-neighbor_found:
-
- // Find out how many objects the block contains
- u32 active_object_count = block->m_static_objects.m_active.size();
- // Find out how many objects this and all the neighbors contain
- u32 active_object_count_wider = 0;
- for(s16 x=-1; x<=1; x++)
- for(s16 y=-1; y<=1; y++)
- for(s16 z=-1; z<=1; z++)
- {
- MapBlock *block2 = map->getBlockNoCreateNoEx(
- block->getPos() + v3s16(x,y,z));
- if(block2==NULL)
- continue;
- active_object_count_wider +=
- block2->m_static_objects.m_active.size()
- + block2->m_static_objects.m_stored.size();
- }
-
- // Call all the trigger variations
- i->abm->trigger(m_env, p, n);
- i->abm->trigger(m_env, p, n,
- active_object_count, active_object_count_wider);
- }
- }
- }
-};
-
-void ServerEnvironment::activateBlock(MapBlock *block, u32 additional_dtime)
-{
- // Get time difference
- u32 dtime_s = 0;
- u32 stamp = block->getTimestamp();
- if(m_game_time > stamp && stamp != BLOCK_TIMESTAMP_UNDEFINED)
- dtime_s = m_game_time - block->getTimestamp();
- dtime_s += additional_dtime;
-
- /*infostream<<"ServerEnvironment::activateBlock(): block timestamp: "
- <<stamp<<", game time: "<<m_game_time<<std::endl;*/
-
- // Set current time as timestamp
- block->setTimestampNoChangedFlag(m_game_time);
-
- /*infostream<<"ServerEnvironment::activateBlock(): block is "
- <<dtime_s<<" seconds old."<<std::endl;*/
-
- // Activate stored objects
- activateObjects(block);
-
- // Run node metadata
- bool changed = block->m_node_metadata->step((float)dtime_s);
- if(changed)
- {
- MapEditEvent event;
- event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
- event.p = block->getPos();
- m_map->dispatchEvent(&event);
-
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "node metadata modified in activateBlock");
- }
-
- /* Handle ActiveBlockModifiers */
- ABMHandler abmhandler(m_abms, dtime_s, this, false);
- abmhandler.apply(block);
-}
-
-void ServerEnvironment::addActiveBlockModifier(ActiveBlockModifier *abm)
-{
- m_abms.push_back(ABMWithState(abm));
-}
-
-std::set<u16> ServerEnvironment::getObjectsInsideRadius(v3f pos, float radius)
-{
- std::set<u16> objects;
- for(core::map<u16, ServerActiveObject*>::Iterator
- i = m_active_objects.getIterator();
- i.atEnd()==false; i++)
- {
- ServerActiveObject* obj = i.getNode()->getValue();
- u16 id = i.getNode()->getKey();
- v3f objectpos = obj->getBasePosition();
- if(objectpos.getDistanceFrom(pos) > radius)
- continue;
- objects.insert(id);
- }
- return objects;
-}
-
-void ServerEnvironment::clearAllObjects()
-{
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Removing all active objects"<<std::endl;
- core::list<u16> objects_to_remove;
- for(core::map<u16, ServerActiveObject*>::Iterator
- i = m_active_objects.getIterator();
- i.atEnd()==false; i++)
- {
- ServerActiveObject* obj = i.getNode()->getValue();
- if(obj->getType() == ACTIVEOBJECT_TYPE_PLAYER)
- continue;
- u16 id = i.getNode()->getKey();
- v3f objectpos = obj->getBasePosition();
- // Delete static object if block is loaded
- if(obj->m_static_exists){
- MapBlock *block = m_map->getBlockNoCreateNoEx(obj->m_static_block);
- if(block){
- block->m_static_objects.remove(id);
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "clearAllObjects");
- obj->m_static_exists = false;
- }
- }
- // If known by some client, don't delete immediately
- if(obj->m_known_by_count > 0){
- obj->m_pending_deactivation = true;
- obj->m_removed = true;
- continue;
- }
-
- // Tell the object about removal
- obj->removingFromEnvironment();
- // Deregister in scripting api
- scriptapi_rm_object_reference(m_lua, obj);
-
- // Delete active object
- if(obj->environmentDeletes())
- delete obj;
- // Id to be removed from m_active_objects
- objects_to_remove.push_back(id);
- }
- // Remove references from m_active_objects
- for(core::list<u16>::Iterator i = objects_to_remove.begin();
- i != objects_to_remove.end(); i++)
- {
- m_active_objects.remove(*i);
- }
-
- core::list<v3s16> loadable_blocks;
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Listing all loadable blocks"<<std::endl;
- m_map->listAllLoadableBlocks(loadable_blocks);
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Done listing all loadable blocks: "
- <<loadable_blocks.size()
- <<", now clearing"<<std::endl;
- u32 report_interval = loadable_blocks.size() / 10;
- u32 num_blocks_checked = 0;
- u32 num_blocks_cleared = 0;
- u32 num_objs_cleared = 0;
- for(core::list<v3s16>::Iterator i = loadable_blocks.begin();
- i != loadable_blocks.end(); i++)
- {
- v3s16 p = *i;
- MapBlock *block = m_map->emergeBlock(p, false);
- if(!block){
- errorstream<<"ServerEnvironment::clearAllObjects(): "
- <<"Failed to emerge block "<<PP(p)<<std::endl;
- continue;
- }
- u32 num_stored = block->m_static_objects.m_stored.size();
- u32 num_active = block->m_static_objects.m_active.size();
- if(num_stored != 0 || num_active != 0){
- block->m_static_objects.m_stored.clear();
- block->m_static_objects.m_active.clear();
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "clearAllObjects");
- num_objs_cleared += num_stored + num_active;
- num_blocks_cleared++;
- }
- num_blocks_checked++;
-
- if(num_blocks_checked % report_interval == 0){
- float percent = 100.0 * (float)num_blocks_checked /
- loadable_blocks.size();
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Cleared "<<num_objs_cleared<<" objects"
- <<" in "<<num_blocks_cleared<<" blocks ("
- <<percent<<"%)"<<std::endl;
- }
- }
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Finished: Cleared "<<num_objs_cleared<<" objects"
- <<" in "<<num_blocks_cleared<<" blocks"<<std::endl;
-}
-
-void ServerEnvironment::step(float dtime)
-{
- DSTACK(__FUNCTION_NAME);
-
- //TimeTaker timer("ServerEnv step");
-
- /* Step time of day */
- stepTimeOfDay(dtime);
-
- /*
- Increment game time
- */
- {
- m_game_time_fraction_counter += dtime;
- u32 inc_i = (u32)m_game_time_fraction_counter;
- m_game_time += inc_i;
- m_game_time_fraction_counter -= (float)inc_i;
- }
-
- /*
- Handle players
- */
- {
- ScopeProfiler sp(g_profiler, "SEnv: handle players avg", SPT_AVG);
- for(core::list<Player*>::Iterator i = m_players.begin();
- i != m_players.end(); i++)
- {
- Player *player = *i;
-
- // Ignore disconnected players
- if(player->peer_id == 0)
- continue;
-
- v3f playerpos = player->getPosition();
-
- // Move
- player->move(dtime, *m_map, 100*BS);
- }
- }
-
- /*
- Manage active block list
- */
- if(m_active_blocks_management_interval.step(dtime, 2.0))
- {
- ScopeProfiler sp(g_profiler, "SEnv: manage act. block list avg /2s", SPT_AVG);
- /*
- Get player block positions
- */
- core::list<v3s16> players_blockpos;
- for(core::list<Player*>::Iterator
- i = m_players.begin();
- i != m_players.end(); i++)
- {
- Player *player = *i;
- // Ignore disconnected players
- if(player->peer_id == 0)
- continue;
- v3s16 blockpos = getNodeBlockPos(
- floatToInt(player->getPosition(), BS));
- players_blockpos.push_back(blockpos);
- }
-
- /*
- Update list of active blocks, collecting changes
- */
- const s16 active_block_range = g_settings->getS16("active_block_range");
- core::map<v3s16, bool> blocks_removed;
- core::map<v3s16, bool> blocks_added;
- m_active_blocks.update(players_blockpos, active_block_range,
- blocks_removed, blocks_added);
-
- /*
- Handle removed blocks
- */
-
- // Convert active objects that are no more in active blocks to static
- deactivateFarObjects(false);
-
- for(core::map<v3s16, bool>::Iterator
- i = blocks_removed.getIterator();
- i.atEnd()==false; i++)
- {
- v3s16 p = i.getNode()->getKey();
-
- /*infostream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
- <<") became inactive"<<std::endl;*/
-
- MapBlock *block = m_map->getBlockNoCreateNoEx(p);
- if(block==NULL)
- continue;
-
- // Set current time as timestamp (and let it set ChangedFlag)
- block->setTimestamp(m_game_time);
- }
-
- /*
- Handle added blocks
- */
-
- for(core::map<v3s16, bool>::Iterator
- i = blocks_added.getIterator();
- i.atEnd()==false; i++)
- {
- v3s16 p = i.getNode()->getKey();
-
- /*infostream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
- <<") became active"<<std::endl;*/
-
- MapBlock *block = m_map->getBlockNoCreateNoEx(p);
- if(block==NULL){
- // Block needs to be fetched first
- m_emerger->queueBlockEmerge(p, false);
- m_active_blocks.m_list.remove(p);
- continue;
- }
-
- activateBlock(block);
- }
- }
-
- /*
- Mess around in active blocks
- */
- if(m_active_blocks_nodemetadata_interval.step(dtime, 1.0))
- {
- ScopeProfiler sp(g_profiler, "SEnv: mess in act. blocks avg /1s", SPT_AVG);
-
- float dtime = 1.0;
-
- for(core::map<v3s16, bool>::Iterator
- i = m_active_blocks.m_list.getIterator();
- i.atEnd()==false; i++)
- {
- v3s16 p = i.getNode()->getKey();
-
- /*infostream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
- <<") being handled"<<std::endl;*/
-
- MapBlock *block = m_map->getBlockNoCreateNoEx(p);
- if(block==NULL)
- continue;
-
- // Reset block usage timer
- block->resetUsageTimer();
-
- // Set current time as timestamp
- block->setTimestampNoChangedFlag(m_game_time);
- // If time has changed much from the one on disk,
- // set block to be saved when it is unloaded
- if(block->getTimestamp() > block->getDiskTimestamp() + 60)
- block->raiseModified(MOD_STATE_WRITE_AT_UNLOAD,
- "Timestamp older than 60s (step)");
-
- // Run node metadata
- bool changed = block->m_node_metadata->step(dtime);
- if(changed)
- {
- MapEditEvent event;
- event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
- event.p = p;
- m_map->dispatchEvent(&event);
-
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "node metadata modified in step");