Time, Mr. Freeman?

src/dawnglfw/CMakeLists.txt

@@ -25,4 +25,4 @@ target_include_directories(${DAWN_TARGET_NAME}
 # Subdirs
 add_subdirectory(display)
 add_subdirectory(input)
-# add_subdirectory(time)
+add_subdirectory(time)

src/dawnglfw/time/CMakeLists.txt

@@ -0,0 +1,9 @@
+# Copyright (c) 2022 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    TimeManager.cpp
+)

src/dawnglfw/time/TimeManager.cpp

@@ -0,0 +1,17 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "TimeManager.hpp"
+#include <sys/time.h>
+#include <chrono>
+#include <ctime>
+#include <iostream>
+
+using namespace Dawn;
+
+int64_t TimeManager::getRealTime() {
+  auto millisec_since_epoch = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()) .count();
+  return millisec_since_epoch;
+}

src/dawnglfw/time/TimeManager.hpp

@@ -0,0 +1,14 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "time/ITimeManager.hpp"
+
+namespace Dawn {
+  class TimeManager : public ITimeManager {
+    public:
+      int64_t getRealTime() override;
+  };
+}