继续重构调整（UI）

- 引入 UniTask 和异步版本的 UIModule - 调整 Runtime/UIBase 和 Presentation 下的脚本命名空间到 SepCore.UI - 将原来的 5 层 UI 迁移到异步实现 - 规范各层的 UI 脚本命名
2026-06-03 09:58:37 +08:00
parent 6b8a6a8789
commit 7bba8bbb80
552 changed files with 83648 additions and 2726 deletions
@@ -0,0 +1,37 @@
+using System;
+using System.Diagnostics;
+
+namespace Cysharp.Threading.Tasks.Internal
+{
+    internal readonly struct ValueStopwatch
+    {
+        static readonly double TimestampToTicks = TimeSpan.TicksPerSecond / (double)Stopwatch.Frequency;
+
+        readonly long startTimestamp;
+
+        public static ValueStopwatch StartNew() => new ValueStopwatch(Stopwatch.GetTimestamp());
+
+        ValueStopwatch(long startTimestamp)
+        {
+            this.startTimestamp = startTimestamp;
+        }
+
+        public TimeSpan Elapsed => TimeSpan.FromTicks(this.ElapsedTicks);
+
+        public bool IsInvalid => startTimestamp == 0;
+
+        public long ElapsedTicks
+        {
+            get
+            {
+                if (startTimestamp == 0)
+                {
+                    throw new InvalidOperationException("Detected invalid initialization(use 'default'), only to create from StartNew().");
+                }
+
+                var delta = Stopwatch.GetTimestamp() - startTimestamp;
+                return (long)(delta * TimestampToTicks);
+            }
+        }
+    }
+}