feat: adding shop item

Assets/Scripts/Managers/QuestManager.cs

@@ -29,9 +29,15 @@ public class QuestManager : MonoBehaviour
         text.text = "Remaining Enemies : " + (maxEnemy - numEnemyDead);
         if (numEnemyDead == maxEnemy)
         {
-            textQuest.text = "Quest Selesai";
-            text.color = new Color(1f, 1f, 1f, 0f);
-            levelCompleted.Raise(this, null);
+            QuestComplete();
         }
     }
+
+    [ContextMenu("End Game")]
+    public void QuestComplete()
+    {
+		textQuest.text = "Quest Selesai";
+		text.color = new Color(1f, 1f, 1f, 0f);
+		levelCompleted.Raise(this, null);
+	}
 }

Assets/Scripts/Shop/ShopItem.cs

@@ -13,7 +13,11 @@ public class ShopItem : MonoBehaviour
         Weapon_Default,
         Weapon_Shotgun,
         Weapon_Bow,
-        Weapon_Sword
+        Weapon_Sword,
+        Weapon_Default_Upgrade,
+        Weapon_Sword_Upgrade,
+        Weapon_Shotgun_Upgrade,
+        Weapon_Bow_Upgrade,
     }
 
     public static int GetCost(ItemType itemType)
@@ -29,6 +33,11 @@ public class ShopItem : MonoBehaviour
             case ItemType.Weapon_Bow:       return 200;
             case ItemType.Weapon_Shotgun:   return 100;
             case ItemType.Weapon_Sword:     return 50;
-        }
-    }
+
+            case ItemType.Weapon_Default_Upgrade: return 50;
+			case ItemType.Weapon_Bow_Upgrade: return 250;
+            case ItemType.Weapon_Shotgun_Upgrade: return 150;
+            case ItemType.Weapon_Sword_Upgrade: return 100;
+		}
+	}
 }

Assets/Scripts/Shop/ShopUIController.cs

@@ -30,9 +30,14 @@ public class ShopUIController : MonoBehaviour
         CreateItemButton("Bow", ShopItem.ItemType.Weapon_Bow);
         CreateItemButton("Shotgun", ShopItem.ItemType.Weapon_Shotgun);
         CreateItemButton("Sword", ShopItem.ItemType.Weapon_Sword);
-    }
 
-    private void OnEnable()
+        CreateItemButton("Upgrade Gun", ShopItem.ItemType.Weapon_Default_Upgrade);
+		CreateItemButton("Upgrade Sword", ShopItem.ItemType.Weapon_Sword_Upgrade);
+        CreateItemButton("Upgrade Shotgun", ShopItem.ItemType.Weapon_Shotgun_Upgrade);
+        CreateItemButton("Upgrade Bow", ShopItem.ItemType.Weapon_Bow_Upgrade);
+	}
+
+	private void OnEnable()
     {
         UpdateMoney();
         
@@ -50,12 +55,32 @@ public class ShopUIController : MonoBehaviour
         if(type == ShopItem.ItemType.Pet_Attack || type == ShopItem.ItemType.Pet_Buff || type == ShopItem.ItemType.Pet_Heal)
         {
             avail &= alreadyHasPet;
-        }
+        }
+
+        // If type is not weapon upgrade, then this function will return true
+        avail &= checkIsWeaponUpgradeAvailable(type);
         shopItemController.UpdateAvailability(avail);
 
         shopItemTransform.gameObject.SetActive(true);
     }
 
+    private bool checkIsWeaponUpgradeAvailable(ShopItem.ItemType type)
+    {
+        switch (type)
+        {
+            case ShopItem.ItemType.Weapon_Default_Upgrade:
+                return true;
+            case ShopItem.ItemType.Weapon_Bow_Upgrade:
+                return true;
+            case ShopItem.ItemType.Weapon_Shotgun_Upgrade:
+                return true;
+            case ShopItem.ItemType.Weapon_Sword_Upgrade:
+                return true;
+            default: 
+                return true;
+        }
+    }
+
     private void UpdateMoney()
     {
         money = MoneyManager.money;