Add stopwatch

inc/timer.h

@@ -29,3 +29,22 @@ private:
     std::chrono::system_clock::time_point end_time;
 };
 
+class StopWatch
+{
+public:
+    StopWatch();
+    TimeDuration GetTime();
+    void Start();
+    void Pause();
+    void Resume();
+    void Clear();
+
+public:
+    bool active = false;
+
+private:
+    std::chrono::system_clock::time_point start_time;
+    std::chrono::system_clock::duration paused_duration;
+    bool paused = false;
+};
+

src/main.cpp

@@ -107,6 +107,7 @@ int main()
     glBindVertexArray(0);
 
     Timer timer;
+    StopWatch stopwatch;
     GlobalShortcuts shortcuts("timer_overlay");
 
     if (shortcuts.createSession() != 0) {
@@ -114,27 +115,35 @@ int main()
         glfwTerminate();
     }
 
-    shortcuts.addShortcut("time1", "Adds 1 minute to the timer", "ALT+F5", [](void* timer_ptr)
-        {
+    shortcuts.addShortcut("time1", "Adds 1 minute to the timer", "ALT+F5", [](void* timer_ptr) {
             ((Timer*)timer_ptr)->AddMinutes(1);
         }, &timer);
-    shortcuts.addShortcut("time5", "Adds 5 minutes to the timer", "ALT+F6", [](void* timer_ptr)
-        {
+    shortcuts.addShortcut("time5", "Adds 5 minutes to the timer", "ALT+F6", [](void* timer_ptr) {
             ((Timer*)timer_ptr)->AddMinutes(5);
         }, &timer);
-    shortcuts.addShortcut("time15", "Adds 15 minutes to the timer", "ALT+F7", [](void* timer_ptr)
-        {
+    shortcuts.addShortcut("time15", "Adds 15 minutes to the timer", "ALT+F7", [](void* timer_ptr) {
             ((Timer*)timer_ptr)->AddMinutes(15);
         }, &timer);
-    shortcuts.addShortcut("time60", "Adds 1 hour to the timer", "ALT+F8", [](void* timer_ptr)
-        {
+    shortcuts.addShortcut("time60", "Adds 1 hour to the timer", "ALT+F8", [](void* timer_ptr) {
             ((Timer*)timer_ptr)->AddMinutes(60);
         }, &timer);
-    shortcuts.addShortcut("timeclear", "Clears the timer", "ALT+F9", [](void* timer_ptr)
-        {
+    shortcuts.addShortcut("timeclear", "Clears the timer", "ALT+F9", [](void* timer_ptr) {
             ((Timer*)timer_ptr)->Clear();
         }, &timer);
 
+    shortcuts.addShortcut("swstart", "Starts the stopwatch", "CTRL+F5", [](void* stopwatch_ptr) {
+            ((StopWatch*)stopwatch_ptr)->Start();
+        }, &stopwatch);
+    shortcuts.addShortcut("swclear", "Clears the stopwatch", "CTRL+F6", [](void* stopwatch_ptr) {
+            ((StopWatch*)stopwatch_ptr)->Clear();
+        }, &stopwatch);
+    shortcuts.addShortcut("swpause", "Pauses the stopwatch", "CTRL+F7", [](void* stopwatch_ptr) {
+            ((StopWatch*)stopwatch_ptr)->Pause();
+        }, &stopwatch);
+    shortcuts.addShortcut("swresume", "Resumes the stopwatch", "CTRL+F8", [](void* stopwatch_ptr) {
+            ((StopWatch*)stopwatch_ptr)->Resume();
+        }, &stopwatch);
+
     if (!shortcuts.alreadyBound()) {
         std::cout << "Requsting to bind keys" << std::endl;
         if (shortcuts.bindKeys() != 0) {
@@ -154,7 +163,7 @@ int main()
         glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
         glClear(GL_COLOR_BUFFER_BIT);
 
-        TimeDuration time_diff = timer.GetTimeLeft();
+        TimeDuration time_diff = stopwatch.active ? stopwatch.GetTime() : timer.GetTimeLeft();
         if (time_diff.seconds == last_frame_seconds && !time_diff.negative) {
             continue;
         }

src/timer.cpp

@@ -1,5 +1,6 @@
 #include <chrono>
 #include <cstdint>
+#include <unistd.h>
 
 #include "timer.h"
 
@@ -49,3 +50,66 @@ void Timer::Clear()
     end_time = std::chrono::system_clock::now() - std::chrono::seconds(60);
 }
 
+
+
+StopWatch::StopWatch()
+    : active(false), paused(false) { }
+
+TimeDuration StopWatch::GetTime()
+{
+    if (!active) {
+        return TimeDuration{
+            0, 0, 0, 0,
+            0, 0, 0,
+            false,
+        };
+    }
+
+    auto time = paused ? paused_duration : std::chrono::system_clock::now() - start_time;
+
+    return TimeDuration{
+        std::chrono::duration_cast<std::chrono::hours>(time).count(),
+        std::chrono::duration_cast<std::chrono::minutes>(time).count() % 60,
+        std::chrono::duration_cast<std::chrono::seconds>(time).count() % 60,
+        std::chrono::duration_cast<std::chrono::milliseconds>(time).count() % 1000,
+
+        std::chrono::duration_cast<std::chrono::minutes>(time).count(),
+        std::chrono::duration_cast<std::chrono::seconds>(time).count(),
+        std::chrono::duration_cast<std::chrono::milliseconds>(time).count(),
+
+        false,
+    };
+}
+
+void StopWatch::Start()
+{
+    if (!active) {
+        start_time = std::chrono::system_clock::now();
+        active = true;
+        paused = false;
+    }
+}
+
+void StopWatch::Pause()
+{
+    if (!paused) {
+        paused_duration = std::chrono::system_clock::now() - start_time;
+        paused = true;
+    }
+}
+
+void StopWatch::Resume()
+{
+    if (paused) {
+        start_time = std::chrono::system_clock::now() - paused_duration;
+        paused = false;
+    }
+}
+
+void StopWatch::Clear()
+{
+    active = false;
+    paused = false;
+}
+
+