#include "log.h"
#include "map.h"
#include "mapblock.h"
-#include "mg_biome.h"
-#include "mg_ore.h"
-#include "mg_decoration.h"
-#include "mg_schematic.h"
+#include "mapgen/mg_biome.h"
+#include "mapgen/mg_ore.h"
+#include "mapgen/mg_decoration.h"
+#include "mapgen/mg_schematic.h"
#include "nodedef.h"
#include "profiler.h"
#include "scripting_server.h"
#include "server.h"
-#include "serverobject.h"
#include "settings.h"
#include "voxel.h"
int id;
EmergeThread(Server *server, int ethreadid);
- ~EmergeThread();
+ ~EmergeThread() = default;
void *run();
void signal();
// Requires queue mutex held
- bool pushBlock(v3s16 pos);
+ bool pushBlock(const v3s16 &pos);
void cancelPendingItems();
static void runCompletionCallbacks(
- v3s16 pos, EmergeAction action,
+ const v3s16 &pos, EmergeAction action,
const EmergeCallbackList &callbacks);
private:
bool popBlockEmerge(v3s16 *pos, BlockEmergeData *bedata);
EmergeAction getBlockOrStartGen(
- v3s16 pos, bool allow_gen, MapBlock **block, BlockMakeData *data);
+ const v3s16 &pos, bool allow_gen, MapBlock **block, BlockMakeData *data);
MapBlock *finishGen(v3s16 pos, BlockMakeData *bmdata,
std::map<v3s16, MapBlock *> *modified_blocks);
friend class EmergeManager;
};
+class MapEditEventAreaIgnorer
+{
+public:
+ MapEditEventAreaIgnorer(VoxelArea *ignorevariable, const VoxelArea &a):
+ m_ignorevariable(ignorevariable)
+ {
+ if(m_ignorevariable->getVolume() == 0)
+ *m_ignorevariable = a;
+ else
+ m_ignorevariable = NULL;
+ }
+
+ ~MapEditEventAreaIgnorer()
+ {
+ if(m_ignorevariable)
+ {
+ assert(m_ignorevariable->getVolume() != 0);
+ *m_ignorevariable = VoxelArea();
+ }
+ }
+
+private:
+ VoxelArea *m_ignorevariable;
+};
+
+EmergeParams::~EmergeParams()
+{
+ 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 BiomeGen *biomegen,
+ const BiomeManager *biomemgr,
+ const OreManager *oremgr, const DecorationManager *decomgr,
+ const SchematicManager *schemmgr) :
+ ndef(parent->ndef),
+ enable_mapgen_debug_info(parent->enable_mapgen_debug_info),
+ gen_notify_on(parent->gen_notify_on),
+ gen_notify_on_deco_ids(&parent->gen_notify_on_deco_ids),
+ biomemgr(biomemgr->clone()), oremgr(oremgr->clone()),
+ decomgr(decomgr->clone()), schemmgr(schemmgr->clone())
+{
+ this->biomegen = biomegen->clone(this->biomemgr);
+}
+
////
//// EmergeManager
////
this->oremgr = new OreManager(server);
this->decomgr = new DecorationManager(server);
this->schemmgr = new SchematicManager(server);
- this->gen_notify_on = 0;
+
+ // 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.
- this->m_threads_active = false;
enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
- // If unspecified, leave a proc for the main thread and one for
+ 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
- s16 nthreads = 0;
- if (!g_settings->getS16NoEx("num_emerge_threads", nthreads))
+ if (nthreads == 0)
nthreads = Thread::getNumberOfProcessors() - 2;
if (nthreads < 1)
nthreads = 1;
m_qlimit_total = g_settings->getU16("emergequeue_limit_total");
+ // FIXME: these fallback values are probably not good
if (!g_settings->getU16NoEx("emergequeue_limit_diskonly", m_qlimit_diskonly))
m_qlimit_diskonly = nthreads * 5 + 1;
if (!g_settings->getU16NoEx("emergequeue_limit_generate", m_qlimit_generate))
}
delete thread;
- delete m_mapgens[i];
+
+ // Mapgen init might not be finished if there is an error during startup.
+ if (m_mapgens.size() > i)
+ delete m_mapgens[i];
}
delete biomemgr;
}
-bool EmergeManager::initMapgens(MapgenParams *params)
+BiomeManager *EmergeManager::getWritableBiomeManager()
{
- if (m_mapgens.size())
- return false;
+ FATAL_ERROR_IF(!m_mapgens.empty(),
+ "Writable managers can only be returned before mapgen init");
+ return biomemgr;
+}
+
+OreManager *EmergeManager::getWritableOreManager()
+{
+ FATAL_ERROR_IF(!m_mapgens.empty(),
+ "Writable managers can only be returned before mapgen init");
+ return oremgr;
+}
- this->mgparams = params;
+DecorationManager *EmergeManager::getWritableDecorationManager()
+{
+ FATAL_ERROR_IF(!m_mapgens.empty(),
+ "Writable managers can only be returned before mapgen init");
+ return decomgr;
+}
+
+SchematicManager *EmergeManager::getWritableSchematicManager()
+{
+ FATAL_ERROR_IF(!m_mapgens.empty(),
+ "Writable managers can only be returned before mapgen init");
+ return schemmgr;
+}
+
+
+void EmergeManager::initMapgens(MapgenParams *params)
+{
+ FATAL_ERROR_IF(!m_mapgens.empty(), "Mapgen already initialised.");
+
+ 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++) {
- Mapgen *mg = Mapgen::createMapgen(params->mgtype, i, params, this);
- m_mapgens.push_back(mg);
+ 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 true;
}
Mapgen *EmergeManager::getCurrentMapgen()
{
if (!m_threads_active)
- return NULL;
+ 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 NULL;
+ return nullptr;
}
bool EmergeManager::enqueueBlockEmerge(
- u16 peer_id,
+ session_t peer_id,
v3s16 blockpos,
bool allow_generate,
bool ignore_queue_limits)
bool EmergeManager::enqueueBlockEmergeEx(
v3s16 blockpos,
- u16 peer_id,
+ session_t peer_id,
u16 flags,
EmergeCompletionCallback callback,
void *callback_param)
}
+bool EmergeManager::isBlockInQueue(v3s16 pos)
+{
+ MutexAutoLock queuelock(m_queue_mutex);
+ return m_blocks_enqueued.find(pos) != m_blocks_enqueued.end();
+}
+
+
//
// Mapgen-related helper functions
//
int EmergeManager::getSpawnLevelAtPoint(v2s16 p)
{
- if (m_mapgens.size() == 0 || !m_mapgens[0]) {
+ if (m_mapgens.empty() || !m_mapgens[0]) {
errorstream << "EmergeManager: getSpawnLevelAtPoint() called"
" before mapgen init" << std::endl;
return 0;
int EmergeManager::getGroundLevelAtPoint(v2s16 p)
{
- if (m_mapgens.size() == 0 || !m_mapgens[0]) {
+ if (m_mapgens.empty() || !m_mapgens[0]) {
errorstream << "EmergeManager: getGroundLevelAtPoint() called"
" before mapgen init" << std::endl;
return 0;
// 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;
}
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;
}
}
*entry_already_exists = !findres.second;
if (callback)
- bedata.callbacks.push_back(std::make_pair(callback, callback_param));
+ bedata.callbacks.emplace_back(callback, callback_param);
if (*entry_already_exists) {
bedata.flags |= flags;
}
-EmergeThread::~EmergeThread()
-{
- //cancelPendingItems();
-}
-
-
void EmergeThread::signal()
{
m_queue_event.signal();
}
-bool EmergeThread::pushBlock(v3s16 pos)
+bool EmergeThread::pushBlock(const v3s16 &pos)
{
m_block_queue.push(pos);
return true;
}
-void EmergeThread::runCompletionCallbacks(
- v3s16 pos,
- EmergeAction action,
+void EmergeThread::runCompletionCallbacks(const v3s16 &pos, EmergeAction action,
const EmergeCallbackList &callbacks)
{
for (size_t i = 0; i != callbacks.size(); i++) {
EmergeAction EmergeThread::getBlockOrStartGen(
- v3s16 pos, bool allow_gen, MapBlock **block, BlockMakeData *bmdata)
+ const v3s16 &pos, bool allow_gen, MapBlock **block, BlockMakeData *bmdata)
{
MutexAutoLock envlock(m_server->m_env_mutex);
m_server->setAsyncFatalError("Lua: finishGen" + std::string(e.what()));
}
+ /*
+ Clear generate notifier events
+ */
+ m_mapgen->gennotify.clearEvents();
+
EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
/*
void *EmergeThread::run()
{
- DSTACK(FUNCTION_NAME);
BEGIN_DEBUG_EXCEPTION_HANDLER
v3s16 pos;
{
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);
if (block)
modified_blocks[pos] = block;
- if (modified_blocks.size() > 0)
+ if (!modified_blocks.empty())
m_server->SetBlocksNotSent(modified_blocks);
}
} catch (VersionMismatchException &e) {