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         initial_metadata = NULL;
 144         liquid_type = LIQUID_NONE;
 145         liquid_alternative_flowing = CONTENT_IGNORE;
 146         liquid_alternative_source = CONTENT_IGNORE;
 147         liquid_viscosity = 0;
 148         light_source = 0;
 149         damage_per_second = 0;
 150         selection_box = NodeBox();
 151         material = MaterialProperties();
 152 }
 153
 154 void ContentFeatures::serialize(std::ostream &os)
 155 {
 156         writeU8(os, 0); // version
 157         writeU8(os, drawtype);
 158         writeF1000(os, visual_scale);
 159         writeU8(os, 6);
 160         for(u32 i=0; i<6; i++)
 161                 os<<serializeString(tname_tiles[i]);
 162         os<<serializeString(tname_inventory);
 163         writeU8(os, CF_SPECIAL_COUNT);
 164         for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
 165                 mspec_special[i].serialize(os);
 166         }
 167         writeU8(os, alpha);
 168         writeU8(os, post_effect_color.getAlpha());
 169         writeU8(os, post_effect_color.getRed());
 170         writeU8(os, post_effect_color.getGreen());
 171         writeU8(os, post_effect_color.getBlue());
 172         writeU8(os, param_type);
 173         writeU8(os, is_ground_content);
 174         writeU8(os, light_propagates);
 175         writeU8(os, sunlight_propagates);
 176         writeU8(os, walkable);
 177         writeU8(os, pointable);
 178         writeU8(os, diggable);
 179         writeU8(os, climbable);
 180         writeU8(os, buildable_to);
 181         writeU8(os, wall_mounted);
 182         writeU8(os, air_equivalent);
 183         writeU8(os, often_contains_mineral);
 184         os<<serializeString(dug_item);
 185         os<<serializeString(extra_dug_item);
 186         writeS32(os, extra_dug_item_rarity);
 187         if(initial_metadata){
 188                 writeU8(os, true);
 189                 initial_metadata->serialize(os);
 190         } else {
 191                 writeU8(os, false);
 192         }
 193         writeU8(os, liquid_type);
 194         writeU16(os, liquid_alternative_flowing);
 195         writeU16(os, liquid_alternative_source);
 196         writeU8(os, liquid_viscosity);
 197         writeU8(os, light_source);
 198         writeU32(os, damage_per_second);
 199         selection_box.serialize(os);
 200         material.serialize(os);
 201 }
 202
 203 void ContentFeatures::deSerialize(std::istream &is, IGameDef *gamedef)
 204 {
 205         int version = readU8(is);
 206         if(version != 0)
 207                 throw SerializationError("unsupported ContentFeatures version");
 208         drawtype = (enum NodeDrawType)readU8(is);
 209         visual_scale = readF1000(is);
 210         if(readU8(is) != 6)
 211                 throw SerializationError("unsupported tile count");
 212         for(u32 i=0; i<6; i++)
 213                 tname_tiles[i] = deSerializeString(is);
 214         tname_inventory = deSerializeString(is);
 215         if(readU8(is) != CF_SPECIAL_COUNT)
 216                 throw SerializationError("unsupported CF_SPECIAL_COUNT");
 217         for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
 218                 mspec_special[i].deSerialize(is);
 219         }
 220         alpha = readU8(is);
 221         post_effect_color.setAlpha(readU8(is));
 222         post_effect_color.setRed(readU8(is));
 223         post_effect_color.setGreen(readU8(is));
 224         post_effect_color.setBlue(readU8(is));
 225         param_type = (enum ContentParamType)readU8(is);
 226         is_ground_content = readU8(is);
 227         light_propagates = readU8(is);
 228         sunlight_propagates = readU8(is);
 229         walkable = readU8(is);
 230         pointable = readU8(is);
 231         diggable = readU8(is);
 232         climbable = readU8(is);
 233         buildable_to = readU8(is);
 234         wall_mounted = readU8(is);
 235         air_equivalent = readU8(is);
 236         often_contains_mineral = readU8(is);
 237         dug_item = deSerializeString(is);
 238         extra_dug_item = deSerializeString(is);
 239         extra_dug_item_rarity = readS32(is);
 240         if(readU8(is)){
 241                 initial_metadata = NodeMetadata::deSerialize(is, gamedef);
 242         } else {
 243                 initial_metadata = NULL;
 244         }
 245         liquid_type = (enum LiquidType)readU8(is);
 246         liquid_alternative_flowing = readU16(is);
 247         liquid_alternative_source = readU16(is);
 248         liquid_viscosity = readU8(is);
 249         light_source = readU8(is);
 250         damage_per_second = readU32(is);
 251         selection_box.deSerialize(is);
 252         material.deSerialize(is);
 253 }
 254
 255 void ContentFeatures::setTexture(u16 i, std::string name)
 256 {
 257         used_texturenames.insert(name);
 258         tname_tiles[i] = name;
 259         if(tname_inventory == "")
 260                 tname_inventory = name;
 261 }
 262
 263 void ContentFeatures::setAllTextures(std::string name)
 264 {
 265         for(u16 i=0; i<6; i++)
 266                 setTexture(i, name);
 267         // Force inventory texture too
 268         setInventoryTexture(name);
 269 }
 270
 271 void ContentFeatures::setSpecialMaterial(u16 i, const MaterialSpec &mspec)
 272 {
 273         assert(i < CF_SPECIAL_COUNT);
 274         mspec_special[i] = mspec;
 275 }
 276
 277 void ContentFeatures::setInventoryTexture(std::string imgname)
 278 {
 279         tname_inventory = imgname + "^[forcesingle";
 280 }
 281
 282 void ContentFeatures::setInventoryTextureCube(std::string top,
 283                 std::string left, std::string right)
 284 {
 285         str_replace_char(top, '^', '&');
 286         str_replace_char(left, '^', '&');
 287         str_replace_char(right, '^', '&');
 288
 289         std::string imgname_full;
 290         imgname_full += "[inventorycube{";
 291         imgname_full += top;
 292         imgname_full += "{";
 293         imgname_full += left;
 294         imgname_full += "{";
 295         imgname_full += right;
 296         tname_inventory = imgname_full;
 297 }
 298
 299 /*
 300         CNodeDefManager
 301 */
 302
 303 class CNodeDefManager: public IWritableNodeDefManager
 304 {
 305 public:
 306         void clear()
 307         {
 308                 for(u16 i=0; i<=MAX_CONTENT; i++)
 309                 {
 310                         ContentFeatures *f = &m_content_features[i];
 311                         f->reset(); // Reset to defaults
 312                         f->modified = false; // Not changed from default
 313                         if(i == CONTENT_IGNORE || i == CONTENT_AIR){
 314                                 f->drawtype = NDT_AIRLIKE;
 315                                 continue;
 316                         }
 317                         f->setAllTextures("unknown_block.png");
 318                         //f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
 319                 }
 320 #ifndef SERVER
 321                 // Make CONTENT_IGNORE to not block the view when occlusion culling
 322                 m_content_features[CONTENT_IGNORE].solidness = 0;
 323 #endif
 324         }
 325         CNodeDefManager()
 326         {
 327                 clear();
 328         }
 329         virtual ~CNodeDefManager()
 330         {
 331         }
 332         virtual IWritableNodeDefManager* clone()
 333         {
 334                 CNodeDefManager *mgr = new CNodeDefManager();
 335                 for(u16 i=0; i<=MAX_CONTENT; i++)
 336                 {
 337                         mgr->set(i, get(i));
 338                 }
 339                 return mgr;
 340         }
 341         virtual const ContentFeatures& get(content_t c) const
 342         {
 343                 assert(c <= MAX_CONTENT);
 344                 return m_content_features[c];
 345         }
 346         virtual const ContentFeatures& get(const MapNode &n) const
 347         {
 348                 return get(n.getContent());
 349         }
 350         // Writable
 351         virtual void set(content_t c, const ContentFeatures &def)
 352         {
 353                 infostream<<"registerNode: registering content \""<<c<<"\""<<std::endl;
 354                 assert(c <= MAX_CONTENT);
 355                 m_content_features[c] = def;
 356         }
 357         virtual ContentFeatures* getModifiable(content_t c)
 358         {
 359                 assert(c <= MAX_CONTENT);
 360                 m_content_features[c].modified = true; // Assume it is modified
 361                 return &m_content_features[c];
 362         }
 363         virtual void updateTextures(ITextureSource *tsrc)
 364         {
 365 #ifndef SERVER
 366                 infostream<<"CNodeDefManager::updateTextures(): Updating "
 367                                 <<"textures in node definitions"<<std::endl;
 368
 369                 bool new_style_water = g_settings->getBool("new_style_water");
 370                 bool new_style_leaves = g_settings->getBool("new_style_leaves");
 371                 bool opaque_water = g_settings->getBool("opaque_water");
 372
 373                 for(u16 i=0; i<=MAX_CONTENT; i++)
 374                 {
 375                         ContentFeatures *f = &m_content_features[i];
 376
 377                         switch(f->drawtype){
 378                         default:
 379                         case NDT_NORMAL:
 380                                 f->solidness = 2;
 381                                 break;
 382                         case NDT_AIRLIKE:
 383                                 f->solidness = 0;
 384                                 break;
 385                         case NDT_LIQUID:
 386                                 assert(f->liquid_type == LIQUID_SOURCE);
 387                                 if(opaque_water)
 388                                         f->alpha = 255;
 389                                 if(new_style_water){
 390                                         f->solidness = 0;
 391                                 } else {
 392                                         f->solidness = 1;
 393                                         if(f->alpha == 255)
 394                                                 f->solidness = 2;
 395                                 }
 396                                 break;
 397                         case NDT_FLOWINGLIQUID:
 398                                 assert(f->liquid_type == LIQUID_FLOWING);
 399                                 f->solidness = 0;
 400                                 if(opaque_water)
 401                                         f->alpha = 255;
 402                                 break;
 403                         case NDT_GLASSLIKE:
 404                                 f->solidness = 0;
 405                                 f->visual_solidness = 1;
 406                                 break;
 407                         case NDT_ALLFACES:
 408                                 f->solidness = 0;
 409                                 f->visual_solidness = 1;
 410                                 break;
 411                         case NDT_ALLFACES_OPTIONAL:
 412                                 if(new_style_leaves){
 413                                         f->drawtype = NDT_ALLFACES;
 414                                         f->solidness = 0;
 415                                         f->visual_solidness = 1;
 416                                 } else {
 417                                         f->drawtype = NDT_NORMAL;
 418                                         f->solidness = 1;
 419                                         for(u32 i=0; i<6; i++){
 420                                                 f->tname_tiles[i] = std::string("[noalpha:")
 421                                                                 + f->tname_tiles[i];
 422                                         }
 423                                 }
 424                                 break;
 425                         case NDT_TORCHLIKE:
 426                         case NDT_SIGNLIKE:
 427                         case NDT_PLANTLIKE:
 428                         case NDT_FENCELIKE:
 429                         case NDT_RAILLIKE:
 430                                 f->solidness = 0;
 431                                 break;
 432                         }
 433
 434                         // Inventory texture
 435                         if(f->tname_inventory != "")
 436                                 f->inventory_texture = tsrc->getTextureRaw(f->tname_inventory);
 437                         else
 438                                 f->inventory_texture = NULL;
 439                         // Tile textures
 440                         for(u16 j=0; j<6; j++){
 441                                 if(f->tname_tiles[j] == "")
 442                                         continue;
 443                                 f->tiles[j].texture = tsrc->getTexture(f->tname_tiles[j]);
 444                                 f->tiles[j].alpha = f->alpha;
 445                                 if(f->alpha == 255)
 446                                         f->tiles[j].material_type = MATERIAL_ALPHA_SIMPLE;
 447                                 else
 448                                         f->tiles[j].material_type = MATERIAL_ALPHA_VERTEX;
 449                                 if(f->backface_culling)
 450                                         f->tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
 451                                 else
 452                                         f->tiles[j].material_flags &= ~MATERIAL_FLAG_BACKFACE_CULLING;
 453                         }
 454                         // Special textures
 455                         for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
 456                                 // Remove all stuff
 457                                 if(f->special_aps[j]){
 458                                         delete f->special_aps[j];
 459                                         f->special_aps[j] = NULL;
 460                                 }
 461                                 if(f->special_materials[j]){
 462                                         delete f->special_materials[j];
 463                                         f->special_materials[j] = NULL;
 464                                 }
 465                                 // Skip if should not exist
 466                                 if(f->mspec_special[j].tname == "")
 467                                         continue;
 468                                 // Create all stuff
 469                                 f->special_aps[j] = new AtlasPointer(
 470                                                 tsrc->getTexture(f->mspec_special[j].tname));
 471                                 f->special_materials[j] = new video::SMaterial;
 472                                 f->special_materials[j]->setFlag(video::EMF_LIGHTING, false);
 473                                 f->special_materials[j]->setFlag(video::EMF_BACK_FACE_CULLING,
 474                                                 f->mspec_special[j].backface_culling);
 475                                 f->special_materials[j]->setFlag(video::EMF_BILINEAR_FILTER, false);
 476                                 f->special_materials[j]->setFlag(video::EMF_FOG_ENABLE, true);
 477                                 f->special_materials[j]->setTexture(0, f->special_aps[j]->atlas);
 478                                 if(f->alpha != 255)
 479                                         f->special_materials[j]->MaterialType =
 480                                                         video::EMT_TRANSPARENT_VERTEX_ALPHA;
 481                         }
 482                 }
 483 #endif
 484         }
 485         void serialize(std::ostream &os)
 486         {
 487                 u16 count = 0;
 488                 std::ostringstream tmp_os(std::ios::binary);
 489                 for(u16 i=0; i<=MAX_CONTENT; i++)
 490                 {
 491                         ContentFeatures *f = &m_content_features[i];
 492                         if(!f->modified)
 493                                 continue;
 494                         writeU16(tmp_os, i);
 495                         f->serialize(tmp_os);
 496                         count++;
 497                 }
 498                 writeU16(os, count);
 499                 os<<serializeLongString(tmp_os.str());
 500         }
 501         void deSerialize(std::istream &is, IGameDef *gamedef)
 502         {
 503                 clear();
 504                 u16 count = readU16(is);
 505                 std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
 506                 for(u16 n=0; n<count; n++){
 507                         u16 i = readU16(tmp_is);
 508                         if(i > MAX_CONTENT){
 509                                 errorstream<<"ContentFeatures::deSerialize(): "
 510                                                 <<"Too large content id: "<<i<<std::endl;
 511                                 continue;
 512                         }
 513                         ContentFeatures *f = &m_content_features[i];
 514                         f->deSerialize(tmp_is, gamedef);
 515                         f->modified = true;
 516                 }
 517         }
 518 private:
 519         ContentFeatures m_content_features[MAX_CONTENT+1];
 520 };
 521
 522 IWritableNodeDefManager* createNodeDefManager()
 523 {
 524         return new CNodeDefManager();
 525 }
 526