- s16 my_radius = MYMIN(radius, playersao->getWantedRange() * MAP_BLOCKSIZE);
- if (my_radius <= 0) my_radius = radius;
- //infostream << "Server: Active Radius " << my_radius << std::endl;
-
- std::queue<u16> removed_objects;
- std::queue<u16> added_objects;
- m_env->getRemovedActiveObjects(playersao, my_radius, player_radius,
- client->m_known_objects, removed_objects);
- m_env->getAddedActiveObjects(playersao, my_radius, player_radius,
- client->m_known_objects, added_objects);
-
- // Ignore if nothing happened
- if (removed_objects.empty() && added_objects.empty()) {
- continue;
- }
-
- std::string data_buffer;
-
- char buf[4];
-
- // Handle removed objects
- writeU16((u8*)buf, removed_objects.size());
- data_buffer.append(buf, 2);
- while (!removed_objects.empty()) {
- // Get object
- u16 id = removed_objects.front();
- ServerActiveObject* obj = m_env->getActiveObject(id);
-
- // Add to data buffer for sending
- writeU16((u8*)buf, id);
- data_buffer.append(buf, 2);
-
- // Remove from known objects
- client->m_known_objects.erase(id);
-
- if(obj && obj->m_known_by_count > 0)
- obj->m_known_by_count--;
- removed_objects.pop();
- }
-
- // Handle added objects
- writeU16((u8*)buf, added_objects.size());
- data_buffer.append(buf, 2);
- while (!added_objects.empty()) {
- // Get object
- u16 id = added_objects.front();
- ServerActiveObject* obj = m_env->getActiveObject(id);
-
- // Get object type
- u8 type = ACTIVEOBJECT_TYPE_INVALID;
- if (!obj)
- warningstream << FUNCTION_NAME << ": NULL object" << std::endl;
- else
- type = obj->getSendType();
-
- // Add to data buffer for sending
- writeU16((u8*)buf, id);
- data_buffer.append(buf, 2);
- writeU8((u8*)buf, type);
- data_buffer.append(buf, 1);
-
- if(obj)
- data_buffer.append(serializeLongString(
- obj->getClientInitializationData(client->net_proto_version)));
- else
- data_buffer.append(serializeLongString(""));
-
- // Add to known objects
- client->m_known_objects.insert(id);
-
- if(obj)
- obj->m_known_by_count++;
-
- added_objects.pop();
- }
-
- u32 pktSize = SendActiveObjectRemoveAdd(client->peer_id, data_buffer);
- verbosestream << "Server: Sent object remove/add: "
- << removed_objects.size() << " removed, "
- << added_objects.size() << " added, "
- << "packet size is " << pktSize << std::endl;