Fix Timer

project/Build.xml

@@ -51,6 +51,7 @@
 		<file name="src/app/UpdateEvent.cpp" />
 		<file name="src/graphics/PNG.cpp" />
 		<file name="src/graphics/RenderEvent.cpp" />
+		<file name="src/system/System.cpp" />
 		<file name="src/ui/KeyEvent.cpp" />
 		<file name="src/ui/MouseEvent.cpp" />
 		<file name="src/ui/TouchEvent.cpp" />

project/include/system/System.h

@@ -0,0 +1,22 @@
+#ifndef LIME_SYSTEM_SYSTEM_H
+#define LIME_SYSTEM_SYSTEM_H
+
+
+namespace lime {
+	
+	
+	class System {
+		
+		
+		public:
+			
+			static double GetTimestamp ();
+		
+		
+	};
+	
+	
+}
+
+
+#endif

project/src/ExternalInterface.cpp

@@ -13,6 +13,7 @@
 #include <graphics/PNG.h>
 #include <graphics/Renderer.h>
 #include <graphics/RenderEvent.h>
+#include <system/System.h>
 #include <ui/KeyEvent.h>
 #include <ui/MouseEvent.h>
 #include <ui/TouchEvent.h>
@@ -133,6 +134,13 @@ namespace lime {
 	}
 	
 	
+	value lime_system_get_timestamp () {
+		
+		return alloc_float (System::GetTimestamp ());
+		
+	}
+	
+	
 	value lime_touch_event_manager_register (value callback, value eventObject) {
 		
 		TouchEvent::callback = new AutoGCRoot (callback);
@@ -180,6 +188,7 @@ namespace lime {
 	DEFINE_PRIM (lime_renderer_create, 1);
 	DEFINE_PRIM (lime_renderer_flip, 1);
 	DEFINE_PRIM (lime_render_event_manager_register, 2);
+	DEFINE_PRIM (lime_system_get_timestamp, 0);
 	DEFINE_PRIM (lime_touch_event_manager_register, 2);
 	DEFINE_PRIM (lime_update_event_manager_register, 2);
 	DEFINE_PRIM (lime_window_create, 1);

project/src/system/System.cpp

@@ -0,0 +1,132 @@
+#ifdef HX_WINDOWS
+
+#include <windows.h>
+#include <Shlobj.h>
+#include <time.h>
+
+#elif defined (EPPC)
+
+#include <time.h>
+#include <stdint.h>
+
+#else
+
+#include <sys/time.h>
+#include <stdint.h>
+
+#ifdef HX_LINUX
+#include <unistd.h>
+#include <stdio.h>
+#endif
+
+#ifndef EMSCRIPTEN
+typedef uint64_t __int64;
+#endif
+
+#endif
+
+#ifdef HX_MACOS
+#include <mach/mach_time.h>  
+#include <mach-o/dyld.h>
+#include <CoreServices/CoreServices.h>
+#endif
+
+#ifdef ANDROID
+#include <android/log.h>
+#endif
+
+#ifdef TIZEN
+#include <FSystem.h>
+#endif
+
+#ifdef IPHONE
+#include <QuartzCore/QuartzCore.h>
+#endif
+
+#include <system/System.h>
+
+
+namespace lime {
+	
+	
+	double System::GetTimestamp () {
+		
+		#ifdef _WIN32
+		
+		static __int64 t0 = 0;
+		static double period = 0;
+		__int64 now;
+		
+		if (QueryPerformanceCounter ((LARGE_INTEGER*)&now)) {
+			
+			if (t0 == 0) {
+				
+				t0 = now;
+				__int64 freq;
+				QueryPerformanceFrequency ((LARGE_INTEGER*)&freq);
+				
+				if (freq != 0)
+					period = 1.0 / freq;
+				
+			}
+			
+			if (period != 0)
+				return (now - t0) * period;
+			
+		}
+		
+		return (double)clock () / ((double)CLOCKS_PER_SEC);
+		
+		#elif defined (HX_MACOS)
+		
+		static double time_scale = 0.0;
+		
+		if (time_scale == 0.0) {
+			
+			mach_timebase_info_data_t info;
+			mach_timebase_info (&info);  
+			time_scale = 1e-9 * (double)info.numer / info.denom;
+			
+		}
+		
+		double r = mach_absolute_time () * time_scale;  
+		return mach_absolute_time () * time_scale;
+		
+		#else
+		
+		static double t0 = 0;
+		
+		#if defined (IPHONE)
+		
+		double t = CACurrentMediaTime (); 
+		
+		#elif defined (GPH) || defined (HX_LINUX) || defined (EMSCRIPTEN)
+		
+		struct timeval tv;
+		if (gettimeofday (&tv, NULL))
+			return 0;
+		double t = (tv.tv_sec + ((double)tv.tv_usec) / 1000000.0);
+		
+		#elif defined (EPPC)
+		
+		time_t tod;
+		time (&tod);
+		double t = (double)tod;
+		
+		#else
+		
+		struct timespec ts;
+		clock_gettime (CLOCK_MONOTONIC, &ts);
+		double t = (ts.tv_sec + ((double)ts.tv_nsec) * 1e-9);
+		
+		#endif
+		
+		if (t0 == 0) t0 = t;
+			return t - t0;
+		
+		#endif
+		
+	}
+	
+	
+}