make npc property registry accessible during onLoad

api/src/main/java/lol/pyr/znpcsplus/api/NpcPropertyRegistryProvider.java

@@ -0,0 +1,46 @@
+package lol.pyr.znpcsplus.api;
+
+import lol.pyr.znpcsplus.api.entity.EntityPropertyRegistry;
+import org.bukkit.Bukkit;
+
+/**
+ * Provider for the registered entity property registry instance
+ */
+public class NpcPropertyRegistryProvider {
+    private static EntityPropertyRegistry registry = null;
+
+    private NpcPropertyRegistryProvider() {
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Static method that returns the entity property registry instance of the plugin
+     *
+     * @return The instance of the entity property registry for the ZNPCsPlus plugin
+     */
+    public static EntityPropertyRegistry get() {
+        if (registry == null) throw new IllegalStateException(
+                "ZNPCsPlus plugin isn't enabled yet!\n" +
+                        "Please add it to your plugin.yml as a depend or softdepend."
+        );
+        return registry;
+    }
+
+    /**
+     * Internal method used to register the main instance of the plugin as the entity property registry provider
+     * You probably shouldn't call this method under any circumstances
+     *
+     * @param api Instance of the ZNPCsPlus entity property registry
+     */
+    public static void register(EntityPropertyRegistry api) {
+        NpcPropertyRegistryProvider.registry = api;
+    }
+
+    /**
+     * Internal method used to unregister the plugin from the provider when the plugin shuts down
+     * You probably shouldn't call this method under any circumstances
+     */
+    public static void unregister() {
+        Bukkit.getServicesManager().unregister(registry);
+    }
+}

plugin/src/main/java/lol/pyr/znpcsplus/ZNpcsPlus.java

@@ -14,6 +14,7 @@ import lol.pyr.director.adventure.parse.primitive.FloatParser;
 import lol.pyr.director.adventure.parse.primitive.IntegerParser;
 import lol.pyr.director.common.message.Message;
 import lol.pyr.znpcsplus.api.NpcApiProvider;
+import lol.pyr.znpcsplus.api.NpcPropertyRegistryProvider;
 import lol.pyr.znpcsplus.api.interaction.InteractionType;
 import lol.pyr.znpcsplus.commands.*;
 import lol.pyr.znpcsplus.commands.action.*;
@@ -78,12 +79,23 @@ public class ZNpcsPlus {
     private final PacketEventsAPI<Plugin> packetEvents;
     private final ZNpcsPlusBootstrap bootstrap;
 
+    private final ConfigManager configManager;
+    private final MojangSkinCache skinCache;
+    private final EntityPropertyRegistryImpl propertyRegistry;
+
     public ZNpcsPlus(ZNpcsPlusBootstrap bootstrap) {
         this.bootstrap = bootstrap;
         packetEvents = SpigotPacketEventsBuilder.build(bootstrap);
         PacketEvents.setAPI(packetEvents);
         packetEvents.getSettings().checkForUpdates(false);
         packetEvents.load();
+
+        configManager = new ConfigManager(getDataFolder());
+        skinCache = new MojangSkinCache(configManager);
+        propertyRegistry = new EntityPropertyRegistryImpl(skinCache, configManager);
+
+        NpcPropertyRegistryProvider.register(propertyRegistry);
+        shutdownTasks.add(NpcPropertyRegistryProvider::unregister);
     }
 
     private void log(String str) {
@@ -113,9 +125,7 @@ public class ZNpcsPlus {
         TaskScheduler scheduler = FoliaUtil.isFolia() ? new FoliaScheduler(bootstrap) : new SpigotScheduler(bootstrap);
         shutdownTasks.add(scheduler::cancelAll);
 
-        ConfigManager configManager = new ConfigManager(getDataFolder());
+
-        MojangSkinCache skinCache = new MojangSkinCache(configManager);
-        EntityPropertyRegistryImpl propertyRegistry = new EntityPropertyRegistryImpl(skinCache, configManager);
         PacketFactory packetFactory = setupPacketFactory(scheduler, propertyRegistry, configManager);
         propertyRegistry.registerTypes(bootstrap, packetFactory, textSerializer);