#include "server.h"
#include <iostream>
#include <queue>
-#include "jthread/jevent.h"
+#include "threading/event.h"
#include "map.h"
#include "environment.h"
#include "util/container.h"
#include "util/thread.h"
-#include "main.h"
#include "constants.h"
#include "voxel.h"
#include "config.h"
#include "mapgen_v7.h"
#include "mapgen_singlenode.h"
+struct MapgenDesc {
+ const char *name;
+ MapgenFactory *factory;
+};
+
+MapgenDesc reg_mapgens[] = {
+ {"v5", new MapgenFactoryV5},
+ {"v6", new MapgenFactoryV6},
+ {"v7", new MapgenFactoryV7},
+ {"singlenode", new MapgenFactorySinglenode},
+};
-class EmergeThread : public JThread
+class EmergeThread : public Thread
{
public:
Server *m_server;
std::queue<v3s16> blockqueue;
EmergeThread(Server *server, int ethreadid):
- JThread(),
m_server(server),
map(NULL),
emerge(NULL),
enable_mapgen_debug_info(false),
id(ethreadid)
{
+ name = "Emerge-" + itos(id);
}
- void *Thread();
+ void *run();
bool popBlockEmerge(v3s16 *pos, u8 *flags);
bool getBlockOrStartGen(v3s16 p, MapBlock **b,
BlockMakeData *data, bool allow_generate);
/////////////////////////////// Emerge Manager ////////////////////////////////
-EmergeManager::EmergeManager(IGameDef *gamedef) {
- //register built-in mapgens
- registerMapgen("v5", new MapgenFactoryV5());
- registerMapgen("v6", new MapgenFactoryV6());
- registerMapgen("v7", new MapgenFactoryV7());
- registerMapgen("singlenode", new MapgenFactorySinglenode());
-
+EmergeManager::EmergeManager(IGameDef *gamedef)
+{
this->ndef = gamedef->getNodeDefManager();
this->biomemgr = new BiomeManager(gamedef);
this->oremgr = new OreManager(gamedef);
this->decomgr = new DecorationManager(gamedef);
this->schemmgr = new SchematicManager(gamedef);
- this->gennotify = 0;
+ this->gen_notify_on = 0;
// Note that accesses to this variable are not synchronized.
// This is because the *only* thread ever starting or stopping
// some other misc thread
s16 nthreads = 0;
if (!g_settings->getS16NoEx("num_emerge_threads", nthreads))
- nthreads = porting::getNumberOfProcessors() - 2;
+ nthreads = Thread::getNumberOfProcessors() - 2;
if (nthreads < 1)
nthreads = 1;
}
-EmergeManager::~EmergeManager() {
- for (unsigned int i = 0; i != emergethread.size(); i++) {
+EmergeManager::~EmergeManager()
+{
+ for (u32 i = 0; i != emergethread.size(); i++) {
if (threads_active) {
- emergethread[i]->Stop();
+ emergethread[i]->stop();
emergethread[i]->qevent.signal();
- emergethread[i]->Wait();
+ emergethread[i]->wait();
}
delete emergethread[i];
delete mapgen[i];
emergethread.clear();
mapgen.clear();
- std::map<std::string, MapgenFactory *>::iterator it;
- for (it = mglist.begin(); it != mglist.end(); ++it)
- delete it->second;
- mglist.clear();
-
delete biomemgr;
delete oremgr;
delete decomgr;
}
-void EmergeManager::loadMapgenParams() {
- loadParamsFromSettings(g_settings);
-
- if (g_settings->get("fixed_map_seed").empty()) {
- params.seed = (((u64)(myrand() & 0xffff) << 0)
- | ((u64)(myrand() & 0xffff) << 16)
- | ((u64)(myrand() & 0xffff) << 32)
- | ((u64)(myrand() & 0xffff) << 48));
- }
+void EmergeManager::loadMapgenParams()
+{
+ params.load(*g_settings);
}
-void EmergeManager::initMapgens() {
+void EmergeManager::initMapgens()
+{
if (mapgen.size())
return;
}
// Create the mapgens
- for (size_t i = 0; i != emergethread.size(); i++) {
+ for (u32 i = 0; i != emergethread.size(); i++) {
Mapgen *mg = createMapgen(params.mg_name, i, ¶ms);
assert(mg);
mapgen.push_back(mg);
}
-Mapgen *EmergeManager::getCurrentMapgen() {
- for (unsigned int i = 0; i != emergethread.size(); i++) {
- if (emergethread[i]->IsSameThread())
+Mapgen *EmergeManager::getCurrentMapgen()
+{
+ for (u32 i = 0; i != emergethread.size(); i++) {
+ if (emergethread[i]->isSameThread())
return emergethread[i]->mapgen;
}
}
-void EmergeManager::startThreads() {
+void EmergeManager::startThreads()
+{
if (threads_active)
return;
- for (unsigned int i = 0; i != emergethread.size(); i++)
- emergethread[i]->Start();
+ for (u32 i = 0; i != emergethread.size(); i++)
+ emergethread[i]->start();
threads_active = true;
}
-void EmergeManager::stopThreads() {
+void EmergeManager::stopThreads()
+{
if (!threads_active)
return;
// Request thread stop in parallel
- for (unsigned int i = 0; i != emergethread.size(); i++) {
- emergethread[i]->Stop();
+ for (u32 i = 0; i != emergethread.size(); i++) {
+ emergethread[i]->stop();
emergethread[i]->qevent.signal();
}
// Then do the waiting for each
- for (unsigned int i = 0; i != emergethread.size(); i++)
- emergethread[i]->Wait();
+ for (u32 i = 0; i != emergethread.size(); i++)
+ emergethread[i]->wait();
threads_active = false;
}
-bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate) {
+bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate)
+{
std::map<v3s16, BlockEmergeData *>::const_iterator iter;
BlockEmergeData *bedata;
u16 count;
flags |= BLOCK_EMERGE_ALLOWGEN;
{
- JMutexAutoLock queuelock(queuemutex);
+ MutexAutoLock queuelock(queuemutex);
count = blocks_enqueued.size();
if (count >= qlimit_total)
// insert into the EmergeThread queue with the least items
int lowestitems = emergethread[0]->blockqueue.size();
- for (unsigned int i = 1; i != emergethread.size(); i++) {
+ for (u32 i = 1; i != emergethread.size(); i++) {
int nitems = emergethread[i]->blockqueue.size();
if (nitems < lowestitems) {
idx = i;
}
-int EmergeManager::getGroundLevelAtPoint(v2s16 p) {
+int EmergeManager::getGroundLevelAtPoint(v2s16 p)
+{
if (mapgen.size() == 0 || !mapgen[0]) {
errorstream << "EmergeManager: getGroundLevelAtPoint() called"
" before mapgen initialized" << std::endl;
}
-bool EmergeManager::isBlockUnderground(v3s16 blockpos) {
+bool EmergeManager::isBlockUnderground(v3s16 blockpos)
+{
/*
v2s16 p = v2s16((blockpos.X * MAP_BLOCKSIZE) + MAP_BLOCKSIZE / 2,
(blockpos.Y * MAP_BLOCKSIZE) + MAP_BLOCKSIZE / 2);
}
-u32 EmergeManager::getBlockSeed(v3s16 p) {
- return (u32)(params.seed & 0xFFFFFFFF) +
- p.Z * 38134234 +
- p.Y * 42123 +
- p.X * 23;
+void EmergeManager::getMapgenNames(std::list<const char *> &mgnames)
+{
+ for (u32 i = 0; i != ARRLEN(reg_mapgens); i++)
+ mgnames.push_back(reg_mapgens[i].name);
}
-Mapgen *EmergeManager::createMapgen(std::string mgname, int mgid,
- MapgenParams *mgparams) {
- std::map<std::string, MapgenFactory *>::const_iterator iter;
- iter = mglist.find(mgname);
- if (iter == mglist.end()) {
+Mapgen *EmergeManager::createMapgen(const std::string &mgname, int mgid,
+ MapgenParams *mgparams)
+{
+ u32 i;
+ for (i = 0; i != ARRLEN(reg_mapgens) && mgname != reg_mapgens[i].name; i++);
+ if (i == ARRLEN(reg_mapgens)) {
errorstream << "EmergeManager; mapgen " << mgname <<
- " not registered" << std::endl;
+ " not registered" << std::endl;
return NULL;
}
- MapgenFactory *mgfactory = iter->second;
+ MapgenFactory *mgfactory = reg_mapgens[i].factory;
return mgfactory->createMapgen(mgid, mgparams, this);
}
-MapgenSpecificParams *EmergeManager::createMapgenParams(std::string mgname) {
- std::map<std::string, MapgenFactory *>::const_iterator iter;
- iter = mglist.find(mgname);
- if (iter == mglist.end()) {
- errorstream << "EmergeManager: mapgen " << mgname <<
- " not registered" << std::endl;
+MapgenSpecificParams *EmergeManager::createMapgenParams(const std::string &mgname)
+{
+ u32 i;
+ for (i = 0; i < ARRLEN(reg_mapgens) && mgname != reg_mapgens[i].name; i++);
+ if (i == ARRLEN(reg_mapgens)) {
+ errorstream << "EmergeManager: Mapgen " << mgname <<
+ " not registered" << std::endl;
return NULL;
}
- MapgenFactory *mgfactory = iter->second;
+ MapgenFactory *mgfactory = reg_mapgens[i].factory;
return mgfactory->createMapgenParams();
}
-void EmergeManager::loadParamsFromSettings(Settings *settings) {
- std::string seed_str;
- const char *setname = (settings == g_settings) ? "fixed_map_seed" : "seed";
-
- if (settings->getNoEx(setname, seed_str))
- params.seed = read_seed(seed_str.c_str());
-
- settings->getNoEx("mg_name", params.mg_name);
- settings->getS16NoEx("water_level", params.water_level);
- settings->getS16NoEx("chunksize", params.chunksize);
- settings->getFlagStrNoEx("mg_flags", params.flags, flagdesc_mapgen);
-
- delete params.sparams;
- params.sparams = createMapgenParams(params.mg_name);
- if (params.sparams)
- params.sparams->readParams(settings);
-}
-
-
-void EmergeManager::saveParamsToSettings(Settings *settings) {
- settings->set("mg_name", params.mg_name);
- settings->setU64("seed", params.seed);
- settings->setS16("water_level", params.water_level);
- settings->setS16("chunksize", params.chunksize);
- settings->setFlagStr("mg_flags", params.flags, flagdesc_mapgen, (u32)-1);
-
- if (params.sparams)
- params.sparams->writeParams(settings);
-}
-
-
-void EmergeManager::registerMapgen(std::string mgname, MapgenFactory *mgfactory) {
- mglist.insert(std::make_pair(mgname, mgfactory));
- infostream << "EmergeManager: registered mapgen " << mgname << std::endl;
-}
-
-
////////////////////////////// Emerge Thread //////////////////////////////////
-bool EmergeThread::popBlockEmerge(v3s16 *pos, u8 *flags) {
+bool EmergeThread::popBlockEmerge(v3s16 *pos, u8 *flags)
+{
std::map<v3s16, BlockEmergeData *>::iterator iter;
- JMutexAutoLock queuelock(emerge->queuemutex);
+ MutexAutoLock queuelock(emerge->queuemutex);
if (blockqueue.empty())
return false;
bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b,
- BlockMakeData *data, bool allow_gen) {
+ BlockMakeData *data, bool allow_gen)
+{
v2s16 p2d(p.X, p.Z);
//envlock: usually takes <=1ms, sometimes 90ms or ~400ms to acquire
- JMutexAutoLock envlock(m_server->m_env_mutex);
+ MutexAutoLock envlock(m_server->m_env_mutex);
// Load sector if it isn't loaded
if (map->getSectorNoGenerateNoEx(p2d) == NULL)
}
-void *EmergeThread::Thread() {
- ThreadStarted();
- log_register_thread("EmergeThread" + itos(id));
+void *EmergeThread::run()
+{
DSTACK(__FUNCTION_NAME);
BEGIN_DEBUG_EXCEPTION_HANDLER
mapgen = emerge->mapgen[id];
enable_mapgen_debug_info = emerge->mapgen_debug_info;
- porting::setThreadName("EmergeThread");
-
- while (!StopRequested())
+ while (!stopRequested())
try {
if (!popBlockEmerge(&p, &flags)) {
qevent.wait();
{
//envlock: usually 0ms, but can take either 30 or 400ms to acquire
- JMutexAutoLock envlock(m_server->m_env_mutex);
+ MutexAutoLock envlock(m_server->m_env_mutex);
ScopeProfiler sp(g_profiler, "EmergeThread: after "
"Mapgen::makeChunk (envlock)", SPT_AVG);
VoxelArea(minp, maxp));
try { // takes about 90ms with -O1 on an e3-1230v2
m_server->getScriptIface()->environment_OnGenerated(
- minp, maxp, emerge->getBlockSeed(minp));
- } catch(LuaError &e) {
- m_server->setAsyncFatalError(e.what());
+ minp, maxp, mapgen->blockseed);
+ } catch (LuaError &e) {
+ m_server->setAsyncFatalError("Lua: " + std::string(e.what()));
}
EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
}
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;
+ 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;
- 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;
+ 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());
}
+ {
+ MutexAutoLock 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;
}