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 "wieldmesh.h"
  31 #endif
  32 #include "log.h"
  33 #include "settings.h"
  34 #include "util/serialize.h"
  35
  36 #ifdef __ANDROID__
  37 #include <GLES/gl.h>
  38 #endif
  39
  40 /*
  41         ItemDefinition
  42 */
  43 ItemDefinition::ItemDefinition()
  44 {
  45         resetInitial();
  46 }
  47
  48 ItemDefinition::ItemDefinition(const ItemDefinition &def)
  49 {
  50         resetInitial();
  51         *this = def;
  52 }
  53
  54 ItemDefinition& ItemDefinition::operator=(const ItemDefinition &def)
  55 {
  56         if(this == &def)
  57                 return *this;
  58
  59         reset();
  60
  61         type = def.type;
  62         name = def.name;
  63         description = def.description;
  64         inventory_image = def.inventory_image;
  65         wield_image = def.wield_image;
  66         wield_scale = def.wield_scale;
  67         stack_max = def.stack_max;
  68         usable = def.usable;
  69         liquids_pointable = def.liquids_pointable;
  70         if(def.tool_capabilities)
  71         {
  72                 tool_capabilities = new ToolCapabilities(
  73                                 *def.tool_capabilities);
  74         }
  75         groups = def.groups;
  76         node_placement_prediction = def.node_placement_prediction;
  77         sound_place = def.sound_place;
  78         sound_place_failed = def.sound_place_failed;
  79         range = def.range;
  80         meshname = def.meshname;
  81         meshtexture = def.meshtexture;
  82         return *this;
  83 }
  84
  85 ItemDefinition::~ItemDefinition()
  86 {
  87         reset();
  88 }
  89
  90 void ItemDefinition::resetInitial()
  91 {
  92         // Initialize pointers to NULL so reset() does not delete undefined pointers
  93         tool_capabilities = NULL;
  94         reset();
  95 }
  96
  97 void ItemDefinition::reset()
  98 {
  99         type = ITEM_NONE;
 100         name = "";
 101         description = "";
 102         inventory_image = "";
 103         wield_image = "";
 104         wield_scale = v3f(1.0, 1.0, 1.0);
 105         stack_max = 99;
 106         usable = false;
 107         liquids_pointable = false;
 108         if(tool_capabilities)
 109         {
 110                 delete tool_capabilities;
 111                 tool_capabilities = NULL;
 112         }
 113         groups.clear();
 114         sound_place = SimpleSoundSpec();
 115         sound_place_failed = SimpleSoundSpec();
 116         range = -1;
 117
 118         node_placement_prediction = "";
 119 }
 120
 121 void ItemDefinition::serialize(std::ostream &os, u16 protocol_version) const
 122 {
 123         if(protocol_version <= 17)
 124                 writeU8(os, 1); // version
 125         else if(protocol_version <= 20)
 126                 writeU8(os, 2); // version
 127         else
 128                 writeU8(os, 3); // version
 129         writeU8(os, type);
 130         os<<serializeString(name);
 131         os<<serializeString(description);
 132         os<<serializeString(inventory_image);
 133         os<<serializeString(wield_image);
 134         writeV3F1000(os, wield_scale);
 135         writeS16(os, stack_max);
 136         writeU8(os, usable);
 137         writeU8(os, liquids_pointable);
 138         std::string tool_capabilities_s = "";
 139         if(tool_capabilities){
 140                 std::ostringstream tmp_os(std::ios::binary);
 141                 tool_capabilities->serialize(tmp_os, protocol_version);
 142                 tool_capabilities_s = tmp_os.str();
 143         }
 144         os<<serializeString(tool_capabilities_s);
 145         writeU16(os, groups.size());
 146         for(std::map<std::string, int>::const_iterator
 147                         i = groups.begin(); i != groups.end(); ++i){
 148                 os<<serializeString(i->first);
 149                 writeS16(os, i->second);
 150         }
 151         os<<serializeString(node_placement_prediction);
 152         if(protocol_version > 17){
 153                 //serializeSimpleSoundSpec(sound_place, os);
 154                 os<<serializeString(sound_place.name);
 155                 writeF1000(os, sound_place.gain);
 156         }
 157         if (protocol_version > 20) {
 158                 writeF1000(os, range);
 159                 os << serializeString(sound_place_failed.name);
 160                 writeF1000(os, sound_place_failed.gain);
 161         }
 162
 163         //TODO check for protocol version?
 164         os<<serializeString(meshname);
 165         os<<serializeString(meshtexture);
 166 }
 167
 168 void ItemDefinition::deSerialize(std::istream &is)
 169 {
 170         // Reset everything
 171         reset();
 172
 173         // Deserialize
 174         int version = readU8(is);
 175         if(version < 1 || version > 3)
 176                 throw SerializationError("unsupported ItemDefinition version");
 177         type = (enum ItemType)readU8(is);
 178         name = deSerializeString(is);
 179         description = deSerializeString(is);
 180         inventory_image = deSerializeString(is);
 181         wield_image = deSerializeString(is);
 182         wield_scale = readV3F1000(is);
 183         stack_max = readS16(is);
 184         usable = readU8(is);
 185         liquids_pointable = readU8(is);
 186         std::string tool_capabilities_s = deSerializeString(is);
 187         if(!tool_capabilities_s.empty())
 188         {
 189                 std::istringstream tmp_is(tool_capabilities_s, std::ios::binary);
 190                 tool_capabilities = new ToolCapabilities;
 191                 tool_capabilities->deSerialize(tmp_is);
 192         }
 193         groups.clear();
 194         u32 groups_size = readU16(is);
 195         for(u32 i=0; i<groups_size; i++){
 196                 std::string name = deSerializeString(is);
 197                 int value = readS16(is);
 198                 groups[name] = value;
 199         }
 200         if(version == 1){
 201                 // We cant be sure that node_placement_prediction is send in version 1
 202                 try{
 203                         node_placement_prediction = deSerializeString(is);
 204                 }catch(SerializationError &e) {};
 205                 // Set the old default sound
 206                 sound_place.name = "default_place_node";
 207                 sound_place.gain = 0.5;
 208         } else if(version >= 2) {
 209                 node_placement_prediction = deSerializeString(is);
 210                 //deserializeSimpleSoundSpec(sound_place, is);
 211                 sound_place.name = deSerializeString(is);
 212                 sound_place.gain = readF1000(is);
 213         }
 214         if(version == 3) {
 215                 range = readF1000(is);
 216         }
 217         // If you add anything here, insert it primarily inside the try-catch
 218         // block to not need to increase the version.
 219         try {
 220                 sound_place_failed.name = deSerializeString(is);
 221                 sound_place_failed.gain = readF1000(is);
 222         } catch(SerializationError &e) {};
 223
 224         //TODO check for protocol?
 225         meshname = deSerializeString(is);
 226         meshtexture = deSerializeString(is);
 227 }
 228
 229 /*
 230         CItemDefManager
 231 */
 232
 233 // SUGG: Support chains of aliases?
 234
 235 #ifndef SERVER
 236 CItemDefManager::ClientCached::ClientCached() :
 237                 inventory_texture(NULL),
 238                 wield_mesh(NULL)
 239 {}
 240 #endif
 241
 242 CItemDefManager::CItemDefManager()
 243 {
 244 #ifndef SERVER
 245         m_main_thread = thr_get_current_thread_id();
 246 #endif
 247         clear();
 248 }
 249
 250 /******************************************************************************/
 251 CItemDefManager::~CItemDefManager()
 252 {
 253 #ifndef SERVER
 254         const std::vector<ClientCached*> &values = m_clientcached.getValues();
 255         for(std::vector<ClientCached*>::const_iterator
 256                         i = values.begin(); i != values.end(); ++i) {
 257
 258                 ClientCached *cc = *i;
 259                 if (cc->wield_mesh)
 260                         cc->wield_mesh->drop();
 261                 delete cc;
 262         }
 263
 264 #endif
 265         for (std::map<std::string, ItemDefinition*>::iterator iter =
 266                         m_item_definitions.begin(); iter != m_item_definitions.end();
 267                         ++iter) {
 268
 269                 delete iter->second;
 270         }
 271         m_item_definitions.clear();
 272 }
 273
 274 /******************************************************************************/
 275 const ItemDefinition& CItemDefManager::get(const std::string &name_) const
 276 {
 277         // Convert name according to possible alias
 278         std::string name = getAlias(name_);
 279         // Get the definition
 280         std::map<std::string, ItemDefinition*>::const_iterator i;
 281         i = m_item_definitions.find(name);
 282         if(i == m_item_definitions.end())
 283                 i = m_item_definitions.find("unknown");
 284         assert(i != m_item_definitions.end());
 285         return *(i->second);
 286 }
 287
 288 /******************************************************************************/
 289 std::string CItemDefManager::getAlias(const std::string &name) const
 290 {
 291         StringMap::const_iterator it = m_aliases.find(name);
 292         if (it != m_aliases.end())
 293                 return it->second;
 294
 295         return name;
 296 }
 297
 298 /******************************************************************************/
 299 std::set<std::string> CItemDefManager::getAll() const
 300 {
 301         std::set<std::string> result;
 302         for(std::map<std::string, ItemDefinition *>::const_iterator
 303                         it = m_item_definitions.begin();
 304                         it != m_item_definitions.end(); ++it) {
 305
 306                 result.insert(it->first);
 307         }
 308         for (StringMap::const_iterator
 309                         it = m_aliases.begin();
 310                         it != m_aliases.end(); ++it) {
 311
 312                 result.insert(it->first);
 313         }
 314         return result;
 315 }
 316
 317 /******************************************************************************/
 318 bool CItemDefManager::isKnown(const std::string &name_) const
 319 {
 320         // Convert name according to possible alias
 321         std::string name = getAlias(name_);
 322         // Get the definition
 323         std::map<std::string, ItemDefinition*>::const_iterator i;
 324
 325         return m_item_definitions.find(name) != m_item_definitions.end();
 326 }
 327 #ifndef SERVER
 328
 329 /******************************************************************************/
 330 CItemDefManager::ClientCached* CItemDefManager::createClientCachedDirect(const std::string &name,
 331                 IGameDef *gamedef) const
 332 {
 333         infostream<<"Lazily creating item texture and mesh for \""
 334                         <<name<<"\""<<std::endl;
 335
 336         // This is not thread-safe
 337         sanity_check(thr_is_current_thread(m_main_thread));
 338
 339         // Skip if already in cache
 340         ClientCached *cc = NULL;
 341         m_clientcached.get(name, &cc);
 342         if (cc)
 343                 return cc;
 344
 345         ITextureSource *tsrc = gamedef->getTextureSource();
 346         INodeDefManager *nodedef = gamedef->getNodeDefManager();
 347         const ItemDefinition &def = get(name);
 348
 349         // Create new ClientCached
 350         cc = new ClientCached();
 351
 352         // Create an inventory texture
 353         cc->inventory_texture = NULL;
 354         if (!def.inventory_image.empty())
 355                 cc->inventory_texture = tsrc->getTexture(def.inventory_image);
 356
 357         // Additional processing for nodes:
 358         // - Create a wield mesh if WieldMeshSceneNode can't render
 359         //   the node on its own.
 360         // - If inventory_texture isn't set yet, create one using
 361         //   render-to-texture.
 362         if (def.type == ITEM_NODE) {
 363                 createNodeItemTexture(name, def, nodedef, cc, gamedef, tsrc);
 364         }
 365         else if (def.type == ITEM_CRAFT) {
 366                 if ( !def.meshname.empty())
 367                         createMeshItemTexture(name, def, nodedef, cc, gamedef, tsrc);
 368         }
 369
 370         // Put in cache
 371         m_clientcached.set(name, cc);
 372
 373         return cc;
 374 }
 375
 376 /******************************************************************************/
 377 CItemDefManager::ClientCached* CItemDefManager::getClientCached(const std::string &name,
 378                 IGameDef *gamedef) const
 379 {
 380         ClientCached *cc = NULL;
 381         m_clientcached.get(name, &cc);
 382         if (cc)
 383                 return cc;
 384
 385         if (thr_is_current_thread(m_main_thread)) {
 386
 387                 return createClientCachedDirect(name, gamedef);
 388         }
 389         else
 390         {
 391                 // We're gonna ask the result to be put into here
 392                 static ResultQueue<std::string, ClientCached*, u8, u8> result_queue;
 393
 394                 // Throw a request in
 395                 m_get_clientcached_queue.add(name, 0, 0, &result_queue);
 396                 try{
 397                         while (true) {
 398                                 // Wait result for a second
 399                                 GetResult<std::string, ClientCached*, u8, u8>
 400                                         result = result_queue.pop_front(1000);
 401
 402                                 if (result.key == name) {
 403                                         return result.item;
 404                                 }
 405                         }
 406                 }
 407                 catch(ItemNotFoundException &e)
 408                 {
 409                         errorstream<<"Waiting for clientcached " << name << " timed out."<<std::endl;
 410                         return &m_dummy_clientcached;
 411                 }
 412         }
 413 }
 414
 415 /******************************************************************************/
 416 // Get item inventory texture
 417 video::ITexture* CItemDefManager::getInventoryTexture(const std::string &name,
 418                 IGameDef *gamedef) const
 419 {
 420         ClientCached *cc = getClientCached(name, gamedef);
 421         if (!cc)
 422                 return NULL;
 423
 424         return cc->inventory_texture;
 425 }
 426
 427 /******************************************************************************/
 428 // Get item wield mesh
 429 scene::IMesh* CItemDefManager::getWieldMesh(const std::string &name,
 430                 IGameDef *gamedef) const
 431 {
 432         ClientCached *cc = getClientCached(name, gamedef);
 433         if (!cc)
 434                 return NULL;
 435
 436         return cc->wield_mesh;
 437 }
 438 #endif
 439
 440 /******************************************************************************/
 441 void CItemDefManager::clear()
 442 {
 443         for (std::map<std::string, ItemDefinition*>::const_iterator
 444                         i = m_item_definitions.begin();
 445                         i != m_item_definitions.end(); ++i) {
 446
 447                 delete i->second;
 448         }
 449         m_item_definitions.clear();
 450         m_aliases.clear();
 451
 452         // Add the four builtin items:
 453         //   "" is the hand
 454         //   "unknown" is returned whenever an undefined item
 455         //     is accessed (is also the unknown node)
 456         //   "air" is the air node
 457         //   "ignore" is the ignore node
 458
 459         ItemDefinition* hand_def = new ItemDefinition;
 460         hand_def->name = "";
 461         hand_def->wield_image = "wieldhand.png";
 462         hand_def->tool_capabilities = new ToolCapabilities;
 463         m_item_definitions.insert(std::make_pair("", hand_def));
 464
 465         ItemDefinition* unknown_def = new ItemDefinition;
 466         unknown_def->type = ITEM_NODE;
 467         unknown_def->name = "unknown";
 468         m_item_definitions.insert(std::make_pair("unknown", unknown_def));
 469
 470         ItemDefinition* air_def = new ItemDefinition;
 471         air_def->type = ITEM_NODE;
 472         air_def->name = "air";
 473         m_item_definitions.insert(std::make_pair("air", air_def));
 474
 475         ItemDefinition* ignore_def = new ItemDefinition;
 476         ignore_def->type = ITEM_NODE;
 477         ignore_def->name = "ignore";
 478         m_item_definitions.insert(std::make_pair("ignore", ignore_def));
 479 }
 480
 481 /******************************************************************************/
 482 void CItemDefManager::registerItem(const ItemDefinition &def)
 483 {
 484         verbosestream<<"ItemDefManager: registering \""<<def.name<<"\""<<std::endl;
 485         // Ensure that the "" item (the hand) always has ToolCapabilities
 486         if (def.name == "")
 487                 FATAL_ERROR_IF(!def.tool_capabilities, "Hand does not have ToolCapabilities");
 488
 489         if (m_item_definitions.count(def.name) == 0)
 490                 m_item_definitions[def.name] = new ItemDefinition(def);
 491         else
 492                 *(m_item_definitions[def.name]) = def;
 493
 494         // Remove conflicting alias if it exists
 495         bool alias_removed = (m_aliases.erase(def.name) != 0);
 496         if (alias_removed)
 497                 infostream<<"ItemDefManager: erased alias "<<def.name
 498                                 <<" because item was defined"<<std::endl;
 499 }
 500
 501 /******************************************************************************/
 502 void CItemDefManager::registerAlias(const std::string &name,
 503                 const std::string &convert_to)
 504 {
 505         if (m_item_definitions.find(name) == m_item_definitions.end()) {
 506
 507                 verbosestream<<"ItemDefManager: setting alias "<<name
 508                         <<" -> "<<convert_to<<std::endl;
 509                 m_aliases[name] = convert_to;
 510         }
 511 }
 512
 513 /******************************************************************************/
 514 void CItemDefManager::serialize(std::ostream &os, u16 protocol_version)
 515 {
 516         writeU8(os, 0); // version
 517         u16 count = m_item_definitions.size();
 518         writeU16(os, count);
 519
 520         for (std::map<std::string, ItemDefinition *>::const_iterator
 521                         it = m_item_definitions.begin();
 522                         it != m_item_definitions.end(); ++it) {
 523                 ItemDefinition *def = it->second;
 524                 // Serialize ItemDefinition and write wrapped in a string
 525                 std::ostringstream tmp_os(std::ios::binary);
 526                 def->serialize(tmp_os, protocol_version);
 527                 os << serializeString(tmp_os.str());
 528         }
 529
 530         writeU16(os, m_aliases.size());
 531
 532         for (StringMap::const_iterator
 533                         it = m_aliases.begin();
 534                         it != m_aliases.end(); ++it) {
 535                 os << serializeString(it->first);
 536                 os << serializeString(it->second);
 537         }
 538 }
 539
 540 /******************************************************************************/
 541 void CItemDefManager::deSerialize(std::istream &is)
 542 {
 543         // Clear everything
 544         clear();
 545         // Deserialize
 546         int version = readU8(is);
 547         if(version != 0)
 548                 throw SerializationError("unsupported ItemDefManager version");
 549         u16 count = readU16(is);
 550
 551         for (u16 i=0; i<count; i++) {
 552
 553                 // Deserialize a string and grab an ItemDefinition from it
 554                 std::istringstream tmp_is(deSerializeString(is), std::ios::binary);
 555                 ItemDefinition def;
 556                 def.deSerialize(tmp_is);
 557                 // Register
 558                 registerItem(def);
 559         }
 560
 561         u16 num_aliases = readU16(is);
 562         for (u16 i=0; i<num_aliases; i++) {
 563
 564                 std::string name = deSerializeString(is);
 565                 std::string convert_to = deSerializeString(is);
 566                 registerAlias(name, convert_to);
 567         }
 568 }
 569
 570 /******************************************************************************/
 571 void CItemDefManager::processQueue(IGameDef *gamedef)
 572 {
 573 #ifndef SERVER
 574         //NOTE this is only thread safe for ONE consumer thread!
 575         while (!m_get_clientcached_queue.empty()) {
 576
 577                 GetRequest<std::string, ClientCached*, u8, u8>
 578                                 request = m_get_clientcached_queue.pop();
 579
 580                 m_get_clientcached_queue.pushResult(request,
 581                                 createClientCachedDirect(request.key, gamedef));
 582         }
 583 #endif
 584 }
 585
 586 #ifndef SERVER
 587 /******************************************************************************/
 588 void CItemDefManager::createNodeItemTexture(const std::string& name,
 589                 const ItemDefinition& def, INodeDefManager* nodedef,
 590                 ClientCached* cc, IGameDef* gamedef, ITextureSource* tsrc) const
 591 {
 592         // Get node properties
 593         content_t id = nodedef->getId(name);
 594         const ContentFeatures& f = nodedef->get(id);
 595         bool need_rtt_mesh = cc->inventory_texture == NULL;
 596         // Keep this in sync with WieldMeshSceneNode::setItem()
 597         bool need_wield_mesh = !(f.mesh_ptr[0] || f.drawtype == NDT_NORMAL
 598                         || f.drawtype == NDT_ALLFACES || f.drawtype == NDT_AIRLIKE);
 599         scene::IMesh* node_mesh = NULL;
 600
 601         if (need_rtt_mesh || need_wield_mesh) {
 602
 603                 u8 param1 = 0;
 604                 if (f.param_type == CPT_LIGHT)
 605                         param1 = 0xee;
 606
 607                 /*
 608                  Make a mesh from the node
 609                  */
 610                 MeshMakeData mesh_make_data(gamedef, false);
 611                 u8 param2 = 0;
 612                 if (f.param_type_2 == CPT2_WALLMOUNTED)
 613                         param2 = 1;
 614
 615                 MapNode mesh_make_node(id, param1, param2);
 616                 mesh_make_data.fillSingleNode(&mesh_make_node);
 617                 MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
 618                 node_mesh = mapblock_mesh.getMesh();
 619                 node_mesh->grab();
 620                 video::SColor c(255, 255, 255, 255);
 621                 setMeshColor(node_mesh, c);
 622                 // scale and translate the mesh so it's a
 623                 // unit cube centered on the origin
 624                 scaleMesh(node_mesh, v3f(1.0 / BS, 1.0 / BS, 1.0 / BS));
 625                 translateMesh(node_mesh, v3f(-1.0, -1.0, -1.0));
 626         }
 627         /*
 628          Draw node mesh into a render target texture
 629          */
 630         if (need_rtt_mesh) {
 631
 632                 TextureFromMeshParams params;
 633                 params.mesh = node_mesh;
 634                 params.dim.set(64, 64);
 635                 params.rtt_texture_name = "INVENTORY_" + def.name + "_RTT";
 636                 params.delete_texture_on_shutdown = true;
 637                 params.camera_position.set(0, 1.0, -1.5);
 638                 params.camera_position.rotateXZBy(45);
 639                 params.camera_lookat.set(0, 0, 0);
 640                 // Set orthogonal projection
 641                 params.camera_projection_matrix.buildProjectionMatrixOrthoLH(1.65,
 642                                 1.65, 0, 100);
 643                 params.ambient_light.set(1.0, 0.2, 0.2, 0.2);
 644                 params.light_position.set(10, 100, -50);
 645                 params.light_color.set(1.0, 0.5, 0.5, 0.5);
 646                 params.light_radius = 1000;
 647                 cc->inventory_texture = tsrc->generateTextureFromMesh(params);
 648                 // render-to-target didn't work
 649                 if (cc->inventory_texture == NULL) {
 650
 651                         cc->inventory_texture = tsrc->getTexture(f.tiledef[0].name);
 652                 }
 653         }
 654         /*
 655          Use the node mesh as the wield mesh
 656          */
 657         if (need_wield_mesh) {
 658
 659                 cc->wield_mesh = node_mesh;
 660                 cc->wield_mesh->grab();
 661                 // no way reference count can be smaller than 2 in this place!
 662                 assert(cc->wield_mesh->getReferenceCount() >= 2);
 663         }
 664         if (node_mesh)
 665                 node_mesh->drop();
 666 }
 667
 668 /******************************************************************************/
 669 void CItemDefManager::renderMeshToTexture(const ItemDefinition& def, scene::IMesh* mesh,
 670                 ClientCached* cc, ITextureSource* tsrc) const
 671 {
 672         video::ITexture *itemimage = cc->inventory_texture;
 673
 674         /*
 675          Draw node mesh into a render target texture
 676          */
 677         TextureFromMeshParams params;
 678         params.mesh = mesh;
 679         params.dim.set(64, 64);
 680         params.rtt_texture_name = "INVENTORY_" + def.name + "_RTT";
 681         params.delete_texture_on_shutdown = true;
 682         params.camera_position.set(0, 1.0, -1.5);
 683         params.camera_position.rotateXZBy(45);
 684         params.camera_lookat.set(0, 0, 0);
 685         // Set orthogonal projection
 686         params.camera_projection_matrix.buildProjectionMatrixOrthoLH(1.65, 1.65, 0,
 687                         100);
 688         params.ambient_light.set(1.0, 0.9, 0.9, 0.9);
 689         params.light_position.set(10, 100, -50);
 690         params.light_color.set(1.0, 0.5, 0.5, 0.5);
 691         params.light_radius = 1000;
 692         cc->inventory_texture = tsrc->generateTextureFromMesh(params);
 693
 694         // render-to-target didn't work
 695         if (cc->inventory_texture == NULL) {
 696
 697                 cc->inventory_texture = itemimage;
 698         }
 699 }
 700
 701 /******************************************************************************/
 702 void CItemDefManager::createMeshItemTexture(const std::string& name,
 703                 const ItemDefinition& def, INodeDefManager* nodedef,
 704                 ClientCached* cc, IGameDef* gamedef, ITextureSource* tsrc) const
 705 {
 706         // Get node properties
 707         content_t id = nodedef->getId(name);
 708         const ContentFeatures& f = nodedef->get(id);
 709
 710         if (def.meshname == "")
 711                 return;
 712
 713         video::ITexture *texture = tsrc->getTexture(def.meshtexture);
 714
 715         infostream<<"CItemDefManager::createMeshItemTexture(): mesh"<<std::endl;
 716
 717         scene::IAnimatedMesh *mesh = gamedef->getMesh(def.meshname);
 718         if(mesh)
 719         {
 720
 721                 video::SColor c(255, 255, 255, 255);
 722                 setMeshColor(mesh, c);
 723
 724                 rotateMeshXZby(mesh, 180);
 725
 726                 // scale and translate the mesh so it's a
 727                 // unit cube centered on the origin
 728                 scaleMesh(mesh, v3f(1.0 / BS, 1.0 / BS, 1.0 / BS));
 729
 730                 // Customize materials
 731                 for (u32 i = 0; i < mesh->getMeshBufferCount(); ++i) {
 732
 733                         video::SMaterial &material = mesh->getMeshBuffer(i)->getMaterial();
 734                         material.setTexture(0, texture);
 735                         material.setFlag(video::EMF_BACK_FACE_CULLING, true);
 736                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
 737                         material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 738                 }
 739
 740                 /*
 741                  Draw node mesh into a render target texture
 742                  */
 743                 renderMeshToTexture(def, mesh, cc, tsrc);
 744
 745                 /*
 746                  Use the ingot mesh as the wield mesh
 747                  */
 748
 749                 cc->wield_mesh = mesh;
 750                 cc->wield_mesh->grab();
 751                 // no way reference count can be smaller than 2 in this place!
 752                 assert(cc->wield_mesh->getReferenceCount() >= 2);
 753
 754                 if (mesh)
 755                         mesh->drop();
 756
 757         }
 758         else
 759                 errorstream<<"CItemDefManager::createMeshItemTexture(): Could not load mesh "<<def.meshname<<std::endl;
 760 }
 761 #endif
 762
 763 /******************************************************************************/
 764
 765 IWritableItemDefManager* createItemDefManager()
 766 {
 767         return new CItemDefManager();
 768 }