Starting an inventory manager

managers/InventoryManager.cs

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+using System;
+using System.Collections.Generic;
+using Godot;
+using Movementtests.systems;
+
+namespace Movementtests.managers;
+
+public partial class WeaponEventInventoryChangedData(WeaponSystem.WeaponEvent forEvent, string abilityName)
+    : RefCounted
+{
+    public WeaponSystem.WeaponEvent ForEvent { get; private set; } = forEvent;
+    public string Ability { get; private set; } = abilityName;
+}
+
+public partial class InventoryManager : Node
+{
+    [Signal]
+    public delegate void InventoryChangedEventHandler();
+
+    [Signal]
+    public delegate void WeaponEventInventoryChangedEventHandler(WeaponEventInventoryChangedData data);
+
+    public Dictionary<string, Resource> Inventory { get; } = new();
+
+    public static InventoryManager Instance { get; private set; }
+    
+    public override void _Ready()
+    {
+        Instance = this;
+    }
+
+    public void AddAbilityForWeaponEvent(WeaponSystem.WeaponEvent forEvent, string abilityName)
+    {
+        EmitSignalWeaponEventInventoryChanged(new WeaponEventInventoryChangedData(forEvent, abilityName));
+    }
+}