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Assets/Artists/Scripts/CosmeticInventory/CosmeticService.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using BITKit.Modification;
+using UnityEngine;
+
+namespace BITFALL.Cosmetic
+{
+	[Serializable]
+	public struct CosmeticServiceSingleton:ICosmeticService
+	{
+		public ICosmetic[] Cosmetics=>CosmeticService.Singleton.Cosmetics;
+		public event Action OnCosmeticsChanged
+		{
+			add => CosmeticService.Singleton.OnCosmeticsChanged += value;
+			remove => CosmeticService.Singleton.OnCosmeticsChanged -= value;
+		}
+
+		public IDictionary<IModifyElement, object> Modifies { get; set; }
+		public IDictionary<IModifyElement, object> Modified { get; set; }
+		public void Add(IModifyElement modify, object obj)=>CosmeticService.Singleton.Add(modify,obj);
+
+		public void Remove(IModifyElement modify, out object obj)=>CosmeticService.Singleton.Remove(modify,out obj);
+	}
+	public class CosmeticService : MonoBehaviour,ICosmeticService
+	{
+		internal static ICosmeticService Singleton { get; private set; }
+		
+		[SerializeField] private AssetableCosmetic[] initialCosmetics;
+		public ICosmetic[] Cosmetics { get; set; } = Array.Empty<ICosmetic>();
+		
+		public event Action OnCosmeticsChanged;
+
+		private void Awake()
+		{
+			Singleton = this;
+		}
+
+		private void Start()
+		{
+			Cosmetics = initialCosmetics.OfType<ICosmetic>().ToArray();
+			OnCosmeticsChanged?.Invoke();
+		}
+		private readonly IModifyManager _modifyManager = new ModifyManager();
+		public IDictionary<IModifyElement, object> Modifies => _modifyManager.Modifies;
+		public IDictionary<IModifyElement, object> Modified => _modifyManager.Modified;
+
+		public void Add(IModifyElement modify, object obj)
+		{
+				_modifyManager.Add(modify, obj);
+				OnCosmeticsChanged?.Invoke();
+		}
+		public void Remove(IModifyElement modify, out object obj)
+		{
+				_modifyManager.Remove(modify, out obj);
+				OnCosmeticsChanged?.Invoke();
+		}
+	}
+}
+