Added protocolLib dependency + auto download

src/main/java/xyz/prismenetwork/kelpmodloader/Dependency/DependencyManager.java

@@ -0,0 +1,16 @@
+package xyz.prismenetwork.kelpmodloader.Dependency;
+
+import java.util.HashMap;
+
+public class DependencyManager {
+    public static HashMap<String, String> dependency = new HashMap<>();
+    public static void check() {
+        //List of all dependency
+        dependency.put("ProtocolLib", "https://github.com/dmulloy2/ProtocolLib/releases/latest/download/ProtocolLib.jar");
+
+        dependency.forEach((n, l) -> {
+            Downloader.download(n, l);
+        });
+
+    }
+}

src/main/java/xyz/prismenetwork/kelpmodloader/Dependency/Downloader.java

@@ -0,0 +1,32 @@
+package xyz.prismenetwork.kelpmodloader.Dependency;
+
+import xyz.prismenetwork.kelpmodloader.KelpModLoader;
+
+import java.io.File;
+import java.io.InputStream;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+
+public class Downloader {
+    static File pluginFolder = KelpModLoader.getPlugin(KelpModLoader.class).getDataFolder().getParentFile();
+    public static void download(String name, String link) {
+
+        if (KelpModLoader.getPlugin(KelpModLoader.class).getServer().getPluginManager().getPlugin(name)!=null) return;
+
+        KelpModLoader.getPlugin(KelpModLoader.class).getLogger().warning(name + " is not installed, downloading ProtocolLib from " + link);
+
+        try {
+            InputStream in = new URL(link).openStream();
+             Files.copy(in, Path.of(pluginFolder.getPath() + "/"+ name + ".jar"), StandardCopyOption.REPLACE_EXISTING);
+
+            KelpModLoader.getInstance.getPluginLoader().loadPlugin(new File(pluginFolder.getPath() + "/" + name + ".jar"));
+
+            } catch (Exception e) {
+            KelpModLoader.getPlugin(KelpModLoader.class).getLogger().warning("Could not download protocolLib:");
+            e.printStackTrace();
+        }
+
+    }
+}

src/main/java/xyz/prismenetwork/kelpmodloader/KelpModLoader.java

@@ -1,20 +1,26 @@
 package xyz.prismenetwork.kelpmodloader;
 
-import org.bukkit.Material;
 import org.bukkit.plugin.java.JavaPlugin;
 import xyz.prismenetwork.kelpmodloader.Block.CreateBlock;
+import xyz.prismenetwork.kelpmodloader.Dependency.DependencyManager;
 import xyz.prismenetwork.kelpmodloader.EventHandler.BlockPlaceEvent;
 import xyz.prismenetwork.kelpmodloader.EventHandler.BlockUpdateEvent;
 import xyz.prismenetwork.kelpmodloader.Item.GenerateBlockItems;
 import xyz.prismenetwork.kelpmodloader.Mods.ModsLoader;
 import xyz.prismenetwork.kelpmodloader.Pack.CreatePack;
+import xyz.prismenetwork.kelpmodloader.Dependency.Downloader;
 
 import java.io.IOException;
 
 public final class KelpModLoader extends JavaPlugin {
+    public static KelpModLoader getInstance = null;
 
     @Override
     public void onEnable() {
+        getInstance = this;
+
+        DependencyManager.check();
+
         getServer().getConsoleSender().sendMessage( "\n" +
                 "§2---------------------------------- \n" +
                 "        §2[ §aKelp Mod Loader §2]    \n" +

src/main/resources/plugin.yml

@@ -2,5 +2,5 @@ name: KelpModLoader
 version: '${project.version}'
 main: xyz.prismenetwork.kelpmodloader.KelpModLoader
 api-version: '1.20'
-depend:
-  - ProtocolLib
+authors:
+  - Tbvns