src/nodedef.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010 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 General Public License as published by
   7 the Free Software Foundation; either version 2 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 General Public License for more details.
  14
  15 You should have received a copy of the GNU 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 "nodemetadata.h"
  24 #ifndef SERVER
  25 #include "tile.h"
  26 #endif
  27 #include "log.h"
  28 #include "settings.h"
  29
  30 /*
  31         NodeBox
  32 */
  33
  34 void NodeBox::serialize(std::ostream &os) const
  35 {
  36         writeU8(os, 0); // version
  37         writeU8(os, type);
  38         writeV3F1000(os, fixed.MinEdge);
  39         writeV3F1000(os, fixed.MaxEdge);
  40         writeV3F1000(os, wall_top.MinEdge);
  41         writeV3F1000(os, wall_top.MaxEdge);
  42         writeV3F1000(os, wall_bottom.MinEdge);
  43         writeV3F1000(os, wall_bottom.MaxEdge);
  44         writeV3F1000(os, wall_side.MinEdge);
  45         writeV3F1000(os, wall_side.MaxEdge);
  46 }
  47
  48 void NodeBox::deSerialize(std::istream &is)
  49 {
  50         int version = readU8(is);
  51         if(version != 0)
  52                 throw SerializationError("unsupported NodeBox version");
  53         type = (enum NodeBoxType)readU8(is);
  54         fixed.MinEdge = readV3F1000(is);
  55         fixed.MaxEdge = readV3F1000(is);
  56         wall_top.MinEdge = readV3F1000(is);
  57         wall_top.MaxEdge = readV3F1000(is);
  58         wall_bottom.MinEdge = readV3F1000(is);
  59         wall_bottom.MaxEdge = readV3F1000(is);
  60         wall_side.MinEdge = readV3F1000(is);
  61         wall_side.MaxEdge = readV3F1000(is);
  62 }
  63
  64 /*
  65         MaterialSpec
  66 */
  67
  68 void MaterialSpec::serialize(std::ostream &os) const
  69 {
  70         os<<serializeString(tname);
  71         writeU8(os, backface_culling);
  72 }
  73
  74 void MaterialSpec::deSerialize(std::istream &is)
  75 {
  76         tname = deSerializeString(is);
  77         backface_culling = readU8(is);
  78 }
  79
  80 /*
  81         ContentFeatures
  82 */
  83
  84 ContentFeatures::ContentFeatures()
  85 {
  86         reset();
  87 }
  88
  89 ContentFeatures::~ContentFeatures()
  90 {
  91         delete initial_metadata;
  92 #ifndef SERVER
  93         for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
  94                 delete special_materials[j];
  95                 delete special_aps[j];
  96         }
  97 #endif
  98 }
  99
 100 void ContentFeatures::reset()
 101 {
 102         /*
 103                 Cached stuff
 104         */
 105 #ifndef SERVER
 106         inventory_texture = NULL;
 107
 108         for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
 109                 special_materials[j] = NULL;
 110                 special_aps[j] = NULL;
 111         }
 112         solidness = 2;
 113         visual_solidness = 0;
 114         backface_culling = true;
 115 #endif
 116         used_texturenames.clear();
 117         modified = true; // NodeDefManager explicitly sets to false
 118         /*
 119                 Actual data
 120         */
 121         drawtype = NDT_NORMAL;
 122         visual_scale = 1.0;
 123         for(u32 i=0; i<6; i++)
 124                 tname_tiles[i] = "";
 125         for(u16 j=0; j<CF_SPECIAL_COUNT; j++)
 126                 mspec_special[j] = MaterialSpec();
 127         tname_inventory = "";
 128         alpha = 255;
 129         post_effect_color = video::SColor(0, 0, 0, 0);
 130         param_type = CPT_NONE;
 131         is_ground_content = false;
 132         light_propagates = false;
 133         sunlight_propagates = false;
 134         walkable = true;
 135         pointable = true;
 136         diggable = true;
 137         climbable = false;
 138         buildable_to = false;
 139         wall_mounted = false;
 140         air_equivalent = false;
 141         often_contains_mineral = false;
 142         dug_item = "";
 143         extra_dug_item = "";
 144         extra_dug_item_rarity = 2;
 145         initial_metadata = NULL;
 146         liquid_type = LIQUID_NONE;
 147         liquid_alternative_flowing = CONTENT_IGNORE;
 148         liquid_alternative_source = CONTENT_IGNORE;
 149         liquid_viscosity = 0;
 150         light_source = 0;
 151         damage_per_second = 0;
 152         selection_box = NodeBox();
 153         material = MaterialProperties();
 154         cookresult_item = "";
 155 }
 156
 157 void ContentFeatures::serialize(std::ostream &os)
 158 {
 159         writeU8(os, 0); // version
 160         writeU8(os, drawtype);
 161         writeF1000(os, visual_scale);
 162         writeU8(os, 6);
 163         for(u32 i=0; i<6; i++)
 164                 os<<serializeString(tname_tiles[i]);
 165         os<<serializeString(tname_inventory);
 166         writeU8(os, CF_SPECIAL_COUNT);
 167         for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
 168                 mspec_special[i].serialize(os);
 169         }
 170         writeU8(os, alpha);
 171         writeU8(os, post_effect_color.getAlpha());
 172         writeU8(os, post_effect_color.getRed());
 173         writeU8(os, post_effect_color.getGreen());
 174         writeU8(os, post_effect_color.getBlue());
 175         writeU8(os, param_type);
 176         writeU8(os, is_ground_content);
 177         writeU8(os, light_propagates);
 178         writeU8(os, sunlight_propagates);
 179         writeU8(os, walkable);
 180         writeU8(os, pointable);
 181         writeU8(os, diggable);
 182         writeU8(os, climbable);
 183         writeU8(os, buildable_to);
 184         writeU8(os, wall_mounted);
 185         writeU8(os, air_equivalent);
 186         writeU8(os, often_contains_mineral);
 187         os<<serializeString(dug_item);
 188         os<<serializeString(extra_dug_item);
 189         writeS32(os, extra_dug_item_rarity);
 190         if(initial_metadata){
 191                 writeU8(os, true);
 192                 initial_metadata->serialize(os);
 193         } else {
 194                 writeU8(os, false);
 195         }
 196         writeU8(os, liquid_type);
 197         writeU16(os, liquid_alternative_flowing);
 198         writeU16(os, liquid_alternative_source);
 199         writeU8(os, liquid_viscosity);
 200         writeU8(os, light_source);
 201         writeU32(os, damage_per_second);
 202         selection_box.serialize(os);
 203         material.serialize(os);
 204         os<<serializeString(cookresult_item);
 205 }
 206
 207 void ContentFeatures::deSerialize(std::istream &is, IGameDef *gamedef)
 208 {
 209         int version = readU8(is);
 210         if(version != 0)
 211                 throw SerializationError("unsupported ContentFeatures version");
 212         drawtype = (enum NodeDrawType)readU8(is);
 213         visual_scale = readF1000(is);
 214         if(readU8(is) != 6)
 215                 throw SerializationError("unsupported tile count");
 216         for(u32 i=0; i<6; i++)
 217                 tname_tiles[i] = deSerializeString(is);
 218         tname_inventory = deSerializeString(is);
 219         if(readU8(is) != CF_SPECIAL_COUNT)
 220                 throw SerializationError("unsupported CF_SPECIAL_COUNT");
 221         for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
 222                 mspec_special[i].deSerialize(is);
 223         }
 224         alpha = readU8(is);
 225         post_effect_color.setAlpha(readU8(is));
 226         post_effect_color.setRed(readU8(is));
 227         post_effect_color.setGreen(readU8(is));
 228         post_effect_color.setBlue(readU8(is));
 229         param_type = (enum ContentParamType)readU8(is);
 230         is_ground_content = readU8(is);
 231         light_propagates = readU8(is);
 232         sunlight_propagates = readU8(is);
 233         walkable = readU8(is);
 234         pointable = readU8(is);
 235         diggable = readU8(is);
 236         climbable = readU8(is);
 237         buildable_to = readU8(is);
 238         wall_mounted = readU8(is);
 239         air_equivalent = readU8(is);
 240         often_contains_mineral = readU8(is);
 241         dug_item = deSerializeString(is);
 242         extra_dug_item = deSerializeString(is);
 243         extra_dug_item_rarity = readS32(is);
 244         if(readU8(is)){
 245                 initial_metadata = NodeMetadata::deSerialize(is, gamedef);
 246         } else {
 247                 initial_metadata = NULL;
 248         }
 249         liquid_type = (enum LiquidType)readU8(is);
 250         liquid_alternative_flowing = readU16(is);
 251         liquid_alternative_source = readU16(is);
 252         liquid_viscosity = readU8(is);
 253         light_source = readU8(is);
 254         damage_per_second = readU32(is);
 255         selection_box.deSerialize(is);
 256         material.deSerialize(is);
 257         cookresult_item = deSerializeString(is);
 258 }
 259
 260 void ContentFeatures::setTexture(u16 i, std::string name)
 261 {
 262         used_texturenames.insert(name);
 263         tname_tiles[i] = name;
 264         if(tname_inventory == "")
 265                 tname_inventory = name;
 266 }
 267
 268 void ContentFeatures::setAllTextures(std::string name)
 269 {
 270         for(u16 i=0; i<6; i++)
 271                 setTexture(i, name);
 272         // Force inventory texture too
 273         setInventoryTexture(name);
 274 }
 275
 276 void ContentFeatures::setSpecialMaterial(u16 i, const MaterialSpec &mspec)
 277 {
 278         assert(i < CF_SPECIAL_COUNT);
 279         mspec_special[i] = mspec;
 280 }
 281
 282 void ContentFeatures::setInventoryTexture(std::string imgname)
 283 {
 284         tname_inventory = imgname + "^[forcesingle";
 285 }
 286
 287 void ContentFeatures::setInventoryTextureCube(std::string top,
 288                 std::string left, std::string right)
 289 {
 290         str_replace_char(top, '^', '&');
 291         str_replace_char(left, '^', '&');
 292         str_replace_char(right, '^', '&');
 293
 294         std::string imgname_full;
 295         imgname_full += "[inventorycube{";
 296         imgname_full += top;
 297         imgname_full += "{";
 298         imgname_full += left;
 299         imgname_full += "{";
 300         imgname_full += right;
 301         tname_inventory = imgname_full;
 302 }
 303
 304 /*
 305         CNodeDefManager
 306 */
 307
 308 class CNodeDefManager: public IWritableNodeDefManager
 309 {
 310 public:
 311         void clear()
 312         {
 313                 for(u16 i=0; i<=MAX_CONTENT; i++)
 314                 {
 315                         ContentFeatures *f = &m_content_features[i];
 316                         f->reset(); // Reset to defaults
 317                         f->modified = false; // Not changed from default
 318                         if(i == CONTENT_IGNORE || i == CONTENT_AIR){
 319                                 f->drawtype = NDT_AIRLIKE;
 320                                 continue;
 321                         }
 322                         f->setAllTextures("unknown_block.png");
 323                         //f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
 324                 }
 325 #ifndef SERVER
 326                 // Make CONTENT_IGNORE to not block the view when occlusion culling
 327                 m_content_features[CONTENT_IGNORE].solidness = 0;
 328 #endif
 329         }
 330         CNodeDefManager()
 331         {
 332                 clear();
 333         }
 334         virtual ~CNodeDefManager()
 335         {
 336         }
 337         virtual IWritableNodeDefManager* clone()
 338         {
 339                 CNodeDefManager *mgr = new CNodeDefManager();
 340                 for(u16 i=0; i<=MAX_CONTENT; i++)
 341                 {
 342                         mgr->set(i, get(i));
 343                 }
 344                 return mgr;
 345         }
 346         virtual const ContentFeatures& get(content_t c) const
 347         {
 348                 assert(c <= MAX_CONTENT);
 349                 return m_content_features[c];
 350         }
 351         virtual const ContentFeatures& get(const MapNode &n) const
 352         {
 353                 return get(n.getContent());
 354         }
 355         // Writable
 356         virtual void set(content_t c, const ContentFeatures &def)
 357         {
 358                 infostream<<"registerNode: registering content \""<<c<<"\""<<std::endl;
 359                 assert(c <= MAX_CONTENT);
 360                 m_content_features[c] = def;
 361         }
 362         virtual ContentFeatures* getModifiable(content_t c)
 363         {
 364                 assert(c <= MAX_CONTENT);
 365                 m_content_features[c].modified = true; // Assume it is modified
 366                 return &m_content_features[c];
 367         }
 368         virtual void updateTextures(ITextureSource *tsrc)
 369         {
 370 #ifndef SERVER
 371                 infostream<<"CNodeDefManager::updateTextures(): Updating "
 372                                 <<"textures in node definitions"<<std::endl;
 373
 374                 bool new_style_water = g_settings->getBool("new_style_water");
 375                 bool new_style_leaves = g_settings->getBool("new_style_leaves");
 376                 bool opaque_water = g_settings->getBool("opaque_water");
 377
 378                 for(u16 i=0; i<=MAX_CONTENT; i++)
 379                 {
 380                         ContentFeatures *f = &m_content_features[i];
 381
 382                         switch(f->drawtype){
 383                         default:
 384                         case NDT_NORMAL:
 385                                 f->solidness = 2;
 386                                 break;
 387                         case NDT_AIRLIKE:
 388                                 f->solidness = 0;
 389                                 break;
 390                         case NDT_LIQUID:
 391                                 assert(f->liquid_type == LIQUID_SOURCE);
 392                                 if(opaque_water)
 393                                         f->alpha = 255;
 394                                 if(new_style_water){
 395                                         f->solidness = 0;
 396                                 } else {
 397                                         f->solidness = 1;
 398                                         if(f->alpha == 255)
 399                                                 f->solidness = 2;
 400                                 }
 401                                 break;
 402                         case NDT_FLOWINGLIQUID:
 403                                 assert(f->liquid_type == LIQUID_FLOWING);
 404                                 f->solidness = 0;
 405                                 if(opaque_water)
 406                                         f->alpha = 255;
 407                                 break;
 408                         case NDT_GLASSLIKE:
 409                                 f->solidness = 0;
 410                                 f->visual_solidness = 1;
 411                                 break;
 412                         case NDT_ALLFACES:
 413                                 f->solidness = 0;
 414                                 f->visual_solidness = 1;
 415                                 break;
 416                         case NDT_ALLFACES_OPTIONAL:
 417                                 if(new_style_leaves){
 418                                         f->drawtype = NDT_ALLFACES;
 419                                         f->solidness = 0;
 420                                         f->visual_solidness = 1;
 421                                 } else {
 422                                         f->drawtype = NDT_NORMAL;
 423                                         f->solidness = 1;
 424                                         for(u32 i=0; i<6; i++){
 425                                                 f->tname_tiles[i] = std::string("[noalpha:")
 426                                                                 + f->tname_tiles[i];
 427                                         }
 428                                 }
 429                                 break;
 430                         case NDT_TORCHLIKE:
 431                         case NDT_SIGNLIKE:
 432                         case NDT_PLANTLIKE:
 433                         case NDT_FENCELIKE:
 434                         case NDT_RAILLIKE:
 435                                 f->solidness = 0;
 436                                 break;
 437                         }
 438
 439                         // Inventory texture
 440                         if(f->tname_inventory != "")
 441                                 f->inventory_texture = tsrc->getTextureRaw(f->tname_inventory);
 442                         else
 443                                 f->inventory_texture = NULL;
 444                         // Tile textures
 445                         for(u16 j=0; j<6; j++){
 446                                 if(f->tname_tiles[j] == "")
 447                                         continue;
 448                                 f->tiles[j].texture = tsrc->getTexture(f->tname_tiles[j]);
 449                                 f->tiles[j].alpha = f->alpha;
 450                                 if(f->alpha == 255)
 451                                         f->tiles[j].material_type = MATERIAL_ALPHA_SIMPLE;
 452                                 else
 453                                         f->tiles[j].material_type = MATERIAL_ALPHA_VERTEX;
 454                                 if(f->backface_culling)
 455                                         f->tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
 456                                 else
 457                                         f->tiles[j].material_flags &= ~MATERIAL_FLAG_BACKFACE_CULLING;
 458                         }
 459                         // Special textures
 460                         for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
 461                                 // Remove all stuff
 462                                 if(f->special_aps[j]){
 463                                         delete f->special_aps[j];
 464                                         f->special_aps[j] = NULL;
 465                                 }
 466                                 if(f->special_materials[j]){
 467                                         delete f->special_materials[j];
 468                                         f->special_materials[j] = NULL;
 469                                 }
 470                                 // Skip if should not exist
 471                                 if(f->mspec_special[j].tname == "")
 472                                         continue;
 473                                 // Create all stuff
 474                                 f->special_aps[j] = new AtlasPointer(
 475                                                 tsrc->getTexture(f->mspec_special[j].tname));
 476                                 f->special_materials[j] = new video::SMaterial;
 477                                 f->special_materials[j]->setFlag(video::EMF_LIGHTING, false);
 478                                 f->special_materials[j]->setFlag(video::EMF_BACK_FACE_CULLING,
 479                                                 f->mspec_special[j].backface_culling);
 480                                 f->special_materials[j]->setFlag(video::EMF_BILINEAR_FILTER, false);
 481                                 f->special_materials[j]->setFlag(video::EMF_FOG_ENABLE, true);
 482                                 f->special_materials[j]->setTexture(0, f->special_aps[j]->atlas);
 483                                 if(f->alpha != 255)
 484                                         f->special_materials[j]->MaterialType =
 485                                                         video::EMT_TRANSPARENT_VERTEX_ALPHA;
 486                         }
 487                 }
 488 #endif
 489         }
 490         void serialize(std::ostream &os)
 491         {
 492                 u16 count = 0;
 493                 std::ostringstream tmp_os(std::ios::binary);
 494                 for(u16 i=0; i<=MAX_CONTENT; i++)
 495                 {
 496                         ContentFeatures *f = &m_content_features[i];
 497                         if(!f->modified)
 498                                 continue;
 499                         writeU16(tmp_os, i);
 500                         f->serialize(tmp_os);
 501                         count++;
 502                 }
 503                 writeU16(os, count);
 504                 os<<serializeLongString(tmp_os.str());
 505         }
 506         void deSerialize(std::istream &is, IGameDef *gamedef)
 507         {
 508                 clear();
 509                 u16 count = readU16(is);
 510                 std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
 511                 for(u16 n=0; n<count; n++){
 512                         u16 i = readU16(tmp_is);
 513                         if(i > MAX_CONTENT){
 514                                 errorstream<<"ContentFeatures::deSerialize(): "
 515                                                 <<"Too large content id: "<<i<<std::endl;
 516                                 continue;
 517                         }
 518                         ContentFeatures *f = &m_content_features[i];
 519                         f->deSerialize(tmp_is, gamedef);
 520                         f->modified = true;
 521                 }
 522         }
 523 private:
 524         ContentFeatures m_content_features[MAX_CONTENT+1];
 525 };
 526
 527 IWritableNodeDefManager* createNodeDefManager()
 528 {
 529         return new CNodeDefManager();
 530 }
 531