src/nodedef.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "nodedef.h"
  21
  22 #include "main.h" // For g_settings
  23 #include "itemdef.h"
  24 #ifndef SERVER
  25 #include "tile.h"
  26 #endif
  27 #include "log.h"
  28 #include "settings.h"
  29 #include "nameidmapping.h"
  30 #include "util/serialize.h"
  31 //#include "profiler.h" // For TimeTaker
  32
  33 /*
  34         NodeBox
  35 */
  36
  37 void NodeBox::reset()
  38 {
  39         type = NODEBOX_REGULAR;
  40         // default is empty
  41         fixed.clear();
  42         // default is sign/ladder-like
  43         wall_top = aabb3f(-BS/2, BS/2-BS/16., -BS/2, BS/2, BS/2, BS/2);
  44         wall_bottom = aabb3f(-BS/2, -BS/2, -BS/2, BS/2, -BS/2+BS/16., BS/2);
  45         wall_side = aabb3f(-BS/2, -BS/2, -BS/2, -BS/2+BS/16., BS/2, BS/2);
  46 }
  47
  48 void NodeBox::serialize(std::ostream &os) const
  49 {
  50         writeU8(os, 1); // version
  51         writeU8(os, type);
  52
  53         if(type == NODEBOX_FIXED || type == NODEBOX_LEVELED)
  54         {
  55                 writeU16(os, fixed.size());
  56                 for(std::vector<aabb3f>::const_iterator
  57                                 i = fixed.begin();
  58                                 i != fixed.end(); i++)
  59                 {
  60                         writeV3F1000(os, i->MinEdge);
  61                         writeV3F1000(os, i->MaxEdge);
  62                 }
  63         }
  64         else if(type == NODEBOX_WALLMOUNTED)
  65         {
  66                 writeV3F1000(os, wall_top.MinEdge);
  67                 writeV3F1000(os, wall_top.MaxEdge);
  68                 writeV3F1000(os, wall_bottom.MinEdge);
  69                 writeV3F1000(os, wall_bottom.MaxEdge);
  70                 writeV3F1000(os, wall_side.MinEdge);
  71                 writeV3F1000(os, wall_side.MaxEdge);
  72         }
  73 }
  74
  75 void NodeBox::deSerialize(std::istream &is)
  76 {
  77         int version = readU8(is);
  78         if(version != 1)
  79                 throw SerializationError("unsupported NodeBox version");
  80
  81         reset();
  82
  83         type = (enum NodeBoxType)readU8(is);
  84
  85         if(type == NODEBOX_FIXED || type == NODEBOX_LEVELED)
  86         {
  87                 u16 fixed_count = readU16(is);
  88                 while(fixed_count--)
  89                 {
  90                         aabb3f box;
  91                         box.MinEdge = readV3F1000(is);
  92                         box.MaxEdge = readV3F1000(is);
  93                         fixed.push_back(box);
  94                 }
  95         }
  96         else if(type == NODEBOX_WALLMOUNTED)
  97         {
  98                 wall_top.MinEdge = readV3F1000(is);
  99                 wall_top.MaxEdge = readV3F1000(is);
 100                 wall_bottom.MinEdge = readV3F1000(is);
 101                 wall_bottom.MaxEdge = readV3F1000(is);
 102                 wall_side.MinEdge = readV3F1000(is);
 103                 wall_side.MaxEdge = readV3F1000(is);
 104         }
 105 }
 106
 107 /*
 108         TileDef
 109 */
 110
 111 void TileDef::serialize(std::ostream &os, u16 protocol_version) const
 112 {
 113         if(protocol_version >= 17)
 114                 writeU8(os, 1);
 115         else
 116                 writeU8(os, 0);
 117         os<<serializeString(name);
 118         writeU8(os, animation.type);
 119         writeU16(os, animation.aspect_w);
 120         writeU16(os, animation.aspect_h);
 121         writeF1000(os, animation.length);
 122         if(protocol_version >= 17)
 123                 writeU8(os, backface_culling);
 124 }
 125
 126 void TileDef::deSerialize(std::istream &is)
 127 {
 128         int version = readU8(is);
 129         name = deSerializeString(is);
 130         animation.type = (TileAnimationType)readU8(is);
 131         animation.aspect_w = readU16(is);
 132         animation.aspect_h = readU16(is);
 133         animation.length = readF1000(is);
 134         if(version >= 1)
 135                 backface_culling = readU8(is);
 136 }
 137
 138 /*
 139         SimpleSoundSpec serialization
 140 */
 141
 142 static void serializeSimpleSoundSpec(const SimpleSoundSpec &ss,
 143                 std::ostream &os)
 144 {
 145         os<<serializeString(ss.name);
 146         writeF1000(os, ss.gain);
 147 }
 148 static void deSerializeSimpleSoundSpec(SimpleSoundSpec &ss, std::istream &is)
 149 {
 150         ss.name = deSerializeString(is);
 151         ss.gain = readF1000(is);
 152 }
 153
 154 /*
 155         ContentFeatures
 156 */
 157
 158 ContentFeatures::ContentFeatures()
 159 {
 160         reset();
 161 }
 162
 163 ContentFeatures::~ContentFeatures()
 164 {
 165 }
 166
 167 void ContentFeatures::reset()
 168 {
 169         /*
 170                 Cached stuff
 171         */
 172 #ifndef SERVER
 173         solidness = 2;
 174         visual_solidness = 0;
 175         backface_culling = true;
 176 #endif
 177         has_on_construct = false;
 178         has_on_destruct = false;
 179         has_after_destruct = false;
 180         /*
 181                 Actual data
 182
 183                 NOTE: Most of this is always overridden by the default values given
 184                       in builtin.lua
 185         */
 186         name = "";
 187         groups.clear();
 188         // Unknown nodes can be dug
 189         groups["dig_immediate"] = 2;
 190         drawtype = NDT_NORMAL;
 191         visual_scale = 1.0;
 192         for(u32 i=0; i<6; i++)
 193                 tiledef[i] = TileDef();
 194         for(u16 j=0; j<CF_SPECIAL_COUNT; j++)
 195                 tiledef_special[j] = TileDef();
 196         alpha = 255;
 197         post_effect_color = video::SColor(0, 0, 0, 0);
 198         param_type = CPT_NONE;
 199         param_type_2 = CPT2_NONE;
 200         is_ground_content = false;
 201         light_propagates = false;
 202         sunlight_propagates = false;
 203         walkable = true;
 204         pointable = true;
 205         diggable = true;
 206         climbable = false;
 207         buildable_to = false;
 208         rightclickable = true;
 209         leveled = 0;
 210         liquid_type = LIQUID_NONE;
 211         liquid_alternative_flowing = "";
 212         liquid_alternative_source = "";
 213         liquid_viscosity = 0;
 214         liquid_renewable = true;
 215         drowning = true;
 216         light_source = 0;
 217         damage_per_second = 0;
 218         node_box = NodeBox();
 219         selection_box = NodeBox();
 220         legacy_facedir_simple = false;
 221         legacy_wallmounted = false;
 222         sound_footstep = SimpleSoundSpec();
 223         sound_dig = SimpleSoundSpec("__group");
 224         sound_dug = SimpleSoundSpec();
 225 }
 226
 227 void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
 228 {
 229         if(protocol_version < 14){
 230                 serializeOld(os, protocol_version);
 231                 return;
 232         }
 233
 234         writeU8(os, 6); // version
 235         os<<serializeString(name);
 236         writeU16(os, groups.size());
 237         for(ItemGroupList::const_iterator
 238                         i = groups.begin(); i != groups.end(); i++){
 239                 os<<serializeString(i->first);
 240                 writeS16(os, i->second);
 241         }
 242         writeU8(os, drawtype);
 243         writeF1000(os, visual_scale);
 244         writeU8(os, 6);
 245         for(u32 i=0; i<6; i++)
 246                 tiledef[i].serialize(os, protocol_version);
 247         writeU8(os, CF_SPECIAL_COUNT);
 248         for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
 249                 tiledef_special[i].serialize(os, protocol_version);
 250         }
 251         writeU8(os, alpha);
 252         writeU8(os, post_effect_color.getAlpha());
 253         writeU8(os, post_effect_color.getRed());
 254         writeU8(os, post_effect_color.getGreen());
 255         writeU8(os, post_effect_color.getBlue());
 256         writeU8(os, param_type);
 257         writeU8(os, param_type_2);
 258         writeU8(os, is_ground_content);
 259         writeU8(os, light_propagates);
 260         writeU8(os, sunlight_propagates);
 261         writeU8(os, walkable);
 262         writeU8(os, pointable);
 263         writeU8(os, diggable);
 264         writeU8(os, climbable);
 265         writeU8(os, buildable_to);
 266         os<<serializeString(""); // legacy: used to be metadata_name
 267         writeU8(os, liquid_type);
 268         os<<serializeString(liquid_alternative_flowing);
 269         os<<serializeString(liquid_alternative_source);
 270         writeU8(os, liquid_viscosity);
 271         writeU8(os, liquid_renewable);
 272         writeU8(os, light_source);
 273         writeU32(os, damage_per_second);
 274         node_box.serialize(os);
 275         selection_box.serialize(os);
 276         writeU8(os, legacy_facedir_simple);
 277         writeU8(os, legacy_wallmounted);
 278         serializeSimpleSoundSpec(sound_footstep, os);
 279         serializeSimpleSoundSpec(sound_dig, os);
 280         serializeSimpleSoundSpec(sound_dug, os);
 281         writeU8(os, rightclickable);
 282         // Stuff below should be moved to correct place in a version that otherwise changes
 283         // the protocol version
 284         writeU8(os, drowning);
 285         writeU8(os, leveled);
 286 }
 287
 288 void ContentFeatures::deSerialize(std::istream &is)
 289 {
 290         int version = readU8(is);
 291         if(version != 6){
 292                 deSerializeOld(is, version);
 293                 return;
 294         }
 295
 296         name = deSerializeString(is);
 297         groups.clear();
 298         u32 groups_size = readU16(is);
 299         for(u32 i=0; i<groups_size; i++){
 300                 std::string name = deSerializeString(is);
 301                 int value = readS16(is);
 302                 groups[name] = value;
 303         }
 304         drawtype = (enum NodeDrawType)readU8(is);
 305         visual_scale = readF1000(is);
 306         if(readU8(is) != 6)
 307                 throw SerializationError("unsupported tile count");
 308         for(u32 i=0; i<6; i++)
 309                 tiledef[i].deSerialize(is);
 310         if(readU8(is) != CF_SPECIAL_COUNT)
 311                 throw SerializationError("unsupported CF_SPECIAL_COUNT");
 312         for(u32 i=0; i<CF_SPECIAL_COUNT; i++)
 313                 tiledef_special[i].deSerialize(is);
 314         alpha = readU8(is);
 315         post_effect_color.setAlpha(readU8(is));
 316         post_effect_color.setRed(readU8(is));
 317         post_effect_color.setGreen(readU8(is));
 318         post_effect_color.setBlue(readU8(is));
 319         param_type = (enum ContentParamType)readU8(is);
 320         param_type_2 = (enum ContentParamType2)readU8(is);
 321         is_ground_content = readU8(is);
 322         light_propagates = readU8(is);
 323         sunlight_propagates = readU8(is);
 324         walkable = readU8(is);
 325         pointable = readU8(is);
 326         diggable = readU8(is);
 327         climbable = readU8(is);
 328         buildable_to = readU8(is);
 329         deSerializeString(is); // legacy: used to be metadata_name
 330         liquid_type = (enum LiquidType)readU8(is);
 331         liquid_alternative_flowing = deSerializeString(is);
 332         liquid_alternative_source = deSerializeString(is);
 333         liquid_viscosity = readU8(is);
 334         liquid_renewable = readU8(is);
 335         light_source = readU8(is);
 336         damage_per_second = readU32(is);
 337         node_box.deSerialize(is);
 338         selection_box.deSerialize(is);
 339         legacy_facedir_simple = readU8(is);
 340         legacy_wallmounted = readU8(is);
 341         deSerializeSimpleSoundSpec(sound_footstep, is);
 342         deSerializeSimpleSoundSpec(sound_dig, is);
 343         deSerializeSimpleSoundSpec(sound_dug, is);
 344         rightclickable = readU8(is);
 345         // If you add anything here, insert it primarily inside the try-catch
 346         // block to not need to increase the version.
 347         try{
 348                 // Stuff below should be moved to correct place in a version that
 349                 // otherwise changes the protocol version
 350                 drowning = readU8(is);
 351                 leveled = readU8(is);
 352         }catch(SerializationError &e) {};
 353 }
 354
 355 /*
 356         CNodeDefManager
 357 */
 358
 359 class CNodeDefManager: public IWritableNodeDefManager
 360 {
 361 public:
 362         void clear()
 363         {
 364                 m_name_id_mapping.clear();
 365                 m_name_id_mapping_with_aliases.clear();
 366
 367                 for(u16 i=0; i<=MAX_CONTENT; i++)
 368                 {
 369                         ContentFeatures &f = m_content_features[i];
 370                         f.reset(); // Reset to defaults
 371                 }
 372
 373                 // Set CONTENT_AIR
 374                 {
 375                         ContentFeatures f;
 376                         f.name = "air";
 377                         f.drawtype = NDT_AIRLIKE;
 378                         f.param_type = CPT_LIGHT;
 379                         f.light_propagates = true;
 380                         f.sunlight_propagates = true;
 381                         f.walkable = false;
 382                         f.pointable = false;
 383                         f.diggable = false;
 384                         f.buildable_to = true;
 385                         // Insert directly into containers
 386                         content_t c = CONTENT_AIR;
 387                         m_content_features[c] = f;
 388                         addNameIdMapping(c, f.name);
 389                 }
 390                 // Set CONTENT_IGNORE
 391                 {
 392                         ContentFeatures f;
 393                         f.name = "ignore";
 394                         f.drawtype = NDT_AIRLIKE;
 395                         f.param_type = CPT_NONE;
 396                         f.light_propagates = false;
 397                         f.sunlight_propagates = false;
 398                         f.walkable = false;
 399                         f.pointable = false;
 400                         f.diggable = false;
 401                         // A way to remove accidental CONTENT_IGNOREs
 402                         f.buildable_to = true;
 403                         // Insert directly into containers
 404                         content_t c = CONTENT_IGNORE;
 405                         m_content_features[c] = f;
 406                         addNameIdMapping(c, f.name);
 407                 }
 408         }
 409         // CONTENT_IGNORE = not found
 410         content_t getFreeId()
 411         {
 412                 for(u32 i=0; i<=0xffff; i++){
 413                         const ContentFeatures &f = m_content_features[i];
 414                         if(f.name == "")
 415                                 return i;
 416                 }
 417                 return CONTENT_IGNORE;
 418         }
 419         CNodeDefManager()
 420         {
 421                 clear();
 422         }
 423         virtual ~CNodeDefManager()
 424         {
 425         }
 426         virtual IWritableNodeDefManager* clone()
 427         {
 428                 CNodeDefManager *mgr = new CNodeDefManager();
 429                 for(u16 i=0; i<=MAX_CONTENT; i++)
 430                 {
 431                         mgr->set(i, get(i));
 432                 }
 433                 return mgr;
 434         }
 435         virtual const ContentFeatures& get(content_t c) const
 436         {
 437                 assert(c <= MAX_CONTENT);
 438                 return m_content_features[c];
 439         }
 440         virtual const ContentFeatures& get(const MapNode &n) const
 441         {
 442                 return get(n.getContent());
 443         }
 444         virtual bool getId(const std::string &name, content_t &result) const
 445         {
 446                 std::map<std::string, content_t>::const_iterator
 447                         i = m_name_id_mapping_with_aliases.find(name);
 448                 if(i == m_name_id_mapping_with_aliases.end())
 449                         return false;
 450                 result = i->second;
 451                 return true;
 452         }
 453         virtual content_t getId(const std::string &name) const
 454         {
 455                 content_t id = CONTENT_IGNORE;
 456                 getId(name, id);
 457                 return id;
 458         }
 459         virtual void getIds(const std::string &name, std::set<content_t> &result)
 460                         const
 461         {
 462                 //TimeTaker t("getIds", NULL, PRECISION_MICRO);
 463                 if(name.substr(0,6) != "group:"){
 464                         content_t id = CONTENT_IGNORE;
 465                         if(getId(name, id))
 466                                 result.insert(id);
 467                         return;
 468                 }
 469                 std::string group = name.substr(6);
 470
 471 #if 1   // Optimized version, takes less than 1 microsecond at -O1
 472                 std::map<std::string, GroupItems>::const_iterator
 473                         i = m_group_to_items.find(group);
 474                 if (i == m_group_to_items.end())
 475                         return;
 476
 477                 const GroupItems &items = i->second;
 478                 for (GroupItems::const_iterator j = items.begin();
 479                         j != items.end(); ++j) {
 480                         if ((*j).second != 0)
 481                                 result.insert((*j).first);
 482                 }
 483 #else   // Old version, takes about ~150-200us at -O1
 484                 for(u16 id=0; id<=MAX_CONTENT; id++)
 485                 {
 486                         const ContentFeatures &f = m_content_features[id];
 487                         if(f.name == "") // Quickly discard undefined nodes
 488                                 continue;
 489                         if(itemgroup_get(f.groups, group) != 0)
 490                                 result.insert(id);
 491                 }
 492 #endif
 493                 //printf("getIds: %dus\n", t.stop());
 494         }
 495         virtual const ContentFeatures& get(const std::string &name) const
 496         {
 497                 content_t id = CONTENT_IGNORE;
 498                 getId(name, id);
 499                 return get(id);
 500         }
 501         // IWritableNodeDefManager
 502         virtual void set(content_t c, const ContentFeatures &def)
 503         {
 504                 verbosestream<<"registerNode: registering content id \""<<c
 505                                 <<"\": name=\""<<def.name<<"\""<<std::endl;
 506                 assert(c <= MAX_CONTENT);
 507                 // Don't allow redefining CONTENT_IGNORE (but allow air)
 508                 if(def.name == "ignore" || c == CONTENT_IGNORE){
 509                         infostream<<"registerNode: WARNING: Ignoring "
 510                                         <<"CONTENT_IGNORE redefinition"<<std::endl;
 511                         return;
 512                 }
 513                 // Check that the special contents are not redefined as different id
 514                 // because it would mess up everything
 515                 if((def.name == "ignore" && c != CONTENT_IGNORE) ||
 516                         (def.name == "air" && c != CONTENT_AIR)){
 517                         errorstream<<"registerNode: IGNORING ERROR: "
 518                                         <<"trying to register built-in type \""
 519                                         <<def.name<<"\" as different id"<<std::endl;
 520                         return;
 521                 }
 522                 m_content_features[c] = def;
 523                 if(def.name != "")
 524                         addNameIdMapping(c, def.name);
 525
 526                 // Add this content to the list of all groups it belongs to
 527                 for (ItemGroupList::const_iterator i = def.groups.begin();
 528                         i != def.groups.end(); ++i) {
 529                         std::string group_name = i->first;
 530
 531                         std::map<std::string, GroupItems>::iterator
 532                                 j = m_group_to_items.find(group_name);
 533                         if (j == m_group_to_items.end()) {
 534                                 m_group_to_items[group_name].push_back(std::make_pair(c, i->second));
 535                         } else {
 536                                 GroupItems &items = j->second;
 537                                 items.push_back(std::make_pair(c, i->second));
 538                         }
 539                 }
 540         }
 541         virtual content_t set(const std::string &name,
 542                         const ContentFeatures &def)
 543         {
 544                 assert(name == def.name);
 545                 u16 id = CONTENT_IGNORE;
 546                 bool found = m_name_id_mapping.getId(name, id);  // ignore aliases
 547                 if(!found){
 548                         // Get some id
 549                         id = getFreeId();
 550                         if(id == CONTENT_IGNORE)
 551                                 return CONTENT_IGNORE;
 552                         if(name != "")
 553                                 addNameIdMapping(id, name);
 554                 }
 555                 set(id, def);
 556                 return id;
 557         }
 558         virtual content_t allocateDummy(const std::string &name)
 559         {
 560                 assert(name != "");
 561                 ContentFeatures f;
 562                 f.name = name;
 563                 return set(name, f);
 564         }
 565         virtual void updateAliases(IItemDefManager *idef)
 566         {
 567                 std::set<std::string> all = idef->getAll();
 568                 m_name_id_mapping_with_aliases.clear();
 569                 for(std::set<std::string>::iterator
 570                                 i = all.begin(); i != all.end(); i++)
 571                 {
 572                         std::string name = *i;
 573                         std::string convert_to = idef->getAlias(name);
 574                         content_t id;
 575                         if(m_name_id_mapping.getId(convert_to, id))
 576                         {
 577                                 m_name_id_mapping_with_aliases.insert(
 578                                                 std::make_pair(name, id));
 579                         }
 580                 }
 581         }
 582         virtual void updateTextures(ITextureSource *tsrc)
 583         {
 584 #ifndef SERVER
 585                 infostream<<"CNodeDefManager::updateTextures(): Updating "
 586                                 <<"textures in node definitions"<<std::endl;
 587
 588                 bool new_style_water = g_settings->getBool("new_style_water");
 589                 bool new_style_leaves = g_settings->getBool("new_style_leaves");
 590                 bool opaque_water = g_settings->getBool("opaque_water");
 591
 592                 for(u16 i=0; i<=MAX_CONTENT; i++)
 593                 {
 594                         ContentFeatures *f = &m_content_features[i];
 595
 596                         // Figure out the actual tiles to use
 597                         TileDef tiledef[6];
 598                         for(u32 j=0; j<6; j++)
 599                         {
 600                                 tiledef[j] = f->tiledef[j];
 601                                 if(tiledef[j].name == "")
 602                                         tiledef[j].name = "unknown_node.png";
 603                         }
 604
 605                         bool is_liquid = false;
 606                         switch(f->drawtype){
 607                         default:
 608                         case NDT_NORMAL:
 609                                 f->solidness = 2;
 610                                 break;
 611                         case NDT_AIRLIKE:
 612                                 f->solidness = 0;
 613                                 break;
 614                         case NDT_LIQUID:
 615                                 assert(f->liquid_type == LIQUID_SOURCE);
 616                                 if(opaque_water)
 617                                         f->alpha = 255;
 618                                 if(new_style_water){
 619                                         f->solidness = 0;
 620                                 } else {
 621                                         f->solidness = 1;
 622                                         f->backface_culling = false;
 623                                 }
 624                                 is_liquid = true;
 625                                 break;
 626                         case NDT_FLOWINGLIQUID:
 627                                 assert(f->liquid_type == LIQUID_FLOWING);
 628                                 f->solidness = 0;
 629                                 if(opaque_water)
 630                                         f->alpha = 255;
 631                                 is_liquid = true;
 632                                 break;
 633                         case NDT_GLASSLIKE:
 634                                 f->solidness = 0;
 635                                 f->visual_solidness = 1;
 636                                 break;
 637                         case NDT_GLASSLIKE_FRAMED:
 638                                 f->solidness = 0;
 639                                 f->visual_solidness = 1;
 640                                 break;
 641                         case NDT_ALLFACES:
 642                                 f->solidness = 0;
 643                                 f->visual_solidness = 1;
 644                                 break;
 645                         case NDT_ALLFACES_OPTIONAL:
 646                                 if(new_style_leaves){
 647                                         f->drawtype = NDT_ALLFACES;
 648                                         f->solidness = 0;
 649                                         f->visual_solidness = 1;
 650                                 } else {
 651                                         f->drawtype = NDT_NORMAL;
 652                                         f->solidness = 2;
 653                                         for(u32 i=0; i<6; i++){
 654                                                 tiledef[i].name += std::string("^[noalpha");
 655                                         }
 656                                 }
 657                                 break;
 658                         case NDT_PLANTLIKE:
 659                                 f->solidness = 0;
 660                                 f->backface_culling = false;
 661                                 break;
 662                         case NDT_TORCHLIKE:
 663                         case NDT_SIGNLIKE:
 664                         case NDT_FENCELIKE:
 665                         case NDT_RAILLIKE:
 666                         case NDT_NODEBOX:
 667                                 f->solidness = 0;
 668                                 break;
 669                         }
 670
 671                         u8 material_type;
 672                         if (is_liquid)
 673                                 material_type = (f->alpha == 255) ? TILE_MATERIAL_LIQUID_OPAQUE : TILE_MATERIAL_LIQUID_TRANSPARENT;
 674                         else
 675                                 material_type = (f->alpha == 255) ? TILE_MATERIAL_BASIC : TILE_MATERIAL_ALPHA;
 676
 677                         // Tiles (fill in f->tiles[])
 678                         for(u16 j=0; j<6; j++){
 679                                 // Texture
 680                                 f->tiles[j].texture = tsrc->getTexture(
 681                                                 tiledef[j].name,
 682                                                 &f->tiles[j].texture_id);
 683                                 // Alpha
 684                                 f->tiles[j].alpha = f->alpha;
 685                                 // Material type
 686                                 f->tiles[j].material_type = material_type;
 687                                 // Material flags
 688                                 f->tiles[j].material_flags = 0;
 689                                 if(f->backface_culling)
 690                                         f->tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
 691                                 if(tiledef[j].animation.type == TAT_VERTICAL_FRAMES)
 692                                         f->tiles[j].material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
 693                                 // Animation parameters
 694                                 if(f->tiles[j].material_flags &
 695                                                 MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
 696                                 {
 697                                         // Get texture size to determine frame count by
 698                                         // aspect ratio
 699                                         v2u32 size = f->tiles[j].texture->getOriginalSize();
 700                                         int frame_height = (float)size.X /
 701                                                         (float)tiledef[j].animation.aspect_w *
 702                                                         (float)tiledef[j].animation.aspect_h;
 703                                         int frame_count = size.Y / frame_height;
 704                                         int frame_length_ms = 1000.0 *
 705                                                         tiledef[j].animation.length / frame_count;
 706                                         f->tiles[j].animation_frame_count = frame_count;
 707                                         f->tiles[j].animation_frame_length_ms = frame_length_ms;
 708
 709                                         // If there are no frames for an animation, switch
 710                                         // animation off (so that having specified an animation
 711                                         // for something but not using it in the texture pack
 712                                         // gives no overhead)
 713                                         if(frame_count == 1){
 714                                                 f->tiles[j].material_flags &=
 715                                                                 ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
 716                                         }
 717                                 }
 718                         }
 719                         // Special tiles (fill in f->special_tiles[])
 720                         for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
 721                                 // Texture
 722                                 f->special_tiles[j].texture = tsrc->getTexture(
 723                                                 f->tiledef_special[j].name,
 724                                                 &f->special_tiles[j].texture_id);
 725                                 // Alpha
 726                                 f->special_tiles[j].alpha = f->alpha;
 727                                 // Material type
 728                                 f->special_tiles[j].material_type = material_type;
 729                                 // Material flags
 730                                 f->special_tiles[j].material_flags = 0;
 731                                 if(f->tiledef_special[j].backface_culling)
 732                                         f->special_tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
 733                                 if(f->tiledef_special[j].animation.type == TAT_VERTICAL_FRAMES)
 734                                         f->special_tiles[j].material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
 735                                 // Animation parameters
 736                                 if(f->special_tiles[j].material_flags &
 737                                                 MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
 738                                 {
 739                                         // Get texture size to determine frame count by
 740                                         // aspect ratio
 741                                         v2u32 size = f->special_tiles[j].texture->getOriginalSize();
 742                                         int frame_height = (float)size.X /
 743                                                         (float)f->tiledef_special[j].animation.aspect_w *
 744                                                         (float)f->tiledef_special[j].animation.aspect_h;
 745                                         int frame_count = size.Y / frame_height;
 746                                         int frame_length_ms = 1000.0 *
 747                                                         f->tiledef_special[j].animation.length / frame_count;
 748                                         f->special_tiles[j].animation_frame_count = frame_count;
 749                                         f->special_tiles[j].animation_frame_length_ms = frame_length_ms;
 750
 751                                         // If there are no frames for an animation, switch
 752                                         // animation off (so that having specified an animation
 753                                         // for something but not using it in the texture pack
 754                                         // gives no overhead)
 755                                         if(frame_count == 1){
 756                                                 f->special_tiles[j].material_flags &=
 757                                                                 ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
 758                                         }
 759                                 }
 760                         }
 761                 }
 762 #endif
 763         }
 764         void serialize(std::ostream &os, u16 protocol_version)
 765         {
 766                 writeU8(os, 1); // version
 767                 u16 count = 0;
 768                 std::ostringstream os2(std::ios::binary);
 769                 for(u16 i=0; i<=MAX_CONTENT; i++)
 770                 {
 771                         if(i == CONTENT_IGNORE || i == CONTENT_AIR)
 772                                 continue;
 773                         ContentFeatures *f = &m_content_features[i];
 774                         if(f->name == "")
 775                                 continue;
 776                         writeU16(os2, i);
 777                         // Wrap it in a string to allow different lengths without
 778                         // strict version incompatibilities
 779                         std::ostringstream wrapper_os(std::ios::binary);
 780                         f->serialize(wrapper_os, protocol_version);
 781                         os2<<serializeString(wrapper_os.str());
 782                         count++;
 783                 }
 784                 writeU16(os, count);
 785                 os<<serializeLongString(os2.str());
 786         }
 787         void deSerialize(std::istream &is)
 788         {
 789                 clear();
 790                 int version = readU8(is);
 791                 if(version != 1)
 792                         throw SerializationError("unsupported NodeDefinitionManager version");
 793                 u16 count = readU16(is);
 794                 std::istringstream is2(deSerializeLongString(is), std::ios::binary);
 795                 for(u16 n=0; n<count; n++){
 796                         u16 i = readU16(is2);
 797                         if(i > MAX_CONTENT){
 798                                 errorstream<<"ContentFeatures::deSerialize(): "
 799                                                 <<"Too large content id: "<<i<<std::endl;
 800                                 continue;
 801                         }
 802                         /*// Do not deserialize special types
 803                         if(i == CONTENT_IGNORE || i == CONTENT_AIR)
 804                                 continue;*/
 805                         ContentFeatures *f = &m_content_features[i];
 806                         // Read it from the string wrapper
 807                         std::string wrapper = deSerializeString(is2);
 808                         std::istringstream wrapper_is(wrapper, std::ios::binary);
 809                         f->deSerialize(wrapper_is);
 810                         verbosestream<<"deserialized "<<f->name<<std::endl;
 811                         if(f->name != "")
 812                                 addNameIdMapping(i, f->name);
 813                 }
 814         }
 815 private:
 816         void addNameIdMapping(content_t i, std::string name)
 817         {
 818                 m_name_id_mapping.set(i, name);
 819                 m_name_id_mapping_with_aliases.insert(std::make_pair(name, i));
 820         }
 821 private:
 822         // Features indexed by id
 823         ContentFeatures m_content_features[MAX_CONTENT+1];
 824         // A mapping for fast converting back and forth between names and ids
 825         NameIdMapping m_name_id_mapping;
 826         // Like m_name_id_mapping, but only from names to ids, and includes
 827         // item aliases too. Updated by updateAliases()
 828         // Note: Not serialized.
 829         std::map<std::string, content_t> m_name_id_mapping_with_aliases;
 830         // A mapping from groups to a list of content_ts (and their levels)
 831         // that belong to it.  Necessary for a direct lookup in getIds().
 832         // Note: Not serialized.
 833         std::map<std::string, GroupItems> m_group_to_items;
 834 };
 835
 836 IWritableNodeDefManager* createNodeDefManager()
 837 {
 838         return new CNodeDefManager();
 839 }
 840
 841 /*
 842         Serialization of old ContentFeatures formats
 843 */
 844
 845 void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
 846 {
 847         if(protocol_version == 13)
 848         {
 849                 writeU8(os, 5); // version
 850                 os<<serializeString(name);
 851                 writeU16(os, groups.size());
 852                 for(ItemGroupList::const_iterator
 853                                 i = groups.begin(); i != groups.end(); i++){
 854                         os<<serializeString(i->first);
 855                         writeS16(os, i->second);
 856                 }
 857                 writeU8(os, drawtype);
 858                 writeF1000(os, visual_scale);
 859                 writeU8(os, 6);
 860                 for(u32 i=0; i<6; i++)
 861                         tiledef[i].serialize(os, protocol_version);
 862                 writeU8(os, CF_SPECIAL_COUNT);
 863                 for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
 864                         tiledef_special[i].serialize(os, protocol_version);
 865                 }
 866                 writeU8(os, alpha);
 867                 writeU8(os, post_effect_color.getAlpha());
 868                 writeU8(os, post_effect_color.getRed());
 869                 writeU8(os, post_effect_color.getGreen());
 870                 writeU8(os, post_effect_color.getBlue());
 871                 writeU8(os, param_type);
 872                 writeU8(os, param_type_2);
 873                 writeU8(os, is_ground_content);
 874                 writeU8(os, light_propagates);
 875                 writeU8(os, sunlight_propagates);
 876                 writeU8(os, walkable);
 877                 writeU8(os, pointable);
 878                 writeU8(os, diggable);
 879                 writeU8(os, climbable);
 880                 writeU8(os, buildable_to);
 881                 os<<serializeString(""); // legacy: used to be metadata_name
 882                 writeU8(os, liquid_type);
 883                 os<<serializeString(liquid_alternative_flowing);
 884                 os<<serializeString(liquid_alternative_source);
 885                 writeU8(os, liquid_viscosity);
 886                 writeU8(os, light_source);
 887                 writeU32(os, damage_per_second);
 888                 node_box.serialize(os);
 889                 selection_box.serialize(os);
 890                 writeU8(os, legacy_facedir_simple);
 891                 writeU8(os, legacy_wallmounted);
 892                 serializeSimpleSoundSpec(sound_footstep, os);
 893                 serializeSimpleSoundSpec(sound_dig, os);
 894                 serializeSimpleSoundSpec(sound_dug, os);
 895         }
 896         else
 897         {
 898                 throw SerializationError("ContentFeatures::serialize(): Unsupported version requested");
 899         }
 900 }
 901
 902 void ContentFeatures::deSerializeOld(std::istream &is, int version)
 903 {
 904         if(version == 5) // In PROTOCOL_VERSION 13
 905         {
 906                 name = deSerializeString(is);
 907                 groups.clear();
 908                 u32 groups_size = readU16(is);
 909                 for(u32 i=0; i<groups_size; i++){
 910                         std::string name = deSerializeString(is);
 911                         int value = readS16(is);
 912                         groups[name] = value;
 913                 }
 914                 drawtype = (enum NodeDrawType)readU8(is);
 915                 visual_scale = readF1000(is);
 916                 if(readU8(is) != 6)
 917                         throw SerializationError("unsupported tile count");
 918                 for(u32 i=0; i<6; i++)
 919                         tiledef[i].deSerialize(is);
 920                 if(readU8(is) != CF_SPECIAL_COUNT)
 921                         throw SerializationError("unsupported CF_SPECIAL_COUNT");
 922                 for(u32 i=0; i<CF_SPECIAL_COUNT; i++)
 923                         tiledef_special[i].deSerialize(is);
 924                 alpha = readU8(is);
 925                 post_effect_color.setAlpha(readU8(is));
 926                 post_effect_color.setRed(readU8(is));
 927                 post_effect_color.setGreen(readU8(is));
 928                 post_effect_color.setBlue(readU8(is));
 929                 param_type = (enum ContentParamType)readU8(is);
 930                 param_type_2 = (enum ContentParamType2)readU8(is);
 931                 is_ground_content = readU8(is);
 932                 light_propagates = readU8(is);
 933                 sunlight_propagates = readU8(is);
 934                 walkable = readU8(is);
 935                 pointable = readU8(is);
 936                 diggable = readU8(is);
 937                 climbable = readU8(is);
 938                 buildable_to = readU8(is);
 939                 deSerializeString(is); // legacy: used to be metadata_name
 940                 liquid_type = (enum LiquidType)readU8(is);
 941                 liquid_alternative_flowing = deSerializeString(is);
 942                 liquid_alternative_source = deSerializeString(is);
 943                 liquid_viscosity = readU8(is);
 944                 light_source = readU8(is);
 945                 damage_per_second = readU32(is);
 946                 node_box.deSerialize(is);
 947                 selection_box.deSerialize(is);
 948                 legacy_facedir_simple = readU8(is);
 949                 legacy_wallmounted = readU8(is);
 950                 deSerializeSimpleSoundSpec(sound_footstep, is);
 951                 deSerializeSimpleSoundSpec(sound_dig, is);
 952                 deSerializeSimpleSoundSpec(sound_dug, is);
 953         }
 954         else
 955         {
 956                 throw SerializationError("unsupported ContentFeatures version");
 957         }
 958 }
 959