#include "serverenvironment.h"
#include "map.h"
#include "emerge.h"
-#include "content_sao.h" // TODO this is used for cleanup of only
+#include "server/luaentity_sao.h"
+#include "server/player_sao.h"
#include "log.h"
#include "util/srp.h"
#include "face_position_cache.h"
int id;
std::string bone;
v3f dummy;
- sao->getAttachment(&id, &bone, &dummy, &dummy);
+ bool force_visible;
+ sao->getAttachment(&id, &bone, &dummy, &dummy, &force_visible);
ServerActiveObject *ao = env->getActiveObject(id);
while (id && ao) {
- ao->getAttachment(&id, &bone, &dummy, &dummy);
+ ao->getAttachment(&id, &bone, &dummy, &dummy, &force_visible);
if (id)
ao = env->getActiveObject(id);
}
{
// Increment timers
m_nothing_to_send_pause_timer -= dtime;
- m_nearest_unsent_reset_timer += dtime;
if (m_nothing_to_send_pause_timer >= 0)
return;
// Camera position and direction
v3f camera_pos = sao->getEyePosition();
v3f camera_dir = v3f(0,0,1);
- camera_dir.rotateYZBy(sao->getPitch());
- camera_dir.rotateXZBy(sao->getYaw());
-
- /*infostream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
- <<camera_dir.Z<<")"<<std::endl;*/
-
- /*
- Get the starting value of the block finder radius.
- */
-
- if (m_last_center != center) {
- m_nearest_unsent_d = 0;
- m_last_center = center;
- }
-
- /*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 > 20.0f) {
- m_nearest_unsent_reset_timer = 0.0f;
- m_nearest_unsent_d = 0;
- //infostream<<"Resetting m_nearest_unsent_d for "
- // <<server->getPlayerName(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;
+ camera_dir.rotateYZBy(sao->getLookPitch());
+ camera_dir.rotateXZBy(sao->getRotation().Y);
u16 max_simul_sends_usually = m_max_simul_sends;
*/
s32 new_nearest_unsent_d = -1;
- // get view range and camera fov from the client
+ // Get view range and camera fov (radians) from the client
s16 wanted_range = sao->getWantedRange() + 1;
float camera_fov = sao->getFov();
- const s16 full_d_max = std::min(adjustDist(m_max_send_distance, camera_fov), wanted_range);
- const s16 d_opt = std::min(adjustDist(m_block_optimize_distance, camera_fov), wanted_range);
+ /*
+ Get the starting value of the block finder radius.
+ */
+ if (m_last_center != center) {
+ m_nearest_unsent_d = 0;
+ m_last_center = center;
+ }
+ // reset the unsent distance if the view angle has changed more that 10% of the fov
+ // (this matches isBlockInSight which allows for an extra 10%)
+ if (camera_dir.dotProduct(m_last_camera_dir) < std::cos(camera_fov * 0.1f)) {
+ m_nearest_unsent_d = 0;
+ m_last_camera_dir = camera_dir;
+ }
+ if (m_nearest_unsent_d > 0) {
+ // make sure any blocks modified since the last time we sent blocks are resent
+ for (const v3s16 &p : m_blocks_modified) {
+ m_nearest_unsent_d = std::min(m_nearest_unsent_d, center.getDistanceFrom(p));
+ }
+ }
+ m_blocks_modified.clear();
+
+ s16 d_start = m_nearest_unsent_d;
+
+ // Distrust client-sent FOV and get server-set player object property
+ // zoom FOV (degrees) as a check to avoid hacked clients using FOV to load
+ // distant world.
+ // (zoom is disabled by value 0)
+ float prop_zoom_fov = sao->getZoomFOV() < 0.001f ?
+ 0.0f :
+ std::max(camera_fov, sao->getZoomFOV() * core::DEGTORAD);
+
+ const s16 full_d_max = std::min(adjustDist(m_max_send_distance, prop_zoom_fov),
+ wanted_range);
+ const s16 d_opt = std::min(adjustDist(m_block_optimize_distance, prop_zoom_fov),
+ wanted_range);
const s16 d_blocks_in_sight = full_d_max * BS * MAP_BLOCKSIZE;
- //infostream << "Fov from client " << camera_fov << " full_d_max " << full_d_max << std::endl;
+
+ s16 d_max_gen = std::min(adjustDist(m_max_gen_distance, prop_zoom_fov),
+ wanted_range);
s16 d_max = full_d_max;
- s16 d_max_gen = std::min(adjustDist(m_max_gen_distance, camera_fov), wanted_range);
- // Don't loop very much at a time, adjust with distance,
- // do more work per RTT with greater distances.
- s16 max_d_increment_at_time = full_d_max / 9 + 1;
+ // Don't loop very much at a time
+ s16 max_d_increment_at_time = 2;
if (d_max > d_start + max_d_increment_at_time)
d_max = d_start + max_d_increment_at_time;
continue;
}
- /*
- Don't send already sent blocks
- */
- if (m_blocks_sent.find(p) != m_blocks_sent.end())
- continue;
-
/*
Check if map has this block
*/
MapBlock *block = env->getMap().getBlockNoCreateNoEx(p);
-
- bool surely_not_found_on_disk = false;
- bool block_is_invalid = false;
if (block) {
- // Reset usage timer, this block will be of use in the future.
+ // First: Reset usage timer, this block will be of use in the future.
block->resetUsageTimer();
+ }
- // Block is dummy if data doesn't exist.
- // It means it has been not found from disk and not generated
- if (block->isDummy()) {
- surely_not_found_on_disk = true;
- }
+ /*
+ Don't send already sent blocks
+ */
+ if (m_blocks_sent.find(p) != m_blocks_sent.end())
+ continue;
+ bool block_not_found = false;
+ if (block) {
+ // Check whether the block exists (with data)
if (!block->isGenerated())
- block_is_invalid = true;
+ block_not_found = true;
/*
If block is not close, don't send it unless it is near
differs from day-time mesh.
*/
if (d >= d_opt) {
- if (!block->getDayNightDiff())
+ if (!block->getIsUnderground() && !block->getDayNightDiff())
continue;
}
- if (m_occ_cull && !block_is_invalid &&
+ if (m_occ_cull && !block_not_found &&
env->getMap().isBlockOccluded(block, cam_pos_nodes)) {
continue;
}
}
/*
- If block has been marked to not exist on disk (dummy)
- and generating new ones is not wanted, skip block.
+ If block has been marked to not exist on disk (dummy) or is
+ not generated and generating new ones is not wanted, skip block.
*/
- if (!generate && surely_not_found_on_disk) {
+ if (!generate && block_not_found) {
// get next one.
continue;
}
/*
Add inexistent block to emerge queue.
*/
- if (block == NULL || surely_not_found_on_disk || block_is_invalid) {
+ if (block == NULL || block_not_found) {
if (emerge->enqueueBlockEmerge(peer_id, p, generate)) {
if (nearest_emerged_d == -1)
nearest_emerged_d = d;
void RemoteClient::GotBlock(v3s16 p)
{
- if (m_blocks_modified.find(p) == m_blocks_modified.end()) {
- if (m_blocks_sending.find(p) != m_blocks_sending.end())
- m_blocks_sending.erase(p);
- else
- m_excess_gotblocks++;
-
+ if (m_blocks_sending.find(p) != m_blocks_sending.end()) {
+ m_blocks_sending.erase(p);
+ // only add to sent blocks if it actually was sending
+ // (it might have been modified since)
m_blocks_sent.insert(p);
+ } else {
+ m_excess_gotblocks++;
}
}
void RemoteClient::SentBlock(v3s16 p)
{
- if (m_blocks_modified.find(p) != m_blocks_modified.end())
- m_blocks_modified.erase(p);
-
if (m_blocks_sending.find(p) == m_blocks_sending.end())
m_blocks_sending[p] = 0.0f;
else
void RemoteClient::SetBlockNotSent(v3s16 p)
{
- m_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 0;
- if (m_blocks_sending.find(p) != m_blocks_sending.end())
- m_blocks_sending.erase(p);
- if (m_blocks_sent.find(p) != m_blocks_sent.end())
- m_blocks_sent.erase(p);
- m_blocks_modified.insert(p);
+ // remove the block from sending and sent sets,
+ // and mark as modified if found
+ if (m_blocks_sending.erase(p) + m_blocks_sent.erase(p) > 0)
+ m_blocks_modified.insert(p);
}
void RemoteClient::SetBlocksNotSent(std::map<v3s16, MapBlock*> &blocks)
{
- m_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 0;
for (auto &block : blocks) {
v3s16 p = block.first;
- m_blocks_modified.insert(p);
-
- if (m_blocks_sending.find(p) != m_blocks_sending.end())
- m_blocks_sending.erase(p);
- if (m_blocks_sent.find(p) != m_blocks_sent.end())
- m_blocks_sent.erase(p);
+ // remove the block from sending and sent sets,
+ // and mark as modified if found
+ if (m_blocks_sending.erase(p) + m_blocks_sent.erase(p) > 0)
+ m_blocks_modified.insert(p);
}
}
case CSE_Hello:
m_state = CS_HelloSent;
break;
- case CSE_InitLegacy:
- m_state = CS_AwaitingInit2;
- break;
case CSE_Disconnect:
m_state = CS_Disconnecting;
break;
{
case CSE_AuthAccept:
m_state = CS_AwaitingInit2;
- if (chosen_mech == AUTH_MECHANISM_SRP ||
- chosen_mech == AUTH_MECHANISM_LEGACY_PASSWORD)
- srp_verifier_delete((SRPVerifier *) auth_data);
- chosen_mech = AUTH_MECHANISM_NONE;
+ resetChosenMech();
break;
case CSE_Disconnect:
m_state = CS_Disconnecting;
break;
case CSE_SetDenied:
m_state = CS_Denied;
- if (chosen_mech == AUTH_MECHANISM_SRP ||
- chosen_mech == AUTH_MECHANISM_LEGACY_PASSWORD)
- srp_verifier_delete((SRPVerifier *) auth_data);
- chosen_mech = AUTH_MECHANISM_NONE;
+ resetChosenMech();
break;
default:
myerror << "HelloSent: Invalid client state transition! " << event;
break;
case CSE_SudoSuccess:
m_state = CS_SudoMode;
- if (chosen_mech == AUTH_MECHANISM_SRP)
- srp_verifier_delete((SRPVerifier *) auth_data);
- chosen_mech = AUTH_MECHANISM_NONE;
+ resetChosenMech();
break;
/* Init GotInit2 SetDefinitionsSent SetMediaSent SetDenied */
default:
}
}
+void RemoteClient::resetChosenMech()
+{
+ if (auth_data) {
+ srp_verifier_delete((SRPVerifier *) auth_data);
+ auth_data = nullptr;
+ }
+ chosen_mech = AUTH_MECHANISM_NONE;
+}
+
u64 RemoteClient::uptime() const
{
return porting::getTimeS() - m_connection_time;
Delete clients
*/
{
- MutexAutoLock clientslock(m_clients_mutex);
+ RecursiveMutexAutoLock clientslock(m_clients_mutex);
for (auto &client_it : m_clients) {
// Delete client
std::vector<session_t> ClientInterface::getClientIDs(ClientState min_state)
{
std::vector<session_t> reply;
- MutexAutoLock clientslock(m_clients_mutex);
+ RecursiveMutexAutoLock clientslock(m_clients_mutex);
for (const auto &m_client : m_clients) {
if (m_client.second->getState() >= min_state)
return reply;
}
+void ClientInterface::markBlockposAsNotSent(const v3s16 &pos)
+{
+ RecursiveMutexAutoLock clientslock(m_clients_mutex);
+ for (const auto &client : m_clients) {
+ if (client.second->getState() >= CS_Active)
+ client.second->SetBlockNotSent(pos);
+ }
+}
+
/**
* Verify if user limit was reached.
* User limit count all clients from HelloSent state (MT protocol user) to Active state
std::vector<session_t> clients = getClientIDs();
m_clients_names.clear();
-
if (!clients.empty())
infostream<<"Players:"<<std::endl;
infostream << "* " << player->getName() << "\t";
{
- MutexAutoLock clientslock(m_clients_mutex);
+ RecursiveMutexAutoLock clientslock(m_clients_mutex);
RemoteClient* client = lockedGetClientNoEx(i);
if (client)
client->PrintInfo(infostream);
void ClientInterface::sendToAll(NetworkPacket *pkt)
{
- MutexAutoLock clientslock(m_clients_mutex);
+ RecursiveMutexAutoLock clientslock(m_clients_mutex);
for (auto &client_it : m_clients) {
RemoteClient *client = client_it.second;
}
}
-void ClientInterface::sendToAllCompat(NetworkPacket *pkt, NetworkPacket *legacypkt,
- u16 min_proto_ver)
-{
- MutexAutoLock clientslock(m_clients_mutex);
- for (auto &client_it : m_clients) {
- RemoteClient *client = client_it.second;
- NetworkPacket *pkt_to_send = nullptr;
-
- if (client->net_proto_version >= min_proto_ver) {
- pkt_to_send = pkt;
- } else if (client->net_proto_version != 0) {
- pkt_to_send = legacypkt;
- } else {
- warningstream << "Client with unhandled version to handle: '"
- << client->net_proto_version << "'";
- continue;
- }
-
- m_con->Send(client->peer_id,
- clientCommandFactoryTable[pkt_to_send->getCommand()].channel,
- pkt_to_send,
- clientCommandFactoryTable[pkt_to_send->getCommand()].reliable);
- }
-}
-
RemoteClient* ClientInterface::getClientNoEx(session_t peer_id, ClientState state_min)
{
- MutexAutoLock clientslock(m_clients_mutex);
+ RecursiveMutexAutoLock clientslock(m_clients_mutex);
RemoteClientMap::const_iterator n = m_clients.find(peer_id);
// The client may not exist; clients are immediately removed if their
// access is denied, and this event occurs later then.
ClientState ClientInterface::getClientState(session_t peer_id)
{
- MutexAutoLock clientslock(m_clients_mutex);
+ RecursiveMutexAutoLock clientslock(m_clients_mutex);
RemoteClientMap::const_iterator n = m_clients.find(peer_id);
// The client may not exist; clients are immediately removed if their
// access is denied, and this event occurs later then.
void ClientInterface::setPlayerName(session_t peer_id, const std::string &name)
{
- MutexAutoLock clientslock(m_clients_mutex);
+ RecursiveMutexAutoLock clientslock(m_clients_mutex);
RemoteClientMap::iterator n = m_clients.find(peer_id);
// The client may not exist; clients are immediately removed if their
// access is denied, and this event occurs later then.
void ClientInterface::DeleteClient(session_t peer_id)
{
- MutexAutoLock conlock(m_clients_mutex);
+ RecursiveMutexAutoLock conlock(m_clients_mutex);
// Error check
RemoteClientMap::iterator n = m_clients.find(peer_id);
void ClientInterface::CreateClient(session_t peer_id)
{
- MutexAutoLock conlock(m_clients_mutex);
+ RecursiveMutexAutoLock conlock(m_clients_mutex);
// Error check
RemoteClientMap::iterator n = m_clients.find(peer_id);
void ClientInterface::event(session_t peer_id, ClientStateEvent event)
{
{
- MutexAutoLock clientlock(m_clients_mutex);
+ RecursiveMutexAutoLock clientlock(m_clients_mutex);
// Error check
RemoteClientMap::iterator n = m_clients.find(peer_id);
u16 ClientInterface::getProtocolVersion(session_t peer_id)
{
- MutexAutoLock conlock(m_clients_mutex);
+ RecursiveMutexAutoLock conlock(m_clients_mutex);
// Error check
RemoteClientMap::iterator n = m_clients.find(peer_id);
void ClientInterface::setClientVersion(session_t peer_id, u8 major, u8 minor, u8 patch,
const std::string &full)
{
- MutexAutoLock conlock(m_clients_mutex);
+ RecursiveMutexAutoLock conlock(m_clients_mutex);
// Error check
RemoteClientMap::iterator n = m_clients.find(peer_id);