More 1.14 work

Spigot-Server-Patches/Optimize-World.isLoaded-BlockPosition-Z.patch

@@ -6,11 +6,11 @@ Subject: [PATCH] Optimize World.isLoaded(BlockPosition)Z
 Reduce method invocations for World.isLoaded(BlockPosition)Z
 
 diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
-index 282d6ae84c..5e1ab431dc 100644
+index 5637c3872..1286703bf 100644
 --- a/src/main/java/net/minecraft/server/World.java
 +++ b/src/main/java/net/minecraft/server/World.java
-@@ -0,0 +0,0 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
-         return this.getType(blockposition).isAir();
+@@ -0,0 +0,0 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
+         return i < 0 || i >= 256;
      }
  
 +    public boolean isLoaded(BlockPosition blockposition) {