void SponsorsState::enter(const MainMachineInfo &info)
{
// load the fader state
ASSERT(!mFader);
Ogre::OverlayManager &om = Ogre::OverlayManager::getSingleton();
mFader = om.getByName("FaderOverlay");
ASSERT(mFader);
Ogre::PanelOverlayElement *panel = static_cast<Ogre::PanelOverlayElement *>(
mFader->getChild("FaderOverlay/Background"));
ASSERT(panel);
Ogre::MaterialPtr mat = panel->getMaterial();
ASSERT(!mat.isNull());
mTexture = mat->getTechnique(0)->getPass(0)->getTextureUnitState(0);
mTexture->setAlphaOperation(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL,
Ogre::LBS_TEXTURE, 0);
ASSERT(mTexture);
// load the sponsors Overlay
ASSERT(!mOverlay);
mOverlay = om.getByName("SponsorsOverlay");
ASSERT(mOverlay);
mOverlay->setZOrder(mFader->getZOrder() - 1); // put behind it
mState = STATE_FADE_IN;
}
/**
* Create a new PanelOverlayElement
* @param matName The name of the material
* @param rSize The resulting size of the texture (width)
* @param name The name of the panel
*/
Ogre::PanelOverlayElement *GUIHelper::createPanel(const Ogre::String &matName,
int &rSize, const Ogre::String &name)
{
static int counter = 0;
Ogre::PanelOverlayElement *result = 0;
Ogre::String realName;
if(name.empty()){
realName = "pan" + Ogre::StringConverter::toString(counter);
counter++;
} else {
realName = name;
}
#ifdef DEBUG
// ensures the material exists
Ogre::MaterialPtr material;
material = Ogre::MaterialManager::getSingleton().getByName(matName);
if(material.isNull()){
debug("Material %s not found\n", matName.c_str());
}
// ASSERT(!material.isNull());
#endif
Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();
result = static_cast<Ogre::PanelOverlayElement*>(
overlayManager.createOverlayElement("Panel", realName));
result->setMetricsMode(Ogre::GMM_RELATIVE);
result->setMaterialName(matName); // Optional background material
// get the texture size
Ogre::String text = result->getMaterial()->getTechnique(0)->getPass(0)->
getTextureUnitState(0)->getTextureName();
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().getByName(text);
ASSERT(!texture.isNull());
rSize = texture->getWidth();
return result;
}