void *EmergeThread::Thread() {
ThreadStarted();
log_register_thread("EmergeThread" + itos(id));
DSTACK(__FUNCTION_NAME);
BEGIN_DEBUG_EXCEPTION_HANDLER
v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
v3s16 p;
u8 flags;
map = (ServerMap *)&(m_server->m_env->getMap());
emerge = m_server->m_emerge;
mapgen = emerge->mapgen[id];
enable_mapgen_debug_info = emerge->mapgen_debug_info;
while (getRun())
try {
if (!popBlockEmerge(&p, &flags)) {
qevent.wait();
continue;
}
last_tried_pos = p;
if (blockpos_over_limit(p))
continue;
bool allow_generate = flags & BLOCK_EMERGE_ALLOWGEN;
EMERGE_DBG_OUT("p=" PP(p) " allow_generate=" << allow_generate);
/*
Try to fetch block from memory or disk.
If not found and asked to generate, initialize generator.
*/
BlockMakeData data;
MapBlock *block = NULL;
std::map<v3s16, MapBlock *> modified_blocks;
if (getBlockOrStartGen(p, &block, &data, allow_generate)) {
{
ScopeProfiler sp(g_profiler, "EmergeThread: Mapgen::makeChunk", SPT_AVG);
TimeTaker t("mapgen::make_block()");
mapgen->makeChunk(&data);
if (enable_mapgen_debug_info == false)
t.stop(true); // Hide output
}
{
//envlock: usually 0ms, but can take either 30 or 400ms to acquire
JMutexAutoLock envlock(m_server->m_env_mutex);
ScopeProfiler sp(g_profiler, "EmergeThread: after "
"Mapgen::makeChunk (envlock)", SPT_AVG);
map->finishBlockMake(&data, modified_blocks);
block = map->getBlockNoCreateNoEx(p);
if (block) {
/*
Do some post-generate stuff
*/
v3s16 minp = data.blockpos_min * MAP_BLOCKSIZE;
v3s16 maxp = data.blockpos_max * MAP_BLOCKSIZE +
v3s16(1,1,1) * (MAP_BLOCKSIZE - 1);
// Ignore map edit events, they will not need to be sent
// to anybody because the block hasn't been sent to anybody
MapEditEventAreaIgnorer
ign(&m_server->m_ignore_map_edit_events_area,
VoxelArea(minp, maxp));
{ // takes about 90ms with -O1 on an e3-1230v2
m_server->getScriptIface()->
environment_OnGenerated(
minp, maxp, emerge->getBlockSeed(minp));
}
EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
m_server->m_env->activateBlock(block, 0);
}
}
}
/*
Set sent status of modified blocks on clients
*/
// NOTE: Server's clients are also behind the connection mutex
//conlock: consistently takes 30-40ms to acquire
JMutexAutoLock lock(m_server->m_con_mutex);
// Add the originally fetched block to the modified list
if (block)
modified_blocks[p] = block;
// Update weather data in mapblock
for(std::map<v3s16, MapBlock *>::iterator
i = modified_blocks.begin();
i != modified_blocks.end(); ++i) {
map->getHeat(m_server->m_env, MAP_BLOCKSIZE*i->first ,i->second);
map->getHumidity(m_server->m_env, MAP_BLOCKSIZE*i->first, i->second);
}
// Set the modified blocks unsent for all the clients
for (std::map<u16, RemoteClient*>::iterator
i = m_server->m_clients.begin();
i != m_server->m_clients.end(); ++i) {
RemoteClient *client = i->second;
if (modified_blocks.size() > 0) {
// Remove block from sent history
client->SetBlocksNotSent(modified_blocks);
}
}
}
catch (VersionMismatchException &e) {
std::ostringstream err;
err << "World data version mismatch in MapBlock "<<PP(last_tried_pos)<<std::endl;
err << "----"<<std::endl;
err << "\""<<e.what()<<"\""<<std::endl;
err << "See debug.txt."<<std::endl;
err << "World probably saved by a newer version of Minetest."<<std::endl;
m_server->setAsyncFatalError(err.str());
}
catch (SerializationError &e) {
std::ostringstream err;
err << "Invalid data in MapBlock "<<PP(last_tried_pos)<<std::endl;
err << "----"<<std::endl;
err << "\""<<e.what()<<"\""<<std::endl;
err << "See debug.txt."<<std::endl;
err << "You can ignore this using [ignore_world_load_errors = true]."<<std::endl;
m_server->setAsyncFatalError(err.str());
}
END_DEBUG_EXCEPTION_HANDLER(errorstream)
log_deregister_thread();
return NULL;
}
void *EmergeThread::Thread()
{
ThreadStarted();
log_register_thread("EmergeThread" + itos(id));
DSTACK(__FUNCTION_NAME);
BEGIN_DEBUG_EXCEPTION_HANDLER
v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
v3s16 p;
u8 flags = 0;
map = (ServerMap *)&(m_server->m_env->getMap());
emerge = m_server->m_emerge;
mapgen = emerge->mapgen[id];
enable_mapgen_debug_info = emerge->mapgen_debug_info;
porting::setThreadName("EmergeThread");
while (!StopRequested())
try {
if (!popBlockEmerge(&p, &flags)) {
qevent.wait();
continue;
}
last_tried_pos = p;
if (blockpos_over_limit(p))
continue;
bool allow_generate = flags & BLOCK_EMERGE_ALLOWGEN;
EMERGE_DBG_OUT("p=" PP(p) " allow_generate=" << allow_generate);
/*
Try to fetch block from memory or disk.
If not found and asked to generate, initialize generator.
*/
BlockMakeData data;
MapBlock *block = NULL;
std::map<v3s16, MapBlock *> modified_blocks;
if (getBlockOrStartGen(p, &block, &data, allow_generate) && mapgen) {
{
ScopeProfiler sp(g_profiler, "EmergeThread: Mapgen::makeChunk", SPT_AVG);
TimeTaker t("mapgen::make_block()");
mapgen->makeChunk(&data);
if (enable_mapgen_debug_info == false)
t.stop(true); // Hide output
}
{
//envlock: usually 0ms, but can take either 30 or 400ms to acquire
JMutexAutoLock envlock(m_server->m_env_mutex);
ScopeProfiler sp(g_profiler, "EmergeThread: after "
"Mapgen::makeChunk (envlock)", SPT_AVG);
map->finishBlockMake(&data, modified_blocks);
block = map->getBlockNoCreateNoEx(p);
if (block) {
/*
Do some post-generate stuff
*/
v3s16 minp = data.blockpos_min * MAP_BLOCKSIZE;
v3s16 maxp = data.blockpos_max * MAP_BLOCKSIZE +
v3s16(1,1,1) * (MAP_BLOCKSIZE - 1);
// Ignore map edit events, they will not need to be sent
// to anybody because the block hasn't been sent to anybody
MapEditEventAreaIgnorer
ign(&m_server->m_ignore_map_edit_events_area,
VoxelArea(minp, maxp));
try { // takes about 90ms with -O1 on an e3-1230v2
m_server->getScriptIface()->environment_OnGenerated(
minp, maxp, mapgen->blockseed);
} catch(LuaError &e) {
m_server->setAsyncFatalError(e.what());
}
EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
m_server->m_env->activateBlock(block, 0);
}
}
}
/*
Set sent status of modified blocks on clients
*/
// Add the originally fetched block to the modified list
if (block)
modified_blocks[p] = block;
if (modified_blocks.size() > 0) {
m_server->SetBlocksNotSent(modified_blocks);
}
}
catch (VersionMismatchException &e) {
std::ostringstream err;
err << "World data version mismatch in MapBlock " << PP(last_tried_pos) << std::endl
<< "----" << std::endl
<< "\"" << e.what() << "\"" << std::endl
<< "See debug.txt." << std::endl
<< "World probably saved by a newer version of " PROJECT_NAME_C "."
<< std::endl;
m_server->setAsyncFatalError(err.str());
}
catch (SerializationError &e) {
std::ostringstream err;
err << "Invalid data in MapBlock " << PP(last_tried_pos) << std::endl
<< "----" << std::endl
<< "\"" << e.what() << "\"" << std::endl
<< "See debug.txt." << std::endl
<< "You can ignore this using [ignore_world_load_errors = true]."
<< std::endl;
m_server->setAsyncFatalError(err.str());
}
{
JMutexAutoLock queuelock(emerge->queuemutex);
while (!blockqueue.empty())
{
v3s16 p = blockqueue.front();
blockqueue.pop();
std::map<v3s16, BlockEmergeData *>::iterator iter;
iter = emerge->blocks_enqueued.find(p);
if (iter == emerge->blocks_enqueued.end())
continue; //uh oh, queue and map out of sync!!
BlockEmergeData *bedata = iter->second;
delete bedata;
}
}
END_DEBUG_EXCEPTION_HANDLER(errorstream)
log_deregister_thread();
return NULL;
}
void *EmergeThread::run()
{
DSTACK(FUNCTION_NAME);
BEGIN_DEBUG_EXCEPTION_HANDLER
v3s16 pos;
m_map = (ServerMap *)&(m_server->m_env->getMap());
m_emerge = m_server->m_emerge;
m_mapgen = m_emerge->m_mapgens[id];
enable_mapgen_debug_info = m_emerge->enable_mapgen_debug_info;
reg("EmergeThread" + itos(id), 5);
while (!stopRequested()) {
try {
std::map<v3s16, MapBlock *> modified_blocks;
BlockEmergeData bedata;
BlockMakeData bmdata;
EmergeAction action;
MapBlock *block;
if (!popBlockEmerge(&pos, &bedata)) {
m_queue_event.wait();
continue;
}
if (blockpos_over_limit(pos))
continue;
bool allow_gen = bedata.flags & BLOCK_EMERGE_ALLOW_GEN;
EMERGE_DBG_OUT("pos=" PP(pos) " allow_gen=" << allow_gen);
action = getBlockOrStartGen(pos, allow_gen, &block, &bmdata);
if (action == EMERGE_GENERATED) {
{
ScopeProfiler sp(g_profiler,
"EmergeThread: Mapgen::makeChunk", SPT_AVG);
TimeTaker t("mapgen::make_block()");
m_mapgen->makeChunk(&bmdata);
if (enable_mapgen_debug_info == false)
t.stop(true); // Hide output
}
block = finishGen(pos, &bmdata, &modified_blocks);
}
runCompletionCallbacks(pos, action, bedata.callbacks);
if (block) {
//modified_blocks[pos] = block;
} else if (allow_gen)
verbosestream<<"nothing generated at "<<pos<< " emerge action="<< action <<std::endl;
if (modified_blocks.size() > 0)
m_server->SetBlocksNotSent(/*modified_blocks*/);
if (m_mapgen->heat_cache.size() > 1000) {
m_mapgen->heat_cache.clear();
m_mapgen->humidity_cache.clear();
}
} catch (VersionMismatchException &e) {
std::ostringstream err;
err << "World data version mismatch in MapBlock " << PP(pos) << std::endl
<< "----" << std::endl
<< "\"" << e.what() << "\"" << std::endl
<< "See debug.txt." << std::endl
<< "World probably saved by a newer version of " PROJECT_NAME_C "."
<< std::endl;
debug_stacks_print();
m_server->setAsyncFatalError(err.str());
} catch (SerializationError &e) {
std::ostringstream err;
err << "Invalid data in MapBlock " << PP(pos) << std::endl
<< "----" << std::endl
<< "\"" << e.what() << "\"" << std::endl
<< "See debug.txt." << std::endl
<< "You can ignore this using [ignore_world_load_errors = true]."
<< std::endl;
debug_stacks_print();
m_server->setAsyncFatalError(err.str());
} catch (std::exception &e) {
errorstream << "emerge: exception at " << pos << " : " << e.what() << std::endl;
}
}
END_DEBUG_EXCEPTION_HANDLER
return NULL;
}
