X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;ds=sidebyside;f=src%2Femerge.cpp;h=f97763718eacebb79d86f3653de7494c9b25a7a4;hb=45589fae58157c8a66c640a1db5795a42a86fc1c;hp=ee6650f9cd53ae4a4f5304601641abfe8a7e5962;hpb=5ec5b1cbd64a22e628be2cf03391883c44074811;p=dragonfireclient.git

diff --git a/src/emerge.cpp b/src/emerge.cpp
index ee6650f9c..f97763718 100644
--- a/src/emerge.cpp
+++ b/src/emerge.cpp
@@ -1,6 +1,7 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
@@ -31,34 +32,60 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapblock.h"
 #include "serverobject.h"
 #include "settings.h"
-#include "script.h"
-#include "scriptapi.h"
+#include "cpp_api/scriptapi.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"
+#include "mapgen_singlenode.h"
+#include "mapgen_math.h"
 
 
-EmergeManager::EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef) {
+/////////////////////////////// Emerge Manager ////////////////////////////////
+
+EmergeManager::EmergeManager(IGameDef *gamedef) {
 	//register built-in mapgens
 	registerMapgen("v6", new MapgenFactoryV6());
+	registerMapgen("v7", new MapgenFactoryV7());
+	registerMapgen("indev", new MapgenFactoryIndev());
+	registerMapgen("singlenode", new MapgenFactorySinglenode());
+	registerMapgen("math", new MapgenFactoryMath());
 
-	this->biomedef = bdef ? bdef : new BiomeDefManager(gamedef);
+	this->ndef     = gamedef->getNodeDefManager();
+	this->biomedef = new BiomeDefManager();
 	this->params   = NULL;
 	
-	qlimit_total    = g_settings->getU16("emergequeue_limit_total");
-	qlimit_diskonly = g_settings->getU16("emergequeue_limit_diskonly");
-	qlimit_generate = g_settings->getU16("emergequeue_limit_generate");
+	this->luaoverride_params          = NULL;
+	this->luaoverride_params_modified = 0;
+	this->luaoverride_flagmask        = 0;
+	
+	mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
 
 	queuemutex.Init();
-	int nthreads = g_settings->get("num_emerge_threads").empty() ?
-					porting::getNumberOfProcessors() :
-					g_settings->getU16("num_emerge_threads");
+	
+	int nthreads;
+	if (g_settings->get("num_emerge_threads").empty()) {
+		int nprocs = porting::getNumberOfProcessors();
+		// leave a proc for the main thread and one for some other misc threads
+		nthreads = (nprocs > 2) ? nprocs - 2 : 1;
+	} else {
+		nthreads = g_settings->getU16("num_emerge_threads");
+	}
 	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 :
+		g_settings->getU16("emergequeue_limit_diskonly");
+	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));
 		
@@ -67,16 +94,31 @@ EmergeManager::EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef) {
 
 
 EmergeManager::~EmergeManager() {
-	for (int i = 0; i != emergethread.size(); i++) {
+	for (unsigned int i = 0; i != emergethread.size(); i++) {
 		emergethread[i]->setRun(false);
 		emergethread[i]->qevent.signal();
 		emergethread[i]->stop();
 		delete emergethread[i];
 		delete mapgen[i];
 	}
+	emergethread.clear();
+	mapgen.clear();
+
+	for (unsigned int i = 0; i < ores.size(); i++)
+		delete ores[i];
+	ores.clear();
+
+	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;
+	}
+	mglist.clear();
+
 	delete biomedef;
-	delete params;
 }
 
 
@@ -86,8 +128,39 @@ void EmergeManager::initMapgens(MapgenParams *mgparams) {
 	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_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 (int i = 0; i != emergethread.size(); i++) {
+	for (size_t i = 0; i != emergethread.size(); i++) {
 		mg = createMapgen(params->mg_name, 0, params);
 		if (!mg) {
 			infostream << "EmergeManager: falling back to mapgen v6" << std::endl;
@@ -100,6 +173,16 @@ void EmergeManager::initMapgens(MapgenParams *mgparams) {
 }
 
 
+Mapgen *EmergeManager::getCurrentMapgen() {
+	for (unsigned int i = 0; i != emergethread.size(); i++) {
+		if (emergethread[i]->IsSameThread())
+			return emergethread[i]->mapgen;
+	}
+	
+	return NULL;
+}
+
+
 bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate) {
 	std::map<v3s16, BlockEmergeData *>::const_iterator iter;
 	BlockEmergeData *bedata;
@@ -136,8 +219,9 @@ bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate
 		
 		peer_queue_count[peer_id] = count + 1;
 		
+		// insert into the EmergeThread queue with the least items
 		int lowestitems = emergethread[0]->blockqueue.size();
-		for (int i = 1; i != emergethread.size(); i++) {
+		for (unsigned int i = 1; i != emergethread.size(); i++) {
 			int nitems = emergethread[i]->blockqueue.size();
 			if (nitems < lowestitems) {
 				idx = i;
@@ -153,35 +237,8 @@ bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate
 }
 
 
-bool EmergeThread::popBlockEmerge(v3s16 *pos, u8 *flags) {
-	std::map<v3s16, BlockEmergeData *>::iterator iter;
-	JMutexAutoLock queuelock(emerge->queuemutex);
-
-	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);
-	
-	return true;
-}
-
-
 int EmergeManager::getGroundLevelAtPoint(v2s16 p) {
-	if (!mapgen[0]) {
+	if (mapgen.size() == 0 || !mapgen[0]) {
 		errorstream << "EmergeManager: getGroundLevelAtPoint() called"
 		" before mapgen initialized" << std::endl;
 		return 0;
@@ -209,7 +266,7 @@ u32 EmergeManager::getBlockSeed(v3s16 p) {
 	return (u32)(params->seed & 0xFFFFFFFF) +
 		p.Z * 38134234 +
 		p.Y * 42123 +
-		p.Y * 23;
+		p.X * 23;
 }
 
 
@@ -245,6 +302,8 @@ MapgenParams *EmergeManager::createMapgenParams(std::string mgname) {
 MapgenParams *EmergeManager::getParamsFromSettings(Settings *settings) {
 	std::string mg_name = settings->get("mg_name");
 	MapgenParams *mgparams = createMapgenParams(mg_name);
+	if (!mgparams)
+		return NULL;
 	
 	mgparams->mg_name     = mg_name;
 	mgparams->seed        = settings->getU64(settings == g_settings ? "fixed_map_seed" : "seed");
@@ -271,69 +330,40 @@ void EmergeManager::setParamsToSettings(Settings *settings) {
 }
 
 
-bool EmergeManager::registerMapgen(std::string mgname, MapgenFactory *mgfactory) {
+void EmergeManager::registerMapgen(std::string mgname, MapgenFactory *mgfactory) {
 	mglist.insert(std::make_pair(mgname, mgfactory));
 	infostream << "EmergeManager: registered mapgen " << mgname << std::endl;
 }
 
 
+////////////////////////////// Emerge Thread ////////////////////////////////// 
 
-class MapEditEventIgnorer
-{
-public:
-	MapEditEventIgnorer(bool *flag):
-		m_flag(flag)
-	{
-		if(*m_flag == false)
-			*m_flag = true;
-		else
-			m_flag = NULL;
-	}
-
-	~MapEditEventIgnorer()
-	{
-		if(m_flag)
-		{
-			assert(*m_flag);
-			*m_flag = false;
-		}
-	}
-
-private:
-	bool *m_flag;
-};
-
-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();
-		}
-	}
+bool EmergeThread::popBlockEmerge(v3s16 *pos, u8 *flags) {
+	std::map<v3s16, BlockEmergeData *>::iterator iter;
+	JMutexAutoLock queuelock(emerge->queuemutex);
 
-private:
-	VoxelArea *m_ignorevariable;
-};
+	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]--;
 
-#if 1
+	delete bedata;
+	emerge->blocks_enqueued.erase(iter);
+	
+	return true;
+}
 
-#define EMERGE_DBG_OUT(x) \
-	{ if (enable_mapgen_debug_info) \
-	infostream << "EmergeThread: " x << std::endl; }
 
 bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b, 
 									BlockMakeData *data, bool allow_gen) {
@@ -356,8 +386,8 @@ bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b,
 	// start generation inside this same envlock
 	if (allow_gen && (block == NULL || !block->isGenerated())) {
 		EMERGE_DBG_OUT("generating");
-		map->initBlockMake(data, p);
-		return true;
+		*b = block;
+		return map->initBlockMake(data, p);
 	}
 	
 	*b = block;
@@ -367,7 +397,7 @@ bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b,
 
 void *EmergeThread::Thread() {
 	ThreadStarted();
-	log_register_thread("EmergeThread");
+	log_register_thread("EmergeThread" + itos(id));
 	DSTACK(__FUNCTION_NAME);
 	BEGIN_DEBUG_EXCEPTION_HANDLER
 
@@ -377,14 +407,14 @@ void *EmergeThread::Thread() {
 	
 	map    = (ServerMap *)&(m_server->m_env->getMap());
 	emerge = m_server->m_emerge;
-	mapgen = emerge->mapgen[id]; //emerge->getMapgen();
+	mapgen = emerge->mapgen[id];
+	enable_mapgen_debug_info = emerge->mapgen_debug_info;
 	
 	while (getRun())
 	try {
-		while (!popBlockEmerge(&p, &flags)) {
+		if (!popBlockEmerge(&p, &flags)) {
 			qevent.wait();
-			if (!getRun())
-				goto exit_emerge_loop;
+			continue;
 		}
 
 		last_tried_pos = p;
@@ -400,7 +430,7 @@ void *EmergeThread::Thread() {
 		*/
 		BlockMakeData data;
 		MapBlock *block = NULL;
-		core::map<v3s16, MapBlock *> modified_blocks;
+		std::map<v3s16, MapBlock *> modified_blocks;
 		
 		if (getBlockOrStartGen(p, &block, &data, allow_generate)) {
 			{
@@ -436,7 +466,7 @@ void *EmergeThread::Thread() {
 						ign(&m_server->m_ignore_map_edit_events_area,
 						VoxelArea(minp, maxp));
 					{  // takes about 90ms with -O1 on an e3-1230v2
-						scriptapi_environment_on_generated(m_server->m_lua,
+						SERVER_TO_SA(m_server)->environment_OnGenerated(
 								minp, maxp, emerge->getBlockSeed(minp));
 					}
 
@@ -456,13 +486,21 @@ void *EmergeThread::Thread() {
 		JMutexAutoLock lock(m_server->m_con_mutex);
 		// Add the originally fetched block to the modified list
 		if (block)
-			modified_blocks.insert(p, block);
+			modified_blocks[p] = block;
+
+		// Update weather data in mapblock
+		for(std::map<v3s16, MapBlock *>::iterator
+			i = modified_blocks.begin();
+			i != modified_blocks.end(); ++i) {
+			map->getHeat(m_server->m_env, MAP_BLOCKSIZE*i->first ,i->second);
+			map->getHumidity(m_server->m_env, MAP_BLOCKSIZE*i->first, i->second);
+		}
 
 		// Set the modified blocks unsent for all the clients
-		for (core::map<u16, RemoteClient*>::Iterator
-			 i = m_server->m_clients.getIterator();
-			 i.atEnd() == false; i++) {
-			RemoteClient *client = i.getNode()->getValue();
+		for (std::map<u16, RemoteClient*>::iterator
+			 i = m_server->m_clients.begin();
+			 i != m_server->m_clients.end(); ++i) {
+			RemoteClient *client = i->second;
 			if (modified_blocks.size() > 0) {
 				// Remove block from sent history
 				client->SetBlocksNotSent(modified_blocks);
@@ -489,239 +527,6 @@ void *EmergeThread::Thread() {
 	}
 	
 	END_DEBUG_EXCEPTION_HANDLER(errorstream)
-exit_emerge_loop:
 	log_deregister_thread();
 	return NULL;
 }
-
-#else
-
-void *EmergeThread::Thread() {
-	ThreadStarted();
-	log_register_thread("EmergeThread");
-	DSTACK(__FUNCTION_NAME);
-	BEGIN_DEBUG_EXCEPTION_HANDLER
-
-	bool enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
-
-	v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
-	ServerMap &map = ((ServerMap&)m_server->m_env->getMap());
-	EmergeManager *emerge = m_server->m_emerge;
-	Mapgen *mapgen = emerge->getMapgen();
-
-	while(getRun())
-	try {
-		QueuedBlockEmerge *qptr = m_server->m_emerge_queue.pop();
-		if(qptr == NULL)
-			break;
-		SharedPtr<QueuedBlockEmerge> q(qptr);
-
-		v3s16 &p = q->pos;
-		v2s16 p2d(p.X,p.Z);
-
-		last_tried_pos = p;
-
-		/*
-			Do not generate over-limit
-		*/
-		if (blockpos_over_limit(p))
-			continue;
-
-		//infostream<<"EmergeThread::Thread(): running"<<std::endl;
-
-		//TimeTaker timer("block emerge");
-
-		/*
-			Try to emerge it from somewhere.
-
-			If it is only wanted as optional, only loading from disk
-			will be allowed.
-		*/
-
-		/*
-			Check if any peer wants it as non-optional. In that case it
-			will be generated.
-
-			Also decrement the emerge queue count in clients.
-		*/
-
-		bool only_from_disk = true;
-		{
-			core::map<u16, u8>::Iterator i;
-			for (i=q->s.getIterator(); !i.atEnd(); i++) {
-				u8 flags = i.getNode()->getValue();
-				if (!(flags & BLOCK_EMERGE_FLAG_FROMDISK)) {
-					only_from_disk = false;
-					break;
-				}
-			}
-		}
-
-		if (enable_mapgen_debug_info)
-			infostream<<"EmergeThread: p="
-					<<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
-					<<"only_from_disk="<<only_from_disk<<std::endl;
-					
-		MapBlock *block = NULL;
-		bool got_block = true;
-		core::map<v3s16, MapBlock*> modified_blocks;
-
-		/*
-			Try to fetch block from memory or disk.
-			If not found and asked to generate, initialize generator.
-		*/
-
-		bool started_generate = false;
-		BlockMakeData data;
-		{
-			JMutexAutoLock envlock(m_server->m_env_mutex);
-			
-			// Load sector if it isn't loaded
-			if(map.getSectorNoGenerateNoEx(p2d) == NULL)
-				map.loadSectorMeta(p2d);
-
-			// Attempt to load block
-			block = map.getBlockNoCreateNoEx(p);
-			if(!block || block->isDummy() || !block->isGenerated()) {
-				if(enable_mapgen_debug_info)
-					infostream<<"EmergeThread: not in memory, "
-							<<"attempting to load from disk"<<std::endl;
-
-				block = map.loadBlock(p);
-			}
-
-			// If could not load and allowed to generate, start generation
-			// inside this same envlock
-			if(only_from_disk == false &&
-					(block == NULL || block->isGenerated() == false)){
-				if(enable_mapgen_debug_info)
-					infostream<<"EmergeThread: generating"<<std::endl;
-				started_generate = true;
-
-				map.initBlockMake(&data, p);
-			}
-		}
-
-		/*
-			If generator was initialized, generate now when envlock is free.
-		*/
-		if(started_generate) {
-			{
-				ScopeProfiler sp(g_profiler, "EmergeThread: mapgen::make_block",
-						SPT_AVG);
-				TimeTaker t("mapgen::make_block()");
-
-				mapgen->makeChunk(&data);
-
-				if (enable_mapgen_debug_info == false)
-					t.stop(true); // Hide output
-			}
-
-			do{ // enable break
-				// Lock environment again to access the map
-				JMutexAutoLock envlock(m_server->m_env_mutex);
-
-				ScopeProfiler sp(g_profiler, "EmergeThread: after "
-						"mapgen::make_block (envlock)", SPT_AVG);
-
-				// Blit data back on map, update lighting, add mobs and
-				// whatever this does
-				map.finishBlockMake(&data, modified_blocks);
-				
-				// Get central block
-				block = map.getBlockNoCreateNoEx(p);
-
-				// If block doesn't exist, don't try doing anything with it
-				// This happens if the block is not in generation boundaries
-				if(!block)
-					break;
-
-				/*
-					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));
-				{
-					TimeTaker timer("on_generated");
-					scriptapi_environment_on_generated(m_server->m_lua,
-							minp, maxp, emerge->getBlockSeed(minp));
-					//int t = timer.stop(true);
-					//dstream<<"on_generated took "<<t<<"ms"<<std::endl;
-				}
-
-				if (enable_mapgen_debug_info)
-					infostream << "EmergeThread: ended up with: "
-							<< analyze_block(block) << std::endl;
-
-				// Activate objects and stuff
-				m_server->m_env->activateBlock(block, 0);
-			}while(false);
-		}
-
-		if(block == NULL)
-			got_block = false;
-
-		/*
-			Set sent status of modified blocks on clients
-		*/
-
-		// NOTE: Server's clients are also behind the connection mutex
-		JMutexAutoLock lock(m_server->m_con_mutex);
-
-		/*
-			Add the originally fetched block to the modified list
-		*/
-		if(got_block)
-			modified_blocks.insert(p, block);
-
-		/*
-			Set the modified blocks unsent for all the clients
-		*/
-		for(core::map<u16, RemoteClient*>::Iterator
-				i = m_server->m_clients.getIterator();
-				i.atEnd() == false; i++) {
-			RemoteClient *client = i.getNode()->getValue();
-			if(modified_blocks.size() > 0) {
-				// Remove block from sent history
-				client->SetBlocksNotSent(modified_blocks);
-			}
-		}
-							
-
-niters++;
-	}
-	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;
-		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;
-		m_server->setAsyncFatalError(err.str());
-	}
-printf("emergethread iterated %d times\n", niters);
-	END_DEBUG_EXCEPTION_HANDLER(errorstream)
-	log_deregister_thread();
-	return NULL;
-}
-
-#endif