Update modern forwarding to v3 (#8219)

patches/server/0475-Add-setMaxPlayers-API.patch

@@ -0,0 +1,37 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Mariell Hoversholm <proximyst@proximyst.com>
+Date: Sat, 22 Aug 2020 23:59:30 +0200
+Subject: [PATCH] Add #setMaxPlayers API
+
+
+diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
+index 8c1b6aa3957a988656eeb2ad6323fdbd2f67cd19..67c50a329e7bdf4056a1217963e29e8ceb99b20f 100644
+--- a/src/main/java/net/minecraft/server/players/PlayerList.java
++++ b/src/main/java/net/minecraft/server/players/PlayerList.java
+@@ -147,7 +147,7 @@ public abstract class PlayerList {
+     public final PlayerDataStorage playerIo;
+     private boolean doWhiteList;
+     private final RegistryAccess.Frozen registryHolder;
+-    protected final int maxPlayers;
++    protected int maxPlayers; public final void setMaxPlayers(int maxPlayers) { this.maxPlayers = maxPlayers; } // Paper - remove final and add setter
+     private int viewDistance;
+     private int simulationDistance;
+     private boolean allowCheatsForAllPlayers;
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+index fbe09c604315794b462e6be5bc8c7e87c21806f6..369e3807b75b3bdd7609ce64b6da018317642edf 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+@@ -672,6 +672,13 @@ public final class CraftServer implements Server {
+         return this.playerList.getMaxPlayers();
+     }
+ 
++    // Paper start
++    @Override
++    public void setMaxPlayers(int maxPlayers) {
++        this.playerList.setMaxPlayers(maxPlayers);
++    }
++    // Paper end
++
+     // NOTE: These are dependent on the corresponding call in MinecraftServer
+     // so if that changes this will need to as well
+     @Override