Paper/patches/server/0309-Don-t-check-ConvertSigns-boolean-every-sign-save.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 2 Mar 2019 11:11:29 -0500
Subject: [PATCH] Don't check ConvertSigns boolean every sign save

property lookups arent super cheap. they synchronize, validate
and check security managers.

diff --git a/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
index 589fbdd5c86655244aa92a42e5f45747b5c5026e..9b5d11ece006d7aa893360a84ba652c666517ac1 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
@@ -26,6 +26,7 @@ import net.minecraft.world.phys.Vec2;
 import net.minecraft.world.phys.Vec3;
 
 public class SignBlockEntity extends BlockEntity implements CommandSource { // CraftBukkit - implements
+    private static final boolean CONVERT_LEGACY_SIGNS = Boolean.getBoolean("convertLegacySigns"); // Paper
 
     public static final int LINES = 4;
     private static final String[] RAW_TEXT_FIELD_NAMES = new String[]{"Text1", "Text2", "Text3", "Text4"};
@@ -66,7 +67,7 @@ public class SignBlockEntity extends BlockEntity implements CommandSource { // C
         }
 
         // CraftBukkit start
-        if (Boolean.getBoolean("convertLegacySigns")) {
+        if (CONVERT_LEGACY_SIGNS) { // Paper
             nbt.putBoolean("Bukkit.isConverted", true);
         }
         // CraftBukkit end