#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
{
EmergeManager::EmergeManager(IGameDef *gamedef)
{
- //register built-in mapgens
- registerMapgen("v5", new MapgenFactoryV5());
- registerMapgen("v6", new MapgenFactoryV6());
- registerMapgen("v7", new MapgenFactoryV7());
- registerMapgen("singlenode", new MapgenFactorySinglenode());
-
this->ndef = gamedef->getNodeDefManager();
this->biomemgr = new BiomeManager(gamedef);
this->oremgr = new OreManager(gamedef);
EmergeManager::~EmergeManager()
{
- for (unsigned int i = 0; i != emergethread.size(); i++) {
+ for (u32 i = 0; i != emergethread.size(); i++) {
if (threads_active) {
emergethread[i]->Stop();
emergethread[i]->qevent.signal();
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;
}
// 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++) {
+ for (u32 i = 0; i != emergethread.size(); i++) {
if (emergethread[i]->IsSameThread())
return emergethread[i]->mapgen;
}
if (threads_active)
return;
- for (unsigned int i = 0; i != emergethread.size(); i++)
+ for (u32 i = 0; i != emergethread.size(); i++)
emergethread[i]->Start();
threads_active = true;
return;
// Request thread stop in parallel
- for (unsigned int i = 0; i != emergethread.size(); i++) {
+ 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++)
+ for (u32 i = 0; i != emergethread.size(); i++)
emergethread[i]->Wait();
threads_active = false;
// 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;
}
-u32 EmergeManager::getBlockSeed(v3s16 p)
+void EmergeManager::getMapgenNames(std::list<const char *> &mgnames)
{
- return (u32)(params.seed & 0xFFFFFFFF) +
- p.Z * 38134234 +
- p.Y * 42123 +
- p.X * 23;
+ for (u32 i = 0; i != ARRLEN(reg_mapgens); i++)
+ mgnames.push_back(reg_mapgens[i].name);
}
-Mapgen *EmergeManager::createMapgen(std::string mgname, int mgid,
+Mapgen *EmergeManager::createMapgen(const std::string &mgname, int mgid,
MapgenParams *mgparams)
{
- std::map<std::string, MapgenFactory *>::const_iterator iter;
- iter = mglist.find(mgname);
- if (iter == mglist.end()) {
+ 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->createMapgen(mgid, mgparams, this);
}
-MapgenSpecificParams *EmergeManager::createMapgenParams(std::string mgname)
+MapgenSpecificParams *EmergeManager::createMapgenParams(const std::string &mgname)
{
- std::map<std::string, MapgenFactory *>::const_iterator iter;
- iter = mglist.find(mgname);
- if (iter == mglist.end()) {
- errorstream << "EmergeManager: mapgen " << 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::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)
VoxelArea(minp, maxp));
try { // takes about 90ms with -O1 on an e3-1230v2
m_server->getScriptIface()->environment_OnGenerated(
- minp, maxp, emerge->getBlockSeed(minp));
+ minp, maxp, mapgen->blockseed);
} catch(LuaError &e) {
m_server->setAsyncFatalError(e.what());
}