Vending Machines

Scripts/Actors/VendingMachine.cs

@@ -0,0 +1,28 @@
+using System.Linq;
+using Cirno.Scripts.Resources;
+using Cirno.Scripts.UI;
+using Godot;
+using Godot.Collections;
+
+namespace Cirno.Scripts.Actors;
+
+public partial class VendingMachine : Interactable
+{
+    [Export] public PackedScene UiScene { get; private set; }
+    
+    [Export] public Array<LootItem> Items { get; set; }
+
+
+    public override bool Activate(ActivationType activationType = ActivationType.Toggle)
+    {
+        GameManager.Instance.ChangeState(GameState.Shop);
+
+        var ui = UiScene.Instantiate<VendingMachineUi>();
+
+        ui.Items = Items.ToArray();
+        
+        this.AddChild(ui);
+        
+        return true;
+    }
+}

Scripts/Actors/VendingMachine.cs.uid

@@ -0,0 +1 @@
+uid://bg20enqj6y6c8

Scripts/GameManager.cs

@@ -344,6 +344,7 @@ public partial class GameManager : Node2D
         {
             case GameState.Paused:
             case GameState.Dialogue:
+            case GameState.Shop:
             case GameState.Inventory:
                 GetTree().SetPause(true);
                 //Input.MouseMode = Input.MouseModeEnum.Visible;
@@ -404,5 +405,6 @@ public enum GameState
     Playing,
     Dialogue,
     Controlling,
-    Inventory
+    Inventory,
+    Shop
 }

Scripts/Resources/LootItem.cs

@@ -11,6 +11,7 @@ public partial class LootItem : Resource
     [Export] public StringName ItemDescription { get; set; }
     [Export] public StringName ItemKey { get; set; }
     [Export] public ItemTypes Item;
+    [Export] public int Price { get; set; }
     [Export] public ItemEffectResource ItemEffect { get; private set; }
     [Export] public WeaponResource WeaponData { get; set; }
     [Export] public int Amount;

Scripts/UI/VendingMachineUi.cs

@@ -0,0 +1,69 @@
+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

@@ -0,0 +1 @@
+uid://dwj7p7ydustm5