Fix some plugin loading issue

pandalib-paper-commands/src/main/java/fr/pandacube/lib/paper/commands/PaperBrigadierCommand.java

@@ -13,6 +13,7 @@ import fr.pandacube.lib.chat.Chat;
 import fr.pandacube.lib.commands.BrigadierCommand;
 import fr.pandacube.lib.commands.SuggestionsSupplier;
 import fr.pandacube.lib.paper.permissions.PandalibPaperPermissions;
+import fr.pandacube.lib.paper.reflect.PandalibPaperReflect;
 import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftServer;
 import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftVector;
 import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.VanillaCommandWrapper;
@@ -66,6 +67,7 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<BukkitBriga
     private static final CommandDispatcher<BukkitBrigadierCommandSource> nmsDispatcher;
 
     static {
+        PandalibPaperReflect.init();
         vanillaCommandDispatcher = ReflectWrapper.wrapTyped(Bukkit.getServer(), CraftServer.class)
                 .getServer()
                 .vanillaCommandDispatcher();

pandalib-paper-reflect/src/main/java/fr/pandacube/lib/paper/reflect/PandalibPaperReflect.java

@@ -71,11 +71,18 @@ import static fr.pandacube.lib.reflect.wrapper.WrapperRegistry.initWrapper;
  */
 public class PandalibPaperReflect {
 
+    private static boolean isInit = false;
+
     /**
      * Initializes the reflect tools in {@code pandalib-paper-reflect} module.
      */
     public static void init() {
         NMSReflect.init();
+        synchronized (PandalibPaperReflect.class) {
+            if (isInit)
+                return;
+            isInit = true;
+        }
         initWrapperClasses();
     }
 

pandalib-paper/src/main/java/fr/pandacube/lib/paper/PandaLibPaper.java

@@ -7,11 +7,12 @@ public class PandaLibPaper {
 	
 	private static Plugin plugin;
 	
-	public static void init(Plugin plugin) {
+	public static void onLoad(Plugin plugin) {
 		PandaLibPaper.plugin = plugin;
+	}
 
+	public static void onEnable() {
 		PerformanceAnalysisManager.getInstance(); // initialize
-		
 	}