time wip

It works now, but some functionality is lost in main/draw.cpp

1 files changed, 27 insertions, 0 deletions

diff --git a/src/timer-fwd.hpp b/src/timer-fwd.hpp
new file mode 100644
index 00000000..5e11ce7b
--- /dev/null
+++ b/src/timer-fwd.hpp
@@ -0,0 +1,27 @@
+#pragma once
+#include <compare>
+
+namespace Magnum::Math { template<class T> class Nanoseconds; }
+
+namespace floormat {
+
+using Ns = Math::Nanoseconds<int64_t>;
+
+struct Time final
+{
+    static Time now() noexcept;
+    bool operator==(const Time&) const noexcept;
+    std::strong_ordering operator<=>(const Time&) const noexcept;
+    friend Ns operator-(const Time& a, const Time& b) noexcept;
+    [[nodiscard]] Ns update(const Time& ts = now()) & noexcept;
+
+    static float to_seconds(const Ns& ts) noexcept;
+    static float to_milliseconds(const Ns& ts) noexcept;
+
+    uint64_t stamp = init();
+
+private:
+    static uint64_t init() noexcept;
+};
+
+} // namespace floormat