treasure chests

src/main/java/me/unurled/sacredrealms/sr/components/player/SRPlayer.java

@@ -38,6 +38,7 @@ public class SRPlayer {
   private Map<Attribute, Map<ItemStack, Double>> itemAttributes = new EnumMap<>(Attribute.class);
   @Expose private List<PotionEffect> potionEffects = new ArrayList<>();
   @Expose private Inventory inventory = null;
+  @Expose private List<Integer> treasuresOpened = new ArrayList<>();
 
   public SRPlayer(@NotNull UUID uuid) {
     this.uuid = uuid;
@@ -259,4 +260,16 @@ public class SRPlayer {
     }
     this.experience = experience;
   }
+
+  public List<Integer> getTreasuresOpened() {
+    return treasuresOpened;
+  }
+
+  public boolean hasOpenedTreasure(int id) {
+    return treasuresOpened.contains(id);
+  }
+
+  public void addTreasureOpened(int id) {
+    treasuresOpened.add(id);
+  }
 }