Omnicleanup: header cleanup, add ModApiUtil shared between game and mainmenu
[oweals/minetest.git] / src / client.cpp
index 3a08b25c2b1b5416c4d49f0bddfe4b9603eb7835..ecbb32dd22ddd9743f768d8770e58071a9c34f0b 100644 (file)
@@ -1,60 +1,63 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #include "client.h"
-#include "utility.h"
 #include <iostream>
 #include "clientserver.h"
 #include "jmutexautolock.h"
 #include "main.h"
 #include <sstream>
+#include "filesys.h"
 #include "porting.h"
 #include "mapsector.h"
 #include "mapblock_mesh.h"
 #include "mapblock.h"
 #include "settings.h"
 #include "profiler.h"
+#include "gettext.h"
 #include "log.h"
 #include "nodemetadata.h"
 #include "nodedef.h"
 #include "itemdef.h"
+#include "shader.h"
 #include <IFileSystem.h>
 #include "sha1.h"
 #include "base64.h"
 #include "clientmap.h"
 #include "filecache.h"
 #include "sound.h"
+#include "util/string.h"
+#include "hex.h"
+#include "IMeshCache.h"
+#include "util/serialize.h"
+#include "config.h"
+#include "util/directiontables.h"
+
+#if USE_CURL
+#include <curl/curl.h>
+#endif
 
-static std::string getTextureCacheDir()
+static std::string getMediaCacheDir()
 {
-       return porting::path_user + DIR_DELIM + "cache" + DIR_DELIM + "textures";
+       return porting::path_user + DIR_DELIM + "cache" + DIR_DELIM + "media";
 }
 
-struct TextureRequest
-{
-       std::string name;
-
-       TextureRequest(const std::string &name_=""):
-               name(name_)
-       {}
-};
-
 /*
        QueuedMeshUpdate
 */
@@ -219,18 +222,61 @@ void * MeshUpdateThread::Thread()
        return NULL;
 }
 
+void * MediaFetchThread::Thread()
+{
+       ThreadStarted();
+
+       log_register_thread("MediaFetchThread");
+
+       DSTACK(__FUNCTION_NAME);
+
+       BEGIN_DEBUG_EXCEPTION_HANDLER
+
+       #if USE_CURL
+       CURL *curl;
+       CURLcode res;
+       for (std::list<MediaRequest>::iterator i = m_file_requests.begin();
+                       i != m_file_requests.end(); ++i) {
+               curl = curl_easy_init();
+               assert(curl);
+               curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
+               curl_easy_setopt(curl, CURLOPT_URL, (m_remote_url + i->name).c_str());
+               curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
+               std::ostringstream stream;
+               curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_write_data);
+               curl_easy_setopt(curl, CURLOPT_WRITEDATA, &stream);
+               res = curl_easy_perform(curl);
+               if (res == CURLE_OK) {
+                       std::string data = stream.str();
+                       m_file_data.push_back(make_pair(i->name, data));
+               } else {
+                       m_failed.push_back(*i);
+                       infostream << "cURL request failed for " << i->name << " (" << curl_easy_strerror(res) << ")"<< std::endl;
+               }
+               curl_easy_cleanup(curl);
+       }
+       #endif
+
+       END_DEBUG_EXCEPTION_HANDLER(errorstream)
+
+       return NULL;
+}
+
 Client::Client(
                IrrlichtDevice *device,
                const char *playername,
                std::string password,
                MapDrawControl &control,
                IWritableTextureSource *tsrc,
+               IWritableShaderSource *shsrc,
                IWritableItemDefManager *itemdef,
                IWritableNodeDefManager *nodedef,
                ISoundManager *sound,
-               MtEventManager *event
+               MtEventManager *event,
+               bool ipv6
 ):
        m_tsrc(tsrc),
+       m_shsrc(shsrc),
        m_itemdef(itemdef),
        m_nodedef(nodedef),
        m_sound(sound),
@@ -243,7 +289,7 @@ Client::Client(
                device->getSceneManager(),
                tsrc, this, device
        ),
-       m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
+       m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, ipv6, this),
        m_device(device),
        m_server_ser_ver(SER_FMT_VER_INVALID),
        m_playeritem(0),
@@ -256,14 +302,16 @@ Client::Client(
        m_map_seed(0),
        m_password(password),
        m_access_denied(false),
-       m_texture_cache(getTextureCacheDir()),
-       m_texture_receive_progress(0),
-       m_textures_received(false),
+       m_media_cache(getMediaCacheDir()),
+       m_media_receive_started(false),
+       m_media_count(0),
+       m_media_received_count(0),
        m_itemdef_received(false),
        m_nodedef_received(false),
        m_time_of_day_set(false),
        m_last_time_of_day_f(-1),
        m_time_of_day_update_timer(0),
+       m_recommended_send_interval(0.1),
        m_removed_sounds_check_timer(0)
 {
        m_packetcounter_timer = 0.0;
@@ -273,12 +321,6 @@ Client::Client(
        m_playerpos_send_timer = 0.0;
        m_ignore_damage_timer = 0.0;
 
-       // Build main texture atlas, now that the GameDef exists (that is, us)
-       if(g_settings->getBool("enable_texture_atlas"))
-               m_tsrc->buildMainAtlas(this);
-       else
-               infostream<<"Not building texture atlas."<<std::endl;
-       
        /*
                Add local player
        */
@@ -289,6 +331,9 @@ Client::Client(
 
                m_env.addPlayer(player);
        }
+
+       for (size_t i = 0; i < g_settings->getU16("media_fetch_threads"); ++i)
+               m_media_fetch_threads.push_back(new MediaFetchThread(this));
 }
 
 Client::~Client()
@@ -301,8 +346,35 @@ Client::~Client()
        m_mesh_update_thread.setRun(false);
        while(m_mesh_update_thread.IsRunning())
                sleep_ms(100);
+       while(!m_mesh_update_thread.m_queue_out.empty()) {
+               MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_front();
+               delete r.mesh;
+       }
+
 
        delete m_inventory_from_server;
+
+       // Delete detached inventories
+       {
+               for(std::map<std::string, Inventory*>::iterator
+                               i = m_detached_inventories.begin();
+                               i != m_detached_inventories.end(); i++){
+                       delete i->second;
+               }
+       }
+
+       for (std::list<MediaFetchThread*>::iterator i = m_media_fetch_threads.begin();
+                       i != m_media_fetch_threads.end(); ++i)
+               delete *i;
+
+       // cleanup 3d model meshes on client shutdown
+       while (m_device->getSceneManager()->getMeshCache()->getMeshCount() != 0) {
+               scene::IAnimatedMesh * mesh =
+                       m_device->getSceneManager()->getMeshCache()->getMeshByIndex(0);
+
+               if (mesh != NULL)
+                       m_device->getSceneManager()->getMeshCache()->removeMesh(mesh);
+       }
 }
 
 void Client::connect(Address address)
@@ -485,13 +557,14 @@ void Client::step(float dtime)
        
                        // Send TOSERVER_INIT
                        // [0] u16 TOSERVER_INIT
-                       // [2] u8 SER_FMT_VER_HIGHEST
+                       // [2] u8 SER_FMT_VER_HIGHEST_READ
                        // [3] u8[20] player_name
                        // [23] u8[28] password (new in some version)
-                       // [51] u16 client network protocol version (new in some version)
-                       SharedBuffer<u8> data(2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2);
+                       // [51] u16 minimum supported network protocol version (added sometime)
+                       // [53] u16 maximum supported network protocol version (added later than the previous one)
+                       SharedBuffer<u8> data(2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2+2);
                        writeU16(&data[0], TOSERVER_INIT);
-                       writeU8(&data[2], SER_FMT_VER_HIGHEST);
+                       writeU8(&data[2], SER_FMT_VER_HIGHEST_READ);
 
                        memset((char*)&data[3], 0, PLAYERNAME_SIZE);
                        snprintf((char*)&data[3], PLAYERNAME_SIZE, "%s", myplayer->getName());
@@ -502,8 +575,8 @@ void Client::step(float dtime)
                        memset((char*)&data[23], 0, PASSWORD_SIZE);
                        snprintf((char*)&data[23], PASSWORD_SIZE, "%s", m_password.c_str());
                        
-                       // This should be incremented in each version
-                       writeU16(&data[51], PROTOCOL_VERSION);
+                       writeU16(&data[51], CLIENT_PROTOCOL_VERSION_MIN);
+                       writeU16(&data[53], CLIENT_PROTOCOL_VERSION_MAX);
 
                        // Send as unreliable
                        Send(0, data, false);
@@ -524,7 +597,7 @@ void Client::step(float dtime)
        if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
        {
                ScopeProfiler sp(g_profiler, "Client: map timer and unload");
-               core::list<v3s16> deleted_blocks;
+               std::list<v3s16> deleted_blocks;
                m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
                                g_settings->getFloat("client_unload_unused_data_timeout"),
                                &deleted_blocks);
@@ -538,8 +611,8 @@ void Client::step(float dtime)
                        NOTE: This loop is intentionally iterated the way it is.
                */
 
-               core::list<v3s16>::Iterator i = deleted_blocks.begin();
-               core::list<v3s16> sendlist;
+               std::list<v3s16>::iterator i = deleted_blocks.begin();
+               std::list<v3s16> sendlist;
                for(;;)
                {
                        if(sendlist.size() == 255 || i == deleted_blocks.end())
@@ -558,9 +631,9 @@ void Client::step(float dtime)
                                writeU16(&reply[0], TOSERVER_DELETEDBLOCKS);
                                reply[2] = sendlist.size();
                                u32 k = 0;
-                               for(core::list<v3s16>::Iterator
+                               for(std::list<v3s16>::iterator
                                                j = sendlist.begin();
-                                               j != sendlist.end(); j++)
+                                               j != sendlist.end(); ++j)
                                {
                                        writeV3S16(&reply[2+1+6*k], *j);
                                        k++;
@@ -574,7 +647,7 @@ void Client::step(float dtime)
                        }
 
                        sendlist.push_back(*i);
-                       i++;
+                       ++i;
                }
        }
 
@@ -620,9 +693,14 @@ void Client::step(float dtime)
                                        m_client_event_queue.push_back(event);
                                }
                        }
+                       else if(event.type == CEE_PLAYER_BREATH)
+                       {
+                                       u16 breath = event.player_breath.amount;
+                                       sendBreath(breath);
+                       }
                }
        }
-       
+
        /*
                Print some info
        */
@@ -645,7 +723,7 @@ void Client::step(float dtime)
        {
                float &counter = m_playerpos_send_timer;
                counter += dtime;
-               if(counter >= 0.2)
+               if(counter >= m_recommended_send_interval)
                {
                        counter = 0.0;
                        sendPlayerPos();
@@ -666,7 +744,7 @@ void Client::step(float dtime)
                                <<std::endl;*/
                
                int num_processed_meshes = 0;
-               while(m_mesh_update_thread.m_queue_out.size() > 0)
+               while(!m_mesh_update_thread.m_queue_out.empty())
                {
                        num_processed_meshes++;
                        MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_front();
@@ -685,6 +763,8 @@ void Client::step(float dtime)
 
                                // Replace with the new mesh
                                block->mesh = r.mesh;
+                       } else {
+                               delete r.mesh;
                        }
                        if(r.ack_block_to_server)
                        {
@@ -713,6 +793,63 @@ void Client::step(float dtime)
                        g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
        }
 
+       /*
+               Load fetched media
+       */
+       if (m_media_receive_started) {
+               bool all_stopped = true;
+               for (std::list<MediaFetchThread*>::iterator thread = m_media_fetch_threads.begin();
+                               thread != m_media_fetch_threads.end(); ++thread) {
+                       all_stopped &= !(*thread)->IsRunning();
+                       while (!(*thread)->m_file_data.empty()) {
+                               std::pair <std::string, std::string> out = (*thread)->m_file_data.pop_front();
+                               if(m_media_received_count < m_media_count)
+                                       m_media_received_count++;
+
+                               bool success = loadMedia(out.second, out.first);
+                               if(success){
+                                       verbosestream<<"Client: Loaded received media: "
+                                                       <<"\""<<out.first<<"\". Caching."<<std::endl;
+                               } else{
+                                       infostream<<"Client: Failed to load received media: "
+                                                       <<"\""<<out.first<<"\". Not caching."<<std::endl;
+                                       continue;
+                               }
+
+                               bool did = fs::CreateAllDirs(getMediaCacheDir());
+                               if(!did){
+                                       errorstream<<"Could not create media cache directory"
+                                                       <<std::endl;
+                               }
+
+                               {
+                                       std::map<std::string, std::string>::iterator n;
+                                       n = m_media_name_sha1_map.find(out.first);
+                                       if(n == m_media_name_sha1_map.end())
+                                               errorstream<<"The server sent a file that has not "
+                                                               <<"been announced."<<std::endl;
+                                       else
+                                               m_media_cache.update_sha1(out.second);
+                               }
+                       }
+               }
+               if (all_stopped) {
+                       std::list<MediaRequest> fetch_failed;
+                       for (std::list<MediaFetchThread*>::iterator thread = m_media_fetch_threads.begin();
+                                       thread != m_media_fetch_threads.end(); ++thread) {
+                               for (std::list<MediaRequest>::iterator request = (*thread)->m_failed.begin();
+                                               request != (*thread)->m_failed.end(); ++request)
+                                       fetch_failed.push_back(*request);
+                               (*thread)->m_failed.clear();
+                       }
+                       if (fetch_failed.size() > 0) {
+                               infostream << "Failed to remote-fetch " << fetch_failed.size() << " files. "
+                                               << "Requesting them the usual way." << std::endl;
+                               request_media(fetch_failed);
+                       }
+               }
+       }
+
        /*
                If the server didn't update the inventory in a while, revert
                the local inventory (so the player notices the lag problem
@@ -795,6 +932,100 @@ void Client::step(float dtime)
        }
 }
 
+bool Client::loadMedia(const std::string &data, const std::string &filename)
+{
+       // Silly irrlicht's const-incorrectness
+       Buffer<char> data_rw(data.c_str(), data.size());
+       
+       std::string name;
+
+       const char *image_ext[] = {
+               ".png", ".jpg", ".bmp", ".tga",
+               ".pcx", ".ppm", ".psd", ".wal", ".rgb",
+               NULL
+       };
+       name = removeStringEnd(filename, image_ext);
+       if(name != "")
+       {
+               verbosestream<<"Client: Attempting to load image "
+               <<"file \""<<filename<<"\""<<std::endl;
+
+               io::IFileSystem *irrfs = m_device->getFileSystem();
+               video::IVideoDriver *vdrv = m_device->getVideoDriver();
+
+               // Create an irrlicht memory file
+               io::IReadFile *rfile = irrfs->createMemoryReadFile(
+                               *data_rw, data_rw.getSize(), "_tempreadfile");
+               assert(rfile);
+               // Read image
+               video::IImage *img = vdrv->createImageFromFile(rfile);
+               if(!img){
+                       errorstream<<"Client: Cannot create image from data of "
+                                       <<"file \""<<filename<<"\""<<std::endl;
+                       rfile->drop();
+                       return false;
+               }
+               else {
+                       m_tsrc->insertSourceImage(filename, img);
+                       img->drop();
+                       rfile->drop();
+                       return true;
+               }
+       }
+
+       const char *sound_ext[] = {
+               ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
+               ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
+               ".ogg", NULL
+       };
+       name = removeStringEnd(filename, sound_ext);
+       if(name != "")
+       {
+               verbosestream<<"Client: Attempting to load sound "
+               <<"file \""<<filename<<"\""<<std::endl;
+               m_sound->loadSoundData(name, data);
+               return true;
+       }
+
+       const char *model_ext[] = {
+               ".x", ".b3d", ".md2", ".obj",
+               NULL
+       };
+       name = removeStringEnd(filename, model_ext);
+       if(name != "")
+       {
+               verbosestream<<"Client: Storing model into Irrlicht: "
+                               <<"\""<<filename<<"\""<<std::endl;
+               scene::ISceneManager *smgr = m_device->getSceneManager();
+
+               //check if mesh was already cached
+               scene::IAnimatedMesh *mesh =
+                       smgr->getMeshCache()->getMeshByName(filename.c_str());
+
+               if (mesh != NULL) {
+                       errorstream << "Multiple models with name: " << filename.c_str() <<
+                                       " found replacing previous model!" << std::endl;
+
+                       smgr->getMeshCache()->removeMesh(mesh);
+                       mesh = 0;
+               }
+
+               io::IFileSystem *irrfs = m_device->getFileSystem();
+               io::IReadFile *rfile = irrfs->createMemoryReadFile(
+                               *data_rw, data_rw.getSize(), filename.c_str());
+               assert(rfile);
+               
+               mesh = smgr->getMesh(rfile);
+               smgr->getMeshCache()->addMesh(filename.c_str(), mesh);
+               rfile->drop();
+               return true;
+       }
+
+       errorstream<<"Client: Don't know how to load file \""
+                       <<filename<<"\""<<std::endl;
+       return false;
+}
+
 // Virtual methods from con::PeerHandler
 void Client::peerAdded(con::Peer *peer)
 {
@@ -808,6 +1039,34 @@ void Client::deletingPeer(con::Peer *peer, bool timeout)
                        <<"(timeout="<<timeout<<")"<<std::endl;
 }
 
+/*
+       u16 command
+       u16 number of files requested
+       for each file {
+               u16 length of name
+               string name
+       }
+*/
+void Client::request_media(const std::list<MediaRequest> &file_requests)
+{
+       std::ostringstream os(std::ios_base::binary);
+       writeU16(os, TOSERVER_REQUEST_MEDIA);
+       writeU16(os, file_requests.size());
+
+       for(std::list<MediaRequest>::const_iterator i = file_requests.begin();
+                       i != file_requests.end(); ++i) {
+               os<<serializeString(i->name);
+       }
+
+       // Make data buffer
+       std::string s = os.str();
+       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+       // Send as reliable
+       Send(0, data, true);
+       infostream<<"Client: Sending media request list to server ("
+                       <<file_requests.size()<<" files)"<<std::endl;
+}
+
 void Client::ReceiveAll()
 {
        DSTACK(__FUNCTION_NAME);
@@ -896,8 +1155,7 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                infostream<<"Client: TOCLIENT_INIT received with "
                                "deployed="<<((int)deployed&0xff)<<std::endl;
 
-               if(deployed < SER_FMT_VER_LOWEST
-                               || deployed > SER_FMT_VER_HIGHEST)
+               if(!ser_ver_supported(deployed))
                {
                        infostream<<"Client: TOCLIENT_INIT: Server sent "
                                        <<"unsupported ser_fmt_ver"<<std::endl;
@@ -927,6 +1185,14 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                        m_map_seed = readU64(&data[2+1+6]);
                        infostream<<"Client: received map seed: "<<m_map_seed<<std::endl;
                }
+
+               if(datasize >= 2+1+6+8+4)
+               {
+                       // Get map seed
+                       m_recommended_send_interval = readF1000(&data[2+1+6+8]);
+                       infostream<<"Client: received recommended send interval "
+                                       <<m_recommended_send_interval<<std::endl;
+               }
                
                // Reply to server
                u32 replysize = 2;
@@ -1034,6 +1300,7 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                        */
                        //infostream<<"Updating"<<std::endl;
                        block->deSerialize(istr, ser_version, false);
+                       block->deSerializeNetworkSpecific(istr);
                }
                else
                {
@@ -1043,6 +1310,7 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                        //infostream<<"Creating new"<<std::endl;
                        block = new MapBlock(&m_env.getMap(), p, this);
                        block->deSerialize(istr, ser_version, false);
+                       block->deSerializeNetworkSpecific(istr);
                        sector->insertBlock(block);
                }
 
@@ -1089,8 +1357,6 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                        std::istringstream is(datastring, std::ios_base::binary);
                        //t3.stop();
                        
-                       //m_env.printPlayers(infostream);
-
                        //TimeTaker t4("player get", m_device);
                        Player *player = m_env.getLocalPlayer();
                        assert(player != NULL);
@@ -1279,6 +1545,26 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                        }
                }
        }
+       else if(command == TOCLIENT_MOVEMENT)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+               Player *player = m_env.getLocalPlayer();
+               assert(player != NULL);
+
+               player->movement_acceleration_default = readF1000(is) * BS;
+               player->movement_acceleration_air = readF1000(is) * BS;
+               player->movement_acceleration_fast = readF1000(is) * BS;
+               player->movement_speed_walk = readF1000(is) * BS;
+               player->movement_speed_crouch = readF1000(is) * BS;
+               player->movement_speed_fast = readF1000(is) * BS;
+               player->movement_speed_climb = readF1000(is) * BS;
+               player->movement_speed_jump = readF1000(is) * BS;
+               player->movement_liquid_fluidity = readF1000(is) * BS;
+               player->movement_liquid_fluidity_smooth = readF1000(is) * BS;
+               player->movement_liquid_sink = readF1000(is) * BS;
+               player->movement_gravity = readF1000(is) * BS;
+       }
        else if(command == TOCLIENT_HP)
        {
                std::string datastring((char*)&data[2], datasize-2);
@@ -1298,6 +1584,15 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                        m_client_event_queue.push_back(event);
                }
        }
+       else if(command == TOCLIENT_BREATH)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+               Player *player = m_env.getLocalPlayer();
+               assert(player != NULL);
+               u16 breath = readU16(is);
+               player->setBreath(breath) ;
+       }
        else if(command == TOCLIENT_MOVE_PLAYER)
        {
                std::string datastring((char*)&data[2], datasize-2);
@@ -1335,45 +1630,7 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
        }
        else if(command == TOCLIENT_PLAYERITEM)
        {
-               std::string datastring((char*)&data[2], datasize-2);
-               std::istringstream is(datastring, std::ios_base::binary);
-
-               u16 count = readU16(is);
-
-               for (u16 i = 0; i < count; ++i) {
-                       u16 peer_id = readU16(is);
-                       Player *player = m_env.getPlayer(peer_id);
-
-                       if (player == NULL)
-                       {
-                               infostream<<"Client: ignoring player item "
-                                       << deSerializeString(is)
-                                       << " for non-existing peer id " << peer_id
-                                       << std::endl;
-                               continue;
-                       } else if (player->isLocal()) {
-                               infostream<<"Client: ignoring player item "
-                                       << deSerializeString(is)
-                                       << " for local player" << std::endl;
-                               continue;
-                       } else {
-                               InventoryList *inv = player->inventory.getList("main");
-                               std::string itemstring(deSerializeString(is));
-                               ItemStack item;
-                               item.deSerialize(itemstring, m_itemdef);
-                               inv->changeItem(0, item);
-                               if(itemstring.empty())
-                               {
-                                       infostream<<"Client: empty player item for peer "
-                                               <<peer_id<<std::endl;
-                               }
-                               else
-                               {
-                                       infostream<<"Client: player item for peer "
-                                               <<peer_id<<": "<<itemstring<<std::endl;
-                               }
-                       }
-               }
+               infostream<<"Client: WARNING: Ignoring TOCLIENT_PLAYERITEM"<<std::endl;
        }
        else if(command == TOCLIENT_DEATHSCREEN)
        {
@@ -1391,11 +1648,8 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                event.deathscreen.camera_point_target_z = camera_point_target.Z;
                m_client_event_queue.push_back(event);
        }
-       else if(command == TOCLIENT_ANNOUNCE_TEXTURES)
+       else if(command == TOCLIENT_ANNOUNCE_MEDIA)
        {
-               io::IFileSystem *irrfs = m_device->getFileSystem();
-               video::IVideoDriver *vdrv = m_device->getVideoDriver();
-
                std::string datastring((char*)&data[2], datasize-2);
                std::istringstream is(datastring, std::ios_base::binary);
 
@@ -1403,136 +1657,104 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                // updating content definitions
                assert(!m_mesh_update_thread.IsRunning());
 
-               int num_textures = readU16(is);
-
-               core::list<TextureRequest> texture_requests;
-
-               for(int i=0; i<num_textures; i++){
+               int num_files = readU16(is);
+               
+               infostream<<"Client: Received media announcement: packet size: "
+                               <<datasize<<std::endl;
 
-                       bool texture_found = false;
+               std::list<MediaRequest> file_requests;
 
-                       //read texture from cache
+               for(int i=0; i<num_files; i++)
+               {
+                       //read file from cache
                        std::string name = deSerializeString(is);
-                       std::string sha1_texture = deSerializeString(is);
+                       std::string sha1_base64 = deSerializeString(is);
 
-                       // if name contains illegal characters, ignore the texture
+                       // if name contains illegal characters, ignore the file
                        if(!string_allowed(name, TEXTURENAME_ALLOWED_CHARS)){
-                               errorstream<<"Client: ignoring illegal texture name "
+                               errorstream<<"Client: ignoring illegal file name "
                                                <<"sent by server: \""<<name<<"\""<<std::endl;
                                continue;
                        }
 
-                       std::string sha1_decoded = base64_decode(sha1_texture);
+                       std::string sha1_raw = base64_decode(sha1_base64);
+                       std::string sha1_hex = hex_encode(sha1_raw);
                        std::ostringstream tmp_os(std::ios_base::binary);
-                       bool tex_in_cache = m_texture_cache.loadByChecksum(name,
-                                       tmp_os, sha1_decoded);
-                       m_texture_name_sha1_map.set(name, sha1_decoded);
-
-                       if(tex_in_cache) {
-
-                               SHA1 sha1;
-                               sha1.addBytes(tmp_os.str().c_str(), tmp_os.str().length());
-
-                               unsigned char *digest = sha1.getDigest();
-
-                               std::string digest_string = base64_encode(digest, 20);
+                       bool found_in_cache = m_media_cache.load_sha1(sha1_raw, tmp_os);
+                       m_media_name_sha1_map[name] = sha1_raw;
 
-                               if (digest_string == sha1_texture) {
-                                       // Silly irrlicht's const-incorrectness
-                                       Buffer<char> data_rw(tmp_os.str().c_str(), tmp_os.str().size());
+                       // If found in cache, try to load it from there
+                       if(found_in_cache)
+                       {
+                               bool success = loadMedia(tmp_os.str(), name);
+                               if(success){
+                                       verbosestream<<"Client: Loaded cached media: "
+                                                       <<sha1_hex<<" \""<<name<<"\""<<std::endl;
+                                       continue;
+                               } else{
+                                       infostream<<"Client: Failed to load cached media: "
+                                                       <<sha1_hex<<" \""<<name<<"\""<<std::endl;
+                               }
+                       }
+                       // Didn't load from cache; queue it to be requested
+                       verbosestream<<"Client: Adding file to request list: \""
+                                       <<sha1_hex<<" \""<<name<<"\""<<std::endl;
+                       file_requests.push_back(MediaRequest(name));
+               }
 
-                                       // Create an irrlicht memory file
-                                       io::IReadFile *rfile = irrfs->createMemoryReadFile(
-                                                       *data_rw,  tmp_os.str().size(), "_tempreadfile");
-                                       assert(rfile);
-                                       // Read image
-                                       video::IImage *img = vdrv->createImageFromFile(rfile);
-                                       if(!img){
-                                               infostream<<"Client: Cannot create image from data of "
-                                                               <<"received texture \""<<name<<"\""<<std::endl;
-                                               rfile->drop();
-                                       }
-                                       else {
-                                               m_tsrc->insertSourceImage(name, img);
-                                               img->drop();
-                                               rfile->drop();
+               std::string remote_media = "";
+               try {
+                       remote_media = deSerializeString(is);
+               }
+               catch(SerializationError) {
+                       // not supported by server or turned off
+               }
 
-                                               texture_found = true;
-                                       }
-                               }
-                               else {
-                                       infostream<<"Client::Texture cached sha1 hash not matching server hash: "
-                                                       <<name << ": server ->"<<sha1_texture <<" client -> "<<digest_string<<std::endl;
-                               }
+               m_media_count = file_requests.size();
+               m_media_receive_started = true;
 
-                               free(digest);
+               if (remote_media == "" || !USE_CURL) {
+                       request_media(file_requests);
+               } else {
+                       #if USE_CURL
+                       std::list<MediaFetchThread*>::iterator cur = m_media_fetch_threads.begin();
+                       for(std::list<MediaRequest>::iterator i = file_requests.begin();
+                                       i != file_requests.end(); ++i) {
+                               (*cur)->m_file_requests.push_back(*i);
+                               cur++;
+                               if (cur == m_media_fetch_threads.end())
+                                       cur = m_media_fetch_threads.begin();
                        }
-
-                       //add texture request
-                       if (!texture_found) {
-                               infostream<<"Client: Adding texture to request list: \""
-                                               <<name<<"\""<<std::endl;
-                               texture_requests.push_back(TextureRequest(name));
+                       for (std::list<MediaFetchThread*>::iterator i = m_media_fetch_threads.begin();
+                                       i != m_media_fetch_threads.end(); ++i) {
+                               (*i)->m_remote_url = remote_media;
+                               (*i)->Start();
                        }
+                       #endif
 
+                       // notify server we received everything
+                       std::ostringstream os(std::ios_base::binary);
+                       writeU16(os, TOSERVER_RECEIVED_MEDIA);
+                       std::string s = os.str();
+                       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+                       // Send as reliable
+                       Send(0, data, true);
                }
-
                ClientEvent event;
                event.type = CE_TEXTURES_UPDATED;
                m_client_event_queue.push_back(event);
-
-
-               //send Texture request
-               /*
-                               u16 command
-                               u16 number of textures requested
-                               for each texture {
-                                       u16 length of name
-                                       string name
-                               }
-                */
-               std::ostringstream os(std::ios_base::binary);
-               u8 buf[12];
-
-
-               // Write command
-               writeU16(buf, TOSERVER_REQUEST_TEXTURES);
-               os.write((char*)buf, 2);
-
-               writeU16(buf,texture_requests.size());
-               os.write((char*)buf, 2);
-
-
-               for(core::list<TextureRequest>::Iterator i = texture_requests.begin();
-                               i != texture_requests.end(); i++) {
-                       os<<serializeString(i->name);
-               }
-
-               // Make data buffer
-               std::string s = os.str();
-               SharedBuffer<u8> data((u8*)s.c_str(), s.size());
-               // Send as reliable
-               Send(0, data, true);
-               infostream<<"Client: Sending request list to server " <<std::endl;
        }
-       else if(command == TOCLIENT_TEXTURES)
+       else if(command == TOCLIENT_MEDIA)
        {
-               io::IFileSystem *irrfs = m_device->getFileSystem();
-               video::IVideoDriver *vdrv = m_device->getVideoDriver();
-
                std::string datastring((char*)&data[2], datasize-2);
                std::istringstream is(datastring, std::ios_base::binary);
 
-               // Mesh update thread must be stopped while
-               // updating content definitions
-               assert(!m_mesh_update_thread.IsRunning());
-
                /*
                        u16 command
-                       u16 total number of texture bunches
+                       u16 total number of file bunches
                        u16 index of this bunch
-                       u32 number of textures in this bunch
-                       for each texture {
+                       u32 number of files in this bunch
+                       for each file {
                                u16 length of name
                                string name
                                u32 length of data
@@ -1541,55 +1763,67 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                */
                int num_bunches = readU16(is);
                int bunch_i = readU16(is);
-               m_texture_receive_progress = (float)bunch_i / (float)(num_bunches - 1);
-               if(bunch_i == num_bunches - 1)
-                       m_textures_received = true;
-               int num_textures = readU32(is);
-               infostream<<"Client: Received textures: bunch "<<bunch_i<<"/"
-                               <<num_bunches<<" textures="<<num_textures
+               u32 num_files = readU32(is);
+               infostream<<"Client: Received files: bunch "<<bunch_i<<"/"
+                               <<num_bunches<<" files="<<num_files
                                <<" size="<<datasize<<std::endl;
-               for(int i=0; i<num_textures; i++){
+
+               // Check total and received media count
+               assert(m_media_received_count <= m_media_count);
+               if (num_files > m_media_count - m_media_received_count) {
+                       errorstream<<"Client: Received more files than requested:"
+                               <<" total count="<<m_media_count
+                               <<" total received="<<m_media_received_count
+                               <<" bunch "<<bunch_i<<"/"<<num_bunches
+                               <<" files="<<num_files
+                               <<" size="<<datasize<<std::endl;
+                       num_files = m_media_count - m_media_received_count;
+               }
+               if (num_files == 0)
+                       return;
+
+               // Mesh update thread must be stopped while
+               // updating content definitions
+               assert(!m_mesh_update_thread.IsRunning());
+
+               for(u32 i=0; i<num_files; i++){
+                       assert(m_media_received_count < m_media_count);
+                       m_media_received_count++;
                        std::string name = deSerializeString(is);
                        std::string data = deSerializeLongString(is);
 
-                       // if name contains illegal characters, ignore the texture
+                       // if name contains illegal characters, ignore the file
                        if(!string_allowed(name, TEXTURENAME_ALLOWED_CHARS)){
-                               errorstream<<"Client: ignoring illegal texture name "
+                               errorstream<<"Client: ignoring illegal file name "
                                                <<"sent by server: \""<<name<<"\""<<std::endl;
                                continue;
                        }
-
-                       // Silly irrlicht's const-incorrectness
-                       Buffer<char> data_rw(data.c_str(), data.size());
-                       // Create an irrlicht memory file
-                       io::IReadFile *rfile = irrfs->createMemoryReadFile(
-                                       *data_rw, data.size(), "_tempreadfile");
-                       assert(rfile);
-                       // Read image
-                       video::IImage *img = vdrv->createImageFromFile(rfile);
-                       if(!img){
-                               errorstream<<"Client: Cannot create image from data of "
-                                               <<"received texture \""<<name<<"\""<<std::endl;
-                               rfile->drop();
+                       
+                       bool success = loadMedia(data, name);
+                       if(success){
+                               verbosestream<<"Client: Loaded received media: "
+                                               <<"\""<<name<<"\". Caching."<<std::endl;
+                       } else{
+                               infostream<<"Client: Failed to load received media: "
+                                               <<"\""<<name<<"\". Not caching."<<std::endl;
                                continue;
                        }
 
-                       fs::CreateAllDirs(getTextureCacheDir());
+                       bool did = fs::CreateAllDirs(getMediaCacheDir());
+                       if(!did){
+                               errorstream<<"Could not create media cache directory"
+                                               <<std::endl;
+                       }
 
                        {
-                               core::map<std::string, std::string>::Node *n;
-                               n = m_texture_name_sha1_map.find(name);
-                               if(n == NULL)
-                                       errorstream<<"The server sent a texture that has not been announced."
-                                               <<std::endl;
+                               std::map<std::string, std::string>::iterator n;
+                               n = m_media_name_sha1_map.find(name);
+                               if(n == m_media_name_sha1_map.end())
+                                       errorstream<<"The server sent a file that has not "
+                                                       <<"been announced."<<std::endl;
                                else
-                                       m_texture_cache.updateByChecksum(name,
-                                                       data, n->getValue());
+                                       m_media_cache.update_sha1(data);
                        }
-
-                       m_tsrc->insertSourceImage(name, img);
-                       img->drop();
-                       rfile->drop();
                }
 
                ClientEvent event;
@@ -1662,10 +1896,10 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                int client_id = -1;
                switch(type){
                case 0: // local
-                       client_id = m_sound->playSound(name, false, gain);
+                       client_id = m_sound->playSound(name, loop, gain);
                        break;
                case 1: // positional
-                       client_id = m_sound->playSoundAt(name, false, gain, pos);
+                       client_id = m_sound->playSoundAt(name, loop, gain, pos);
                        break;
                case 2: { // object
                        ClientActiveObject *cao = m_env.getActiveObject(object_id);
@@ -1697,6 +1931,252 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                        m_sound->stopSound(client_id);
                }
        }
+       else if(command == TOCLIENT_PRIVILEGES)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+               
+               m_privileges.clear();
+               infostream<<"Client: Privileges updated: ";
+               u16 num_privileges = readU16(is);
+               for(u16 i=0; i<num_privileges; i++){
+                       std::string priv = deSerializeString(is);
+                       m_privileges.insert(priv);
+                       infostream<<priv<<" ";
+               }
+               infostream<<std::endl;
+       }
+       else if(command == TOCLIENT_INVENTORY_FORMSPEC)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               // Store formspec in LocalPlayer
+               Player *player = m_env.getLocalPlayer();
+               assert(player != NULL);
+               player->inventory_formspec = deSerializeLongString(is);
+       }
+       else if(command == TOCLIENT_DETACHED_INVENTORY)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               std::string name = deSerializeString(is);
+               
+               infostream<<"Client: Detached inventory update: \""<<name<<"\""<<std::endl;
+
+               Inventory *inv = NULL;
+               if(m_detached_inventories.count(name) > 0)
+                       inv = m_detached_inventories[name];
+               else{
+                       inv = new Inventory(m_itemdef);
+                       m_detached_inventories[name] = inv;
+               }
+               inv->deSerialize(is);
+       }
+       else if(command == TOCLIENT_SHOW_FORMSPEC)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               std::string formspec = deSerializeLongString(is);
+               std::string formname = deSerializeString(is);
+
+               ClientEvent event;
+               event.type = CE_SHOW_FORMSPEC;
+               // pointer is required as event is a struct only!
+               // adding a std:string to a struct isn't possible
+               event.show_formspec.formspec = new std::string(formspec);
+               event.show_formspec.formname = new std::string(formname);
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_SPAWN_PARTICLE)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               v3f pos = readV3F1000(is);
+               v3f vel = readV3F1000(is);
+               v3f acc = readV3F1000(is);
+               float expirationtime = readF1000(is);
+               float size = readF1000(is);
+               bool collisiondetection = readU8(is);
+               std::string texture = deSerializeLongString(is);
+
+               ClientEvent event;
+               event.type = CE_SPAWN_PARTICLE;
+               event.spawn_particle.pos = new v3f (pos);
+               event.spawn_particle.vel = new v3f (vel);
+               event.spawn_particle.acc = new v3f (acc);
+
+               event.spawn_particle.expirationtime = expirationtime;
+               event.spawn_particle.size = size;
+               event.spawn_particle.collisiondetection =
+                               collisiondetection;
+               event.spawn_particle.texture = new std::string(texture);
+
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_ADD_PARTICLESPAWNER)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               u16 amount = readU16(is);
+               float spawntime = readF1000(is);
+               v3f minpos = readV3F1000(is);
+               v3f maxpos = readV3F1000(is);
+               v3f minvel = readV3F1000(is);
+               v3f maxvel = readV3F1000(is);
+               v3f minacc = readV3F1000(is);
+               v3f maxacc = readV3F1000(is);
+               float minexptime = readF1000(is);
+               float maxexptime = readF1000(is);
+               float minsize = readF1000(is);
+               float maxsize = readF1000(is);
+               bool collisiondetection = readU8(is);
+               std::string texture = deSerializeLongString(is);
+               u32 id = readU32(is);
+
+               ClientEvent event;
+               event.type = CE_ADD_PARTICLESPAWNER;
+               event.add_particlespawner.amount = amount;
+               event.add_particlespawner.spawntime = spawntime;
+
+               event.add_particlespawner.minpos = new v3f (minpos);
+               event.add_particlespawner.maxpos = new v3f (maxpos);
+               event.add_particlespawner.minvel = new v3f (minvel);
+               event.add_particlespawner.maxvel = new v3f (maxvel);
+               event.add_particlespawner.minacc = new v3f (minacc);
+               event.add_particlespawner.maxacc = new v3f (maxacc);
+
+               event.add_particlespawner.minexptime = minexptime;
+               event.add_particlespawner.maxexptime = maxexptime;
+               event.add_particlespawner.minsize = minsize;
+               event.add_particlespawner.maxsize = maxsize;
+               event.add_particlespawner.collisiondetection = collisiondetection;
+               event.add_particlespawner.texture = new std::string(texture);
+               event.add_particlespawner.id = id;
+
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_DELETE_PARTICLESPAWNER)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               u32 id = readU16(is);
+
+               ClientEvent event;
+               event.type = CE_DELETE_PARTICLESPAWNER;
+               event.delete_particlespawner.id = id;
+
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_HUDADD)
+       {
+               std::string datastring((char *)&data[2], datasize - 2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               u32 id           = readU32(is);
+               u8 type          = readU8(is);
+               v2f pos          = readV2F1000(is);
+               std::string name = deSerializeString(is);
+               v2f scale        = readV2F1000(is);
+               std::string text = deSerializeString(is);
+               u32 number       = readU32(is);
+               u32 item         = readU32(is);
+               u32 dir          = readU32(is);
+               v2f align        = readV2F1000(is);
+               v2f offset       = readV2F1000(is);
+
+               ClientEvent event;
+               event.type = CE_HUDADD;
+               event.hudadd.id     = id;
+               event.hudadd.type   = type;
+               event.hudadd.pos    = new v2f(pos);
+               event.hudadd.name   = new std::string(name);
+               event.hudadd.scale  = new v2f(scale);
+               event.hudadd.text   = new std::string(text);
+               event.hudadd.number = number;
+               event.hudadd.item   = item;
+               event.hudadd.dir    = dir;
+               event.hudadd.align  = new v2f(align);
+               event.hudadd.offset = new v2f(offset);
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_HUDRM)
+       {
+               std::string datastring((char *)&data[2], datasize - 2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               u32 id = readU32(is);
+
+               ClientEvent event;
+               event.type = CE_HUDRM;
+               event.hudrm.id = id;
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_HUDCHANGE)
+       {       
+               std::string sdata;
+               v2f v2fdata;
+               u32 intdata = 0;
+               
+               std::string datastring((char *)&data[2], datasize - 2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               u32 id  = readU32(is);
+               u8 stat = (HudElementStat)readU8(is);
+               
+               if (stat == HUD_STAT_POS || stat == HUD_STAT_SCALE ||
+                       stat == HUD_STAT_ALIGN || stat == HUD_STAT_OFFSET)
+                       v2fdata = readV2F1000(is);
+               else if (stat == HUD_STAT_NAME || stat == HUD_STAT_TEXT)
+                       sdata = deSerializeString(is);
+               else
+                       intdata = readU32(is);
+               
+               ClientEvent event;
+               event.type = CE_HUDCHANGE;
+               event.hudchange.id      = id;
+               event.hudchange.stat    = (HudElementStat)stat;
+               event.hudchange.v2fdata = new v2f(v2fdata);
+               event.hudchange.sdata   = new std::string(sdata);
+               event.hudchange.data    = intdata;
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_HUD_SET_FLAGS)
+       {       
+               std::string datastring((char *)&data[2], datasize - 2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               Player *player = m_env.getLocalPlayer();
+               assert(player != NULL);
+
+               u32 flags = readU32(is);
+               u32 mask  = readU32(is);
+               
+               player->hud_flags &= ~mask;
+               player->hud_flags |= flags;
+       }
+       else if(command == TOCLIENT_HUD_SET_PARAM)
+       {
+               std::string datastring((char *)&data[2], datasize - 2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               Player *player = m_env.getLocalPlayer();
+               assert(player != NULL);
+
+               u16 param         = readU16(is);
+               std::string value = deSerializeString(is);
+
+               if(param == HUD_PARAM_HOTBAR_ITEMCOUNT && value.size() == 4){
+                       s32 hotbar_itemcount = readS32((u8*) value.c_str());
+                       if(hotbar_itemcount > 0 && hotbar_itemcount <= HUD_HOTBAR_ITEMCOUNT_MAX)
+                               player->hud_hotbar_itemcount = hotbar_itemcount;
+               }
+       }
        else
        {
                infostream<<"Client: Ignoring unknown command "
@@ -1748,33 +2228,23 @@ void Client::interact(u8 action, const PointedThing& pointed)
        Send(0, data, true);
 }
 
-void Client::sendSignNodeText(v3s16 p, std::string text)
+void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
+               const std::map<std::string, std::string> &fields)
 {
-       /*
-               u16 command
-               v3s16 p
-               u16 textlen
-               textdata
-       */
        std::ostringstream os(std::ios_base::binary);
-       u8 buf[12];
-       
-       // Write command
-       writeU16(buf, TOSERVER_SIGNNODETEXT);
-       os.write((char*)buf, 2);
-       
-       // Write p
-       writeV3S16(buf, p);
-       os.write((char*)buf, 6);
 
-       u16 textlen = text.size();
-       // Write text length
-       writeS16(buf, textlen);
-       os.write((char*)buf, 2);
+       writeU16(os, TOSERVER_NODEMETA_FIELDS);
+       writeV3S16(os, p);
+       os<<serializeString(formname);
+       writeU16(os, fields.size());
+       for(std::map<std::string, std::string>::const_iterator
+                       i = fields.begin(); i != fields.end(); i++){
+               const std::string &name = i->first;
+               const std::string &value = i->second;
+               os<<serializeString(name);
+               os<<serializeLongString(value);
+       }
 
-       // Write text
-       os.write((char*)text.c_str(), textlen);
-       
        // Make data buffer
        std::string s = os.str();
        SharedBuffer<u8> data((u8*)s.c_str(), s.size());
@@ -1782,6 +2252,29 @@ void Client::sendSignNodeText(v3s16 p, std::string text)
        Send(0, data, true);
 }
        
+void Client::sendInventoryFields(const std::string &formname, 
+               const std::map<std::string, std::string> &fields)
+{
+       std::ostringstream os(std::ios_base::binary);
+
+       writeU16(os, TOSERVER_INVENTORY_FIELDS);
+       os<<serializeString(formname);
+       writeU16(os, fields.size());
+       for(std::map<std::string, std::string>::const_iterator
+                       i = fields.begin(); i != fields.end(); i++){
+               const std::string &name = i->first;
+               const std::string &value = i->second;
+               os<<serializeString(name);
+               os<<serializeLongString(value);
+       }
+
+       // Make data buffer
+       std::string s = os.str();
+       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+       // Send as reliable
+       Send(0, data, true);
+}
+
 void Client::sendInventoryAction(InventoryAction *a)
 {
        std::ostringstream os(std::ios_base::binary);
@@ -1880,6 +2373,20 @@ void Client::sendDamage(u8 damage)
        Send(0, data, true);
 }
 
+void Client::sendBreath(u16 breath)
+{
+       DSTACK(__FUNCTION_NAME);
+       std::ostringstream os(std::ios_base::binary);
+
+       writeU16(os, TOSERVER_BREATH);
+       writeU16(os, breath);
+       // Make data buffer
+       std::string s = os.str();
+       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+       // Send as reliable
+       Send(0, data, true);
+}
+
 void Client::sendRespawn()
 {
        DSTACK(__FUNCTION_NAME);
@@ -1898,10 +2405,24 @@ void Client::sendPlayerPos()
 {
        //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
        
-       Player *myplayer = m_env.getLocalPlayer();
+       LocalPlayer *myplayer = m_env.getLocalPlayer();
        if(myplayer == NULL)
                return;
-       
+
+       // Save bandwidth by only updating position when something changed
+       if(myplayer->last_position == myplayer->getPosition() &&
+                       myplayer->last_speed == myplayer->getSpeed() &&
+                       myplayer->last_pitch == myplayer->getPitch() &&
+                       myplayer->last_yaw == myplayer->getYaw() &&
+                       myplayer->last_keyPressed == myplayer->keyPressed)
+               return;
+
+       myplayer->last_position = myplayer->getPosition();
+       myplayer->last_speed = myplayer->getSpeed();
+       myplayer->last_pitch = myplayer->getPitch();
+       myplayer->last_yaw = myplayer->getYaw();
+       myplayer->last_keyPressed = myplayer->keyPressed;
+
        u16 our_peer_id;
        {
                //JMutexAutoLock lock(m_con_mutex); //bulk comment-out
@@ -1920,7 +2441,7 @@ void Client::sendPlayerPos()
        v3s32 speed(sf.X*100, sf.Y*100, sf.Z*100);
        s32 pitch = myplayer->getPitch() * 100;
        s32 yaw = myplayer->getYaw() * 100;
-
+       u32 keyPressed=myplayer->keyPressed;
        /*
                Format:
                [0] u16 command
@@ -1928,15 +2449,15 @@ void Client::sendPlayerPos()
                [2+12] v3s32 speed*100
                [2+12+12] s32 pitch*100
                [2+12+12+4] s32 yaw*100
+               [2+12+12+4+4] u32 keyPressed
        */
-
-       SharedBuffer<u8> data(2+12+12+4+4);
+       SharedBuffer<u8> data(2+12+12+4+4+4);
        writeU16(&data[0], TOSERVER_PLAYERPOS);
        writeV3S32(&data[2], position);
        writeV3S32(&data[2+12], speed);
        writeS32(&data[2+12+12], pitch);
-       writeS32(&data[2+12+12+4], yaw);
-
+       writeS32(&data[2+12+12+4], yaw);        
+       writeU32(&data[2+12+12+4+4], keyPressed);
        // Send as unreliable
        Send(0, data, false);
 }
@@ -1965,7 +2486,7 @@ void Client::sendPlayerItem(u16 item)
 
 void Client::removeNode(v3s16 p)
 {
-       core::map<v3s16, MapBlock*> modified_blocks;
+       std::map<v3s16, MapBlock*> modified_blocks;
 
        try
        {
@@ -1979,12 +2500,11 @@ void Client::removeNode(v3s16 p)
        // add urgent task to update the modified node
        addUpdateMeshTaskForNode(p, false, true);
 
-       for(core::map<v3s16, MapBlock * >::Iterator
-                       i = modified_blocks.getIterator();
-                       i.atEnd() == false; i++)
+       for(std::map<v3s16, MapBlock * >::iterator
+                       i = modified_blocks.begin();
+                       i != modified_blocks.end(); ++i)
        {
-               v3s16 p = i.getNode()->getKey();
-               addUpdateMeshTaskWithEdge(p);
+               addUpdateMeshTaskWithEdge(i->first);
        }
 }
 
@@ -1992,7 +2512,7 @@ void Client::addNode(v3s16 p, MapNode n)
 {
        TimeTaker timer1("Client::addNode()");
 
-       core::map<v3s16, MapBlock*> modified_blocks;
+       std::map<v3s16, MapBlock*> modified_blocks;
 
        try
        {
@@ -2002,12 +2522,11 @@ void Client::addNode(v3s16 p, MapNode n)
        catch(InvalidPositionException &e)
        {}
        
-       for(core::map<v3s16, MapBlock * >::Iterator
-                       i = modified_blocks.getIterator();
-                       i.atEnd() == false; i++)
+       for(std::map<v3s16, MapBlock * >::iterator
+                       i = modified_blocks.begin();
+                       i != modified_blocks.end(); ++i)
        {
-               v3s16 p = i.getNode()->getKey();
-               addUpdateMeshTaskWithEdge(p);
+               addUpdateMeshTaskWithEdge(i->first);
        }
 }
        
@@ -2076,6 +2595,13 @@ Inventory* Client::getInventory(const InventoryLocation &loc)
                return meta->getInventory();
        }
        break;
+       case InventoryLocation::DETACHED:
+       {
+               if(m_detached_inventories.count(loc.name) == 0)
+                       return NULL;
+               return m_detached_inventories[loc.name];
+       }
+       break;
        default:
                assert(0);
        }
@@ -2092,6 +2618,9 @@ void Client::inventoryAction(InventoryAction *a)
                Predict some local inventory changes
        */
        a->clientApply(this, this);
+
+       // Remove it
+       delete a;
 }
 
 ClientActiveObject * Client::getSelectedActiveObject(
@@ -2100,7 +2629,7 @@ ClientActiveObject * Client::getSelectedActiveObject(
                core::line3d<f32> shootline_on_map
        )
 {
-       core::array<DistanceSortedActiveObject> objects;
+       std::vector<DistanceSortedActiveObject> objects;
 
        m_env.getActiveObjects(from_pos_f_on_map, max_d, objects);
 
@@ -2108,7 +2637,7 @@ ClientActiveObject * Client::getSelectedActiveObject(
        
        // Sort them.
        // After this, the closest object is the first in the array.
-       objects.sort();
+       std::sort(objects.begin(), objects.end());
 
        for(u32 i=0; i<objects.size(); i++)
        {
@@ -2147,18 +2676,9 @@ void Client::printDebugInfo(std::ostream &os)
                <<std::endl;*/
 }
 
-core::list<std::wstring> Client::getConnectedPlayerNames()
+std::list<std::string> Client::getConnectedPlayerNames()
 {
-       core::list<Player*> players = m_env.getPlayers(true);
-       core::list<std::wstring> playerNames;
-       for(core::list<Player*>::Iterator
-                       i = players.begin();
-                       i != players.end(); i++)
-       {
-               Player *player = *i;
-               playerNames.push_back(narrow_to_wide(player->getName()));
-       }
-       return playerNames;
+       return m_env.getPlayerNames();
 }
 
 float Client::getAnimationTime()
@@ -2198,6 +2718,13 @@ u16 Client::getHP()
        return player->hp;
 }
 
+u16 Client::getBreath()
+{
+       Player *player = m_env.getLocalPlayer();
+       assert(player != NULL);
+       return player->getBreath();
+}
+
 bool Client::getChatMessage(std::wstring &message)
 {
        if(m_chat_queue.size() == 0)
@@ -2285,21 +2812,14 @@ void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool
        }
        catch(InvalidPositionException &e){}
        // Leading edge
-       try{
-               v3s16 p = blockpos + v3s16(-1,0,0);
-               addUpdateMeshTask(p, false, urgent);
-       }
-       catch(InvalidPositionException &e){}
-       try{
-               v3s16 p = blockpos + v3s16(0,-1,0);
-               addUpdateMeshTask(p, false, urgent);
-       }
-       catch(InvalidPositionException &e){}
-       try{
-               v3s16 p = blockpos + v3s16(0,0,-1);
-               addUpdateMeshTask(p, false, urgent);
+       for (int i=0;i<6;i++)
+       {
+               try{
+                       v3s16 p = blockpos + g_6dirs[i];
+                       addUpdateMeshTask(p, false, urgent);
+               }
+               catch(InvalidPositionException &e){}
        }
-       catch(InvalidPositionException &e){}
 }
 
 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
@@ -2354,34 +2874,64 @@ ClientEvent Client::getClientEvent()
        return m_client_event_queue.pop_front();
 }
 
-void Client::afterContentReceived()
+void draw_load_screen(const std::wstring &text,
+               IrrlichtDevice* device, gui::IGUIFont* font,
+               float dtime=0 ,int percent=0, bool clouds=true);
+void Client::afterContentReceived(IrrlichtDevice *device, gui::IGUIFont* font)
 {
+       infostream<<"Client::afterContentReceived() started"<<std::endl;
        assert(m_itemdef_received);
        assert(m_nodedef_received);
-       assert(m_textures_received);
-
+       assert(texturesReceived());
+       
        // remove the information about which checksum each texture
        // ought to have
-       m_texture_name_sha1_map.clear();
+       m_media_name_sha1_map.clear();
 
        // Rebuild inherited images and recreate textures
+       infostream<<"- Rebuilding images and textures"<<std::endl;
        m_tsrc->rebuildImagesAndTextures();
 
-       // Update texture atlas
-       if(g_settings->getBool("enable_texture_atlas"))
-               m_tsrc->buildMainAtlas(this);
+       // Rebuild shaders
+       infostream<<"- Rebuilding shaders"<<std::endl;
+       m_shsrc->rebuildShaders();
 
        // Update node aliases
+       infostream<<"- Updating node aliases"<<std::endl;
        m_nodedef->updateAliases(m_itemdef);
 
        // Update node textures
+       infostream<<"- Updating node textures"<<std::endl;
        m_nodedef->updateTextures(m_tsrc);
 
-       // Update item textures and meshes
-       m_itemdef->updateTexturesAndMeshes(this);
+       // Preload item textures and meshes if configured to
+       if(g_settings->getBool("preload_item_visuals"))
+       {
+               verbosestream<<"Updating item textures and meshes"<<std::endl;
+               wchar_t* text = wgettext("Item textures...");
+               draw_load_screen(text,device,font,0,0);
+               std::set<std::string> names = m_itemdef->getAll();
+               size_t size = names.size();
+               size_t count = 0;
+               int percent = 0;
+               for(std::set<std::string>::const_iterator
+                               i = names.begin(); i != names.end(); ++i){
+                       // Asking for these caches the result
+                       m_itemdef->getInventoryTexture(*i, this);
+                       m_itemdef->getWieldMesh(*i, this);
+                       count++;
+                       percent = count*100/size;
+                       if (count%50 == 0) // only update every 50 item
+                               draw_load_screen(text,device,font,0,percent);
+               }
+               delete[] text;
+       }
 
        // Start mesh update thread after setting up content definitions
+       infostream<<"- Starting mesh update thread"<<std::endl;
        m_mesh_update_thread.Start();
+       
+       infostream<<"Client::afterContentReceived() done"<<std::endl;
 }
 
 float Client::getRTT(void)
@@ -2412,6 +2962,10 @@ ITextureSource* Client::getTextureSource()
 {
        return m_tsrc;
 }
+IShaderSource* Client::getShaderSource()
+{
+       return m_shsrc;
+}
 u16 Client::allocateUnknownNodeId(const std::string &name)
 {
        errorstream<<"Client::allocateUnknownNodeId(): "