X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Fenvironment.cpp;h=66898f012f3573fe032201b8fcf53ba8d08bb29b;hb=6bc4cad0eddd7a7cf593ca1471599e2d75727379;hp=76a8aab5130dbb54ef6243f9dd0ffd7ce9b9edf7;hpb=7b13d119ed917c137fc375eff790a7754fd93386;p=oweals%2Fminetest.git

diff --git a/src/environment.cpp b/src/environment.cpp
index 76a8aab51..66898f012 100644
--- a/src/environment.cpp
+++ b/src/environment.cpp
@@ -17,9 +17,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include <set>
-#include <list>
-#include <map>
 #include "environment.h"
 #include "filesys.h"
 #include "porting.h"
@@ -28,11 +25,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapblock.h"
 #include "serverobject.h"
 #include "content_sao.h"
-#include "mapgen.h"
 #include "settings.h"
 #include "log.h"
 #include "profiler.h"
-#include "cpp_api/scriptapi.h"
+#include "scripting_game.h"
 #include "nodedef.h"
 #include "nodemetadata.h"
 #include "main.h" // For g_settings, g_profiler
@@ -44,7 +40,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #endif
 #include "daynightratio.h"
 #include "map.h"
+#include "emerge.h"
 #include "util/serialize.h"
+#include "jthread/jmutexautolock.h"
 
 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
 
@@ -52,7 +50,9 @@ Environment::Environment():
 	m_time_of_day(9000),
 	m_time_of_day_f(9000./24000),
 	m_time_of_day_speed(0),
-	m_time_counter(0)
+	m_time_counter(0),
+	m_enable_day_night_ratio_override(false),
+	m_day_night_ratio_override(0.0f)
 {
 }
 
@@ -86,19 +86,29 @@ void Environment::addPlayer(Player *player)
 void Environment::removePlayer(u16 peer_id)
 {
 	DSTACK(__FUNCTION_NAME);
-re_search:
+
 	for(std::list<Player*>::iterator i = m_players.begin();
-			i != m_players.end(); ++i)
+			i != m_players.end();)
 	{
 		Player *player = *i;
-		if(player->peer_id != peer_id)
-			continue;
-		
-		delete player;
-		m_players.erase(i);
-		// See if there is an another one
-		// (shouldn't be, but just to be sure)
-		goto re_search;
+		if(player->peer_id == peer_id) {
+			delete player;
+			i = m_players.erase(i);
+		} else {
+			++i;
+		}
+	}
+}
+
+void Environment::removePlayer(const char *name)
+{
+	for (std::list<Player*>::iterator it = m_players.begin();
+			it != m_players.end(); ++it) {
+		if (strcmp((*it)->getName(), name) == 0) {
+			delete *it;
+			m_players.erase(it);
+			return;
+		}
 	}
 }
 
@@ -191,29 +201,38 @@ std::list<Player*> Environment::getPlayers(bool ignore_disconnected)
 	return newlist;
 }
 
-void Environment::printPlayers(std::ostream &o)
-{
-	o<<"Players in environment:"<<std::endl;
-	for(std::list<Player*>::iterator i = m_players.begin();
-			i != m_players.end(); i++)
-	{
-		Player *player = *i;
-		o<<"Player peer_id="<<player->peer_id<<std::endl;
-	}
-}
-
 u32 Environment::getDayNightRatio()
 {
+	if(m_enable_day_night_ratio_override)
+		return m_day_night_ratio_override;
 	bool smooth = g_settings->getBool("enable_shaders");
 	return time_to_daynight_ratio(m_time_of_day_f*24000, smooth);
 }
 
+void Environment::setTimeOfDaySpeed(float speed)
+{
+	JMutexAutoLock(this->m_lock);
+	m_time_of_day_speed = speed;
+}
+
+float Environment::getTimeOfDaySpeed()
+{
+	JMutexAutoLock(this->m_lock);
+	float retval = m_time_of_day_speed;
+	return retval;
+}
+
 void Environment::stepTimeOfDay(float dtime)
 {
+	float day_speed = 0;
+	{
+		JMutexAutoLock(this->m_lock);
+		day_speed = m_time_of_day_speed;
+	}
+	
 	m_time_counter += dtime;
-	f32 speed = m_time_of_day_speed * 24000./(24.*3600);
+	f32 speed = day_speed * 24000./(24.*3600);
 	u32 units = (u32)(m_time_counter*speed);
-	m_time_counter -= (f32)units / speed;
 	bool sync_f = false;
 	if(units > 0){
 		// Sync at overflow
@@ -223,8 +242,11 @@ void Environment::stepTimeOfDay(float dtime)
 		if(sync_f)
 			m_time_of_day_f = (float)m_time_of_day / 24000.0;
 	}
+	if (speed > 0) {
+		m_time_counter -= (f32)units / speed;
+	}
 	if(!sync_f){
-		m_time_of_day_f += m_time_of_day_speed/24/3600*dtime;
+		m_time_of_day_f += day_speed/24/3600*dtime;
 		if(m_time_of_day_f > 1.0)
 			m_time_of_day_f -= 1.0;
 		if(m_time_of_day_f < 0.0)
@@ -272,7 +294,7 @@ void ActiveBlockList::update(std::list<v3s16> &active_positions,
 	/*
 		Create the new list
 	*/
-	std::set<v3s16> newlist;
+	std::set<v3s16> newlist = m_forceloaded_list;
 	for(std::list<v3s16>::iterator i = active_positions.begin();
 			i != active_positions.end(); ++i)
 	{
@@ -321,13 +343,13 @@ void ActiveBlockList::update(std::list<v3s16> &active_positions,
 	ServerEnvironment
 */
 
-ServerEnvironment::ServerEnvironment(ServerMap *map, ScriptApi *scriptIface,
-		IGameDef *gamedef, IBackgroundBlockEmerger *emerger):
+ServerEnvironment::ServerEnvironment(ServerMap *map,
+		GameScripting *scriptIface, IGameDef *gamedef,
+		const std::string &path_world) :
 	m_map(map),
 	m_script(scriptIface),
 	m_gamedef(gamedef),
-	m_emerger(emerger),
-	m_random_spawn_timer(3),
+	m_path_world(path_world),
 	m_send_recommended_timer(0),
 	m_active_block_interval_overload_skip(0),
 	m_game_time(0),
@@ -366,7 +388,7 @@ ServerMap & ServerEnvironment::getServerMap()
 	return *m_map;
 }
 
-bool ServerEnvironment::line_of_sight(v3f pos1, v3f pos2, float stepsize)
+bool ServerEnvironment::line_of_sight(v3f pos1, v3f pos2, float stepsize, v3s16 *p)
 {
 	float distance = pos1.getDistanceFrom(pos2);
 
@@ -384,257 +406,131 @@ bool ServerEnvironment::line_of_sight(v3f pos1, v3f pos2, float stepsize)
 		MapNode n = getMap().getNodeNoEx(pos);
 
 		if(n.param0 != CONTENT_AIR) {
+			if (p) {
+				*p = pos;
+			}
 			return false;
 		}
 	}
 	return true;
 }
 
-void ServerEnvironment::serializePlayers(const std::string &savedir)
+void ServerEnvironment::saveLoadedPlayers()
 {
-	std::string players_path = savedir + "/players";
+	std::string players_path = m_path_world + DIR_DELIM "players";
 	fs::CreateDir(players_path);
 
-	std::set<Player*> saved_players;
-
-	std::vector<fs::DirListNode> player_files = fs::GetDirListing(players_path);
-	for(u32 i=0; i<player_files.size(); i++)
-	{
-		if(player_files[i].dir || player_files[i].name[0] == '.')
-			continue;
-		
-		// Full path to this file
-		std::string path = players_path + "/" + player_files[i].name;
-
-		//infostream<<"Checking player file "<<path<<std::endl;
-
-		// Load player to see what is its name
-		RemotePlayer testplayer(m_gamedef);
-		{
-			// Open file and deserialize
-			std::ifstream is(path.c_str(), std::ios_base::binary);
-			if(is.good() == false)
-			{
-				infostream<<"Failed to read "<<path<<std::endl;
-				continue;
-			}
-			testplayer.deSerialize(is, player_files[i].name);
-		}
-
-		//infostream<<"Loaded test player with name "<<testplayer.getName()<<std::endl;
-		
-		// Search for the player
-		std::string playername = testplayer.getName();
-		Player *player = getPlayer(playername.c_str());
-		if(player == NULL)
-		{
-			infostream<<"Didn't find matching player, ignoring file "<<path<<std::endl;
-			continue;
-		}
-
-		//infostream<<"Found matching player, overwriting."<<std::endl;
-
-		// OK, found. Save player there.
-		if(player->checkModified())
-		{
-			// Open file and serialize
-			std::ofstream os(path.c_str(), std::ios_base::binary);
-			if(os.good() == false)
-			{
-				infostream<<"Failed to overwrite "<<path<<std::endl;
-				continue;
-			}
-			player->serialize(os);
-			saved_players.insert(player);
-		} else {
-			saved_players.insert(player);
+	for (std::list<Player*>::iterator it = m_players.begin();
+			it != m_players.end();
+			++it) {
+		RemotePlayer *player = static_cast<RemotePlayer*>(*it);
+		if (player->checkModified()) {
+			player->save(players_path);
 		}
 	}
+}
 
-	for(std::list<Player*>::iterator i = m_players.begin();
-			i != m_players.end(); ++i)
-	{
-		Player *player = *i;
-		if(saved_players.find(player) != saved_players.end())
-		{
-			/*infostream<<"Player "<<player->getName()
-					<<" was already saved."<<std::endl;*/
-			continue;
-		}
-		std::string playername = player->getName();
-		// Don't save unnamed player
-		if(playername == "")
-		{
-			//infostream<<"Not saving unnamed player."<<std::endl;
-			continue;
-		}
-		/*
-			Find a sane filename
-		*/
-		if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS) == false)
-			playername = "player";
-		std::string path = players_path + "/" + playername;
-		bool found = false;
-		for(u32 i=0; i<1000; i++)
-		{
-			if(fs::PathExists(path) == false)
-			{
-				found = true;
-				break;
-			}
-			path = players_path + "/" + playername + itos(i);
-		}
-		if(found == false)
-		{
-			infostream<<"Didn't find free file for player"<<std::endl;
-			continue;
-		}
+void ServerEnvironment::savePlayer(const std::string &playername)
+{
+	std::string players_path = m_path_world + DIR_DELIM "players";
+	fs::CreateDir(players_path);
 
-		{
-			/*infostream<<"Saving player "<<player->getName()<<" to "
-					<<path<<std::endl;*/
-			// Open file and serialize
-			std::ofstream os(path.c_str(), std::ios_base::binary);
-			if(os.good() == false)
-			{
-				infostream<<"Failed to overwrite "<<path<<std::endl;
-				continue;
-			}
-			player->serialize(os);
-			saved_players.insert(player);
-		}
+	RemotePlayer *player = static_cast<RemotePlayer*>(getPlayer(playername.c_str()));
+	if (player) {
+		player->save(players_path);
 	}
-
-	//infostream<<"Saved "<<saved_players.size()<<" players."<<std::endl;
 }
 
-void ServerEnvironment::deSerializePlayers(const std::string &savedir)
+Player *ServerEnvironment::loadPlayer(const std::string &playername)
 {
-	std::string players_path = savedir + "/players";
+	std::string players_path = m_path_world + DIR_DELIM "players" DIR_DELIM;
 
-	std::vector<fs::DirListNode> player_files = fs::GetDirListing(players_path);
-	for(u32 i=0; i<player_files.size(); i++)
-	{
-		if(player_files[i].dir)
-			continue;
-		
-		// Full path to this file
-		std::string path = players_path + "/" + player_files[i].name;
-
-		//infostream<<"Checking player file "<<path<<std::endl;
-
-		// Load player to see what is its name
-		RemotePlayer testplayer(m_gamedef);
-		{
-			// Open file and deserialize
-			std::ifstream is(path.c_str(), std::ios_base::binary);
-			if(is.good() == false)
-			{
-				infostream<<"Failed to read "<<path<<std::endl;
-				continue;
-			}
-			testplayer.deSerialize(is, player_files[i].name);
-		}
-
-		if(!string_allowed(testplayer.getName(), PLAYERNAME_ALLOWED_CHARS))
-		{
-			infostream<<"Not loading player with invalid name: "
-					<<testplayer.getName()<<std::endl;
-		}
-
-		/*infostream<<"Loaded test player with name "<<testplayer.getName()
-				<<std::endl;*/
-		
-		// Search for the player
-		std::string playername = testplayer.getName();
-		Player *player = getPlayer(playername.c_str());
-		bool newplayer = false;
-		if(player == NULL)
-		{
-			//infostream<<"Is a new player"<<std::endl;
-			player = new RemotePlayer(m_gamedef);
-			newplayer = true;
-		}
+	RemotePlayer *player = static_cast<RemotePlayer*>(getPlayer(playername.c_str()));
+	bool newplayer = false;
+	bool found = false;
+	if (!player) {
+		player = new RemotePlayer(m_gamedef);
+		newplayer = true;
+	}
 
-		// Load player
-		{
-			verbosestream<<"Reading player "<<testplayer.getName()<<" from "
-					<<path<<std::endl;
-			// Open file and deserialize
-			std::ifstream is(path.c_str(), std::ios_base::binary);
-			if(is.good() == false)
-			{
-				infostream<<"Failed to read "<<path<<std::endl;
-				continue;
-			}
-			player->deSerialize(is, player_files[i].name);
+	RemotePlayer testplayer(m_gamedef);
+	std::string path = players_path + playername;
+	for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
+		// Open file and deserialize
+		std::ifstream is(path.c_str(), std::ios_base::binary);
+		if (!is.good()) {
+			return NULL;
 		}
-
-		if(newplayer)
-		{
-			addPlayer(player);
+		testplayer.deSerialize(is, path);
+		is.close();
+		if (testplayer.getName() == playername) {
+			*player = testplayer;
+			found = true;
+			break;
 		}
+		path = players_path + playername + itos(i);
 	}
+	if (!found) {
+		infostream << "Player file for player " << playername
+				<< " not found" << std::endl;
+		return NULL;
+	}
+	if (newplayer) {
+		addPlayer(player);
+	}
+	return player;
 }
 
-void ServerEnvironment::saveMeta(const std::string &savedir)
+void ServerEnvironment::saveMeta()
 {
-	std::string path = savedir + "/env_meta.txt";
+	std::string path = m_path_world + DIR_DELIM "env_meta.txt";
 
 	// Open file and serialize
-	std::ofstream os(path.c_str(), std::ios_base::binary);
-	if(os.good() == false)
-	{
-		infostream<<"ServerEnvironment::saveMeta(): Failed to open "
-				<<path<<std::endl;
-		throw SerializationError("Couldn't save env meta");
-	}
+	std::ostringstream ss(std::ios_base::binary);
 
 	Settings args;
 	args.setU64("game_time", m_game_time);
 	args.setU64("time_of_day", getTimeOfDay());
-	args.writeLines(os);
-	os<<"EnvArgsEnd\n";
+	args.writeLines(ss);
+	ss<<"EnvArgsEnd\n";
+
+	if(!fs::safeWriteToFile(path, ss.str()))
+	{
+		infostream<<"ServerEnvironment::saveMeta(): Failed to write "
+				<<path<<std::endl;
+		throw SerializationError("Couldn't save env meta");
+	}
 }
 
-void ServerEnvironment::loadMeta(const std::string &savedir)
+void ServerEnvironment::loadMeta()
 {
-	std::string path = savedir + "/env_meta.txt";
+	std::string path = m_path_world + DIR_DELIM "env_meta.txt";
 
 	// Open file and deserialize
 	std::ifstream is(path.c_str(), std::ios_base::binary);
-	if(is.good() == false)
-	{
-		infostream<<"ServerEnvironment::loadMeta(): Failed to open "
-				<<path<<std::endl;
+	if (!is.good()) {
+		infostream << "ServerEnvironment::loadMeta(): Failed to open "
+				<< path << std::endl;
 		throw SerializationError("Couldn't load env meta");
 	}
 
 	Settings args;
-	
-	for(;;)
-	{
-		if(is.eof())
-			throw SerializationError
-					("ServerEnvironment::loadMeta(): EnvArgsEnd not found");
-		std::string line;
-		std::getline(is, line);
-		std::string trimmedline = trim(line);
-		if(trimmedline == "EnvArgsEnd")
-			break;
-		args.parseConfigLine(line);
+
+	if (!args.parseConfigLines(is, "EnvArgsEnd")) {
+		throw SerializationError("ServerEnvironment::loadMeta(): "
+				"EnvArgsEnd not found!");
 	}
-	
-	try{
+
+	try {
 		m_game_time = args.getU64("game_time");
-	}catch(SettingNotFoundException &e){
+	} catch (SettingNotFoundException &e) {
 		// Getting this is crucial, otherwise timestamps are useless
 		throw SerializationError("Couldn't load env meta game_time");
 	}
 
-	try{
+	try {
 		m_time_of_day = args.getU64("time_of_day");
-	}catch(SettingNotFoundException &e){
+	} catch (SettingNotFoundException &e) {
 		// This is not as important
 		m_time_of_day = 9000;
 	}
@@ -718,6 +614,34 @@ public:
 			}
 		}
 	}
+	// Find out how many objects the given block and its neighbours contain.
+	// Returns the number of objects in the block, and also in 'wider' the
+	// number of objects in the block and all its neighbours. The latter
+	// may an estimate if any neighbours are unloaded.
+	u32 countObjects(MapBlock *block, ServerMap * map, u32 &wider)
+	{
+		wider = 0;
+		u32 wider_unknown_count = 0;
+		for(s16 x=-1; x<=1; x++)
+		for(s16 y=-1; y<=1; y++)
+		for(s16 z=-1; z<=1; z++)
+		{
+			MapBlock *block2 = map->getBlockNoCreateNoEx(
+					block->getPos() + v3s16(x,y,z));
+			if(block2==NULL){
+				wider_unknown_count++;
+				continue;
+			}
+			wider += block2->m_static_objects.m_active.size()
+					+ block2->m_static_objects.m_stored.size();
+		}
+		// Extrapolate
+		u32 active_object_count = block->m_static_objects.m_active.size();
+		u32 wider_known_count = 3*3*3 - wider_unknown_count;
+		wider += wider_unknown_count * wider / wider_known_count;
+		return active_object_count;
+
+	}
 	void apply(MapBlock *block)
 	{
 		if(m_aabms.empty())
@@ -725,6 +649,10 @@ public:
 
 		ServerMap *map = &m_env->getServerMap();
 
+		u32 active_object_count_wider;
+		u32 active_object_count = this->countObjects(block, map, active_object_count_wider);
+		m_env->m_added_objects = 0;
+
 		v3s16 p0;
 		for(p0.X=0; p0.X<MAP_BLOCKSIZE; p0.X++)
 		for(p0.Y=0; p0.Y<MAP_BLOCKSIZE; p0.Y++)
@@ -768,33 +696,16 @@ public:
 				}
 neighbor_found:
 
-				// Find out how many objects the block contains
-				u32 active_object_count = block->m_static_objects.m_active.size();
-				// Find out how many objects this and all the neighbors contain
-				u32 active_object_count_wider = 0;
-				u32 wider_unknown_count = 0;
-				for(s16 x=-1; x<=1; x++)
-				for(s16 y=-1; y<=1; y++)
-				for(s16 z=-1; z<=1; z++)
-				{
-					MapBlock *block2 = map->getBlockNoCreateNoEx(
-							block->getPos() + v3s16(x,y,z));
-					if(block2==NULL){
-						wider_unknown_count = 0;
-						continue;
-					}
-					active_object_count_wider +=
-							block2->m_static_objects.m_active.size()
-							+ block2->m_static_objects.m_stored.size();
-				}
-				// Extrapolate
-				u32 wider_known_count = 3*3*3 - wider_unknown_count;
-				active_object_count_wider += wider_unknown_count * active_object_count_wider / wider_known_count;
-				
 				// Call all the trigger variations
 				i->abm->trigger(m_env, p, n);
 				i->abm->trigger(m_env, p, n,
 						active_object_count, active_object_count_wider);
+
+				// Count surrounding objects again if the abms added any
+				if(m_env->m_added_objects > 0) {
+					active_object_count = countObjects(block, map, active_object_count_wider);
+					m_env->m_added_objects = 0;
+				}
 			}
 		}
 	}
@@ -802,6 +713,14 @@ neighbor_found:
 
 void ServerEnvironment::activateBlock(MapBlock *block, u32 additional_dtime)
 {
+	// Reset usage timer immediately, otherwise a block that becomes active
+	// again at around the same time as it would normally be unloaded will
+	// get unloaded incorrectly. (I think this still leaves a small possibility
+	// of a race condition between this and server::AsyncRunStep, which only
+	// some kind of synchronisation will fix, but it at least reduces the window
+	// of opportunity for it to break from seconds to nanoseconds)
+	block->resetUsageTimer();
+
 	// Get time difference
 	u32 dtime_s = 0;
 	u32 stamp = block->getTimestamp();
@@ -850,19 +769,26 @@ bool ServerEnvironment::setNode(v3s16 p, const MapNode &n)
 {
 	INodeDefManager *ndef = m_gamedef->ndef();
 	MapNode n_old = m_map->getNodeNoEx(p);
+
 	// Call destructor
-	if(ndef->get(n_old).has_on_destruct)
+	if (ndef->get(n_old).has_on_destruct)
 		m_script->node_on_destruct(p, n_old);
+
 	// Replace node
-	bool succeeded = m_map->addNodeWithEvent(p, n);
-	if(!succeeded)
+	if (!m_map->addNodeWithEvent(p, n))
 		return false;
+
+	// Update active VoxelManipulator if a mapgen thread
+	m_map->updateVManip(p);
+
 	// Call post-destructor
-	if(ndef->get(n_old).has_after_destruct)
+	if (ndef->get(n_old).has_after_destruct)
 		m_script->node_after_destruct(p, n_old);
+
 	// Call constructor
-	if(ndef->get(n).has_on_construct)
+	if (ndef->get(n).has_on_construct)
 		m_script->node_on_construct(p, n);
+
 	return true;
 }
 
@@ -870,21 +796,38 @@ bool ServerEnvironment::removeNode(v3s16 p)
 {
 	INodeDefManager *ndef = m_gamedef->ndef();
 	MapNode n_old = m_map->getNodeNoEx(p);
+
 	// Call destructor
-	if(ndef->get(n_old).has_on_destruct)
+	if (ndef->get(n_old).has_on_destruct)
 		m_script->node_on_destruct(p, n_old);
+
 	// Replace with air
 	// This is slightly optimized compared to addNodeWithEvent(air)
-	bool succeeded = m_map->removeNodeWithEvent(p);
-	if(!succeeded)
+	if (!m_map->removeNodeWithEvent(p))
 		return false;
+
+	// Update active VoxelManipulator if a mapgen thread
+	m_map->updateVManip(p);
+
 	// Call post-destructor
-	if(ndef->get(n_old).has_after_destruct)
+	if (ndef->get(n_old).has_after_destruct)
 		m_script->node_after_destruct(p, n_old);
+
 	// Air doesn't require constructor
 	return true;
 }
 
+bool ServerEnvironment::swapNode(v3s16 p, const MapNode &n)
+{
+	if (!m_map->addNodeWithEvent(p, n, false))
+		return false;
+
+	// Update active VoxelManipulator if a mapgen thread
+	m_map->updateVManip(p);
+
+	return true;
+}
+
 std::set<u16> ServerEnvironment::getObjectsInsideRadius(v3f pos, float radius)
 {
 	std::set<u16> objects;
@@ -1008,7 +951,8 @@ void ServerEnvironment::clearAllObjects()
 		}
 		num_blocks_checked++;
 
-		if(num_blocks_checked % report_interval == 0){
+		if(report_interval != 0 &&
+				num_blocks_checked % report_interval == 0){
 			float percent = 100.0 * (float)num_blocks_checked /
 					loadable_blocks.size();
 			infostream<<"ServerEnvironment::clearAllObjects(): "
@@ -1076,7 +1020,7 @@ void ServerEnvironment::step(float dtime)
 				continue;
 			
 			// Move
-			player->move(dtime, *m_map, 100*BS);
+			player->move(dtime, this, 100*BS);
 		}
 	}
 
@@ -1146,10 +1090,8 @@ void ServerEnvironment::step(float dtime)
 		{
 			v3s16 p = *i;
 
-			MapBlock *block = m_map->getBlockNoCreateNoEx(p);
+			MapBlock *block = m_map->getBlockOrEmerge(p);
 			if(block==NULL){
-				// Block needs to be fetched first
-				m_emerger->queueBlockEmerge(p, false);
 				m_active_blocks.m_list.erase(p);
 				continue;
 			}
@@ -1352,6 +1294,7 @@ u16 getFreeServerActiveObjectId(
 u16 ServerEnvironment::addActiveObject(ServerActiveObject *object)
 {
 	assert(object);
+	m_added_objects++;
 	u16 id = addActiveObjectRaw(object, true, 0);
 	return id;
 }
@@ -1361,7 +1304,7 @@ bool ServerEnvironment::addActiveObjectAsStatic(ServerActiveObject *obj)
 {
 	assert(obj);
 
-	v3f objectpos = obj->getBasePosition();	
+	v3f objectpos = obj->getBasePosition();
 
 	// The block in which the object resides in
 	v3s16 blockpos_o = getNodeBlockPos(floatToInt(objectpos, BS));
@@ -1427,8 +1370,8 @@ void ServerEnvironment::getAddedActiveObjects(v3s16 pos, s16 radius,
 		ServerActiveObject *object = i->second;
 		if(object == NULL)
 			continue;
-		// Discard if removed
-		if(object->m_removed)
+		// Discard if removed or deactivating
+		if(object->m_removed || object->m_pending_deactivation)
 			continue;
 		if(object->unlimitedTransferDistance() == false){
 			// Discard if too far
@@ -1478,7 +1421,7 @@ void ServerEnvironment::getRemovedActiveObjects(v3s16 pos, s16 radius,
 			continue;
 		}
 
-		if(object->m_removed)
+		if(object->m_removed || object->m_pending_deactivation)
 		{
 			removed_objects.insert(id);
 			continue;
@@ -1505,7 +1448,9 @@ ActiveObjectMessage ServerEnvironment::getActiveObjectMessage()
 	if(m_active_object_messages.empty())
 		return ActiveObjectMessage(0);
 	
-	return m_active_object_messages.pop_front();
+	ActiveObjectMessage message = m_active_object_messages.front();
+	m_active_object_messages.pop_front();
+	return message;
 }
 
 /*
@@ -1564,21 +1509,19 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
 		StaticObject s_obj(object->getType(), objectpos, staticdata);
 		// Add to the block where the object is located in
 		v3s16 blockpos = getNodeBlockPos(floatToInt(objectpos, BS));
-		MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
-		if(block)
-		{
+		MapBlock *block = m_map->emergeBlock(blockpos);
+		if(block){
 			block->m_static_objects.m_active[object->getId()] = s_obj;
 			object->m_static_exists = true;
 			object->m_static_block = blockpos;
 
 			if(set_changed)
-				block->raiseModified(MOD_STATE_WRITE_NEEDED, 
+				block->raiseModified(MOD_STATE_WRITE_NEEDED,
 						"addActiveObjectRaw");
-		}
-		else{
+		} else {
 			v3s16 p = floatToInt(objectpos, BS);
 			errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
-					<<"could not find block for storing id="<<object->getId()
+					<<"could not emerge block for storing id="<<object->getId()
 					<<" statically (pos="<<PP(p)<<")"<<std::endl;
 		}
 	}
@@ -1624,18 +1567,39 @@ void ServerEnvironment::removeRemovedObjects()
 			if (block) {
 				block->m_static_objects.remove(id);
 				block->raiseModified(MOD_STATE_WRITE_NEEDED,
-						"removeRemovedObjects");
+						"removeRemovedObjects/remove");
 				obj->m_static_exists = false;
 			} else {
-				infostream << "failed to emerge block from which "
-					"an object to be removed was loaded from. id="<<id<<std::endl;
+				infostream<<"Failed to emerge block from which an object to "
+						<<"be removed was loaded from. id="<<id<<std::endl;
 			}
 		}
 
-		// If m_known_by_count > 0, don't actually remove.
+		// If m_known_by_count > 0, don't actually remove. On some future
+		// invocation this will be 0, which is when removal will continue.
 		if(obj->m_known_by_count > 0)
 			continue;
-		
+
+		/*
+			Move static data from active to stored if not marked as removed
+		*/
+		if(obj->m_static_exists && !obj->m_removed){
+			MapBlock *block = m_map->emergeBlock(obj->m_static_block, false);
+			if (block) {
+				std::map<u16, StaticObject>::iterator i =
+						block->m_static_objects.m_active.find(id);
+				if(i != block->m_static_objects.m_active.end()){
+					block->m_static_objects.m_stored.push_back(i->second);
+					block->m_static_objects.m_active.erase(id);
+					block->raiseModified(MOD_STATE_WRITE_NEEDED,
+							"removeRemovedObjects/deactivate");
+				}
+			} else {
+				infostream<<"Failed to emerge block from which an object to "
+						<<"be deactivated was loaded from. id="<<id<<std::endl;
+			}
+		}
+
 		// Tell the object about removal
 		obj->removingFromEnvironment();
 		// Deregister in scripting api
@@ -1716,10 +1680,9 @@ void ServerEnvironment::activateObjects(MapBlock *block, u32 dtime_s)
 				"large amount of objects");
 		return;
 	}
-	// A list for objects that couldn't be converted to active for some
-	// reason. They will be stored back.
+
+	// Activate stored objects
 	std::list<StaticObject> new_stored;
-	// Loop through stored static objects
 	for(std::list<StaticObject>::iterator
 			i = block->m_static_objects.m_stored.begin();
 			i != block->m_static_objects.m_stored.end(); ++i)
@@ -1758,6 +1721,19 @@ void ServerEnvironment::activateObjects(MapBlock *block, u32 dtime_s)
 		StaticObject &s_obj = *i;
 		block->m_static_objects.m_stored.push_back(s_obj);
 	}
+
+	// Turn the active counterparts of activated objects not pending for
+	// deactivation
+	for(std::map<u16, StaticObject>::iterator
+			i = block->m_static_objects.m_active.begin();
+			i != block->m_static_objects.m_active.end(); ++i)
+	{
+		u16 id = i->first;
+		ServerActiveObject *object = getActiveObject(id);
+		assert(object);
+		object->m_pending_deactivation = false;
+	}
+
 	/*
 		Note: Block hasn't really been modified here.
 		The objects have just been activated and moved from the stored
@@ -1777,7 +1753,7 @@ void ServerEnvironment::activateObjects(MapBlock *block, u32 dtime_s)
 	If force_delete is set, active object is deleted nevertheless. It
 	shall only be set so in the destructor of the environment.
 
-	If block wasn't generated (not in memory or on disk), 
+	If block wasn't generated (not in memory or on disk),
 */
 void ServerEnvironment::deactivateFarObjects(bool force_delete)
 {
@@ -1798,11 +1774,52 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
 			continue;
 
 		u16 id = i->first;
-		v3f objectpos = obj->getBasePosition();	
+		v3f objectpos = obj->getBasePosition();
 
 		// The block in which the object resides in
 		v3s16 blockpos_o = getNodeBlockPos(floatToInt(objectpos, BS));
 
+		// If object's static data is stored in a deactivated block and object
+		// is actually located in an active block, re-save to the block in
+		// which the object is actually located in.
+		if(!force_delete &&
+				obj->m_static_exists &&
+				!m_active_blocks.contains(obj->m_static_block) &&
+				 m_active_blocks.contains(blockpos_o))
+		{
+			v3s16 old_static_block = obj->m_static_block;
+
+			// Save to block where object is located
+			MapBlock *block = m_map->emergeBlock(blockpos_o, false);
+			if(!block){
+				errorstream<<"ServerEnvironment::deactivateFarObjects(): "
+						<<"Could not save object id="<<id
+						<<" to it's current block "<<PP(blockpos_o)
+						<<std::endl;
+				continue;
+			}
+			std::string staticdata_new = obj->getStaticData();
+			StaticObject s_obj(obj->getType(), objectpos, staticdata_new);
+			block->m_static_objects.insert(id, s_obj);
+			obj->m_static_block = blockpos_o;
+			block->raiseModified(MOD_STATE_WRITE_NEEDED,
+					"deactivateFarObjects: Static data moved in");
+
+			// Delete from block where object was located
+			block = m_map->emergeBlock(old_static_block, false);
+			if(!block){
+				errorstream<<"ServerEnvironment::deactivateFarObjects(): "
+						<<"Could not delete object id="<<id
+						<<" from it's previous block "<<PP(old_static_block)
+						<<std::endl;
+				continue;
+			}
+			block->m_static_objects.remove(id);
+			block->raiseModified(MOD_STATE_WRITE_NEEDED,
+					"deactivateFarObjects: Static data moved out");
+			continue;
+		}
+
 		// If block is active, don't remove
 		if(!force_delete && m_active_blocks.contains(blockpos_o))
 			continue;
@@ -1877,6 +1894,8 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
 				block = m_map->emergeBlock(blockpos);
 			} catch(InvalidPositionException &e){
 				// Handled via NULL pointer
+				// NOTE: emergeBlock's failure is usually determined by it
+				//       actually returning NULL
 			}
 
 			if(block)
@@ -1890,17 +1909,21 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
 							<<" Forcing delete."<<std::endl;
 					force_delete = true;
 				} else {
-					// If static counterpart already exists, remove it first.
-					// This shouldn't happen, but happens rarely for some
-					// unknown reason. Unsuccessful attempts have been made to
-					// find said reason.
+					// If static counterpart already exists in target block,
+					// remove it first.
+					// This shouldn't happen because the object is removed from
+					// the previous block before this according to
+					// obj->m_static_block, but happens rarely for some unknown
+					// reason. Unsuccessful attempts have been made to find
+					// said reason.
 					if(id && block->m_static_objects.m_active.find(id) != block->m_static_objects.m_active.end()){
 						infostream<<"ServerEnv: WARNING: Performing hack #83274"
 								<<std::endl;
 						block->m_static_objects.remove(id);
 					}
-					//store static data
-					block->m_static_objects.insert(0, s_obj);
+					// Store static data
+					u16 store_id = pending_delete ? id : 0;
+					block->m_static_objects.insert(store_id, s_obj);
 					
 					// Only mark block as modified if data changed considerably
 					if(shall_be_written)
@@ -1980,6 +2003,8 @@ ClientEnvironment::ClientEnvironment(ClientMap *map, scene::ISceneManager *smgr,
 	m_gamedef(gamedef),
 	m_irr(irr)
 {
+	char zero = 0;
+	memset(m_attachements, zero, sizeof(m_attachements));
 }
 
 ClientEnvironment::~ClientEnvironment()
@@ -2295,7 +2320,7 @@ void ClientEnvironment::step(float dtime)
 		if(player->isLocal() == false)
 		{
 			// Move
-			player->move(dtime, *m_map, 100*BS);
+			player->move(dtime, this, 100*BS);
 
 		}
 		
@@ -2574,13 +2599,14 @@ void ClientEnvironment::getActiveObjects(v3f origin, f32 max_d,
 
 ClientEnvEvent ClientEnvironment::getClientEvent()
 {
+	ClientEnvEvent event;
 	if(m_client_event_queue.empty())
-	{
-		ClientEnvEvent event;
 		event.type = CEE_NONE;
-		return event;
+	else {
+		event = m_client_event_queue.front();
+		m_client_event_queue.pop_front();
 	}
-	return m_client_event_queue.pop_front();
+	return event;
 }
 
 #endif // #ifndef SERVER