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Fix and tune block sending

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This commit is contained in:
Perttu Ahola 2011-10-19 02:17:23 +03:00
parent d47120aeb3
commit 3a06fb8831
4 changed files with 59 additions and 65 deletions
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4
minetest.conf.example
View File

@ -143,8 +143,8 @@
#active_block_range = 2
#max_simultaneous_block_sends_per_client = 2
#max_simultaneous_block_sends_server_total = 8
#max_block_send_distance = 8
#max_block_generate_distance = 8
#max_block_send_distance = 7
#max_block_generate_distance = 5
#time_send_interval = 20
# Length of day/night cycle. 72=20min, 360=4min, 1=24hour
#time_speed = 72

2
src/client.cpp
View File

@ -156,7 +156,7 @@ void * MeshUpdateThread::Thread()
continue;
}
ScopeProfiler sp(g_profiler, "mesh make");
ScopeProfiler sp(g_profiler, "Client: Mesh making");
scene::SMesh *mesh_new = NULL;
mesh_new = makeMapBlockMesh(q->data);

4
src/defaultsettings.cpp
View File

@ -101,8 +101,8 @@ void set_default_settings(Settings *settings)
// This causes frametime jitter on client side, or does it?
settings->setDefault("max_simultaneous_block_sends_per_client", "2");
settings->setDefault("max_simultaneous_block_sends_server_total", "8");
settings->setDefault("max_block_send_distance", "8");
settings->setDefault("max_block_generate_distance", "8");
settings->setDefault("max_block_send_distance", "7");
settings->setDefault("max_block_generate_distance", "5");
settings->setDefault("time_send_interval", "20");
settings->setDefault("time_speed", "96");
settings->setDefault("server_unload_unused_data_timeout", "60");

112
src/server.cpp
View File

@ -354,11 +354,10 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
// Increment timers
m_nothing_to_send_pause_timer -= dtime;
m_nearest_unsent_reset_timer += dtime;
if(m_nothing_to_send_pause_timer >= 0)
{
// Keep this reset
m_nearest_unsent_reset_timer = 0;
return;
}
@ -410,17 +409,13 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
/*infostream<<"m_nearest_unsent_reset_timer="
<<m_nearest_unsent_reset_timer<<std::endl;*/
// This has to be incremented only when the nothing to send pause
// is not active
m_nearest_unsent_reset_timer += dtime;
// Reset periodically to avoid possible bugs or other mishaps
if(m_nearest_unsent_reset_timer > 10.0)
// Reset periodically to workaround for some bugs or stuff
if(m_nearest_unsent_reset_timer > 20.0)
{
m_nearest_unsent_reset_timer = 0;
m_nearest_unsent_d = 0;
/*infostream<<"Resetting m_nearest_unsent_d for "
<<server->getPlayerName(peer_id)<<std::endl;*/
//infostream<<"Resetting m_nearest_unsent_d for "
// <<server->getPlayerName(peer_id)<<std::endl;
}
//s16 last_nearest_unsent_d = m_nearest_unsent_d;
@ -463,22 +458,24 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
// Don't loop very much at a time
if(d_max > d_start+1)
d_max = d_start+1;
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;
/*if(d_max_gen > d_start+2)
d_max_gen = d_start+2;*/
//infostream<<"Starting from "<<d_start<<std::endl;
bool sending_something = false;
bool no_blocks_found_for_sending = true;
s32 nearest_emerged_d = -1;
s32 nearest_emergefull_d = -1;
s32 nearest_sent_d = -1;
bool queue_is_full = false;
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<<std::endl;
/*
@ -550,12 +547,12 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
generate = false;*/
// Limit the send area vertically to 2/3
if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
// Limit the send area vertically to 1/2
if(abs(p.Y - center.Y) > d_max / 2)
continue;
}
#if 1
#if 0
/*
If block is far away, don't generate it unless it is
near ground level.
@ -588,7 +585,7 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
#endif
//infostream<<"d="<<d<<std::endl;
#if 1
/*
Don't generate or send if not in sight
FIXME This only works if the client uses a small enough
@ -600,7 +597,7 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
{
continue;
}
#endif
/*
Don't send already sent blocks
*/
@ -658,7 +655,7 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
Block is near ground level if night-time mesh
differs from day-time mesh.
*/
if(d > 3)
if(d >= 4)
{
if(block->dayNightDiffed() == false)
continue;
@ -676,18 +673,6 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
continue;
}
/*
Record the lowest d from which a block has been
found being not sent and possibly to exist
*/
if(no_blocks_found_for_sending)
{
if(generate == true)
new_nearest_unsent_d = d;
}
no_blocks_found_for_sending = false;
/*
Add inexistent block to emerge queue.
*/
@ -697,7 +682,8 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
// Allow only one block in emerge queue
//if(server->m_emerge_queue.peerItemCount(peer_id) < 1)
// Allow two blocks in queue per client
if(server->m_emerge_queue.peerItemCount(peer_id) < 2)
//if(server->m_emerge_queue.peerItemCount(peer_id) < 2)
if(server->m_emerge_queue.peerItemCount(peer_id) < 25)
{
//infostream<<"Adding block to emerge queue"<<std::endl;
@ -709,55 +695,63 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
server->m_emerge_queue.addBlock(peer_id, p, flags);
server->m_emergethread.trigger();
if(nearest_emerged_d == -1)
nearest_emerged_d = d;
} else {
if(nearest_emergefull_d == -1)
nearest_emergefull_d = d;
}
// get next one.
continue;
}
if(nearest_sent_d == -1)
nearest_sent_d = d;
/*
Add block to send queue
*/
/*errorstream<<"sending from d="<<d<<" to "
<<server->getPlayerName(peer_id)<<std::endl;*/
PrioritySortedBlockTransfer q((float)d, p, peer_id);
dest.push_back(q);
num_blocks_selected += 1;
sending_something = true;
}
}
queue_full_break:
//infostream<<"Stopped at "<<d<<std::endl;
if(no_blocks_found_for_sending)
{
if(queue_is_full == false)
// 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 > g_settings->getS16("max_block_send_distance")){
new_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 2.0;
/*infostream<<"GetNextBlocks(): d wrapped around for "
<<server->getPlayerName(peer_id)
<<"; setting to 0 and pausing"<<std::endl;*/
} 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;
if(sending_something == false)
{
m_nothing_to_send_counter++;
if((s16)m_nothing_to_send_counter >=
g_settings->getS16("max_block_send_distance"))
{
// Pause time in seconds
m_nothing_to_send_pause_timer = 1.0;
/*infostream<<"nothing to send to "
<<server->getPlayerName(peer_id)
<<" (d="<<d<<")"<<std::endl;*/
}
}
else
{
m_nothing_to_send_counter = 0;
}
/*timer_result = timer.stop(true);
if(timer_result != 0)
infostream<<"GetNextBlocks duration: "<<timer_result<<" (!=0)"<<std::endl;*/
@ -1470,7 +1464,7 @@ void Server::AsyncRunStep()
JMutexAutoLock envlock(m_env_mutex);
JMutexAutoLock conlock(m_con_mutex);
ScopeProfiler sp(g_profiler, "Server: sending object messages");
//ScopeProfiler sp(g_profiler, "Server: sending object messages");
// Key = object id
// Value = data sent by object
@ -1710,7 +1704,7 @@ void Server::AsyncRunStep()
JMutexAutoLock lock1(m_env_mutex);
JMutexAutoLock lock2(m_con_mutex);
ScopeProfiler sp(g_profiler, "Server: sending player positions");
//ScopeProfiler sp(g_profiler, "Server: sending player positions");
SendObjectData(counter);