Reorganize source files into logical subdirectories

Co-authored-by: Hirek193 <23196899+Hirek193@users.noreply.github.com>

utilities/Timer.cpp

@@ -0,0 +1,113 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#include "stdafx.h"
+#include "Timer.h"
+#include "Globals.h"
+#include "winheaders.h"
+
+namespace Timer {
+
+subsystem_stopwatches subsystem;
+
+double DeltaTime = 0.0, DeltaRenderTime = 0.0;
+double fFPS{ 0.0f };
+double fLastTime{ 0.0f };
+DWORD dwFrames{ 0 };
+double fSimulationTime{ 0.0 };
+double fRenderTime{ 0.0 };
+double fSoundTimer{ 0.0 };
+double fSinceStart{ 0.0 };
+double override_delta = -1.0f;
+
+double GetTime()
+{
+    return fSimulationTime;
+}
+
+double GetRenderTime() {
+    return fRenderTime;
+}
+
+double GetDeltaTime()
+{ // czas symulacji (stoi gdy pauza)
+	if (override_delta != -1.0f)
+		return override_delta;
+    return DeltaTime;
+}
+
+double GetDeltaRenderTime()
+{ // czas renderowania (do poruszania się)
+    return DeltaRenderTime;
+}
+
+void set_delta_override(double t)
+{
+	override_delta = t;
+}
+
+void ResetTimers()
+{
+    UpdateTimers( Global.iPause != 0 );
+	DeltaTime = 0.0;
+    DeltaRenderTime = 0.0;
+}
+
+uint64_t fr, count, oldCount;
+
+void UpdateTimers(bool pause)
+{
+#ifdef _WIN32
+    QueryPerformanceFrequency((LARGE_INTEGER *)&fr);
+    QueryPerformanceCounter((LARGE_INTEGER *)&count);
+#elif __unix__
+	timespec ts;
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+	count = (uint64_t)ts.tv_sec * 1000000000 + (uint64_t)ts.tv_nsec;
+	fr = 1000000000;
+#endif
+    DeltaRenderTime = double(count - oldCount) / double(fr);
+    fRenderTime += DeltaRenderTime;
+    if (!pause)
+    {
+        DeltaTime = Global.fTimeSpeed * DeltaRenderTime;
+        fSoundTimer += DeltaTime;
+        if (fSoundTimer > 0.1)
+            fSoundTimer = 0.0;
+
+        if (DeltaTime > 1.0)
+            DeltaTime = 1.0;
+
+		fSimulationTime += GetDeltaTime();
+    }
+    else
+        DeltaTime = 0.0; // wszystko stoi, bo czas nie płynie
+
+    oldCount = count;
+    // Keep track of the time lapse and frame count
+#if __unix__
+	double fTime = (double)(count / 1000000000);
+#elif _WIN32_WINNT >= _WIN32_WINNT_VISTA
+    double fTime = ::GetTickCount64() * 0.001f; // Get current time in seconds
+#elif _WIN32
+    double fTime = ::GetTickCount() * 0.001f; // Get current time in seconds
+#endif
+    ++dwFrames; // licznik ramek
+    // update the frame rate once per second
+    if (fTime - fLastTime > 1.0f)
+    {
+        fFPS = dwFrames / (fTime - fLastTime);
+        fLastTime = fTime;
+        dwFrames = 0L;
+    }
+};
+
+}; // namespace timer
+
+//---------------------------------------------------------------------------