bool PFOperatorSimpleSpeed::Proceed(IObject* pCont,
PreciseTimeValue timeStart,
PreciseTimeValue& timeEnd,
Object* pSystem,
INode* pNode,
INode* actionNode,
IPFIntegrator* integrator)
{
// acquire all necessary channels, create additional if needed
IParticleChannelNewR* chNew = GetParticleChannelNewRInterface(pCont);
if(chNew == NULL) return false;
IParticleChannelPTVR* chTime = GetParticleChannelTimeRInterface(pCont);
if(chTime == NULL) return false;
IParticleChannelAmountR* chAmount = GetParticleChannelAmountRInterface(pCont);
if(chAmount == NULL) return false;
// the position channel may not be present. For some option configurations it is okay
IParticleChannelPoint3R* chPos = GetParticleChannelPositionRInterface(pCont);
int iDir = _pblock()->GetInt(kSimpleSpeed_direction, timeStart);
if ((chPos == NULL) && ((iDir == kSS_Icon_Center_Out) || (iDir == kSS_Icon_Arrow_Out)))
return false;
IChannelContainer* chCont;
chCont = GetChannelContainerInterface(pCont);
if (chCont == NULL) return false;
// the channel of interest
bool initSpeed = false;
IParticleChannelPoint3W* chSpeed = (IParticleChannelPoint3W*)chCont->EnsureInterface(PARTICLECHANNELSPEEDW_INTERFACE,
ParticleChannelPoint3_Class_ID,
true, PARTICLECHANNELSPEEDR_INTERFACE,
PARTICLECHANNELSPEEDW_INTERFACE, true,
actionNode, (Object*)NULL, &initSpeed);
IParticleChannelPoint3R* chSpeedR = GetParticleChannelSpeedRInterface(pCont);
if ((chSpeed == NULL) || (chSpeedR == NULL)) return false;
// there are no new particles
if (chNew->IsAllOld()) return true;
float fUPFScale = 1.0f/TIME_TICKSPERSEC; // conversion units per seconds to units per tick
Point3 pt3SpeedVec;
RandGenerator* prg = randLinker().GetRandGenerator(pCont);
int iQuant = chAmount->Count();
bool wasIgnoringEmitterTMChange = IsIgnoringEmitterTMChange();
if (!wasIgnoringEmitterTMChange) SetIgnoreEmitterTMChange();
for(int i = 0; i < iQuant; i++) {
if(chNew->IsNew(i)) { // apply only to new particles
TimeValue tv = chTime->GetValue(i).TimeValue();
Matrix3 nodeTM = pNode->GetObjectTM(tv);
float fSpeedParam = fUPFScale * GetPFFloat(pblock(), kSimpleSpeed_speed, tv);
// change speed in user selected direction
switch(iDir) {
case kSS_Along_Icon_Arrow: {
// icon arrow appears to be in the negative z direction
pt3SpeedVec = -Normalize(nodeTM.GetRow(2));
}
break;
case kSS_Icon_Center_Out: {
Point3 pt3IconCenter = nodeTM.GetTrans();
Point3 pt3PartPos = chPos->GetValue(i);
pt3SpeedVec = Normalize(pt3PartPos - pt3IconCenter);
}
break;
case kSS_Icon_Arrow_Out: {
Point3 pt3PartPos = chPos->GetValue(i);
Point3 pt3ArrowVec = nodeTM.GetRow(2);
Point3 pt3Tmp = CrossProd(pt3PartPos - nodeTM.GetTrans(), pt3ArrowVec);
pt3SpeedVec = Normalize(CrossProd(pt3ArrowVec, pt3Tmp));
}
break;
case kSS_Rand_3D: {
pt3SpeedVec = RandSphereSurface(prg);
}
break;
case kSS_Rand_Horiz: {
float fAng = TWOPI * prg->Rand01();
// establish x, y coordinates of random angle, z component zero
float x = cos(fAng); float y = sin(fAng); float z = 0.0f;
pt3SpeedVec = Point3(x, y, z);
}
break;
case kSS_Inherit_Prev: {
if (initSpeed)
pt3SpeedVec = Point3::Origin;
else
pt3SpeedVec = Normalize(chSpeedR->GetValue(i));
}
break;
}
// account for reverse check box
int iRev = _pblock()->GetInt(kSimpleSpeed_reverse, 0);
float fDirMult = iRev > 0 ? -1.f : 1.f;
// calculate variation
float fVar = fUPFScale * GetPFFloat(pblock(), kSimpleSpeed_variation, tv);
if(fVar > 0.f)
fSpeedParam = fSpeedParam + fVar * prg->Rand11();
pt3SpeedVec = fDirMult * fSpeedParam * pt3SpeedVec;
// calculate divergence
float fDiv = GetPFFloat(pblock(), kSimpleSpeed_divergence, tv);
pt3SpeedVec = DivergeVectorRandom(pt3SpeedVec, prg, fDiv);
chSpeed->SetValue(i, pt3SpeedVec);
}
}
if (!wasIgnoringEmitterTMChange) ClearIgnoreEmitterTMChange();
return true;
}
//+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>+
//| From IPFTest |
//+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>+
bool PFTestDuration::Proceed(IObject* pCont,
PreciseTimeValue timeStart,
PreciseTimeValue& timeEnd,
Object* pSystem,
INode* pNode,
INode* actionNode,
IPFIntegrator* integrator,
BitArray& testResult,
Tab<float>& testTime)
{
TimeValue proceedTime = timeStart;
int testType = pblock()->GetInt(kDuration_testType, proceedTime);
int disparity = pblock()->GetInt(kDuration_disparity, proceedTime);
// get channel container interface
IChannelContainer* chCont;
chCont = GetChannelContainerInterface(pCont);
if (chCont == NULL) return false;
// acquire absolutely necessary particle channels
IParticleChannelAmountR* chAmount = GetParticleChannelAmountRInterface(pCont);
if (chAmount == NULL) return false; // can't find number of particles in the container
IParticleChannelPTVR* chTime = GetParticleChannelTimeRInterface(pCont);
if (chTime == NULL) return false; // can't read timing info for a particle
IParticleChannelNewR* chNew = GetParticleChannelNewRInterface(pCont);
if (chNew == NULL) return false; // can't find newly entered particles for duration calculation
// acquire more particle channels
IParticleChannelPTVR* chBirthTime = NULL;
if (testType == kDuration_testType_age)
{
chBirthTime = GetParticleChannelBirthTimeRInterface(pCont);
if (chBirthTime == NULL) return false; // can't read particle age
}
IParticleChannelIDR* chID = NULL;
if (disparity != 0)
{
chID = GetParticleChannelIDRInterface(pCont);
if (chID == NULL) return false; // can't read particle index for first-to-last disparity
}
IParticleChannelPTVR* chEventStartR = NULL;
IParticleChannelPTVW* chEventStartW = NULL;
bool initEventStart = false;
if (testType == kDuration_testType_event) {
chEventStartR = (IParticleChannelPTVR*)chCont->EnsureInterface(PARTICLECHANNELEVENTSTARTR_INTERFACE,
ParticleChannelPTV_Class_ID,
true, PARTICLECHANNELEVENTSTARTR_INTERFACE,
PARTICLECHANNELEVENTSTARTW_INTERFACE, false,
actionNode, NULL, &initEventStart);
if (chEventStartR == NULL) return false; // can't read event start time
if (initEventStart) {
chEventStartW = GetParticleChannelEventStartWInterface(pCont);
if (chEventStartW == NULL) return false; // can't write event start time
}
}
// acquire TestDuration private particle channel; if not present then create it
IParticleChannelPTVW* chTestW = (IParticleChannelPTVW*)chCont->EnsureInterface(PARTICLECHANNELTESTDURATIONW_INTERFACE,
ParticleChannelPTV_Class_ID,
true, PARTICLECHANNELTESTDURATIONR_INTERFACE,
PARTICLECHANNELTESTDURATIONW_INTERFACE, false,
actionNode, (Object*)this);
IParticleChannelPTVR* chTestR = (IParticleChannelPTVR*)chCont->GetPrivateInterface(PARTICLECHANNELTESTDURATIONR_INTERFACE, (Object*)this);
if ((chTestR == NULL) || (chTestW == NULL)) return false; // can't set test value for newly entered particles
int i, count;
PreciseTimeValue curTestValue;
count = chAmount->Count();
// check if all particles are "old". If some particles are "new" then we
// have to calculate test values for those.
if (!chNew->IsAllOld())
{
TimeValue testValue = pblock()->GetTimeValue(kDuration_testValue, proceedTime);
TimeValue variation = pblock()->GetTimeValue(kDuration_variation, proceedTime);
int subframe = pblock()->GetInt(kDuration_subframeSampling, proceedTime);
TimeValue testFirst = pblock()->GetInt(kDuration_testFirst, proceedTime);
TimeValue testLast = pblock()->GetInt(kDuration_testLast, proceedTime);
TimeValue lastIndex = pblock()->GetInt(kDuration_lastIndex, proceedTime);
if (lastIndex <= 0) lastIndex = 1;
int tpf = GetTicksPerFrame();
RandGenerator* randGen = NULL;
if (variation != 0) randGen = randLinker().GetRandGenerator(pCont);
int index;
for(i=0; i<count; i++)
if (chNew->IsNew(i)) // calculate test value only for new particles
{
if (disparity) {
index = chID->GetParticleIndex(i);
if (index > lastIndex)
curTestValue = PreciseTimeValue( testLast );
else
curTestValue = PreciseTimeValue( testFirst + (testLast-testFirst)*(float(index)/lastIndex) );
} else
curTestValue = PreciseTimeValue( testValue );
if (variation != 0)
curTestValue += PreciseTimeValue( randGen->Rand11()*variation );
// adjust test value according to test type
if (testType == kDuration_testType_age)
curTestValue += chBirthTime->GetValue(i);
else if (testType == kDuration_testType_event) {
if (initEventStart)
chEventStartW->SetValue(i, chTime->GetValue(i));
curTestValue += chEventStartR->GetValue(i);
}
if (!subframe) // round the test value to the nearest frame
curTestValue = PreciseTimeValue(int(floor(TimeValue(curTestValue)/float(tpf) + 0.5f) * tpf));
chTestW->SetValue(i, curTestValue);
}
}
// test all particles
PreciseTimeValue curParticleValue;
testResult.SetSize(count);
testResult.ClearAll();
testTime.SetCount(count);
int condType = pblock()->GetInt(kDuration_conditionType, proceedTime);
BitArray particlesToAdvance;
particlesToAdvance.SetSize(count);
particlesToAdvance.ClearAll();
for(i=0; i<count; i++)
{
curTestValue = chTestR->GetValue(i);
curParticleValue = chTime->GetValue(i);
if (curParticleValue > timeEnd) continue; // particle has been proceeded beyond
// the testing interval [timeStart,timeEnd]
switch( condType )
{
case kDuration_conditionType_less:
if (curParticleValue <= curTestValue)
{ // particle doesn't need to be advanced in "time" since the current time value is the condition value
testResult.Set(i);
testTime[i] = float( curParticleValue - timeStart );
}
break;
case kDuration_conditionType_greater:
if (timeEnd < curTestValue) break; // particle won't satisfy the condition
// even at the end of the test interval
if (curParticleValue >= curTestValue)
{ // particle doesn't need to be advanced in "time" since the current time value is more than satisfactory
testResult.Set(i);
testTime[i] = float( curParticleValue - timeStart );
break;
}
testResult.Set(i);
testTime[i] = float( curTestValue - timeStart );
// the particle needs to be advanced in time if possible
particlesToAdvance.Set(i);
break;
default:
DbgAssert(0);
break;
}
}
// advance particles in time if they satisfy the condition and need to be pushed forward
if (integrator != NULL)
{
Tab<PreciseTimeValue> timeToAdvance;
timeToAdvance.SetCount(count);
for(i=0; i<count; i++)
if (particlesToAdvance[i] != 0)
timeToAdvance[i] = timeStart + testTime[i];
integrator->Proceed(pCont, timeToAdvance, particlesToAdvance);
}
return true;
}
//+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>+
//| From IPFOperator |
//+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>+
bool PFTestGoToRotation::Proceed(IObject* pCont,
PreciseTimeValue timeStart,
PreciseTimeValue& timeEnd,
Object* pSystem,
INode* pNode,
INode* actionNode,
IPFIntegrator* integrator)
{
if (postProceed()) return doPostProceed(pCont, timeStart, timeEnd, pSystem, pNode, actionNode, integrator);
if (pblock() == NULL) return false;
IChannelContainer* chCont;
chCont = GetChannelContainerInterface(pCont);
if (chCont == NULL) return false;
// acquire absolutely necessary particle channels
IParticleChannelAmountR* chAmount = GetParticleChannelAmountRInterface(pCont);
if (chAmount == NULL) return false; // can't find number of particles in the container
int i, count = chAmount->Count();
if (count == 0) return true; // no particles to modify
IParticleChannelPTVR* chTime = GetParticleChannelTimeRInterface(pCont);
if (chTime == NULL) return false; // can't read timing info for a particle
IParticleChannelNewR* chNew = GetParticleChannelNewRInterface(pCont);
if (chNew == NULL) return false; // can't find newly entered particles for speedGoToTarget calculation
IParticleChannelPTVR* chBirth = GetParticleChannelBirthTimeRInterface(pCont);
if (chBirth == NULL) return false; // can't read birth time data
IParticleChannelQuatR* chOrient = GetParticleChannelOrientationRInterface(pCont);
if (chOrient == NULL) return false; // can't read current orientation for a particle
// may create and initialize spin channel if it is not present
IParticleChannelAngAxisR* chSpinR = NULL;
IParticleChannelAngAxisW* chSpinW = NULL;
bool initSpin = false;
chSpinR = (IParticleChannelAngAxisR*)chCont->EnsureInterface(PARTICLECHANNELSPINR_INTERFACE,
ParticleChannelAngAxis_Class_ID,
true, PARTICLECHANNELSPINR_INTERFACE,
PARTICLECHANNELSPINW_INTERFACE, true,
actionNode, NULL, &initSpin);
if (chSpinR == NULL) return false; // can't read spin data
if (initSpin) {
chSpinW = GetParticleChannelSpinWInterface(pCont);
if (chSpinW == NULL) return false; // can't modify spin data
}
if (initSpin) {
AngAxis aa(Point3::XAxis, 0.0f);
if (!chNew->IsAllOld())
for(i=0; i<count; i++) {
if (chNew->IsNew(i))
chSpinW->SetValue(i, aa);
}
}
// create channel to store the start moment of the transition process
// the time is when a particle enters the event
IParticleChannelPTVW* chStartTimeW = NULL;
bool initStartTime = false;
chStartTimeW = (IParticleChannelPTVW*)chCont->EnsureInterface(PARTICLECHANNELSTARTTIMEW_INTERFACE,
ParticleChannelPTV_Class_ID,
true, PARTICLECHANNELSTARTTIMER_INTERFACE,
PARTICLECHANNELSTARTTIMEW_INTERFACE, true,
actionNode, (Object*)this, &initStartTime);
if (chStartTimeW == NULL) return false; // can't modify the start time
// create channel to store the end moment of the transition process
// the time is used to determine when a particle should go to the next event, and when to finish the transition process
IParticleChannelPTVW* chEndTimeW = NULL;
bool initEndTime = false;
chEndTimeW = (IParticleChannelPTVW*)chCont->EnsureInterface(PARTICLECHANNELENDTIMEW_INTERFACE,
ParticleChannelPTV_Class_ID,
true, PARTICLECHANNELENDTIMER_INTERFACE,
PARTICLECHANNELENDTIMEW_INTERFACE, true,
actionNode, (Object*)this, &initEndTime);
if (chEndTimeW == NULL) return false; // can't modify the end time
// create channel to store info about the last time for each particle for the proceed function
// the data is used to rollback the effect of integration to find the desirable orientation
IParticleChannelPTVW* chProceedTimeW = NULL;
chProceedTimeW = (IParticleChannelPTVW*)chCont->EnsureInterface(PARTICLECHANNELPROCEEDTIMEW_INTERFACE,
ParticleChannelPTV_Class_ID,
true, PARTICLECHANNELPROCEEDTIMER_INTERFACE,
PARTICLECHANNELPROCEEDTIMEW_INTERFACE, false,
actionNode, (Object*)this);
if (chProceedTimeW == NULL) return false; // can't modify the proceed time
for(i=0; i<count; i++) chProceedTimeW->SetValue(i, chTime->GetValue(i));
// create channel to store info if the final rotation has been initialized
IParticleChannelBoolW* chGotInitW = NULL;
bool initGotInit = false;
chGotInitW = (IParticleChannelBoolW*)chCont->EnsureInterface(PARTICLECHANNELGOTINITW_INTERFACE,
ParticleChannelBool_Class_ID,
true, PARTICLECHANNELGOTINITR_INTERFACE,
PARTICLECHANNELGOTINITW_INTERFACE, true,
actionNode, (Object*)this, &initGotInit);
if (chGotInitW == NULL) return false; // can't modify if init data
// create channel to store initial rotation
IParticleChannelQuatW* chStartRotW = NULL;
bool initStartRot = false;
chStartRotW = (IParticleChannelQuatW*)chCont->EnsureInterface(PARTICLECHANNELSTARTROTW_INTERFACE,
ParticleChannelQuat_Class_ID,
true, PARTICLECHANNELSTARTROTR_INTERFACE,
PARTICLECHANNELSTARTROTW_INTERFACE, true,
actionNode, (Object*)this, &initStartRot);
if (chStartRotW == NULL) return false; // can't modify the start rotation
// create channel to store end rotation
IParticleChannelQuatW* chEndRotW = NULL;
bool initEndRot = false;
chEndRotW = (IParticleChannelQuatW*)chCont->EnsureInterface(PARTICLECHANNELENDROTW_INTERFACE,
ParticleChannelQuat_Class_ID,
true, PARTICLECHANNELENDROTR_INTERFACE,
PARTICLECHANNELENDROTW_INTERFACE, true,
actionNode, (Object*)this, &initEndRot);
if (chEndRotW == NULL) return false; // can't modify the end rotation
// create channel to store initial spin
IParticleChannelAngAxisW* chStartSpinW = NULL;
bool initStartSpin = false;
chStartSpinW = (IParticleChannelAngAxisW*)chCont->EnsureInterface(PARTICLECHANNELSTARTSPINW_INTERFACE,
ParticleChannelAngAxis_Class_ID,
true, PARTICLECHANNELSTARTSPINR_INTERFACE,
PARTICLECHANNELSTARTSPINW_INTERFACE, true,
actionNode, (Object*)this, &initStartSpin);
if (chStartSpinW == NULL) return false; // can't modify the start rotation
// create channel to store final spin rate as a float
IParticleChannelFloatW* chEndSpinW = NULL;
bool initEndSpin = false;
chEndSpinW = (IParticleChannelFloatW*)chCont->EnsureInterface(PARTICLECHANNELENDSPINW_INTERFACE,
ParticleChannelFloat_Class_ID,
true, PARTICLECHANNELENDSPINR_INTERFACE,
PARTICLECHANNELENDSPINW_INTERFACE, true,
actionNode, (Object*)this, &initEndSpin);
if (chEndSpinW == NULL) return false; // can't modify the start rotation
int sync = pblock()->GetInt(kGoToRotation_syncBy, timeEnd);
TimeValue time = pblock()->GetTimeValue(kGoToRotation_time, timeEnd);
TimeValue timeVar = pblock()->GetTimeValue(kGoToRotation_variation, timeEnd);
int matchSpin = pblock()->GetInt(kGoToRotation_matchSpin, timeEnd);
float spin = GetPFFloat(pblock(), kGoToRotation_spin, timeEnd.TimeValue())/TIME_TICKSPERSEC;
float spinVar = GetPFFloat(pblock(), kGoToRotation_spinVariation, timeEnd.TimeValue())/TIME_TICKSPERSEC;
RandGenerator* randGen = randLinker().GetRandGenerator(pCont);
if (randGen == NULL) return false;
if (!chNew->IsAllOld()) {
for(i=0; i<count; i++) {
if (!chNew->IsNew(i)) continue;
if (initStartTime)
chStartTimeW->SetValue(i, chTime->GetValue(i) );
if (initEndTime) {
PreciseTimeValue endTime(time);
switch(sync) {
case kGoToRotation_syncBy_age:
endTime += chBirth->GetValue(i);
break;
case kGoToRotation_syncBy_event:
endTime += chTime->GetValue(i);
break;
}
if (timeVar > 0) {
int sign = randGen->RandSign();
endTime += PreciseTimeValue(sign*randGen->Rand0X(timeVar));
} else {
randGen->RandSign();
randGen->Rand0X(10);
}
chEndTimeW->SetValue(i, endTime);
}
if (initGotInit)
chGotInitW->SetValue(i, false);
if (initStartRot)
chStartRotW->SetValue(i, chOrient->GetValue(i));
if (initEndRot)
chEndRotW->SetValue(i, chOrient->GetValue(i));
if (initStartSpin)
chStartSpinW->SetValue(i, chSpinR->GetValue(i));
if (initEndSpin) {
float endSpin = 0;
if (matchSpin) {
AngAxis aa = chSpinR->GetValue(i);
endSpin = aa.angle;
} else endSpin = spin;
if (spinVar > 0.0f) endSpin += spinVar*randGen->Rand11();
else randGen->Rand11();
chEndSpinW->SetValue(i, endSpin);
}
}
}
return true;
}
//+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>+
//| From IPFTest |
//+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>+
bool PFTestSplitByAmount::Proceed(IObject* pCont,
PreciseTimeValue timeStart,
PreciseTimeValue& timeEnd,
Object* pSystem,
INode* pNode,
INode* actionNode,
IPFIntegrator* integrator,
BitArray& testResult,
Tab<float>& testTime)
{
int contIndex;
if (!hasParticleContainer(pCont, contIndex)) return false;
_lastUpdate(contIndex) = timeEnd.TimeValue();
bool exactStep = IsExactIntegrationStep(timeEnd, pSystem);
// update all other systems to the current time; everybody should be in sync
// for proper accumulation amounts
int i;
for(i=0; i<allParticleContainers().Count(); i++) {
if (allParticleContainer(i) == pCont) continue;
if (allSystemNode(i) == pNode) continue;
if (lastUpdate(i) == timeEnd.TimeValue()) continue;
TimeValue timeToUpdateTo = timeEnd.TimeValue();
allSystemNode(i)->NotifyDependents(FOREVER, PartID(&timeToUpdateTo), kPFMSG_UpdateToTime, NOTIFY_ALL, TRUE );
}
// get channel container interface
IChannelContainer* chCont;
chCont = GetChannelContainerInterface(pCont);
if (chCont == NULL) return false;
// acquire absolutely necessary particle channels
IParticleChannelAmountR* chAmount = GetParticleChannelAmountRInterface(pCont);
if (chAmount == NULL) return false; // can't find number of particles in the container
IParticleChannelNewR* chNew = GetParticleChannelNewRInterface(pCont);
if (chNew == NULL) return false; // can't find "new" property of particles in the container
// acquire TestSplitByAmount private particle channel; if not present then create it
IParticleChannelBoolW* chTestW = (IParticleChannelBoolW*)chCont->EnsureInterface(PARTICLECHANNELTESTSPLITBYAMOUNTW_INTERFACE,
ParticleChannelBool_Class_ID,
true, PARTICLECHANNELTESTSPLITBYAMOUNTR_INTERFACE,
PARTICLECHANNELTESTSPLITBYAMOUNTW_INTERFACE, false,
actionNode, (Object*)this);
IParticleChannelBoolR* chTestR = (IParticleChannelBoolR*)chCont->GetPrivateInterface(PARTICLECHANNELTESTSPLITBYAMOUNTR_INTERFACE, (Object*)this);
if ((chTestR == NULL) || (chTestW == NULL)) return false; // can't set test value for newly entered particles
int count = chAmount->Count();
// check if all particles are "old". If some particles are "new" then we
// have to calculate test values for those.
if (!chNew->IsAllOld())
{
RandGenerator* randGen = randLinker().GetRandGenerator(pCont);
if (randGen == NULL) return false;
int testType = pblock()->GetInt(kSplitByAmount_testType, timeStart);
float fraction = GetPFFloat(pblock(), kSplitByAmount_fraction, timeStart);
int everyN = GetPFInt(pblock(), kSplitByAmount_everyN, timeStart);
int firstN = pblock()->GetInt(kSplitByAmount_firstN, timeStart);
bool perSource = (pblock()->GetInt(kSplitByAmount_perSource, timeStart) != 0);
int curWentThru = perSource ? wentThruTotal(pNode) : wentThruTotal();
// number of "first N" particles is adjusted by multiplier coefficient
// of the master particle system. This is done to make "first N"
// parameter to be consistent to "total" number of particles acclaimed
// by a birth operator
IPFSystem* pfSys = PFSystemInterface(pSystem);
if (pfSys == NULL) return false; // no handle for PFSystem interface
firstN *= pfSys->GetMultiplier(timeStart);
for(i=0; i<count; i++) {
if (chNew->IsNew(i)) { // calculate test value only for new particles
bool sendOut = false;
switch(testType) {
case kSplitByAmount_testType_fraction:
sendOut = (randGen->Rand01() <= fraction);
break;
case kSplitByAmount_testType_everyN:
_wentThruAccum(contIndex) += 1;
if (wentThruAccum(contIndex) >= everyN) {
sendOut = true;
_wentThruAccum(contIndex) = 0;
}
break;
case kSplitByAmount_testType_firstN:
_wentThruTotal(contIndex) += 1;
if (curWentThru++ < firstN) sendOut = true;
break;
case kSplitByAmount_testType_afterFirstN:
_wentThruTotal(contIndex) += 1;
if (curWentThru++ >= firstN) sendOut = true;
break;
}
chTestW->SetValue(i, sendOut);
}
}
}
// check all particles by predefined test channel
testResult.SetSize(count);
testResult.ClearAll();
testTime.SetCount(count);
if (exactStep) {
for(i=0; i<count; i++)
{
if (chTestR->GetValue(i)) {
testResult.Set(i);
testTime[i] = 0.0f;
}
}
}
return true;
}