void cancelPendingItems();
- static void runCompletionCallbacks(
+protected:
+
+ void runCompletionCallbacks(
const v3s16 &pos, EmergeAction action,
const EmergeCallbackList &callbacks);
{
infostream << "EmergeParams: destroying " << this << std::endl;
// Delete everything that was cloned on creation of EmergeParams
+ delete biomegen;
delete biomemgr;
delete oremgr;
delete decomgr;
delete schemmgr;
}
-EmergeParams::EmergeParams(EmergeManager *parent, const BiomeManager *biomemgr,
+EmergeParams::EmergeParams(EmergeManager *parent, const BiomeGen *biomegen,
+ const BiomeManager *biomemgr,
const OreManager *oremgr, const DecorationManager *decomgr,
const SchematicManager *schemmgr) :
ndef(parent->ndef),
biomemgr(biomemgr->clone()), oremgr(oremgr->clone()),
decomgr(decomgr->clone()), schemmgr(schemmgr->clone())
{
+ this->biomegen = biomegen->clone(this->biomemgr);
}
////
//// EmergeManager
////
-EmergeManager::EmergeManager(Server *server)
+EmergeManager::EmergeManager(Server *server, MetricsBackend *mb)
{
this->ndef = server->getNodeDefManager();
this->biomemgr = new BiomeManager(server);
this->decomgr = new DecorationManager(server);
this->schemmgr = new SchematicManager(server);
+ // initialized later
+ this->mgparams = nullptr;
+ this->biomegen = nullptr;
+
// Note that accesses to this variable are not synchronized.
// This is because the *only* thread ever starting or stopping
// EmergeThreads should be the ServerThread.
enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
+ STATIC_ASSERT(ARRLEN(emergeActionStrs) == ARRLEN(m_completed_emerge_counter),
+ enum_size_mismatches);
+ for (u32 i = 0; i < ARRLEN(m_completed_emerge_counter); i++) {
+ std::string help_str("Number of completed emerges with status ");
+ help_str.append(emergeActionStrs[i]);
+ m_completed_emerge_counter[i] = mb->addCounter(
+ "minetest_emerge_completed", help_str,
+ {{"status", emergeActionStrs[i]}}
+ );
+ }
+
s16 nthreads = 1;
g_settings->getS16NoEx("num_emerge_threads", nthreads);
// If automatic, leave a proc for the main thread and one for
// some other misc thread
- if (nthreads == 0)
+ if (nthreads <= 0)
nthreads = Thread::getNumberOfProcessors() - 2;
if (nthreads < 1)
nthreads = 1;
- m_qlimit_total = g_settings->getU16("emergequeue_limit_total");
- if (!g_settings->getU16NoEx("emergequeue_limit_diskonly", m_qlimit_diskonly))
+ m_qlimit_total = g_settings->getU32("emergequeue_limit_total");
+ // FIXME: these fallback values are probably not good
+ if (!g_settings->getU32NoEx("emergequeue_limit_diskonly", m_qlimit_diskonly))
m_qlimit_diskonly = nthreads * 5 + 1;
- if (!g_settings->getU16NoEx("emergequeue_limit_generate", m_qlimit_generate))
+ if (!g_settings->getU32NoEx("emergequeue_limit_generate", m_qlimit_generate))
m_qlimit_generate = nthreads + 1;
// don't trust user input for something very important like this
- if (m_qlimit_total < 1)
- m_qlimit_total = 1;
- if (m_qlimit_diskonly < 1)
- m_qlimit_diskonly = 1;
- if (m_qlimit_generate < 1)
- m_qlimit_generate = 1;
+ m_qlimit_total = rangelim(m_qlimit_total, 1, 1000000);
+ m_qlimit_diskonly = rangelim(m_qlimit_diskonly, 1, 1000000);
+ m_qlimit_generate = rangelim(m_qlimit_generate, 1, 1000000);
for (s16 i = 0; i < nthreads; i++)
m_threads.push_back(new EmergeThread(server, i));
delete m_mapgens[i];
}
+ delete biomegen;
delete biomemgr;
delete oremgr;
delete decomgr;
mgparams = params;
+ v3s16 csize = v3s16(1, 1, 1) * (params->chunksize * MAP_BLOCKSIZE);
+ biomegen = biomemgr->createBiomeGen(BIOMEGEN_ORIGINAL, params->bparams, csize);
+
for (u32 i = 0; i != m_threads.size(); i++) {
- EmergeParams *p = new EmergeParams(
- this, biomemgr, oremgr, decomgr, schemmgr);
+ EmergeParams *p = new EmergeParams(this, biomegen,
+ biomemgr, oremgr, decomgr, schemmgr);
infostream << "EmergeManager: Created params " << p
<< " for thread " << i << std::endl;
m_mapgens.push_back(Mapgen::createMapgen(params->mgtype, params, p));
return nullptr;
for (u32 i = 0; i != m_threads.size(); i++) {
- if (m_threads[i]->isCurrentThread())
- return m_threads[i]->m_mapgen;
+ EmergeThread *t = m_threads[i];
+ if (t->isRunning() && t->isCurrentThread())
+ return t->m_mapgen;
}
return nullptr;
}
+bool EmergeManager::isBlockInQueue(v3s16 pos)
+{
+ MutexAutoLock queuelock(m_queue_mutex);
+ return m_blocks_enqueued.find(pos) != m_blocks_enqueued.end();
+}
+
+
//
// Mapgen-related helper functions
//
-// TODO(hmmmm): Move this to ServerMap
-v3s16 EmergeManager::getContainingChunk(v3s16 blockpos)
-{
- return getContainingChunk(blockpos, mgparams->chunksize);
-}
-
// TODO(hmmmm): Move this to ServerMap
v3s16 EmergeManager::getContainingChunk(v3s16 blockpos, s16 chunksize)
{
}
-int EmergeManager::getGroundLevelAtPoint(v2s16 p)
-{
- if (m_mapgens.empty() || !m_mapgens[0]) {
- errorstream << "EmergeManager: getGroundLevelAtPoint() called"
- " before mapgen init" << std::endl;
- return 0;
- }
-
- return m_mapgens[0]->getGroundLevelAtPoint(p);
-}
-
// TODO(hmmmm): Move this to ServerMap
bool EmergeManager::isBlockUnderground(v3s16 blockpos)
{
-#if 0
- v2s16 p = v2s16((blockpos.X * MAP_BLOCKSIZE) + MAP_BLOCKSIZE / 2,
- (blockpos.Y * MAP_BLOCKSIZE) + MAP_BLOCKSIZE / 2);
- int ground_level = getGroundLevelAtPoint(p);
- return blockpos.Y * (MAP_BLOCKSIZE + 1) <= min(water_level, ground_level);
-#endif
-
- // Use a simple heuristic; the above method is wildly inaccurate anyway.
+ // Use a simple heuristic
return blockpos.Y * (MAP_BLOCKSIZE + 1) <= mgparams->water_level;
}
void *callback_param,
bool *entry_already_exists)
{
- u16 &count_peer = m_peer_queue_count[peer_requested];
+ u32 &count_peer = m_peer_queue_count[peer_requested];
if ((flags & BLOCK_EMERGE_FORCE_QUEUE) == 0) {
if (m_blocks_enqueued.size() >= m_qlimit_total)
return false;
if (peer_requested != PEER_ID_INEXISTENT) {
- u16 qlimit_peer = (flags & BLOCK_EMERGE_ALLOW_GEN) ?
+ u32 qlimit_peer = (flags & BLOCK_EMERGE_ALLOW_GEN) ?
m_qlimit_generate : m_qlimit_diskonly;
if (count_peer >= qlimit_peer)
return false;
+ } else {
+ // limit block enqueue requests for active blocks to 1/2 of total
+ if (count_peer * 2 >= m_qlimit_total)
+ return false;
}
}
bool EmergeManager::popBlockEmergeData(v3s16 pos, BlockEmergeData *bedata)
{
- std::map<v3s16, BlockEmergeData>::iterator it;
- std::unordered_map<u16, u16>::iterator it2;
-
- it = m_blocks_enqueued.find(pos);
+ auto it = m_blocks_enqueued.find(pos);
if (it == m_blocks_enqueued.end())
return false;
*bedata = it->second;
- it2 = m_peer_queue_count.find(bedata->peer_requested);
+ auto it2 = m_peer_queue_count.find(bedata->peer_requested);
if (it2 == m_peer_queue_count.end())
return false;
- u16 &count_peer = it2->second;
+ u32 &count_peer = it2->second;
+
assert(count_peer != 0);
count_peer--;
return m_threads[index];
}
+void EmergeManager::reportCompletedEmerge(EmergeAction action)
+{
+ assert((size_t)action < ARRLEN(m_completed_emerge_counter));
+ m_completed_emerge_counter[(int)action]->increment();
+}
+
////
//// EmergeThread
void EmergeThread::runCompletionCallbacks(const v3s16 &pos, EmergeAction action,
const EmergeCallbackList &callbacks)
{
+ m_emerge->reportCompletedEmerge(action);
+
for (size_t i = 0; i != callbacks.size(); i++) {
EmergeCompletionCallback callback;
void *param;
// 1). Attempt to fetch block from memory
*block = m_map->getBlockNoCreateNoEx(pos);
- if (*block && !(*block)->isDummy()) {
+ if (*block) {
if ((*block)->isGenerated())
return EMERGE_FROM_MEMORY;
} else {
m_server->getScriptIface()->environment_OnGenerated(
minp, maxp, m_mapgen->blockseed);
} catch (LuaError &e) {
- m_server->setAsyncFatalError("Lua: finishGen" + std::string(e.what()));
+ m_server->setAsyncFatalError(e);
}
+ EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
+
/*
- Clear generate notifier events
+ Clear mapgen state
*/
- Mapgen *mg = m_emerge->getCurrentMapgen();
- mg->gennotify.clearEvents();
-
- EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
+ assert(!m_mapgen->generating);
+ m_mapgen->gennotify.clearEvents();
+ m_mapgen->vm = nullptr;
/*
Activate the block
BEGIN_DEBUG_EXCEPTION_HANDLER
v3s16 pos;
+ std::map<v3s16, MapBlock *> modified_blocks;
- m_map = (ServerMap *)&(m_server->m_env->getMap());
+ m_map = &m_server->m_env->getServerMap();
m_emerge = m_server->m_emerge;
m_mapgen = m_emerge->m_mapgens[id];
enable_mapgen_debug_info = m_emerge->enable_mapgen_debug_info;
try {
while (!stopRequested()) {
- std::map<v3s16, MapBlock *> modified_blocks;
BlockEmergeData bedata;
BlockMakeData bmdata;
EmergeAction action;
- MapBlock *block;
+ MapBlock *block = nullptr;
if (!popBlockEmerge(&pos, &bedata)) {
m_queue_event.wait();
}
block = finishGen(pos, &bmdata, &modified_blocks);
+ if (!block)
+ action = EMERGE_ERRORED;
}
runCompletionCallbacks(pos, action, bedata.callbacks);
if (!modified_blocks.empty())
m_server->SetBlocksNotSent(modified_blocks);
+ modified_blocks.clear();
}
} catch (VersionMismatchException &e) {
std::ostringstream err;
m_server->setAsyncFatalError(err.str());
}
+ cancelPendingItems();
+
END_DEBUG_EXCEPTION_HANDLER
return NULL;
}