From 2afbb545027568fccc85853e18af02a7c6b2929e Mon Sep 17 00:00:00 2001
From: chai <215380520@qq.com>
Date: Tue, 16 May 2023 16:03:51 +0800
Subject: *misc

---
 .../Assets/Scripts/Tools/ThreadSafeElapsedTime.cs  | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 WorldlineKeepers/Assets/Scripts/Tools/ThreadSafeElapsedTime.cs

(limited to 'WorldlineKeepers/Assets/Scripts/Tools/ThreadSafeElapsedTime.cs')

diff --git a/WorldlineKeepers/Assets/Scripts/Tools/ThreadSafeElapsedTime.cs b/WorldlineKeepers/Assets/Scripts/Tools/ThreadSafeElapsedTime.cs
new file mode 100644
index 0000000..50da91b
--- /dev/null
+++ b/WorldlineKeepers/Assets/Scripts/Tools/ThreadSafeElapsedTime.cs
@@ -0,0 +1,87 @@
+using System;
+using System.Diagnostics;
+
+/// <summary>
+/// 线程安全的时间流逝类
+/// 从游戏运行开始计时
+/// </summary>
+public static class ThreadSafeElapsedTime
+{
+    private static bool _isStart = false;
+    private static Stopwatch _stopwatch;
+    private static long _curRawElapsedTicks;
+    private static float _curRawElapsedSeconds;
+    
+    static private double ticks2seconds = 1 / (double) TimeSpan.TicksPerSecond;
+    
+        
+    //必须在启动后调用
+    public static void Start()
+    {
+        if (!_isStart)
+        {
+            _isStart = true;
+            _stopwatch = new Stopwatch();
+            _stopwatch.Start();
+            _curRawElapsedTicks = 0;
+            _curRawElapsedSeconds = 0;
+        }
+    }
+
+    public static void Stop()
+    {
+        if (_isStart)
+        {
+            _isStart = false;
+            _stopwatch.Stop();
+        }
+    }
+
+    public static void Update()
+    {
+        if (_isStart)
+        {
+            _curRawElapsedTicks = _stopwatch.ElapsedTicks;
+            //_curRawElapsedSeconds = (int)(_curRawElapsedTicks / System.TimeSpan.TicksPerSecond);
+            _curRawElapsedSeconds = (float)(((double) _curRawElapsedTicks ) * ticks2seconds);
+        }
+    }
+
+    /// <summary>
+    /// 自游戏启动以来的ticks
+    /// </summary>
+    /// <returns></returns>
+    public static long GetElapsedTicksSinceStartUp()
+    {
+        #if UNITY_EDITOR
+        Start();
+        Update();
+        #endif
+        return _curRawElapsedTicks;
+    }
+    /// <summary>
+    /// 自游戏启动以来的seconds
+    /// </summary>
+    /// <returns></returns>
+    public static float GetElapsedSecondsSinceStartUp()
+    {
+#if UNITY_EDITOR
+        Start();
+        Update();
+#endif
+        return _curRawElapsedSeconds;
+    }
+    
+    /// <summary>
+    /// 自游戏启动以来的miniseconds
+    /// </summary>
+    /// <returns></returns>
+    public static int GetElapsedMiniSecondsSinceStartUp()
+    {
+#if UNITY_EDITOR
+        Start();
+        Update();
+#endif
+        return (int)(_curRawElapsedSeconds * 1000);
+    }
+}
-- 
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