Fix mappings in ReflOnlineModeProvider

Author: JRoy

providers/NMSReflectionProvider/src/main/java/net/ess3/nms/refl/providers/ReflOnlineModeProvider.java

@@ -1,5 +1,6 @@
 package net.ess3.nms.refl.providers;
 
+import net.ess3.nms.refl.ReflUtil;
 import org.bukkit.Bukkit;
 
 import java.lang.invoke.MethodHandle;
@@ -9,23 +10,35 @@
 public class ReflOnlineModeProvider {
     private final MethodHandle spigotBungeeGetter;
     private final MethodHandle paperBungeeGetter;
+    private final Object paperProxiesInstance;
     private final boolean fancyPaperCheck;
 
     public ReflOnlineModeProvider() {
         MethodHandle spigotBungeeGetter = null;
         MethodHandle paperBungeeGetter = null;
+        Object paperProxiesInstance = null;
         boolean fancyCheck = false;
         try {
             final MethodHandles.Lookup lookup = MethodHandles.lookup();
             spigotBungeeGetter = lookup.findStaticGetter(Class.forName("org.spigotmc.SpigotConfig"), "bungee", boolean.class);
-            final Class<?> paperConfig = Class.forName("com.destroystokyo.paper.PaperConfig");
-            paperBungeeGetter = lookup.findStaticGetter(paperConfig, "bungeeOnlineMode", boolean.class);
-            paperBungeeGetter = lookup.findStatic(paperConfig, "isProxyOnlineMode", MethodType.methodType(boolean.class));
-            fancyCheck = true;
+            final Class<?> newPaperConfigClass = ReflUtil.getClassCached("io.papermc.paper.configuration.GlobalConfiguration");
+            if (newPaperConfigClass != null) {
+                final Class<?> proxiesClass = Class.forName("io.papermc.paper.configuration.GlobalConfiguration$Proxies");
+                final Object globalConfig = lookup.findStatic(newPaperConfigClass, "get", MethodType.methodType(newPaperConfigClass)).invoke();
+                paperProxiesInstance = lookup.findGetter(newPaperConfigClass, "proxies", proxiesClass).invoke(globalConfig);
+                paperBungeeGetter = lookup.findVirtual(proxiesClass, "isProxyOnlineMode", MethodType.methodType(boolean.class));
+                fancyCheck = true;
+            } else {
+                final Class<?> paperConfig = Class.forName("com.destroystokyo.paper.PaperConfig");
+                paperBungeeGetter = lookup.findStaticGetter(paperConfig, "bungeeOnlineMode", boolean.class);
+                paperBungeeGetter = lookup.findStatic(paperConfig, "isProxyOnlineMode", MethodType.methodType(boolean.class));
+                fancyCheck = true;
+            }
         } catch (Throwable ignored) {
         }
         this.spigotBungeeGetter = spigotBungeeGetter;
         this.paperBungeeGetter = paperBungeeGetter;
+        this.paperProxiesInstance = paperProxiesInstance;
         this.fancyPaperCheck = fancyCheck;
     }