From 8a271ae31aecea10684b07e3e2088da7bc82169f Mon Sep 17 00:00:00 2001
From: Minh Vu <minhd_vu@yahoo.com>
Date: Thu, 9 Dec 2021 21:01:35 -0500
Subject: [PATCH] currency deduction on buy

---
 Assets/Scripts/Player.cs | 9 +++++++++
 Assets/Scripts/Tile.cs   | 5 ++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/Assets/Scripts/Player.cs b/Assets/Scripts/Player.cs
index 6f2c466..238d0dd 100644
--- a/Assets/Scripts/Player.cs
+++ b/Assets/Scripts/Player.cs
@@ -33,6 +33,15 @@ public void Damage(int damage)
         }
     }
 
+    public bool Buy(int cost)
+    {
+        if (Currency < cost)
+            return false;
+            
+        Currency -= cost;
+        return true;
+    }
+
     public void Reward(int currency)
     {
         Currency += currency;
diff --git a/Assets/Scripts/Tile.cs b/Assets/Scripts/Tile.cs
index 631c9bb..a9a8999 100644
--- a/Assets/Scripts/Tile.cs
+++ b/Assets/Scripts/Tile.cs
@@ -34,7 +34,10 @@ void OnMouseDown()
             return;
 
         var building = BuildManager.instance.GetBuilding();
-        weapon = Instantiate(building, transform.position + building.transform.position, transform.rotation);
+        var cost = building.GetComponent<Weapon>().cost;
+
+        if (Player.instance.Buy(cost))
+            weapon = Instantiate(building, transform.position + building.transform.position, transform.rotation);
     }
     void OnMouseEnter()
     {