//-----------------------------------------------------------------------
void PagingLandScapePageManager::updateLoadedPages()
{
// Make any pending updates to the calculated frustum
mCurrentcam->updateView();
const Vector3 pos(mCurrentcam->getDerivedPosition().x, 127.0f, mCurrentcam->getDerivedPosition().z);
for (PagingLandScapePageList::iterator it = mLoadedPages.begin(); it != mLoadedPages.end(); ++it) {
PagingLandScapePage* p = (*it);
unsigned int x, z;
p->getCoordinates(x, z);
if ((z >= mCurrentcam->mIniZ) && (z <= mCurrentcam->mFinZ) && (x >= mCurrentcam->mIniX) && (x <= mCurrentcam->mFinX)) {
// inform pages that they are near Camera on next render.
if (p->notify(pos, mCurrentcam)) {
// get pages that need modification and are visible..
PagingLandScapeTexture* tex = mTexture->getTexture(x, z);
assert(tex);
}
} else {
// hide page not visible by this Camera
p->show(false);
}
}
// reset state variable
mOptions->lightmoved = false;
}
//-----------------------------------------------------------------------
// Set the current page. Must be called before Update().
void SetPage( const PagingLandScapePage* page )
{
page_ = page;
if( page_ && page_->isLoaded() )
{
page_->getCoordinates( pageX_, pageZ_ );
pageData_ = dataMgr_->getData2D( pageX_, pageZ_, false );
}
}
//-----------------------------------------------------------------------
// Returns true if the vertex is included, or false if it is removed
// by LOD. Requires local page coordinates.
bool GetWorldVertex( int localPageX, int localPageZ, Vector3& vertex )
{
UpdateWithLocalPage( localPageX, localPageZ );
bool included = ( renderLevel_.Floor( localPageX ) == localPageX &&
renderLevel_.Floor( localPageZ ) == localPageZ );
if( page_ && page_->isLoaded() && pageData_ )
{
// TODO: Do we really need to include the real data when the vertex
// has been removed by lod? Or can we just stuff a dummy result in
// here to fill out the array?
vertex.y = pageData_->getHeight( localPageX, localPageZ );
page_->getCoordinates( pageX_, pageZ_ );
vertex.x = PageToWorld( pageX_, localPageX, scale_.x, maxUnScaledX_, pageSize_ );
vertex.z = PageToWorld( pageZ_, localPageZ, scale_.z, maxUnScaledZ_, pageSize_ );
}
return included;
}
