Vending Machines

Scripts/UI/VendingMachineUi.cs

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+using System.Linq;
+using Cirno.Scripts.Resources;
+using Godot;
+using Godot.Collections;
+
+namespace Cirno.Scripts.UI;
+
+public partial class VendingMachineUi : CanvasLayer
+{
+    [Export] public Label MoneyLabel { get; private set; }
+    [Export] public Container ItemsContainer { get; private set; }
+    
+    public LootItem[] Items { get; set; } = new LootItem[3];
+
+    public override void _Ready()
+    {
+        FillItems();
+    }
+
+    private void FillItems()
+    {
+        var buttons = ItemsContainer.GetChildren().Cast<Button>();
+
+        int i = 0;
+        foreach (var button in buttons)
+        {
+            var item = Items[i];
+            if (item is null)
+            {
+                button.Icon = new PlaceholderTexture2D() { Size = new Vector2(16, 16) };
+                button.Text = "Sold Out";
+                i++;
+                continue;
+            }
+
+            button.Icon = item.InventorySprite;
+            button.Text = $"{item.ShortName} ({item.Price})";
+            
+            button.Pressed += () => ButtonOnPressed(item);
+            
+            i++;
+        }
+
+        var moneyAmount = InventoryManager.Instance.GetItemCount("CREDITS");
+        
+        MoneyLabel.Text = $"{moneyAmount}";
+    }
+
+    private void ButtonOnPressed(LootItem item)
+    {
+        var moneyAmount = InventoryManager.Instance.GetItemCount("CREDITS");
+
+        if (moneyAmount >= item.Price)
+        {
+            // Buy!
+            InventoryManager.Instance.RemoveItem("CREDITS", item.Price);
+
+            InventoryManager.Instance.AddItem(item);
+            
+            Close();
+        }
+    }
+
+    public void Close()
+    {
+        GameManager.Instance.ChangeState(GameState.Playing);
+        QueueFree();
+    }
+}

Scripts/UI/VendingMachineUi.cs.uid

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+uid://dwj7p7ydustm5