fly/flightgear
1
0
Fork 0
Code Activity

Nasal binding for SGTimeStamp via maketimestamp

Browse source 
usage:

var timer = maketimestamp();

timer.stamp(); # start timing

print("elapsed ",timer.elapsedMSec(),"ms");
This commit is contained in:
Richard Harrison 2019-05-02 07:30:32 +02:00
parent ff7db27cd1
commit 7db06300c0
1 changed files with 42 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
src/Scripting/NasalSys.cxx
View file

@ -37,6 +37,7 @@
#include <simgear/nasal/cppbind/to_nasal.hxx>
#include <simgear/nasal/cppbind/Ghost.hxx>
#include <simgear/nasal/cppbind/NasalHash.hxx>
#include <simgear/timing/timestamp.hxx>
#include "NasalAddons.hxx"
#include "NasalSGPath.hxx"
@ -208,6 +209,35 @@ static void f_timerObj_setSimTime(TimerObj& timer, naContext c, naRef value)
timer.setSimTime(nasal::from_nasal<bool>(c, value));
}
////////////////////
/// Timestamp - used to provide millisecond based timing of operations. See SGTimeStamp
class TimeStampObj : public SGReferenced
{
public:
TimeStampObj(Context *c, FGNasalSys* sys) :
_sys(sys)
{
}
virtual ~TimeStampObj()
{
}
void stamp()
{
timestamp.stamp();
}
int elapsedMSec()
{
return timestamp.elapsedMSec();
}
private:
SGTimeStamp timestamp;
FGNasalSys* _sys;
};
typedef SGSharedPtr<TimeStampObj> TimeStampObjRef;
typedef nasal::Ghost<TimeStampObjRef> NasalTimeStampObj;
///////////////////////////////////////////////////////////////////////////
@ -556,6 +586,12 @@ static naRef f_makeTimer(naContext c, naRef me, int argc, naRef* args)
return nasal::to_nasal(c, timerObj);
}
static naRef f_maketimeStamp(naContext c, naRef me, int argc, naRef* args)
{
TimeStampObj* timeStampObj = new TimeStampObj(c, nasalSys);
return nasal::to_nasal(c, timeStampObj);
}
// setlistener(func, property, bool) extension function. Falls through to
// FGNasalSys::setListener(). See there for docs.
static naRef f_setlistener(naContext c, naRef me, int argc, naRef* args)
@ -878,6 +914,7 @@ static struct { const char* name; naCFunction func; } funcs[] = {
{ "parse_markdown", f_parse_markdown },
{ "md5", f_md5 },
{ "systime", f_systime },
{ "maketimestamp", f_maketimeStamp},
{ 0, 0 }
};
@ -946,6 +983,11 @@ void FGNasalSys::init()
.member("simulatedTime", &TimerObj::isSimTime, &f_timerObj_setSimTime)
.member("isRunning", &TimerObj::isRunning);
NasalTimeStampObj::init("TimeStamp")
.method("stamp", &TimeStampObj::stamp)
.method("elapsedMSec", &TimeStampObj::elapsedMSec)
;
flightgear::addons::initAddonClassesForNasal(_globals, _context);
// Now load the various source files in the Nasal directory