//------------------------------------------------------------------------------
void
ParticleEmitterTranslator::translate(Ogre::ScriptCompiler *compiler, const Ogre::AbstractNodePtr &node)
{
Ogre::ObjectAbstractNode *obj = reinterpret_cast<Ogre::ObjectAbstractNode*>(node.get());
// name can't be empty because we get renderer type from it
if(obj->name.empty())
{
compiler->addError(Ogre::ScriptCompiler::CE_OBJECTNAMEEXPECTED, obj->file, obj->line);
return;
}
ParticleTechnique* tech = Ogre::any_cast<ParticleTechnique*>(obj->parent->context);
ParticleEmitter* emitter = tech->CreateEmitter(obj->name);
if (emitter == NULL)
{
compiler->addError(Ogre::ScriptCompiler::CE_OBJECTALLOCATIONERROR, obj->file, obj->line);
return;
}
Ogre::LogManager::getSingletonPtr()->logMessage("ParticleEmitterTranslator: create emitter.");
for (Ogre::AbstractNodeList::iterator i = obj->children.begin(); i != obj->children.end(); ++i)
{
if ((*i)->type == Ogre::ANT_PROPERTY)
{
Ogre::PropertyAbstractNode *prop = reinterpret_cast<Ogre::PropertyAbstractNode*>((*i).get());
Ogre::String value = prop->getValue();
/*
// Glob the values together
for (Ogre::AbstractNodeList::iterator i = prop->values.begin(); i != prop->values.end(); ++i)
{
if((*i)->type == Ogre::ANT_ATOM)
{
if (value.empty())
{
value = ((Ogre::AtomAbstractNode*)(*i).get())->value;
}
else
{
value = value + " " + ((Ogre::AtomAbstractNode*)(*i).get())->value;
}
}
else
{
compiler->addError(Ogre::ScriptCompiler::CE_INVALIDPARAMETERS, prop->file, prop->line);
break;
}
}
*/
Ogre::LogManager::getSingletonPtr()->logMessage("ParticleEmitterTranslator: Set param '" + prop->name + "' to '" + value + "'.");
if (!emitter->setParameter(prop->name, value))
{
compiler->addError(Ogre::ScriptCompiler::CE_INVALIDPARAMETERS, prop->file, prop->line);
}
}
}
}
//-----------------------------------------------------------------------
void SlaveEmitter::_unprepare(ParticleTechnique* particleTechnique)
{
ParticleSystem* system = particleTechnique->getParentSystem();
if (system)
{
ParticleTechnique* masterTechnique = system->getTechnique(mMasterTechniqueName);
if (masterTechnique)
{
masterTechnique->removeTechniqueListener(this);
}
}
}
//-----------------------------------------------------------------------
void SlaveEmitter::_prepare(ParticleTechnique* particleTechnique)
{
ParticleSystem* system = particleTechnique->getParentSystem();
if (system)
{
ParticleTechnique* masterTechnique = system->getTechnique(mMasterTechniqueName);
if (masterTechnique)
{
masterTechnique->addTechniqueListener(this);
}
mEnabled = false;
}
}
//-----------------------------------------------------------------------
void ParticleSystem::stopFade(void)
{
size_t i;
size_t j;
size_t numTechniques = getNumTechniques();
size_t numEmitters;
ParticleTechnique* technique;
ParticleEmitter* emitter;
for (i = 0; i < numTechniques; ++i)
{
technique = getTechnique(i);
numEmitters = getTechnique(i)->getNumEmitters();
for (j = 0; j < numEmitters; ++j)
{
emitter = technique->getEmitter(j);
emitter->setEnabled(false);
}
}
mStopFadeSet = true;
}
//-----------------------------------------------------------------------
void ParticlePool::_increaseParticleTechniquePool(size_t size,
Particle::ParticleBehaviourList& behaviours,
ParticleSystem* system)
{
size_t oldSize = mTechniques.size();
if (size < oldSize)
return;
// Create new techniques, based on the techniques in the particle system and which are marked for emission.
size_t numberOfEmittedTechniques = system->getNumEmittedTechniques();
if (numberOfEmittedTechniques == 0)
return;
ParticleTechnique* existingTechnique = 0;
ParticleTechnique* clonedTechnique = 0;
size_t numTechniques = system->getNumTechniques();
// Distribute size equally
size_t increment = (size-oldSize) / numberOfEmittedTechniques;
// Run through techniques of the system
for (size_t techniqueCount = 0; techniqueCount < numTechniques; techniqueCount++)
{
existingTechnique = system->getTechnique(techniqueCount);
if (existingTechnique->_isMarkedForEmission())
{
// Clone the technique 'increment' times and add to the pool
for (size_t i = 0; i < increment; i++)
{
clonedTechnique = ParticleSystemManager::getSingletonPtr()->cloneTechnique(existingTechnique);
clonedTechnique->_setMarkedForEmission(true);
clonedTechnique->copyBehaviours(behaviours);
mParticleTechniquePool.addElement(clonedTechnique->getName(), clonedTechnique);
mTechniques.push_back(clonedTechnique);
/** Important note:
Calling the _prepare() function of the cloned techniques must not be done here. It is
handled in the _update() function which is called when processing all particles in the
pool.
*/
}
}
}
}
//-------------------------------------------------------------------------
void ExternTranslator::translate(ScriptCompiler* compiler, const AbstractNodePtr &node)
{
ObjectAbstractNode* obj = reinterpret_cast<ObjectAbstractNode*>(node.get());
ObjectAbstractNode* parent = obj->parent ? reinterpret_cast<ObjectAbstractNode*>(obj->parent) : 0;
// The name of the obj is the type of the Extern
// Remark: This can be solved by using a listener, so that obj->values is filled with type + name. Something for later
String type;
if(!obj->name.empty())
{
type = obj->name;
}
else
{
compiler->addError(ScriptCompiler::CE_INVALIDPARAMETERS, obj->file, obj->line);
return;
}
// Get the factory
ExternFactory* externFactory = ParticleSystemManager::getSingletonPtr()->getExternFactory(type);
if (!externFactory)
{
compiler->addError(ScriptCompiler::CE_INVALIDPARAMETERS, obj->file, obj->line);
return;
}
// Create the Extern
mExtern = ParticleSystemManager::getSingletonPtr()->createExtern(type);
if (!mExtern)
{
compiler->addError(ScriptCompiler::CE_INVALIDPARAMETERS, obj->file, obj->line);
return;
}
if (!obj->parent->context.isEmpty())
{
ParticleTechnique* technique = any_cast<ParticleTechnique*>(obj->parent->context);
technique->addExtern(mExtern);
}
else
{
// It is an alias
mExtern->setAliasName(parent->name);
ParticleSystemManager::getSingletonPtr()->addAlias(mExtern);
}
// The first value is the (optional) name
String name;
if(!obj->values.empty())
{
getString(obj->values.front(), &name);
mExtern->setName(name);
}
// Set it in the context
obj->context = Any(mExtern);
// Run through properties
for(AbstractNodeList::iterator i = obj->children.begin(); i != obj->children.end(); ++i)
{
// No properties of its own
if((*i)->type == ANT_PROPERTY)
{
PropertyAbstractNode* prop = reinterpret_cast<PropertyAbstractNode*>((*i).get());
if (externFactory->translateChildProperty(compiler, *i))
{
// Parsed the property by another translator; do nothing
}
else
{
errorUnexpectedProperty(compiler, prop);
}
}
else if((*i)->type == ANT_OBJECT)
{
if (externFactory->translateChildObject(compiler, *i))
{
// Parsed the object by another translator; do nothing
}
else
{
processNode(compiler, *i);
}
}
else
{
errorUnexpectedToken(compiler, *i);
}
}
}
//-----------------------------------------------------------------------
void DoEnableComponentEventHandler::_handle (ParticleTechnique* particleTechnique, Particle* particle, Real timeElapsed)
{
/** Search for the component.
*/
ParticleTechnique* technique = 0;
switch (mComponentType)
{
case CT_EMITTER:
{
ParticleEmitter* emitter = particleTechnique->getEmitter(mComponentName);
if (!emitter)
{
// Search all techniques in this ParticleSystem for an emitter with the correct name
ParticleSystem* system = particleTechnique->getParentSystem();
size_t size = system->getNumTechniques();
for(size_t i = 0; i < size; ++i)
{
technique = system->getTechnique(i);
emitter = technique->getEmitter(mComponentName);
if (emitter)
{
break;
}
}
}
if (emitter)
{
emitter->setEnabled(mComponentEnabled);
}
}
break;
case CT_AFFECTOR:
{
ParticleAffector* affector = particleTechnique->getAffector(mComponentName);
if (!affector)
{
// Search all techniques in this ParticleSystem for an affector with the correct name
ParticleSystem* system = particleTechnique->getParentSystem();
size_t size = system->getNumTechniques();
for(size_t i = 0; i < size; ++i)
{
technique = system->getTechnique(i);
affector = technique->getAffector(mComponentName);
if (affector)
{
break;
}
}
}
if (affector)
{
affector->setEnabled(mComponentEnabled);
}
}
break;
case CT_OBSERVER:
{
ParticleObserver* observer = particleTechnique->getObserver(mComponentName);
if (!observer)
{
// Search all techniques in this ParticleSystem for an observer with the correct name
ParticleSystem* system = particleTechnique->getParentSystem();
size_t size = system->getNumTechniques();
for(size_t i = 0; i < size; ++i)
{
technique = system->getTechnique(i);
observer = technique->getObserver(mComponentName);
if (observer)
{
break;
}
}
}
if (observer)
{
observer->setEnabled(mComponentEnabled);
}
}
break;
case CT_TECHNIQUE:
{
// Search in this ParticleSystem for a technique with the correct name
ParticleSystem* system = particleTechnique->getParentSystem();
technique = system->getTechnique(mComponentName);
if (technique)
{
technique->setEnabled(mComponentEnabled);
}
}
break;
}
}
