/******************************************************************************
* render a whole animation (visualization mode)
* this function is run in another thread, and communicates
* with the parent thread via a mutex
*****************************************************************************/
int ntlWorld::renderVisualization( bool multiThreaded )
{
#ifndef NOGUI
if(getElbeemState() != SIMWORLD_INITED) { return 0; }
if(multiThreaded) mThreadRunning = true;
// TODO, check global state?
while(!getStopRenderVisualization()) {
if(mpSims->size() <= 0) {
debMsgStd("ntlWorld::renderVisualization",DM_NOTIFY,"No simulations found, stopping...",1);
stopSimulationThread();
break;
}
// determine stepsize
if(!mSingleStepDebug) {
long startTime = getTime();
advanceSims(mFrameCnt);
mFrameCnt++;
long stopTime = getTime();
debMsgStd("ntlWorld::renderVisualization",DM_MSG,"Time for t="<<mSimulationTime<<": "<< getTimeString(stopTime-startTime) <<" ", 10);
} else {
double targetTime = mSimulationTime + (*mpSims)[mFirstSim]->getTimestep();
singleStepSims(targetTime);
// check paniced sims (normally done by advanceSims
bool allPanic = true;
for(size_t i=0;i<mpSims->size();i++) {
if(!(*mpSims)[i]->getPanic()) allPanic = false;
}
if(allPanic) {
warnMsg("ntlWorld::advanceSims","All sims panicked... stopping thread" );
setStopRenderVisualization( true );
}
if(! isSimworldOk() ) {
warnMsg("ntlWorld::advanceSims","World state error... stopping" );
setStopRenderVisualization( true );
}
}
// save frame
if(mpOpenGLRenderer) mpOpenGLRenderer->saveAnimationFrame( mSimulationTime );
// for non-threaded check events
if(!multiThreaded) {
Fl::check();
gpElbeemFrame->SceneDisplay->doOnlyForcedRedraw();
}
}
mThreadRunning = false;
stopSimulationRestoreGui();
#else
multiThreaded = false; // remove warning
#endif
return 0;
}
/******************************************************************************
* advance simulations by time t
*****************************************************************************/
int ntlWorld::advanceSims(int framenum)
{
bool done = false;
bool allPanic = true;
// stop/quit, dont display/render
if(getElbeemState()==SIMWORLD_STOP) {
return 1;
}
for(size_t i=0;i<mpSims->size();i++) { (*mpSims)[i]->setFrameNum(framenum); }
double targetTime = mSimulationTime + (*mpSims)[mFirstSim]->getFrameTime(framenum);
// time stopped? nothing else to do...
if( (*mpSims)[mFirstSim]->getFrameTime(framenum) <= 0.0 ){
done=true; allPanic=false;
}
int gstate = 0;
myTime_t advsstart = getTime();
// step all the sims, and check for panic
debMsgStd("ntlWorld::advanceSims",DM_MSG, " sims "<<mpSims->size()<<" t"<<targetTime<<" done:"<<done<<" panic:"<<allPanic<<" gstate:"<<gstate, 10); // debug // timedebug
while(!done) {
double nextTargetTime = (*mpSims)[mFirstSim]->getCurrentTime() + (*mpSims)[mFirstSim]->getTimestep();
singleStepSims(nextTargetTime);
// check target times
done = true;
allPanic = false;
if((*mpSims)[mFirstSim]->getTimestep() <1e-9 ) {
// safety check, avoid timesteps that are too small
errMsg("ntlWorld::advanceSims","Invalid time step, causing panic! curr:"<<(*mpSims)[mFirstSim]->getCurrentTime()<<" next:"<<nextTargetTime<<", stept:"<< (*mpSims)[mFirstSim]->getTimestep() );
allPanic = true;
} else {
for(size_t i=0;i<mpSims->size();i++) {
if(!(*mpSims)[i]->getVisible()) continue;
if((*mpSims)[i]->getPanic()) allPanic = true; // do any panic now!?
debMsgStd("ntlWorld::advanceSims",DM_MSG, "Sim "<<i<<", currt:"<<(*mpSims)[i]->getCurrentTime()<<", nt:"<<nextTargetTime<<", panic:"<<(*mpSims)[i]->getPanic()<<", targett:"<<targetTime, 10); // debug // timedebug
}
}
if( (targetTime - (*mpSims)[mFirstSim]->getCurrentTime()) > LBM_TIME_EPSILON) done=false;
if(allPanic) done = true;
}
if(allPanic) {
warnMsg("ntlWorld::advanceSims","All sims panicked... stopping thread" );
setStopRenderVisualization( true );
return 1;
}
myTime_t advsend = getTime();
debMsgStd("ntlWorld::advanceSims",DM_MSG,"Overall steps so far took:"<< getTimeString(advsend-advsstart)<<" for sim time "<<targetTime, 4);
// finish step
for(size_t i=0;i<mpSims->size();i++) {
SimulationObject *sim = (*mpSims)[i];
if(!sim->getVisible()) continue;
if(sim->getPanic()) continue;
sim->prepareVisualization();
}
return 0;
}
/******************************************************************************
* advance simulations by time t
*****************************************************************************/
int ntlWorld::advanceSims(int framenum)
{
bool done = false;
bool allPanic = true;
// stop/quit (abort), dont display/render
if(!isSimworldOk()) {
return 1;
}
for(size_t i=0;i<mpSims->size();i++) { (*mpSims)[i]->setFrameNum(framenum); }
// time stopped? nothing else to do...
if( (*mpSims)[mFirstSim]->getFrameTime(framenum) <= 0.0 ){
done=true; allPanic=false;
/* DG: Need to check for user cancel here (fix for [#30298]) */
(*mpSims)[mFirstSim]->checkCallerStatus(FLUIDSIM_CBSTATUS_STEP, 0);
}
// Prevent bug [#29186] Object contribute to fluid sim animation start earlier than keyframe
// Was: double targetTime = mSimulationTime + (*mpSims)[mFirstSim]->getFrameTime(framenum); - DG
double totalTime = 0.0, targetTime = 0.0;
for(size_t i = 0; i < mSimFrameCnt; i++)
{
/* We need an intermediate array "mSimFrameValue" because
otherwise if we don't start with starttime = 0,
the sim gets out of sync - DG */
totalTime += (*mpSims)[mFirstSim]->getFrameTime(mSimFrameValue[i]);
}
targetTime = totalTime + (*mpSims)[mFirstSim]->getFrameTime(framenum);
int gstate = 0;
myTime_t advsstart = getTime();
// step all the sims, and check for panic
debMsgStd("ntlWorld::advanceSims",DM_MSG, " sims "<<mpSims->size()<<" t"<<targetTime<<" done:"<<done<<" panic:"<<allPanic<<" gstate:"<<gstate, 10); // debug // timedebug
while(!done) {
double nextTargetTime = (*mpSims)[mFirstSim]->getCurrentTime() + (*mpSims)[mFirstSim]->getTimestep();
singleStepSims(nextTargetTime);
// check target times
done = true;
allPanic = false;
if((*mpSims)[mFirstSim]->getTimestep() <1e-9 ) {
// safety check, avoid timesteps that are too small
errMsg("ntlWorld::advanceSims","Invalid time step, causing panic! curr:"<<(*mpSims)[mFirstSim]->getCurrentTime()<<" next:"<<nextTargetTime<<", stept:"<< (*mpSims)[mFirstSim]->getTimestep() );
allPanic = true;
} else {
for(size_t i=0;i<mpSims->size();i++) {
if(!(*mpSims)[i]->getVisible()) continue;
if((*mpSims)[i]->getPanic()) allPanic = true; // do any panic now!?
debMsgStd("ntlWorld::advanceSims",DM_MSG, "Sim "<<i<<", currt:"<<(*mpSims)[i]->getCurrentTime()<<", nt:"<<nextTargetTime<<", panic:"<<(*mpSims)[i]->getPanic()<<", targett:"<<targetTime, 10); // debug // timedebug
}
}
if( (targetTime - (*mpSims)[mFirstSim]->getCurrentTime()) > LBM_TIME_EPSILON) done=false;
if(allPanic) done = true;
}
if(allPanic) {
warnMsg("ntlWorld::advanceSims","All sims panicked... stopping thread" );
setStopRenderVisualization( true );
return 1;
}
myTime_t advsend = getTime();
debMsgStd("ntlWorld::advanceSims",DM_MSG,"Overall steps so far took:"<< getTimeString(advsend-advsstart)<<" for sim time "<<targetTime, 4);
// finish step
for(size_t i=0;i<mpSims->size();i++) {
SimulationObject *sim = (*mpSims)[i];
if(!sim->getVisible()) continue;
if(sim->getPanic()) continue;
sim->prepareVisualization();
}
mSimFrameValue.push_back(framenum);
mSimFrameCnt++;
return 0;
}