Registry to add new Abilities, could possibly be used to register other stuff like animations

src/main/java/kamkeel/npcs/util/Register.java

@@ -0,0 +1,36 @@
+package kamkeel.npcs.util;
+
+import kamkeel.npcs.controllers.data.ability.Ability;
+import kamkeel.npcs.controllers.data.ability.AbilityController;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.function.Supplier;
+
+public class Register<T> {
+    private final String registryKey;
+    private final String namespace;
+    protected final Map<String, Supplier<T>> entries = new LinkedHashMap<>();
+
+    public Register(String registryKey, String namespace) {
+        this.registryKey = registryKey;
+        this.namespace = namespace;
+    }
+
+    public T register(String factoryName, Supplier<T> factory) {
+        entries.put(registryKey + "." + namespace + ":" + factoryName, factory);
+        return factory.get();
+    }
+
+    public static class Abilities extends Register<Ability> {
+        public Abilities(String namespace) {
+            super("ability", namespace);
+        }
+
+        public void register() {
+            for (Map.Entry<String, Supplier<Ability>> entry : entries.entrySet()) {
+                AbilityController.Instance.registerType(entry.getKey(), entry.getValue());
+            }
+        }
+    }
+}