void StaticObject::deSerialize(std::istream &is, u8 version)
{
char buf[12];
// type
is.read(buf, 1);
type = buf[0];
// pos
is.read(buf, 12);
v3s32 intp = readV3S32((u8*)buf);
pos.X = (f32)intp.X/1000;
pos.Y = (f32)intp.Y/1000;
pos.Z = (f32)intp.Z/1000;
// data
data = deSerializeString(is);
}
void TestSerialization::testStreamRead()
{
std::string datastr(
(const char *)test_serialized_data,
sizeof(test_serialized_data));
std::istringstream is(datastr, std::ios_base::binary);
UASSERT(readU8(is) == 0x11);
UASSERT(readU16(is) == 0x2233);
UASSERT(readU32(is) == 0x44556677);
UASSERT(readU64(is) == 0x8899AABBCCDDEEFF);
UASSERT(readS8(is) == -128);
UASSERT(readS16(is) == 30000);
UASSERT(readS32(is) == -6);
UASSERT(readS64(is) == -43);
UASSERT(readF1000(is) == 53.534f);
UASSERT(readF1000(is) == -300000.32f);
UASSERT(readF1000(is) == F1000_MIN);
UASSERT(readF1000(is) == F1000_MAX);
UASSERT(deSerializeString(is) == "foobar!");
UASSERT(readV2S16(is) == v2s16(500, 500));
UASSERT(readV3S16(is) == v3s16(4207, 604, -30));
UASSERT(readV2S32(is) == v2s32(1920, 1080));
UASSERT(readV3S32(is) == v3s32(-400, 6400054, 290549855));
UASSERT(readV2F1000(is) == v2f(500.656f, 350.345f));
UASSERT(deSerializeWideString(is) == L"\x02~woof~\x5455");
UASSERT(readV3F1000(is) == v3f(500, 10024.2f, -192.54f));
UASSERT(readARGB8(is) == video::SColor(255, 128, 50, 128));
UASSERT(deSerializeLongString(is) == "some longer string here");
UASSERT(is.rdbuf()->in_avail() == 2);
UASSERT(readU16(is) == 0xF00D);
UASSERT(is.rdbuf()->in_avail() == 0);
}
/*
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;
}
}
