Basic plugin manager

src/main/java/emu/grasscutter/plugin/Plugin.java

@@ -0,0 +1,71 @@
+package emu.grasscutter.plugin;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.server.game.GameServer;
+
+/**
+ * The base class for all plugins to extend.
+ */
+public abstract class Plugin {
+    private final PluginIdentifier identifier;
+
+    /**
+     * Empty constructor for developers.
+     * Should not be called by users.
+     */
+    public Plugin() {
+        this(new PluginIdentifier("", "", "", new String[]{}));
+    }
+    
+    /**
+     * Constructor for plugins.
+     * @param identifier The plugin's identifier.
+     */
+    public Plugin(PluginIdentifier identifier) {
+        this.identifier = identifier;
+    }
+
+    /**
+     * The plugin's identifier instance.
+     * @return An instance of {@link PluginIdentifier}.
+     */
+    public final PluginIdentifier getIdentifier(){
+        return this.identifier;
+    }
+
+    /**
+     * Get the plugin's name.
+     */
+    public final String getName() {
+        return this.identifier.name;
+    }
+
+    /**
+     * Get the plugin's description.
+     */
+    public final String getDescription() {
+        return this.identifier.description;
+    }
+
+    /**
+     * Get the plugin's version.
+     */
+    public final String getVersion() {
+        return this.identifier.version;
+    }
+
+    /**
+     * Returns the server that initialized the plugin.
+     * @return A server instance.
+     */
+    public final GameServer getServer() {
+        return Grasscutter.getGameServer();
+    }
+    
+    /* Called when the plugin is first loaded. */
+    public void onLoad() { }
+    /* Called after (most of) the server enables. */
+    public void onEnable() { }
+    /* Called before the server disables. */
+    public void onDisable() { }
+}