3;
+@@ -982,7 +983,8 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
+                     i1 = MathHelper.floor(d1) - (enumdirection == EnumDirection.UP ? 1 : 0);
+                     j1 = MathHelper.floor(d2) - (enumdirection == EnumDirection.SOUTH ? 1 : 0);
+                     blockposition = new BlockPosition(l, i1, j1);
+-                    IBlockData iblockdata1 = this.getType(blockposition);
++                    IBlockData iblockdata1 = this.getTypeIfLoaded(blockposition); // Paper
++                    if (iblockdata1 == null) return null; // Paper
+                     Fluid fluid1 = this.getFluid(blockposition);
+ 
+                     if (!flag || iblockdata1.getMaterial() == Material.PORTAL || !iblockdata1.getCollisionShape(this, blockposition).isEmpty()) {
+-- 
+2.21.0
+