void CParticleEditor::play(CWorkspaceNode &node)
{
if (isRunning(&node)) return;
// NB : node must be stopped, no check is done
nlassert(node.isLoaded());
// if node not started, start it
node.memorizeState();
// enable the system to take the right date from the scene
node.getPSModel()->enableAutoGetEllapsedTime(true);
node.getPSPointer()->setSystemDate(0.f);
node.getPSPointer()->reactivateSound();
node.getPSModel()->activateEmitters(true);
if (node.getPSPointer()->getAutoCountFlag())
{
if (node.getResetAutoCountFlag())
{
// reset particle size arrays
node.getPSPointer()->matchArraySize();
}
resetAutoCount(&node, false);
}
// Set speed playback particle system
node.getPSModel()->setEllapsedTimeRatio(_Speed);
}
NL3D::CParticleSystemModel *CParticleEditor::getModelFromPS(NL3D::CParticleSystem *ps) const
{
if (!ps) return NULL;
CWorkspaceNode *node = _PW->getNodeFromPS(ps);
if (!node) return NULL;
return node->getPSModel();
}
void CParticleEditor::pause(CWorkspaceNode &node)
{
if (!isRunning(&node)) return;
nlassert(node.isLoaded());
node.getPSModel()->enableAutoGetEllapsedTime(false);
node.getPSModel()->setEllapsedTime(0.f);
}
void CWorkspacePage::insertPS()
{
QString fileName = QFileDialog::getOpenFileName(this,
tr("Open NeL data file"), ".",
tr("Particle System file (*.ps);;"));
if (!fileName.isEmpty())
{
// TODO: create method particle editor insertNewPS and multiple add
CWorkspaceNode *node = Modules::psEdit().getParticleWorkspace()->addNode(NLMISC::CFile::getFilename(fileName.toUtf8().constData()));
if (node != 0)
{
try
{
node->loadPS();
}
catch(NLMISC::EStream &e)
{
QMessageBox::critical(this, tr("NeL particle system editor"),
QString(e.what()),
QMessageBox::Ok);
}
if (!node->isLoaded())
Modules::psEdit().getParticleWorkspace()->removeNode(Modules::psEdit().getParticleWorkspace()->getNumNode() - 1);
else
{
QModelIndex index = _treeModel->index(0, 0);
_treeModel->insertRows(node, static_cast<CParticleTreeItem *>(index.internalPointer())->childCount(), index);
}
}
}
}
void CParticleLinkDialog::setUnlink()
{
CWorkspaceNode *node = Modules::psEdit().getActiveNode();
if (node == NULL)
return;
node->unstickPSFromSkeleton();
}
void CParticleEditor::startMultiple()
{
switch(_State)
{
case State::Stopped:
{
if (!_PW) return;
nlassert(_PlayingNodes.empty());
TPWNodeItr itr = _PW->getNodeList().begin();
while(itr != _PW->getNodeList().end())
{
CWorkspaceNode *node = (*itr);
if (node->isLoaded())
if (checkHasLoop(*node)) return;
itr++;
}
itr = _PW->getNodeList().begin();
while(itr != _PW->getNodeList().end())
{
CWorkspaceNode *node = (*itr);
if (node->isLoaded())
{
// really start the node only if there's no trigger anim
if (node->getTriggerAnim().empty())
play(*node);
_PlayingNodes.push_back(node);
}
itr++;
}
}
break;
case State::PausedSingle:
case State::RunningSingle:
stop();
startMultiple();
break;
case State::RunningMultiple:
// no-op
return;
break;
case State::PausedMultiple:
for(uint k = 0; k < _PlayingNodes.size(); ++k)
{
if (_PlayingNodes[k])
{
unpause(*_PlayingNodes[k]);
}
}
break;
default:
nlassert(0);
break;
}
_State = State::RunningMultiple;
}
void CParticleEditor::saveWorkspaceContent()
{
TPWNodeItr itr = _PW->getNodeList().begin();
while(itr != _PW->getNodeList().end())
{
CWorkspaceNode *node = (*itr);
if (node->isModified())
node->savePS();
node->setModified(false);
itr++;
}
}
void CParticleEditor::setSpeed(float value)
{
_Speed = value;
if (!isRunning()) return;
TPWNodeItr itr = _PW->getNodeList().begin();
while(itr != _PW->getNodeList().end())
{
CWorkspaceNode *node = (*itr);
if (node->isLoaded())
node->getPSModel()->setEllapsedTimeRatio(value);
itr++;
}
}
void CParticleLinkDialog::setLink()
{
CWorkspaceNode *node = Modules::psEdit().getActiveNode();
if (node == NULL)
return;
std::string curObj = Modules::objView().getCurrentObject();
if (curObj.empty())
return;
CSkeletonTreeItem *item = static_cast<CSkeletonTreeItem *>(_ui.treeView->currentIndex().internalPointer());
NL3D::CSkeletonModel *skel = Modules::objView().getEntity(curObj).getSkeleton().getObjectPtr();
uint boneIndex = item->getId();
std::string parentSkelName = Modules::objView().getEntity(curObj).getFileNameSkeleton();
std::string parentBoneName = skel->Bones[boneIndex].getBoneName();
node->stickPSToSkeleton(skel, boneIndex, parentSkelName, parentBoneName);
}
void CParticleEditor::loadWorkspace(const std::string &fullPath)
{
// Add to the path
std::auto_ptr<CParticleWorkspace> newPW(new CParticleWorkspace);
newPW->init(fullPath);
// save empty workspace
try
{
newPW->load();
}
catch(NLMISC::EStream &e)
{
nlerror(e.what());
return;
}
// try to load each ps
CWorkspaceNode *firstLoadedNode = NULL;
TPWNodeItr itr = newPW->getNodeList().begin();
while(itr != newPW->getNodeList().end())
{
CWorkspaceNode *node = (*itr);
try
{
node->loadPS();
}
catch(NLMISC::EStream &e)
{
nlwarning(e.what());
}
if (node->isLoaded() && !firstLoadedNode)
firstLoadedNode = node;
itr++;
}
closeWorkspace();
_PW = newPW.release();
setActiveNode(firstLoadedNode);
}
void CWorkspacePage::createPS()
{
QString fileName = QFileDialog::getSaveFileName(this, tr("Create new particle system file"),
".",
tr("ps files (*.ps)"));
if (!fileName.isEmpty())
{
// TODO: create method particle editor createNewPS
if (Modules::psEdit().getParticleWorkspace()->containsFile(NLMISC::CFile::getFilename(fileName.toUtf8().constData())))
{
QMessageBox::critical(this, tr("NeL particle system editor"),
tr("Failed to create new particle system"),
QMessageBox::Ok);
return;
}
CWorkspaceNode *node = Modules::psEdit().getParticleWorkspace()->addNode(NLMISC::CFile::getFilename(fileName.toUtf8().constData()));
// should always succeed because we tested if file already exists
nlassert(node);
node->createEmptyPS();
try
{
node->savePS();
node->setModified(false);
}
catch (NLMISC::Exception &e)
{
QMessageBox::critical(this, tr("NeL particle system editor"),
QString(e.what()),
QMessageBox::Ok);
return;
}
QModelIndex index = _treeModel->index(0, 0);
_treeModel->insertRows(node, static_cast<CParticleTreeItem *>(index.internalPointer())->childCount(), index);
}
}
void CParticleEditor::stop(CWorkspaceNode &node)
{
if (!isRunning(&node)) return;
nlassert(node.isLoaded());
node.restoreState();
node.getPSModel()->enableAutoGetEllapsedTime(false);
node.getPSModel()->setEllapsedTime(0.f);
node.getPSModel()->activateEmitters(true);
node.getPSPointer()->stopSound();
}
bool CParticleEditor::checkHasLoop(CWorkspaceNode &node)
{
nlassert(node.isLoaded());
if (!node.getPSPointer()->hasLoop()) return false;
return true;
}
void CParticleEditor::update()
{
if (!_ActiveNode) return;
if (_PW == NULL) return;
NL3D::CParticleSystem *currPS = _ActiveNode->getPSPointer();
// compute BBox
if (_DisplayBBox)
{
if (_AutoUpdateBBox)
{
NLMISC::CAABBox currBBox;
currPS->forceComputeBBox(currBBox);
if (_EmptyBBox)
{
_EmptyBBox = false;
_CurrBBox = currBBox;
}
else
{
_CurrBBox = NLMISC::CAABBox::computeAABBoxUnion(currBBox, _CurrBBox);
}
currPS->setPrecomputedBBox(_CurrBBox);
}
}
// auto repeat feature
if (_AutoRepeat)
{
if (isRunning())
{
bool allFXFinished = true;
bool fxStarted = false;
TPWNodeItr itr = _PlayingNodes.begin();
while(itr != _PlayingNodes.end())
{
CWorkspaceNode *node = (*itr);
if (node->isLoaded())
{
if (isRunning(node))
{
fxStarted = true;
if (node->getPSPointer()->getSystemDate() <= node->getPSPointer()->evalDuration())
{
allFXFinished = false;
break;
}
else
{
if (node->getPSPointer()->getCurrNumParticles() != 0)
{
allFXFinished = false;
break;
}
}
}
}
itr++;
}
if (fxStarted && allFXFinished)
restartAllFX();
}
}
// draw PSmodel
TPWNodeItr itr = _PW->getNodeList().begin();
while(itr != _PW->getNodeList().end())
{
CWorkspaceNode *node = (*itr);
if (node->isLoaded())
{
if (node == _ActiveNode)
node->getPSModel()->enableDisplayTools(!isRunning(node) || _DisplayHelpers);
else
node->getPSModel()->enableDisplayTools(false);
// hide / show the node
if (_State == State::RunningMultiple || _State == State::PausedMultiple)
{
if (isRunning(node))
node->getPSModel()->show();
else
node->getPSModel()->hide();
}
else
{
if (node == _ActiveNode)
node->getPSModel()->show();
else
node->getPSModel()->hide();
}
}
itr++;
}
}
