Initial commit

Assets/Scripts/ShopManager.cs

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+using UnityEngine;
+using UnityEngine.UI;
+using System.Collections.Generic;
+using TMPro;
+
+public class ShopManager : MonoBehaviour
+{
+    [Header("Shop Settings")]
+    public int startingMoney = 100;
+    public Item[] availableItems; // Assumes Item is a MonoBehaviour attached to a Prefab
+
+    [Header("UI Elements")]
+    public TMP_Text moneyText;
+    public Button[] buyButtons; 
+
+    [Header("Inventory Settings")]
+    public Transform storeRoomTransform; // Where physical items spawn
+    public Transform inventoryUI; // The Panel with the Grid Layout Group
+    public GameObject inventoryTextTemplate; // Drag a Prefab with TMP_Text here!
+
+    private int currentMoney;
+    private Dictionary<string, int> inventory = new Dictionary<string, int>();
+
+    void Start()
+    {
+        currentMoney = startingMoney;
+
+        // Initialize dictionary once at start
+        PopulateInventoryDictionary();
+        
+        InitializeShopButtons();
+        UpdateAllUI(); 
+    }
+
+    void InitializeShopButtons()
+    {
+        for (int i = 0; i < buyButtons.Length; i++)
+        {
+            if (i < availableItems.Length)
+            {
+                int index = i; 
+                Item item = availableItems[index];
+                Button button = buyButtons[index];
+
+                // Set Button Text
+                TMP_Text btnText = button.GetComponentInChildren<TMP_Text>();
+                if (btnText != null) 
+                {
+                    btnText.text = $"{item.itemName} - ${item.itemPrice}";
+                }
+
+                // Add Click Listener
+                button.onClick.RemoveAllListeners(); 
+                button.onClick.AddListener(() => BuyItem(item, button));
+            }
+            else
+            {
+                buyButtons[i].gameObject.SetActive(false); 
+            }
+        }
+    }
+
+    void BuyItem(Item item, Button button)
+    {
+        if (currentMoney >= item.itemPrice)
+        {
+            // 1. Deduct Money
+            currentMoney -= item.itemPrice;
+
+            // 2. Instantiate physical item in the game world
+            if(item.gameObject != null)
+            {
+                Instantiate(item.gameObject, storeRoomTransform.position, Quaternion.identity);
+            }
+
+            // 3. Logic: Add to dictionary
+            if (!inventory.ContainsKey(item.itemName))
+            {
+                inventory[item.itemName] = 0;
+            }   
+            inventory[item.itemName]++;
+            
+            Debug.Log($"Purchased {item.itemName}");
+
+            // 4. Update Button Feedback (Optional)
+            TMP_Text btnText = button.GetComponentInChildren<TMP_Text>();
+            if (btnText != null)
+            {
+                // Temporarily show "Bought" or keep price? 
+                // Usually shops keep the price so you can buy again.
+                // If you want it to flash green, you'd need a Coroutine, 
+                // but for now let's keep it simple.
+            }
+
+            // 5. Refresh UI
+            UpdateAllUI();
+        }
+        else
+        {
+            Debug.Log("Not enough money!");
+        }
+    }
+
+    void UpdateAllUI()
+    {
+        // Update Money Text
+        moneyText.text = "Money: $" + currentMoney;
+
+        // Update Button Interactability
+        for (int i = 0; i < buyButtons.Length; i++)
+        {
+            if (i < availableItems.Length)
+            {
+                buyButtons[i].interactable = (currentMoney >= availableItems[i].itemPrice);
+            }
+        }
+
+        // Update Inventory List
+        UpdateInventoryUI();
+    }
+
+    void PopulateInventoryDictionary()
+    {
+        foreach (Item item in availableItems)
+        {
+            if (!inventory.ContainsKey(item.itemName))
+            {
+                inventory[item.itemName] = 0;
+            }
+        }
+    }
+
+    void UpdateInventoryUI()
+    {
+        // 1. Clear existing list items
+        foreach (Transform child in inventoryUI)
+        {
+            Destroy(child.gameObject);
+        }
+
+        // 2. Create new list items from the Template
+        foreach (KeyValuePair<string, int> entry in inventory)
+        {
+            // Only show items we actually have (Count > 0)
+            if(entry.Value > 0)
+            {
+                // Instantiate the Template (which has the TMP_Text component)
+                GameObject newItem = Instantiate(inventoryTextTemplate, inventoryUI);
+                
+                // Get the text component and set the string
+                TMP_Text textComp = newItem.GetComponent<TMP_Text>();
+                if (textComp != null)
+                {
+                    textComp.text = $"{entry.Key}: {entry.Value}";
+                }
+            }
+        }
+    }
+}