]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/emerge.cpp
Fix building under MSVC
[dragonfireclient.git] / src / emerge.cpp
index 09a58149d38f3e2a9fb7709db2807393f6c11664..ff00a0b62bf862aa8c616cf4d6c0f4b3e0e4d6b7 100644 (file)
@@ -19,12 +19,15 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 
+#include "emerge.h"
 #include "server.h"
 #include <iostream>
 #include <queue>
-#include "clientserver.h"
+#include "jthread/jevent.h"
 #include "map.h"
-#include "jmutexautolock.h"
+#include "environment.h"
+#include "util/container.h"
+#include "util/thread.h"
 #include "main.h"
 #include "constants.h"
 #include "voxel.h"
@@ -32,12 +35,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapblock.h"
 #include "serverobject.h"
 #include "settings.h"
-#include "cpp_api/scriptapi.h"
+#include "scripting_game.h"
 #include "profiler.h"
 #include "log.h"
 #include "nodedef.h"
 #include "biome.h"
-#include "emerge.h"
 #include "mapgen_v6.h"
 #include "mapgen_v7.h"
 #include "mapgen_indev.h"
@@ -45,28 +47,59 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapgen_math.h"
 
 
+class EmergeThread : public JThread
+{
+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):
+               JThread(),
+               m_server(server),
+               map(NULL),
+               emerge(NULL),
+               mapgen(NULL),
+               enable_mapgen_debug_info(false),
+               id(ethreadid)
+       {
+       }
+
+       void *Thread();
+       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("v6", new MapgenFactoryV6());
-       registerMapgen("v7", new MapgenFactoryV7());
-       registerMapgen("indev", new MapgenFactoryIndev());
+       registerMapgen("v6",         new MapgenFactoryV6());
+       registerMapgen("v7",         new MapgenFactoryV7());
+       registerMapgen("indev",      new MapgenFactoryIndev());
        registerMapgen("singlenode", new MapgenFactorySinglenode());
-       registerMapgen("math", new MapgenFactoryMath());
+       registerMapgen("math",       new MapgenFactoryMath());
 
        this->ndef     = gamedef->getNodeDefManager();
        this->biomedef = new BiomeDefManager();
        this->params   = NULL;
-       
-       this->luaoverride_params = NULL;
+
+       this->luaoverride_params          = NULL;
        this->luaoverride_params_modified = 0;
-       this->luaoverride_flagmask = 0;
-       
+       this->luaoverride_flagmask        = 0;
+
+       this->gennotify = 0;
+
        mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
 
-       queuemutex.Init();
-       
        int nthreads;
        if (g_settings->get("num_emerge_threads").empty()) {
                int nprocs = porting::getNumberOfProcessors();
@@ -77,7 +110,7 @@ EmergeManager::EmergeManager(IGameDef *gamedef) {
        }
        if (nthreads < 1)
                nthreads = 1;
-       
+
        qlimit_total    = g_settings->getU16("emergequeue_limit_total");
        qlimit_diskonly = g_settings->get("emergequeue_limit_diskonly").empty() ?
                nthreads * 5 + 1 :
@@ -85,19 +118,19 @@ EmergeManager::EmergeManager(IGameDef *gamedef) {
        qlimit_generate = g_settings->get("emergequeue_limit_generate").empty() ?
                nthreads + 1 :
                g_settings->getU16("emergequeue_limit_generate");
-       
+
        for (int i = 0; i != nthreads; i++)
                emergethread.push_back(new EmergeThread((Server *)gamedef, i));
-               
+
        infostream << "EmergeManager: using " << nthreads << " threads" << std::endl;
 }
 
 
 EmergeManager::~EmergeManager() {
        for (unsigned int i = 0; i != emergethread.size(); i++) {
-               emergethread[i]->setRun(false);
+               emergethread[i]->Stop();
                emergethread[i]->qevent.signal();
-               emergethread[i]->stop();
+               emergethread[i]->Wait();
                delete emergethread[i];
                delete mapgen[i];
        }
@@ -111,7 +144,7 @@ EmergeManager::~EmergeManager() {
        for (unsigned int i = 0; i < decorations.size(); i++)
                delete decorations[i];
        decorations.clear();
-       
+
        for (std::map<std::string, MapgenFactory *>::iterator iter = mglist.begin();
                        iter != mglist.end(); iter ++) {
                delete iter->second;
@@ -124,78 +157,120 @@ EmergeManager::~EmergeManager() {
 
 void EmergeManager::initMapgens(MapgenParams *mgparams) {
        Mapgen *mg;
-       
+
        if (mapgen.size())
                return;
-       
+
        // Resolve names of nodes for things that were registered
        // (at this point, the registration period is over)
        biomedef->resolveNodeNames(ndef);
-       
+
        for (size_t i = 0; i != ores.size(); i++)
                ores[i]->resolveNodeNames(ndef);
-               
+
        for (size_t i = 0; i != decorations.size(); i++)
                decorations[i]->resolveNodeNames(ndef);
-       
+
        // Apply mapgen parameter overrides from Lua
        if (luaoverride_params) {
-               if (luaoverride_params_modified & MGPARAMS_SET_MGNAME)
-                       mgparams->mg_name = luaoverride_params->mg_name;
-               
+               if (luaoverride_params_modified & MGPARAMS_SET_MGNAME) {
+                       MapgenParams *mgp = setMapgenType(mgparams, luaoverride_params->mg_name);
+                       if (!mgp) {
+                               errorstream << "EmergeManager: Failed to set new mapgen name"
+                                                       << std::endl;
+                       } else {
+                               mgparams = mgp;
+                       }
+               }
+
                if (luaoverride_params_modified & MGPARAMS_SET_SEED)
                        mgparams->seed = luaoverride_params->seed;
-               
+
                if (luaoverride_params_modified & MGPARAMS_SET_WATER_LEVEL)
                        mgparams->water_level = luaoverride_params->water_level;
-               
+
                if (luaoverride_params_modified & MGPARAMS_SET_FLAGS) {
                        mgparams->flags &= ~luaoverride_flagmask;
                        mgparams->flags |= luaoverride_params->flags;
                }
-               
+
                delete luaoverride_params;
                luaoverride_params = NULL;
        }
-       
+
        // Create the mapgens
        this->params = mgparams;
        for (size_t i = 0; i != emergethread.size(); i++) {
-               mg = createMapgen(params->mg_name, 0, params);
+               mg = createMapgen(params->mg_name, i, params);
                if (!mg) {
-                       infostream << "EmergeManager: falling back to mapgen v6" << std::endl;
-                       delete params;
-                       params = createMapgenParams("v6");
-                       mg = createMapgen("v6", 0, params);
+                       infostream << "EmergeManager: Falling back to Mapgen V6" << std::endl;
+
+                       params = setMapgenType(params, "v6");
+                       mg = createMapgen(params->mg_name, i, params);
+                       if (!mg) {
+                               errorstream << "EmergeManager: CRITICAL ERROR: Failed to fall"
+                                       "back to Mapgen V6, not generating map" << std::endl;
+                       }
                }
                mapgen.push_back(mg);
        }
 }
 
 
+MapgenParams *EmergeManager::setMapgenType(MapgenParams *mgparams,
+       std::string newname) {
+       MapgenParams *newparams = createMapgenParams(newname);
+       if (!newparams) {
+               errorstream << "EmergeManager: Mapgen override failed" << std::endl;
+               return NULL;
+       }
+
+       newparams->mg_name     = newname;
+       newparams->seed        = mgparams->seed;
+       newparams->water_level = mgparams->water_level;
+       newparams->chunksize   = mgparams->chunksize;
+       newparams->flags       = mgparams->flags;
+
+       if (!newparams->readParams(g_settings)) {
+               errorstream << "EmergeManager: Mapgen override failed" << std::endl;
+               delete newparams;
+               return NULL;
+       }
+
+       delete mgparams;
+       return newparams;
+}
+
+
 Mapgen *EmergeManager::getCurrentMapgen() {
        for (unsigned int i = 0; i != emergethread.size(); i++) {
                if (emergethread[i]->IsSameThread())
                        return emergethread[i]->mapgen;
        }
-       
+
        return NULL;
 }
 
 
+void EmergeManager::startAllThreads() {
+       for (unsigned int i = 0; i != emergethread.size(); i++)
+               emergethread[i]->Start();
+}
+
+
 bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate) {
        std::map<v3s16, BlockEmergeData *>::const_iterator iter;
        BlockEmergeData *bedata;
        u16 count;
        u8 flags = 0;
        int idx = 0;
-       
+
        if (allow_generate)
                flags |= BLOCK_EMERGE_ALLOWGEN;
 
        {
                JMutexAutoLock queuelock(queuemutex);
-               
+
                count = blocks_enqueued.size();
                if (count >= qlimit_total)
                        return false;
@@ -204,7 +279,7 @@ bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate
                u16 qlimit_peer = allow_generate ? qlimit_generate : qlimit_diskonly;
                if (count >= qlimit_peer)
                        return false;
-               
+
                iter = blocks_enqueued.find(p);
                if (iter != blocks_enqueued.end()) {
                        bedata = iter->second;
@@ -216,9 +291,9 @@ bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate
                bedata->flags = flags;
                bedata->peer_requested = peer_id;
                blocks_enqueued.insert(std::make_pair(p, bedata));
-               
+
                peer_queue_count[peer_id] = count + 1;
-               
+
                // insert into the EmergeThread queue with the least items
                int lowestitems = emergethread[0]->blockqueue.size();
                for (unsigned int i = 1; i != emergethread.size(); i++) {
@@ -228,11 +303,11 @@ bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate
                                lowestitems = nitems;
                        }
                }
-               
+
                emergethread[idx]->blockqueue.push(p);
        }
        emergethread[idx]->qevent.signal();
-       
+
        return true;
 }
 
@@ -240,10 +315,10 @@ bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate
 int EmergeManager::getGroundLevelAtPoint(v2s16 p) {
        if (mapgen.size() == 0 || !mapgen[0]) {
                errorstream << "EmergeManager: getGroundLevelAtPoint() called"
-               " before mapgen initialized" << std::endl;
+                       " before mapgen initialized" << std::endl;
                return 0;
        }
-       
+
        return mapgen[0]->getGroundLevelAtPoint(p);
 }
 
@@ -279,7 +354,7 @@ Mapgen *EmergeManager::createMapgen(std::string mgname, int mgid,
                 " not registered" << std::endl;
                return NULL;
        }
-       
+
        MapgenFactory *mgfactory = iter->second;
        return mgfactory->createMapgen(mgid, mgparams, this);
 }
@@ -293,7 +368,7 @@ MapgenParams *EmergeManager::createMapgenParams(std::string mgname) {
                 " not registered" << std::endl;
                return NULL;
        }
-       
+
        MapgenFactory *mgfactory = iter->second;
        return mgfactory->createMapgenParams();
 }
@@ -304,9 +379,12 @@ MapgenParams *EmergeManager::getParamsFromSettings(Settings *settings) {
        MapgenParams *mgparams = createMapgenParams(mg_name);
        if (!mgparams)
                return NULL;
-       
+
+       std::string seedstr = settings->get(settings == g_settings ?
+                                                                       "fixed_map_seed" : "seed");
+
        mgparams->mg_name     = mg_name;
-       mgparams->seed        = settings->getU64(settings == g_settings ? "fixed_map_seed" : "seed");
+       mgparams->seed        = read_seed(seedstr.c_str());
        mgparams->water_level = settings->getS16("water_level");
        mgparams->chunksize   = settings->getS16("chunksize");
        mgparams->flags       = settings->getFlagStr("mg_flags", flagdesc_mapgen);
@@ -336,7 +414,7 @@ void EmergeManager::registerMapgen(std::string mgname, MapgenFactory *mgfactory)
 }
 
 
-////////////////////////////// Emerge Thread ////////////////////////////////// 
+////////////////////////////// Emerge Thread //////////////////////////////////
 
 bool EmergeThread::popBlockEmerge(v3s16 *pos, u8 *flags) {
        std::map<v3s16, BlockEmergeData *>::iterator iter;
@@ -346,31 +424,31 @@ bool EmergeThread::popBlockEmerge(v3s16 *pos, u8 *flags) {
                return false;
        v3s16 p = blockqueue.front();
        blockqueue.pop();
-       
+
        *pos = p;
-       
+
        iter = emerge->blocks_enqueued.find(p);
-       if (iter == emerge->blocks_enqueued.end()) 
+       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);
-       
+
        return true;
 }
 
 
-bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b, 
+bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b,
                                                                        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); 
-       
+       JMutexAutoLock envlock(m_server->m_env_mutex);
+
        // Load sector if it isn't loaded
        if (map->getSectorNoGenerateNoEx(p2d) == NULL)
                map->loadSectorMeta(p2d);
@@ -380,6 +458,8 @@ bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b,
        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);
        }
 
        // If could not load and allowed to generate,
@@ -389,7 +469,7 @@ bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b,
                *b = block;
                return map->initBlockMake(data, p);
        }
-       
+
        *b = block;
        return false;
 }
@@ -404,13 +484,13 @@ void *EmergeThread::Thread() {
        v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
        v3s16 p;
        u8 flags;
-       
+
        map    = (ServerMap *)&(m_server->m_env->getMap());
        emerge = m_server->m_emerge;
        mapgen = emerge->mapgen[id];
        enable_mapgen_debug_info = emerge->mapgen_debug_info;
-       
-       while (getRun())
+
+       while (!StopRequested())
        try {
                if (!popBlockEmerge(&p, &flags)) {
                        qevent.wait();
@@ -423,7 +503,7 @@ void *EmergeThread::Thread() {
 
                bool allow_generate = flags & BLOCK_EMERGE_ALLOWGEN;
                EMERGE_DBG_OUT("p=" PP(p) " allow_generate=" << allow_generate);
-               
+
                /*
                        Try to fetch block from memory or disk.
                        If not found and asked to generate, initialize generator.
@@ -431,8 +511,8 @@ void *EmergeThread::Thread() {
                BlockMakeData data;
                MapBlock *block = NULL;
                std::map<v3s16, MapBlock *> modified_blocks;
-               
-               if (getBlockOrStartGen(p, &block, &data, allow_generate)) {
+
+               if (getBlockOrStartGen(p, &block, &data, allow_generate) && mapgen) {
                        {
                                ScopeProfiler sp(g_profiler, "EmergeThread: Mapgen::makeChunk", SPT_AVG);
                                TimeTaker t("mapgen::make_block()");
@@ -445,12 +525,12 @@ void *EmergeThread::Thread() {
 
                        {
                                //envlock: usually 0ms, but can take either 30 or 400ms to acquire
-                               JMutexAutoLock envlock(m_server->m_env_mutex); 
+                               JMutexAutoLock 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) {
                                        /*
@@ -462,16 +542,18 @@ void *EmergeThread::Thread() {
 
                                        // Ignore map edit events, they will not need to be sent
                                        // to anybody because the block hasn't been sent to anybody
-                                       MapEditEventAreaIgnorer 
+                                       MapEditEventAreaIgnorer
                                                ign(&m_server->m_ignore_map_edit_events_area,
                                                VoxelArea(minp, maxp));
-                                       {  // takes about 90ms with -O1 on an e3-1230v2
-                                               SERVER_TO_SA(m_server)->environment_OnGenerated(
+                                       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());
                                        }
 
                                        EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
-                                       
+
                                        m_server->m_env->activateBlock(block, 0);
                                }
                        }
@@ -517,7 +599,7 @@ void *EmergeThread::Thread() {
                err << "You can ignore this using [ignore_world_load_errors = true]."<<std::endl;
                m_server->setAsyncFatalError(err.str());
        }
-       
+
        END_DEBUG_EXCEPTION_HANDLER(errorstream)
        log_deregister_thread();
        return NULL;