//-------------------------------------------------------------------------
PagingLandScapeTile* PagingLandScapePageManager::getTilePage(unsigned int& posx, unsigned int& posz, unsigned int pagex, unsigned int pagez)
{
const Real tSize = mOptions->TileSize - 1;
const Real inv_tSize = 1.0f / tSize;
const int tilex = static_cast<int>(posx * inv_tSize);
const int tilez = static_cast<int>(posz * inv_tSize);
const int pSize = mOptions->PageSize - 1;
const int tilesPerPage = static_cast<int>(mOptions->NumTiles - 1);
unsigned int x;
if (tilex > tilesPerPage) {
x = static_cast<unsigned int>(tilesPerPage);
} else if (tilex < 0) {
x = 0;
} else {
x = static_cast<unsigned int>(tilex);
}
unsigned int z;
if (tilez > tilesPerPage) {
z = static_cast<unsigned int>(tilesPerPage);
} else if (tilez < 0) {
z = 0;
} else {
z = static_cast<unsigned int>(tilez);
}
posx = posx - static_cast<unsigned int>(x * tSize);
posz = posz - static_cast<unsigned int>(z * tSize);
PagingLandScapePage *p = getPage(pagex, pagez);
if (p)
return p->getTile(x, z);
return 0;
}
//-----------------------------------------------------------------------
// Update using page local tile coordinates.
void UpdateTile( int tileX, int tileZ )
{
PagingLandScapeTile* tile = page_->getTile( tileX, tileZ );
if( tile != tile_ )
{
tile_ = tile;
bool tileLoaded = tile_ && tile_->isLoaded() && tile_->getRenderable();
renderLevel_.SetRenderLevel( (tileLoaded) ? tile_->getRenderable()->getRenderLevel() : 0 );
}
}
