Example #1
0
u32 Map::updateLighting(concurrent_map<v3POS, MapBlock*> & a_blocks,
                        std::map<v3POS, MapBlock*> & modified_blocks, unsigned int max_cycle_ms) {
	INodeDefManager *nodemgr = m_gamedef->ndef();

	int ret = 0;
	int loopcount = 0;

	TimeTaker timer("updateLighting");

	// For debugging
	//bool debug=true;
	//u32 count_was = modified_blocks.size();

	//std::unordered_set<v3POS, v3POSHash, v3POSEqual> light_sources;
	//std::unordered_map<v3POS, u8, v3POSHash, v3POSEqual> unlight_from_day, unlight_from_night;
	std::set<v3POS> light_sources;
	std::map<v3POS, u8> unlight_from_day, unlight_from_night;
	unordered_map_v3POS<int> processed;


	int num_bottom_invalid = 0;

	//MutexAutoLock lock2(m_update_lighting_mutex);

#if !ENABLE_THREADS
	auto lock = m_nothread_locker.lock_unique_rec();
#endif

	{
		//TimeTaker t("updateLighting: first stuff");

		u32 end_ms = porting::getTimeMs() + max_cycle_ms;
		for(auto i = a_blocks.begin();
		        i != a_blocks.end(); ++i) {

			auto block = getBlockNoCreateNoEx(i->first);

			for(;;) {
				// Don't bother with dummy blocks.
				if(!block || block->isDummy())
					break;

				auto lock = block->try_lock_unique_rec();
				if (!lock->owns_lock())
					break; // may cause dark areas
				v3POS pos = block->getPos();
				if (processed.count(pos) && processed[pos] <= i->first.Y ) {
					break;
				}
				++loopcount;
				processed[pos] = i->first.Y;
				v3POS posnodes = block->getPosRelative();
				//modified_blocks[pos] = block;

				block->setLightingExpired(true);
				block->lighting_broken = true;

				/*
					Clear all light from block
				*/
				for(s16 z = 0; z < MAP_BLOCKSIZE; z++)
					for(s16 x = 0; x < MAP_BLOCKSIZE; x++)
						for(s16 y = 0; y < MAP_BLOCKSIZE; y++) {
							v3POS p(x, y, z);
							bool is_valid_position;
							MapNode n = block->getNode(p, &is_valid_position);
							if (!is_valid_position) {
								/* This would happen when dealing with a
								   dummy block.
								*/
								infostream << "updateLighting(): InvalidPositionException"
								           << std::endl;
								continue;
							}
							u8 oldlight_day = n.getLight(LIGHTBANK_DAY, nodemgr);
							u8 oldlight_night = n.getLight(LIGHTBANK_NIGHT, nodemgr);
							n.setLight(LIGHTBANK_DAY, 0, nodemgr);
							n.setLight(LIGHTBANK_NIGHT, 0, nodemgr);
							block->setNode(p, n);

							// If node sources light, add to list
							//u8 source = nodemgr->get(n).light_source;
							if(nodemgr->get(n).light_source)
								light_sources.insert(p + posnodes);

							v3POS p_map = p + posnodes;
							// Collect borders for unlighting
							if(x == 0 || x == MAP_BLOCKSIZE - 1
							        || y == 0 || y == MAP_BLOCKSIZE - 1
							        || z == 0 || z == MAP_BLOCKSIZE - 1) {
								if(oldlight_day)
									unlight_from_day[p_map] = oldlight_day;
								if(oldlight_night)
									unlight_from_night[p_map] = oldlight_night;
							}


						}

				lock->unlock();

				bool bottom_valid = propagateSunlight(pos, light_sources);

				if(!bottom_valid)
					num_bottom_invalid++;

				pos.Y--;
				block = getBlockNoCreateNoEx(pos);
			}

			if (porting::getTimeMs() > end_ms) {
				++ret;
				break;
			}
		}

	}

	{
		//TimeTaker timer("updateLighting: unspreadLight");
		unspreadLight(LIGHTBANK_DAY, unlight_from_day, light_sources, modified_blocks);
		unspreadLight(LIGHTBANK_NIGHT, unlight_from_night, light_sources, modified_blocks);
	}

	{
		//TimeTaker timer("updateLighting: spreadLight");
		spreadLight(LIGHTBANK_DAY, light_sources, modified_blocks, porting::getTimeMs() + max_cycle_ms * 10);
		spreadLight(LIGHTBANK_NIGHT, light_sources, modified_blocks, porting::getTimeMs() + max_cycle_ms * 10);
	}

	for (auto & i : processed) {
		a_blocks.erase(i.first);
		MapBlock *block = getBlockNoCreateNoEx(i.first);
		if(!block)
			continue;
		block->setLightingExpired(false);
		block->lighting_broken = false;
	}

	g_profiler->add("Server: light blocks", loopcount);

	return ret;

}
Example #2
0
void PlayerSAO::step(float dtime, bool send_recommended)
{
	if (!m_player)
		return;

	if(!m_properties_sent)
	{
		std::string str = getPropertyPacket();
		// create message and add to list
		ActiveObjectMessage aom(getId(), true, str);
		m_messages_out.push(aom);
		m_properties_sent = true;
	}

	// If attached, check that our parent is still there. If it isn't, detach.
	if(m_attachment_parent_id && !isAttached())
	{
	  {
		auto lock = try_lock_unique_rec();
		if (!lock->owns_lock())
			goto NOLOCK1;
		m_attachment_parent_id = 0;
		m_attachment_bone = "";
		m_attachment_position = v3f(0,0,0);
		m_attachment_rotation = v3f(0,0,0);
	  }
		setBasePosition(m_last_good_position);
		((Server*)m_env->getGameDef())->SendMovePlayer(m_peer_id);
	}

	NOLOCK1:;

	//dstream<<"PlayerSAO::step: dtime: "<<dtime<<std::endl;

	// Set lag pool maximums based on estimated lag
	const float LAG_POOL_MIN = 5.0;
	float lag_pool_max = m_env->getMaxLagEstimate() * 2.0;
	if(lag_pool_max < LAG_POOL_MIN)
		lag_pool_max = LAG_POOL_MIN;
	m_dig_pool.setMax(lag_pool_max);
	m_move_pool.setMax(lag_pool_max);

	// Increment cheat prevention timers
	m_dig_pool.add(dtime);
	m_move_pool.add(dtime);
	{
		auto lock = try_lock_unique_rec();
		if (!lock->owns_lock())
			goto NOLOCK2;
	m_time_from_last_punch += dtime;
	m_nocheat_dig_time += dtime;
	m_ms_from_last_respawn += dtime*1000;
	}

	NOLOCK2:;

	// Each frame, parent position is copied if the object is attached, otherwise it's calculated normally
	// If the object gets detached this comes into effect automatically from the last known origin
	if (isAttached()) {
		v3f pos = m_env->getActiveObject(m_attachment_parent_id)->getBasePosition();
		m_last_good_position = pos;
		setBasePosition(pos);
	}

	if (!send_recommended)
		return;

	// If the object is attached client-side, don't waste bandwidth sending its position to clients
	if(m_position_not_sent && !isAttached())
	{
		m_position_not_sent = false;
		float update_interval = m_env->getSendRecommendedInterval();
		v3f pos, vel, acc;
		if(isAttached()) // Just in case we ever do send attachment position too
			pos = m_env->getActiveObject(m_attachment_parent_id)->getBasePosition();
		else
		{
			pos = m_base_position + v3f(0,BS*1,0);
			vel = m_player->getSpeed();
		}
		std::string str = gob_cmd_update_position(
			pos,
			vel,
			acc,
			m_yaw,
			true,
			false,
			update_interval
		);
		// create message and add to list
		ActiveObjectMessage aom(getId(), false, str);
		m_messages_out.push(aom);
	}

	if (!m_armor_groups_sent) {
		m_armor_groups_sent = true;
		std::string str = gob_cmd_update_armor_groups(
				m_armor_groups);
		// create message and add to list
		ActiveObjectMessage aom(getId(), true, str);
		m_messages_out.push(aom);
	}

	if (!m_physics_override_sent) {
		auto lock = try_lock_unique_rec();
		if (!lock->owns_lock())
			goto NOLOCK3;
		m_physics_override_sent = true;
		std::string str = gob_cmd_update_physics_override(m_physics_override_speed,
				m_physics_override_jump, m_physics_override_gravity,
				m_physics_override_sneak, m_physics_override_sneak_glitch);
		// create message and add to list
		ActiveObjectMessage aom(getId(), true, str);
		m_messages_out.push(aom);
	}

	NOLOCK3:;

	if (!m_animation_sent) {
		auto lock = try_lock_unique_rec();
		if (!lock->owns_lock())
			goto NOLOCK4;

		m_animation_sent = true;
		std::string str = gob_cmd_update_animation(
			m_animation_range, m_animation_speed, m_animation_blend, m_animation_loop);
		// create message and add to list
		ActiveObjectMessage aom(getId(), true, str);
		m_messages_out.push(aom);
	}

	NOLOCK4:;

	if (!m_bone_position_sent) {
		m_bone_position_sent = true;
		for (UNORDERED_MAP<std::string, core::vector2d<v3f> >::const_iterator
				ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
			std::string str = gob_cmd_update_bone_position((*ii).first,
					(*ii).second.X, (*ii).second.Y);
			// create message and add to list
			ActiveObjectMessage aom(getId(), true, str);
			m_messages_out.push(aom);
		}
	}

	if (!m_attachment_sent){
		m_attachment_sent = true;
		std::string str = gob_cmd_update_attachment(m_attachment_parent_id,
				m_attachment_bone, m_attachment_position, m_attachment_rotation);
		// create message and add to list
		ActiveObjectMessage aom(getId(), true, str);
		m_messages_out.push(aom);
	}
}
Example #3
0
u32 Map::timerUpdate(float uptime, float unload_timeout, u32 max_loaded_blocks,
                     unsigned int max_cycle_ms,
                     std::vector<v3POS> *unloaded_blocks) {
	bool save_before_unloading = (mapType() == MAPTYPE_SERVER);

	// Profile modified reasons
	Profiler modprofiler;

	if (/*!m_blocks_update_last && */ m_blocks_delete->size() > 1000) {
		m_blocks_delete = (m_blocks_delete == &m_blocks_delete_1 ? &m_blocks_delete_2 : &m_blocks_delete_1);
		verbosestream << "Deleting blocks=" << m_blocks_delete->size() << std::endl;
		for (auto & ir : *m_blocks_delete)
			delete ir.first;
		m_blocks_delete->clear();
		getBlockCacheFlush();
	}

	u32 deleted_blocks_count = 0;
	u32 saved_blocks_count = 0;
	u32 block_count_all = 0;

	u32 n = 0, calls = 0, end_ms = porting::getTimeMs() + max_cycle_ms;

	std::vector<MapBlockP> blocks_delete;
	int save_started = 0;
	{
		auto lock = m_blocks.try_lock_shared_rec();
		if (!lock->owns_lock())
			return m_blocks_update_last;

#if !ENABLE_THREADS
		auto lock_map = m_nothread_locker.try_lock_unique_rec();
		if (!lock_map->owns_lock())
			return m_blocks_update_last;
#endif

		for(auto ir : m_blocks) {
			if (n++ < m_blocks_update_last) {
				continue;
			} else {
				m_blocks_update_last = 0;
			}
			++calls;

			auto block = ir.second;
			if (!block)
				continue;

			{
				auto lock = block->try_lock_unique_rec();
				if (!lock->owns_lock())
					continue;
				if(block->getUsageTimer() > unload_timeout) { // block->refGet() <= 0 &&
					v3POS p = block->getPos();
					//infostream<<" deleting block p="<<p<<" ustimer="<<block->getUsageTimer() <<" to="<< unload_timeout<<" inc="<<(uptime - block->m_uptime_timer_last)<<" state="<<block->getModified()<<std::endl;
					// Save if modified
					if (block->getModified() != MOD_STATE_CLEAN && save_before_unloading) {
						//modprofiler.add(block->getModifiedReasonString(), 1);
						if(!save_started++)
							beginSave();
						if (!saveBlock(block))
							continue;
						saved_blocks_count++;
					}

					blocks_delete.push_back(block);

					if(unloaded_blocks)
						unloaded_blocks->push_back(p);

					deleted_blocks_count++;
				} else {

#ifndef SERVER
					if (block->mesh_old)
						block->mesh_old = nullptr;
#endif

					if (!block->m_uptime_timer_last)  // not very good place, but minimum modifications
						block->m_uptime_timer_last = uptime - 0.1;
					block->incrementUsageTimer(uptime - block->m_uptime_timer_last);
					block->m_uptime_timer_last = uptime;

					block_count_all++;

					/*#ifndef SERVER
									if(block->refGet() == 0 && block->getUsageTimer() >
											g_settings->getFloat("unload_unused_meshes_timeout"))
									{
										if(block->mesh){
											delete block->mesh;
											block->mesh = NULL;
										}
									}
					#endif*/
				}

			} // block lock

			if (porting::getTimeMs() > end_ms) {
				m_blocks_update_last = n;
				break;
			}

		}
	}
	if(save_started)
		endSave();

	if (!calls)
		m_blocks_update_last = 0;

	for (auto & block : blocks_delete)
		this->deleteBlock(block);

	// Finally delete the empty sectors

	if(deleted_blocks_count != 0) {
		if (m_blocks_update_last)
			infostream << "ServerMap: timerUpdate(): Blocks processed:" << calls << "/" << m_blocks.size() << " to " << m_blocks_update_last << std::endl;
		PrintInfo(infostream); // ServerMap/ClientMap:
		infostream << "Unloaded " << deleted_blocks_count << "/" << (block_count_all + deleted_blocks_count)
		           << " blocks from memory";
		infostream << " (deleteq1=" << m_blocks_delete_1.size() << " deleteq2=" << m_blocks_delete_2.size() << ")";
		if(saved_blocks_count)
			infostream << ", of which " << saved_blocks_count << " were written";
		/*
				infostream<<", "<<block_count_all<<" blocks in memory";
		*/
		infostream << "." << std::endl;
		if(saved_blocks_count != 0) {
			PrintInfo(infostream); // ServerMap/ClientMap:
			//infostream<<"Blocks modified by: "<<std::endl;
			modprofiler.print(infostream);
		}
	}
	return m_blocks_update_last;
}