PolyphiaGame/Scripts/Singleton/GameItem.cs

using System;
using System.Collections.Generic;
using Godot;
using YamlDotNet.Serialization;
using YamlDotNet.Serialization.NamingConventions;

public class GameItem {

    public GameItem(int ItemId) {
        this.ItemID = ItemId;
        this.Guid = Guid.NewGuid();
        this.InventoryObject = new InventoryItem();
    }

	public int ItemID { get; }                              // Overall ItemID
    public Guid Guid { get; }                               // In Game ItemID
    public InventoryItem InventoryObject { get; }           // Reference to the items dynamic stats
    public Node GameObject { get; set; }                    // Reference to the GameObject
    public Panel InventoryFrame { get; set; }               // Reference to the UI Panel

    public static List<StatItem> _ItemStats;                // Global reference to the list of items stats
    public StatItem ItemStats { get {                       // Reference to the items static stats
            foreach ( StatItem cur in _ItemStats) {
                if (cur.ItemID == ItemID) {
                    return cur;
                }
            }
            return null;
        }
    }
}

public class StatItem {

    public static void LoadItemStats() {
        using var file = FileAccess.Open("res://Scripts/ItemStats.yaml", FileAccess.ModeFlags.Read);
        string Contents = file.GetAsText();
        var deserializer = new DeserializerBuilder().WithNamingConvention(PascalCaseNamingConvention.Instance).Build();
        GameItem._ItemStats = deserializer.Deserialize<List<StatItem>>(Contents);
    }

    public int ItemID { get; }
    public string ItemName { get; }
    public Vector2I InventorySize { get; }
    public int InventoryWeight { get; }
    public bool IsQuantityItem { get; }
    public int MaxQuantity { get; }
    public string ToolPath { get; }
	public int ToolDamage { get; }
}

public class InventoryItem {
    public Vector2I GridPosition { get; set; }
    public bool Rotated { get; set; }
    public int Quantity { get; set; }
}