Added static class PerformanceTimer. Changed CMakeLists for engine to include boost timer. Added F2,F3 functions in editor. Added some timing, more to be added

src/Engine/Core/PerformanceTimer.cpp

@@ -0,0 +1,87 @@
+#include "Core/PerformanceTimer.h"
+#include <iostream>
+#include <ctime>
+#include <fstream>
+#include <Windows.h>
+
+cpu_timer PerformanceTimer::m_Timer;
+double PerformanceTimer::m_TimeElapsed;
+std::map<std::string, cpu_timer> PerformanceTimer::timers;
+std::string PerformanceTimer::currentTimerRunning = "";
+
+void PerformanceTimer::StartTimer(std::string nameOfTimer)
+{
+    timers[nameOfTimer].stop();
+    timers[nameOfTimer].start();
+    currentTimerRunning = nameOfTimer;
+}
+
+void PerformanceTimer::StartTimerAndStopPrevious(std::string nameOfTimer)
+{
+    //stop the current timer and start some other - useful to not have to stop timers all the time
+    if (currentTimerRunning != "") {
+        timers[currentTimerRunning].stop();
+    }
+    timers[nameOfTimer].stop();
+    timers[nameOfTimer].start();
+    currentTimerRunning = nameOfTimer;
+}
+
+
+
+void PerformanceTimer::StopTimer(std::string nameOfTimer)
+{
+    timers[nameOfTimer].stop();
+    currentTimerRunning = nameOfTimer;
+}
+
+
+
+void PerformanceTimer::SetFrameNumber(int frameNumber)
+{
+}
+
+void PerformanceTimer::ResetAllTimers()
+{
+    //stop all timers
+    for (auto aTimer : timers)
+    {
+        aTimer.second.stop();
+    }
+    currentTimerRunning = "";
+    timers.clear();
+}
+
+void PerformanceTimer::CreateExcelData()
+{
+    //wall = http://theboostcpplibraries.com/boost.timer
+    //http://www.boost.org/doc/libs/1_48_0/libs/timer/doc/cpu_timers.html
+
+    //get path,time
+    char	Dump_Path[MAX_PATH];
+    GetModuleFileName(NULL, Dump_Path, sizeof(Dump_Path));	//path of current process
+    std::time_t t = std::time(NULL);
+    char tStr[16];
+    std::strftime(tStr, 32, " %a %H-%M-%S", std::localtime(&t));
+    std::string time(tStr);
+    std::string path(Dump_Path);
+    path = path.substr(0, path.length() - 4);
+    path += time + ".xls";
+    std::ofstream someFileStream;
+    someFileStream.open(path, std::ofstream::out);
+    someFileStream << "classname" << ',' << "walltime" << ',' << "userTime" << ',' << "systemTime" << '\n';
+    for (auto aTimer : timers)
+    {
+        //remove the "class" name in front of the string
+        auto className = aTimer.first;
+        if (className.find("class ") != std::string::npos) {
+            className.replace(0, 6, "");
+        }
+        auto wallTime = (double)aTimer.second.elapsed().wall*1e-3;
+        auto userTime = (double)aTimer.second.elapsed().user*1e-3;
+        auto systemTime = (double)aTimer.second.elapsed().system*1e-3;
+
+        someFileStream << className << "," << wallTime << ',' << userTime << ',' << systemTime << '\n';
+    }
+    someFileStream.close();
+}