lin_time.h File Reference

#include "vegastrike.h"

Go to the source code of this file.

Macros
#define	VEGA_EPOCH   1136073600.

Functions
void	InitTime ()
double	GetElapsedTime ()
void	UpdateTime ()
void	micro_sleep (unsigned int n)
double	getNewTime ()
void	setNewTime (double newnewtime)
double	queryTime ()
double	realTime ()
float	getTimeCompression ()
void	setTimeCompression (float tc)

Macro Definition Documentation

#define VEGA_EPOCH   1136073600.

Definition at line 26 of file lin_time.h.

Referenced by main().

Function Documentation

double GetElapsedTime

(

)

Definition at line 188 of file lin_time.cpp.

References elapsedtime.

Referenced by Cockpit::Autopilot(), PointStarVlist::BeginDrawState(), bootstrap_draw(), Radar::SphereDisplay::Draw(), Radar::BubbleDisplay::Draw(), Radar::PlaneDisplay::Draw(), Bolt::Draw(), WarpTrail::Draw(), HaloSystem::Draw(), GameUnit< UnitType >::Draw(), BaseInterface::Room::BasePython::Draw(), GameCockpit::Draw(), BaseInterface::Room::BaseTalk::Draw(), Mesh::Draw(), BaseInterface::Draw(), ParticleTrail::DrawAndUpdate(), Unit::FireEngines(), flickerDamage(), Mesh::getLOD(), UnitUtil::getPhysicsPriority(), HaloAccelSmooth(), GameCockpit::IsPaused(), PhysicsSystem::JettisonReactionMass(), GameCockpit::LookupUnitStat(), StarSystem::ProcessPendingJumps(), CockpitKeys::ScrollDown(), CockpitKeys::ScrollUp(), GameCockpit::SetupViewPort(), PhysicsSystem::Update(), StarSystem::Update(), AnimatedTexture::UpdateAllFrame(), MeshAnimation::UpdateFrames(), Camera::UpdateGFX(), CockpitKeys::ZoomIn(), and CockpitKeys::ZoomOut().

{
    return elapsedtime;
}

double getNewTime

(

)

Definition at line 50 of file lin_time.cpp.

References firsttime.

Referenced by AccountServer::AccountServer(), Orders::AggressiveAI::AggressiveAI(), bootstrap_main_loop(), ChooseNavPoint(), Mount::ComputeAnimatedFrame(), GameCockpit::DoAutoLanding(), TextInputDisplay::draw(), GameCockpit::Draw(), NewButton::drawCycleBorder(), PlanetaryOrbit::Execute(), FlyByWire::Execute(), FlyTo::Execute(), Orders::AggressiveAI::ExecuteNoEnemies(), GameUnit< UnitType >::Explode(), flickerDamage(), NetClient::isTime(), GameCockpit::LookupUnitStat(), main_loop(), NetClient::NetClient(), NetServer::NetServer(), PlanetaryOrbit::PlanetaryOrbit(), Unit::reactToCollision(), NetClient::Reconnect(), NetClient::Reinitialize(), NetServer::sendDamages(), GameCockpit::Shake(), AccountServer::start(), NetServer::start(), GameUnit< UnitType >::Thrust(), UniverseUtil::timeofday(), and StarVlist::UpdateGraphics().

{
#ifdef _WIN32
    return dblnewtime-firsttime;
#else
    return newtime-firsttime;
#endif
}

float getTimeCompression

(

)

Definition at line 102 of file lin_time.cpp.

{
    return timecompression;
}

void InitTime

(

)

Definition at line 165 of file lin_time.cpp.

Referenced by bootstrap_main_loop(), main(), AccountServer::start(), and NetServer::start().

{
#ifdef WIN32
    QueryPerformanceFrequency( (LARGE_INTEGER*) &freq );
    QueryPerformanceCounter( (LARGE_INTEGER*) &ttime );

#elif defined (HAVE_GETTIMEOFDAY)
    struct timeval tv;
    (void) gettimeofday( &tv, NULL );

    newtime  = (double) tv.tv_sec+(double) tv.tv_usec*1.e-6;
    lasttime = newtime-.001;

#elif defined (HAVE_SDL)
    newtime  = SDL_GetTicks()*1.e-3;
    lasttime = newtime-.001;

#else
# error "We have no way to determine the time on this system."
#endif
    elapsedtime = .001;
}

void micro_sleep

(

unsigned int

n)

Definition at line 153 of file lin_time.cpp.

{
    struct timeval tv = {
        0, 0
    };

    tv.tv_usec = n%1000000;
    tv.tv_sec  = n/1000000;
    select( 0, NULL, NULL, NULL, &tv );
}

double queryTime

(

)

Definition at line 193 of file lin_time.cpp.

References firsttime.

Referenced by Orders::FireAt::ChooseTargets(), GameStarSystem::Draw(), GameCockpit::Draw(), Orders::AggressiveAI::Execute(), GFXGetFramerate(), NetClient::loginAcctLoop(), VsnetHTTPSocket::need_test_writable(), VsnetHTTPSocket::reopenConnection(), VsnetHTTPSocket::resendData(), setNewTime(), NetClient::synchronizeTime(), StarSystem::Update(), GameUnit< UnitType >::UpdatePhysics2(), and StarSystem::UpdateUnitPhysics().

{
#ifdef WIN32
    LONGLONG tmpnewtime;
    QueryPerformanceCounter( (LARGE_INTEGER*) &tmpnewtime );
    return ( (double) tmpnewtime )/(double) freq-firsttime;
#elif defined (HAVE_GETTIMEOFDAY)
    struct timeval tv;
    (void) gettimeofday( &tv, NULL );
    double tmpnewtime = (double) tv.tv_sec+(double) tv.tv_usec*1.e-6;
    return tmpnewtime-firsttime;
#elif defined (HAVE_SDL)
    double tmpnewtime = SDL_GetTicks()*1.e-3;
    return tmpnewtime-firsttime;
#else
# error "We have no way to determine the time on this system."
    return 0.;
#endif
}

double realTime

(

)

Definition at line 213 of file lin_time.cpp.

Referenced by Audio::SceneManager::commit(), BaseInterface::Room::BaseVSMovie::Draw(), Audio::getRealTime(), Mount::PhysicsAlignedFire(), BaseInterface::Room::BaseVSMovie::SetHidePointer(), Audio::Test::testMultiStreaming(), Audio::Test::testMultiStreaming2(), Audio::Test::testStreaming(), and AnimatedTexture::UpdateAllFrame().

{
#ifdef WIN32
    LONGLONG tmpnewtime;
    QueryPerformanceCounter( (LARGE_INTEGER*) &tmpnewtime );
    return ( (double) tmpnewtime )/(double) freq;
#elif defined (HAVE_GETTIMEOFDAY)
    struct timeval tv;
    (void) gettimeofday( &tv, NULL );
    double tmpnewtime = (double) tv.tv_sec+(double) tv.tv_usec*1.e-6;
#elif defined (HAVE_SDL)
    double tmpnewtime = SDL_GetTicks()*1.e-3;
#else
# error "We have no way to determine the time on this system."
    double tmpnewtime = 0.;
#endif

    static double reallyfirsttime = tmpnewtime;
    return tmpnewtime - reallyfirsttime;
}

void setNewTime

(

double

newnewtime)

Definition at line 268 of file lin_time.cpp.

References firsttime, queryTime(), and UpdateTime().

Referenced by bootstrap_main_loop(), main(), and NetClient::synchronizeTime().

{
    firsttime -= newnewtime-queryTime();
    UpdateTime();
}

void setTimeCompression

(

float

tc)

Definition at line 107 of file lin_time.cpp.

Referenced by UniverseUtil::SetTimeCompression(), and toggle_pause().

{
    timecompression = tc;
    timecount = 0;     //to avoid any problems with time compression sounds... use getTimeCompression() instead
}

void UpdateTime

(

)

Definition at line 234 of file lin_time.cpp.

References first(), firsttime, lasttime, newtime, and timecompression.

Referenced by AccountServer::AccountServer(), base_main_loop(), bootstrap_draw(), bootstrap_main_loop(), createObjects(), gamemenu_draw(), GameStarSystem::GameStarSystem(), main(), NetServer::NetServer(), setNewTime(), AccountServer::start(), NetServer::start(), and GameUniverse::StartDraw().

{
    static bool first=true;
#ifdef WIN32
    QueryPerformanceCounter( (LARGE_INTEGER*) &newtime );
    elapsedtime = ( (double) (newtime-ttime) )/freq;
    ttime = newtime;
    if (freq == 0)
        dblnewtime = 0.;
    else
        dblnewtime = ( (double) newtime )/( (double) freq );
    if (first)
        firsttime = dblnewtime;
#elif defined (HAVE_GETTIMEOFDAY)
    struct timeval tv;
    (void) gettimeofday( &tv, NULL );
    lasttime    = newtime;
    newtime     = (double) tv.tv_sec+(double) tv.tv_usec*1.e-6;
    elapsedtime = newtime-lasttime;
    if (first)
        firsttime = newtime;
#elif defined (HAVE_SDL)
    lasttime    = newtime;
    newtime     = SDL_GetTicks()*1.e-3;
    elapsedtime = newtime-lasttime;
    if (first)
        firsttime = newtime;
#else
# error "We have no way to determine the time on this system."
#endif
    elapsedtime *= timecompression;
    first=false;
}