Add emerge completion callback mechanism

Major refactor of emerge.cpp and Map::init/finishBlockMake
This commit is contained in:
kwolekr 2015-10-04 02:54:25 -04:00
parent 1f9c5a4a7b
commit 0850d3bb93
6 changed files with 624 additions and 572 deletions

View File

@ -20,77 +20,95 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "emerge.h"
#include "server.h"
#include <iostream>
#include <queue>
#include "threading/event.h"
#include "map.h"
#include "environment.h"
#include "util/container.h"
#include "util/thread.h"
#include "constants.h"
#include "voxel.h"
#include "threading/event.h"
#include "config.h"
#include "mapblock.h"
#include "serverobject.h"
#include "settings.h"
#include "scripting_game.h"
#include "profiler.h"
#include "constants.h"
#include "environment.h"
#include "log.h"
#include "nodedef.h"
#include "mg_biome.h"
#include "mg_ore.h"
#include "mg_decoration.h"
#include "mg_schematic.h"
#include "map.h"
#include "mapblock.h"
#include "mapgen_v5.h"
#include "mapgen_v6.h"
#include "mapgen_v7.h"
#include "mapgen_singlenode.h"
#include "mg_biome.h"
#include "mg_ore.h"
#include "mg_decoration.h"
#include "mg_schematic.h"
#include "nodedef.h"
#include "profiler.h"
#include "scripting_game.h"
#include "server.h"
#include "serverobject.h"
#include "settings.h"
#include "voxel.h"
struct MapgenDesc {
const char *name;
MapgenFactory *factory;
};
MapgenDesc reg_mapgens[] = {
class EmergeThread : public Thread {
public:
bool enable_mapgen_debug_info;
int id;
EmergeThread(Server *server, int ethreadid);
~EmergeThread();
void *run();
void signal();
// Requires queue mutex held
bool pushBlock(v3s16 pos);
void cancelPendingItems();
static void runCompletionCallbacks(
v3s16 pos, EmergeAction action,
const EmergeCallbackList &callbacks);
private:
Server *m_server;
ServerMap *m_map;
EmergeManager *m_emerge;
Mapgen *m_mapgen;
Event m_queue_event;
std::queue<v3s16> m_block_queue;
bool popBlockEmerge(v3s16 *pos, BlockEmergeData *bedata);
EmergeAction getBlockOrStartGen(
v3s16 pos, bool allow_gen, MapBlock **block, BlockMakeData *data);
MapBlock *finishGen(v3s16 pos, BlockMakeData *bmdata,
std::map<v3s16, MapBlock *> *modified_blocks);
friend class EmergeManager;
};
////
//// Built-in mapgens
////
MapgenDesc g_reg_mapgens[] = {
{"v5", new MapgenFactoryV5},
{"v6", new MapgenFactoryV6},
{"v7", new MapgenFactoryV7},
{"singlenode", new MapgenFactorySinglenode},
};
class EmergeThread : public Thread
{
public:
Server *m_server;
ServerMap *map;
EmergeManager *emerge;
Mapgen *mapgen;
bool enable_mapgen_debug_info;
int id;
Event qevent;
std::queue<v3s16> blockqueue;
EmergeThread(Server *server, int ethreadid):
m_server(server),
map(NULL),
emerge(NULL),
mapgen(NULL),
enable_mapgen_debug_info(false),
id(ethreadid)
{
name = "Emerge-" + itos(id);
}
void *run();
bool popBlockEmerge(v3s16 *pos, u8 *flags);
bool getBlockOrStartGen(v3s16 p, MapBlock **b,
BlockMakeData *data, bool allow_generate);
};
/////////////////////////////// Emerge Manager ////////////////////////////////
////
//// EmergeManager
////
EmergeManager::EmergeManager(IGameDef *gamedef)
{
@ -104,11 +122,11 @@ EmergeManager::EmergeManager(IGameDef *gamedef)
// 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->threads_active = false;
this->m_threads_active = false;
mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
// if unspecified, leave a proc for the main thread and one for
// If unspecified, 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))
@ -116,22 +134,22 @@ EmergeManager::EmergeManager(IGameDef *gamedef)
if (nthreads < 1)
nthreads = 1;
qlimit_total = g_settings->getU16("emergequeue_limit_total");
if (!g_settings->getU16NoEx("emergequeue_limit_diskonly", qlimit_diskonly))
qlimit_diskonly = nthreads * 5 + 1;
if (!g_settings->getU16NoEx("emergequeue_limit_generate", qlimit_generate))
qlimit_generate = nthreads + 1;
m_qlimit_total = g_settings->getU16("emergequeue_limit_total");
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))
m_qlimit_generate = nthreads + 1;
// don't trust user input for something very important like this
if (qlimit_total < 1)
qlimit_total = 1;
if (qlimit_diskonly < 1)
qlimit_diskonly = 1;
if (qlimit_generate < 1)
qlimit_generate = 1;
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;
for (s16 i = 0; i < nthreads; i++)
emergethread.push_back(new EmergeThread((Server *) gamedef, i));
m_threads.push_back(new EmergeThread((Server *)gamedef, i));
infostream << "EmergeManager: using " << nthreads << " threads" << std::endl;
}
@ -139,27 +157,25 @@ EmergeManager::EmergeManager(IGameDef *gamedef)
EmergeManager::~EmergeManager()
{
for (u32 i = 0; i != emergethread.size(); i++) {
if (threads_active) {
emergethread[i]->stop();
emergethread[i]->qevent.signal();
emergethread[i]->wait();
for (u32 i = 0; i != m_threads.size(); i++) {
EmergeThread *thread = m_threads[i];
if (m_threads_active) {
thread->stop();
thread->signal();
thread->wait();
}
delete emergethread[i];
delete mapgen[i];
delete thread;
delete m_mapgens[i];
}
emergethread.clear();
mapgen.clear();
delete biomemgr;
delete oremgr;
delete decomgr;
delete schemmgr;
if (params.sparams) {
delete params.sparams;
params.sparams = NULL;
}
delete params.sparams;
}
@ -171,33 +187,37 @@ void EmergeManager::loadMapgenParams()
void EmergeManager::initMapgens()
{
if (mapgen.size())
if (m_mapgens.size())
return;
MapgenFactory *mgfactory = getMapgenFactory(params.mg_name);
if (!mgfactory) {
errorstream << "EmergeManager: mapgen " << params.mg_name <<
" not registered; falling back to " << DEFAULT_MAPGEN << std::endl;
params.mg_name = DEFAULT_MAPGEN;
mgfactory = getMapgenFactory(params.mg_name);
FATAL_ERROR_IF(mgfactory == NULL, "Couldn't use any mapgen!");
}
if (!params.sparams) {
params.sparams = createMapgenParams(params.mg_name);
if (!params.sparams) {
params.mg_name = DEFAULT_MAPGEN;
params.sparams = createMapgenParams(params.mg_name);
assert(params.sparams);
}
params.sparams = mgfactory->createMapgenParams();
params.sparams->readParams(g_settings);
}
// Create the mapgens
for (u32 i = 0; i != emergethread.size(); i++) {
Mapgen *mg = createMapgen(params.mg_name, i, &params);
assert(mg);
mapgen.push_back(mg);
for (u32 i = 0; i != m_threads.size(); i++) {
Mapgen *mg = mgfactory->createMapgen(i, &params, this);
m_mapgens.push_back(mg);
}
}
Mapgen *EmergeManager::getCurrentMapgen()
{
for (u32 i = 0; i != emergethread.size(); i++) {
if (emergethread[i]->isSameThread())
return emergethread[i]->mapgen;
for (u32 i = 0; i != m_threads.size(); i++) {
if (m_threads[i]->isSameThread())
return m_threads[i]->m_mapgen;
}
return NULL;
@ -206,94 +226,81 @@ Mapgen *EmergeManager::getCurrentMapgen()
void EmergeManager::startThreads()
{
if (threads_active)
if (m_threads_active)
return;
for (u32 i = 0; i != emergethread.size(); i++)
emergethread[i]->start();
for (u32 i = 0; i != m_threads.size(); i++)
m_threads[i]->start();
threads_active = true;
m_threads_active = true;
}
void EmergeManager::stopThreads()
{
if (!threads_active)
if (!m_threads_active)
return;
// Request thread stop in parallel
for (u32 i = 0; i != emergethread.size(); i++) {
emergethread[i]->stop();
emergethread[i]->qevent.signal();
for (u32 i = 0; i != m_threads.size(); i++) {
m_threads[i]->stop();
m_threads[i]->signal();
}
// Then do the waiting for each
for (u32 i = 0; i != emergethread.size(); i++)
emergethread[i]->wait();
for (u32 i = 0; i != m_threads.size(); i++)
m_threads[i]->wait();
threads_active = false;
m_threads_active = false;
}
bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p,
bool allow_generate, bool force_queue_block)
bool EmergeManager::enqueueBlockEmerge(
u16 peer_id,
v3s16 blockpos,
bool allow_generate,
bool ignore_queue_limits)
{
std::map<v3s16, BlockEmergeData *>::const_iterator iter;
BlockEmergeData *bedata;
u16 count_global = 0;
u16 count_peer = 0;
u8 flags = 0;
int idx = 0;
u16 flags = 0;
if (allow_generate)
flags |= BLOCK_EMERGE_ALLOWGEN;
flags |= BLOCK_EMERGE_ALLOW_GEN;
if (ignore_queue_limits)
flags |= BLOCK_EMERGE_FORCE_QUEUE;
return enqueueBlockEmergeEx(blockpos, peer_id, flags, NULL, NULL);
}
bool EmergeManager::enqueueBlockEmergeEx(
v3s16 blockpos,
u16 peer_id,
u16 flags,
EmergeCompletionCallback callback,
void *callback_param)
{
EmergeThread *thread = NULL;
{
MutexAutoLock queuelock(queuemutex);
MutexAutoLock queuelock(m_queue_mutex);
count_global = blocks_enqueued.size();
count_peer = peer_queue_count[peer_id];
if (!pushBlockEmergeData(blockpos, peer_id, flags,
callback, callback_param))
return false;
if (!force_queue_block) {
if (count_global >= qlimit_total)
return false;
u16 qlimit_peer = allow_generate ? qlimit_generate : qlimit_diskonly;
if (count_peer >= qlimit_peer)
return false;
}
iter = blocks_enqueued.find(p);
if (iter != blocks_enqueued.end()) {
bedata = iter->second;
bedata->flags |= flags;
return true;
}
bedata = new BlockEmergeData;
bedata->flags = flags;
bedata->peer_requested = peer_id;
blocks_enqueued.insert(std::make_pair(p, bedata));
peer_queue_count[peer_id] = count_peer + 1;
// insert into the EmergeThread queue with the least items
int lowestitems = emergethread[0]->blockqueue.size();
for (u32 i = 1; i != emergethread.size(); i++) {
int nitems = emergethread[i]->blockqueue.size();
if (nitems < lowestitems) {
idx = i;
lowestitems = nitems;
}
}
emergethread[idx]->blockqueue.push(p);
thread = getOptimalThread();
thread->pushBlock(blockpos);
}
emergethread[idx]->qevent.signal();
thread->signal();
return true;
}
//
// Mapgen-related helper functions
//
v3s16 EmergeManager::getContainingChunk(v3s16 blockpos)
{
return getContainingChunk(blockpos, params.chunksize);
@ -312,129 +319,297 @@ v3s16 EmergeManager::getContainingChunk(v3s16 blockpos, s16 chunksize)
int EmergeManager::getGroundLevelAtPoint(v2s16 p)
{
if (mapgen.size() == 0 || !mapgen[0]) {
if (m_mapgens.size() == 0 || !m_mapgens[0]) {
errorstream << "EmergeManager: getGroundLevelAtPoint() called"
" before mapgen initialized" << std::endl;
" before mapgen init" << std::endl;
return 0;
}
return mapgen[0]->getGroundLevelAtPoint(p);
return m_mapgens[0]->getGroundLevelAtPoint(p);
}
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
//yuck, but then again, should i bother being accurate?
//the height of the nodes in a single block is quite variable
// Use a simple heuristic; the above method is wildly inaccurate anyway.
return blockpos.Y * (MAP_BLOCKSIZE + 1) <= params.water_level;
}
void EmergeManager::getMapgenNames(std::list<const char *> &mgnames)
void EmergeManager::getMapgenNames(std::vector<const char *> *mgnames)
{
for (u32 i = 0; i != ARRLEN(reg_mapgens); i++)
mgnames.push_back(reg_mapgens[i].name);
for (u32 i = 0; i != ARRLEN(g_reg_mapgens); i++)
mgnames->push_back(g_reg_mapgens[i].name);
}
Mapgen *EmergeManager::createMapgen(const std::string &mgname, int mgid,
MapgenParams *mgparams)
MapgenFactory *EmergeManager::getMapgenFactory(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;
for (u32 i = 0; i != ARRLEN(g_reg_mapgens); i++) {
if (mgname == g_reg_mapgens[i].name)
return g_reg_mapgens[i].factory;
}
MapgenFactory *mgfactory = reg_mapgens[i].factory;
return mgfactory->createMapgen(mgid, mgparams, this);
return NULL;
}
MapgenSpecificParams *EmergeManager::createMapgenParams(const std::string &mgname)
bool EmergeManager::pushBlockEmergeData(
v3s16 pos,
u16 peer_requested,
u16 flags,
EmergeCompletionCallback callback,
void *callback_param)
{
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;
u16 &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) ?
m_qlimit_generate : m_qlimit_diskonly;
if (count_peer >= qlimit_peer)
return false;
}
}
MapgenFactory *mgfactory = reg_mapgens[i].factory;
return mgfactory->createMapgenParams();
}
std::pair<std::map<v3s16, BlockEmergeData>::iterator, bool> findres;
findres = m_blocks_enqueued.insert(std::make_pair(pos, BlockEmergeData()));
BlockEmergeData &bedata = findres.first->second;
bool update_existing = !findres.second;
////////////////////////////// Emerge Thread //////////////////////////////////
if (callback)
bedata.callbacks.push_back(std::make_pair(callback, callback_param));
bool EmergeThread::popBlockEmerge(v3s16 *pos, u8 *flags)
{
std::map<v3s16, BlockEmergeData *>::iterator iter;
MutexAutoLock queuelock(emerge->queuemutex);
if (update_existing) {
bedata.flags |= flags;
} else {
bedata.flags = flags;
bedata.peer_requested = peer_requested;
if (blockqueue.empty())
return false;
v3s16 p = blockqueue.front();
blockqueue.pop();
*pos = p;
iter = emerge->blocks_enqueued.find(p);
if (iter == emerge->blocks_enqueued.end())
return false; //uh oh, queue and map out of sync!!
BlockEmergeData *bedata = iter->second;
*flags = bedata->flags;
emerge->peer_queue_count[bedata->peer_requested]--;
delete bedata;
emerge->blocks_enqueued.erase(iter);
count_peer++;
}
return true;
}
bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b,
BlockMakeData *data, bool allow_gen)
bool EmergeManager::popBlockEmergeData(
v3s16 pos,
BlockEmergeData *bedata)
{
std::map<v3s16, BlockEmergeData>::iterator it;
std::map<u16, u16>::iterator it2;
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);
if (it2 == m_peer_queue_count.end())
return false;
u16 &count_peer = it2->second;
assert(count_peer != 0);
count_peer--;
m_blocks_enqueued.erase(it);
return true;
}
EmergeThread *EmergeManager::getOptimalThread()
{
size_t nthreads = m_threads.size();
FATAL_ERROR_IF(nthreads == 0, "No emerge threads!");
size_t index = 0;
size_t nitems_lowest = m_threads[0]->m_block_queue.size();
for (size_t i = 1; i < nthreads; i++) {
size_t nitems = m_threads[i]->m_block_queue.size();
if (nitems < nitems_lowest) {
index = i;
nitems_lowest = nitems;
}
}
return m_threads[index];
}
////
//// EmergeThread
////
EmergeThread::EmergeThread(Server *server, int ethreadid) :
enable_mapgen_debug_info(false),
id(ethreadid),
m_server(server),
m_map(NULL),
m_emerge(NULL),
m_mapgen(NULL)
{
name = "Emerge-" + itos(ethreadid);
}
EmergeThread::~EmergeThread()
{
//cancelPendingItems();
}
void EmergeThread::signal()
{
m_queue_event.signal();
}
bool EmergeThread::pushBlock(v3s16 pos)
{
m_block_queue.push(pos);
return true;
}
void EmergeThread::cancelPendingItems()
{
MutexAutoLock queuelock(m_emerge->m_queue_mutex);
while (!m_block_queue.empty()) {
BlockEmergeData bedata;
v3s16 pos;
pos = m_block_queue.front();
m_block_queue.pop();
m_emerge->popBlockEmergeData(pos, &bedata);
runCompletionCallbacks(pos, EMERGE_CANCELLED, bedata.callbacks);
}
}
void EmergeThread::runCompletionCallbacks(
v3s16 pos,
EmergeAction action,
const EmergeCallbackList &callbacks)
{
for (size_t i = 0; i != callbacks.size(); i++) {
EmergeCompletionCallback callback;
void *param;
callback = callbacks[i].first;
param = callbacks[i].second;
callback(pos, action, param);
}
}
bool EmergeThread::popBlockEmerge(v3s16 *pos, BlockEmergeData *bedata)
{
MutexAutoLock queuelock(m_emerge->m_queue_mutex);
if (m_block_queue.empty())
return false;
*pos = m_block_queue.front();
m_block_queue.pop();
m_emerge->popBlockEmergeData(*pos, bedata);
return true;
}
EmergeAction EmergeThread::getBlockOrStartGen(
v3s16 pos, bool allow_gen, MapBlock **block, BlockMakeData *bmdata)
{
v2s16 p2d(p.X, p.Z);
//envlock: usually takes <=1ms, sometimes 90ms or ~400ms to acquire
MutexAutoLock envlock(m_server->m_env_mutex);
// Load sector if it isn't loaded
if (map->getSectorNoGenerateNoEx(p2d) == NULL)
map->loadSectorMeta(p2d);
// 1). Attempt to fetch block from memory
*block = m_map->getBlockNoCreateNoEx(pos);
if (*block && !(*block)->isDummy() && (*block)->isGenerated())
return EMERGE_FROM_MEMORY;
// Attempt to load block
MapBlock *block = map->getBlockNoCreateNoEx(p);
if (!block || block->isDummy() || !block->isGenerated()) {
EMERGE_DBG_OUT("not in memory, attempting to load from disk");
block = map->loadBlock(p);
if (block && block->isGenerated())
map->prepareBlock(block);
// 2). Attempt to load block from disk
*block = m_map->loadBlock(pos);
if (*block && (*block)->isGenerated())
return EMERGE_FROM_DISK;
// 3). Attempt to start generation
if (allow_gen && m_map->initBlockMake(pos, bmdata))
return EMERGE_GENERATED;
// All attempts failed; cancel this block emerge
return EMERGE_CANCELLED;
}
MapBlock *EmergeThread::finishGen(v3s16 pos, BlockMakeData *bmdata,
std::map<v3s16, MapBlock *> *modified_blocks)
{
MutexAutoLock envlock(m_server->m_env_mutex);
ScopeProfiler sp(g_profiler,
"EmergeThread: after Mapgen::makeChunk", SPT_AVG);
/*
Perform post-processing on blocks (invalidate lighting, queue liquid
transforms, etc.) to finish block make
*/
m_map->finishBlockMake(bmdata, modified_blocks);
MapBlock *block = m_map->getBlockNoCreateNoEx(pos);
if (!block) {
errorstream << "EmergeThread::finishGen: Couldn't grab block we "
"just generated: " << PP(pos) << std::endl;
return NULL;
}
// If could not load and allowed to generate,
// start generation inside this same envlock
if (allow_gen && (block == NULL || !block->isGenerated())) {
EMERGE_DBG_OUT("generating");
*b = block;
return map->initBlockMake(data, p);
v3s16 minp = bmdata->blockpos_min * MAP_BLOCKSIZE;
v3s16 maxp = bmdata->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));
/*
Run Lua on_generated callbacks
*/
try {
m_server->getScriptIface()->environment_OnGenerated(
minp, maxp, m_mapgen->blockseed);
} catch (LuaError &e) {
m_server->setAsyncFatalError("Lua: " + std::string(e.what()));
}
*b = block;
return false;
EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
/*
Activate the block
*/
m_server->m_env->activateBlock(block, 0);
return block;
}
@ -443,108 +618,68 @@ void *EmergeThread::run()
DSTACK(__FUNCTION_NAME);
BEGIN_DEBUG_EXCEPTION_HANDLER
v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
v3s16 p;
u8 flags = 0;
v3s16 pos;
map = (ServerMap *)&(m_server->m_env->getMap());
emerge = m_server->m_emerge;
mapgen = emerge->mapgen[id];
enable_mapgen_debug_info = emerge->mapgen_debug_info;
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;
while (!stopRequested())
try {
if (!popBlockEmerge(&p, &flags)) {
qevent.wait();
while (!stopRequested()) {
std::map<v3s16, MapBlock *> modified_blocks;
BlockEmergeData bedata;
BlockMakeData bmdata;
EmergeAction action;
MapBlock *block;
if (!popBlockEmerge(&pos, &bedata)) {
m_queue_event.wait();
continue;
}
last_tried_pos = p;
if (blockpos_over_limit(p))
if (blockpos_over_limit(pos))
continue;
bool allow_generate = flags & BLOCK_EMERGE_ALLOWGEN;
EMERGE_DBG_OUT("p=" PP(p) " allow_generate=" << allow_generate);
bool allow_gen = bedata.flags & BLOCK_EMERGE_ALLOW_GEN;
EMERGE_DBG_OUT("pos=" PP(pos) " allow_gen=" << allow_gen);
/*
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) {
action = getBlockOrStartGen(pos, allow_gen, &block, &bmdata);
if (action == EMERGE_GENERATED) {
{
ScopeProfiler sp(g_profiler, "EmergeThread: Mapgen::makeChunk", SPT_AVG);
ScopeProfiler sp(g_profiler,
"EmergeThread: Mapgen::makeChunk", SPT_AVG);
TimeTaker t("mapgen::make_block()");
mapgen->makeChunk(&data);
m_mapgen->makeChunk(&bmdata);
if (enable_mapgen_debug_info == false)
t.stop(true); // Hide output
}
{
//envlock: usually 0ms, but can take either 30 or 400ms to acquire
MutexAutoLock 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("Lua: " + std::string(e.what()));
}
EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
m_server->m_env->activateBlock(block, 0);
}
}
block = finishGen(pos, &bmdata, &modified_blocks);
}
/*
Set sent status of modified blocks on clients
*/
// Add the originally fetched block to the modified list
runCompletionCallbacks(pos, action, bedata.callbacks);
if (block)
modified_blocks[p] = block;
modified_blocks[pos] = block;
if (modified_blocks.size() > 0) {
if (modified_blocks.size() > 0)
m_server->SetBlocksNotSent(modified_blocks);
}
}
catch (VersionMismatchException &e) {
} catch (VersionMismatchException &e) {
std::ostringstream err;
err << "World data version mismatch in MapBlock " << PP(last_tried_pos) << std::endl
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;
m_server->setAsyncFatalError(err.str());
}
catch (SerializationError &e) {
} catch (SerializationError &e) {
std::ostringstream err;
err << "Invalid data in MapBlock " << PP(last_tried_pos) << std::endl
err << "Invalid data in MapBlock " << PP(pos) << std::endl
<< "----" << std::endl
<< "\"" << e.what() << "\"" << std::endl
<< "See debug.txt." << std::endl
@ -553,23 +688,6 @@ void *EmergeThread::run()
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)
return NULL;
}

View File

@ -26,13 +26,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "mapgen.h" // for MapgenParams
#include "map.h"
#define BLOCK_EMERGE_ALLOWGEN (1<<0)
#define BLOCK_EMERGE_ALLOW_GEN (1 << 0)
#define BLOCK_EMERGE_FORCE_QUEUE (1 << 1)
#define EMERGE_DBG_OUT(x) \
do { \
if (enable_mapgen_debug_info) \
infostream << "EmergeThread: " x << std::endl; \
} while (0)
#define EMERGE_DBG_OUT(x) do { \
if (enable_mapgen_debug_info) \
infostream << "EmergeThread: " x << std::endl; \
} while (0)
class EmergeThread;
class INodeDefManager;
@ -43,6 +43,7 @@ class OreManager;
class DecorationManager;
class SchematicManager;
// Structure containing inputs/outputs for chunk generation
struct BlockMakeData {
MMVManip *vmanip;
u64 seed;
@ -61,64 +62,106 @@ struct BlockMakeData {
~BlockMakeData() { delete vmanip; }
};
// Result from processing an item on the emerge queue
enum EmergeAction {
EMERGE_CANCELLED,
EMERGE_ERRORED,
EMERGE_FROM_MEMORY,
EMERGE_FROM_DISK,
EMERGE_GENERATED,
};
// Callback
typedef void (*EmergeCompletionCallback)(
v3s16 blockpos, EmergeAction action, void *param);
typedef std::vector<
std::pair<
EmergeCompletionCallback,
void *
>
> EmergeCallbackList;
struct BlockEmergeData {
u16 peer_requested;
u8 flags;
u16 flags;
EmergeCallbackList callbacks;
};
class EmergeManager {
public:
INodeDefManager *ndef;
bool enable_mapgen_debug_info;
std::vector<Mapgen *> mapgen;
std::vector<EmergeThread *> emergethread;
bool threads_active;
//settings
MapgenParams params;
bool mapgen_debug_info;
u16 qlimit_total;
u16 qlimit_diskonly;
u16 qlimit_generate;
// Generation Notify
u32 gen_notify_on;
std::set<u32> gen_notify_on_deco_ids;
//// Block emerge queue data structures
Mutex queuemutex;
std::map<v3s16, BlockEmergeData *> blocks_enqueued;
std::map<u16, u16> peer_queue_count;
// Map generation parameters
MapgenParams params;
//// Managers of map generation-related components
// Managers of various map generation-related components
BiomeManager *biomemgr;
OreManager *oremgr;
DecorationManager *decomgr;
SchematicManager *schemmgr;
//// Methods
// Methods
EmergeManager(IGameDef *gamedef);
~EmergeManager();
void loadMapgenParams();
static MapgenSpecificParams *createMapgenParams(const std::string &mgname);
void initMapgens();
Mapgen *getCurrentMapgen();
Mapgen *createMapgen(const std::string &mgname, int mgid,
MapgenParams *mgparams);
static void getMapgenNames(std::list<const char *> &mgnames);
void startThreads();
void stopThreads();
bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate,
bool force_queue_block=false);
bool enqueueBlockEmerge(
u16 peer_id,
v3s16 blockpos,
bool allow_generate,
bool ignore_queue_limits=false);
bool enqueueBlockEmergeEx(
v3s16 blockpos,
u16 peer_id,
u16 flags,
EmergeCompletionCallback callback,
void *callback_param);
v3s16 getContainingChunk(v3s16 blockpos);
static v3s16 getContainingChunk(v3s16 blockpos, s16 chunksize);
// mapgen helper methods
Mapgen *getCurrentMapgen();
// Mapgen helpers methods
Biome *getBiomeAtPoint(v3s16 p);
int getGroundLevelAtPoint(v2s16 p);
bool isBlockUnderground(v3s16 blockpos);
static MapgenFactory *getMapgenFactory(const std::string &mgname);
static void getMapgenNames(std::vector<const char *> *mgnames);
static v3s16 getContainingChunk(v3s16 blockpos, s16 chunksize);
private:
std::vector<Mapgen *> m_mapgens;
std::vector<EmergeThread *> m_threads;
bool m_threads_active;
Mutex m_queue_mutex;
std::map<v3s16, BlockEmergeData> m_blocks_enqueued;
std::map<u16, u16> m_peer_queue_count;
u16 m_qlimit_total;
u16 m_qlimit_diskonly;
u16 m_qlimit_generate;
// Requires m_queue_mutex held
EmergeThread *getOptimalThread();
bool pushBlockEmergeData(v3s16 pos, u16 peer_requested, u16 flags,
EmergeCompletionCallback callback, void *callback_param);
bool popBlockEmergeData(v3s16 pos, BlockEmergeData *bedata);
friend class EmergeThread;
};
#endif

View File

@ -2254,70 +2254,51 @@ s16 ServerMap::getWaterLevel()
return m_emerge->params.water_level;
}
bool ServerMap::initBlockMake(BlockMakeData *data, v3s16 blockpos)
bool ServerMap::initBlockMake(v3s16 blockpos, BlockMakeData *data)
{
bool enable_mapgen_debug_info = m_emerge->mapgen_debug_info;
EMERGE_DBG_OUT("initBlockMake(): " PP(blockpos) " - " PP(blockpos));
s16 csize = m_emerge->params.chunksize;
v3s16 blockpos_min = EmergeManager::getContainingChunk(blockpos, csize);
v3s16 blockpos_max = blockpos_min + v3s16(1, 1, 1) * (csize - 1);
v3s16 bpmin = EmergeManager::getContainingChunk(blockpos, csize);
v3s16 bpmax = bpmin + v3s16(1, 1, 1) * (csize - 1);
v3s16 extra_borders(1,1,1);
bool enable_mapgen_debug_info = m_emerge->enable_mapgen_debug_info;
EMERGE_DBG_OUT("initBlockMake(): " PP(bpmin) " - " PP(bpmax));
v3s16 extra_borders(1, 1, 1);
v3s16 full_bpmin = bpmin - extra_borders;
v3s16 full_bpmax = bpmax + extra_borders;
// Do nothing if not inside limits (+-1 because of neighbors)
if(blockpos_over_limit(blockpos_min - extra_borders) ||
blockpos_over_limit(blockpos_max + extra_borders))
if (blockpos_over_limit(full_bpmin) ||
blockpos_over_limit(full_bpmax))
return false;
data->seed = m_emerge->params.seed;
data->blockpos_min = blockpos_min;
data->blockpos_max = blockpos_max;
data->blockpos_min = bpmin;
data->blockpos_max = bpmax;
data->blockpos_requested = blockpos;
data->nodedef = m_gamedef->ndef();
/*
Create the whole area of this and the neighboring blocks
*/
{
//TimeTaker timer("initBlockMake() create area");
for (s16 x = full_bpmin.X; x <= full_bpmax.X; x++)
for (s16 z = full_bpmin.Z; z <= full_bpmax.Z; z++) {
v2s16 sectorpos(x, z);
// Sector metadata is loaded from disk if not already loaded.
ServerMapSector *sector = createSector(sectorpos);
FATAL_ERROR_IF(sector == NULL, "createSector() failed");
for(s16 x=blockpos_min.X-extra_borders.X;
x<=blockpos_max.X+extra_borders.X; x++)
for(s16 z=blockpos_min.Z-extra_borders.Z;
z<=blockpos_max.Z+extra_borders.Z; z++)
{
v2s16 sectorpos(x, z);
// Sector metadata is loaded from disk if not already loaded.
ServerMapSector *sector = createSector(sectorpos);
FATAL_ERROR_IF(sector == NULL, "createSector() failed");
(void) sector;
for (s16 y = full_bpmin.Y; y <= full_bpmax.Y; y++) {
v3s16 p(x, y, z);
for(s16 y=blockpos_min.Y-extra_borders.Y;
y<=blockpos_max.Y+extra_borders.Y; y++)
{
v3s16 p(x,y,z);
//MapBlock *block = createBlock(p);
// 1) get from memory, 2) load from disk
MapBlock *block = emergeBlock(p, false);
// 3) create a blank one
if(block == NULL)
{
block = createBlock(p);
MapBlock *block = emergeBlock(p, false);
if (block == NULL) {
block = createBlock(p);
/*
Block gets sunlight if this is true.
Refer to the map generator heuristics.
*/
bool ug = m_emerge->isBlockUnderground(p);
block->setIsUnderground(ug);
}
// Lighting will not be valid after make_chunk is called
block->setLightingExpired(true);
// Lighting will be calculated
//block->setLightingExpired(false);
// Block gets sunlight if this is true.
// Refer to the map generator heuristics.
bool ug = m_emerge->isBlockUnderground(p);
block->setIsUnderground(ug);
}
}
}
@ -2329,21 +2310,14 @@ bool ServerMap::initBlockMake(BlockMakeData *data, v3s16 blockpos)
neighboring blocks
*/
// The area that contains this block and it's neighbors
v3s16 bigarea_blocks_min = blockpos_min - extra_borders;
v3s16 bigarea_blocks_max = blockpos_max + extra_borders;
data->vmanip = new MMVManip(this);
//data->vmanip->setMap(this);
data->vmanip->initialEmerge(full_bpmin, full_bpmax);
// Add the area
{
//TimeTaker timer("initBlockMake() initialEmerge");
data->vmanip->initialEmerge(bigarea_blocks_min, bigarea_blocks_max);
}
// Ensure none of the blocks to be generated were marked as containing CONTENT_IGNORE
/* for (s16 z = blockpos_min.Z; z <= blockpos_max.Z; z++) {
// Note: we may need this again at some point.
#if 0
// Ensure none of the blocks to be generated were marked as
// containing CONTENT_IGNORE
for (s16 z = blockpos_min.Z; z <= blockpos_max.Z; z++) {
for (s16 y = blockpos_min.Y; y <= blockpos_max.Y; y++) {
for (s16 x = blockpos_min.X; x <= blockpos_max.X; x++) {
core::map<v3s16, u8>::Node *n;
@ -2355,124 +2329,62 @@ bool ServerMap::initBlockMake(BlockMakeData *data, v3s16 blockpos)
n->setValue(flags);
}
}
}*/
}
#endif
// Data is ready now.
return true;
}
void ServerMap::finishBlockMake(BlockMakeData *data,
std::map<v3s16, MapBlock*> &changed_blocks)
std::map<v3s16, MapBlock*> *changed_blocks)
{
v3s16 blockpos_min = data->blockpos_min;
v3s16 blockpos_max = data->blockpos_max;
v3s16 blockpos_requested = data->blockpos_requested;
/*infostream<<"finishBlockMake(): ("<<blockpos_requested.X<<","
<<blockpos_requested.Y<<","
<<blockpos_requested.Z<<")"<<std::endl;*/
v3s16 bpmin = data->blockpos_min;
v3s16 bpmax = data->blockpos_max;
v3s16 extra_borders(1,1,1);
v3s16 extra_borders(1, 1, 1);
v3s16 full_bpmin = bpmin - extra_borders;
v3s16 full_bpmax = bpmax + extra_borders;
bool enable_mapgen_debug_info = m_emerge->mapgen_debug_info;
bool enable_mapgen_debug_info = m_emerge->enable_mapgen_debug_info;
EMERGE_DBG_OUT("finishBlockMake(): " PP(bpmin) " - " PP(bpmax));
/*infostream<<"Resulting vmanip:"<<std::endl;
data->vmanip.print(infostream);*/
/*
Set lighting to non-expired state in all of them.
This is cheating, but it is not fast enough if all of them
would actually be updated.
*/
for (s16 x = full_bpmin.X; x <= full_bpmax.X; x++)
for (s16 z = full_bpmin.Z; z <= full_bpmax.Z; z++)
for (s16 y = full_bpmin.Y; y <= full_bpmax.Y; y++) {
MapBlock *block = emergeBlock(v3s16(x, y, z), false);
if (!block)
continue;
// Make sure affected blocks are loaded
for(s16 x=blockpos_min.X-extra_borders.X;
x<=blockpos_max.X+extra_borders.X; x++)
for(s16 z=blockpos_min.Z-extra_borders.Z;
z<=blockpos_max.Z+extra_borders.Z; z++)
for(s16 y=blockpos_min.Y-extra_borders.Y;
y<=blockpos_max.Y+extra_borders.Y; y++)
{
v3s16 p(x, y, z);
// Load from disk if not already in memory
emergeBlock(p, false);
block->setLightingExpired(false);
}
/*
Blit generated stuff to map
NOTE: blitBackAll adds nearly everything to changed_blocks
*/
{
// 70ms @cs=8
//TimeTaker timer("finishBlockMake() blitBackAll");
data->vmanip->blitBackAll(&changed_blocks);
}
data->vmanip->blitBackAll(changed_blocks);
EMERGE_DBG_OUT("finishBlockMake: changed_blocks.size()=" << changed_blocks.size());
EMERGE_DBG_OUT("finishBlockMake: changed_blocks.size()="
<< changed_blocks->size());
/*
Copy transforming liquid information
*/
while(data->transforming_liquid.size() > 0)
{
while (data->transforming_liquid.size()) {
m_transforming_liquid.push_back(data->transforming_liquid.front());
data->transforming_liquid.pop_front();
}
/*
Do stuff in central blocks
*/
/*
Update lighting
*/
{
#if 0
TimeTaker t("finishBlockMake lighting update");
core::map<v3s16, MapBlock*> lighting_update_blocks;
// Center blocks
for(s16 x=blockpos_min.X-extra_borders.X;
x<=blockpos_max.X+extra_borders.X; x++)
for(s16 z=blockpos_min.Z-extra_borders.Z;
z<=blockpos_max.Z+extra_borders.Z; z++)
for(s16 y=blockpos_min.Y-extra_borders.Y;
y<=blockpos_max.Y+extra_borders.Y; y++)
{
v3s16 p(x, y, z);
MapBlock *block = getBlockNoCreateNoEx(p);
assert(block);
lighting_update_blocks.insert(block->getPos(), block);
}
updateLighting(lighting_update_blocks, changed_blocks);
#endif
/*
Set lighting to non-expired state in all of them.
This is cheating, but it is not fast enough if all of them
would actually be updated.
*/
for(s16 x=blockpos_min.X-extra_borders.X;
x<=blockpos_max.X+extra_borders.X; x++)
for(s16 z=blockpos_min.Z-extra_borders.Z;
z<=blockpos_max.Z+extra_borders.Z; z++)
for(s16 y=blockpos_min.Y-extra_borders.Y;
y<=blockpos_max.Y+extra_borders.Y; y++)
{
v3s16 p(x, y, z);
MapBlock * block = getBlockNoCreateNoEx(p);
if (block != NULL)
block->setLightingExpired(false);
}
#if 0
if(enable_mapgen_debug_info == false)
t.stop(true); // Hide output
#endif
}
/*
Go through changed blocks
*/
for(std::map<v3s16, MapBlock*>::iterator i = changed_blocks.begin();
i != changed_blocks.end(); ++i)
{
MapBlock *block = i->second;
for (std::map<v3s16, MapBlock *>::iterator
it = changed_blocks->begin();
it != changed_blocks->end(); ++it) {
MapBlock *block = it->second;
if (!block)
continue;
/*
@ -2489,14 +2401,13 @@ void ServerMap::finishBlockMake(BlockMakeData *data,
/*
Set central blocks as generated
*/
for(s16 x=blockpos_min.X; x<=blockpos_max.X; x++)
for(s16 z=blockpos_min.Z; z<=blockpos_max.Z; z++)
for(s16 y=blockpos_min.Y; y<=blockpos_max.Y; y++)
{
v3s16 p(x, y, z);
MapBlock *block = getBlockNoCreateNoEx(p);
for (s16 x = bpmin.X; x <= bpmax.X; x++)
for (s16 z = bpmin.Z; z <= bpmax.Z; z++)
for (s16 y = bpmin.Y; y <= bpmax.Y; y++) {
MapBlock *block = getBlockNoCreateNoEx(v3s16(x, y, z));
if (!block)
continue;
block->setGenerated(true);
}
@ -2505,39 +2416,9 @@ void ServerMap::finishBlockMake(BlockMakeData *data,
NOTE: Will be saved later.
*/
//save(MOD_STATE_WRITE_AT_UNLOAD);
/*infostream<<"finishBlockMake() done for ("<<blockpos_requested.X
<<","<<blockpos_requested.Y<<","
<<blockpos_requested.Z<<")"<<std::endl;*/
#if 0
if(enable_mapgen_debug_info)
{
/*
Analyze resulting blocks
*/
/*for(s16 x=blockpos_min.X-1; x<=blockpos_max.X+1; x++)
for(s16 z=blockpos_min.Z-1; z<=blockpos_max.Z+1; z++)
for(s16 y=blockpos_min.Y-1; y<=blockpos_max.Y+1; y++)*/
for(s16 x=blockpos_min.X-0; x<=blockpos_max.X+0; x++)
for(s16 z=blockpos_min.Z-0; z<=blockpos_max.Z+0; z++)
for(s16 y=blockpos_min.Y-0; y<=blockpos_max.Y+0; y++)
{
v3s16 p = v3s16(x,y,z);
MapBlock *block = getBlockNoCreateNoEx(p);
char spos[20];
snprintf(spos, 20, "(%2d,%2d,%2d)", x, y, z);
infostream<<"Generated "<<spos<<": "
<<analyze_block(block)<<std::endl;
}
}
#endif
getBlockNoCreateNoEx(blockpos_requested);
}
ServerMapSector * ServerMap::createSector(v2s16 p2d)
ServerMapSector *ServerMap::createSector(v2s16 p2d)
{
DSTACKF("%s: p2d=(%d,%d)",
__FUNCTION_NAME,
@ -3333,7 +3214,10 @@ bool ServerMap::loadSectorFull(v2s16 p2d)
}
#endif
Database *ServerMap::createDatabase(const std::string &name, const std::string &savedir, Settings &conf)
Database *ServerMap::createDatabase(
const std::string &name,
const std::string &savedir,
Settings &conf)
{
if (name == "sqlite3")
return new Database_SQLite3(savedir);
@ -3578,6 +3462,7 @@ MapBlock* ServerMap::loadBlock(v3s16 blockpos)
/*
Make sure sector is loaded
*/
MapSector *sector = getSectorNoGenerateNoEx(p2d);
if(sector == NULL)
{

View File

@ -393,21 +393,21 @@ public:
- Check disk (doesn't load blocks)
- Create blank one
*/
ServerMapSector * createSector(v2s16 p);
ServerMapSector *createSector(v2s16 p);
/*
Blocks are generated by using these and makeBlock().
*/
bool initBlockMake(BlockMakeData *data, v3s16 blockpos);
bool initBlockMake(v3s16 blockpos, BlockMakeData *data);
void finishBlockMake(BlockMakeData *data,
std::map<v3s16, MapBlock*> &changed_blocks);
std::map<v3s16, MapBlock*> *changed_blocks);
/*
Get a block from somewhere.
- Memory
- Create blank
*/
MapBlock * createBlock(v3s16 p);
MapBlock *createBlock(v3s16 p);
/*
Forcefully get a block from somewhere.

View File

@ -61,8 +61,9 @@ FlagDesc flagdesc_gennotify[] = {
};
///////////////////////////////////////////////////////////////////////////////
////
//// Mapgen
////
Mapgen::Mapgen()
{
@ -340,8 +341,9 @@ void Mapgen::spreadLight(v3s16 nmin, v3s16 nmax)
}
///////////////////////////////////////////////////////////////////////////////
////
//// GenerateNotifier
////
GenerateNotifier::GenerateNotifier()
{
@ -407,7 +409,10 @@ void GenerateNotifier::getEvents(
m_notify_events.clear();
}
///////////////////////////////////////////////////////////////////////////////
////
//// MapgenParams
////
void MapgenParams::load(const Settings &settings)
{
@ -429,9 +434,11 @@ void MapgenParams::load(const Settings &settings)
settings.getNoiseParams("mg_biome_np_humidity_blend", np_biome_humidity_blend);
delete sparams;
sparams = EmergeManager::createMapgenParams(mg_name);
if (sparams)
MapgenFactory *mgfactory = EmergeManager::getMapgenFactory(mg_name);
if (mgfactory) {
sparams = mgfactory->createMapgenParams();
sparams->readParams(&settings);
}
}

View File

@ -706,16 +706,13 @@ int ModApiMainMenu::l_set_topleft_text(lua_State *L)
/******************************************************************************/
int ModApiMainMenu::l_get_mapgen_names(lua_State *L)
{
std::vector<const char *> names;
EmergeManager::getMapgenNames(&names);
lua_newtable(L);
std::list<const char *> names;
EmergeManager::getMapgenNames(names);
int i = 1;
for (std::list<const char *>::const_iterator
it = names.begin(); it != names.end(); ++it) {
lua_pushstring(L, *it);
lua_rawseti(L, -2, i++);
for (size_t i = 0; i != names.size(); i++) {
lua_pushstring(L, names[i]);
lua_rawseti(L, -2, i + 1);
}
return 1;
@ -725,8 +722,8 @@ int ModApiMainMenu::l_get_mapgen_names(lua_State *L)
/******************************************************************************/
int ModApiMainMenu::l_get_modpath(lua_State *L)
{
std::string modpath
= fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "mods" + DIR_DELIM);
std::string modpath = fs::RemoveRelativePathComponents(
porting::path_user + DIR_DELIM + "mods" + DIR_DELIM);
lua_pushstring(L, modpath.c_str());
return 1;
}
@ -734,8 +731,8 @@ int ModApiMainMenu::l_get_modpath(lua_State *L)
/******************************************************************************/
int ModApiMainMenu::l_get_gamepath(lua_State *L)
{
std::string gamepath
= fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "games" + DIR_DELIM);
std::string gamepath = fs::RemoveRelativePathComponents(
porting::path_user + DIR_DELIM + "games" + DIR_DELIM);
lua_pushstring(L, gamepath.c_str());
return 1;
}
@ -743,44 +740,46 @@ int ModApiMainMenu::l_get_gamepath(lua_State *L)
/******************************************************************************/
int ModApiMainMenu::l_get_texturepath(lua_State *L)
{
std::string gamepath
= fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "textures");
std::string gamepath = fs::RemoveRelativePathComponents(
porting::path_user + DIR_DELIM + "textures");
lua_pushstring(L, gamepath.c_str());
return 1;
}
int ModApiMainMenu::l_get_texturepath_share(lua_State *L)
{
std::string gamepath
= fs::RemoveRelativePathComponents(porting::path_share + DIR_DELIM + "textures");
std::string gamepath = fs::RemoveRelativePathComponents(
porting::path_share + DIR_DELIM + "textures");
lua_pushstring(L, gamepath.c_str());
return 1;
}
/******************************************************************************/
int ModApiMainMenu::l_create_dir(lua_State *L) {
const char *path = luaL_checkstring(L, 1);
const char *path = luaL_checkstring(L, 1);
if (ModApiMainMenu::isMinetestPath(path)) {
lua_pushboolean(L,fs::CreateAllDirs(path));
lua_pushboolean(L, fs::CreateAllDirs(path));
return 1;
}
lua_pushboolean(L,false);
lua_pushboolean(L, false);
return 1;
}
/******************************************************************************/
int ModApiMainMenu::l_delete_dir(lua_State *L)
{
const char *path = luaL_checkstring(L, 1);
const char *path = luaL_checkstring(L, 1);
std::string absolute_path = fs::RemoveRelativePathComponents(path);
if (ModApiMainMenu::isMinetestPath(absolute_path)) {
lua_pushboolean(L,fs::RecursiveDelete(absolute_path));
lua_pushboolean(L, fs::RecursiveDelete(absolute_path));
return 1;
}
lua_pushboolean(L,false);
lua_pushboolean(L, false);
return 1;
}