void BillboardLine::setColor( float r, float g, float b, float a )
{
if ( a < 0.9998 )
{
material_->getTechnique(0)->setSceneBlending( Ogre::SBT_TRANSPARENT_ALPHA );
material_->getTechnique(0)->setDepthWriteEnabled( false );
}
else
{
material_->getTechnique(0)->setSceneBlending( Ogre::SBT_REPLACE );
material_->getTechnique(0)->setDepthWriteEnabled( true );
}
color_ = Ogre::ColourValue( r, g, b, a );
for (uint32_t line = 0; line < num_lines_; ++line)
{
uint32_t element_count = num_elements_[line];
for ( uint32_t i = 0; i < element_count; ++i )
{
Ogre::BillboardChain* c = chains_[line / lines_per_chain_];
Ogre::BillboardChain::Element e = c->getChainElement(line % lines_per_chain_, i);
e.colour = color_;
c->updateChainElement(line % lines_per_chain_, i, e);
}
}
}
Ogre::BillboardChain* BillboardLine::createChain()
{
std::stringstream ss;
static int count = 0;
ss << "BillboardLine chain" << count++;
Ogre::BillboardChain* chain = scene_manager_->createBillboardChain(ss.str());
chain->setMaterialName( material_->getName() );
scene_node_->attachObject( chain );
chains_.push_back(chain);
return chain;
}
void ResourceGroupReloader::UpdateMaterialRenderableVisitor::visit(
Ogre::Renderable *rend, Ogre::ushort lodIndex, bool isDebug, Ogre::Any *pAny)
{
const Ogre::MaterialPtr mat = rend->getMaterial();
if(!mat.isNull())
{
std::string newMatName = mat->getName();
Ogre::MaterialPtr newMat = Ogre::MaterialManager::getSingleton().getByName(newMatName);
if(newMat.isNull())
{
// this can happen if there was error during the reloading of the material.
// in that case, we keep the ancient one.
// Ice::Log::Instance().LogMessage(newMatName+" : new material is null!");
return;
}
// unfortunately, the renderable gives access only to a const MaterialPtr.
// and there is no 'setMaterial' or 'setMaterialName' method on renderables.
// so I have to try to down cast with known classes...
{
Ogre::SubEntity* lRend = dynamic_cast<Ogre::SubEntity*>(rend);
if(lRend){lRend->setMaterialName(newMatName);return;}
}
{
Ogre::SimpleRenderable* lRend = dynamic_cast<Ogre::SimpleRenderable*>(rend);
if(lRend){lRend->setMaterial(newMatName);return;}
}
{
Ogre::ShadowRenderable* lRend = dynamic_cast<Ogre::ShadowRenderable*>(rend);
if(lRend){lRend->setMaterial(newMat);return;}
}
{
Ogre::BillboardChain* lRend = dynamic_cast<Ogre::BillboardChain*>(rend);
if(lRend){lRend->setMaterialName(newMatName);return;}
}
{
Ogre::BillboardSet* lRend = dynamic_cast<Ogre::BillboardSet*>(rend);
if(lRend){lRend->setMaterialName(newMatName);return;}
}
{
Ogre::OverlayElement* lRend = dynamic_cast<Ogre::OverlayElement*>(rend);
if(lRend){lRend->setMaterialName(newMatName);return;}
}
}else{
// was there for debug...
// Ice::Log::Instance().LogMessage("material of renderable is null!");
}
}
void BillboardLine::setLineWidth( float width )
{
width_ = width;
for (uint32_t line = 0; line < num_lines_; ++line)
{
uint32_t element_count = num_elements_[line];
for ( uint32_t i = 0; i < element_count; ++i )
{
Ogre::BillboardChain* c = chains_[line / lines_per_chain_];
Ogre::BillboardChain::Element e = c->getChainElement(line % lines_per_chain_, i);
e.width = width_;
c->updateChainElement(line % lines_per_chain_, i, e);
}
}
}
