Use chrono for GetTicks and move into Platform.Common.cpp

src/openrct2/platform/Platform.Common.cpp

@@ -48,7 +48,6 @@ namespace Platform
             Platform::AndroidInitClassLoader();
 #endif // __ANDROID__
 
-            InitTicks();
             BitCountInit();
             MaskInit();
         }
@@ -144,4 +143,12 @@ namespace Platform
         std::this_thread::sleep_for(std::chrono::milliseconds(ms));
     }
 
+    static const auto _processStartTime = std::chrono::high_resolution_clock::now();
+
+    uint32_t GetTicks()
+    {
+        const auto processTime = std::chrono::high_resolution_clock::now() - _processStartTime;
+        return static_cast<uint32_t>(std::chrono::duration_cast<std::chrono::milliseconds>(processTime).count());
+    }
+
 } // namespace Platform

src/openrct2/platform/Platform.Posix.cpp

@@ -379,20 +379,6 @@ namespace Platform
         return u8"app_285330" PATH_SEPARATOR u8"depot_285331";
     }
 
-    void InitTicks()
-    {
-    }
-
-    uint32_t GetTicks()
-    {
-        struct timespec ts;
-        if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
-        {
-            LOG_FATAL("clock_gettime failed");
-            exit(-1);
-        }
-        return static_cast<uint32_t>(ts.tv_sec * 1000 + ts.tv_nsec / 1000000);
-    }
 } // namespace Platform
 
 #endif

src/openrct2/platform/Platform.Win32.cpp

@@ -41,10 +41,6 @@
 #    pragma comment(                                                                                                           \
         linker,                                                                                                                \
         "\"/manifestdependency:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
-
-static uint32_t _frequency = 0;
-static LARGE_INTEGER _entryTimestamp;
-
 // The name of the mutex used to prevent multiple instances of the game from running
 static constexpr wchar_t SINGLE_INSTANCE_MUTEX_NAME[] = L"RollerCoaster Tycoon 2_GSKMUTEX";
 
@@ -901,24 +897,6 @@ namespace Platform
         return false;
     }
 
-    uint32_t GetTicks()
-    {
-        LARGE_INTEGER pfc;
-        QueryPerformanceCounter(&pfc);
-
-        LARGE_INTEGER runningDelta;
-        runningDelta.QuadPart = pfc.QuadPart - _entryTimestamp.QuadPart;
-
-        return static_cast<uint32_t>(runningDelta.QuadPart / _frequency);
-    }
-
-    void InitTicks()
-    {
-        LARGE_INTEGER freq;
-        QueryPerformanceFrequency(&freq);
-        _frequency = static_cast<uint32_t>(freq.QuadPart / 1000);
-        QueryPerformanceCounter(&_entryTimestamp);
-    }
 } // namespace Platform
 
 #endif

src/openrct2/platform/Platform.h

@@ -125,7 +125,6 @@ namespace Platform
     uint32_t GetTicks();
 
     void Sleep(uint32_t ms);
-    void InitTicks();
 } // namespace Platform
 
 #ifdef __ANDROID__