RenderedTexture::RenderedTexture(Ogre::Entity* entity,
Ogre::SceneManager* sceneMgr,
Ogre::uint8 renderQueueGroup) :
sceneMgr(sceneMgr),
entity(entity),
entityKey(generateEntityKey(entity)),
renderQueueGroup(renderQueueGroup)
{
//Add self to list of RenderedTexture's
typedef std::pair<std::string, RenderedTexture*> ListItem;
selfList.insert(ListItem(entityKey, this));
// TODO: use bounding sphere
//Note - this radius calculation assumes the object is somewhat rounded (like trees/rocks/etc.)
Ogre::Real tmp;
Ogre::AxisAlignedBox boundingBox = entity->getBoundingBox();
entityRadius = boundingBox.getMaximum().x - boundingBox.getCenter().x;
tmp = boundingBox.getMaximum().y - boundingBox.getCenter().y;
if (tmp > entityRadius)
entityRadius = tmp;
tmp = boundingBox.getMaximum().z - boundingBox.getCenter().z;
if (tmp > entityRadius)
entityRadius = tmp;
entityCenter = boundingBox.getCenter();
//Render impostor textures
renderTextures();
//Set up material
material =
Ogre::MaterialManager::getSingleton().create(
getUniqueID("RenderedEntityMaterial"), "EntityRenderer");
Ogre::Material* m = material.getPointer();
Ogre::Pass* p = m->getTechnique(0)->getPass(0);
p->createTextureUnitState(texture->getName());
p->setLightingEnabled(false);
m->setReceiveShadows(false);
if (blendMode == ALPHA_REJECT_IMPOSTOR){
p->setAlphaRejectSettings(Ogre::CMPF_GREATER_EQUAL, 128);
//p->setAlphaRejectSettings(CMPF_GREATER_EQUAL, 64);
} else if (blendMode == ALPHA_BLEND_IMPOSTOR){
p->setSceneBlending(Ogre::SBF_SOURCE_ALPHA, Ogre::SBF_ONE_MINUS_SOURCE_ALPHA);
p->setDepthWriteEnabled(false);
}
}
