阶段性完成

Assets/OtherPlugins/Le Tai's Asset/Common/Editor/EditorPrefValue.cs

@@ -0,0 +1,57 @@
+// Copyright (c) Le Loc Tai <leloctai.com> . All rights reserved. Do not redistribute.
+
+using System;
+using UnityEditor;
+
+namespace LeTai.Common.Editor
+{
+public class EditorPrefValue<T>
+{
+    readonly string key;
+    readonly T      initialValue;
+
+    public T Value
+    {
+        get
+        {
+            if (!EditorPrefs.HasKey(key))
+            {
+                Value = initialValue;
+                return initialValue;
+            }
+
+            return typeof(T) switch {
+                { } t when t == typeof(bool)  => (T)(object)EditorPrefs.GetBool(key),
+                { } t when t == typeof(float) => (T)(object)EditorPrefs.GetFloat(key),
+
+                _ => throw new ArgumentException("Type " + typeof(T) + " is not supported.")
+            };
+        }
+        set
+        {
+            switch (value)
+            {
+            case bool v:
+                EditorPrefs.SetBool(key, v);
+                break;
+            case float v:
+                EditorPrefs.SetFloat(key, v);
+                break;
+            default:
+                throw new ArgumentException("Type " + typeof(T) + " is not supported.");
+            }
+        }
+    }
+
+    public EditorPrefValue(string key, T initialValue = default)
+    {
+        this.key          = key;
+        this.initialValue = initialValue;
+    }
+
+    public static implicit operator T(EditorPrefValue<T> value)
+    {
+        return value.Value;
+    }
+}
+}