Fix paper + paper java 16 support

Paper/SteamWar-Patches/0567-Java-16-compatibility.patch

@@ -0,0 +1,40 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Lixfel <agga-games@gmx.de>
+Date: Tue, 12 Oct 2021 11:32:24 +0200
+Subject: [PATCH] Java 16 compatibility
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
+index 2ea6f5b7da35cbb342e72a00ea70fef667f05d49..44ca5cd06c64c58aa511c589a401762c02201934 100644
+--- a/src/main/java/org/bukkit/craftbukkit/Main.java
++++ b/src/main/java/org/bukkit/craftbukkit/Main.java
+@@ -204,12 +204,6 @@ public class Main {
+                 return;
+             }
+ 
+-            float javaVersion = Float.parseFloat(System.getProperty("java.class.version"));
+-            if (javaVersion > 58.0) {
+-                System.err.println("Unsupported Java detected (" + javaVersion + "). Only up to Java 14 is supported.");
+-                if (!Boolean.getBoolean("Paper.IgnoreJavaVersion")) return; // Paper
+-            }
+-
+             try {
+                 // Paper start - Handled by TerminalConsoleAppender
+                 /*
+diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+index 004b6ce132f8a686116b2a03a0a57461c8e164cf..807e8fcc7a0b2a6607d1d307fa8e71f5e3279772 100644
+--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
++++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+@@ -295,12 +295,6 @@ public final class CraftMagicNumbers implements UnsafeValues {
+ 
+     @Override
+     public byte[] processClass(PluginDescriptionFile pdf, String path, byte[] clazz) {
+-        try {
+-            clazz = Commodore.convert(clazz, !isLegacy(pdf));
+-        } catch (Exception ex) {
+-            Bukkit.getLogger().log(Level.SEVERE, "Fatal error trying to convert " + pdf.getFullName() + ":" + path, ex);
+-        }
+-
+         return clazz;
+     }
+ 

Paper/SteamWar-Patches/0567-Undo-partial-0004-MC-Utils.patch

@@ -1,24 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: yoyonow <jwsteam@nidido.de>
-Date: Wed, 16 Jun 2021 20:56:09 +0200
-Subject: [PATCH] Undo partial 'Paper/Spigot-Server-Patches/0004-MC-Utils.patch'
-
----
- SystemUtils.java | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/main/java/net/minecraft/SystemUtils.java b/src/main/java/net/minecraft/SystemUtils.java
-index b0746aa..b4cb8a9 100644
---- a/src/main/java/net/minecraft/SystemUtils.java
-+++ b/src/main/java/net/minecraft/SystemUtils.java
-@@ -64,7 +64,7 @@ public class SystemUtils {
-     }
- 
-     public static long getMonotonicNanos() {
--        return System.nanoTime();
-+        return a.getAsLong();
-     }
- 
-     public static long getTimeMillis() {
--- 
-

Paper/SteamWar-Patches/0568-Revert-paper-timing-changes.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Lixfel <agga-games@gmx.de>
+Date: Tue, 12 Oct 2021 11:36:45 +0200
+Subject: [PATCH] Revert paper timing changes
+
+
+diff --git a/src/main/java/net/minecraft/server/SystemUtils.java b/src/main/java/net/minecraft/server/SystemUtils.java
+index aa399e7f6518ff70f2214161319170b1fc911751..0836606e21bb491808445b41eaaa1cacac07ef93 100644
+--- a/src/main/java/net/minecraft/server/SystemUtils.java
++++ b/src/main/java/net/minecraft/server/SystemUtils.java
+@@ -58,7 +58,7 @@ public class SystemUtils {
+     }
+ 
+     public static long getMonotonicNanos() {
+-        return System.nanoTime(); // Paper
++        return a.getAsLong();
+     }
+ 
+     public static long getTimeMillis() {