Moved Stars45 to StarsEx

1 files changed, 54 insertions, 0 deletions

diff --git a/StarsEx/Clock.h b/StarsEx/Clock.h
new file mode 100644
index 0000000..4f51330
--- /dev/null
+++ b/StarsEx/Clock.h
@@ -0,0 +1,54 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+*/
+
+#ifndef Clock_h
+#define Clock_h
+
+#include <chrono>
+
+
+class Clock
+{
+public:
+    using inner_clock = std::chrono::high_resolution_clock;
+    using elapsed_duration = std::chrono::milliseconds;
+    using count_type = elapsed_duration::rep;
+
+    static Clock* GetInstance();
+    static bool Init();
+    static void Close();
+
+    void Set();
+    double Step();
+    void ResetGameTime();
+    void SkipGameTime(double seconds);
+
+    double Delta() const;
+    double GuiDelta() const;
+    double Rate() const;
+    double TimeCompression() const;
+    count_type GameTime() const;
+    count_type RealTime() const;
+
+    void SetTimeCompression(double compression);
+
+protected:
+    Clock();
+
+    inner_clock::time_point m_point;
+    inner_clock::duration m_game_elapsed;
+    inner_clock::duration m_real_elapsed;
+    double m_compression;
+    double m_delta;
+    double m_gui_delta;
+    double m_rate;
+
+private:
+    static Clock* instance;
+};
+
+
+#endif  // Clock_h