Code structure cleanup. (2)

Assets/Cryville/Crtr/Skin/SkinComponent.cs

@@ -0,0 +1,41 @@
+using Cryville.Common;
+using Cryville.Common.Collections.Specialized;
+using Cryville.Common.Pdt;
+using UnityEngine;
+
+namespace Cryville.Crtr.Skin {
+	public abstract class SkinComponent : MonoBehaviour {
+		/// <summary>
+		/// The property operators of the component.
+		/// </summary>
+		public IntKeyedDictionary<SkinProperty> Properties { get; private set; }
+		/// <summary>
+		/// Submits a property.
+		/// </summary>
+		/// <param name="name">The name of the property.</param>
+		/// <param name="property">The property.</param>
+		protected void SubmitProperty(string name, PdtOperator property, int udl = 1) {
+			Properties.Add(IdentifierManager.Shared.Request(name), new SkinProperty(property, udl));
+		}
+
+		/// <summary>
+		/// Creates a skin component.
+		/// </summary>
+		protected SkinComponent() {
+			Properties = new IntKeyedDictionary<SkinProperty>();
+		}
+
+		public virtual void Init() { }
+		public virtual void Rewind(double time, Transform target) { }
+		public virtual void Tick(SkinContainer c, double time) { }
+		protected abstract void OnDestroy();
+	}
+	public struct SkinProperty {
+		public PdtOperator Operator { get; set; }
+		public int UpdateDynamicLevel { get; set; }
+		public SkinProperty(PdtOperator op, int udl = 0) {
+			Operator = op;
+			UpdateDynamicLevel = udl;
+		}
+	}
+}