* Adjustment: Initial work on moving x86Unix platform code into a more common POSIX platform.

Engine/source/platformPOSIX/POSIXTime.cpp

@@ -0,0 +1,163 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifndef __APPLE__
+
+#include "platformX86UNIX/platformX86UNIX.h"
+#include "platform/platformTimer.h"
+#include "time.h"
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <unistd.h>
+
+static U32 sgCurrentTime = 0;
+
+U32 x86UNIXGetTickCount();
+
+//--------------------------------------
+void Platform::getLocalTime(LocalTime &lt)
+{
+   struct tm *systime;
+   time_t long_time;
+
+   time( &long_time );                // Get time as long integer.
+   systime = localtime( &long_time ); // Convert to local time.
+   
+   lt.sec      = systime->tm_sec;      
+   lt.min      = systime->tm_min;      
+   lt.hour     = systime->tm_hour;     
+   lt.month    = systime->tm_mon;    
+   lt.monthday = systime->tm_mday; 
+   lt.weekday  = systime->tm_wday;  
+   lt.year     = systime->tm_year;     
+   lt.yearday  = systime->tm_yday;  
+   lt.isdst    = systime->tm_isdst;    
+}  
+
+String Platform::localTimeToString( const LocalTime &lt )
+{
+   tm systime;
+   
+   systime.tm_sec    = lt.sec;
+   systime.tm_min    = lt.min;
+   systime.tm_hour   = lt.hour;
+   systime.tm_mon    = lt.month;
+   systime.tm_mday   = lt.monthday;
+   systime.tm_wday   = lt.weekday;
+   systime.tm_year   = lt.year;
+   systime.tm_yday   = lt.yearday;
+   systime.tm_isdst  = lt.isdst;
+
+   return asctime( &systime );
+}
+
+U32 Platform::getTime()
+{
+   time_t long_time;
+   time( &long_time );
+   return long_time;
+}   
+
+U32 Platform::getRealMilliseconds()
+{
+//   struct rusage usageStats;
+//   getrusage(RUSAGE_SELF, &usageStats);
+//   return usageStats.ru_utime.tv_usec;
+   return x86UNIXGetTickCount();
+}
+
+U32 Platform::getVirtualMilliseconds()
+{
+   return sgCurrentTime;
+}   
+
+void Platform::advanceTime(U32 delta)
+{
+   sgCurrentTime += delta;
+}   
+
+void Platform::fileToLocalTime(const FileTime & ft, LocalTime * lt)
+{
+   if(!lt)
+      return;
+      
+   time_t long_time = ft;
+
+   struct tm systime;
+
+   /// Convert to local time, thread safe.
+   localtime_r( &long_time, &systime );
+   
+   /// Fill the return struct
+   lt->sec      = systime.tm_sec;
+   lt->min      = systime.tm_min;
+   lt->hour     = systime.tm_hour;
+   lt->month    = systime.tm_mon;
+   lt->monthday = systime.tm_mday;
+   lt->weekday  = systime.tm_wday;
+   lt->year     = systime.tm_year;
+   lt->yearday  = systime.tm_yday;
+   lt->isdst    = systime.tm_isdst;
+}
+
+PlatformTimer *PlatformTimer::create()
+{
+   return new DefaultPlatformTimer();
+}
+//------------------------------------------------------------------------------
+//-------------------------------------- x86UNIX Implementation
+//
+//
+static bool   sg_initialized = false;
+static U32 sg_secsOffset  = 0;
+//--------------------------------------
+U32 x86UNIXGetTickCount()
+{
+   // TODO: What happens when crossing a day boundary?
+   //
+   timeval t;
+
+   if (sg_initialized == false) {
+      sg_initialized = true;
+
+      gettimeofday(&t, NULL);
+      sg_secsOffset = t.tv_sec;
+   }
+
+   gettimeofday(&t, NULL);
+
+   U32 secs  = t.tv_sec - sg_secsOffset;
+   U32 uSecs = t.tv_usec;
+
+   // Make granularity 1 ms
+   return (secs * 1000) + (uSecs / 1000);
+}
+
+
+void Platform::sleep(U32 ms)
+{
+	// note: this will overflow if you want to sleep for more than 49 days. just so ye know.
+	usleep( ms * 1000 );
+}
+#endif