Implement some star tower npc events

src/main/java/emu/nebula/data/resources/StarTowerEventDef.java

@@ -0,0 +1,35 @@
+package emu.nebula.data.resources;
+
+import emu.nebula.data.BaseDef;
+import emu.nebula.data.ResourceType;
+import it.unimi.dsi.fastutil.ints.IntArrayList;
+import it.unimi.dsi.fastutil.ints.IntList;
+import lombok.Getter;
+
+@Getter
+@ResourceType(name = "StarTowerEvent.json")
+public class StarTowerEventDef extends BaseDef {
+    private int Id;
+    private int[] RelatedNPCs;
+    
+    private transient IntList optionIds;
+    
+    @Override
+    public int getId() {
+        return Id;
+    }
+    
+    /**
+     * Returns a deep copy of our option ids
+     */
+    public IntList getClonedOptionIds() {
+        var list = new IntArrayList();
+        list.addAll(this.getOptionIds());
+        return list;
+    }
+    
+    @Override
+    public void onLoad() {
+        this.optionIds = new IntArrayList();
+    }
+}