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a55850e4dc
minetest/src/client.cpp
Perttu Ahola a55850e4dc fixed crack animation timing in client
2010-12-23 12:10:46 +02:00

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/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "client.h"
#include "utility.h"
#include <iostream>
#include "clientserver.h"
#include "jmutexautolock.h"
#include "main.h"
#include <sstream>
#include "porting.h"
void * ClientUpdateThread::Thread()
{
ThreadStarted();
DSTACK(__FUNCTION_NAME);
#if CATCH_UNHANDLED_EXCEPTIONS
try
{
#endif
while(getRun())
{
m_client->asyncStep();
//m_client->updateSomeExpiredMeshes();
bool was = m_client->AsyncProcessData();
if(was == false)
sleep_ms(10);
}
#if CATCH_UNHANDLED_EXCEPTIONS
}
/*
This is what has to be done in threads to get suitable debug info
*/
catch(std::exception &e)
{
dstream<<std::endl<<DTIME<<"An unhandled exception occurred: "
<<e.what()<<std::endl;
assert(0);
}
#endif
return NULL;
}
Client::Client(
IrrlichtDevice *device,
const char *playername,
JMutex &range_mutex,
s16 &viewing_range_nodes,
bool &viewing_range_all):
m_thread(this),
m_env(new ClientMap(this,
range_mutex,
viewing_range_nodes,
viewing_range_all,
device->getSceneManager()->getRootSceneNode(),
device->getSceneManager(), 666),
dout_client),
m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
m_device(device),
camera_position(0,0,0),
camera_direction(0,0,1),
m_server_ser_ver(SER_FMT_VER_INVALID),
m_step_dtime(0.0),
m_inventory_updated(false),
m_time_of_day(0)
{
m_packetcounter_timer = 0.0;
m_delete_unused_sectors_timer = 0.0;
m_connection_reinit_timer = 0.0;
m_avg_rtt_timer = 0.0;
m_playerpos_send_timer = 0.0;
//m_fetchblock_mutex.Init();
m_incoming_queue_mutex.Init();
m_env_mutex.Init();
m_con_mutex.Init();
m_step_dtime_mutex.Init();
m_thread.Start();
{
JMutexAutoLock envlock(m_env_mutex);
//m_env.getMap().StartUpdater();
Player *player = new LocalPlayer();
player->updateName(playername);
/*f32 y = BS*2 + BS*20;
player->setPosition(v3f(0, y, 0));*/
//player->setPosition(v3f(0, y, 30900*BS)); // DEBUG
m_env.addPlayer(player);
}
}
Client::~Client()
{
m_thread.setRun(false);
while(m_thread.IsRunning())
sleep_ms(100);
}
void Client::connect(Address address)
{
DSTACK(__FUNCTION_NAME);
JMutexAutoLock lock(m_con_mutex);
m_con.setTimeoutMs(0);
m_con.Connect(address);
}
bool Client::connectedAndInitialized()
{
JMutexAutoLock lock(m_con_mutex);
if(m_con.Connected() == false)
return false;
if(m_server_ser_ver == SER_FMT_VER_INVALID)
return false;
return true;
}
void Client::step(float dtime)
{
DSTACK(__FUNCTION_NAME);
// Limit a bit
if(dtime > 2.0)
dtime = 2.0;
/*
Day/night
*/
{
s32 d = 8;
s32 t = (((m_time_of_day.get() + 24000/d/2)%24000)/(24000/d));
s32 dn = 0;
if(t == d/4 || t == (d-d/4))
dn = 1;
else if(t < d/4 || t > (d-d/4))
dn = 2;
else
dn = 0;
u32 dr = 1000;
if(dn == 0)
dr = 1000;
if(dn == 1)
dr = 600;
if(dn == 2)
dr = 300;
if(dr != m_env.getDayNightRatio())
{
//dstream<<"dr="<<dr<<std::endl;
dout_client<<DTIME<<"Client: changing day-night ratio"<<std::endl;
m_env.setDayNightRatio(dr);
m_env.expireMeshes(true);
}
}
//dstream<<"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);
m_con.RunTimeouts(dtime);
}
/*
Packet counter
*/
{
float &counter = m_packetcounter_timer;
counter -= dtime;
if(counter <= 0.0)
{
counter = 20.0;
dout_client<<"Client packetcounter (20s):"<<std::endl;
m_packetcounter.print(dout_client);
m_packetcounter.clear();
}
}
{
/*
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);
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().deleteUnusedSectors
(delete_unused_sectors_timeout,
true, &deleted_blocks);*/
// Delete whole sectors
u32 num = m_env.getMap().deleteUnusedSectors
(delete_unused_sectors_timeout,
false, &deleted_blocks);
if(num > 0)
{
/*dstream<<DTIME<<"Client: Deleted blocks of "<<num
<<" unused sectors"<<std::endl;*/
dstream<<DTIME<<"Client: Deleted "<<num
<<" unused sectors"<<std::endl;
/*
Send info to server
*/
// Env is locked so con can be locked.
JMutexAutoLock lock(m_con_mutex);
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++;
}
}
}
}
bool connected = connectedAndInitialized();
if(connected == false)
{
float &counter = m_connection_reinit_timer;
counter -= dtime;
if(counter <= 0.0)
{
counter = 2.0;
JMutexAutoLock envlock(m_env_mutex);
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
SharedBuffer<u8> data(2+1+20);
writeU16(&data[0], TOSERVER_INIT);
writeU8(&data[2], SER_FMT_VER_HIGHEST);
memcpy(&data[3], myplayer->getName(), 20);
// Send as unreliable
Send(0, data, false);
}
// Not connected, return
return;
}
/*
Do stuff if connected
*/
{
// 0ms
JMutexAutoLock lock(m_env_mutex);
// 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);
// Step active blocks
for(core::map<v3s16, bool>::Iterator
i = m_active_blocks.getIterator();
i.atEnd() == false; i++)
{
v3s16 p = i.getNode()->getKey();
MapBlock *block = NULL;
try
{
block = m_env.getMap().getBlockNoCreate(p);
block->stepObjects(dtime, false, m_env.getDayNightRatio());
}
catch(InvalidPositionException &e)
{
}
}
}
{
float &counter = m_avg_rtt_timer;
counter += dtime;
if(counter >= 10)
{
counter = 0.0;
JMutexAutoLock lock(m_con_mutex);
// connectedAndInitialized() is true, peer exists.
con::Peer *peer = m_con.GetPeer(PEER_ID_SERVER);
dstream<<DTIME<<"Client: avg_rtt="<<peer->avg_rtt<<std::endl;
}
}
{
float &counter = m_playerpos_send_timer;
counter += dtime;
if(counter >= 0.2)
{
counter = 0.0;
sendPlayerPos();
}
}
/*{
JMutexAutoLock lock(m_step_dtime_mutex);
m_step_dtime += dtime;
}*/
}
float Client::asyncStep()
{
DSTACK(__FUNCTION_NAME);
//dstream<<"Client::asyncStep()"<<std::endl;
/*float dtime;
{
JMutexAutoLock lock1(m_step_dtime_mutex);
if(m_step_dtime < 0.001)
return 0.0;
dtime = m_step_dtime;
m_step_dtime = 0.0;
}
return dtime;*/
return 0.0;
}
// Virtual methods from con::PeerHandler
void Client::peerAdded(con::Peer *peer)
{
derr_client<<"Client::peerAdded(): peer->id="
<<peer->id<<std::endl;
}
void Client::deletingPeer(con::Peer *peer, bool timeout)
{
derr_client<<"Client::deletingPeer(): "
"Server Peer is getting deleted "
<<"(timeout="<<timeout<<")"<<std::endl;
}
void Client::ReceiveAll()
{
DSTACK(__FUNCTION_NAME);
for(;;)
{
try{
Receive();
}
catch(con::NoIncomingDataException &e)
{
break;
}
catch(con::InvalidIncomingDataException &e)
{
dout_client<<DTIME<<"Client::ReceiveAll(): "
"InvalidIncomingDataException: what()="
<<e.what()<<std::endl;
}
//TODO: Testing
//break;
}
}
void Client::Receive()
{
DSTACK(__FUNCTION_NAME);
u32 data_maxsize = 10000;
Buffer<u8> data(data_maxsize);
u16 sender_peer_id;
u32 datasize;
{
//TimeTaker t1("con mutex and receive", m_device);
JMutexAutoLock lock(m_con_mutex);
datasize = m_con.Receive(sender_peer_id, *data, data_maxsize);
}
//TimeTaker t1("ProcessData", m_device);
ProcessData(*data, datasize, sender_peer_id);
}
/*
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]);
//dstream<<"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)
{
dout_client<<DTIME<<"Client::ProcessData(): Discarding data not "
"coming from server: peer_id="<<sender_peer_id
<<std::endl;
return;
}
con::Peer *peer;
{
JMutexAutoLock lock(m_con_mutex);
// All data is coming from the server
// PeerNotFoundException is handled by caller.
peer = m_con.GetPeer(PEER_ID_SERVER);
}
u8 ser_version = m_server_ser_ver;
//dstream<<"Client received command="<<(int)command<<std::endl;
// Execute fast commands straight away
if(command == TOCLIENT_INIT)
{
if(datasize < 3)
return;
u8 deployed = data[2];
dout_client<<DTIME<<"Client: TOCLIENT_INIT received with "
"deployed="<<((int)deployed&0xff)<<std::endl;
if(deployed < SER_FMT_VER_LOWEST
|| deployed > SER_FMT_VER_HIGHEST)
{
derr_client<<DTIME<<"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) - v3f(0, BS/2, 0);
{ //envlock
JMutexAutoLock envlock(m_env_mutex);
// Set player position
Player *player = m_env.getLocalPlayer();
assert(player != NULL);
player->setPosition(playerpos_f);
}
// 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(ser_version == SER_FMT_VER_INVALID)
{
dout_client<<DTIME<<"WARNING: 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_PLAYERPOS)
{
dstream<<"WARNING: Received deprecated TOCLIENT_PLAYERPOS"
<<std::endl;
/*u16 our_peer_id;
{
JMutexAutoLock lock(m_con_mutex);
our_peer_id = m_con.GetPeerID();
}
// Cancel if we don't have a peer id
if(our_peer_id == PEER_ID_NEW){
dout_client<<DTIME<<"TOCLIENT_PLAYERPOS cancelled: "
"we have no peer id"
<<std::endl;
return;
}*/
{ //envlock
JMutexAutoLock envlock(m_env_mutex);
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]);
/*dstream<<"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);
/*dstream<<"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);
our_peer_id = m_con.GetPeerID();
}
// Cancel if we don't have a peer id
if(our_peer_id == PEER_ID_NEW){
dout_client<<DTIME<<"TOCLIENT_PLAYERINFO cancelled: "
"we have no peer id"
<<std::endl;
return;
}
//dstream<<DTIME<<"Client: Server reports players:"<<std::endl;
{ //envlock
JMutexAutoLock envlock(m_env_mutex);
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);
/*dstream<<DTIME<<"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);
dout_client<<DTIME<<"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.
*/
//dstream<<DTIME<<"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)
{
dstream<<DTIME<<"WARNING: 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;
}
}
/*dstream<<DTIME<<"peer_id="<<((*ip)->peer_id)
<<" is_alive="<<is_alive<<std::endl;*/
if(is_alive)
continue;
dstream<<DTIME<<"Removing dead player "<<(*ip)->peer_id
<<std::endl;
m_env.removePlayer((*ip)->peer_id);
}
} //envlock
}
else if(command == TOCLIENT_SECTORMETA)
{
/*
[0] u16 command
[2] u8 sector count
[3...] v2s16 pos + sector metadata
*/
if(datasize < 3)
return;
//dstream<<"Client received TOCLIENT_SECTORMETA"<<std::endl;
{ //envlock
JMutexAutoLock envlock(m_env_mutex);
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);
//dstream<<"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);
/*dstream<<"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
}
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);
//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(dstream);
//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;
//dstream<<"Client got player inventory:"<<std::endl;
//player->inventory.print(dstream);
}
}
//DEBUG
else if(command == TOCLIENT_OBJECTDATA)
//else if(0)
{
// Strip command word and create a stringstream
std::string datastring((char*)&data[2], datasize-2);
std::istringstream is(datastring, std::ios_base::binary);
{ //envlock
JMutexAutoLock envlock(m_env_mutex);
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
*/
// Read active block count
is.read((char*)buf, 2);
u16 blockcount = readU16(buf);
// Initialize delete queue with all active blocks
core::map<v3s16, bool> abs_to_delete;
for(core::map<v3s16, bool>::Iterator
i = m_active_blocks.getIterator();
i.atEnd() == false; i++)
{
v3s16 p = i.getNode()->getKey();
/*dstream<<"adding "
<<"("<<p.x<<","<<p.y<<","<<p.z<<") "
<<" to abs_to_delete"
<<std::endl;*/
abs_to_delete.insert(p, true);
}
/*dstream<<"Initial delete queue size: "<<abs_to_delete.size()
<<std::endl;*/
for(u16 i=0; i<blockcount; i++)
{
// Read blockpos
is.read((char*)buf, 6);
v3s16 p = readV3S16(buf);
// Get block from somewhere
MapBlock *block = NULL;
try{
block = m_env.getMap().getBlockNoCreate(p);
}
catch(InvalidPositionException &e)
{
//TODO: Create a dummy block?
}
if(block == NULL)
{
dstream<<"WARNING: "
<<"Could not get block at blockpos "
<<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
<<"in TOCLIENT_OBJECTDATA. Ignoring "
<<"following block object data."
<<std::endl;
return;
}
/*dstream<<"Client updating objects for block "
<<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
<<std::endl;*/
// Insert to active block list
m_active_blocks.insert(p, true);
// Remove from deletion queue
if(abs_to_delete.find(p) != NULL)
abs_to_delete.remove(p);
/*
Update objects of block
NOTE: Be sure this is done in the main thread.
*/
block->updateObjects(is, m_server_ser_ver,
m_device->getSceneManager(), m_env.getDayNightRatio());
}
/*dstream<<"Final delete queue size: "<<abs_to_delete.size()
<<std::endl;*/
// Delete objects of blocks in delete queue
for(core::map<v3s16, bool>::Iterator
i = abs_to_delete.getIterator();
i.atEnd() == false; i++)
{
v3s16 p = i.getNode()->getKey();
try
{
MapBlock *block = m_env.getMap().getBlockNoCreate(p);
// Clear objects
block->clearObjects();
// Remove from active blocks list
m_active_blocks.remove(p);
}
catch(InvalidPositionException &e)
{
dstream<<"WARNAING: Client: "
<<"Couldn't clear objects of active->inactive"
<<" block "
<<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
<<" because block was not found"
<<std::endl;
// Ignore
}
}
} //envlock
}
else if(command == TOCLIENT_TIME_OF_DAY)
{
if(datasize < 4)
return;
u16 time = readU16(&data[2]);
time = time % 24000;
m_time_of_day.set(time);
//dstream<<"Client: time="<<time<<std::endl;
}
// Default to queueing it (for slow commands)
else
{
JMutexAutoLock lock(m_incoming_queue_mutex);
IncomingPacket packet(data, datasize);
m_incoming_queue.push_back(packet);
}
}
/*
Returns true if there was something in queue
*/
bool Client::AsyncProcessPacket(LazyMeshUpdater &mesh_updater)
{
DSTACK(__FUNCTION_NAME);
try //for catching con::PeerNotFoundException
{
con::Peer *peer;
{
JMutexAutoLock lock(m_con_mutex);
// All data is coming from the server
peer = m_con.GetPeer(PEER_ID_SERVER);
}
u8 ser_version = m_server_ser_ver;
IncomingPacket packet = getPacket();
u8 *data = packet.m_data;
u32 datasize = packet.m_datalen;
// An empty packet means queue is empty
if(data == NULL){
return false;
}
if(datasize < 2)
return true;
ToClientCommand command = (ToClientCommand)readU16(&data[0]);
if(command == TOCLIENT_REMOVENODE)
{
if(datasize < 8)
return true;
v3s16 p;
p.X = readS16(&data[2]);
p.Y = readS16(&data[4]);
p.Z = readS16(&data[6]);
//TimeTaker t1("TOCLIENT_REMOVENODE", g_device);
// This will clear the cracking animation after digging
((ClientMap&)m_env.getMap()).clearTempMod(p);
core::map<v3s16, MapBlock*> modified_blocks;
try
{
JMutexAutoLock envlock(m_env_mutex);
//TimeTaker t("removeNodeAndUpdate", m_device);
m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
}
catch(InvalidPositionException &e)
{
}
for(core::map<v3s16, MapBlock * >::Iterator
i = modified_blocks.getIterator();
i.atEnd() == false; i++)
{
v3s16 p = i.getNode()->getKey();
//m_env.getMap().updateMeshes(p);
mesh_updater.add(p);
}
}
else if(command == TOCLIENT_ADDNODE)
{
if(datasize < 8 + MapNode::serializedLength(ser_version))
return true;
v3s16 p;
p.X = readS16(&data[2]);
p.Y = readS16(&data[4]);
p.Z = readS16(&data[6]);
//TimeTaker t1("TOCLIENT_ADDNODE", g_device);
MapNode n;
n.deSerialize(&data[8], ser_version);
core::map<v3s16, MapBlock*> modified_blocks;
try
{
JMutexAutoLock envlock(m_env_mutex);
m_env.getMap().addNodeAndUpdate(p, n, modified_blocks);
}
catch(InvalidPositionException &e)
{}
for(core::map<v3s16, MapBlock * >::Iterator
i = modified_blocks.getIterator();
i.atEnd() == false; i++)
{
v3s16 p = i.getNode()->getKey();
//m_env.getMap().updateMeshes(p);
mesh_updater.add(p);
}
}
else if(command == TOCLIENT_BLOCKDATA)
{
// Ignore too small packet
if(datasize < 8)
return true;
/*if(datasize < 8 + MapBlock::serializedLength(ser_version))
goto getdata;*/
v3s16 p;
p.X = readS16(&data[2]);
p.Y = readS16(&data[4]);
p.Z = readS16(&data[6]);
/*dout_client<<DTIME<<"Client: Thread: BLOCKDATA for ("
<<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
/*dstream<<DTIME<<"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;
{ //envlock
JMutexAutoLock envlock(m_env_mutex);
v2s16 p2d(p.X, p.Z);
sector = m_env.getMap().emergeSector(p2d);
v2s16 sp = sector->getPos();
if(sp != p2d)
{
dstream<<"ERROR: Got sector with getPos()="
<<"("<<sp.X<<","<<sp.Y<<"), tried to get"
<<"("<<p2d.X<<","<<p2d.Y<<")"<<std::endl;
}
assert(sp == p2d);
//assert(sector->getPos() == p2d);
try{
block = sector->getBlockNoCreate(p.Y);
/*
Update an existing block
*/
//dstream<<"Updating"<<std::endl;
block->deSerialize(istr, ser_version);
//block->setChangedFlag();
}
catch(InvalidPositionException &e)
{
/*
Create a new block
*/
//dstream<<"Creating new"<<std::endl;
block = new MapBlock(&m_env.getMap(), p);
block->deSerialize(istr, ser_version);
sector->insertBlock(block);
//block->setChangedFlag();
//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);*/
/*
Add some coulds
Well, this is a dumb way to do it, they should just
be drawn as separate objects.
*/
/*if(p.Y == 3)
{
NodeMod mod;
mod.type = NODEMOD_CHANGECONTENT;
mod.param = CONTENT_CLOUD;
v3s16 p2;
p2.Y = 8;
for(p2.X=3; p2.X<=13; p2.X++)
for(p2.Z=3; p2.Z<=13; p2.Z++)
{
block->setTempMod(p2, mod);
}
}*/
}
} //envlock
// Old version has zero lighting, update it.
if(ser_version == 0 || ser_version == 1)
{
derr_client<<"Client: Block in old format: "
"Calculating lighting"<<std::endl;
core::map<v3s16, MapBlock*> blocks_changed;
blocks_changed.insert(block->getPos(), block);
core::map<v3s16, MapBlock*> modified_blocks;
m_env.getMap().updateLighting(blocks_changed, modified_blocks);
}
/*
Update Mesh of this block and blocks at x-, y- and z-
*/
//m_env.getMap().updateMeshes(block->getPos());
mesh_updater.add(block->getPos());
/*
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);
#if 0
/*
Remove from history
*/
{
JMutexAutoLock lock(m_fetchblock_mutex);
if(m_fetchblock_history.find(p) != NULL)
{
m_fetchblock_history.remove(p);
}
else
{
/*
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
}
else
{
dout_client<<DTIME<<"WARNING: Client: Ignoring unknown command "
<<command<<std::endl;
}
return true;
} //try
catch(con::PeerNotFoundException &e)
{
dout_client<<DTIME<<"Client::AsyncProcessData(): Cancelling: The server"
" connection doesn't exist (a timeout or not yet connected?)"<<std::endl;
return false;
}
}
bool Client::AsyncProcessData()
{
for(;;)
{
// We want to update the meshes as soon as a single packet has
// been processed
LazyMeshUpdater mesh_updater(&m_env);
bool r = AsyncProcessPacket(mesh_updater);
if(r == false)
break;
}
return false;
/*LazyMeshUpdater mesh_updater(&m_env);
for(;;)
{
bool r = AsyncProcessPacket(mesh_updater);
if(r == false)
break;
}
return false;*/
}
void Client::Send(u16 channelnum, SharedBuffer<u8> data, bool reliable)
{
JMutexAutoLock lock(m_con_mutex);
m_con.Send(PEER_ID_SERVER, channelnum, data, reliable);
}
#if 0
void Client::fetchBlock(v3s16 p, u8 flags)
{
if(connectedAndInitialized() == false)
throw ClientNotReadyException
("ClientNotReadyException: connectedAndInitialized() == false");
/*dstream<<"Client::fetchBlock(): Sending GETBLOCK for ("
<<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
JMutexAutoLock conlock(m_con_mutex);
SharedBuffer<u8> data(9);
writeU16(&data[0], TOSERVER_GETBLOCK);
writeS16(&data[2], p.X);
writeS16(&data[4], p.Y);
writeS16(&data[6], p.Z);
writeU8(&data[8], flags);
m_con.Send(PEER_ID_SERVER, 1, data, true);
}
/*
Calls fetchBlock() on some nearby missing blocks.
Returns when any of various network load indicators go over limit.
Does nearly the same thing as the old updateChangedVisibleArea()
*/
void Client::fetchBlocks()
{
if(connectedAndInitialized() == false)
throw ClientNotReadyException
("ClientNotReadyException: connectedAndInitialized() == false");
}
#endif
bool Client::isFetchingBlocks()
{
JMutexAutoLock conlock(m_con_mutex);
con::Peer *peer = m_con.GetPeerNoEx(PEER_ID_SERVER);
// Not really fetching but can't fetch more.
if(peer == NULL) return true;
con::Channel *channel = &(peer->channels[1]);
/*
NOTE: Channel 0 should always be used for fetching blocks,
and for nothing else.
*/
if(channel->incoming_reliables.size() > 0)
return true;
if(channel->outgoing_reliables.size() > 0)
return true;
return false;
}
IncomingPacket Client::getPacket()
{
JMutexAutoLock lock(m_incoming_queue_mutex);
core::list<IncomingPacket>::Iterator i;
// Refer to first one
i = m_incoming_queue.begin();
// If queue is empty, return empty packet
if(i == m_incoming_queue.end()){
IncomingPacket packet;
return packet;
}
// Pop out first packet and return it
IncomingPacket packet = *i;
m_incoming_queue.erase(i);
return packet;
}
#if 0
void Client::removeNode(v3s16 nodepos)
{
if(connectedAndInitialized() == false){
dout_client<<DTIME<<"Client::removeNode() cancelled (not connected)"
<<std::endl;
return;
}
// Test that the position exists
try{
JMutexAutoLock envlock(m_env_mutex);
m_env.getMap().getNode(nodepos);
}
catch(InvalidPositionException &e)
{
dout_client<<DTIME<<"Client::removeNode() cancelled (doesn't exist)"
<<std::endl;
return;
}
SharedBuffer<u8> data(8);
writeU16(&data[0], TOSERVER_REMOVENODE);
writeS16(&data[2], nodepos.X);
writeS16(&data[4], nodepos.Y);
writeS16(&data[6], nodepos.Z);
Send(0, data, true);
}
void Client::addNodeFromInventory(v3s16 nodepos, u16 i)
{
if(connectedAndInitialized() == false){
dout_client<<DTIME<<"Client::addNodeFromInventory() "
"cancelled (not connected)"
<<std::endl;
return;
}
// Test that the position exists
try{
JMutexAutoLock envlock(m_env_mutex);
m_env.getMap().getNode(nodepos);
}
catch(InvalidPositionException &e)
{
dout_client<<DTIME<<"Client::addNode() cancelled (doesn't exist)"
<<std::endl;
return;
}
//u8 ser_version = m_server_ser_ver;
// SUGGESTION: The validity of the operation could be checked here too
u8 datasize = 2 + 6 + 2;
SharedBuffer<u8> data(datasize);
writeU16(&data[0], TOSERVER_ADDNODE_FROM_INVENTORY);
writeS16(&data[2], nodepos.X);
writeS16(&data[4], nodepos.Y);
writeS16(&data[6], nodepos.Z);
writeU16(&data[8], i);
Send(0, data, true);
}
#endif
void Client::groundAction(u8 action, v3s16 nodepos_undersurface,
v3s16 nodepos_oversurface, u16 item)
{
if(connectedAndInitialized() == false){
dout_client<<DTIME<<"Client::groundAction() "
"cancelled (not connected)"
<<std::endl;
return;
}
/*
length: 17
[0] u16 command
[2] u8 action
[3] v3s16 nodepos_undersurface
[9] v3s16 nodepos_abovesurface
[15] u16 item
actions:
0: start digging
1: place block
2: stop digging (all parameters ignored)
*/
u8 datasize = 2 + 1 + 6 + 6 + 2;
SharedBuffer<u8> data(datasize);
writeU16(&data[0], TOSERVER_GROUND_ACTION);
writeU8(&data[2], action);
writeV3S16(&data[3], nodepos_undersurface);
writeV3S16(&data[9], nodepos_oversurface);
writeU16(&data[15], item);
Send(0, data, true);
}
void Client::clickObject(u8 button, v3s16 blockpos, s16 id, u16 item)
{
if(connectedAndInitialized() == false){
dout_client<<DTIME<<"Client::clickObject() "
"cancelled (not connected)"
<<std::endl;
return;
}
/*
[0] u16 command
[2] u8 button (0=left, 1=right)
[3] v3s16 block
[9] s16 id
[11] u16 item
*/
u8 datasize = 2 + 1 + 6 + 2 + 2;
SharedBuffer<u8> data(datasize);
writeU16(&data[0], TOSERVER_CLICK_OBJECT);
writeU8(&data[2], button);
writeV3S16(&data[3], blockpos);
writeS16(&data[9], id);
writeU16(&data[11], item);
Send(0, data, true);
}
void Client::sendSignText(v3s16 blockpos, s16 id, std::string text)
{
/*
u16 command
v3s16 blockpos
s16 id
u16 textlen
textdata
*/
std::ostringstream os(std::ios_base::binary);
u8 buf[12];
// Write command
writeU16(buf, TOSERVER_SIGNTEXT);
os.write((char*)buf, 2);
// Write blockpos
writeV3S16(buf, blockpos);
os.write((char*)buf, 6);
// Write id
writeS16(buf, id);
os.write((char*)buf, 2);
u16 textlen = text.size();
// Write text length
writeS16(buf, textlen);
os.write((char*)buf, 2);
// Write text
os.write((char*)text.c_str(), textlen);
// Make data buffer
std::string s = os.str();
SharedBuffer<u8> data((u8*)s.c_str(), s.size());
// Send as reliable
Send(0, data, true);
}
void Client::sendInventoryAction(InventoryAction *a)
{
std::ostringstream os(std::ios_base::binary);
u8 buf[12];
// Write command
writeU16(buf, TOSERVER_INVENTORY_ACTION);
os.write((char*)buf, 2);
a->serialize(os);
// Make data buffer
std::string s = os.str();
SharedBuffer<u8> data((u8*)s.c_str(), s.size());
// Send as reliable
Send(0, data, true);
}
void Client::sendPlayerPos()
{
JMutexAutoLock envlock(m_env_mutex);
Player *myplayer = m_env.getLocalPlayer();
if(myplayer == NULL)
return;
u16 our_peer_id;
{
JMutexAutoLock lock(m_con_mutex);
our_peer_id = m_con.GetPeerID();
}
// Set peer id if not set already
if(myplayer->peer_id == PEER_ID_NEW)
myplayer->peer_id = our_peer_id;
// Check that an existing peer_id is the same as the connection's
assert(myplayer->peer_id == our_peer_id);
v3f pf = myplayer->getPosition();
v3s32 position(pf.X*100, pf.Y*100, pf.Z*100);
v3f sf = myplayer->getSpeed();
v3s32 speed(sf.X*100, sf.Y*100, sf.Z*100);
s32 pitch = myplayer->getPitch() * 100;
s32 yaw = myplayer->getYaw() * 100;
/*
Format:
[0] u16 command
[2] v3s32 position*100
[2+12] v3s32 speed*100
[2+12+12] s32 pitch*100
[2+12+12+4] s32 yaw*100
*/
SharedBuffer<u8> data(2+12+12+4+4);
writeU16(&data[0], TOSERVER_PLAYERPOS);
writeV3S32(&data[2], position);
writeV3S32(&data[2+12], speed);
writeS32(&data[2+12+12], pitch);
writeS32(&data[2+12+12+4], yaw);
// Send as unreliable
Send(0, data, false);
}
void Client::updateCamera(v3f pos, v3f dir)
{
m_env.getMap().updateCamera(pos, dir);
camera_position = pos;
camera_direction = dir;
}
MapNode Client::getNode(v3s16 p)
{
JMutexAutoLock envlock(m_env_mutex);
return m_env.getMap().getNode(p);
}
/*void Client::getNode(v3s16 p, MapNode n)
{
JMutexAutoLock envlock(m_env_mutex);
m_env.getMap().setNode(p, n);
}*/
/*f32 Client::getGroundHeight(v2s16 p)
{
JMutexAutoLock envlock(m_env_mutex);
return m_env.getMap().getGroundHeight(p);
}*/
/*bool Client::isNodeUnderground(v3s16 p)
{
JMutexAutoLock envlock(m_env_mutex);
return m_env.getMap().isNodeUnderground(p);
}*/
/*Player * Client::getLocalPlayer()
{
JMutexAutoLock envlock(m_env_mutex);
return m_env.getLocalPlayer();
}*/
/*core::list<Player*> Client::getPlayers()
{
JMutexAutoLock envlock(m_env_mutex);
return m_env.getPlayers();
}*/
v3f Client::getPlayerPosition()
{
JMutexAutoLock envlock(m_env_mutex);
LocalPlayer *player = m_env.getLocalPlayer();
assert(player != NULL);
return player->getPosition();
}
void Client::setPlayerControl(PlayerControl &control)
{
JMutexAutoLock envlock(m_env_mutex);
LocalPlayer *player = m_env.getLocalPlayer();
assert(player != NULL);
player->control = control;
}
// Returns true if the inventory of the local player has been
// updated from the server. If it is true, it is set to false.
bool Client::getLocalInventoryUpdated()
{
// m_inventory_updated is behind envlock
JMutexAutoLock envlock(m_env_mutex);
bool updated = m_inventory_updated;
m_inventory_updated = false;
return updated;
}
// Copies the inventory of the local player to parameter
void Client::getLocalInventory(Inventory &dst)
{
JMutexAutoLock envlock(m_env_mutex);
Player *player = m_env.getLocalPlayer();
assert(player != NULL);
dst = player->inventory;
}
MapBlockObject * Client::getSelectedObject(
f32 max_d,
v3f from_pos_f_on_map,
core::line3d<f32> shootline_on_map
)
{
JMutexAutoLock envlock(m_env_mutex);
core::array<DistanceSortedObject> objects;
for(core::map<v3s16, bool>::Iterator
i = m_active_blocks.getIterator();
i.atEnd() == false; i++)
{
v3s16 p = i.getNode()->getKey();
MapBlock *block = NULL;
try
{
block = m_env.getMap().getBlockNoCreate(p);
}
catch(InvalidPositionException &e)
{
continue;
}
// Calculate from_pos relative to block
v3s16 block_pos_i_on_map = block->getPosRelative();
v3f block_pos_f_on_map = intToFloat(block_pos_i_on_map);
v3f from_pos_f_on_block = from_pos_f_on_map - block_pos_f_on_map;
block->getObjects(from_pos_f_on_block, max_d, objects);
//block->getPseudoObjects(from_pos_f_on_block, max_d, objects);
}
//dstream<<"Collected "<<objects.size()<<" nearby objects"<<std::endl;
// Sort them.
// After this, the closest object is the first in the array.
objects.sort();
for(u32 i=0; i<objects.size(); i++)
{
MapBlockObject *obj = objects[i].obj;
MapBlock *block = obj->getBlock();
// Calculate shootline relative to block
v3s16 block_pos_i_on_map = block->getPosRelative();
v3f block_pos_f_on_map = intToFloat(block_pos_i_on_map);
core::line3d<f32> shootline_on_block(
shootline_on_map.start - block_pos_f_on_map,
shootline_on_map.end - block_pos_f_on_map
);
if(obj->isSelected(shootline_on_block))
{
//dstream<<"Returning selected object"<<std::endl;
return obj;
}
}
//dstream<<"No object selected; returning NULL."<<std::endl;
return NULL;
}
void Client::printDebugInfo(std::ostream &os)
{
//JMutexAutoLock lock1(m_fetchblock_mutex);
JMutexAutoLock lock2(m_incoming_queue_mutex);
os<<"m_incoming_queue.getSize()="<<m_incoming_queue.getSize()
//<<", m_fetchblock_history.size()="<<m_fetchblock_history.size()
//<<", m_opt_not_found_history.size()="<<m_opt_not_found_history.size()
<<std::endl;
}
/*s32 Client::getDayNightIndex()
{
assert(m_daynight_i >= 0 && m_daynight_i < DAYNIGHT_CACHE_COUNT);
return m_daynight_i;
}*/
u32 Client::getDayNightRatio()
{
JMutexAutoLock envlock(m_env_mutex);
return m_env.getDayNightRatio();
}
/*void Client::updateSomeExpiredMeshes()
{
TimeTaker timer("updateSomeExpiredMeshes()", g_device);
Player *player;
{
JMutexAutoLock envlock(m_env_mutex);
player = m_env.getLocalPlayer();
}
u32 daynight_ratio = getDayNightRatio();
v3f playerpos = player->getPosition();
v3f playerspeed = player->getSpeed();
v3s16 center_nodepos = floatToInt(playerpos);
v3s16 center = getNodeBlockPos(center_nodepos);
u32 counter = 0;
s16 d_max = 5;
for(s16 d = 0; d <= d_max; d++)
{
core::list<v3s16> list;
getFacePositions(list, d);
core::list<v3s16>::Iterator li;
for(li=list.begin(); li!=list.end(); li++)
{
v3s16 p = *li + center;
MapBlock *block = NULL;
try
{
//JMutexAutoLock envlock(m_env_mutex);
block = m_env.getMap().getBlockNoCreate(p);
}
catch(InvalidPositionException &e)
{
}
if(block == NULL)
continue;
if(block->getMeshExpired() == false)
continue;
block->updateMesh(daynight_ratio);
counter++;
if(counter >= 5)
return;
}
}
}*/
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