void MapBlock::copyFrom(VoxelManipulator &dst)
{
auto lock = lock_unique_rec();
v3s16 data_size(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
VoxelArea data_area(v3s16(0,0,0), data_size - v3s16(1,1,1));
// Copy from VoxelManipulator to data
dst.copyTo(data, data_area, v3s16(0,0,0),
getPosRelative(), data_size);
}
void PlayerSAO::setAnimation(v2f frame_range, float frame_speed, float frame_blend, bool frame_loop)
{
auto lock = lock_unique_rec();
// store these so they can be updated to clients
m_animation_range = frame_range;
m_animation_speed = frame_speed;
m_animation_blend = frame_blend;
m_animation_loop = frame_loop;
m_animation_sent = false;
}
void PlayerSAO::moveTo(v3f pos, bool continuous)
{
if(isAttached())
return;
setBasePosition(pos);
{
auto lock = lock_unique_rec();
// Movement caused by this command is always valid
m_last_good_position = pos;
}
((Server*)m_env->getGameDef())->SendMovePlayer(m_peer_id);
}
void PlayerSAO::setAttachment(int parent_id, const std::string &bone, v3f position, v3f rotation)
{
auto lock = lock_unique_rec();
// Attachments need to be handled on both the server and client.
// If we just attach on the server, we can only copy the position of the parent. Attachments
// are still sent to clients at an interval so players might see them lagging, plus we can't
// read and attach to skeletal bones.
// If we just attach on the client, the server still sees the child at its original location.
// This breaks some things so we also give the server the most accurate representation
// even if players only see the client changes.
m_attachment_parent_id = parent_id;
m_attachment_bone = bone;
m_attachment_position = position;
m_attachment_rotation = rotation;
m_attachment_sent = false;
}
void Server::handleCommand_Drawcontrol(NetworkPacket* pkt) {
const auto peer_id = pkt->getPeerId();
auto & packet = *(pkt->packet);
auto player = m_env->getPlayer(pkt->getPeerId());
if (!player) {
m_con.DisconnectPeer(pkt->getPeerId());
return;
}
auto playersao = player->getPlayerSAO();
if (!playersao) {
m_con.DisconnectPeer(pkt->getPeerId());
return;
}
auto client = getClient(peer_id);
auto lock = client->lock_unique_rec();
client->wanted_range = packet[TOSERVER_DRAWCONTROL_WANTED_RANGE].as<u32>();
client->range_all = packet[TOSERVER_DRAWCONTROL_RANGE_ALL].as<u32>();
client->farmesh = packet[TOSERVER_DRAWCONTROL_FARMESH].as<u8>();
client->fov = packet[TOSERVER_DRAWCONTROL_FOV].as<f32>();
//client->block_overflow = packet[TOSERVER_DRAWCONTROL_BLOCK_OVERFLOW].as<bool>();
}
bool MapBlock::deSerialize(std::istream &is, u8 version, bool disk)
{
auto lock = lock_unique_rec();
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())<<std::endl);
m_day_night_differs_expired = false;
if(version <= 21)
{
deSerialize_pre22(is, version, disk);
return true;
}
u8 flags = readU8(is);
is_underground = (flags & 0x01) ? true : false;
m_day_night_differs = (flags & 0x02) ? true : false;
m_lighting_expired = (flags & 0x04) ? true : false;
m_generated = (flags & 0x08) ? false : true;
if (!m_generated) {
infostream<<"MapBlock::deSerialize(): deserialize not generated block "<<getPos()<<std::endl;
//if (disk) m_generated = false; else // uncomment if you want convert old buggy map
return false;
}
/*
Bulk node data
*/
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Bulk node data"<<std::endl);
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
u8 content_width = readU8(is);
u8 params_width = readU8(is);
if(content_width != 1 && content_width != 2)
throw SerializationError("MapBlock::deSerialize(): invalid content_width");
if(params_width != 2)
throw SerializationError("MapBlock::deSerialize(): invalid params_width");
MapNode::deSerializeBulk(is, version, data, nodecount,
content_width, params_width, true);
/*
NodeMetadata
*/
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Node metadata"<<std::endl);
// Ignore errors
try{
std::ostringstream oss(std::ios_base::binary);
decompressZlib(is, oss);
std::istringstream iss(oss.str(), std::ios_base::binary);
if(version >= 23)
m_node_metadata.deSerialize(iss, m_gamedef);
else
content_nodemeta_deserialize_legacy(iss,
&m_node_metadata, &m_node_timers,
m_gamedef);
}
catch(SerializationError &e)
{
errorstream<<"WARNING: MapBlock::deSerialize(): Ignoring an error"
<<" while deserializing node metadata at ("
<<PP(getPos())<<": "<<e.what()<<std::endl;
}
/*
Data that is only on disk
*/
if(disk)
{
// Node timers
if(version == 23){
// Read unused zero
readU8(is);
}
if(version == 24){
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Node timers (ver==24)"<<std::endl);
m_node_timers.deSerialize(is, version);
}
// Static objects
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Static objects"<<std::endl);
m_static_objects.deSerialize(is);
// Timestamp
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Timestamp"<<std::endl);
setTimestampNoChangedFlag(readU32(is));
m_disk_timestamp = m_timestamp;
m_changed_timestamp = (unsigned int)m_timestamp != BLOCK_TIMESTAMP_UNDEFINED ? (unsigned int)m_timestamp : 0;
// Dynamically re-set ids based on node names
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": NameIdMapping"<<std::endl);
NameIdMapping nimap;
nimap.deSerialize(is);
correctBlockNodeIds(&nimap, data, m_gamedef);
if(version >= 25){
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Node timers (ver>=25)"<<std::endl);
m_node_timers.deSerialize(is, version);
}
/*
Propagates sunlight down through the block.
Doesn't modify nodes that are not affected by sunlight.
Returns false if sunlight at bottom block is invalid.
Returns true if sunlight at bottom block is valid.
Returns true if bottom block doesn't exist.
If there is a block above, continues from it.
If there is no block above, assumes there is sunlight, unless
is_underground is set or highest node is water.
All sunlighted nodes are added to light_sources.
if remove_light==true, sets non-sunlighted nodes black.
if black_air_left!=NULL, it is set to true if non-sunlighted
air is left in block.
*/
bool MapBlock::propagateSunlight(std::set<v3s16> & light_sources,
bool remove_light, bool *black_air_left)
{
auto lock = lock_unique_rec();
INodeDefManager *nodemgr = m_gamedef->ndef();
// Whether the sunlight at the top of the bottom block is valid
bool block_below_is_valid = true;
v3s16 pos_relative = getPosRelative();
for(s16 x=0; x<MAP_BLOCKSIZE; x++)
{
for(s16 z=0; z<MAP_BLOCKSIZE; z++)
{
#if 1
bool no_sunlight = false;
//bool no_top_block = false;
// Check if node above block has sunlight
bool is_valid_position;
MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z),
&is_valid_position);
if (n)
{
if(n.getLight(LIGHTBANK_DAY, m_gamedef->ndef()) != LIGHT_SUN)
{
no_sunlight = true;
}
}
else
{
//no_top_block = true;
// NOTE: This makes over-ground roofed places sunlighted
// Assume sunlight, unless is_underground==true
if(is_underground)
{
no_sunlight = true;
}
else
{
MapNode n = getNodeNoEx(v3s16(x, MAP_BLOCKSIZE-1, z));
if(n && m_gamedef->ndef()->get(n).sunlight_propagates == false)
{
no_sunlight = true;
}
}
// NOTE: As of now, this just would make everything dark.
// No sunlight here
//no_sunlight = true;
}
#endif
#if 0 // Doesn't work; nothing gets light.
bool no_sunlight = true;
bool no_top_block = false;
// Check if node above block has sunlight
try{
MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z));
if(n.getLight(LIGHTBANK_DAY) == LIGHT_SUN)
{
no_sunlight = false;
}
}
catch(InvalidPositionException &e)
{
no_top_block = true;
}
#endif
/*std::cout<<"("<<x<<","<<z<<"): "
<<"no_top_block="<<no_top_block
<<", is_underground="<<is_underground
<<", no_sunlight="<<no_sunlight
<<std::endl;*/
s16 y = MAP_BLOCKSIZE-1;
// This makes difference to diminishing in water.
bool stopped_to_solid_object = false;
u8 current_light = no_sunlight ? 0 : LIGHT_SUN;
for(; y >= 0; y--)
{
v3s16 pos(x, y, z);
MapNode &n = getNodeRef(pos);
if(current_light == 0)
{
// Do nothing
}
else if(current_light == LIGHT_SUN && nodemgr->get(n).sunlight_propagates)
{
// Do nothing: Sunlight is continued
}
else if(nodemgr->get(n).light_propagates == false)
{
// A solid object is on the way.
stopped_to_solid_object = true;
// Light stops.
current_light = 0;
}
else
{
// Diminish light
current_light = diminish_light(current_light);
}
u8 old_light = n.getLight(LIGHTBANK_DAY, nodemgr);
if(current_light > old_light || remove_light)
{
n.setLight(LIGHTBANK_DAY, current_light, nodemgr);
}
if(diminish_light(current_light) != 0)
{
light_sources.insert(pos_relative + pos);
}
if(current_light == 0 && stopped_to_solid_object)
{
if(black_air_left)
{
*black_air_left = true;
}
}
}
// Whether or not the block below should see LIGHT_SUN
bool sunlight_should_go_down = (current_light == LIGHT_SUN);
/*
If the block below hasn't already been marked invalid:
Check if the node below the block has proper sunlight at top.
If not, the block below is invalid.
Ignore non-transparent nodes as they always have no light
*/
if(block_below_is_valid)
{
MapNode n = getNodeParent(v3s16(x, -1, z), &is_valid_position);
if (n) {
if(nodemgr->get(n).light_propagates)
{
if(n.getLight(LIGHTBANK_DAY, nodemgr) == LIGHT_SUN
&& sunlight_should_go_down == false)
block_below_is_valid = false;
else if(n.getLight(LIGHTBANK_DAY, nodemgr) != LIGHT_SUN
&& sunlight_should_go_down == true)
block_below_is_valid = false;
}
}
else
{
/*std::cout<<"InvalidBlockException for bottom block node"
<<std::endl;*/
// Just no block below, no need to panic.
}
}
}
}
return block_below_is_valid;
}
void LuaEntitySAO::setArmorGroups(const ItemGroupList &armor_groups)
{
auto lock = lock_unique_rec();
m_armor_groups = armor_groups;
m_armor_groups_sent = false;
}
//freeminer part:
void Player::addSpeed(v3f speed) {
auto lock = lock_unique_rec();
m_speed += speed;
}
void Server::ProcessData(NetworkPacket *pkt)
{
DSTACK(__FUNCTION_NAME);
// Environment is locked first.
//MutexAutoLock envlock(m_env_mutex);
ScopeProfiler sp(g_profiler, "Server::ProcessData");
auto peer_id = pkt->getPeerId();
std::string addr_s;
try{
Address address = getPeerAddress(peer_id);
addr_s = address.serializeString();
// drop player if is ip is banned
if(m_banmanager->isIpBanned(addr_s)){
std::string ban_name = m_banmanager->getBanName(addr_s);
infostream<<"Server: A banned client tried to connect from "
<<addr_s<<"; banned name was "
<<ban_name<<std::endl;
// This actually doesn't seem to transfer to the client
DenyAccess(peer_id, std::string("Your ip is banned. Banned name was ") + ban_name);
return;
}
}
catch(con::PeerNotFoundException &e)
{
/*
* no peer for this packet found
* most common reason is peer timeout, e.g. peer didn't
* respond for some time, your server was overloaded or
* things like that.
*/
verbosestream<<"Server::ProcessData(): Canceling: peer "
<<peer_id<<" not found"<<std::endl;
return;
}
try
{
auto datasize = pkt->getSize();
if(datasize < 2)
return;
int command;
MsgpackPacketSafe packet;
msgpack::unpacked msg;
if (!con::parse_msgpack_packet(pkt->getString(0), datasize, &packet, &command, &msg)) {
verbosestream<<"Server: Ignoring broken packet from " <<addr_s<<" (peer_id="<<peer_id<<") size="<<datasize<<std::endl;
return;
}
if(command == TOSERVER_INIT_LEGACY)
{
RemoteClient* client = getClient(peer_id, CS_Created);
// If net_proto_version is set, this client has already been handled
if(client->getState() > CS_Created)
{
verbosestream<<"Server: Ignoring multiple TOSERVER_INITs from "
<<addr_s<<" (peer_id="<<peer_id<<")"<<std::endl;
return;
}
verbosestream<<"Server: Got TOSERVER_INIT from "<<addr_s<<" (peer_id="
<<peer_id<<")"<<std::endl;
// Do not allow multiple players in simple singleplayer mode.
// This isn't a perfect way to do it, but will suffice for now
if(m_simple_singleplayer_mode && m_clients.getClientIDs().size() > 1){
infostream<<"Server: Not allowing another client ("<<addr_s
<<") to connect in simple singleplayer mode"<<std::endl;
DenyAccess(peer_id, "Running in simple singleplayer mode.");
return;
}
// First byte after command is maximum supported
// serialization version
u8 client_max;
packet[TOSERVER_INIT_LEGACY_FMT].convert(&client_max);
u8 our_max = SER_FMT_VER_HIGHEST_READ;
// Use the highest version supported by both
int deployed = std::min(client_max, our_max);
// If it's lower than the lowest supported, give up.
if (deployed < SER_FMT_VER_LOWEST_READ)
deployed = SER_FMT_VER_INVALID;
if (deployed == SER_FMT_VER_INVALID)
{
actionstream<<"Server: A mismatched client tried to connect from "
<<addr_s<<std::endl;
infostream<<"Server: Cannot negotiate serialization version with "
<<addr_s<<std::endl;
DenyAccess(peer_id, std::string(
"Your client's version is not supported.\n"
"Server version is ")
+ (g_version_string) + "."
);
return;
}
client->setPendingSerializationVersion(deployed);
/*
Read and check network protocol version
*/
u16 min_net_proto_version = 0;
packet[TOSERVER_INIT_LEGACY_PROTOCOL_VERSION_MIN].convert(&min_net_proto_version);
u16 max_net_proto_version = min_net_proto_version;
packet[TOSERVER_INIT_LEGACY_PROTOCOL_VERSION_MAX].convert(&max_net_proto_version);
packet.convert_safe(TOSERVER_INIT_LEGACY_PROTOCOL_VERSION_FM, &client->net_proto_version_fm);
// Start with client's maximum version
u16 net_proto_version = max_net_proto_version;
// Figure out a working version if it is possible at all
if(max_net_proto_version >= SERVER_PROTOCOL_VERSION_MIN ||
min_net_proto_version <= SERVER_PROTOCOL_VERSION_MAX)
{
// If maximum is larger than our maximum, go with our maximum
if(max_net_proto_version > SERVER_PROTOCOL_VERSION_MAX)
net_proto_version = SERVER_PROTOCOL_VERSION_MAX;
// Else go with client's maximum
else
net_proto_version = max_net_proto_version;
}
verbosestream<<"Server: "<<addr_s<<": Protocol version: min: "
<<min_net_proto_version<<", max: "<<max_net_proto_version
<<", chosen: "<<net_proto_version<<std::endl;
client->net_proto_version = net_proto_version;
if(net_proto_version < SERVER_PROTOCOL_VERSION_MIN ||
net_proto_version > SERVER_PROTOCOL_VERSION_MAX)
{
actionstream<<"Server: A mismatched client tried to connect from "
<<addr_s<<std::endl;
DenyAccess(peer_id, std::string(
"Your client's version is not supported.\n"
"Server version is ")
+ (g_version_string) + ",\n"
+ "server's PROTOCOL_VERSION is "
+ itos(SERVER_PROTOCOL_VERSION_MIN)
+ "..."
+ itos(SERVER_PROTOCOL_VERSION_MAX)
+ ", client's PROTOCOL_VERSION is "
+ itos(min_net_proto_version)
+ "..."
+ itos(max_net_proto_version)
);
return;
}
if(g_settings->getBool("strict_protocol_version_checking"))
{
if(net_proto_version != LATEST_PROTOCOL_VERSION)
{
actionstream<<"Server: A mismatched (strict) client tried to "
<<"connect from "<<addr_s<<std::endl;
DenyAccess(peer_id, std::string(
"Your client's version is not supported.\n"
"Server version is ")
+ (g_version_string) + ",\n"
+ "server's PROTOCOL_VERSION (strict) is "
+ itos(LATEST_PROTOCOL_VERSION)
+ ", client's PROTOCOL_VERSION is "
+ itos(min_net_proto_version)
+ "..."
+ itos(max_net_proto_version)
);
return;
}
}
/*
Set up player
*/
// Get player name
std::string playername;
packet[TOSERVER_INIT_LEGACY_NAME].convert(&playername);
if(playername.empty())
{
actionstream<<"Server: Player with an empty name "
<<"tried to connect from "<<addr_s<<std::endl;
DenyAccess(peer_id, "Empty name");
return;
}
if(!g_settings->getBool("enable_any_name") && string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
{
actionstream<<"Server: Player with an invalid name ["<<playername
<<"] tried to connect from "<<addr_s<<std::endl;
DenyAccess(peer_id, "Name contains unallowed characters");
return;
}
if(!isSingleplayer() && playername == "singleplayer")
{
actionstream<<"Server: Player with the name \"singleplayer\" "
<<"tried to connect from "<<addr_s<<std::endl;
DenyAccess(peer_id, "Name is not allowed");
return;
}
{
std::string reason;
if(m_script->on_prejoinplayer(playername, addr_s, &reason))
{
actionstream<<"Server: Player with the name \""<<playername<<"\" "
<<"tried to connect from "<<addr_s<<" "
<<"but it was disallowed for the following reason: "
<<reason<<std::endl;
DenyAccess(peer_id, reason);
return;
}
}
infostream<<"Server: New connection: \""<<playername<<"\" from "
<<addr_s<<" (peer_id="<<peer_id<<")"<<std::endl;
// Get password
std::string given_password;
packet[TOSERVER_INIT_LEGACY_PASSWORD].convert(&given_password);
if(!base64_is_valid(given_password.c_str())){
actionstream<<"Server: "<<playername
<<" supplied invalid password hash"<<std::endl;
DenyAccess(peer_id, "Invalid password hash");
return;
}
// Enforce user limit.
// Don't enforce for users that have some admin right
if(m_clients.getClientIDs(CS_Created).size() >= g_settings->getU16("max_users") &&
!checkPriv(playername, "server") &&
!checkPriv(playername, "ban") &&
!checkPriv(playername, "privs") &&
!checkPriv(playername, "password") &&
playername != g_settings->get("name"))
{
actionstream<<"Server: "<<playername<<" tried to join, but there"
<<" are already max_users="
<<g_settings->getU16("max_users")<<" players."<<std::endl;
DenyAccess(peer_id, "Too many users.");
return;
}
std::string checkpwd; // Password hash to check against
bool has_auth = m_script->getAuth(playername, &checkpwd, NULL);
// If no authentication info exists for user, create it
if(!has_auth){
if(!isSingleplayer() &&
g_settings->getBool("disallow_empty_password") &&
given_password == ""){
actionstream<<"Server: "<<playername
<<" supplied empty password"<<std::endl;
DenyAccess(peer_id, "Empty passwords are "
"disallowed. Set a password and try again.");
return;
}
std::string raw_default_password = g_settings->get("default_password");
std::string initial_password =
translatePassword(playername, raw_default_password);
// If default_password is empty, allow any initial password
if (raw_default_password.length() == 0)
initial_password = given_password;
m_script->createAuth(playername, initial_password);
}
has_auth = m_script->getAuth(playername, &checkpwd, NULL);
if(!has_auth){
actionstream<<"Server: "<<playername<<" cannot be authenticated"
<<" (auth handler does not work?)"<<std::endl;
DenyAccess(peer_id, "Not allowed to login");
return;
}
if(given_password != checkpwd){
actionstream<<"Server: "<<playername<<" supplied wrong password"
<<std::endl;
DenyAccess(peer_id, "Wrong password");
return;
}
RemotePlayer *player =
static_cast<RemotePlayer*>(m_env->getPlayer(playername.c_str()));
if(player && player->peer_id != 0){
errorstream<<"Server: "<<playername<<": Failed to emerge player"
<<" (player allocated to an another client)"<<std::endl;
DenyAccess(peer_id, "Another client is connected with this "
"name. If your client closed unexpectedly, try again in "
"a minute.");
}
m_clients.setPlayerName(peer_id,playername);
/*
Answer with a TOCLIENT_INIT
*/
{
MSGPACK_PACKET_INIT(TOCLIENT_INIT_LEGACY, 5);
PACK(TOCLIENT_INIT_DEPLOYED, deployed);
PACK(TOCLIENT_INIT_SEED, m_env->getServerMap().getSeed());
PACK(TOCLIENT_INIT_STEP, g_settings->getFloat("dedicated_server_step"));
//if (player) //todo : remake me
// PACK(TOCLIENT_INIT_POS, player->getPosition());
Settings params;
m_emerge->params.save(params);
PACK(TOCLIENT_INIT_MAP_PARAMS, params);
PACK(TOCLIENT_INIT_PROTOCOL_VERSION_FM, SERVER_PROTOCOL_VERSION_FM);
// Send as reliable
m_clients.send(peer_id, 0, buffer, true);
m_clients.event(peer_id, CSE_InitLegacy);
}
return;
}
if(command == TOSERVER_INIT2)
{
verbosestream<<"Server: Got TOSERVER_INIT2 from "
<<peer_id<<std::endl;
m_clients.event(peer_id, CSE_GotInit2);
u16 protocol_version = m_clients.getProtocolVersion(peer_id);
///// begin compatibility code
PlayerSAO* playersao = NULL;
if (protocol_version <= 22) {
playersao = StageTwoClientInit(peer_id);
if (playersao == NULL) {
errorstream
<< "TOSERVER_INIT2 stage 2 client init failed for peer "
<< peer_id << std::endl;
return;
}
}
///// end compatibility code
/*
Send some initialization data
*/
infostream<<"Server: Sending content to "
<<getPlayerName(peer_id)<<std::endl;
// Send player movement settings
SendMovement(peer_id);
// Send item definitions
SendItemDef(peer_id, m_itemdef, protocol_version);
// Send node definitions
SendNodeDef(peer_id, m_nodedef, protocol_version);
m_clients.event(peer_id, CSE_SetDefinitionsSent);
// Send media announcement
sendMediaAnnouncement(peer_id);
// Send detached inventories
sendDetachedInventories(peer_id);
// Send time of day
u16 time = m_env->getTimeOfDay();
float time_speed = g_settings->getFloat("time_speed");
SendTimeOfDay(peer_id, time, time_speed);
///// begin compatibility code
if (protocol_version <= 22) {
m_clients.event(peer_id, CSE_SetClientReady);
m_script->on_joinplayer(playersao);
}
///// end compatibility code
// Warnings about protocol version can be issued here
if(getClient(peer_id)->net_proto_version < LATEST_PROTOCOL_VERSION)
{
SendChatMessage(peer_id, "# Server: WARNING: YOUR CLIENT'S "
"VERSION MAY NOT BE FULLY COMPATIBLE WITH THIS SERVER!");
}
return;
}
u8 peer_ser_ver = getClient(peer_id, CS_InitDone)->serialization_version;
u16 peer_proto_ver = getClient(peer_id, CS_InitDone)->net_proto_version;
if(peer_ser_ver == SER_FMT_VER_INVALID)
{
errorstream<<"Server::ProcessData(): Canceling: Peer"
" serialization format invalid or not initialized."
" Skipping incoming command="<<command<<std::endl;
return;
}
/* Handle commands relate to client startup */
if(command == TOSERVER_REQUEST_MEDIA) {
std::vector<std::string> tosend;
packet[TOSERVER_REQUEST_MEDIA_FILES].convert(&tosend);
sendRequestedMedia(peer_id, tosend);
return;
}
else if(command == TOSERVER_RECEIVED_MEDIA) {
return;
}
else if(command == TOSERVER_CLIENT_READY) {
// clients <= protocol version 22 did not send ready message,
// they're already initialized
if (peer_proto_ver <= 22) {
infostream << "Client sent message not expected by a "
<< "client using protocol version <= 22,"
<< "disconnecting peer_id: " << peer_id << std::endl;
m_con.DisconnectPeer(peer_id);
return;
}
PlayerSAO* playersao = StageTwoClientInit(peer_id);
// If failed, cancel
if (playersao == NULL) {
errorstream
<< "TOSERVER_CLIENT_READY stage 2 client init failed for peer_id: "
<< peer_id << std::endl;
m_con.DisconnectPeer(peer_id);
return;
}
int version_patch = 0, version_tweak = 0;
packet.convert_safe(TOSERVER_CLIENT_READY_VERSION_PATCH, &version_patch);
packet.convert_safe(TOSERVER_CLIENT_READY_VERSION_TWEAK, &version_tweak);
if (version_tweak) {} //no warn todo remove
m_clients.setClientVersion(
peer_id,
packet[TOSERVER_CLIENT_READY_VERSION_MAJOR].as<int>(),
packet[TOSERVER_CLIENT_READY_VERSION_MINOR].as<int>(),
version_patch,
//version_tweak,
packet[TOSERVER_CLIENT_READY_VERSION_STRING].as<std::string>()
);
m_clients.event(peer_id, CSE_SetClientReady);
m_script->on_joinplayer(playersao);
stat.add("join", playersao->getPlayer()->getName());
}
if (m_clients.getClientState(peer_id) < CS_Active)
{
if (command == TOSERVER_PLAYERPOS) return;
errorstream<<"Got packet command: " << command << " for peer id "
<< peer_id << " but client isn't active yet. Dropping packet "
<<std::endl;
return;
}
Player *player = m_env->getPlayer(peer_id);
if(player == NULL) {
/*
verbosestream<<"Server::ProcessData(): Canceling: "
"No player for peer_id="<<peer_id
<< " disconnecting peer!" <<std::endl;
*/
m_con.DisconnectPeer(peer_id);
return;
}
PlayerSAO *playersao = player->getPlayerSAO();
if(playersao == NULL) {
errorstream<<"Server::ProcessData(): Canceling: "
"No player object for peer_id="<<peer_id
<< " disconnecting peer!" <<std::endl;
m_con.DisconnectPeer(peer_id);
return;
}
if(command == TOSERVER_PLAYERPOS)
{
// If player is dead we don't care of this packet
if (player->hp != 0 && playersao->m_ms_from_last_respawn > 1000)
player->setPosition(packet[TOSERVER_PLAYERPOS_POSITION].as<v3f>());
player->setSpeed(packet[TOSERVER_PLAYERPOS_SPEED].as<v3f>());
player->setPitch(modulo360f(packet[TOSERVER_PLAYERPOS_PITCH].as<f32>()));
player->setYaw(modulo360f(packet[TOSERVER_PLAYERPOS_YAW].as<f32>()));
u32 keyPressed = packet[TOSERVER_PLAYERPOS_KEY_PRESSED].as<u32>();
player->keyPressed = keyPressed;
{
std::lock_guard<std::mutex> lock(player->control_mutex);
player->control.up = (bool)(keyPressed&1);
player->control.down = (bool)(keyPressed&2);
player->control.left = (bool)(keyPressed&4);
player->control.right = (bool)(keyPressed&8);
player->control.jump = (bool)(keyPressed&16);
player->control.aux1 = (bool)(keyPressed&32);
player->control.sneak = (bool)(keyPressed&64);
player->control.LMB = (bool)(keyPressed&128);
player->control.RMB = (bool)(keyPressed&256);
}
auto old_pos = playersao->m_last_good_position;
if(playersao->checkMovementCheat()){
// Call callbacks
m_script->on_cheat(playersao, "moved_too_fast");
SendMovePlayer(peer_id);
}
else if (playersao->m_ms_from_last_respawn > 3000) {
auto dist = (old_pos/BS).getDistanceFrom(playersao->m_last_good_position/BS);
if (dist)
stat.add("move", playersao->getPlayer()->getName(), dist);
}
if (playersao->m_ms_from_last_respawn > 2000) {
auto obj = playersao; // copypasted from server step:
auto uptime = m_uptime.get();
if (!obj->m_uptime_last) // not very good place, but minimum modifications
obj->m_uptime_last = uptime - 0.1;
if (uptime - obj->m_uptime_last > 0.5) {
obj->step(uptime - obj->m_uptime_last, true); //todo: maybe limit count per time
obj->m_uptime_last = uptime;
}
}
/*infostream<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
<<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
<<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
}
else if(command == TOSERVER_DELETEDBLOCKS)
{
std::vector<v3s16> deleted_blocks;
packet[TOSERVER_DELETEDBLOCKS_DATA].convert(&deleted_blocks);
RemoteClient *client = getClient(peer_id);
for (auto &block : deleted_blocks)
client->SetBlockDeleted(block);
}
else if(command == TOSERVER_INVENTORY_ACTION)
{
std::string datastring;
packet[TOSERVER_INVENTORY_ACTION_DATA].convert(&datastring);
std::istringstream is(datastring, std::ios_base::binary);
// Create an action
InventoryAction *a = InventoryAction::deSerialize(is);
if(a == NULL)
{
infostream<<"TOSERVER_INVENTORY_ACTION: "
<<"InventoryAction::deSerialize() returned NULL"
<<std::endl;
return;
}
// If something goes wrong, this player is to blame
RollbackScopeActor rollback_scope(m_rollback,
std::string("player:")+player->getName());
/*
Note: Always set inventory not sent, to repair cases
where the client made a bad prediction.
*/
/*
Handle restrictions and special cases of the move action
*/
if(a->getType() == IACTION_MOVE)
{
IMoveAction *ma = (IMoveAction*)a;
ma->from_inv.applyCurrentPlayer(player->getName());
ma->to_inv.applyCurrentPlayer(player->getName());
setInventoryModified(ma->from_inv, false);
setInventoryModified(ma->to_inv, false);
bool from_inv_is_current_player =
(ma->from_inv.type == InventoryLocation::PLAYER) &&
(ma->from_inv.name == player->getName());
bool to_inv_is_current_player =
(ma->to_inv.type == InventoryLocation::PLAYER) &&
(ma->to_inv.name == player->getName());
/*
Disable moving items out of craftpreview
*/
if(ma->from_list == "craftpreview")
{
infostream<<"Ignoring IMoveAction from "
<<(ma->from_inv.dump())<<":"<<ma->from_list
<<" to "<<(ma->to_inv.dump())<<":"<<ma->to_list
<<" because src is "<<ma->from_list<<std::endl;
delete a;
return;
}
/*
Disable moving items into craftresult and craftpreview
*/
if(ma->to_list == "craftpreview" || ma->to_list == "craftresult")
{
infostream<<"Ignoring IMoveAction from "
<<(ma->from_inv.dump())<<":"<<ma->from_list
<<" to "<<(ma->to_inv.dump())<<":"<<ma->to_list
<<" because dst is "<<ma->to_list<<std::endl;
delete a;
return;
}
// Disallow moving items in elsewhere than player's inventory
// if not allowed to interact
if(!checkPriv(player->getName(), "interact") &&
(!from_inv_is_current_player ||
!to_inv_is_current_player))
{
infostream<<"Cannot move outside of player's inventory: "
<<"No interact privilege"<<std::endl;
delete a;
return;
}
}
/*
Handle restrictions and special cases of the drop action
*/
else if(a->getType() == IACTION_DROP)
{
IDropAction *da = (IDropAction*)a;
da->from_inv.applyCurrentPlayer(player->getName());
setInventoryModified(da->from_inv, false);
/*
Disable dropping items out of craftpreview
*/
if(da->from_list == "craftpreview")
{
infostream<<"Ignoring IDropAction from "
<<(da->from_inv.dump())<<":"<<da->from_list
<<" because src is "<<da->from_list<<std::endl;
delete a;
return;
}
// Disallow dropping items if not allowed to interact
if(!checkPriv(player->getName(), "interact"))
{
delete a;
return;
}
stat.add("drop", player->getName());
}
/*
Handle restrictions and special cases of the craft action
*/
else if(a->getType() == IACTION_CRAFT)
{
ICraftAction *ca = (ICraftAction*)a;
ca->craft_inv.applyCurrentPlayer(player->getName());
setInventoryModified(ca->craft_inv, false);
//bool craft_inv_is_current_player =
// (ca->craft_inv.type == InventoryLocation::PLAYER) &&
// (ca->craft_inv.name == player->getName());
// Disallow crafting if not allowed to interact
if(!checkPriv(player->getName(), "interact"))
{
infostream<<"Cannot craft: "
<<"No interact privilege"<<std::endl;
delete a;
return;
}
stat.add("craft", player->getName());
}
// Do the action
a->apply(this, playersao, this);
// Eat the action
delete a;
SendInventory(playersao);
}
else if(command == TOSERVER_CHAT_MESSAGE)
{
std::string message = packet[TOSERVER_CHAT_MESSAGE_DATA].as<std::string>();
// If something goes wrong, this player is to blame
RollbackScopeActor rollback_scope(m_rollback,
std::string("player:")+player->getName());
// Get player name of this client
std::string name = player->getName();
// Run script hook
bool ate = m_script->on_chat_message(player->getName(), message);
// If script ate the message, don't proceed
if(ate)
return;
// Line to send to players
std::string line;
// Whether to send to other players
bool send_to_others = false;
// Commands are implemented in Lua, so only catch invalid
// commands that were not "eaten" and send an error back
if(message[0] == '/')
{
message = message.substr(1);
if(message.length() == 0)
line += "-!- Empty command";
else
// TODO: str_split(message, ' ')[0]
line += "-!- Invalid command: " + message;
}
else
{
if(checkPriv(player->getName(), "shout")){
line += "<";
line += name;
line += "> ";
line += message;
send_to_others = true;
} else
line += "-!- You don't have permission to shout.";
}
if(!line.empty())
{
if(send_to_others) {
stat.add("chat", player->getName());
actionstream<<"CHAT: "<<line<<std::endl;
SendChatMessage(PEER_ID_INEXISTENT, line);
} else
SendChatMessage(peer_id, line);
}
}
else if(command == TOSERVER_DAMAGE)
{
u8 damage = packet[TOSERVER_DAMAGE_VALUE].as<u8>();
if(g_settings->getBool("enable_damage"))
{
actionstream<<player->getName()<<" damaged by "
<<(int)damage<<" hp at "<<PP(player->getPosition()/BS)
<<std::endl;
playersao->setHP(playersao->getHP() - damage);
SendPlayerHPOrDie(playersao);
stat.add("damage", player->getName(), damage);
}
}
else if(command == TOSERVER_BREATH)
{
/*
* If player is dead, we don't need to update the breath
* He is dead !
*/
if (!player->isDead()) {
playersao->setBreath(packet[TOSERVER_BREATH_VALUE].as<u16>());
SendPlayerBreath(peer_id);
}
}
else if(command == TOSERVER_CHANGE_PASSWORD)
{
std::string oldpwd, newpwd;
packet[TOSERVER_CHANGE_PASSWORD_OLD].convert(&oldpwd);
packet[TOSERVER_CHANGE_PASSWORD_NEW].convert(&newpwd);
if(!base64_is_valid(newpwd)){
infostream<<"Server: "<<player->getName()<<" supplied invalid password hash"<<std::endl;
// Wrong old password supplied!!
SendChatMessage(peer_id, "Invalid new password hash supplied. Password NOT changed.");
return;
}
infostream<<"Server: Client requests a password change from "
<<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
std::string playername = player->getName();
std::string checkpwd;
m_script->getAuth(playername, &checkpwd, NULL);
if(oldpwd != checkpwd)
{
infostream<<"Server: invalid old password"<<std::endl;
// Wrong old password supplied!!
SendChatMessage(peer_id, "Invalid old password supplied. Password NOT changed.");
return;
}
bool success = m_script->setPassword(playername, newpwd);
if(success){
actionstream<<player->getName()<<" changes password"<<std::endl;
SendChatMessage(peer_id, "Password change successful.");
} else {
actionstream<<player->getName()<<" tries to change password but "
<<"it fails"<<std::endl;
SendChatMessage(peer_id, "Password change failed or inavailable.");
}
}
else if(command == TOSERVER_PLAYERITEM)
{
u16 item = packet[TOSERVER_PLAYERITEM_VALUE].as<u16>();
playersao->setWieldIndex(item);
}
else if(command == TOSERVER_RESPAWN)
{
if(!player->isDead())
return;
RespawnPlayer(peer_id);
actionstream << player->getName() << " respawns at "
<< PP(player->getPosition()/BS) << std::endl;
// ActiveObject is added to environment in AsyncRunStep after
// the previous addition has been successfully removed
}
else if(command == TOSERVER_INTERACT)
{
u8 action;
u16 item_i;
PointedThing pointed;
packet[TOSERVER_INTERACT_ACTION].convert(&action);
packet[TOSERVER_INTERACT_ITEM].convert(&item_i);
packet[TOSERVER_INTERACT_POINTED_THING].convert(&pointed);
if(player->hp == 0)
{
verbosestream<<"TOSERVER_INTERACT: "<<player->getName()
<<" tried to interact, but is dead!"<<std::endl;
return;
}
#if !ENABLE_THREADS
auto lock = m_env->getMap().m_nothread_locker.lock_unique_rec();
#endif
v3f player_pos = playersao->getLastGoodPosition();
// Update wielded item
playersao->setWieldIndex(item_i);
// Get pointed to node (undefined if not POINTEDTYPE_NODE)
v3s16 p_under = pointed.node_undersurface;
v3s16 p_above = pointed.node_abovesurface;
// Get pointed to object (NULL if not POINTEDTYPE_OBJECT)
ServerActiveObject *pointed_object = NULL;
if(pointed.type == POINTEDTHING_OBJECT)
{
pointed_object = m_env->getActiveObject(pointed.object_id);
if(pointed_object == NULL)
{
verbosestream<<"TOSERVER_INTERACT: "
"pointed object is NULL"<<std::endl;
return;
}
}
v3f pointed_pos_under = player_pos;
v3f pointed_pos_above = player_pos;
if(pointed.type == POINTEDTHING_NODE)
{
pointed_pos_under = intToFloat(p_under, BS);
pointed_pos_above = intToFloat(p_above, BS);
}
else if(pointed.type == POINTEDTHING_OBJECT)
{
pointed_pos_under = pointed_object->getBasePosition();
pointed_pos_above = pointed_pos_under;
}
/*
Check that target is reasonably close
(only when digging or placing things)
*/
if(action == 0 || action == 2 || action == 3)
{
float d = player_pos.getDistanceFrom(pointed_pos_under);
float max_d = BS * 14; // Just some large enough value
if(d > max_d){
actionstream<<"Player "<<player->getName()
<<" tried to access "<<pointed.dump()
<<" from too far: "
<<"d="<<d<<", max_d="<<max_d
<<". ignoring."<<std::endl;
// Re-send block to revert change on client-side
RemoteClient *client = getClient(peer_id);
v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
client->SetBlockNotSent(blockpos);
// Call callbacks
m_script->on_cheat(playersao, "interacted_too_far");
// Do nothing else
return;
}
}
/*
Make sure the player is allowed to do it
*/
if(!checkPriv(player->getName(), "interact"))
{
actionstream<<player->getName()<<" attempted to interact with "
<<pointed.dump()<<" without 'interact' privilege"
<<std::endl;
// Re-send block to revert change on client-side
RemoteClient *client = getClient(peer_id);
// Digging completed -> under
if(action == 2){
v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
client->SetBlockNotSent(blockpos);
}
// Placement -> above
if(action == 3){
v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
client->SetBlockNotSent(blockpos);
}
stat.add("interact_denied", player->getName());
return;
}
/*
If something goes wrong, this player is to blame
*/
RollbackScopeActor rollback_scope(m_rollback,
std::string("player:")+player->getName());
/*
0: start digging or punch object
*/
if(action == 0)
{
if(pointed.type == POINTEDTHING_NODE)
{
/*
NOTE: This can be used in the future to check if
somebody is cheating, by checking the timing.
*/
MapNode n(CONTENT_IGNORE);
bool pos_ok;
n = m_env->getMap().getNodeNoEx(p_under, &pos_ok);
if (pos_ok)
n = m_env->getMap().getNodeNoEx(p_under, &pos_ok);
if (!pos_ok) {
infostream<<"Server: Not punching: Node not found."
<<" Adding block to emerge queue."
<<std::endl;
m_emerge->enqueueBlockEmerge(peer_id, getNodeBlockPos(p_above), false);
}
if(n.getContent() != CONTENT_IGNORE)
m_script->node_on_punch(p_under, n, playersao, pointed);
// Cheat prevention
playersao->noCheatDigStart(p_under);
}
else if(pointed.type == POINTEDTHING_OBJECT)
{
// Skip if object has been removed
if(pointed_object->m_removed)
return;
actionstream<<player->getName()<<" punches object "
<<pointed.object_id<<": "
<<pointed_object->getDescription()<<std::endl;
ItemStack punchitem = playersao->getWieldedItem();
ToolCapabilities toolcap =
punchitem.getToolCapabilities(m_itemdef);
v3f dir = (pointed_object->getBasePosition() -
(player->getPosition() + player->getEyeOffset())
).normalize();
float time_from_last_punch =
playersao->resetTimeFromLastPunch();
s16 src_original_hp = pointed_object->getHP();
s16 dst_origin_hp = playersao->getHP();
pointed_object->punch(dir, &toolcap, playersao,
time_from_last_punch);
// If the object is a player and its HP changed
if (src_original_hp != pointed_object->getHP() &&
pointed_object->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
SendPlayerHPOrDie(((PlayerSAO*)pointed_object));
}
// If the puncher is a player and its HP changed
if (dst_origin_hp != playersao->getHP()) {
SendPlayerHPOrDie(playersao);
}
stat.add("punch", player->getName());
}
} // action == 0
/*
1: stop digging
*/
else if(action == 1)
{
} // action == 1
/*
2: Digging completed
*/
else if(action == 2)
{
// Only digging of nodes
if(pointed.type == POINTEDTHING_NODE)
{
bool pos_ok;
MapNode n = m_env->getMap().getNodeNoEx(p_under, &pos_ok);
if (!pos_ok) {
infostream << "Server: Not finishing digging: Node not found."
<< " Adding block to emerge queue."
<< std::endl;
m_emerge->enqueueBlockEmerge(peer_id, getNodeBlockPos(p_above), false);
}
/* Cheat prevention */
bool is_valid_dig = true;
if(!isSingleplayer() && !g_settings->getBool("disable_anticheat"))
{
v3s16 nocheat_p = playersao->getNoCheatDigPos();
float nocheat_t = playersao->getNoCheatDigTime();
playersao->noCheatDigEnd();
// If player didn't start digging this, ignore dig
if(nocheat_p != p_under){
infostream<<"Server: NoCheat: "<<player->getName()
<<" started digging "
<<PP(nocheat_p)<<" and completed digging "
<<PP(p_under)<<"; not digging."<<std::endl;
is_valid_dig = false;
// Call callbacks
m_script->on_cheat(playersao, "finished_unknown_dig");
}
// Get player's wielded item
ItemStack playeritem;
InventoryList *mlist = playersao->getInventory()->getList("main");
if(mlist != NULL)
playeritem = mlist->getItem(playersao->getWieldIndex());
ToolCapabilities playeritem_toolcap =
playeritem.getToolCapabilities(m_itemdef);
// Get diggability and expected digging time
DigParams params = getDigParams(m_nodedef->get(n).groups,
&playeritem_toolcap);
// If can't dig, try hand
if(!params.diggable){
const ItemDefinition &hand = m_itemdef->get("");
const ToolCapabilities *tp = hand.tool_capabilities;
if(tp)
params = getDigParams(m_nodedef->get(n).groups, tp);
}
// If can't dig, ignore dig
if(!params.diggable){
infostream<<"Server: NoCheat: "<<player->getName()
<<" completed digging "<<PP(p_under)
<<", which is not diggable with tool. not digging."
<<std::endl;
is_valid_dig = false;
// Call callbacks
m_script->on_cheat(playersao, "dug_unbreakable");
}
// Check digging time
// If already invalidated, we don't have to
if(!is_valid_dig){
// Well not our problem then
}
// Clean and long dig
else if(params.time > 2.0 && nocheat_t * 1.2 > params.time){
// All is good, but grab time from pool; don't care if
// it's actually available
playersao->getDigPool().grab(params.time);
}
// Short or laggy dig
// Try getting the time from pool
else if(playersao->getDigPool().grab(params.time)){
// All is good
}
// Dig not possible
else{
infostream<<"Server: NoCheat: "<<player->getName()
<<" completed digging "<<PP(p_under)
<<"too fast; not digging."<<std::endl;
is_valid_dig = false;
// Call callbacks
m_script->on_cheat(playersao, "dug_too_fast");
}
}
/* Actually dig node */
if(is_valid_dig && n.getContent() != CONTENT_IGNORE)
{
m_script->node_on_dig(p_under, n, playersao);
stat.add("dig", player->getName());
stat.add("dig_"+ m_nodedef->get(n).name , player->getName());
}
v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
RemoteClient *client = getClient(peer_id);
// Send unusual result (that is, node not being removed)
if(m_env->getMap().getNodeNoEx(p_under).getContent() != CONTENT_AIR)
{
// Re-send block to revert change on client-side
client->SetBlockNotSent(blockpos);
}
else {
client->ResendBlockIfOnWire(blockpos);
}
}
} // action == 2
/*
3: place block or right-click object
*/
else if(action == 3)
{
ItemStack item = playersao->getWieldedItem();
// Reset build time counter
if(pointed.type == POINTEDTHING_NODE &&
item.getDefinition(m_itemdef).type == ITEM_NODE)
getClient(peer_id)->m_time_from_building = 0.0;
if(pointed.type == POINTEDTHING_OBJECT)
{
// Right click object
// Skip if object has been removed
if(pointed_object->m_removed)
return;
/* android bug - too many
actionstream<<player->getName()<<" right-clicks object "
<<pointed.object_id<<": "
<<pointed_object->getDescription()<<std::endl;
*/
// Do stuff
pointed_object->rightClick(playersao);
}
else if(m_script->item_OnPlace(
item, playersao, pointed))
{
// Placement was handled in lua
// Apply returned ItemStack
if (playersao->setWieldedItem(item)) {
SendInventory(playersao);
}
stat.add("place", player->getName());
//stat.add("place_" + item.name, player->getName());
}
// If item has node placement prediction, always send the
// blocks to make sure the client knows what exactly happened
RemoteClient *client = getClient(peer_id);
v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
v3s16 blockpos2 = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
if(item.getDefinition(m_itemdef).node_placement_prediction != "") {
client->SetBlockNotSent(blockpos);
if(blockpos2 != blockpos) {
client->SetBlockNotSent(blockpos2);
}
}
else {
client->ResendBlockIfOnWire(blockpos);
if(blockpos2 != blockpos) {
client->ResendBlockIfOnWire(blockpos2);
}
}
} // action == 3
/*
4: use
*/
else if(action == 4)
{
ItemStack item = playersao->getWieldedItem();
actionstream<<player->getName()<<" uses "<<item.name
<<", pointing at "<<pointed.dump()<<std::endl;
if(m_script->item_OnUse(
item, playersao, pointed))
{
// Apply returned ItemStack
if (playersao->setWieldedItem(item)) {
SendInventory(playersao);
}
stat.add("use", player->getName());
stat.add("use_" + item.name, player->getName());
}
} // action == 4
/*
Catch invalid actions
*/
else
{
infostream<<"WARNING: Server: Invalid action "
<<action<<std::endl;
}
}
else if(command == TOSERVER_REMOVED_SOUNDS)
{
std::vector<s32> removed_ids;
packet[TOSERVER_REMOVED_SOUNDS_IDS].convert(&removed_ids);
for (auto id : removed_ids) {
std::map<s32, ServerPlayingSound>::iterator i =
m_playing_sounds.find(id);
if(i == m_playing_sounds.end())
continue;
ServerPlayingSound &psound = i->second;
psound.clients.erase(peer_id);
if(psound.clients.empty())
m_playing_sounds.erase(i);
}
}
else if(command == TOSERVER_NODEMETA_FIELDS)
{
v3s16 p = packet[TOSERVER_NODEMETA_FIELDS_POS].as<v3s16>();
std::string formname = packet[TOSERVER_NODEMETA_FIELDS_FORMNAME].as<std::string>();
std::map<std::string, std::string> fields;
packet[TOSERVER_NODEMETA_FIELDS_DATA].convert(&fields);
// If something goes wrong, this player is to blame
RollbackScopeActor rollback_scope(m_rollback,
std::string("player:")+player->getName());
// Check the target node for rollback data; leave others unnoticed
RollbackNode rn_old(&m_env->getMap(), p, this);
m_script->node_on_receive_fields(p, formname, fields,playersao);
// Report rollback data
RollbackNode rn_new(&m_env->getMap(), p, this);
if(rollback() && rn_new != rn_old){
RollbackAction action;
action.setSetNode(p, rn_old, rn_new);
rollback()->reportAction(action);
}
}
else if(command == TOSERVER_INVENTORY_FIELDS)
{
std::string formname;
std::map<std::string, std::string> fields;
packet[TOSERVER_INVENTORY_FIELDS_FORMNAME].convert(&formname);
packet[TOSERVER_INVENTORY_FIELDS_DATA].convert(&fields);
m_script->on_playerReceiveFields(playersao, formname, fields);
}
else if(command == TOSERVER_DRAWCONTROL)
{
auto client = getClient(peer_id);
auto lock = client->lock_unique_rec();
client->wanted_range = packet[TOSERVER_DRAWCONTROL_WANTED_RANGE].as<u32>();
client->range_all = packet[TOSERVER_DRAWCONTROL_RANGE_ALL].as<u32>();
client->farmesh = packet[TOSERVER_DRAWCONTROL_FARMESH].as<u8>();
client->fov = packet[TOSERVER_DRAWCONTROL_FOV].as<f32>();
//client->block_overflow = packet[TOSERVER_DRAWCONTROL_BLOCK_OVERFLOW].as<bool>();
}
else
{
infostream<<"Server::ProcessData(): Ignoring "
"unknown command "<<command<<std::endl;
}
} //try
catch(SendFailedException &e)
{
errorstream<<"Server::ProcessData(): SendFailedException: "
<<"what="<<e.what()
<<std::endl;
}
}
int RemoteClient::GetNextBlocks (
ServerEnvironment *env,
EmergeManager * emerge,
float dtime,
double m_uptime,
std::vector<PrioritySortedBlockTransfer> &dest)
{
DSTACK(FUNCTION_NAME);
auto lock = lock_unique_rec();
if (!lock->owns_lock())
return 0;
// Increment timers
m_nothing_to_send_pause_timer -= dtime;
m_nearest_unsent_reset_timer += dtime;
m_time_from_building += dtime;
if (m_nearest_unsent_reset) {
m_nearest_unsent_reset = 0;
m_nearest_unsent_reset_timer = 999;
m_nothing_to_send_pause_timer = 0;
m_time_from_building = 999;
}
if(m_nothing_to_send_pause_timer >= 0)
return 0;
Player *player = env->getPlayer(peer_id);
// This can happen sometimes; clients and players are not in perfect sync.
if(player == NULL)
return 0;
v3f playerpos = player->getPosition();
v3f playerspeed = player->getSpeed();
if(playerspeed.getLength() > 1000.0*BS) //cheater or bug, ignore him
return 0;
v3f playerspeeddir(0,0,0);
if(playerspeed.getLength() > 1.0*BS)
playerspeeddir = playerspeed / playerspeed.getLength();
// Predict to next block
v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;
v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);
v3s16 center = getNodeBlockPos(center_nodepos);
// Camera position and direction
v3f camera_pos = player->getEyePosition();
v3f camera_dir = v3f(0,0,1);
camera_dir.rotateYZBy(player->getPitch());
camera_dir.rotateXZBy(player->getYaw());
//infostream<<"camera_dir=("<<camera_dir<<")"<< " camera_pos="<<camera_pos<<std::endl;
/*
Get the starting value of the block finder radius.
*/
if(m_last_center != center)
{
m_last_center = center;
m_nearest_unsent_reset_timer = 999;
}
if (m_last_direction.getDistanceFrom(camera_dir)>0.4) { // 1 = 90deg
m_last_direction = camera_dir;
m_nearest_unsent_reset_timer = 999;
}
/*infostream<<"m_nearest_unsent_reset_timer="
<<m_nearest_unsent_reset_timer<<std::endl;*/
// Reset periodically to workaround for some bugs or stuff
if(m_nearest_unsent_reset_timer > 120.0)
{
m_nearest_unsent_reset_timer = 0;
m_nearest_unsent_d = 0;
m_nearest_unsent_reset = 0;
//infostream<<"Resetting m_nearest_unsent_d for "<<peer_id<<std::endl;
}
//s16 last_nearest_unsent_d = m_nearest_unsent_d;
s16 d_start = m_nearest_unsent_d;
//infostream<<"d_start="<<d_start<<std::endl;
static const u16 max_simul_sends_setting = g_settings->getU16
("max_simultaneous_block_sends_per_client");
static const u16 max_simul_sends_usually = max_simul_sends_setting;
/*
Check the time from last addNode/removeNode.
Decrease send rate if player is building stuff.
*/
static const auto full_block_send_enable_min_time_from_building = g_settings->getFloat("full_block_send_enable_min_time_from_building");
if(m_time_from_building < full_block_send_enable_min_time_from_building)
{
/*
max_simul_sends_usually
= LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
*/
if(d_start<=1)
d_start=2;
m_nearest_unsent_reset_timer = 999; //magical number more than ^ other number 120 - need to reset d on next iteration
}
/*
Number of blocks sending + number of blocks selected for sending
*/
u32 num_blocks_selected = 0;
u32 num_blocks_sending = 0;
/*
next time d will be continued from the d from which the nearest
unsent block was found this time.
This is because not necessarily any of the blocks found this
time are actually sent.
*/
s32 new_nearest_unsent_d = -1;
static const auto max_block_send_distance = g_settings->getS16("max_block_send_distance");
s16 full_d_max = max_block_send_distance;
if (wanted_range) {
s16 wanted_blocks = wanted_range / MAP_BLOCKSIZE + 1;
if (wanted_blocks < full_d_max)
full_d_max = wanted_blocks;
}
s16 d_max = full_d_max;
static const s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
// Don't loop very much at a time
s16 max_d_increment_at_time = 10;
if(d_max > d_start + max_d_increment_at_time)
d_max = d_start + max_d_increment_at_time;
/*if(d_max_gen > d_start+2)
d_max_gen = d_start+2;*/
//infostream<<"Starting from "<<d_start<<std::endl;
s32 nearest_emerged_d = -1;
s32 nearest_emergefull_d = -1;
s32 nearest_sent_d = -1;
//bool queue_is_full = false;
f32 speed_in_blocks = (playerspeed/(MAP_BLOCKSIZE*BS)).getLength();
int blocks_occlusion_culled = 0;
static const bool server_occlusion = g_settings->getBool("server_occlusion");
bool occlusion_culling_enabled = server_occlusion;
auto cam_pos_nodes = floatToInt(playerpos, BS);
auto nodemgr = env->getGameDef()->getNodeDefManager();
MapNode n;
{
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
n = env->getMap().getNodeTry(cam_pos_nodes);
}
if(n && nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
unordered_map_v3POS<bool> occlude_cache;
s16 d;
for(d = d_start; d <= d_max; d++) {
/*errorstream<<"checking d="<<d<<" for "
<<server->getPlayerName(peer_id)<<std::endl;*/
//infostream<<"RemoteClient::SendBlocks(): d="<<d<<" d_start="<<d_start<<" d_max="<<d_max<<" d_max_gen="<<d_max_gen<<std::endl;
std::vector<v3POS> list;
if (d > 2 && d == d_start && m_nearest_unsent_reset_timer != 999) { // oops, again magic number from up ^
list.push_back(v3POS(0,0,0));
}
bool can_skip = d > 1;
// Fast fall/move optimize. speed_in_blocks now limited to 6.4
if (speed_in_blocks>0.8 && d <= 2) {
can_skip = false;
if (d == 0) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*2; ++addn)
list.push_back(floatToInt(playerspeeddir*addn, 1));
} else if (d == 1) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*1.5; ++addn) {
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 0, 0, 1)); // back
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, 0)); // left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, 0)); // right
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 0, 0, -1)); // front
}
} else if (d == 2) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*1.5; ++addn) {
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, 1)); // back left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, 1)); // left right
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, -1)); // right left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, -1)); // front right
}
}
} else {
/*
Get the border/face dot coordinates of a "d-radiused"
box
*/
list = FacePositionCache::getFacePositions(d);
}
for(auto li=list.begin(); li!=list.end(); ++li)
{
v3POS p = *li + center;
/*
Send throttling
- Don't allow too many simultaneous transfers
- EXCEPT when the blocks are very close
Also, don't send blocks that are already flying.
*/
// Start with the usual maximum
u16 max_simul_dynamic = max_simul_sends_usually;
// If block is very close, allow full maximum
if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
max_simul_dynamic = max_simul_sends_setting;
// Don't select too many blocks for sending
if (num_blocks_selected + num_blocks_sending >= max_simul_dynamic) {
//queue_is_full = true;
goto queue_full_break;
}
/*
Do not go over-limit
*/
if (blockpos_over_limit(p))
continue;
// If this is true, inexistent block will be made from scratch
bool generate = d <= d_max_gen;
{
/*// Limit the generating area vertically to 2/3
if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
generate = false;*/
/* maybe good idea (if not use block culling) but brokes far (25+) area generate by flooding emergequeue with no generate blocks
// Limit the send area vertically to 1/2
if(can_skip && abs(p.Y - center.Y) > full_d_max / 2)
generate = false;
*/
}
//infostream<<"d="<<d<<std::endl;
/*
Don't generate or send if not in sight
FIXME This only works if the client uses a small enough
FOV setting. The default of 72 degrees is fine.
*/
float camera_fov = ((fov+5)*M_PI/180) * 4./3.;
if(can_skip && isBlockInSight(p, camera_pos, camera_dir, camera_fov, 10000*BS) == false)
{
continue;
}
/*
Don't send already sent blocks
*/
unsigned int block_sent = 0;
{
auto lock = m_blocks_sent.lock_shared_rec();
block_sent = m_blocks_sent.find(p) != m_blocks_sent.end() ? m_blocks_sent.get(p) : 0;
}
if(block_sent > 0 && (/* (block_overflow && d>1) || */ block_sent + (d <= 2 ? 1 : d*d*d) > m_uptime)) {
continue;
}
/*
Check if map has this block
*/
MapBlock *block;
{
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
block = env->getMap().getBlockNoCreateNoEx(p);
}
bool surely_not_found_on_disk = false;
bool block_is_invalid = false;
if(block != NULL)
{
if (d > 3 && block->content_only == CONTENT_AIR) {
continue;
}
if (block_sent > 0 && block_sent >= block->m_changed_timestamp) {
continue;
}
if (occlusion_culling_enabled) {
ScopeProfiler sp(g_profiler, "SMap: Occusion calls");
//Occlusion culling
auto cpn = p*MAP_BLOCKSIZE;
// No occlusion culling when free_move is on and camera is
// inside ground
cpn += v3POS(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = 1;
float stepfac = 1.3;
float startoff = 5;
float endoff = -MAP_BLOCKSIZE;
v3POS spn = cam_pos_nodes + v3POS(0,0,0);
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
//VERY BAD COPYPASTE FROM clientmap.cpp!
if( d >= 1 &&
occlusion_culling_enabled &&
isOccluded(&env->getMap(), spn, cpn + v3POS(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache)
)
{
//infostream<<" occlusion player="<<cam_pos_nodes<<" d="<<d<<" block="<<cpn<<" total="<<blocks_occlusion_culled<<"/"<<num_blocks_selected<<std::endl;
g_profiler->add("SMap: Occlusion skip", 1);
blocks_occlusion_culled++;
continue;
}
}
// Reset usage timer, this block will be of use in the future.
block->resetUsageTimer();
if (block->getLightingExpired()) {
//env->getServerMap().lighting_modified_blocks.set(p, nullptr);
env->getServerMap().lighting_modified_add(p, d);
}
if (block->lighting_broken > 0 && (block_sent || d > 0))
continue;
// Block is valid if lighting is up-to-date and data exists
if(block->isValid() == false)
{
block_is_invalid = true;
}
if(block->isGenerated() == false)
{
continue;
}
/*
If block is not close, don't send it unless it is near
ground level.
Block is near ground level if night-time mesh
differs from day-time mesh.
*/
/*
if(d >= 4)
{
if(block->getDayNightDiff() == false)
continue;
}
*/
}
/*
If block has been marked to not exist on disk (dummy)
and generating new ones is not wanted, skip block.
*/
if(generate == false && surely_not_found_on_disk == true)
{
// get next one.
continue;
}
/*
Add inexistent block to emerge queue.
*/
if(block == NULL || surely_not_found_on_disk || block_is_invalid)
{
//infostream<<"start gen d="<<d<<" p="<<p<<" notfound="<<surely_not_found_on_disk<<" invalid="<< block_is_invalid<<" block="<<block<<" generate="<<generate<<std::endl;
if (emerge->enqueueBlockEmerge(peer_id, p, generate)) {
if (nearest_emerged_d == -1)
nearest_emerged_d = d;
} else {
if (nearest_emergefull_d == -1)
nearest_emergefull_d = d;
goto queue_full_break;
}
// get next one.
continue;
}
if(nearest_sent_d == -1)
nearest_sent_d = d;
/*
Add block to send queue
*/
PrioritySortedBlockTransfer q((float)d, p, peer_id);
dest.push_back(q);
num_blocks_selected += 1;
}
}
queue_full_break:
//infostream<<"Stopped at "<<d<<" d_start="<<d_start<< " d_max="<<d_max<<" nearest_emerged_d="<<nearest_emerged_d<<" nearest_emergefull_d="<<nearest_emergefull_d<< " new_nearest_unsent_d="<<new_nearest_unsent_d<< " sel="<<num_blocks_selected<< "+"<<num_blocks_sending << " culled=" << blocks_occlusion_culled <<" cEN="<<occlusion_culling_enabled<<std::endl;
num_blocks_selected += num_blocks_sending;
if(!num_blocks_selected && d_start <= d) {
//new_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 1.0;
}
// If nothing was found for sending and nothing was queued for
// emerging, continue next time browsing from here
if(nearest_emerged_d != -1){
new_nearest_unsent_d = nearest_emerged_d;
} else if(nearest_emergefull_d != -1){
new_nearest_unsent_d = nearest_emergefull_d;
} else {
if(d > full_d_max){
new_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 1.0;
} else {
if(nearest_sent_d != -1)
new_nearest_unsent_d = nearest_sent_d;
else
new_nearest_unsent_d = d;
}
}
if(new_nearest_unsent_d != -1)
m_nearest_unsent_d = new_nearest_unsent_d;
return num_blocks_selected - num_blocks_sending;
}
