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