+ // Get view range and camera fov (radians) from the client
+ s16 wanted_range = sao->getWantedRange() + 1;
+ float camera_fov = sao->getFov();
+
+ // Distrust client-sent FOV and get server-set player object property
+ // zoom FOV (degrees) as a check to avoid hacked clients using FOV to load
+ // distant world.
+ // (zoom is disabled by value 0)
+ float prop_zoom_fov = sao->getZoomFOV() < 0.001f ?
+ 0.0f :
+ std::max(camera_fov, sao->getZoomFOV() * core::DEGTORAD);
+
+ const s16 full_d_max = std::min(adjustDist(m_max_send_distance, prop_zoom_fov),
+ wanted_range);
+ const s16 d_opt = std::min(adjustDist(m_block_optimize_distance, prop_zoom_fov),
+ wanted_range);
+ const s16 d_blocks_in_sight = full_d_max * BS * MAP_BLOCKSIZE;
+