src/itemdef.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2013 Kahrl <kahrl@gmx.net>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #include "itemdef.h"
  22
  23 #include "gamedef.h"
  24 #include "nodedef.h"
  25 #include "tool.h"
  26 #include "inventory.h"
  27 #ifndef SERVER
  28 #include "mapblock_mesh.h"
  29 #include "mesh.h"
  30 #include "tile.h"
  31 #endif
  32 #include "log.h"
  33 #include "main.h" // g_settings
  34 #include "settings.h"
  35 #include "util/serialize.h"
  36 #include "util/container.h"
  37 #include "util/thread.h"
  38 #include <map>
  39 #include <set>
  40
  41 #ifdef __ANDROID__
  42 #include <GLES/gl.h>
  43 #endif
  44
  45 /*
  46         ItemDefinition
  47 */
  48 ItemDefinition::ItemDefinition()
  49 {
  50         resetInitial();
  51 }
  52
  53 ItemDefinition::ItemDefinition(const ItemDefinition &def)
  54 {
  55         resetInitial();
  56         *this = def;
  57 }
  58
  59 ItemDefinition& ItemDefinition::operator=(const ItemDefinition &def)
  60 {
  61         if(this == &def)
  62                 return *this;
  63
  64         reset();
  65
  66         type = def.type;
  67         name = def.name;
  68         description = def.description;
  69         inventory_image = def.inventory_image;
  70         wield_image = def.wield_image;
  71         wield_scale = def.wield_scale;
  72         stack_max = def.stack_max;
  73         usable = def.usable;
  74         liquids_pointable = def.liquids_pointable;
  75         if(def.tool_capabilities)
  76         {
  77                 tool_capabilities = new ToolCapabilities(
  78                                 *def.tool_capabilities);
  79         }
  80         groups = def.groups;
  81         node_placement_prediction = def.node_placement_prediction;
  82         sound_place = def.sound_place;
  83         range = def.range;
  84         return *this;
  85 }
  86
  87 ItemDefinition::~ItemDefinition()
  88 {
  89         reset();
  90 }
  91
  92 void ItemDefinition::resetInitial()
  93 {
  94         // Initialize pointers to NULL so reset() does not delete undefined pointers
  95         tool_capabilities = NULL;
  96         reset();
  97 }
  98
  99 void ItemDefinition::reset()
 100 {
 101         type = ITEM_NONE;
 102         name = "";
 103         description = "";
 104         inventory_image = "";
 105         wield_image = "";
 106         wield_scale = v3f(1.0, 1.0, 1.0);
 107         stack_max = 99;
 108         usable = false;
 109         liquids_pointable = false;
 110         if(tool_capabilities)
 111         {
 112                 delete tool_capabilities;
 113                 tool_capabilities = NULL;
 114         }
 115         groups.clear();
 116         sound_place = SimpleSoundSpec();
 117         range = -1;
 118
 119         node_placement_prediction = "";
 120 }
 121
 122 void ItemDefinition::serialize(std::ostream &os, u16 protocol_version) const
 123 {
 124         if(protocol_version <= 17)
 125                 writeU8(os, 1); // version
 126         else if(protocol_version <= 20)
 127                 writeU8(os, 2); // version
 128         else
 129                 writeU8(os, 3); // version
 130         writeU8(os, type);
 131         os<<serializeString(name);
 132         os<<serializeString(description);
 133         os<<serializeString(inventory_image);
 134         os<<serializeString(wield_image);
 135         writeV3F1000(os, wield_scale);
 136         writeS16(os, stack_max);
 137         writeU8(os, usable);
 138         writeU8(os, liquids_pointable);
 139         std::string tool_capabilities_s = "";
 140         if(tool_capabilities){
 141                 std::ostringstream tmp_os(std::ios::binary);
 142                 tool_capabilities->serialize(tmp_os, protocol_version);
 143                 tool_capabilities_s = tmp_os.str();
 144         }
 145         os<<serializeString(tool_capabilities_s);
 146         writeU16(os, groups.size());
 147         for(std::map<std::string, int>::const_iterator
 148                         i = groups.begin(); i != groups.end(); i++){
 149                 os<<serializeString(i->first);
 150                 writeS16(os, i->second);
 151         }
 152         os<<serializeString(node_placement_prediction);
 153         if(protocol_version > 17){
 154                 //serializeSimpleSoundSpec(sound_place, os);
 155                 os<<serializeString(sound_place.name);
 156                 writeF1000(os, sound_place.gain);
 157         }
 158         if(protocol_version > 20){
 159                 writeF1000(os, range);
 160         }
 161 }
 162
 163 void ItemDefinition::deSerialize(std::istream &is)
 164 {
 165         // Reset everything
 166         reset();
 167
 168         // Deserialize
 169         int version = readU8(is);
 170         if(version < 1 || version > 3)
 171                 throw SerializationError("unsupported ItemDefinition version");
 172         type = (enum ItemType)readU8(is);
 173         name = deSerializeString(is);
 174         description = deSerializeString(is);
 175         inventory_image = deSerializeString(is);
 176         wield_image = deSerializeString(is);
 177         wield_scale = readV3F1000(is);
 178         stack_max = readS16(is);
 179         usable = readU8(is);
 180         liquids_pointable = readU8(is);
 181         std::string tool_capabilities_s = deSerializeString(is);
 182         if(!tool_capabilities_s.empty())
 183         {
 184                 std::istringstream tmp_is(tool_capabilities_s, std::ios::binary);
 185                 tool_capabilities = new ToolCapabilities;
 186                 tool_capabilities->deSerialize(tmp_is);
 187         }
 188         groups.clear();
 189         u32 groups_size = readU16(is);
 190         for(u32 i=0; i<groups_size; i++){
 191                 std::string name = deSerializeString(is);
 192                 int value = readS16(is);
 193                 groups[name] = value;
 194         }
 195         if(version == 1){
 196                 // We cant be sure that node_placement_prediction is send in version 1
 197                 try{
 198                         node_placement_prediction = deSerializeString(is);
 199                 }catch(SerializationError &e) {};
 200                 // Set the old default sound
 201                 sound_place.name = "default_place_node";
 202                 sound_place.gain = 0.5;
 203         } else if(version >= 2) {
 204                 node_placement_prediction = deSerializeString(is);
 205                 //deserializeSimpleSoundSpec(sound_place, is);
 206                 sound_place.name = deSerializeString(is);
 207                 sound_place.gain = readF1000(is);
 208         }
 209         if(version == 3) {
 210                 range = readF1000(is);
 211         }
 212         // If you add anything here, insert it primarily inside the try-catch
 213         // block to not need to increase the version.
 214         try{
 215         }catch(SerializationError &e) {};
 216 }
 217
 218 /*
 219         CItemDefManager
 220 */
 221
 222 // SUGG: Support chains of aliases?
 223
 224 class CItemDefManager: public IWritableItemDefManager
 225 {
 226 #ifndef SERVER
 227         struct ClientCached
 228         {
 229                 video::ITexture *inventory_texture;
 230                 scene::IMesh *wield_mesh;
 231
 232                 ClientCached():
 233                         inventory_texture(NULL),
 234                         wield_mesh(NULL)
 235                 {}
 236         };
 237 #endif
 238
 239 public:
 240         CItemDefManager()
 241         {
 242
 243 #ifndef SERVER
 244                 m_main_thread = get_current_thread_id();
 245 #endif
 246                 clear();
 247         }
 248         virtual ~CItemDefManager()
 249         {
 250 #ifndef SERVER
 251                 const std::list<ClientCached*> &values = m_clientcached.getValues();
 252                 for(std::list<ClientCached*>::const_iterator
 253                                 i = values.begin(); i != values.end(); ++i)
 254                 {
 255                         ClientCached *cc = *i;
 256                         if (cc->wield_mesh)
 257                                 cc->wield_mesh->drop();
 258                         delete cc;
 259                 }
 260
 261 #endif
 262                 for (std::map<std::string, ItemDefinition*>::iterator iter =
 263                                 m_item_definitions.begin(); iter != m_item_definitions.end();
 264                                 iter ++) {
 265                         delete iter->second;
 266                 }
 267                 m_item_definitions.clear();
 268         }
 269         virtual const ItemDefinition& get(const std::string &name_) const
 270         {
 271                 // Convert name according to possible alias
 272                 std::string name = getAlias(name_);
 273                 // Get the definition
 274                 std::map<std::string, ItemDefinition*>::const_iterator i;
 275                 i = m_item_definitions.find(name);
 276                 if(i == m_item_definitions.end())
 277                         i = m_item_definitions.find("unknown");
 278                 assert(i != m_item_definitions.end());
 279                 return *(i->second);
 280         }
 281         virtual std::string getAlias(const std::string &name) const
 282         {
 283                 std::map<std::string, std::string>::const_iterator i;
 284                 i = m_aliases.find(name);
 285                 if(i != m_aliases.end())
 286                         return i->second;
 287                 return name;
 288         }
 289         virtual std::set<std::string> getAll() const
 290         {
 291                 std::set<std::string> result;
 292                 for(std::map<std::string, ItemDefinition*>::const_iterator
 293                                 i = m_item_definitions.begin();
 294                                 i != m_item_definitions.end(); i++)
 295                 {
 296                         result.insert(i->first);
 297                 }
 298                 for(std::map<std::string, std::string>::const_iterator
 299                                 i = m_aliases.begin();
 300                                 i != m_aliases.end(); i++)
 301                 {
 302                         result.insert(i->first);
 303                 }
 304                 return result;
 305         }
 306         virtual bool isKnown(const std::string &name_) const
 307         {
 308                 // Convert name according to possible alias
 309                 std::string name = getAlias(name_);
 310                 // Get the definition
 311                 std::map<std::string, ItemDefinition*>::const_iterator i;
 312                 return m_item_definitions.find(name) != m_item_definitions.end();
 313         }
 314 #ifndef SERVER
 315 public:
 316         ClientCached* createClientCachedDirect(const std::string &name,
 317                         IGameDef *gamedef) const
 318         {
 319                 infostream<<"Lazily creating item texture and mesh for \""
 320                                 <<name<<"\""<<std::endl;
 321
 322                 // This is not thread-safe
 323                 assert(get_current_thread_id() == m_main_thread);
 324
 325                 // Skip if already in cache
 326                 ClientCached *cc = NULL;
 327                 m_clientcached.get(name, &cc);
 328                 if(cc)
 329                         return cc;
 330
 331                 ITextureSource *tsrc = gamedef->getTextureSource();
 332                 INodeDefManager *nodedef = gamedef->getNodeDefManager();
 333                 IrrlichtDevice *device = tsrc->getDevice();
 334                 video::IVideoDriver *driver = device->getVideoDriver();
 335                 const ItemDefinition *def = &get(name);
 336
 337                 // Create new ClientCached
 338                 cc = new ClientCached();
 339
 340                 bool need_node_mesh = false;
 341
 342                 // Create an inventory texture
 343                 cc->inventory_texture = NULL;
 344                 if(def->inventory_image != "")
 345                 {
 346                         cc->inventory_texture = tsrc->getTexture(def->inventory_image);
 347                 }
 348                 else if(def->type == ITEM_NODE)
 349                 {
 350                         need_node_mesh = true;
 351                 }
 352
 353                 // Create a wield mesh
 354                 assert(cc->wield_mesh == NULL);
 355                 if(def->type == ITEM_NODE && def->wield_image == "")
 356                 {
 357                         need_node_mesh = true;
 358                 }
 359                 else if(def->wield_image != "" || def->inventory_image != "")
 360                 {
 361                         // Extrude the wield image into a mesh
 362
 363                         std::string imagename;
 364                         if(def->wield_image != "")
 365                                 imagename = def->wield_image;
 366                         else
 367                                 imagename = def->inventory_image;
 368
 369                         cc->wield_mesh = createExtrudedMesh(
 370                                         tsrc->getTexture(imagename),
 371                                         driver,
 372                                         def->wield_scale * v3f(40.0, 40.0, 4.0));
 373                         if(cc->wield_mesh == NULL)
 374                         {
 375                                 infostream<<"ItemDefManager: WARNING: "
 376                                         <<"updateTexturesAndMeshes(): "
 377                                         <<"Unable to create extruded mesh for item "
 378                                         <<def->name<<std::endl;
 379                         }
 380                 }
 381
 382                 if(need_node_mesh)
 383                 {
 384                         /*
 385                                 Get node properties
 386                         */
 387                         content_t id = nodedef->getId(def->name);
 388                         const ContentFeatures &f = nodedef->get(id);
 389
 390                         u8 param1 = 0;
 391                         if(f.param_type == CPT_LIGHT)
 392                                 param1 = 0xee;
 393
 394                         /*
 395                                 Make a mesh from the node
 396                         */
 397                         bool reenable_shaders = false;
 398                         if(g_settings->getBool("enable_shaders")){
 399                                 reenable_shaders = true;
 400                                 g_settings->setBool("enable_shaders",false);
 401                         }
 402                         MeshMakeData mesh_make_data(gamedef);
 403                         u8 param2 = 0;
 404                         if (f.param_type_2 == CPT2_WALLMOUNTED)
 405                                 param2 = 1;
 406                         MapNode mesh_make_node(id, param1, param2);
 407                         mesh_make_data.fillSingleNode(&mesh_make_node);
 408                         MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
 409                         scene::IMesh *node_mesh = mapblock_mesh.getMesh();
 410                         assert(node_mesh);
 411                         video::SColor c(255, 255, 255, 255);
 412                         setMeshColor(node_mesh, c);
 413
 414                         /*
 415                                 Scale and translate the mesh so it's a unit cube
 416                                 centered on the origin
 417                         */
 418                         scaleMesh(node_mesh, v3f(1.0/BS, 1.0/BS, 1.0/BS));
 419                         translateMesh(node_mesh, v3f(-1.0, -1.0, -1.0));
 420
 421                         /*
 422                                 Draw node mesh into a render target texture
 423                         */
 424                         if(cc->inventory_texture == NULL)
 425                         {
 426                                 TextureFromMeshParams params;
 427                                 params.mesh = node_mesh;
 428                                 params.dim.set(64, 64);
 429                                 params.rtt_texture_name = "INVENTORY_"
 430                                         + def->name + "_RTT";
 431                                 params.delete_texture_on_shutdown = true;
 432                                 params.camera_position.set(0, 1.0, -1.5);
 433                                 params.camera_position.rotateXZBy(45);
 434                                 params.camera_lookat.set(0, 0, 0);
 435                                 // Set orthogonal projection
 436                                 params.camera_projection_matrix.buildProjectionMatrixOrthoLH(
 437                                                 1.65, 1.65, 0, 100);
 438                                 params.ambient_light.set(1.0, 0.2, 0.2, 0.2);
 439                                 params.light_position.set(10, 100, -50);
 440                                 params.light_color.set(1.0, 0.5, 0.5, 0.5);
 441                                 params.light_radius = 1000;
 442
 443 #ifdef __ANDROID__
 444                                 params.camera_position.set(0, -1.0, -1.5);
 445                                 params.camera_position.rotateXZBy(45);
 446                                 params.light_position.set(10, -100, -50);
 447 #endif
 448                                 cc->inventory_texture =
 449                                         tsrc->generateTextureFromMesh(params);
 450
 451                                 // render-to-target didn't work
 452                                 if(cc->inventory_texture == NULL)
 453                                 {
 454                                         cc->inventory_texture =
 455                                                 tsrc->getTexture(f.tiledef[0].name);
 456                                 }
 457                         }
 458
 459                         /*
 460                                 Use the node mesh as the wield mesh
 461                         */
 462
 463                         // Scale to proper wield mesh proportions
 464                         scaleMesh(node_mesh, v3f(30.0, 30.0, 30.0)
 465                                         * def->wield_scale);
 466
 467                         cc->wield_mesh = node_mesh;
 468                         cc->wield_mesh->grab();
 469
 470                         //no way reference count can be smaller than 2 in this place!
 471                         assert(cc->wield_mesh->getReferenceCount() >= 2);
 472
 473                         if (reenable_shaders)
 474                                 g_settings->setBool("enable_shaders",true);
 475                 }
 476
 477                 // Put in cache
 478                 m_clientcached.set(name, cc);
 479
 480                 return cc;
 481         }
 482         ClientCached* getClientCached(const std::string &name,
 483                         IGameDef *gamedef) const
 484         {
 485                 ClientCached *cc = NULL;
 486                 m_clientcached.get(name, &cc);
 487                 if(cc)
 488                         return cc;
 489
 490                 if(get_current_thread_id() == m_main_thread)
 491                 {
 492                         return createClientCachedDirect(name, gamedef);
 493                 }
 494                 else
 495                 {
 496                         // We're gonna ask the result to be put into here
 497                         static ResultQueue<std::string, ClientCached*, u8, u8> result_queue;
 498
 499                         // Throw a request in
 500                         m_get_clientcached_queue.add(name, 0, 0, &result_queue);
 501                         try{
 502                                 while(true) {
 503                                         // Wait result for a second
 504                                         GetResult<std::string, ClientCached*, u8, u8>
 505                                                 result = result_queue.pop_front(1000);
 506
 507                                         if (result.key == name) {
 508                                                 return result.item;
 509                                         }
 510                                 }
 511                         }
 512                         catch(ItemNotFoundException &e)
 513                         {
 514                                 errorstream<<"Waiting for clientcached " << name << " timed out."<<std::endl;
 515                                 return &m_dummy_clientcached;
 516                         }
 517                 }
 518         }
 519         // Get item inventory texture
 520         virtual video::ITexture* getInventoryTexture(const std::string &name,
 521                         IGameDef *gamedef) const
 522         {
 523                 ClientCached *cc = getClientCached(name, gamedef);
 524                 if(!cc)
 525                         return NULL;
 526                 return cc->inventory_texture;
 527         }
 528         // Get item wield mesh
 529         virtual scene::IMesh* getWieldMesh(const std::string &name,
 530                         IGameDef *gamedef) const
 531         {
 532                 ClientCached *cc = getClientCached(name, gamedef);
 533                 if(!cc)
 534                         return NULL;
 535                 return cc->wield_mesh;
 536         }
 537 #endif
 538         void clear()
 539         {
 540                 for(std::map<std::string, ItemDefinition*>::const_iterator
 541                                 i = m_item_definitions.begin();
 542                                 i != m_item_definitions.end(); i++)
 543                 {
 544                         delete i->second;
 545                 }
 546                 m_item_definitions.clear();
 547                 m_aliases.clear();
 548
 549                 // Add the four builtin items:
 550                 //   "" is the hand
 551                 //   "unknown" is returned whenever an undefined item
 552                 //     is accessed (is also the unknown node)
 553                 //   "air" is the air node
 554                 //   "ignore" is the ignore node
 555
 556                 ItemDefinition* hand_def = new ItemDefinition;
 557                 hand_def->name = "";
 558                 hand_def->wield_image = "wieldhand.png";
 559                 hand_def->tool_capabilities = new ToolCapabilities;
 560                 m_item_definitions.insert(std::make_pair("", hand_def));
 561
 562                 ItemDefinition* unknown_def = new ItemDefinition;
 563                 unknown_def->type = ITEM_NODE;
 564                 unknown_def->name = "unknown";
 565                 m_item_definitions.insert(std::make_pair("unknown", unknown_def));
 566
 567                 ItemDefinition* air_def = new ItemDefinition;
 568                 air_def->type = ITEM_NODE;
 569                 air_def->name = "air";
 570                 m_item_definitions.insert(std::make_pair("air", air_def));
 571
 572                 ItemDefinition* ignore_def = new ItemDefinition;
 573                 ignore_def->type = ITEM_NODE;
 574                 ignore_def->name = "ignore";
 575                 m_item_definitions.insert(std::make_pair("ignore", ignore_def));
 576         }
 577         virtual void registerItem(const ItemDefinition &def)
 578         {
 579                 verbosestream<<"ItemDefManager: registering \""<<def.name<<"\""<<std::endl;
 580                 // Ensure that the "" item (the hand) always has ToolCapabilities
 581                 if(def.name == "")
 582                         assert(def.tool_capabilities != NULL);
 583
 584                 if(m_item_definitions.count(def.name) == 0)
 585                         m_item_definitions[def.name] = new ItemDefinition(def);
 586                 else
 587                         *(m_item_definitions[def.name]) = def;
 588
 589                 // Remove conflicting alias if it exists
 590                 bool alias_removed = (m_aliases.erase(def.name) != 0);
 591                 if(alias_removed)
 592                         infostream<<"ItemDefManager: erased alias "<<def.name
 593                                         <<" because item was defined"<<std::endl;
 594         }
 595         virtual void registerAlias(const std::string &name,
 596                         const std::string &convert_to)
 597         {
 598                 if(m_item_definitions.find(name) == m_item_definitions.end())
 599                 {
 600                         verbosestream<<"ItemDefManager: setting alias "<<name
 601                                 <<" -> "<<convert_to<<std::endl;
 602                         m_aliases[name] = convert_to;
 603                 }
 604         }
 605         void serialize(std::ostream &os, u16 protocol_version)
 606         {
 607                 writeU8(os, 0); // version
 608                 u16 count = m_item_definitions.size();
 609                 writeU16(os, count);
 610                 for(std::map<std::string, ItemDefinition*>::const_iterator
 611                                 i = m_item_definitions.begin();
 612                                 i != m_item_definitions.end(); i++)
 613                 {
 614                         ItemDefinition *def = i->second;
 615                         // Serialize ItemDefinition and write wrapped in a string
 616                         std::ostringstream tmp_os(std::ios::binary);
 617                         def->serialize(tmp_os, protocol_version);
 618                         os<<serializeString(tmp_os.str());
 619                 }
 620                 writeU16(os, m_aliases.size());
 621                 for(std::map<std::string, std::string>::const_iterator
 622                         i = m_aliases.begin(); i != m_aliases.end(); i++)
 623                 {
 624                         os<<serializeString(i->first);
 625                         os<<serializeString(i->second);
 626                 }
 627         }
 628         void deSerialize(std::istream &is)
 629         {
 630                 // Clear everything
 631                 clear();
 632                 // Deserialize
 633                 int version = readU8(is);
 634                 if(version != 0)
 635                         throw SerializationError("unsupported ItemDefManager version");
 636                 u16 count = readU16(is);
 637                 for(u16 i=0; i<count; i++)
 638                 {
 639                         // Deserialize a string and grab an ItemDefinition from it
 640                         std::istringstream tmp_is(deSerializeString(is), std::ios::binary);
 641                         ItemDefinition def;
 642                         def.deSerialize(tmp_is);
 643                         // Register
 644                         registerItem(def);
 645                 }
 646                 u16 num_aliases = readU16(is);
 647                 for(u16 i=0; i<num_aliases; i++)
 648                 {
 649                         std::string name = deSerializeString(is);
 650                         std::string convert_to = deSerializeString(is);
 651                         registerAlias(name, convert_to);
 652                 }
 653         }
 654         void processQueue(IGameDef *gamedef)
 655         {
 656 #ifndef SERVER
 657                 //NOTE this is only thread safe for ONE consumer thread!
 658                 while(!m_get_clientcached_queue.empty())
 659                 {
 660                         GetRequest<std::string, ClientCached*, u8, u8>
 661                                         request = m_get_clientcached_queue.pop();
 662
 663                         m_get_clientcached_queue.pushResult(request,
 664                                         createClientCachedDirect(request.key, gamedef));
 665                 }
 666 #endif
 667         }
 668 private:
 669         // Key is name
 670         std::map<std::string, ItemDefinition*> m_item_definitions;
 671         // Aliases
 672         std::map<std::string, std::string> m_aliases;
 673 #ifndef SERVER
 674         // The id of the thread that is allowed to use irrlicht directly
 675         threadid_t m_main_thread;
 676         // A reference to this can be returned when nothing is found, to avoid NULLs
 677         mutable ClientCached m_dummy_clientcached;
 678         // Cached textures and meshes
 679         mutable MutexedMap<std::string, ClientCached*> m_clientcached;
 680         // Queued clientcached fetches (to be processed by the main thread)
 681         mutable RequestQueue<std::string, ClientCached*, u8, u8> m_get_clientcached_queue;
 682 #endif
 683 };
 684
 685 IWritableItemDefManager* createItemDefManager()
 686 {
 687         return new CItemDefManager();
 688 }