]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/client.cpp
Split HUD code off to hud.cpp, make into a class, extensive Lua HUD modification
[dragonfireclient.git] / src / client.cpp
index a777293a36dc01128025a93f0505fc3ec2a9c0dc..03a710599a4af4b3c035910013e21a96bbbf407c 100644 (file)
@@ -1,24 +1,23 @@
 /*
-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"
@@ -31,6 +30,30 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "settings.h"
 #include "profiler.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"
+
+#if USE_CURL
+#include <curl/curl.h>
+#endif
+
+static std::string getMediaCacheDir()
+{
+       return porting::path_user + DIR_DELIM + "cache" + DIR_DELIM + "media";
+}
 
 /*
        QueuedMeshUpdate
@@ -62,8 +85,9 @@ MeshUpdateQueue::~MeshUpdateQueue()
 {
        JMutexAutoLock lock(m_mutex);
 
-       core::list<QueuedMeshUpdate*>::Iterator i;
-       for(i=m_queue.begin(); i!=m_queue.end(); i++)
+       for(std::vector<QueuedMeshUpdate*>::iterator
+                       i = m_queue.begin();
+                       i != m_queue.end(); i++)
        {
                QueuedMeshUpdate *q = *i;
                delete q;
@@ -73,7 +97,7 @@ MeshUpdateQueue::~MeshUpdateQueue()
 /*
        peer_id=0 adds with nobody to send to
 */
-void MeshUpdateQueue::addBlock(v3s16 p, MeshMakeData *data, bool ack_block_to_server)
+void MeshUpdateQueue::addBlock(v3s16 p, MeshMakeData *data, bool ack_block_to_server, bool urgent)
 {
        DSTACK(__FUNCTION_NAME);
 
@@ -81,12 +105,16 @@ void MeshUpdateQueue::addBlock(v3s16 p, MeshMakeData *data, bool ack_block_to_se
 
        JMutexAutoLock lock(m_mutex);
 
+       if(urgent)
+               m_urgents.insert(p);
+
        /*
                Find if block is already in queue.
                If it is, update the data and quit.
        */
-       core::list<QueuedMeshUpdate*>::Iterator i;
-       for(i=m_queue.begin(); i!=m_queue.end(); i++)
+       for(std::vector<QueuedMeshUpdate*>::iterator
+                       i = m_queue.begin();
+                       i != m_queue.end(); i++)
        {
                QueuedMeshUpdate *q = *i;
                if(q->p == p)
@@ -116,12 +144,19 @@ QueuedMeshUpdate * MeshUpdateQueue::pop()
 {
        JMutexAutoLock lock(m_mutex);
 
-       core::list<QueuedMeshUpdate*>::Iterator i = m_queue.begin();
-       if(i == m_queue.end())
-               return NULL;
-       QueuedMeshUpdate *q = *i;
-       m_queue.erase(i);
-       return q;
+       bool must_be_urgent = !m_urgents.empty();
+       for(std::vector<QueuedMeshUpdate*>::iterator
+                       i = m_queue.begin();
+                       i != m_queue.end(); i++)
+       {
+               QueuedMeshUpdate *q = *i;
+               if(must_be_urgent && m_urgents.count(q->p) == 0)
+                       continue;
+               m_queue.erase(i);
+               m_urgents.erase(q->p);
+               return q;
+       }
+       return NULL;
 }
 
 /*
@@ -158,8 +193,12 @@ void * MeshUpdateThread::Thread()
 
                ScopeProfiler sp(g_profiler, "Client: Mesh making");
 
-               scene::SMesh *mesh_new = NULL;
-               mesh_new = makeMapBlockMesh(q->data);
+               MapBlockMesh *mesh_new = new MapBlockMesh(q->data);
+               if(mesh_new->getMesh()->getMeshBufferCount() == 0)
+               {
+                       delete mesh_new;
+                       mesh_new = NULL;
+               }
 
                MeshUpdateResult r;
                r.p = q->p;
@@ -180,26 +219,96 @@ 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 << 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):
-       m_mesh_update_thread(),
+               MapDrawControl &control,
+               IWritableTextureSource *tsrc,
+               IWritableShaderSource *shsrc,
+               IWritableItemDefManager *itemdef,
+               IWritableNodeDefManager *nodedef,
+               ISoundManager *sound,
+               MtEventManager *event
+):
+       m_tsrc(tsrc),
+       m_shsrc(shsrc),
+       m_itemdef(itemdef),
+       m_nodedef(nodedef),
+       m_sound(sound),
+       m_event(event),
+       m_mesh_update_thread(this),
        m_env(
-               new ClientMap(this, control,
+               new ClientMap(this, this, control,
                        device->getSceneManager()->getRootSceneNode(),
                        device->getSceneManager(), 666),
-               device->getSceneManager()
+               device->getSceneManager(),
+               tsrc, this, device
        ),
        m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
        m_device(device),
        m_server_ser_ver(SER_FMT_VER_INVALID),
+       m_playeritem(0),
        m_inventory_updated(false),
-       m_time_of_day(0),
+       m_inventory_from_server(NULL),
+       m_inventory_from_server_age(0.0),
+       m_animation_time(0),
+       m_crack_level(-1),
+       m_crack_pos(0,0,0),
        m_map_seed(0),
        m_password(password),
-       m_access_denied(false)
+       m_access_denied(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;
        //m_delete_unused_sectors_timer = 0.0;
@@ -208,26 +317,25 @@ Client::Client(
        m_playerpos_send_timer = 0.0;
        m_ignore_damage_timer = 0.0;
 
-       //m_env_mutex.Init();
-       //m_con_mutex.Init();
-
-       m_mesh_update_thread.Start();
-
+       // 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
        */
        {
-               //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-
-               Player *player = new LocalPlayer();
+               Player *player = new LocalPlayer(this);
 
                player->updateName(playername);
 
                m_env.addPlayer(player);
-               
-               // Initialize player in the inventory context
-               m_inventory_context.current_player = 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()
@@ -240,6 +348,30 @@ Client::~Client()
        m_mesh_update_thread.setRun(false);
        while(m_mesh_update_thread.IsRunning())
                sleep_ms(100);
+
+       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)
@@ -276,6 +408,12 @@ void Client::step(float dtime)
        else
                m_ignore_damage_timer = 0.0;
        
+       m_animation_time += dtime;
+       if(m_animation_time > 60.0)
+               m_animation_time -= 60.0;
+
+       m_time_of_day_update_timer += dtime;
+       
        //infostream<<"Client steps "<<dtime<<std::endl;
 
        {
@@ -419,8 +557,9 @@ void Client::step(float dtime)
                        // [2] u8 SER_FMT_VER_HIGHEST
                        // [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);
 
@@ -433,8 +572,8 @@ 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], 3);
+                       writeU16(&data[51], CLIENT_PROTOCOL_VERSION_MIN);
+                       writeU16(&data[53], CLIENT_PROTOCOL_VERSION_MAX);
 
                        // Send as unreliable
                        Send(0, data, false);
@@ -455,7 +594,7 @@ 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);
@@ -469,8 +608,8 @@ 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())
@@ -489,9 +628,9 @@ 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++;
@@ -505,7 +644,7 @@ void Client::step(float dtime)
                        }
 
                        sendlist.push_back(*i);
-                       i++;
+                       ++i;
                }
        }
 
@@ -540,7 +679,9 @@ void Client::step(float dtime)
                                if(m_ignore_damage_timer <= 0)
                                {
                                        u8 damage = event.player_damage.amount;
-                                       sendDamage(damage);
+                                       
+                                       if(event.player_damage.send_to_server)
+                                               sendDamage(damage);
 
                                        // Add to ClientEvent queue
                                        ClientEvent event;
@@ -574,7 +715,7 @@ 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();
@@ -593,14 +734,27 @@ void Client::step(float dtime)
                /*infostream<<"Mesh update result queue size is "
                                <<m_mesh_update_thread.m_queue_out.size()
                                <<std::endl;*/
-
-               while(m_mesh_update_thread.m_queue_out.size() > 0)
+               
+               int num_processed_meshes = 0;
+               while(!m_mesh_update_thread.m_queue_out.empty())
                {
+                       num_processed_meshes++;
                        MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_front();
                        MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
                        if(block)
                        {
-                               block->replaceMesh(r.mesh);
+                               //JMutexAutoLock lock(block->mesh_mutex);
+
+                               // Delete the old mesh
+                               if(block->mesh != NULL)
+                               {
+                                       // TODO: Remove hardware buffers of meshbuffers of block->mesh
+                                       delete block->mesh;
+                                       block->mesh = NULL;
+                               }
+
+                               // Replace with the new mesh
+                               block->mesh = r.mesh;
                        }
                        if(r.ack_block_to_server)
                        {
@@ -625,7 +779,240 @@ void Client::step(float dtime)
                                m_con.Send(PEER_ID_SERVER, 1, reply, true);
                        }
                }
+               if(num_processed_meshes > 0)
+                       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();
+                               ++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
+               and knows something is wrong).
+       */
+       if(m_inventory_from_server)
+       {
+               float interval = 10.0;
+               float count_before = floor(m_inventory_from_server_age / interval);
+
+               m_inventory_from_server_age += dtime;
+
+               float count_after = floor(m_inventory_from_server_age / interval);
+
+               if(count_after != count_before)
+               {
+                       // Do this every <interval> seconds after TOCLIENT_INVENTORY
+                       // Reset the locally changed inventory to the authoritative inventory
+                       Player *player = m_env.getLocalPlayer();
+                       player->inventory = *m_inventory_from_server;
+                       m_inventory_updated = true;
+               }
+       }
+
+       /*
+               Update positions of sounds attached to objects
+       */
+       {
+               for(std::map<int, u16>::iterator
+                               i = m_sounds_to_objects.begin();
+                               i != m_sounds_to_objects.end(); i++)
+               {
+                       int client_id = i->first;
+                       u16 object_id = i->second;
+                       ClientActiveObject *cao = m_env.getActiveObject(object_id);
+                       if(!cao)
+                               continue;
+                       v3f pos = cao->getPosition();
+                       m_sound->updateSoundPosition(client_id, pos);
+               }
+       }
+       
+       /*
+               Handle removed remotely initiated sounds
+       */
+       m_removed_sounds_check_timer += dtime;
+       if(m_removed_sounds_check_timer >= 2.32)
+       {
+               m_removed_sounds_check_timer = 0;
+               // Find removed sounds and clear references to them
+               std::set<s32> removed_server_ids;
+               for(std::map<s32, int>::iterator
+                               i = m_sounds_server_to_client.begin();
+                               i != m_sounds_server_to_client.end();)
+               {
+                       s32 server_id = i->first;
+                       int client_id = i->second;
+                       i++;
+                       if(!m_sound->soundExists(client_id)){
+                               m_sounds_server_to_client.erase(server_id);
+                               m_sounds_client_to_server.erase(client_id);
+                               m_sounds_to_objects.erase(client_id);
+                               removed_server_ids.insert(server_id);
+                       }
+               }
+               // Sync to server
+               if(removed_server_ids.size() != 0)
+               {
+                       std::ostringstream os(std::ios_base::binary);
+                       writeU16(os, TOSERVER_REMOVED_SOUNDS);
+                       writeU16(os, removed_server_ids.size());
+                       for(std::set<s32>::iterator i = removed_server_ids.begin();
+                                       i != removed_server_ids.end(); i++)
+                               writeS32(os, *i);
+                       std::string s = os.str();
+                       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+                       // Send as reliable
+                       Send(0, data, true);
+               }
+       }
+}
+
+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
@@ -641,13 +1028,48 @@ 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);
+       u32 start_ms = porting::getTimeMs();
        for(;;)
        {
+               // Limit time even if there would be huge amounts of data to
+               // process
+               if(porting::getTimeMs() > start_ms + 100)
+                       break;
+               
                try{
                        Receive();
+                       g_profiler->graphAdd("client_received_packets", 1);
                }
                catch(con::NoIncomingDataException &e)
                {
@@ -665,14 +1087,13 @@ void Client::ReceiveAll()
 void Client::Receive()
 {
        DSTACK(__FUNCTION_NAME);
-       u32 data_maxsize = 200000;
-       Buffer<u8> data(data_maxsize);
+       SharedBuffer<u8> data;
        u16 sender_peer_id;
        u32 datasize;
        {
                //TimeTaker t1("con mutex and receive", m_device);
                //JMutexAutoLock lock(m_con_mutex); //bulk comment-out
-               datasize = m_con.Receive(sender_peer_id, *data, data_maxsize);
+               datasize = m_con.Receive(sender_peer_id, data);
        }
        //TimeTaker t1("ProcessData", m_device);
        ProcessData(*data, datasize, sender_peer_id);
@@ -754,6 +1175,14 @@ 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;
@@ -804,9 +1233,6 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                
                //TimeTaker t1("TOCLIENT_REMOVENODE");
                
-               // This will clear the cracking animation after digging
-               ((ClientMap&)m_env.getMap()).clearTempMod(p);
-
                removeNode(p);
        }
        else if(command == TOCLIENT_ADDNODE)
@@ -863,7 +1289,7 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                                Update an existing block
                        */
                        //infostream<<"Updating"<<std::endl;
-                       block->deSerialize(istr, ser_version);
+                       block->deSerialize(istr, ser_version, false);
                }
                else
                {
@@ -871,19 +1297,9 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                                Create a new block
                        */
                        //infostream<<"Creating new"<<std::endl;
-                       block = new MapBlock(&m_env.getMap(), p);
-                       block->deSerialize(istr, ser_version);
+                       block = new MapBlock(&m_env.getMap(), p, this);
+                       block->deSerialize(istr, ser_version, false);
                        sector->insertBlock(block);
-
-                       //DEBUG
-                       /*NodeMod mod;
-                       mod.type = NODEMOD_CHANGECONTENT;
-                       mod.param = CONTENT_MESE;
-                       block->setTempMod(v3s16(8,10,8), mod);
-                       block->setTempMod(v3s16(8,9,8), mod);
-                       block->setTempMod(v3s16(8,8,8), mod);
-                       block->setTempMod(v3s16(8,7,8), mod);
-                       block->setTempMod(v3s16(8,6,8), mod);*/
                }
 
 #if 0
@@ -906,232 +1322,12 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                m_con.Send(PEER_ID_SERVER, 1, reply, true);
 #endif
 
-               /*
-                       Update Mesh of this block and blocks at x-, y- and z-.
-                       Environment should not be locked as it interlocks with the
-                       main thread, from which is will want to retrieve textures.
-               */
-
-               //m_env.getClientMap().updateMeshes(block->getPos(), getDayNightRatio());
                /*
                        Add it to mesh update queue and set it to be acknowledged after update.
                */
                //infostream<<"Adding mesh update task for received block"<<std::endl;
                addUpdateMeshTaskWithEdge(p, true);
        }
-       else if(command == TOCLIENT_PLAYERPOS)
-       {
-               infostream<<"Received deprecated TOCLIENT_PLAYERPOS"
-                               <<std::endl;
-               /*u16 our_peer_id;
-               {
-                       //JMutexAutoLock lock(m_con_mutex); //bulk comment-out
-                       our_peer_id = m_con.GetPeerID();
-               }
-               // Cancel if we don't have a peer id
-               if(our_peer_id == PEER_ID_INEXISTENT){
-                       infostream<<"TOCLIENT_PLAYERPOS cancelled: "
-                                       "we have no peer id"
-                                       <<std::endl;
-                       return;
-               }*/
-
-               { //envlock
-                       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-                       
-                       u32 player_size = 2+12+12+4+4;
-                               
-                       u32 player_count = (datasize-2) / player_size;
-                       u32 start = 2;
-                       for(u32 i=0; i<player_count; i++)
-                       {
-                               u16 peer_id = readU16(&data[start]);
-
-                               Player *player = m_env.getPlayer(peer_id);
-
-                               // Skip if player doesn't exist
-                               if(player == NULL)
-                               {
-                                       start += player_size;
-                                       continue;
-                               }
-
-                               // Skip if player is local player
-                               if(player->isLocal())
-                               {
-                                       start += player_size;
-                                       continue;
-                               }
-
-                               v3s32 ps = readV3S32(&data[start+2]);
-                               v3s32 ss = readV3S32(&data[start+2+12]);
-                               s32 pitch_i = readS32(&data[start+2+12+12]);
-                               s32 yaw_i = readS32(&data[start+2+12+12+4]);
-                               /*infostream<<"Client: got "
-                                               <<"pitch_i="<<pitch_i
-                                               <<" yaw_i="<<yaw_i<<std::endl;*/
-                               f32 pitch = (f32)pitch_i / 100.0;
-                               f32 yaw = (f32)yaw_i / 100.0;
-                               v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
-                               v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
-                               player->setPosition(position);
-                               player->setSpeed(speed);
-                               player->setPitch(pitch);
-                               player->setYaw(yaw);
-
-                               /*infostream<<"Client: player "<<peer_id
-                                               <<" pitch="<<pitch
-                                               <<" yaw="<<yaw<<std::endl;*/
-
-                               start += player_size;
-                       }
-               } //envlock
-       }
-       else if(command == TOCLIENT_PLAYERINFO)
-       {
-               u16 our_peer_id;
-               {
-                       //JMutexAutoLock lock(m_con_mutex); //bulk comment-out
-                       our_peer_id = m_con.GetPeerID();
-               }
-               // Cancel if we don't have a peer id
-               if(our_peer_id == PEER_ID_INEXISTENT){
-                       infostream<<"TOCLIENT_PLAYERINFO cancelled: "
-                                       "we have no peer id"
-                                       <<std::endl;
-                       return;
-               }
-               
-               //infostream<<"Client: Server reports players:"<<std::endl;
-
-               { //envlock
-                       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-                       
-                       u32 item_size = 2+PLAYERNAME_SIZE;
-                       u32 player_count = (datasize-2) / item_size;
-                       u32 start = 2;
-                       // peer_ids
-                       core::list<u16> players_alive;
-                       for(u32 i=0; i<player_count; i++)
-                       {
-                               // Make sure the name ends in '\0'
-                               data[start+2+20-1] = 0;
-
-                               u16 peer_id = readU16(&data[start]);
-
-                               players_alive.push_back(peer_id);
-                               
-                               /*infostream<<"peer_id="<<peer_id
-                                               <<" name="<<((char*)&data[start+2])<<std::endl;*/
-
-                               // Don't update the info of the local player
-                               if(peer_id == our_peer_id)
-                               {
-                                       start += item_size;
-                                       continue;
-                               }
-
-                               Player *player = m_env.getPlayer(peer_id);
-
-                               // Create a player if it doesn't exist
-                               if(player == NULL)
-                               {
-                                       player = new RemotePlayer(
-                                                       m_device->getSceneManager()->getRootSceneNode(),
-                                                       m_device,
-                                                       -1);
-                                       player->peer_id = peer_id;
-                                       m_env.addPlayer(player);
-                                       infostream<<"Client: Adding new player "
-                                                       <<peer_id<<std::endl;
-                               }
-                               
-                               player->updateName((char*)&data[start+2]);
-
-                               start += item_size;
-                       }
-                       
-                       /*
-                               Remove those players from the environment that
-                               weren't listed by the server.
-                       */
-                       //infostream<<"Removing dead players"<<std::endl;
-                       core::list<Player*> players = m_env.getPlayers();
-                       core::list<Player*>::Iterator ip;
-                       for(ip=players.begin(); ip!=players.end(); ip++)
-                       {
-                               // Ingore local player
-                               if((*ip)->isLocal())
-                                       continue;
-                               
-                               // Warn about a special case
-                               if((*ip)->peer_id == 0)
-                               {
-                                       infostream<<"Client: Removing "
-                                                       "dead player with id=0"<<std::endl;
-                               }
-
-                               bool is_alive = false;
-                               core::list<u16>::Iterator i;
-                               for(i=players_alive.begin(); i!=players_alive.end(); i++)
-                               {
-                                       if((*ip)->peer_id == *i)
-                                       {
-                                               is_alive = true;
-                                               break;
-                                       }
-                               }
-                               /*infostream<<"peer_id="<<((*ip)->peer_id)
-                                               <<" is_alive="<<is_alive<<std::endl;*/
-                               if(is_alive)
-                                       continue;
-                               infostream<<"Removing dead player "<<(*ip)->peer_id
-                                               <<std::endl;
-                               m_env.removePlayer((*ip)->peer_id);
-                       }
-               } //envlock
-       }
-       else if(command == TOCLIENT_SECTORMETA)
-       {
-               infostream<<"Client received DEPRECATED TOCLIENT_SECTORMETA"<<std::endl;
-#if 0
-               /*
-                       [0] u16 command
-                       [2] u8 sector count
-                       [3...] v2s16 pos + sector metadata
-               */
-               if(datasize < 3)
-                       return;
-
-               //infostream<<"Client received TOCLIENT_SECTORMETA"<<std::endl;
-
-               { //envlock
-                       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-                       
-                       std::string datastring((char*)&data[2], datasize-2);
-                       std::istringstream is(datastring, std::ios_base::binary);
-
-                       u8 buf[4];
-
-                       is.read((char*)buf, 1);
-                       u16 sector_count = readU8(buf);
-                       
-                       //infostream<<"sector_count="<<sector_count<<std::endl;
-
-                       for(u16 i=0; i<sector_count; i++)
-                       {
-                               // Read position
-                               is.read((char*)buf, 4);
-                               v2s16 pos = readV2S16(buf);
-                               /*infostream<<"Client: deserializing sector at "
-                                               <<"("<<pos.X<<","<<pos.Y<<")"<<std::endl;*/
-                               // Create sector
-                               assert(m_env.getMap().mapType() == MAPTYPE_CLIENT);
-                               ((ClientMap&)m_env.getMap()).deSerializeSector(pos, is);
-                       }
-               } //envlock
-#endif
-       }
        else if(command == TOCLIENT_INVENTORY)
        {
                if(datasize < 3)
@@ -1162,101 +1358,53 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
 
                        m_inventory_updated = true;
 
+                       delete m_inventory_from_server;
+                       m_inventory_from_server = new Inventory(player->inventory);
+                       m_inventory_from_server_age = 0.0;
+
                        //infostream<<"Client got player inventory:"<<std::endl;
                        //player->inventory.print(infostream);
                }
        }
-       //DEBUG
-       else if(command == TOCLIENT_OBJECTDATA)
+       else if(command == TOCLIENT_TIME_OF_DAY)
        {
-               // Strip command word and create a stringstream
-               std::string datastring((char*)&data[2], datasize-2);
-               std::istringstream is(datastring, std::ios_base::binary);
+               if(datasize < 4)
+                       return;
                
-               u8 buf[12];
-
-               /*
-                       Read players
-               */
-
-               is.read((char*)buf, 2);
-               u16 playercount = readU16(buf);
+               u16 time_of_day = readU16(&data[2]);
+               time_of_day = time_of_day % 24000;
+               //infostream<<"Client: time_of_day="<<time_of_day<<std::endl;
+               float time_speed = 0;
+               if(datasize >= 2 + 2 + 4){
+                       time_speed = readF1000(&data[4]);
+               } else {
+                       // Old message; try to approximate speed of time by ourselves
+                       float time_of_day_f = (float)time_of_day / 24000.0;
+                       float tod_diff_f = 0;
+                       if(time_of_day_f < 0.2 && m_last_time_of_day_f > 0.8)
+                               tod_diff_f = time_of_day_f - m_last_time_of_day_f + 1.0;
+                       else
+                               tod_diff_f = time_of_day_f - m_last_time_of_day_f;
+                       m_last_time_of_day_f = time_of_day_f;
+                       float time_diff = m_time_of_day_update_timer;
+                       m_time_of_day_update_timer = 0;
+                       if(m_time_of_day_set){
+                               time_speed = 3600.0*24.0 * tod_diff_f / time_diff;
+                               infostream<<"Client: Measured time_of_day speed (old format): "
+                                               <<time_speed<<" tod_diff_f="<<tod_diff_f
+                                               <<" time_diff="<<time_diff<<std::endl;
+                       }
+               }
                
-               for(u16 i=0; i<playercount; i++)
-               {
-                       is.read((char*)buf, 2);
-                       u16 peer_id = readU16(buf);
-                       is.read((char*)buf, 12);
-                       v3s32 p_i = readV3S32(buf);
-                       is.read((char*)buf, 12);
-                       v3s32 s_i = readV3S32(buf);
-                       is.read((char*)buf, 4);
-                       s32 pitch_i = readS32(buf);
-                       is.read((char*)buf, 4);
-                       s32 yaw_i = readS32(buf);
-                       
-                       Player *player = m_env.getPlayer(peer_id);
-
-                       // Skip if player doesn't exist
-                       if(player == NULL)
-                       {
-                               continue;
-                       }
-
-                       // Skip if player is local player
-                       if(player->isLocal())
-                       {
-                               continue;
-                       }
-       
-                       f32 pitch = (f32)pitch_i / 100.0;
-                       f32 yaw = (f32)yaw_i / 100.0;
-                       v3f position((f32)p_i.X/100., (f32)p_i.Y/100., (f32)p_i.Z/100.);
-                       v3f speed((f32)s_i.X/100., (f32)s_i.Y/100., (f32)s_i.Z/100.);
-                       
-                       player->setPosition(position);
-                       player->setSpeed(speed);
-                       player->setPitch(pitch);
-                       player->setYaw(yaw);
-               }
-
-               /*
-                       Read block objects
-                       NOTE: Deprecated stuff
-               */
-
-               // Read active block count
-               u16 blockcount = readU16(is);
-               if(blockcount != 0){
-                       infostream<<"TOCLIENT_OBJECTDATA: blockcount != 0 "
-                                       "not supported"<<std::endl;
-                       return;
-               }
-       }
-       else if(command == TOCLIENT_TIME_OF_DAY)
-       {
-               if(datasize < 4)
-                       return;
-               
-               u16 time_of_day = readU16(&data[2]);
-               time_of_day = time_of_day % 24000;
-               //infostream<<"Client: time_of_day="<<time_of_day<<std::endl;
-               
-               /*
-                       time_of_day:
-                       0 = midnight
-                       12000 = midday
-               */
-               {
-                       m_env.setTimeOfDay(time_of_day);
-
-                       u32 dr = m_env.getDayNightRatio();
-
-                       infostream<<"Client: time_of_day="<<time_of_day
-                                       <<", dr="<<dr
-                                       <<std::endl;
-               }
-
+               // Update environment
+               m_env.setTimeOfDay(time_of_day);
+               m_env.setTimeOfDaySpeed(time_speed);
+               m_time_of_day_set = true;
+
+               u32 dr = m_env.getDayNightRatio();
+               verbosestream<<"Client: time_of_day="<<time_of_day
+                               <<" time_speed="<<time_speed
+                               <<" dr="<<dr<<std::endl;
        }
        else if(command == TOCLIENT_CHAT_MESSAGE)
        {
@@ -1387,14 +1535,44 @@ 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);
                std::istringstream is(datastring, std::ios_base::binary);
                Player *player = m_env.getLocalPlayer();
                assert(player != NULL);
+               u8 oldhp = player->hp;
                u8 hp = readU8(is);
                player->hp = hp;
+
+               if(hp < oldhp)
+               {
+                       // Add to ClientEvent queue
+                       ClientEvent event;
+                       event.type = CE_PLAYER_DAMAGE;
+                       event.player_damage.amount = oldhp - hp;
+                       m_client_event_queue.push_back(event);
+               }
        }
        else if(command == TOCLIENT_MOVE_PLAYER)
        {
@@ -1432,60 +1610,502 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                m_ignore_damage_timer = 3.0;
        }
        else if(command == TOCLIENT_PLAYERITEM)
+       {
+               infostream<<"Client: WARNING: Ignoring TOCLIENT_PLAYERITEM"<<std::endl;
+       }
+       else if(command == TOCLIENT_DEATHSCREEN)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+               
+               bool set_camera_point_target = readU8(is);
+               v3f camera_point_target = readV3F1000(is);
+               
+               ClientEvent event;
+               event.type = CE_DEATHSCREEN;
+               event.deathscreen.set_camera_point_target = set_camera_point_target;
+               event.deathscreen.camera_point_target_x = camera_point_target.X;
+               event.deathscreen.camera_point_target_y = camera_point_target.Y;
+               event.deathscreen.camera_point_target_z = camera_point_target.Z;
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_ANNOUNCE_MEDIA)
        {
                std::string datastring((char*)&data[2], datasize-2);
                std::istringstream is(datastring, std::ios_base::binary);
 
-               u16 count = readU16(is);
+               // Mesh update thread must be stopped while
+               // updating content definitions
+               assert(!m_mesh_update_thread.IsRunning());
 
-               for (u16 i = 0; i < count; ++i) {
-                       u16 peer_id = readU16(is);
-                       Player *player = m_env.getPlayer(peer_id);
+               int num_files = readU16(is);
+               
+               infostream<<"Client: Received media announcement: packet size: "
+                               <<datasize<<std::endl;
 
-                       if (player == NULL)
+               std::list<MediaRequest> file_requests;
+
+               for(int i=0; i<num_files; i++)
+               {
+                       //read file from cache
+                       std::string name = deSerializeString(is);
+                       std::string sha1_base64 = deSerializeString(is);
+
+                       // if name contains illegal characters, ignore the file
+                       if(!string_allowed(name, TEXTURENAME_ALLOWED_CHARS)){
+                               errorstream<<"Client: ignoring illegal file name "
+                                               <<"sent by server: \""<<name<<"\""<<std::endl;
+                               continue;
+                       }
+
+                       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 found_in_cache = m_media_cache.load_sha1(sha1_raw, tmp_os);
+                       m_media_name_sha1_map[name] = sha1_raw;
+
+                       // If found in cache, try to load it from there
+                       if(found_in_cache)
                        {
-                               infostream<<"Client: ignoring player item "
-                                       << deSerializeString(is)
-                                       << " for non-existing peer id " << peer_id
-                                       << std::endl;
+                               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));
+               }
+
+               std::string remote_media = "";
+               try {
+                       remote_media = deSerializeString(is);
+               }
+               catch(SerializationError) {
+                       // not supported by server or turned off
+               }
+
+               m_media_count = file_requests.size();
+               m_media_receive_started = true;
+
+               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();
+                       }
+                       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);
+       }
+       else if(command == TOCLIENT_MEDIA)
+       {
+               if (m_media_count == 0)
+                       return;
+               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 file bunches
+                       u16 index of this bunch
+                       u32 number of files in this bunch
+                       for each file {
+                               u16 length of name
+                               string name
+                               u32 length of data
+                               data
+                       }
+               */
+               int num_bunches = readU16(is);
+               int bunch_i = readU16(is);
+               int 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_files; i++){
+                       m_media_received_count++;
+                       std::string name = deSerializeString(is);
+                       std::string data = deSerializeLongString(is);
+
+                       // if name contains illegal characters, ignore the file
+                       if(!string_allowed(name, TEXTURENAME_ALLOWED_CHARS)){
+                               errorstream<<"Client: ignoring illegal file name "
+                                               <<"sent by server: \""<<name<<"\""<<std::endl;
                                continue;
-                       } else if (player->isLocal()) {
-                               infostream<<"Client: ignoring player item "
-                                       << deSerializeString(is)
-                                       << " for local player" << std::endl;
+                       }
+                       
+                       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;
-                       } else {
-                               InventoryList *inv = player->inventory.getList("main");
-                               std::string itemstring(deSerializeString(is));
-                               if (itemstring.empty()) {
-                                       inv->deleteItem(0);
-                                       infostream
-                                               <<"Client: empty player item for peer "
-                                               << peer_id << std::endl;
-                               } else {
-                                       std::istringstream iss(itemstring);
-                                       delete inv->changeItem(0, InventoryItem::deSerialize(iss));
-                                       infostream<<"Client: player item for peer " << peer_id << ": ";
-                                       player->getWieldItem()->serialize(infostream);
-                                       infostream<<std::endl;
-                               }
                        }
+
+                       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(name);
+                               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(data);
+                       }
+               }
+
+               ClientEvent event;
+               event.type = CE_TEXTURES_UPDATED;
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_TOOLDEF)
+       {
+               infostream<<"Client: WARNING: Ignoring TOCLIENT_TOOLDEF"<<std::endl;
+       }
+       else if(command == TOCLIENT_NODEDEF)
+       {
+               infostream<<"Client: Received node definitions: packet size: "
+                               <<datasize<<std::endl;
+
+               // Mesh update thread must be stopped while
+               // updating content definitions
+               assert(!m_mesh_update_thread.IsRunning());
+
+               // Decompress node definitions
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+               std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
+               std::ostringstream tmp_os;
+               decompressZlib(tmp_is, tmp_os);
+
+               // Deserialize node definitions
+               std::istringstream tmp_is2(tmp_os.str());
+               m_nodedef->deSerialize(tmp_is2);
+               m_nodedef_received = true;
+       }
+       else if(command == TOCLIENT_CRAFTITEMDEF)
+       {
+               infostream<<"Client: WARNING: Ignoring TOCLIENT_CRAFTITEMDEF"<<std::endl;
+       }
+       else if(command == TOCLIENT_ITEMDEF)
+       {
+               infostream<<"Client: Received item definitions: packet size: "
+                               <<datasize<<std::endl;
+
+               // Mesh update thread must be stopped while
+               // updating content definitions
+               assert(!m_mesh_update_thread.IsRunning());
+
+               // Decompress item definitions
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+               std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
+               std::ostringstream tmp_os;
+               decompressZlib(tmp_is, tmp_os);
+
+               // Deserialize node definitions
+               std::istringstream tmp_is2(tmp_os.str());
+               m_itemdef->deSerialize(tmp_is2);
+               m_itemdef_received = true;
+       }
+       else if(command == TOCLIENT_PLAY_SOUND)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               s32 server_id = readS32(is);
+               std::string name = deSerializeString(is);
+               float gain = readF1000(is);
+               int type = readU8(is); // 0=local, 1=positional, 2=object
+               v3f pos = readV3F1000(is);
+               u16 object_id = readU16(is);
+               bool loop = readU8(is);
+               // Start playing
+               int client_id = -1;
+               switch(type){
+               case 0: // local
+                       client_id = m_sound->playSound(name, loop, gain);
+                       break;
+               case 1: // positional
+                       client_id = m_sound->playSoundAt(name, loop, gain, pos);
+                       break;
+               case 2: { // object
+                       ClientActiveObject *cao = m_env.getActiveObject(object_id);
+                       if(cao)
+                               pos = cao->getPosition();
+                       client_id = m_sound->playSoundAt(name, loop, gain, pos);
+                       // TODO: Set up sound to move with object
+                       break; }
+               default:
+                       break;
+               }
+               if(client_id != -1){
+                       m_sounds_server_to_client[server_id] = client_id;
+                       m_sounds_client_to_server[client_id] = server_id;
+                       if(object_id != 0)
+                               m_sounds_to_objects[client_id] = object_id;
                }
        }
-       else if(command == TOCLIENT_DEATHSCREEN)
+       else if(command == TOCLIENT_STOP_SOUND)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               s32 server_id = readS32(is);
+               std::map<s32, int>::iterator i =
+                               m_sounds_server_to_client.find(server_id);
+               if(i != m_sounds_server_to_client.end()){
+                       int client_id = i->second;
+                       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);
                
-               bool set_camera_point_target = readU8(is);
-               v3f camera_point_target = readV3F1000(is);
+               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_DEATHSCREEN;
-               event.deathscreen.set_camera_point_target = set_camera_point_target;
-               event.deathscreen.camera_point_target_x = camera_point_target.X;
-               event.deathscreen.camera_point_target_y = camera_point_target.Y;
-               event.deathscreen.camera_point_target_z = camera_point_target.Z;
+               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.add_particlespawner.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);
+
+               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;
+               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)
+                       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
@@ -1501,130 +2121,91 @@ void Client::Send(u16 channelnum, SharedBuffer<u8> data, bool reliable)
        m_con.Send(PEER_ID_SERVER, channelnum, data, reliable);
 }
 
-void Client::groundAction(u8 action, v3s16 nodepos_undersurface,
-               v3s16 nodepos_oversurface, u16 item)
+void Client::interact(u8 action, const PointedThing& pointed)
 {
        if(connectedAndInitialized() == false){
-               infostream<<"Client::groundAction() "
+               infostream<<"Client::interact() "
                                "cancelled (not connected)"
                                <<std::endl;
                return;
        }
-       
+
+       std::ostringstream os(std::ios_base::binary);
+
        /*
-               length: 17
                [0] u16 command
                [2] u8 action
-               [3] v3s16 nodepos_undersurface
-               [9] v3s16 nodepos_abovesurface
-               [15] u16 item
+               [3] u16 item
+               [5] u32 length of the next item
+               [9] serialized PointedThing
                actions:
-               0: start digging
-               1: place block
-               2: stop digging (all parameters ignored)
-               3: digging completed
+               0: start digging (from undersurface) or use
+               1: stop digging (all parameters ignored)
+               2: digging completed
+               3: place block or item (to abovesurface)
+               4: use item
        */
-       u8 datasize = 2 + 1 + 6 + 6 + 2;
-       SharedBuffer<u8> data(datasize);
-       writeU16(&data[0], TOSERVER_GROUND_ACTION);
-       writeU8(&data[2], action);
-       writeV3S16(&data[3], nodepos_undersurface);
-       writeV3S16(&data[9], nodepos_oversurface);
-       writeU16(&data[15], item);
+       writeU16(os, TOSERVER_INTERACT);
+       writeU8(os, action);
+       writeU16(os, getPlayerItem());
+       std::ostringstream tmp_os(std::ios::binary);
+       pointed.serialize(tmp_os);
+       os<<serializeLongString(tmp_os.str());
+
+       std::string s = os.str();
+       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+
+       // Send as reliable
        Send(0, data, true);
 }
 
-void Client::clickActiveObject(u8 button, u16 id, u16 item_i)
+void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
+               const std::map<std::string, std::string> &fields)
 {
-       if(connectedAndInitialized() == false){
-               infostream<<"Client::clickActiveObject() "
-                               "cancelled (not connected)"
-                               <<std::endl;
-               return;
-       }
-
-       Player *player = m_env.getLocalPlayer();
-       if(player == NULL)
-               return;
-
-       ClientActiveObject *obj = m_env.getActiveObject(id);
-       if(obj){
-               if(button == 0){
-                       ToolItem *titem = NULL;
-                       std::string toolname = "";
-
-                       InventoryList *mlist = player->inventory.getList("main");
-                       if(mlist != NULL)
-                       {
-                               InventoryItem *item = mlist->getItem(item_i);
-                               if(item && (std::string)item->getName() == "ToolItem")
-                               {
-                                       titem = (ToolItem*)item;
-                                       toolname = titem->getToolName();
-                               }
-                       }
+       std::ostringstream os(std::ios_base::binary);
 
-                       v3f playerpos = player->getPosition();
-                       v3f objpos = obj->getPosition();
-                       v3f dir = (objpos - playerpos).normalize();
-                       
-                       bool disable_send = obj->directReportPunch(toolname, dir);
-                       
-                       if(disable_send)
-                               return;
-               }
+       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);
        }
-       
-       /*
-               length: 7
-               [0] u16 command
-               [2] u8 button (0=left, 1=right)
-               [3] u16 id
-               [5] u16 item
-       */
-       u8 datasize = 2 + 1 + 6 + 2 + 2;
-       SharedBuffer<u8> data(datasize);
-       writeU16(&data[0], TOSERVER_CLICK_ACTIVEOBJECT);
-       writeU8(&data[2], button);
-       writeU16(&data[3], id);
-       writeU16(&data[5], item_i);
+
+       // 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::sendSignNodeText(v3s16 p, std::string text)
+       
+void Client::sendInventoryFields(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_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);
+       }
 
-       // 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());
        // Send as reliable
        Send(0, data, true);
 }
-       
+
 void Client::sendInventoryAction(InventoryAction *a)
 {
        std::ostringstream os(std::ios_base::binary);
@@ -1741,10 +2322,24 @@ 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
@@ -1763,7 +2358,7 @@ 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
@@ -1771,15 +2366,15 @@ 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);
 }
@@ -1808,9 +2403,7 @@ void Client::sendPlayerItem(u16 item)
 
 void Client::removeNode(v3s16 p)
 {
-       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-       
-       core::map<v3s16, MapBlock*> modified_blocks;
+       std::map<v3s16, MapBlock*> modified_blocks;
 
        try
        {
@@ -1821,71 +2414,39 @@ void Client::removeNode(v3s16 p)
        {
        }
        
-       for(core::map<v3s16, MapBlock * >::Iterator
-                       i = modified_blocks.getIterator();
-                       i.atEnd() == false; i++)
+       // add urgent task to update the modified node
+       addUpdateMeshTaskForNode(p, false, true);
+
+       for(std::map<v3s16, MapBlock * >::iterator
+                       i = modified_blocks.begin();
+                       i != modified_blocks.end(); ++i)
        {
-               v3s16 p = i.getNode()->getKey();
-               //m_env.getClientMap().updateMeshes(p, m_env.getDayNightRatio());
-               addUpdateMeshTaskWithEdge(p);
+               addUpdateMeshTaskWithEdge(i->first);
        }
 }
 
 void Client::addNode(v3s16 p, MapNode n)
 {
-       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-
        TimeTaker timer1("Client::addNode()");
 
-       core::map<v3s16, MapBlock*> modified_blocks;
+       std::map<v3s16, MapBlock*> modified_blocks;
 
        try
        {
                //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
-               std::string st = std::string("");
-               m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, st);
+               m_env.getMap().addNodeAndUpdate(p, n, modified_blocks);
        }
        catch(InvalidPositionException &e)
        {}
        
-       //TimeTaker timer2("Client::addNode(): updateMeshes");
-
-       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();
-               //m_env.getClientMap().updateMeshes(p, m_env.getDayNightRatio());
-               addUpdateMeshTaskWithEdge(p);
+               addUpdateMeshTaskWithEdge(i->first);
        }
 }
        
-void Client::updateCamera(v3f pos, v3f dir, f32 fov)
-{
-       m_env.getClientMap().updateCamera(pos, dir, fov);
-}
-
-void Client::renderPostFx()
-{
-       m_env.getClientMap().renderPostFx();
-}
-
-MapNode Client::getNode(v3s16 p)
-{
-       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-       return m_env.getMap().getNode(p);
-}
-
-NodeMetadata* Client::getNodeMetadata(v3s16 p)
-{
-       return m_env.getMap().getNodeMetadata(p);
-}
-
-LocalPlayer* Client::getLocalPlayer()
-{
-       return m_env.getLocalPlayer();
-}
-
 void Client::setPlayerControl(PlayerControl &control)
 {
        //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
@@ -1896,11 +2457,9 @@ void Client::setPlayerControl(PlayerControl &control)
 
 void Client::selectPlayerItem(u16 item)
 {
-       LocalPlayer *player = m_env.getLocalPlayer();
-       assert(player != NULL);
-
-       player->wieldItem(item);
-
+       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
+       m_playeritem = item;
+       m_inventory_updated = true;
        sendPlayerItem(item);
 }
 
@@ -1924,42 +2483,58 @@ void Client::getLocalInventory(Inventory &dst)
        dst = player->inventory;
 }
 
-InventoryContext *Client::getInventoryContext()
-{
-       return &m_inventory_context;
-}
-
-Inventory* Client::getInventory(InventoryContext *c, std::string id)
+Inventory* Client::getInventory(const InventoryLocation &loc)
 {
-       if(id == "current_player")
+       switch(loc.type){
+       case InventoryLocation::UNDEFINED:
+       {}
+       break;
+       case InventoryLocation::CURRENT_PLAYER:
        {
-               assert(c->current_player);
-               return &(c->current_player->inventory);
+               Player *player = m_env.getLocalPlayer();
+               assert(player != NULL);
+               return &player->inventory;
        }
-       
-       Strfnd fn(id);
-       std::string id0 = fn.next(":");
-
-       if(id0 == "nodemeta")
+       break;
+       case InventoryLocation::PLAYER:
        {
-               v3s16 p;
-               p.X = stoi(fn.next(","));
-               p.Y = stoi(fn.next(","));
-               p.Z = stoi(fn.next(","));
-               NodeMetadata* meta = getNodeMetadata(p);
-               if(meta)
-                       return meta->getInventory();
-               infostream<<"nodemeta at ("<<p.X<<","<<p.Y<<","<<p.Z<<"): "
-                               <<"no metadata found"<<std::endl;
-               return NULL;
-       }
-
-       infostream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
+               Player *player = m_env.getPlayer(loc.name.c_str());
+               if(!player)
+                       return NULL;
+               return &player->inventory;
+       }
+       break;
+       case InventoryLocation::NODEMETA:
+       {
+               NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
+               if(!meta)
+                       return NULL;
+               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);
+       }
        return NULL;
 }
 void Client::inventoryAction(InventoryAction *a)
 {
+       /*
+               Send it to the server
+       */
        sendInventoryAction(a);
+
+       /*
+               Predict some local inventory changes
+       */
+       a->clientApply(this, this);
 }
 
 ClientActiveObject * Client::getSelectedActiveObject(
@@ -1968,7 +2543,7 @@ 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);
 
@@ -1976,7 +2551,7 @@ 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++)
        {
@@ -2014,58 +2589,88 @@ void Client::printDebugInfo(std::ostream &os)
                //<<", m_opt_not_found_history.size()="<<m_opt_not_found_history.size()
                <<std::endl;*/
 }
-       
-u32 Client::getDayNightRatio()
+
+std::list<std::string> Client::getConnectedPlayerNames()
 {
-       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-       return m_env.getDayNightRatio();
+       return m_env.getPlayerNames();
 }
 
-u16 Client::getHP()
+float Client::getAnimationTime()
 {
-       Player *player = m_env.getLocalPlayer();
-       assert(player != NULL);
-       return player->hp;
+       return m_animation_time;
 }
 
-void Client::setTempMod(v3s16 p, NodeMod mod)
+int Client::getCrackLevel()
 {
-       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-       assert(m_env.getMap().mapType() == MAPTYPE_CLIENT);
+       return m_crack_level;
+}
 
-       core::map<v3s16, MapBlock*> affected_blocks;
-       ((ClientMap&)m_env.getMap()).setTempMod(p, mod,
-                       &affected_blocks);
+void Client::setCrack(int level, v3s16 pos)
+{
+       int old_crack_level = m_crack_level;
+       v3s16 old_crack_pos = m_crack_pos;
 
-       for(core::map<v3s16, MapBlock*>::Iterator
-                       i = affected_blocks.getIterator();
-                       i.atEnd() == false; i++)
+       m_crack_level = level;
+       m_crack_pos = pos;
+
+       if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
+       {
+               // remove old crack
+               addUpdateMeshTaskForNode(old_crack_pos, false, true);
+       }
+       if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
        {
-               i.getNode()->getValue()->updateMesh(m_env.getDayNightRatio());
+               // add new crack
+               addUpdateMeshTaskForNode(pos, false, true);
        }
 }
 
-void Client::clearTempMod(v3s16 p)
+u16 Client::getHP()
 {
-       //JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
-       assert(m_env.getMap().mapType() == MAPTYPE_CLIENT);
+       Player *player = m_env.getLocalPlayer();
+       assert(player != NULL);
+       return player->hp;
+}
 
-       core::map<v3s16, MapBlock*> affected_blocks;
-       ((ClientMap&)m_env.getMap()).clearTempMod(p,
-                       &affected_blocks);
+bool Client::getChatMessage(std::wstring &message)
+{
+       if(m_chat_queue.size() == 0)
+               return false;
+       message = m_chat_queue.pop_front();
+       return true;
+}
+
+void Client::typeChatMessage(const std::wstring &message)
+{
+       // Discard empty line
+       if(message == L"")
+               return;
 
-       for(core::map<v3s16, MapBlock*>::Iterator
-                       i = affected_blocks.getIterator();
-                       i.atEnd() == false; i++)
+       // Send to others
+       sendChatMessage(message);
+
+       // Show locally
+       if (message[0] == L'/')
+       {
+               m_chat_queue.push_back(
+                               (std::wstring)L"issued command: "+message);
+       }
+       else
        {
-               i.getNode()->getValue()->updateMesh(m_env.getDayNightRatio());
+               LocalPlayer *player = m_env.getLocalPlayer();
+               assert(player != NULL);
+               std::wstring name = narrow_to_wide(player->getName());
+               m_chat_queue.push_back(
+                               (std::wstring)L"<"+name+L"> "+message);
        }
 }
 
-void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server)
+void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
 {
        /*infostream<<"Client::addUpdateMeshTask(): "
                        <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
+                       <<" ack_to_server="<<ack_to_server
+                       <<" urgent="<<urgent
                        <<std::endl;*/
 
        MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
@@ -2076,45 +2681,29 @@ void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server)
                Create a task to update the mesh of the block
        */
        
-       MeshMakeData *data = new MeshMakeData;
+       MeshMakeData *data = new MeshMakeData(this);
        
        {
                //TimeTaker timer("data fill");
                // Release: ~0ms
                // Debug: 1-6ms, avg=2ms
-               data->fill(getDayNightRatio(), b);
+               data->fill(b);
+               data->setCrack(m_crack_level, m_crack_pos);
+               data->setSmoothLighting(g_settings->getBool("smooth_lighting"));
        }
 
        // Debug wait
        //while(m_mesh_update_thread.m_queue_in.size() > 0) sleep_ms(10);
        
        // Add task to queue
-       m_mesh_update_thread.m_queue_in.addBlock(p, data, ack_to_server);
+       m_mesh_update_thread.m_queue_in.addBlock(p, data, ack_to_server, urgent);
 
        /*infostream<<"Mesh update input queue size is "
                        <<m_mesh_update_thread.m_queue_in.size()
                        <<std::endl;*/
-       
-#if 0
-       // Temporary test: make mesh directly in here
-       {
-               //TimeTaker timer("make mesh");
-               // 10ms
-               scene::SMesh *mesh_new = NULL;
-               mesh_new = makeMapBlockMesh(data);
-               b->replaceMesh(mesh_new);
-               delete data;
-       }
-#endif
-
-       /*
-               Mark mesh as non-expired at this point so that it can already
-               be marked as expired again if the data changes
-       */
-       b->setMeshExpired(false);
 }
 
-void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server)
+void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
 {
        /*{
                v3s16 p = blockpos;
@@ -2126,25 +2715,66 @@ void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server)
        try{
                v3s16 p = blockpos + v3s16(0,0,0);
                //MapBlock *b = m_env.getMap().getBlockNoCreate(p);
-               addUpdateMeshTask(p, ack_to_server);
+               addUpdateMeshTask(p, ack_to_server, urgent);
        }
        catch(InvalidPositionException &e){}
        // Leading edge
        try{
                v3s16 p = blockpos + v3s16(-1,0,0);
-               addUpdateMeshTask(p);
+               addUpdateMeshTask(p, false, urgent);
        }
        catch(InvalidPositionException &e){}
        try{
                v3s16 p = blockpos + v3s16(0,-1,0);
-               addUpdateMeshTask(p);
+               addUpdateMeshTask(p, false, urgent);
        }
        catch(InvalidPositionException &e){}
        try{
                v3s16 p = blockpos + v3s16(0,0,-1);
-               addUpdateMeshTask(p);
+               addUpdateMeshTask(p, false, urgent);
+       }
+       catch(InvalidPositionException &e){}
+}
+
+void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
+{
+       {
+               v3s16 p = nodepos;
+               infostream<<"Client::addUpdateMeshTaskForNode(): "
+                               <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
+                               <<std::endl;
+       }
+
+       v3s16 blockpos = getNodeBlockPos(nodepos);
+       v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
+
+       try{
+               v3s16 p = blockpos + v3s16(0,0,0);
+               addUpdateMeshTask(p, ack_to_server, urgent);
        }
        catch(InvalidPositionException &e){}
+       // Leading edge
+       if(nodepos.X == blockpos_relative.X){
+               try{
+                       v3s16 p = blockpos + v3s16(-1,0,0);
+                       addUpdateMeshTask(p, false, urgent);
+               }
+               catch(InvalidPositionException &e){}
+       }
+       if(nodepos.Y == blockpos_relative.Y){
+               try{
+                       v3s16 p = blockpos + v3s16(0,-1,0);
+                       addUpdateMeshTask(p, false, urgent);
+               }
+               catch(InvalidPositionException &e){}
+       }
+       if(nodepos.Z == blockpos_relative.Z){
+               try{
+                       v3s16 p = blockpos + v3s16(0,0,-1);
+                       addUpdateMeshTask(p, false, urgent);
+               }
+               catch(InvalidPositionException &e){}
+       }
 }
 
 ClientEvent Client::getClientEvent()
@@ -2158,6 +2788,57 @@ ClientEvent Client::getClientEvent()
        return m_client_event_queue.pop_front();
 }
 
+void Client::afterContentReceived()
+{
+       infostream<<"Client::afterContentReceived() started"<<std::endl;
+       assert(m_itemdef_received);
+       assert(m_nodedef_received);
+       assert(texturesReceived());
+       
+       // remove the information about which checksum each texture
+       // ought to have
+       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
+       infostream<<"- Updating texture atlas"<<std::endl;
+       if(g_settings->getBool("enable_texture_atlas"))
+               m_tsrc->buildMainAtlas(this);
+
+       // Rebuild shaders
+       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);
+
+       // Preload item textures and meshes if configured to
+       if(g_settings->getBool("preload_item_visuals"))
+       {
+               verbosestream<<"Updating item textures and meshes"<<std::endl;
+               std::set<std::string> names = m_itemdef->getAll();
+               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);
+               }
+       }
+
+       // 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)
 {
        try{
@@ -2167,3 +2848,42 @@ float Client::getRTT(void)
        }
 }
 
+// IGameDef interface
+// Under envlock
+IItemDefManager* Client::getItemDefManager()
+{
+       return m_itemdef;
+}
+INodeDefManager* Client::getNodeDefManager()
+{
+       return m_nodedef;
+}
+ICraftDefManager* Client::getCraftDefManager()
+{
+       return NULL;
+       //return m_craftdef;
+}
+ITextureSource* Client::getTextureSource()
+{
+       return m_tsrc;
+}
+IShaderSource* Client::getShaderSource()
+{
+       return m_shsrc;
+}
+u16 Client::allocateUnknownNodeId(const std::string &name)
+{
+       errorstream<<"Client::allocateUnknownNodeId(): "
+                       <<"Client cannot allocate node IDs"<<std::endl;
+       assert(0);
+       return CONTENT_IGNORE;
+}
+ISoundManager* Client::getSoundManager()
+{
+       return m_sound;
+}
+MtEventManager* Client::getEventManager()
+{
+       return m_event;
+}
+