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Fixes to try to break through the win95/98 18.3 fps barrier.

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curt 1998-10-02 21:36:09 +00:00
parent 3e24bc7e23
commit 71b78dc87c
1 changed files with 29 additions and 5 deletions
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34
Time/fg_time.cxx
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@ -42,8 +42,15 @@
# include <sys/time.h> // for get/setitimer, gettimeofday, struct timeval
#endif
//#include <Astro/orbits.hxx>
//#include <Astro/sun.hxx>
#ifdef WIN32
# include <windows.h>
# ifdef __CYGWIN32__
# define NEAR /* */
# define FAR /* */
# endif
# include <mmsystem.h>
#endif
#include <Astro/sky.hxx>
#include <Astro/solarsystem.hxx>
#include <Debug/fg_debug.h>
@ -92,7 +99,12 @@ void fgTimeInit(fgTIME *t) {
// Portability wrap to get current time.
void timestamp(fg_timestamp *timestamp) {
#if defined( HAVE_GETTIMEOFDAY )
#if defined( WIN32 )
unsigned int t;
t = timeGetTime();
timestamp->seconds = 0;
timestamp->millis = t;
#elif defined( HAVE_GETTIMEOFDAY )
struct timeval current;
struct timezone tz;
// fg_timestamp currtime;
@ -117,16 +129,25 @@ void timestamp(fg_timestamp *timestamp) {
// Return duration in millis from first to last
long timediff(fg_timestamp *first, fg_timestamp *last) {
return 1000 * (last->seconds - first->seconds) +
(last->millis - first->millis);
#if defined( WIN32 )
return (last->millis - first->millis);
#else
return ( 1000 * (last->seconds - first->seconds) +
(last->millis - first->millis) );
#endif
}
// Return new timestamp given a time stamp and an interval to add in
void timesum(fg_timestamp *res, fg_timestamp *start, long millis) {
#ifdef WIN32
res->seconds = 0;
res->millis = ( start->millis + millis );
#else
res->seconds = start->seconds +
( start->millis + millis ) / 1000;
res->millis = ( start->millis + millis ) % 1000;
#endif
}
@ -427,6 +448,9 @@ void fgTimeUpdate(fgFLIGHT *f, fgTIME *t) {
// $Log$
// Revision 1.18 1998/10/02 21:36:09 curt
// Fixes to try to break through the win95/98 18.3 fps barrier.
//
// Revision 1.17 1998/09/15 04:27:49 curt
// Changes for new astro code.
//