Exemple #1
0
void StaticObjectList::serialize(std::ostream &os)
{
	// version
	u8 version = 0;
	writeU8(os, version);
	// count
	u16 count = m_stored.size() + m_active.size();
	writeU16(os, count);
	for(std::list<StaticObject>::iterator
			i = m_stored.begin();
			i != m_stored.end(); ++i)
	{
		StaticObject &s_obj = *i;
		s_obj.serialize(os);
	}
	for(std::map<u16, StaticObject>::iterator
			i = m_active.begin();
			i != m_active.end(); ++i)
	{
		StaticObject s_obj = i->second;
		s_obj.serialize(os);
	}
}
Exemple #2
0
/*
	u16 command
	u16 number of files requested
	for each file {
		u16 length of name
		string name
	}
*/
void Client::request_media(const std::vector<std::string> &file_requests)
{
	std::ostringstream os(std::ios_base::binary);
	writeU16(os, TOSERVER_REQUEST_MEDIA);
	size_t file_requests_size = file_requests.size();

	FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");

	// Packet dynamicly resized
	NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);

	pkt << (u16) (file_requests_size & 0xFFFF);

	for(std::vector<std::string>::const_iterator i = file_requests.begin();
			i != file_requests.end(); ++i) {
		pkt << (*i);
	}

	Send(&pkt);

	infostream << "Client: Sending media request list to server ("
			<< file_requests.size() << " files. packet size)" << std::endl;
}
Exemple #3
0
status WAVEFile::writeFormat()
{
	uint16_t	formatTag, channelCount;
	uint32_t	sampleRate, averageBytesPerSecond;
	uint16_t	blockAlign;
	uint32_t	chunkSize;
	uint16_t	bitsPerSample;

	Track *track = getTrack();

	fh->write("fmt ", 4);

	switch (track->f.compressionType)
	{
		case AF_COMPRESSION_NONE:
			chunkSize = 16;
			if (track->f.sampleFormat == AF_SAMPFMT_FLOAT ||
				track->f.sampleFormat == AF_SAMPFMT_DOUBLE)
			{
				formatTag = WAVE_FORMAT_IEEE_FLOAT;
			}
			else if (track->f.sampleFormat == AF_SAMPFMT_TWOSCOMP ||
				track->f.sampleFormat == AF_SAMPFMT_UNSIGNED)
			{
				formatTag = WAVE_FORMAT_PCM;
			}
			else
			{
				_af_error(AF_BAD_COMPTYPE, "bad sample format");
				return AF_FAIL;
			}

			blockAlign = _af_format_frame_size(&track->f, false);
			bitsPerSample = 8 * _af_format_sample_size(&track->f, false);
			break;

		/*
			G.711 compression uses eight bits per sample.
		*/
		case AF_COMPRESSION_G711_ULAW:
			chunkSize = 18;
			formatTag = IBM_FORMAT_MULAW;
			blockAlign = track->f.channelCount;
			bitsPerSample = 8;
			break;

		case AF_COMPRESSION_G711_ALAW:
			chunkSize = 18;
			formatTag = IBM_FORMAT_ALAW;
			blockAlign = track->f.channelCount;
			bitsPerSample = 8;
			break;

		default:
			_af_error(AF_BAD_COMPTYPE, "bad compression type");
			return AF_FAIL;
	}

	writeU32(&chunkSize);
	writeU16(&formatTag);

	channelCount = track->f.channelCount;
	writeU16(&channelCount);

	sampleRate = track->f.sampleRate;
	writeU32(&sampleRate);

	averageBytesPerSecond =
		track->f.sampleRate * _af_format_frame_size(&track->f, false);
	writeU32(&averageBytesPerSecond);

	blockAlign = _af_format_frame_size(&track->f, false);
	writeU16(&blockAlign);

	writeU16(&bitsPerSample);

	if (track->f.compressionType == AF_COMPRESSION_G711_ULAW ||
		track->f.compressionType == AF_COMPRESSION_G711_ALAW)
	{
		uint16_t zero = 0;
		writeU16(&zero);
	}

	return AF_SUCCEED;
}
Exemple #4
0
void libcdr::CDRContentCollector::_generateBitmapFromPattern(librevenge::RVNGBinaryData &bitmap, const CDRPattern &pattern, const CDRColor &fgColor, const CDRColor &bgColor)
{
  unsigned height = pattern.height;
  unsigned width = pattern.width;
  unsigned tmpPixelSize = (unsigned)(height * width);
  if (tmpPixelSize < (unsigned)height) // overflow
    return;

  unsigned tmpDIBImageSize = tmpPixelSize * 4;
  if (tmpPixelSize > tmpDIBImageSize) // overflow !!!
    return;

  unsigned tmpDIBOffsetBits = 14 + 40;
  unsigned tmpDIBFileSize = tmpDIBOffsetBits + tmpDIBImageSize;
  if (tmpDIBImageSize > tmpDIBFileSize) // overflow !!!
    return;

  // Create DIB file header
  writeU16(bitmap, 0x4D42);  // Type
  writeU32(bitmap, (int)tmpDIBFileSize); // Size
  writeU16(bitmap, 0); // Reserved1
  writeU16(bitmap, 0); // Reserved2
  writeU32(bitmap, (int)tmpDIBOffsetBits); // OffsetBits

  // Create DIB Info header
  writeU32(bitmap, 40); // Size

  writeU32(bitmap, (int)width);  // Width
  writeU32(bitmap, (int)height); // Height

  writeU16(bitmap, 1); // Planes
  writeU16(bitmap, 32); // BitCount
  writeU32(bitmap, 0); // Compression
  writeU32(bitmap, (int)tmpDIBImageSize); // SizeImage
  writeU32(bitmap, 0); // XPelsPerMeter
  writeU32(bitmap, 0); // YPelsPerMeter
  writeU32(bitmap, 0); // ColorsUsed
  writeU32(bitmap, 0); // ColorsImportant

  // The Bitmaps in CDR are padded to 32bit border
  unsigned lineWidth = (width + 7) / 8;

  unsigned foreground = m_ps._getRGBColor(fgColor);
  unsigned background = m_ps._getRGBColor(bgColor);

  for (unsigned j = height; j > 0; --j)
  {
    unsigned i = 0;
    unsigned k = 0;
    while (i <lineWidth && k < width)
    {
      unsigned l = 0;
      unsigned char c = 0;
      const unsigned index = (j-1)*lineWidth+i;
      if (index < pattern.pattern.size())
        c = pattern.pattern[index];
      i++;
      while (k < width && l < 8)
      {
        if (c & 0x80)
          writeU32(bitmap, (int)background);
        else
          writeU32(bitmap, (int)foreground);
        c <<= 1;
        l++;
        k++;
      }
    }
  }
}
Exemple #5
0
void libcdr::CDRStylesCollector::collectBmp(unsigned imageId, unsigned colorModel, unsigned width, unsigned height, unsigned bpp, const std::vector<unsigned> &palette, const std::vector<unsigned char> &bitmap)
{
  libcdr::CDRInternalStream stream(bitmap);
  librevenge::RVNGBinaryData image;

  unsigned tmpPixelSize = (unsigned)(height * width);
  if (tmpPixelSize < (unsigned)height) // overflow
    return;

  unsigned tmpDIBImageSize = tmpPixelSize * 4;
  if (tmpPixelSize > tmpDIBImageSize) // overflow !!!
    return;

  unsigned tmpDIBOffsetBits = 14 + 40;
  unsigned tmpDIBFileSize = tmpDIBOffsetBits + tmpDIBImageSize;
  if (tmpDIBImageSize > tmpDIBFileSize) // overflow !!!
    return;

  // Create DIB file header
  writeU16(image, 0x4D42);  // Type
  writeU32(image, tmpDIBFileSize); // Size
  writeU16(image, 0); // Reserved1
  writeU16(image, 0); // Reserved2
  writeU32(image, tmpDIBOffsetBits); // OffsetBits

  // Create DIB Info header
  writeU32(image, 40); // Size

  writeU32(image, width);  // Width
  writeU32(image, height); // Height

  writeU16(image, 1); // Planes
  writeU16(image, 32); // BitCount
  writeU32(image, 0); // Compression
  writeU32(image, tmpDIBImageSize); // SizeImage
  writeU32(image, 0); // XPelsPerMeter
  writeU32(image, 0); // YPelsPerMeter
  writeU32(image, 0); // ColorsUsed
  writeU32(image, 0); // ColorsImportant

  // Cater for eventual padding
  unsigned lineWidth = bitmap.size() / height;

  bool storeBMP = true;

  for (unsigned j = 0; j < height; ++j)
  {
    unsigned i = 0;
    unsigned k = 0;
    if (colorModel == 6)
    {
      while (i <lineWidth && k < width)
      {
        unsigned l = 0;
        unsigned char c = bitmap[j*lineWidth+i];
        i++;
        while (k < width && l < 8)
        {
          if (c & 0x80)
            writeU32(image, 0xffffff);
          else
            writeU32(image, 0);
          c <<= 1;
          l++;
          k++;
        }
      }
    }
    else if (colorModel == 5)
    {
      while (i <lineWidth && i < width)
      {
        unsigned char c = bitmap[j*lineWidth+i];
        i++;
        writeU32(image, m_ps.getBMPColor(libcdr::CDRColor(colorModel, c)));
      }
    }
    else if (!palette.empty())
    {
      while (i < lineWidth && i < width)
      {
        unsigned char c = bitmap[j*lineWidth+i];
        if (c >= palette.size())
          c = palette.size() - 1;
        i++;
        writeU32(image, m_ps.getBMPColor(libcdr::CDRColor(colorModel, palette[c])));
      }
    }
    else if (bpp == 24)
    {
      while (i < lineWidth && k < width)
      {
        unsigned c = ((unsigned)bitmap[j*lineWidth+i+2] << 16) | ((unsigned)bitmap[j*lineWidth+i+1] << 8) | ((unsigned)bitmap[j*lineWidth+i]);
        i += 3;
        writeU32(image, m_ps.getBMPColor(libcdr::CDRColor(colorModel, c)));
        k++;
      }
    }
    else if (bpp == 32)
    {
      while (i < lineWidth && k < width)
      {
        unsigned c = (bitmap[j*lineWidth+i+3] << 24) | (bitmap[j*lineWidth+i+2] << 16) | (bitmap[j*lineWidth+i+1] << 8) | (bitmap[j*lineWidth+i]);
        i += 4;
        writeU32(image, m_ps.getBMPColor(libcdr::CDRColor(colorModel, c)));
        k++;
      }
    }
    else
      storeBMP = false;
  }

  if (storeBMP)
  {
#if DUMP_IMAGE
    librevenge::RVNGString filename;
    filename.sprintf("bitmap%.8x.bmp", imageId);
    FILE *f = fopen(filename.cstr(), "wb");
    if (f)
    {
      const unsigned char *tmpBuffer = image.getDataBuffer();
      for (unsigned long k = 0; k < image.size(); k++)
        fprintf(f, "%c",tmpBuffer[k]);
      fclose(f);
    }
#endif

    m_ps.m_bmps[imageId] = image;
  }
}
/**
 * 文字列として書き出す。
 * 頭2byteに文字数(+NULL文字)、続くn byteに文字+NULL終端が書き込まれる
 * | (u16)data.char_length + 1 | (charactor)string + NULL |
 */
void BinaryOutputStream::writeString(const String data) {
    const u16 data_lenght = (data.length() + 1);
    writeU16(data_lenght);
    stream->write((u8*) data.c_str(), data_lenght);
}
/*
	sender_peer_id given to this shall be quaranteed to be a valid peer
*/
void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
{
	DSTACK(__FUNCTION_NAME);

	// Ignore packets that don't even fit a command
	if(datasize < 2)
	{
		m_packetcounter.add(60000);
		return;
	}

	ToClientCommand command = (ToClientCommand)readU16(&data[0]);

	//infostream<<"Client: received command="<<command<<std::endl;
	m_packetcounter.add((u16)command);

	/*
		If this check is removed, be sure to change the queue
		system to know the ids
	*/
	if(sender_peer_id != PEER_ID_SERVER)
	{
		infostream<<"Client::ProcessData(): Discarding data not "
				"coming from server: peer_id="<<sender_peer_id
				<<std::endl;
		return;
	}

	u8 ser_version = m_server_ser_ver;

	//infostream<<"Client received command="<<(int)command<<std::endl;

	if(command == TOCLIENT_INIT)
	{
		if(datasize < 3)
			return;

		u8 deployed = data[2];

		infostream<<"Client: TOCLIENT_INIT received with "
				"deployed="<<((int)deployed&0xff)<<std::endl;

		if(deployed < SER_FMT_VER_LOWEST
				|| deployed > SER_FMT_VER_HIGHEST)
		{
			infostream<<"Client: TOCLIENT_INIT: Server sent "
					<<"unsupported ser_fmt_ver"<<std::endl;
			return;
		}

		m_server_ser_ver = deployed;

		// Get player position
		v3s16 playerpos_s16(0, BS*2+BS*20, 0);
		if(datasize >= 2+1+6)
			playerpos_s16 = readV3S16(&data[2+1]);
		v3f playerpos_f = intToFloat(playerpos_s16, BS) - v3f(0, BS/2, 0);

		{ //envlock
			//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out

			// Set player position
			Player *player = m_env.getLocalPlayer();
			assert(player != NULL);
			player->setPosition(playerpos_f);
		}

		if(datasize >= 2+1+6+8)
		{
			// Get map seed
			m_map_seed = readU64(&data[2+1+6]);
			infostream<<"Client: received map seed: "<<m_map_seed<<std::endl;
		}

		// Reply to server
		u32 replysize = 2;
		SharedBuffer<u8> reply(replysize);
		writeU16(&reply[0], TOSERVER_INIT2);
		// Send as reliable
		m_con.Send(PEER_ID_SERVER, 1, reply, true);

		return;
	}

	if(command == TOCLIENT_ACCESS_DENIED)
	{
		// The server didn't like our password. Note, this needs
		// to be processed even if the serialisation format has
		// not been agreed yet, the same as TOCLIENT_INIT.
		m_access_denied = true;
		m_access_denied_reason = L"Unknown";
		if(datasize >= 4)
		{
			std::string datastring((char*)&data[2], datasize-2);
			std::istringstream is(datastring, std::ios_base::binary);
			m_access_denied_reason = deSerializeWideString(is);
		}
		return;
	}

	if(ser_version == SER_FMT_VER_INVALID)
	{
		infostream<<"Client: Server serialization"
				" format invalid or not initialized."
				" Skipping incoming command="<<command<<std::endl;
		return;
	}

	// Just here to avoid putting the two if's together when
	// making some copypasta
	{}

	if(command == TOCLIENT_REMOVENODE)
	{
		if(datasize < 8)
			return;
		v3s16 p;
		p.X = readS16(&data[2]);
		p.Y = readS16(&data[4]);
		p.Z = readS16(&data[6]);

		//TimeTaker t1("TOCLIENT_REMOVENODE");

		// This will clear the cracking animation after digging
		((ClientMap&)m_env.getMap()).clearTempMod(p);

		removeNode(p);
	}
	else if(command == TOCLIENT_ADDNODE)
	{
		if(datasize < 8 + MapNode::serializedLength(ser_version))
			return;

		v3s16 p;
		p.X = readS16(&data[2]);
		p.Y = readS16(&data[4]);
		p.Z = readS16(&data[6]);

		//TimeTaker t1("TOCLIENT_ADDNODE");

		MapNode n;
		n.deSerialize(&data[8], ser_version);

		addNode(p, n);
	}
	else if(command == TOCLIENT_BLOCKDATA)
	{
		// Ignore too small packet
		if(datasize < 8)
			return;

		v3s16 p;
		p.X = readS16(&data[2]);
		p.Y = readS16(&data[4]);
		p.Z = readS16(&data[6]);

		/*infostream<<"Client: Thread: BLOCKDATA for ("
				<<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
		/*infostream<<"Client: Thread: BLOCKDATA for ("
				<<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/

		std::string datastring((char*)&data[8], datasize-8);
		std::istringstream istr(datastring, std::ios_base::binary);

		MapSector *sector;
		MapBlock *block;

		v2s16 p2d(p.X, p.Z);
		sector = m_env.getMap().emergeSector(p2d);

		assert(sector->getPos() == p2d);

		//TimeTaker timer("MapBlock deSerialize");
		// 0ms

		block = sector->getBlockNoCreateNoEx(p.Y);
		if(block)
		{
			/*
				Update an existing block
			*/
			//infostream<<"Updating"<<std::endl;
			block->deSerialize(istr, ser_version);
		}
		else
		{
			/*
				Create a new block
			*/
			//infostream<<"Creating new"<<std::endl;
			block = new MapBlock(&m_env.getMap(), p);
			block->deSerialize(istr, ser_version);
			sector->insertBlock(block);

			//DEBUG
			/*NodeMod mod;
			mod.type = NODEMOD_CHANGECONTENT;
			mod.param = CONTENT_MESE;
			block->setTempMod(v3s16(8,10,8), mod);
			block->setTempMod(v3s16(8,9,8), mod);
			block->setTempMod(v3s16(8,8,8), mod);
			block->setTempMod(v3s16(8,7,8), mod);
			block->setTempMod(v3s16(8,6,8), mod);*/
		}

#if 0
		/*
			Acknowledge block
		*/
		/*
			[0] u16 command
			[2] u8 count
			[3] v3s16 pos_0
			[3+6] v3s16 pos_1
			...
		*/
		u32 replysize = 2+1+6;
		SharedBuffer<u8> reply(replysize);
		writeU16(&reply[0], TOSERVER_GOTBLOCKS);
		reply[2] = 1;
		writeV3S16(&reply[3], p);
		// Send as reliable
		m_con.Send(PEER_ID_SERVER, 1, reply, true);
#endif

		/*
			Update Mesh of this block and blocks at x-, y- and z-.
			Environment should not be locked as it interlocks with the
			main thread, from which is will want to retrieve textures.
		*/

		//m_env.getClientMap().updateMeshes(block->getPos(), getDayNightRatio());
		/*
			Add it to mesh update queue and set it to be acknowledged after update.
		*/
		//infostream<<"Adding mesh update task for received block"<<std::endl;
		addUpdateMeshTaskWithEdge(p, true);
	}
	else if(command == TOCLIENT_PLAYERPOS)
	{
		infostream<<"Received deprecated TOCLIENT_PLAYERPOS"
				<<std::endl;
		/*u16 our_peer_id;
		{
			//JMutexAutoLock lock(m_con_mutex); //bulk comment-out
			our_peer_id = m_con.GetPeerID();
		}
		// Cancel if we don't have a peer id
		if(our_peer_id == PEER_ID_INEXISTENT){
			infostream<<"TOCLIENT_PLAYERPOS cancelled: "
					"we have no peer id"
					<<std::endl;
			return;
		}*/

		{ //envlock
			//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out

			u32 player_size = 2+12+12+4+4;

			u32 player_count = (datasize-2) / player_size;
			u32 start = 2;
			for(u32 i=0; i<player_count; i++)
			{
				u16 peer_id = readU16(&data[start]);

				Player *player = m_env.getPlayer(peer_id);

				// Skip if player doesn't exist
				if(player == NULL)
				{
					start += player_size;
					continue;
				}

				// Skip if player is local player
				if(player->isLocal())
				{
					start += player_size;
					continue;
				}

				v3s32 ps = readV3S32(&data[start+2]);
				v3s32 ss = readV3S32(&data[start+2+12]);
				s32 pitch_i = readS32(&data[start+2+12+12]);
				s32 yaw_i = readS32(&data[start+2+12+12+4]);
				/*infostream<<"Client: got "
						<<"pitch_i="<<pitch_i
						<<" yaw_i="<<yaw_i<<std::endl;*/
				f32 pitch = (f32)pitch_i / 100.0;
				f32 yaw = (f32)yaw_i / 100.0;
				v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
				v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
				player->setPosition(position);
				player->setSpeed(speed);
				player->setPitch(pitch);
				player->setYaw(yaw);

				/*infostream<<"Client: player "<<peer_id
						<<" pitch="<<pitch
						<<" yaw="<<yaw<<std::endl;*/

				start += player_size;
			}
		} //envlock
	}
	else if(command == TOCLIENT_PLAYERINFO)
	{
		u16 our_peer_id;
		{
			//JMutexAutoLock lock(m_con_mutex); //bulk comment-out
			our_peer_id = m_con.GetPeerID();
		}
		// Cancel if we don't have a peer id
		if(our_peer_id == PEER_ID_INEXISTENT){
			infostream<<"TOCLIENT_PLAYERINFO cancelled: "
					"we have no peer id"
					<<std::endl;
			return;
		}

		//infostream<<"Client: Server reports players:"<<std::endl;

		{ //envlock
			//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out

			u32 item_size = 2+PLAYERNAME_SIZE;
			u32 player_count = (datasize-2) / item_size;
			u32 start = 2;
			// peer_ids
			core::list<u16> players_alive;
			for(u32 i=0; i<player_count; i++)
			{
				// Make sure the name ends in '\0'
				data[start+2+20-1] = 0;

				u16 peer_id = readU16(&data[start]);

				players_alive.push_back(peer_id);

				/*infostream<<"peer_id="<<peer_id
						<<" name="<<((char*)&data[start+2])<<std::endl;*/

				// Don't update the info of the local player
				if(peer_id == our_peer_id)
				{
					start += item_size;
					continue;
				}

				Player *player = m_env.getPlayer(peer_id);

				// Create a player if it doesn't exist
				if(player == NULL)
				{
					player = new RemotePlayer(
							m_device->getSceneManager()->getRootSceneNode(),
							m_device,
							-1);
					player->peer_id = peer_id;
					m_env.addPlayer(player);
					infostream<<"Client: Adding new player "
							<<peer_id<<std::endl;
				}

				player->updateName((char*)&data[start+2]);

				start += item_size;
			}

			/*
				Remove those players from the environment that
				weren't listed by the server.
			*/
			//infostream<<"Removing dead players"<<std::endl;
			core::list<Player*> players = m_env.getPlayers();
			core::list<Player*>::Iterator ip;
			for(ip=players.begin(); ip!=players.end(); ip++)
			{
				// Ingore local player
				if((*ip)->isLocal())
					continue;

				// Warn about a special case
				if((*ip)->peer_id == 0)
				{
					infostream<<"Client: Removing "
							"dead player with id=0"<<std::endl;
				}

				bool is_alive = false;
				core::list<u16>::Iterator i;
				for(i=players_alive.begin(); i!=players_alive.end(); i++)
				{
					if((*ip)->peer_id == *i)
					{
						is_alive = true;
						break;
					}
				}
				/*infostream<<"peer_id="<<((*ip)->peer_id)
						<<" is_alive="<<is_alive<<std::endl;*/
				if(is_alive)
					continue;
				infostream<<"Removing dead player "<<(*ip)->peer_id
						<<std::endl;
				m_env.removePlayer((*ip)->peer_id);
			}
		} //envlock
	}
	else if(command == TOCLIENT_SECTORMETA)
	{
		infostream<<"Client received DEPRECATED TOCLIENT_SECTORMETA"<<std::endl;
#if 0
		/*
			[0] u16 command
			[2] u8 sector count
			[3...] v2s16 pos + sector metadata
		*/
		if(datasize < 3)
			return;

		//infostream<<"Client received TOCLIENT_SECTORMETA"<<std::endl;

		{ //envlock
			//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out

			std::string datastring((char*)&data[2], datasize-2);
			std::istringstream is(datastring, std::ios_base::binary);

			u8 buf[4];

			is.read((char*)buf, 1);
			u16 sector_count = readU8(buf);

			//infostream<<"sector_count="<<sector_count<<std::endl;

			for(u16 i=0; i<sector_count; i++)
			{
				// Read position
				is.read((char*)buf, 4);
				v2s16 pos = readV2S16(buf);
				/*infostream<<"Client: deserializing sector at "
						<<"("<<pos.X<<","<<pos.Y<<")"<<std::endl;*/
				// Create sector
				assert(m_env.getMap().mapType() == MAPTYPE_CLIENT);
				((ClientMap&)m_env.getMap()).deSerializeSector(pos, is);
			}
		} //envlock
#endif
	}
	else if(command == TOCLIENT_INVENTORY)
	{
		if(datasize < 3)
			return;

		//TimeTaker t1("Parsing TOCLIENT_INVENTORY", m_device);

		{ //envlock
			//TimeTaker t2("mutex locking", m_device);
			//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
			//t2.stop();

			//TimeTaker t3("istringstream init", m_device);
			std::string datastring((char*)&data[2], datasize-2);
			std::istringstream is(datastring, std::ios_base::binary);
			//t3.stop();

			//m_env.printPlayers(infostream);

			//TimeTaker t4("player get", m_device);
			Player *player = m_env.getLocalPlayer();
			assert(player != NULL);
			//t4.stop();

			//TimeTaker t1("inventory.deSerialize()", m_device);
			player->inventory.deSerialize(is);
			//t1.stop();

			m_inventory_updated = true;

			//infostream<<"Client got player inventory:"<<std::endl;
			//player->inventory.print(infostream);
		}
	}
	//DEBUG
	else if(command == TOCLIENT_OBJECTDATA)
	{
		// Strip command word and create a stringstream
		std::string datastring((char*)&data[2], datasize-2);
		std::istringstream is(datastring, std::ios_base::binary);

		u8 buf[12];

		/*
			Read players
		*/

		is.read((char*)buf, 2);
		u16 playercount = readU16(buf);

		for(u16 i=0; i<playercount; i++)
		{
			is.read((char*)buf, 2);
			u16 peer_id = readU16(buf);
			is.read((char*)buf, 12);
			v3s32 p_i = readV3S32(buf);
			is.read((char*)buf, 12);
			v3s32 s_i = readV3S32(buf);
			is.read((char*)buf, 4);
			s32 pitch_i = readS32(buf);
			is.read((char*)buf, 4);
			s32 yaw_i = readS32(buf);

			Player *player = m_env.getPlayer(peer_id);

			// Skip if player doesn't exist
			if(player == NULL)
			{
				continue;
			}

			// Skip if player is local player
			if(player->isLocal())
			{
				continue;
			}

			f32 pitch = (f32)pitch_i / 100.0;
			f32 yaw = (f32)yaw_i / 100.0;
			v3f position((f32)p_i.X/100., (f32)p_i.Y/100., (f32)p_i.Z/100.);
			v3f speed((f32)s_i.X/100., (f32)s_i.Y/100., (f32)s_i.Z/100.);

			player->setPosition(position);
			player->setSpeed(speed);
			player->setPitch(pitch);
			player->setYaw(yaw);
		}

		/*
			Read block objects
			NOTE: Deprecated stuff
		*/

		// Read active block count
		u16 blockcount = readU16(is);
		if(blockcount != 0){
			infostream<<"TOCLIENT_OBJECTDATA: blockcount != 0 "
					"not supported"<<std::endl;
			return;
		}
	}
	else if(command == TOCLIENT_TIME_OF_DAY)
	{
		if(datasize < 4)
			return;

		u16 time_of_day = readU16(&data[2]);
		time_of_day = time_of_day % 24000;
		//infostream<<"Client: time_of_day="<<time_of_day<<std::endl;

		/*
			time_of_day:
			0 = midnight
			12000 = midday
		*/
		{
			m_env.setTimeOfDay(time_of_day);

			u32 dr = m_env.getDayNightRatio();

			infostream<<"Client: time_of_day="<<time_of_day
					<<", dr="<<dr
					<<std::endl;
		}

	}
	else if(command == TOCLIENT_CHAT_MESSAGE)
	{
		/*
			u16 command
			u16 length
			wstring message
		*/
		u8 buf[6];
		std::string datastring((char*)&data[2], datasize-2);
		std::istringstream is(datastring, std::ios_base::binary);

		// Read stuff
		is.read((char*)buf, 2);
		u16 len = readU16(buf);

		std::wstring message;
		for(u16 i=0; i<len; i++)
		{
			is.read((char*)buf, 2);
			message += (wchar_t)readU16(buf);
		}

		/*infostream<<"Client received chat message: "
				<<wide_to_narrow(message)<<std::endl;*/

		m_chat_queue.push_back(message);
	}
	else if(command == TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD)
	{
		//if(g_settings->getBool("enable_experimental"))
		{
			/*
				u16 command
				u16 count of removed objects
				for all removed objects {
					u16 id
				}
				u16 count of added objects
				for all added objects {
					u16 id
					u8 type
					u32 initialization data length
					string initialization data
				}
			*/

			char buf[6];
			// Get all data except the command number
			std::string datastring((char*)&data[2], datasize-2);
			// Throw them in an istringstream
			std::istringstream is(datastring, std::ios_base::binary);

			// Read stuff

			// Read removed objects
			is.read(buf, 2);
			u16 removed_count = readU16((u8*)buf);
			for(u16 i=0; i<removed_count; i++)
			{
				is.read(buf, 2);
				u16 id = readU16((u8*)buf);
				// Remove it
				{
					//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
					m_env.removeActiveObject(id);
				}
			}

			// Read added objects
			is.read(buf, 2);
			u16 added_count = readU16((u8*)buf);
			for(u16 i=0; i<added_count; i++)
			{
				is.read(buf, 2);
				u16 id = readU16((u8*)buf);
				is.read(buf, 1);
				u8 type = readU8((u8*)buf);
				std::string data = deSerializeLongString(is);
				// Add it
				{
					//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
					m_env.addActiveObject(id, type, data);
				}
			}
		}
	}
	else if(command == TOCLIENT_ACTIVE_OBJECT_MESSAGES)
	{
		//if(g_settings->getBool("enable_experimental"))
		{
			/*
				u16 command
				for all objects
				{
					u16 id
					u16 message length
					string message
				}
			*/
			char buf[6];
			// Get all data except the command number
			std::string datastring((char*)&data[2], datasize-2);
			// Throw them in an istringstream
			std::istringstream is(datastring, std::ios_base::binary);

			while(is.eof() == false)
			{
				// Read stuff
				is.read(buf, 2);
				u16 id = readU16((u8*)buf);
				if(is.eof())
					break;
				is.read(buf, 2);
				u16 message_size = readU16((u8*)buf);
				std::string message;
				message.reserve(message_size);
				for(u16 i=0; i<message_size; i++)
				{
					is.read(buf, 1);
					message.append(buf, 1);
				}
				// Pass on to the environment
				{
					//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
					m_env.processActiveObjectMessage(id, message);
				}
			}
		}
	}
	else if(command == TOCLIENT_HP)
	{
		std::string datastring((char*)&data[2], datasize-2);
		std::istringstream is(datastring, std::ios_base::binary);
		Player *player = m_env.getLocalPlayer();
		assert(player != NULL);
		u8 hp = readU8(is);
		player->hp = hp;
	}
	else if(command == TOCLIENT_MOVE_PLAYER)
	{
		std::string datastring((char*)&data[2], datasize-2);
		std::istringstream is(datastring, std::ios_base::binary);
		Player *player = m_env.getLocalPlayer();
		assert(player != NULL);
		v3f pos = readV3F1000(is);
		f32 pitch = readF1000(is);
		f32 yaw = readF1000(is);
		player->setPosition(pos);
		/*player->setPitch(pitch);
		player->setYaw(yaw);*/

		infostream<<"Client got TOCLIENT_MOVE_PLAYER"
				<<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
				<<" pitch="<<pitch
				<<" yaw="<<yaw
				<<std::endl;

		/*
			Add to ClientEvent queue.
			This has to be sent to the main program because otherwise
			it would just force the pitch and yaw values to whatever
			the camera points to.
		*/
		ClientEvent event;
		event.type = CE_PLAYER_FORCE_MOVE;
		event.player_force_move.pitch = pitch;
		event.player_force_move.yaw = yaw;
		m_client_event_queue.push_back(event);

		// Ignore damage for a few seconds, so that the player doesn't
		// get damage from falling on ground
		m_ignore_damage_timer = 3.0;
	}
	else if(command == TOCLIENT_PLAYERITEM)
	{
		std::string datastring((char*)&data[2], datasize-2);
		std::istringstream is(datastring, std::ios_base::binary);

		u16 count = readU16(is);

		for (u16 i = 0; i < count; ++i) {
			u16 peer_id = readU16(is);
			Player *player = m_env.getPlayer(peer_id);

			if (player == NULL)
			{
				infostream<<"Client: ignoring player item "
					<< deSerializeString(is)
					<< " for non-existing peer id " << peer_id
					<< std::endl;
				continue;
			} else if (player->isLocal()) {
				infostream<<"Client: ignoring player item "
					<< deSerializeString(is)
					<< " for local player" << std::endl;
				continue;
			} else {
				InventoryList *inv = player->inventory.getList("main");
				std::string itemstring(deSerializeString(is));
				if (itemstring.empty()) {
					inv->deleteItem(0);
					infostream
						<<"Client: empty player item for peer "
						<< peer_id << std::endl;
				} else {
					std::istringstream iss(itemstring);
					delete inv->changeItem(0, InventoryItem::deSerialize(iss));
					infostream<<"Client: player item for peer " << peer_id << ": ";
					player->getWieldItem()->serialize(infostream);
					infostream<<std::endl;
				}
			}
		}
	}
	else if(command == TOCLIENT_DEATHSCREEN)
	{
		std::string datastring((char*)&data[2], datasize-2);
		std::istringstream is(datastring, std::ios_base::binary);

		bool set_camera_point_target = readU8(is);
		v3f camera_point_target = readV3F1000(is);

		ClientEvent event;
		event.type = CE_DEATHSCREEN;
		event.deathscreen.set_camera_point_target = set_camera_point_target;
		event.deathscreen.camera_point_target_x = camera_point_target.X;
		event.deathscreen.camera_point_target_y = camera_point_target.Y;
		event.deathscreen.camera_point_target_z = camera_point_target.Z;
		m_client_event_queue.push_back(event);
	}
	else
	{
		infostream<<"Client: Ignoring unknown command "
				<<command<<std::endl;
	}
}
Exemple #8
0
/************************************************************************************
 *
* ***********************************************************************************/
void ScopeDome::TimerHit()
{
    if (!isConnected())
        return; //  No need to reset timer if we are not connected anymore

    readU16(GetStatus, currentStatus);
    // LOGF_INFO("Status: %x", currentStatus);
    UpdatePosition();

    UpdateShutterStatus();
    IDSetSwitch(&DomeShutterSP, nullptr);

    UpdateRelayStatus();

    if (status == DOME_HOMING)
    {
        if ((currentStatus & 8) == 0 && getInputState(IN_HOME))
        {
            // Found home
            status   = DOME_READY;
            targetAz = DomeHomePositionN[0].value;

            // Reset counter
            writeCmd(ResetCounter);

            FindHomeSP.s   = IPS_OK;
            DomeAbsPosNP.s = IPS_OK;
            IDSetSwitch(&FindHomeSP, nullptr);
        }
        IDSetNumber(&DomeAbsPosNP, nullptr);
    }
    else if (status == DOME_DEROTATING)
    {
        if ((currentStatus & 2) == 0)
        {
            readS32(GetCounterExt, currentRotation);
            LOGF_INFO("Current rotation is %d", currentRotation);
            if (abs(currentRotation) < 100)
            {
                // Close enough
                status         = DOME_READY;
                DerotateSP.s   = IPS_OK;
                DomeAbsPosNP.s = IPS_OK;
                IDSetSwitch(&DerotateSP, nullptr);
            }
            else
            {
                if (currentRotation < 0)
                {
                    writeU16(CCWRotation, compensateInertia(-currentRotation));
                }
                else
                {
                    writeU16(CWRotation, compensateInertia(currentRotation));
                }
            }
        }
        IDSetNumber(&DomeAbsPosNP, nullptr);
    }
    else if (DomeAbsPosNP.s == IPS_BUSY)
    {
        if ((currentStatus & 2) == 0)
        {
            // Rotation idle, are we close enough?
            double azDiff = targetAz - DomeAbsPosN[0].value;
            if (azDiff > 180)
            {
                azDiff -= 360;
            }
            if (azDiff < -180)
            {
                azDiff += 360;
            }
            if (fabs(azDiff) <= DomeParamN[0].value)
            {
                DomeAbsPosN[0].value = targetAz;
                DomeAbsPosNP.s       = IPS_OK;
                LOG_INFO("Dome reached requested azimuth angle.");

                if (getDomeState() == DOME_PARKING)
                {
                    if (ParkShutterS[0].s == ISS_ON && getInputState(IN_CLOSED1) == ISS_OFF)
                    {
                        ControlShutter(SHUTTER_CLOSE);
                    }
                    else
                    {
                        SetParked(true);
                    }
                }
                else if (getDomeState() == DOME_UNPARKING)
                    SetParked(false);
                else
                    setDomeState(DOME_SYNCED);
            }
            else
            {
                // Refine azimuth
                MoveAbs(targetAz);
            }
        }

        IDSetNumber(&DomeAbsPosNP, nullptr);
    }
    else
        IDSetNumber(&DomeAbsPosNP, nullptr);

    // Read temperatures only every 10th time
    static int tmpCounter = 0;
    if (--tmpCounter <= 0)
    {
        UpdateSensorStatus();
        tmpCounter = 10;
    }

    SetTimer(POLLMS);
}
Exemple #9
0
uv_err_t UVDData::write16(uint32_t offset, int16_t in, uint32_t endianness)
{
	return UV_DEBUG(writeU16(offset, (uint16_t)in, endianness));	
}
Exemple #10
0
void MapBlock::serialize(std::ostream &os, u8 version, bool disk)
{
	if(!ser_ver_supported(version))
		throw VersionMismatchException("ERROR: MapBlock format not supported");

	if (!data)
		throw SerializationError("ERROR: Not writing dummy block.");

	FATAL_ERROR_IF(version < SER_FMT_VER_LOWEST_WRITE, "Serialisation version error");

	// First byte
	u8 flags = 0;
	if(is_underground)
		flags |= 0x01;
	if(getDayNightDiff())
		flags |= 0x02;
	if(m_generated == false)
		flags |= 0x08;
	writeU8(os, flags);
	if (version >= 27) {
		writeU16(os, m_lighting_complete);
	}

	/*
		Bulk node data
	*/
	NameIdMapping nimap;
	if(disk)
	{
		MapNode *tmp_nodes = new MapNode[nodecount];
		for(u32 i=0; i<nodecount; i++)
			tmp_nodes[i] = data[i];
		getBlockNodeIdMapping(&nimap, tmp_nodes, m_gamedef->ndef());

		u8 content_width = 2;
		u8 params_width = 2;
		writeU8(os, content_width);
		writeU8(os, params_width);
		MapNode::serializeBulk(os, version, tmp_nodes, nodecount,
				content_width, params_width, true);
		delete[] tmp_nodes;
	}
	else
	{
		u8 content_width = 2;
		u8 params_width = 2;
		writeU8(os, content_width);
		writeU8(os, params_width);
		MapNode::serializeBulk(os, version, data, nodecount,
				content_width, params_width, true);
	}

	/*
		Node metadata
	*/
	std::ostringstream oss(std::ios_base::binary);
	m_node_metadata.serialize(oss, version, disk);
	compressZlib(oss.str(), os);

	/*
		Data that goes to disk, but not the network
	*/
	if(disk)
	{
		if(version <= 24){
			// Node timers
			m_node_timers.serialize(os, version);
		}

		// Static objects
		m_static_objects.serialize(os);

		// Timestamp
		writeU32(os, getTimestamp());

		// Write block-specific node definition id mapping
		nimap.serialize(os);

		if(version >= 25){
			// Node timers
			m_node_timers.serialize(os, version);
		}
	}
}
Exemple #11
0
void ContentFeatures::serialize(std::ostream &os, u16 protocol_version) const
{
	// protocol_version >= 36
	u8 version = 12;
	writeU8(os, version);

	// general
	os << serializeString(name);
	writeU16(os, groups.size());
	for (const auto &group : groups) {
		os << serializeString(group.first);
		writeS16(os, group.second);
	}
	writeU8(os, param_type);
	writeU8(os, param_type_2);

	// visual
	writeU8(os, drawtype);
	os << serializeString(mesh);
	writeF1000(os, visual_scale);
	writeU8(os, 6);
	for (const TileDef &td : tiledef)
		td.serialize(os, protocol_version);
	for (const TileDef &td : tiledef_overlay)
		td.serialize(os, protocol_version);
	writeU8(os, CF_SPECIAL_COUNT);
	for (const TileDef &td : tiledef_special) {
		td.serialize(os, protocol_version);
	}
	writeU8(os, alpha);
	writeU8(os, color.getRed());
	writeU8(os, color.getGreen());
	writeU8(os, color.getBlue());
	os << serializeString(palette_name);
	writeU8(os, waving);
	writeU8(os, connect_sides);
	writeU16(os, connects_to_ids.size());
	for (u16 connects_to_id : connects_to_ids)
		writeU16(os, connects_to_id);
	writeU8(os, post_effect_color.getAlpha());
	writeU8(os, post_effect_color.getRed());
	writeU8(os, post_effect_color.getGreen());
	writeU8(os, post_effect_color.getBlue());
	writeU8(os, leveled);

	// lighting
	writeU8(os, light_propagates);
	writeU8(os, sunlight_propagates);
	writeU8(os, light_source);

	// map generation
	writeU8(os, is_ground_content);

	// interaction
	writeU8(os, walkable);
	writeU8(os, pointable);
	writeU8(os, diggable);
	writeU8(os, climbable);
	writeU8(os, buildable_to);
	writeU8(os, rightclickable);
	writeU32(os, damage_per_second);

	// liquid
	writeU8(os, liquid_type);
	os << serializeString(liquid_alternative_flowing);
	os << serializeString(liquid_alternative_source);
	writeU8(os, liquid_viscosity);
	writeU8(os, liquid_renewable);
	writeU8(os, liquid_range);
	writeU8(os, drowning);
	writeU8(os, floodable);

	// node boxes
	node_box.serialize(os, protocol_version);
	selection_box.serialize(os, protocol_version);
	collision_box.serialize(os, protocol_version);

	// sound
	serializeSimpleSoundSpec(sound_footstep, os, version);
	serializeSimpleSoundSpec(sound_dig, os, version);
	serializeSimpleSoundSpec(sound_dug, os, version);

	// legacy
	writeU8(os, legacy_facedir_simple);
	writeU8(os, legacy_wallmounted);

	os << serializeString(node_dig_prediction);
}
Exemple #12
0
status AVRFile::writeInit(AFfilesetup setup)
{
	if (initFromSetup(setup) == AF_FAIL)
		return AF_FAIL;

	if (m_fh->seek(0, File::SeekFromBeginning) != 0)
	{
		_af_error(AF_BAD_LSEEK, "bad seek");
		return AF_FAIL;
	}

	Track *track = getTrack();

	char name[8];
	uint16_t mono, resolution, sign, loop, midi;
	uint32_t rate, size, loopStart, loopEnd;
	char reserved[26];
	char user[64];

	m_fh->write("2BIT", 4);
	memset(name, 0, 8);
	if (m_fileName != NULL)
		strncpy(name, af_basename(m_fileName), 8);
	m_fh->write(name, 8);

	if (track->f.channelCount == 1)
		mono = 0x0;
	else
		mono = 0xffff;
	writeU16(&mono);

	resolution = track->f.sampleWidth;
	writeU16(&resolution);

	if (track->f.sampleFormat == AF_SAMPFMT_UNSIGNED)
		sign = 0x0;
	else
		sign = 0xffff;
	writeU16(&sign);

	/* We do not currently support loops. */
	loop = 0;
	writeU16(&loop);
	midi = 0xffff;
	writeU16(&midi);

	rate = track->f.sampleRate;
	/* Set the high-order byte of rate to 0xff. */
	rate |= 0xff000000;
	size = track->totalfframes;
	loopStart = 0;
	loopEnd = size;

	writeU32(&rate);
	writeU32(&size);
	writeU32(&loopStart);
	writeU32(&loopEnd);

	memset(reserved, 0, 26);
	m_fh->write(reserved, 26);

	memset(user, 0, 64);
	m_fh->write(user, 64);

	if (track->fpos_first_frame == 0)
		track->fpos_first_frame = m_fh->tell();

	return AF_SUCCEED;
}
void process(void)
{
	FILE *outfile;
	u8 *fwdata;
	u8 *GCfwdata;
	int bytes, GCbytes=-1;

	if(verbose) printf("Create file '%s'\n", outfilename);

	if ((outfile = fopen(outfilename, "wb")) == NULL)
	{
		fprintf(stderr, "Can't open output file '%s'\n", outfilename);
		return;
	}
	else
	{
		FWHeader *header;
		//write_file(outfile, f);
		bytes=load_file(STMinfile,&fwdata,1);
		
			
		
		//read stm part
		if(bytes<FW_HEADER_OFFSET+sizeof(FWHeader))
		{
			fprintf(stderr,"File too small to be valid\n");
			return;
		}
		//embed cksum to stm32 fw
		embed_checksum(fwdata,bytes);

		//read gc part
		if(GCinfile!=NULL)
		{
			GCbytes=load_file(GCinfile,&GCfwdata,0);
			if(verify_GC_firmware(GCfwdata,GCbytes)==0)
			{
				fprintf(stderr,"GC firmware file not correct for this device\n");
				return;
			}
		}
		
		//write header
		writeU32(outfile,'WFDG');//writes "GDFW"
		writeU16(outfile,300); //BL file version
		writeU16(outfile,4000); //Target drive type
		writeU32(outfile,bytes); //num of bytes of STM32 FW
		writeU32(outfile,GCbytes); //num of bytes of GC FW		
		
		//write stm32 part
		write_file(outfile,bytes,fwdata);

		//write gc part
		if(GCinfile!=NULL)
		{
			write_file(outfile,GCbytes,GCfwdata);
		}
		
		writeU32(outfile,outFileChecksum);
		
		fclose(outfile);
	}
}
Exemple #14
0
//// Serialization of old ContentFeatures formats
void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const
{
	if (protocol_version == 13)
	{
		writeU8(os, 5); // version
		os<<serializeString(name);
		writeU16(os, groups.size());
		for (ItemGroupList::const_iterator
				i = groups.begin(); i != groups.end(); ++i) {
			os<<serializeString(i->first);
			writeS16(os, i->second);
		}
		writeU8(os, drawtype);
		writeF1000(os, visual_scale);
		writeU8(os, 6);
		for (u32 i = 0; i < 6; i++)
			tiledef[i].serialize(os, protocol_version);
		//CF_SPECIAL_COUNT = 2 before cf ver. 7 and protocol ver. 24
		writeU8(os, 2);
		for (u32 i = 0; i < 2; i++)
			tiledef_special[i].serialize(os, protocol_version);
		writeU8(os, alpha);
		writeU8(os, post_effect_color.getAlpha());
		writeU8(os, post_effect_color.getRed());
		writeU8(os, post_effect_color.getGreen());
		writeU8(os, post_effect_color.getBlue());
		writeU8(os, param_type);
		writeU8(os, param_type_2);
		writeU8(os, is_ground_content);
		writeU8(os, light_propagates);
		writeU8(os, sunlight_propagates);
		writeU8(os, walkable);
		writeU8(os, pointable);
		writeU8(os, diggable);
		writeU8(os, climbable);
		writeU8(os, buildable_to);
		os<<serializeString(""); // legacy: used to be metadata_name
		writeU8(os, liquid_type);
		os<<serializeString(liquid_alternative_flowing);
		os<<serializeString(liquid_alternative_source);
		writeU8(os, liquid_viscosity);
		writeU8(os, light_source);
		writeU32(os, damage_per_second);
		node_box.serialize(os, protocol_version);
		selection_box.serialize(os, protocol_version);
		writeU8(os, legacy_facedir_simple);
		writeU8(os, legacy_wallmounted);
		serializeSimpleSoundSpec(sound_footstep, os);
		serializeSimpleSoundSpec(sound_dig, os);
		serializeSimpleSoundSpec(sound_dug, os);
	}
	else if (protocol_version > 13 && protocol_version < 24) {
		writeU8(os, 6); // version
		os<<serializeString(name);
		writeU16(os, groups.size());
		for (ItemGroupList::const_iterator
			i = groups.begin(); i != groups.end(); ++i) {
				os<<serializeString(i->first);
				writeS16(os, i->second);
		}
		writeU8(os, drawtype);
		writeF1000(os, visual_scale);
		writeU8(os, 6);
		for (u32 i = 0; i < 6; i++)
			tiledef[i].serialize(os, protocol_version);
		//CF_SPECIAL_COUNT = 2 before cf ver. 7 and protocol ver. 24
		writeU8(os, 2);
		for (u32 i = 0; i < 2; i++)
			tiledef_special[i].serialize(os, protocol_version);
		writeU8(os, alpha);
		writeU8(os, post_effect_color.getAlpha());
		writeU8(os, post_effect_color.getRed());
		writeU8(os, post_effect_color.getGreen());
		writeU8(os, post_effect_color.getBlue());
		writeU8(os, param_type);
		writeU8(os, param_type_2);
		writeU8(os, is_ground_content);
		writeU8(os, light_propagates);
		writeU8(os, sunlight_propagates);
		writeU8(os, walkable);
		writeU8(os, pointable);
		writeU8(os, diggable);
		writeU8(os, climbable);
		writeU8(os, buildable_to);
		os<<serializeString(""); // legacy: used to be metadata_name
		writeU8(os, liquid_type);
		os<<serializeString(liquid_alternative_flowing);
		os<<serializeString(liquid_alternative_source);
		writeU8(os, liquid_viscosity);
		writeU8(os, liquid_renewable);
		writeU8(os, light_source);
		writeU32(os, damage_per_second);
		node_box.serialize(os, protocol_version);
		selection_box.serialize(os, protocol_version);
		writeU8(os, legacy_facedir_simple);
		writeU8(os, legacy_wallmounted);
		serializeSimpleSoundSpec(sound_footstep, os);
		serializeSimpleSoundSpec(sound_dig, os);
		serializeSimpleSoundSpec(sound_dug, os);
		writeU8(os, rightclickable);
		writeU8(os, drowning);
		writeU8(os, leveled);
		writeU8(os, liquid_range);
	} else
		throw SerializationError("ContentFeatures::serialize(): "
			"Unsupported version requested");
}
bool ItemsOtbWriter::writeItemsOtb(shared_ptr <DatObjectList> items, const wxString & filename, ProgressUpdatable * progressUpdatable)
{
	file.open(filename.mb_str(), ios::out | ios::binary);
	if (file.is_open())
	{
		auto & itemAttributes = AdvancedAttributesManager::getInstance().getCategoryAttributes(CategoryItem);

		writeU32(0); // write 4 bytes for file version, they aren't used really, it seems
		file.put((const char) NODE_START);
		writeByte(0); // type info, seems to be unused
		writeU32(0); // some flags maybe, also looks unused
		writeByte(ROOT_ATTR_VERSION); // version attribute
		writeU16(DATA_LENGTH); // data length here should be constant
		// writing version, not sure why every version component is stored in U32 though, just waste of space...
		writeU32(V_MAJOR);
		writeU32(V_MINOR);
		writeU32(V_BUILD);
		// writing string version
		int versionLen = strlen(OTB_VERSION_STR), remainingLen = DATA_LENGTH - versionLen;
		file.write(OTB_VERSION_STR, versionLen);
		// filling up to 128 bytes (format requirement)
		char * zeros = new char[remainingLen];
		memset(zeros, 0, remainingLen);
		file.write(zeros, remainingLen);
		delete [] zeros;

		// writing actual items
		unsigned int writings = 0, total = items->size();
		shared_ptr <AdvancedObjectAttributes> attrs = nullptr;
		for (auto & item : *items)
		{
			attrs = itemAttributes[item->id];

			file.put((const char) NODE_START);

			// writing group byte
			if (attrs && attrs->group)
			{
				writeByte(attrs->group);
			}
			else if (item->isGround || item->isFullGround)
			{
				writeByte(ITEM_GROUP_GROUND);
			}
			else
			{
				writeByte(ITEM_GROUP_NONE);
			}

			// writing flags
			unsigned int flags = 0;
			if (!item->isWalkable) flags |= FLAG_BLOCK_SOLID;
			if (item->blocksProjectiles) flags |= FLAG_BLOCK_PROJECTILE;
			if (!item->isPathable) flags |= FLAG_BLOCK_PATHFIND;
			if (item->isPickupable) flags |= FLAG_PICKUPABLE;
			if (item->isMovable) flags |= FLAG_MOVEABLE;
			if (item->isStackable) flags |= FLAG_STACKABLE;
			if (item->isHangable) flags |= FLAG_HANGABLE;
			if (item->isUsable) flags |= FLAG_USEABLE;
			writeU32(flags);

			// writing attributes
			const unsigned short datalen = 2; // this is constant 2 bytes

			// writing server ID, this will be simply item ID
			writeByte(ITEM_ATTR_SERVER_ID);
			writeU16(datalen);
			writeU16(item->id);

			// writing client ID, this will be SAME item ID, because we're making one-to-one mapping
			writeByte(ITEM_ATTR_CLIENT_ID);
			writeU16(datalen);
			writeU16(item->id);

			// if item 'isFullGround', writing ground speed, it's not used in RME, but just for compatibility
			if (item->isFullGround)
			{
				writeByte(ITEM_ATTR_SPEED);
				writeU16(datalen);
				writeU16(item->groundSpeed);
			}

			// if item 'isLightSource', writing light intensity and color, it's not used in RME, but just for compatibility
			if (item->isLightSource)
			{
				writeByte(ITEM_ATTR_LIGHT2);
				writeU16(datalen * 2); // need x2 datalen here
				writeU16(item->lightIntensity);
				writeU16(item->lightColor);
			}

			file.put((const char) NODE_END);

			if (file.bad()) return false;

			progressUpdatable->updateProgress(++writings / (double) total);
		}

		file.put((const char) NODE_END); // closing root node

		progressUpdatable->updateProgress(1);

		file.close();
		return true;
	}
	return false;
}
Exemple #16
0
void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
{
	int version = 1;
	if (protocol_version >= 27)
		version = 3;
	else if (protocol_version >= 21)
		version = 2;
	writeU8(os, version);

	switch (type) {
	case NODEBOX_LEVELED:
	case NODEBOX_FIXED:
		if (version == 1)
			writeU8(os, NODEBOX_FIXED);
		else
			writeU8(os, type);

		writeU16(os, fixed.size());
		for (std::vector<aabb3f>::const_iterator
				i = fixed.begin();
				i != fixed.end(); ++i)
		{
			writeV3F1000(os, i->MinEdge);
			writeV3F1000(os, i->MaxEdge);
		}
		break;
	case NODEBOX_WALLMOUNTED:
		writeU8(os, type);

		writeV3F1000(os, wall_top.MinEdge);
		writeV3F1000(os, wall_top.MaxEdge);
		writeV3F1000(os, wall_bottom.MinEdge);
		writeV3F1000(os, wall_bottom.MaxEdge);
		writeV3F1000(os, wall_side.MinEdge);
		writeV3F1000(os, wall_side.MaxEdge);
		break;
	case NODEBOX_CONNECTED:
		if (version <= 2) {
			// send old clients nodes that can't be walked through
			// to prevent abuse
			writeU8(os, NODEBOX_FIXED);

			writeU16(os, 1);
			writeV3F1000(os, v3f(-BS/2, -BS/2, -BS/2));
			writeV3F1000(os, v3f(BS/2, BS/2, BS/2));
		} else {
			writeU8(os, type);

#define WRITEBOX(box) do { \
		writeU16(os, (box).size()); \
		for (std::vector<aabb3f>::const_iterator \
				i = (box).begin(); \
				i != (box).end(); ++i) { \
			writeV3F1000(os, i->MinEdge); \
			writeV3F1000(os, i->MaxEdge); \
		}; } while (0)

			WRITEBOX(fixed);
			WRITEBOX(connect_top);
			WRITEBOX(connect_bottom);
			WRITEBOX(connect_front);
			WRITEBOX(connect_left);
			WRITEBOX(connect_back);
			WRITEBOX(connect_right);
		}
		break;
	default:
		writeU8(os, type);
		break;
	}
}
Exemple #17
0
void MapBlock::serialize_pre22(std::ostream &os, u8 version, bool disk)
{
	u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;

	MapNode *tmp_data = new MapNode[nodecount];
	
	// Legacy data changes
	// This code has to change from post-22 to pre-22 format.
	INodeDefManager *nodedef = m_gamedef->ndef();
	for(u32 i=0; i<nodecount; i++)
	{
		const ContentFeatures &f = nodedef->get(tmp_data[i].getContent());
		// Mineral
		if(nodedef->getId("default:stone_with_coal") == tmp_data[i].getContent())
		{
			tmp_data[i].setContent(nodedef->getId("default:stone"));
			tmp_data[i].setParam1(1);  // MINERAL_COAL
		}
		else if(nodedef->getId("default:stone_with_iron") == tmp_data[i].getContent())
		{
			tmp_data[i].setContent(nodedef->getId("default:stone"));
			tmp_data[i].setParam1(2);  // MINERAL_IRON
		}
		// facedir_simple
		if(f.legacy_facedir_simple)
		{
			tmp_data[i].setParam1(tmp_data[i].getParam2());
			tmp_data[i].setParam2(0);
		}
		// wall_mounted
		if(f.legacy_wallmounted)
		{
			u8 wallmounted_new_to_old[8] = {0x04, 0x08, 0x01, 0x02, 0x10, 0x20, 0, 0};
			u8 dir_new_format = tmp_data[i].getParam2() & 7; // lowest 3 bits
			u8 dir_old_format = wallmounted_new_to_old[dir_new_format];
			tmp_data[i].setParam2(dir_old_format);
		}
	}

	// Serialize nodes
	u32 ser_length = MapNode::serializedLength(version);
	SharedBuffer<u8> databuf_nodelist(nodecount * ser_length);
	for(u32 i=0; i<nodecount; i++)
	{
		tmp_data[i].serialize(&databuf_nodelist[i*ser_length], version);
	}

	delete[] tmp_data;
		
	// These have no compression
	if(version <= 3 || version == 5 || version == 6)
	{
		writeU8(os, is_underground);
		os.write((char*)*databuf_nodelist, databuf_nodelist.getSize());
	}
	else if(version <= 10)
	{
		/*
			With compression.
			Compress the materials and the params separately.
		*/
		
		// First byte
		writeU8(os, is_underground);

		// Get and compress materials
		SharedBuffer<u8> materialdata(nodecount);
		for(u32 i=0; i<nodecount; i++)
		{
			materialdata[i] = databuf_nodelist[i*ser_length];
		}
		compress(materialdata, os, version);

		// Get and compress lights
		SharedBuffer<u8> lightdata(nodecount);
		for(u32 i=0; i<nodecount; i++)
		{
			lightdata[i] = databuf_nodelist[i*ser_length+1];
		}
		compress(lightdata, os, version);
		
		if(version >= 10)
		{
			// Get and compress param2
			SharedBuffer<u8> param2data(nodecount);
			for(u32 i=0; i<nodecount; i++)
			{
				param2data[i] = databuf_nodelist[i*ser_length+2];
			}
			compress(param2data, os, version);
		}
	}
	// All other versions (newest)
	else
	{
		// First byte
		u8 flags = 0;
		if(is_underground)
			flags |= 0x01;
		if(m_day_night_differs)
			flags |= 0x02;
		if(m_lighting_expired)
			flags |= 0x04;
		if(version >= 18)
		{
			if(m_generated == false)
				flags |= 0x08;
		}
		writeU8(os, flags);
		
		/*
			Get data
		*/

		// Create buffer with different parameters sorted
		SharedBuffer<u8> databuf(nodecount*3);
		for(u32 i=0; i<nodecount; i++)
		{
			databuf[i] = databuf_nodelist[i*ser_length];
			databuf[i+nodecount] = databuf_nodelist[i*ser_length+1];
			databuf[i+nodecount*2] = databuf_nodelist[i*ser_length+2];
		}

		/*
			Compress data to output stream
		*/

		compress(databuf, os, version);
		
		/*
			NodeMetadata
		*/
		if(version >= 14)
		{
			if(version <= 15)
			{
				try{
					std::ostringstream oss(std::ios_base::binary);
					m_node_metadata->serialize(oss);
					os<<serializeString(oss.str());
				}
				// This will happen if the string is longer than 65535
				catch(SerializationError &e)
				{
					// Use an empty string
					os<<serializeString("");
				}
			}
			else
			{
				std::ostringstream oss(std::ios_base::binary);
				m_node_metadata->serialize(oss);
				compressZlib(oss.str(), os);
				//os<<serializeLongString(oss.str());
			}
		}
	}


	if(disk)
	{
		// Versions up from 9 have block objects. (DEPRECATED)
		if(version >= 9)
		{
			// count=0
			writeU16(os, 0);
		}

		// Versions up from 15 have static objects.
		if(version >= 15)
		{
			m_static_objects.serialize(os);
		}

		// Timestamp
		if(version >= 17)
		{
			writeU32(os, getTimestamp());
		}

		// Scan and write node definition id mapping
		if(version >= 21)
		{
			NameIdMapping nimap;
			getBlockNodeIdMapping_pre22(&nimap, data, m_gamedef->ndef());
			nimap.serialize(os);
		}
	}
}
Exemple #18
0
void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
{
	if(protocol_version < 14){
		serializeOld(os, protocol_version);
		return;
	}

	writeU8(os, 6); // version
	os<<serializeString(name);
	writeU16(os, groups.size());
	for(ItemGroupList::const_iterator
			i = groups.begin(); i != groups.end(); i++){
		os<<serializeString(i->first);
		writeS16(os, i->second);
	}
	writeU8(os, drawtype);
	writeF1000(os, visual_scale);
	writeU8(os, 6);
	for(u32 i=0; i<6; i++)
		tiledef[i].serialize(os, protocol_version);
	writeU8(os, CF_SPECIAL_COUNT);
	for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
		tiledef_special[i].serialize(os, protocol_version);
	}
	writeU8(os, alpha);
	writeU8(os, post_effect_color.getAlpha());
	writeU8(os, post_effect_color.getRed());
	writeU8(os, post_effect_color.getGreen());
	writeU8(os, post_effect_color.getBlue());
	writeU8(os, param_type);
	writeU8(os, param_type_2);
	writeU8(os, is_ground_content);
	writeU8(os, light_propagates);
	writeU8(os, sunlight_propagates);
	writeU8(os, walkable);
	writeU8(os, pointable);
	writeU8(os, diggable);
	writeU8(os, climbable);
	writeU8(os, buildable_to);
	os<<serializeString(""); // legacy: used to be metadata_name
	writeU8(os, liquid_type);
	os<<serializeString(liquid_alternative_flowing);
	os<<serializeString(liquid_alternative_source);
	writeU8(os, liquid_viscosity);
	writeU8(os, liquid_renewable);
	writeU8(os, light_source);
	writeU32(os, damage_per_second);
	node_box.serialize(os, protocol_version);
	selection_box.serialize(os, protocol_version);
	writeU8(os, legacy_facedir_simple);
	writeU8(os, legacy_wallmounted);
	serializeSimpleSoundSpec(sound_footstep, os);
	serializeSimpleSoundSpec(sound_dig, os);
	serializeSimpleSoundSpec(sound_dug, os);
	writeU8(os, rightclickable);
	writeU8(os, drowning);
	writeU8(os, leveled);
	writeU8(os, liquid_range);
	// Stuff below should be moved to correct place in a version that otherwise changes
	// the protocol version
}
void Client::step(float dtime)
{
	DSTACK(__FUNCTION_NAME);

	// Limit a bit
	if(dtime > 2.0)
		dtime = 2.0;

	if(m_ignore_damage_timer > dtime)
		m_ignore_damage_timer -= dtime;
	else
		m_ignore_damage_timer = 0.0;

	//infostream<<"Client steps "<<dtime<<std::endl;

	{
		//TimeTaker timer("ReceiveAll()", m_device);
		// 0ms
		ReceiveAll();
	}

	{
		//TimeTaker timer("m_con_mutex + m_con.RunTimeouts()", m_device);
		// 0ms
		//JMutexAutoLock lock(m_con_mutex); //bulk comment-out
		m_con.RunTimeouts(dtime);
	}

	/*
		Packet counter
	*/
	{
		float &counter = m_packetcounter_timer;
		counter -= dtime;
		if(counter <= 0.0)
		{
			counter = 20.0;

			infostream<<"Client packetcounter (20s):"<<std::endl;
			m_packetcounter.print(infostream);
			m_packetcounter.clear();
		}
	}

	// Get connection status
	bool connected = connectedAndInitialized();

#if 0
	{
		/*
			Delete unused sectors

			NOTE: This jams the game for a while because deleting sectors
			      clear caches
		*/

		float &counter = m_delete_unused_sectors_timer;
		counter -= dtime;
		if(counter <= 0.0)
		{
			// 3 minute interval
			//counter = 180.0;
			counter = 60.0;

			//JMutexAutoLock lock(m_env_mutex); //bulk comment-out

			core::list<v3s16> deleted_blocks;

			float delete_unused_sectors_timeout =
				g_settings->getFloat("client_delete_unused_sectors_timeout");

			// Delete sector blocks
			/*u32 num = m_env.getMap().unloadUnusedData
					(delete_unused_sectors_timeout,
					true, &deleted_blocks);*/

			// Delete whole sectors
			m_env.getMap().unloadUnusedData
					(delete_unused_sectors_timeout,
					&deleted_blocks);

			if(deleted_blocks.size() > 0)
			{
				/*infostream<<"Client: Deleted blocks of "<<num
						<<" unused sectors"<<std::endl;*/
				/*infostream<<"Client: Deleted "<<num
						<<" unused sectors"<<std::endl;*/

				/*
					Send info to server
				*/

				// Env is locked so con can be locked.
				//JMutexAutoLock lock(m_con_mutex); //bulk comment-out

				core::list<v3s16>::Iterator i = deleted_blocks.begin();
				core::list<v3s16> sendlist;
				for(;;)
				{
					if(sendlist.size() == 255 || i == deleted_blocks.end())
					{
						if(sendlist.size() == 0)
							break;
						/*
							[0] u16 command
							[2] u8 count
							[3] v3s16 pos_0
							[3+6] v3s16 pos_1
							...
						*/
						u32 replysize = 2+1+6*sendlist.size();
						SharedBuffer<u8> reply(replysize);
						writeU16(&reply[0], TOSERVER_DELETEDBLOCKS);
						reply[2] = sendlist.size();
						u32 k = 0;
						for(core::list<v3s16>::Iterator
								j = sendlist.begin();
								j != sendlist.end(); j++)
						{
							writeV3S16(&reply[2+1+6*k], *j);
							k++;
						}
						m_con.Send(PEER_ID_SERVER, 1, reply, true);

						if(i == deleted_blocks.end())
							break;

						sendlist.clear();
					}

					sendlist.push_back(*i);
					i++;
				}
			}
		}
	}
#endif

	if(connected == false)
	{
		float &counter = m_connection_reinit_timer;
		counter -= dtime;
		if(counter <= 0.0)
		{
			counter = 2.0;

			//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out

			Player *myplayer = m_env.getLocalPlayer();
			assert(myplayer != NULL);

			// Send TOSERVER_INIT
			// [0] u16 TOSERVER_INIT
			// [2] u8 SER_FMT_VER_HIGHEST
			// [3] u8[20] player_name
			// [23] u8[28] password (new in some version)
			// [51] u16 client network protocol version (new in some version)
			SharedBuffer<u8> data(2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2);
			writeU16(&data[0], TOSERVER_INIT);
			writeU8(&data[2], SER_FMT_VER_HIGHEST);

			memset((char*)&data[3], 0, PLAYERNAME_SIZE);
			snprintf((char*)&data[3], PLAYERNAME_SIZE, "%s", myplayer->getName());

			/*infostream<<"Client: sending initial password hash: \""<<m_password<<"\""
					<<std::endl;*/

			memset((char*)&data[23], 0, PASSWORD_SIZE);
			snprintf((char*)&data[23], PASSWORD_SIZE, "%s", m_password.c_str());

			// This should be incremented in each version
			writeU16(&data[51], 3);

			// Send as unreliable
			Send(0, data, false);
		}

		// Not connected, return
		return;
	}

	/*
		Do stuff if connected
	*/

	/*
		Run Map's timers and unload unused data
	*/
	const float map_timer_and_unload_dtime = 5.25;
	if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
	{
		ScopeProfiler sp(g_profiler, "Client: map timer and unload");
		core::list<v3s16> deleted_blocks;
		m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
				g_settings->getFloat("client_unload_unused_data_timeout"),
				&deleted_blocks);

		/*if(deleted_blocks.size() > 0)
			infostream<<"Client: Unloaded "<<deleted_blocks.size()
					<<" unused blocks"<<std::endl;*/

		/*
			Send info to server
			NOTE: This loop is intentionally iterated the way it is.
		*/

		core::list<v3s16>::Iterator i = deleted_blocks.begin();
		core::list<v3s16> sendlist;
		for(;;)
		{
			if(sendlist.size() == 255 || i == deleted_blocks.end())
			{
				if(sendlist.size() == 0)
					break;
				/*
					[0] u16 command
					[2] u8 count
					[3] v3s16 pos_0
					[3+6] v3s16 pos_1
					...
				*/
				u32 replysize = 2+1+6*sendlist.size();
				SharedBuffer<u8> reply(replysize);
				writeU16(&reply[0], TOSERVER_DELETEDBLOCKS);
				reply[2] = sendlist.size();
				u32 k = 0;
				for(core::list<v3s16>::Iterator
						j = sendlist.begin();
						j != sendlist.end(); j++)
				{
					writeV3S16(&reply[2+1+6*k], *j);
					k++;
				}
				m_con.Send(PEER_ID_SERVER, 1, reply, true);

				if(i == deleted_blocks.end())
					break;

				sendlist.clear();
			}

			sendlist.push_back(*i);
			i++;
		}
	}

	/*
		Handle environment
	*/
	{
		// 0ms
		//JMutexAutoLock lock(m_env_mutex); //bulk comment-out

		// Control local player (0ms)
		LocalPlayer *player = m_env.getLocalPlayer();
		assert(player != NULL);
		player->applyControl(dtime);

		//TimeTaker envtimer("env step", m_device);
		// Step environment
		m_env.step(dtime);

		/*
			Get events
		*/
		for(;;)
		{
			ClientEnvEvent event = m_env.getClientEvent();
			if(event.type == CEE_NONE)
			{
				break;
			}
			else if(event.type == CEE_PLAYER_DAMAGE)
			{
				if(m_ignore_damage_timer <= 0)
				{
					u8 damage = event.player_damage.amount;
					sendDamage(damage);

					// Add to ClientEvent queue
					ClientEvent event;
					event.type = CE_PLAYER_DAMAGE;
					event.player_damage.amount = damage;
					m_client_event_queue.push_back(event);
				}
			}
		}
	}

	/*
		Print some info
	*/
	{
		float &counter = m_avg_rtt_timer;
		counter += dtime;
		if(counter >= 10)
		{
			counter = 0.0;
			//JMutexAutoLock lock(m_con_mutex); //bulk comment-out
			// connectedAndInitialized() is true, peer exists.
			float avg_rtt = m_con.GetPeerAvgRTT(PEER_ID_SERVER);
			infostream<<"Client: avg_rtt="<<avg_rtt<<std::endl;
		}
	}

	/*
		Send player position to server
	*/
	{
		float &counter = m_playerpos_send_timer;
		counter += dtime;
		if(counter >= 0.2)
		{
			counter = 0.0;
			sendPlayerPos();
		}
	}

	/*
		Replace updated meshes
	*/
	{
		//JMutexAutoLock lock(m_env_mutex); //bulk comment-out

		//TimeTaker timer("** Processing mesh update result queue");
		// 0ms

		/*infostream<<"Mesh update result queue size is "
				<<m_mesh_update_thread.m_queue_out.size()
				<<std::endl;*/

		while(m_mesh_update_thread.m_queue_out.size() > 0)
		{
			MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_front();
			MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
			if(block)
			{
				block->replaceMesh(r.mesh);
			}
			if(r.ack_block_to_server)
			{
				/*infostream<<"Client: ACK block ("<<r.p.X<<","<<r.p.Y
						<<","<<r.p.Z<<")"<<std::endl;*/
				/*
					Acknowledge block
				*/
				/*
					[0] u16 command
					[2] u8 count
					[3] v3s16 pos_0
					[3+6] v3s16 pos_1
					...
				*/
				u32 replysize = 2+1+6;
				SharedBuffer<u8> reply(replysize);
				writeU16(&reply[0], TOSERVER_GOTBLOCKS);
				reply[2] = 1;
				writeV3S16(&reply[3], r.p);
				// Send as reliable
				m_con.Send(PEER_ID_SERVER, 1, reply, true);
			}
		}
	}
}