Improved detection of plugins using deprecated structure

Author: koca2000

pom.xml

@@ -30,7 +30,7 @@
 		<dependency>
 			<groupId>org.bukkit</groupId>
 			<artifactId>bukkit</artifactId>
-			<version>1.12-R0.1-SNAPSHOT</version>
+			<version>1.13-R0.1-SNAPSHOT</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>

src/main/java/com/xxmicloxx/NoteBlockAPI/NoteBlockAPI.java

@@ -10,7 +10,9 @@
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.RegisteredListener;
 import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.scheduler.BukkitRunnable;
 
 import com.xxmicloxx.NoteBlockAPI.songplayer.SongPlayer;
 
@@ -107,6 +109,25 @@ public void onEnable() {
 	    }));
 
 		new NoteBlockPlayerMain().onEnable();
+		
+		getServer().getScheduler().runTaskLater(this, new BukkitRunnable() {
+			
+			@Override
+			public void run() {
+				Plugin[] plugins = getServer().getPluginManager().getPlugins();
+		        for(Plugin plugin: plugins) {
+		           
+		            ArrayList<RegisteredListener> rls = new ArrayList<>();
+		            rls.addAll(PlayerRangeStateChangeEvent.getHandlerList().getRegisteredListeners(plugin));
+		            rls.addAll(SongDestroyingEvent.getHandlerList().getRegisteredListeners(plugin));
+		            rls.addAll(SongEndEvent.getHandlerList().getRegisteredListeners(plugin));
+		            rls.addAll(SongStoppedEvent.getHandlerList().getRegisteredListeners(plugin));
+		            if (!rls.isEmpty()){
+		            	dependentPlugins.put(plugin, true);
+		            }
+		        }
+			}
+		}, 20*60);
 	}
 
 	@Override

src/main/resources/plugin.yml

@@ -3,5 +3,7 @@ name: ${name}
 main: ${mainClass}
 version: ${version}
 
+api-version: 1.13
+
 description: a developer interface to play nbs-files ingame
 authors: [xxmicloxx, michidk, koca2000, Luck]