From 7f41ccf7b50f8f4dca09126cd6b9073f6820e88f Mon Sep 17 00:00:00 2001
From: Ramtin Jafari <ramtin.jafari.dev@gmail.com>
Date: Tue, 7 Jul 2026 17:53:28 +0330
Subject: [PATCH] add item classes

---
 .../constants/gameConstant/ItemClass.java     | 12 +++++++++
 .../constants/gameConstant/ItemClassExt.java  | 25 +++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 Java-Knight/src/main/java/org/project/constants/gameConstant/ItemClass.java
 create mode 100644 Java-Knight/src/main/java/org/project/constants/gameConstant/ItemClassExt.java

diff --git a/Java-Knight/src/main/java/org/project/constants/gameConstant/ItemClass.java b/Java-Knight/src/main/java/org/project/constants/gameConstant/ItemClass.java
new file mode 100644
index 0000000..e6544fd
--- /dev/null
+++ b/Java-Knight/src/main/java/org/project/constants/gameConstant/ItemClass.java
@@ -0,0 +1,12 @@
+package org.project.constants.gameConstant;
+
+public enum ItemClass {
+    KEY,
+    SELLABLE,
+    UNNECESSARY,
+    ACCESSORY,
+    SHIELD,
+    WEAPON,
+    COSTUME,
+}
+
diff --git a/Java-Knight/src/main/java/org/project/constants/gameConstant/ItemClassExt.java b/Java-Knight/src/main/java/org/project/constants/gameConstant/ItemClassExt.java
new file mode 100644
index 0000000..080fdbd
--- /dev/null
+++ b/Java-Knight/src/main/java/org/project/constants/gameConstant/ItemClassExt.java
@@ -0,0 +1,25 @@
+package org.project.constants.gameConstant;
+
+import org.project.item.Accessory.Accessory;
+import org.project.item.Accessory.Costume;
+import org.project.item.Accessory.Shield;
+import org.project.item.Accessory.Weapon;
+import org.project.item.KeyItem;
+import org.project.item.SellableItem;
+
+public final class ItemClassExt {
+    private ItemClassExt() {}
+
+    public static boolean Matches(ItemClass itemClass, Object subject) {
+        return switch (itemClass) {
+            case KEY -> subject instanceof KeyItem;
+            case SELLABLE -> subject instanceof SellableItem;
+            case UNNECESSARY -> subject.getClass() == SellableItem.class;
+            case ACCESSORY -> subject instanceof Accessory;
+            case WEAPON -> subject instanceof Weapon;
+            case COSTUME -> subject instanceof Costume;
+            case SHIELD -> subject instanceof Shield;
+            case null, default -> false;
+        };
+    }
+}