src/mapnode.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 "common_irrlicht.h"
  21 #include "mapnode.h"
  22 #include "tile.h"
  23 #include "porting.h"
  24 #include <string>
  25 #include "mineral.h"
  26 // For g_settings
  27 #include "main.h"
  28 #include "nodemetadata.h"
  29
  30 ContentFeatures::~ContentFeatures()
  31 {
  32         if(translate_to)
  33                 delete translate_to;
  34         if(initial_metadata)
  35                 delete initial_metadata;
  36 }
  37
  38 void ContentFeatures::setTexture(u16 i, std::string name, u8 alpha)
  39 {
  40         if(g_texturesource)
  41         {
  42                 tiles[i].texture = g_texturesource->getTexture(name);
  43         }
  44
  45         if(alpha != 255)
  46         {
  47                 tiles[i].alpha = alpha;
  48                 tiles[i].material_type = MATERIAL_ALPHA_VERTEX;
  49         }
  50
  51         if(inventory_texture == NULL)
  52                 setInventoryTexture(name);
  53 }
  54
  55 void ContentFeatures::setInventoryTexture(std::string imgname)
  56 {
  57         if(g_texturesource == NULL)
  58                 return;
  59
  60         imgname += "^[forcesingle";
  61
  62         inventory_texture = g_texturesource->getTextureRaw(imgname);
  63 }
  64
  65 void ContentFeatures::setInventoryTextureCube(std::string top,
  66                 std::string left, std::string right)
  67 {
  68         if(g_texturesource == NULL)
  69                 return;
  70
  71         str_replace_char(top, '^', '&');
  72         str_replace_char(left, '^', '&');
  73         str_replace_char(right, '^', '&');
  74
  75         std::string imgname_full;
  76         imgname_full += "[inventorycube{";
  77         imgname_full += top;
  78         imgname_full += "{";
  79         imgname_full += left;
  80         imgname_full += "{";
  81         imgname_full += right;
  82         inventory_texture = g_texturesource->getTextureRaw(imgname_full);
  83 }
  84
  85 struct ContentFeatures g_content_features[256];
  86
  87 ContentFeatures & content_features(u8 i)
  88 {
  89         return g_content_features[i];
  90 }
  91
  92 /*
  93         See mapnode.h for description.
  94 */
  95 void init_mapnode()
  96 {
  97         if(g_texturesource == NULL)
  98         {
  99                 dstream<<"INFO: Initial run of init_mapnode with "
 100                                 "g_texturesource=NULL. If this segfaults, "
 101                                 "there is a bug with something not checking for "
 102                                 "the NULL value."<<std::endl;
 103         }
 104         else
 105         {
 106                 dstream<<"INFO: Full run of init_mapnode with "
 107                                 "g_texturesource!=NULL"<<std::endl;
 108         }
 109
 110         // Read some settings
 111         bool new_style_water = g_settings.getBool("new_style_water");
 112         bool new_style_leaves = g_settings.getBool("new_style_leaves");
 113
 114         /*
 115                 Initialize content feature table
 116         */
 117
 118         /*
 119                 Set initial material type to same in all tiles, so that the
 120                 same material can be used in more stuff.
 121                 This is set according to the leaves because they are the only
 122                 differing material to which all materials can be changed to
 123                 get this optimization.
 124         */
 125         u8 initial_material_type = MATERIAL_ALPHA_SIMPLE;
 126         /*if(new_style_leaves)
 127                 initial_material_type = MATERIAL_ALPHA_SIMPLE;
 128         else
 129                 initial_material_type = MATERIAL_ALPHA_NONE;*/
 130         for(u16 i=0; i<256; i++)
 131         {
 132                 ContentFeatures *f = &g_content_features[i];
 133                 // Re-initialize
 134                 *f = ContentFeatures();
 135
 136                 for(u16 j=0; j<6; j++)
 137                         f->tiles[j].material_type = initial_material_type;
 138         }
 139
 140         u8 i;
 141         ContentFeatures *f = NULL;
 142
 143         i = CONTENT_STONE;
 144         f = &g_content_features[i];
 145         f->setAllTextures("stone.png");
 146         f->setInventoryTextureCube("stone.png", "stone.png", "stone.png");
 147         f->param_type = CPT_MINERAL;
 148         f->is_ground_content = true;
 149         f->dug_item = std::string("MaterialItem ")+itos(CONTENT_COBBLE)+" 1";
 150
 151         i = CONTENT_GRASS;
 152         f = &g_content_features[i];
 153         f->setAllTextures("mud.png^grass_side.png");
 154         f->setTexture(0, "grass.png");
 155         f->setTexture(1, "mud.png");
 156         f->param_type = CPT_MINERAL;
 157         f->is_ground_content = true;
 158         f->dug_item = std::string("MaterialItem ")+itos(CONTENT_MUD)+" 1";
 159
 160         i = CONTENT_GRASS_FOOTSTEPS;
 161         f = &g_content_features[i];
 162         f->setAllTextures("mud.png^grass_side.png");
 163         f->setTexture(0, "grass_footsteps.png");
 164         f->setTexture(1, "mud.png");
 165         f->param_type = CPT_MINERAL;
 166         f->is_ground_content = true;
 167         f->dug_item = std::string("MaterialItem ")+itos(CONTENT_MUD)+" 1";
 168
 169         i = CONTENT_MUD;
 170         f = &g_content_features[i];
 171         f->setAllTextures("mud.png");
 172         f->setInventoryTextureCube("mud.png", "mud.png", "mud.png");
 173         f->param_type = CPT_MINERAL;
 174         f->is_ground_content = true;
 175         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 176
 177         i = CONTENT_SAND;
 178         f = &g_content_features[i];
 179         f->setAllTextures("sand.png");
 180         f->param_type = CPT_MINERAL;
 181         f->is_ground_content = true;
 182         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 183
 184         i = CONTENT_SANDSTONE;
 185         f = &g_content_features[i];
 186         f->setAllTextures("sandstone.png");
 187         f->setInventoryTextureCube("sandstone.png", "sandstone.png", "sandstone.png");
 188         f->param_type = CPT_MINERAL;
 189         f->is_ground_content = true;
 190         f->dug_item = std::string("MaterialItem ")+itos(CONTENT_SAND)+" 1";
 191
 192         i = CONTENT_CLAY;
 193         f = &g_content_features[i];
 194         f->setAllTextures("clay.png");
 195         f->setInventoryTextureCube("clay.png", "clay.png", "clay.png");
 196         f->param_type = CPT_MINERAL;
 197         f->is_ground_content = true;
 198         f->dug_item = std::string("CraftItem lump_of_clay 4");
 199
 200         i = CONTENT_BRICK;
 201         f = &g_content_features[i];
 202         f->setAllTextures("brick.png");
 203         f->setInventoryTextureCube("brick.png", "brick.png", "brick.png");
 204         f->param_type = CPT_MINERAL;
 205         f->is_ground_content = true;
 206         f->dug_item = std::string("CraftItem clay_brick 4");
 207
 208         i = CONTENT_TREE;
 209         f = &g_content_features[i];
 210         f->setAllTextures("tree.png");
 211         f->setTexture(0, "tree_top.png");
 212         f->setTexture(1, "tree_top.png");
 213         f->param_type = CPT_MINERAL;
 214         f->is_ground_content = true;
 215         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 216
 217         i = CONTENT_LEAVES;
 218         f = &g_content_features[i];
 219         f->light_propagates = true;
 220         //f->param_type = CPT_MINERAL;
 221         f->param_type = CPT_LIGHT;
 222         f->is_ground_content = true;
 223         if(new_style_leaves)
 224         {
 225                 f->solidness = 0; // drawn separately, makes no faces
 226                 f->setInventoryTextureCube("leaves.png", "leaves.png", "leaves.png");
 227         }
 228         else
 229         {
 230                 f->setAllTextures("[noalpha:leaves.png");
 231         }
 232         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 233
 234         i = CONTENT_CACTUS;
 235         f = &g_content_features[i];
 236         f->setAllTextures("cactus_side.png");
 237         f->setTexture(0, "cactus_top.png");
 238         f->setTexture(1, "cactus_top.png");
 239         f->setInventoryTextureCube("cactus_top.png", "cactus_side.png", "cactus_side.png");
 240         f->param_type = CPT_MINERAL;
 241         f->is_ground_content = true;
 242         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 243
 244         i = CONTENT_PAPYRUS;
 245         f = &g_content_features[i];
 246         f->setInventoryTexture("papyrus.png");
 247         f->light_propagates = true;
 248         f->param_type = CPT_LIGHT;
 249         f->is_ground_content = true;
 250         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 251         f->solidness = 0; // drawn separately, makes no faces
 252         f->walkable = false;
 253
 254         i = CONTENT_BOOKSHELF;
 255         f = &g_content_features[i];
 256         f->setAllTextures("bookshelf.png");
 257         f->setTexture(0, "wood.png");
 258         f->setTexture(1, "wood.png");
 259         // FIXME: setInventoryTextureCube() only cares for the first texture
 260         f->setInventoryTextureCube("bookshelf.png", "bookshelf.png", "bookshelf.png");
 261         //f->setInventoryTextureCube("wood.png", "bookshelf.png", "bookshelf.png");
 262         f->param_type = CPT_MINERAL;
 263         f->is_ground_content = true;
 264
 265         i = CONTENT_GLASS;
 266         f = &g_content_features[i];
 267         f->light_propagates = true;
 268         f->param_type = CPT_LIGHT;
 269         f->is_ground_content = true;
 270         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 271         f->solidness = 0; // drawn separately, makes no faces
 272         f->setInventoryTextureCube("glass.png", "glass.png", "glass.png");
 273
 274         i = CONTENT_FENCE;
 275         f = &g_content_features[i];
 276         f->setInventoryTexture("fence.png");
 277         f->light_propagates = true;
 278         f->param_type = CPT_LIGHT;
 279         f->is_ground_content = true;
 280         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 281         f->solidness = 0; // drawn separately, makes no faces
 282         f->air_equivalent = true; // grass grows underneath
 283
 284         i = CONTENT_RAIL;
 285         f = &g_content_features[i];
 286         f->setInventoryTexture("rail.png");
 287         f->light_propagates = true;
 288         f->param_type = CPT_LIGHT;
 289         f->is_ground_content = true;
 290         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 291         f->solidness = 0; // drawn separately, makes no faces
 292         f->air_equivalent = true; // grass grows underneath
 293         f->walkable = false;
 294
 295         // Deprecated
 296         i = CONTENT_COALSTONE;
 297         f = &g_content_features[i];
 298         //f->translate_to = new MapNode(CONTENT_STONE, MINERAL_COAL);
 299         f->setAllTextures("stone.png^mineral_coal.png");
 300         f->is_ground_content = true;
 301
 302         i = CONTENT_WOOD;
 303         f = &g_content_features[i];
 304         f->setAllTextures("wood.png");
 305         f->is_ground_content = true;
 306         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 307
 308         i = CONTENT_MESE;
 309         f = &g_content_features[i];
 310         f->setAllTextures("mese.png");
 311         f->is_ground_content = true;
 312         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 313
 314         i = CONTENT_CLOUD;
 315         f = &g_content_features[i];
 316         f->setAllTextures("cloud.png");
 317         f->is_ground_content = true;
 318         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 319
 320         i = CONTENT_AIR;
 321         f = &g_content_features[i];
 322         f->param_type = CPT_LIGHT;
 323         f->light_propagates = true;
 324         f->sunlight_propagates = true;
 325         f->solidness = 0;
 326         f->walkable = false;
 327         f->pointable = false;
 328         f->diggable = false;
 329         f->buildable_to = true;
 330         f->air_equivalent = true;
 331
 332         i = CONTENT_WATER;
 333         f = &g_content_features[i];
 334         f->setInventoryTextureCube("water.png", "water.png", "water.png");
 335         f->param_type = CPT_LIGHT;
 336         f->light_propagates = true;
 337         f->solidness = 0; // Drawn separately, makes no faces
 338         f->walkable = false;
 339         f->pointable = false;
 340         f->diggable = false;
 341         f->buildable_to = true;
 342         f->liquid_type = LIQUID_FLOWING;
 343
 344         i = CONTENT_WATERSOURCE;
 345         f = &g_content_features[i];
 346         f->setInventoryTexture("water.png");
 347         if(new_style_water)
 348         {
 349                 f->solidness = 0; // drawn separately, makes no faces
 350         }
 351         else // old style
 352         {
 353                 f->solidness = 1;
 354
 355                 TileSpec t;
 356                 if(g_texturesource)
 357                         t.texture = g_texturesource->getTexture("water.png");
 358
 359                 t.alpha = WATER_ALPHA;
 360                 t.material_type = MATERIAL_ALPHA_VERTEX;
 361                 t.material_flags &= ~MATERIAL_FLAG_BACKFACE_CULLING;
 362                 f->setAllTiles(t);
 363         }
 364         f->param_type = CPT_LIGHT;
 365         f->light_propagates = true;
 366         f->walkable = false;
 367         f->pointable = false;
 368         f->diggable = false;
 369         f->buildable_to = true;
 370         f->liquid_type = LIQUID_SOURCE;
 371         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 372
 373         i = CONTENT_TORCH;
 374         f = &g_content_features[i];
 375         f->setInventoryTexture("torch_on_floor.png");
 376         f->param_type = CPT_LIGHT;
 377         f->light_propagates = true;
 378         f->sunlight_propagates = true;
 379         f->solidness = 0; // drawn separately, makes no faces
 380         f->walkable = false;
 381         f->wall_mounted = true;
 382         f->air_equivalent = true;
 383         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 384
 385         i = CONTENT_SIGN_WALL;
 386         f = &g_content_features[i];
 387         f->setInventoryTexture("sign_wall.png");
 388         f->param_type = CPT_LIGHT;
 389         f->light_propagates = true;
 390         f->sunlight_propagates = true;
 391         f->solidness = 0; // drawn separately, makes no faces
 392         f->walkable = false;
 393         f->wall_mounted = true;
 394         f->air_equivalent = true;
 395         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 396         if(f->initial_metadata == NULL)
 397                 f->initial_metadata = new SignNodeMetadata("Some sign");
 398
 399         i = CONTENT_CHEST;
 400         f = &g_content_features[i];
 401         f->param_type = CPT_FACEDIR_SIMPLE;
 402         f->setAllTextures("chest_side.png");
 403         f->setTexture(0, "chest_top.png");
 404         f->setTexture(1, "chest_top.png");
 405         f->setTexture(5, "chest_front.png"); // Z-
 406         f->setInventoryTexture("chest_top.png");
 407         //f->setInventoryTextureCube("chest_top.png", "chest_side.png", "chest_side.png");
 408         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 409         if(f->initial_metadata == NULL)
 410                 f->initial_metadata = new ChestNodeMetadata();
 411
 412         i = CONTENT_FURNACE;
 413         f = &g_content_features[i];
 414         f->param_type = CPT_FACEDIR_SIMPLE;
 415         f->setAllTextures("furnace_side.png");
 416         f->setTexture(5, "furnace_front.png"); // Z-
 417         f->setInventoryTexture("furnace_front.png");
 418         //f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 419         f->dug_item = std::string("MaterialItem ")+itos(CONTENT_COBBLE)+" 6";
 420         if(f->initial_metadata == NULL)
 421                 f->initial_metadata = new FurnaceNodeMetadata();
 422
 423         i = CONTENT_COBBLE;
 424         f = &g_content_features[i];
 425         f->setAllTextures("cobble.png");
 426         f->setInventoryTextureCube("cobble.png", "cobble.png", "cobble.png");
 427         f->param_type = CPT_NONE;
 428         f->is_ground_content = true;
 429         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 430
 431         i = CONTENT_STEEL;
 432         f = &g_content_features[i];
 433         f->setAllTextures("steel_block.png");
 434         f->setInventoryTextureCube("steel_block.png", "steel_block.png",
 435                         "steel_block.png");
 436         f->param_type = CPT_NONE;
 437         f->is_ground_content = true;
 438         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 439
 440         // NOTE: Remember to add frequently used stuff to the texture atlas in tile.cpp
 441 }
 442
 443 v3s16 facedir_rotate(u8 facedir, v3s16 dir)
 444 {
 445         /*
 446                 Face 2 (normally Z-) direction:
 447                 facedir=0: Z-
 448                 facedir=1: X-
 449                 facedir=2: Z+
 450                 facedir=3: X+
 451         */
 452         v3s16 newdir;
 453         if(facedir==0) // Same
 454                 newdir = v3s16(dir.X, dir.Y, dir.Z);
 455         else if(facedir == 1) // Face is taken from rotXZccv(-90)
 456                 newdir = v3s16(-dir.Z, dir.Y, dir.X);
 457         else if(facedir == 2) // Face is taken from rotXZccv(180)
 458                 newdir = v3s16(-dir.X, dir.Y, -dir.Z);
 459         else if(facedir == 3) // Face is taken from rotXZccv(90)
 460                 newdir = v3s16(dir.Z, dir.Y, -dir.X);
 461         else
 462                 newdir = dir;
 463         return newdir;
 464 }
 465
 466 TileSpec MapNode::getTile(v3s16 dir)
 467 {
 468         if(content_features(d).param_type == CPT_FACEDIR_SIMPLE)
 469                 dir = facedir_rotate(param1, dir);
 470
 471         TileSpec spec;
 472
 473         s32 dir_i = -1;
 474
 475         if(dir == v3s16(0,0,0))
 476                 dir_i = -1;
 477         else if(dir == v3s16(0,1,0))
 478                 dir_i = 0;
 479         else if(dir == v3s16(0,-1,0))
 480                 dir_i = 1;
 481         else if(dir == v3s16(1,0,0))
 482                 dir_i = 2;
 483         else if(dir == v3s16(-1,0,0))
 484                 dir_i = 3;
 485         else if(dir == v3s16(0,0,1))
 486                 dir_i = 4;
 487         else if(dir == v3s16(0,0,-1))
 488                 dir_i = 5;
 489
 490         if(dir_i == -1)
 491                 // Non-directional
 492                 spec = content_features(d).tiles[0];
 493         else
 494                 spec = content_features(d).tiles[dir_i];
 495
 496         /*
 497                 If it contains some mineral, change texture id
 498         */
 499         if(content_features(d).param_type == CPT_MINERAL && g_texturesource)
 500         {
 501                 u8 mineral = param & 0x1f;
 502                 std::string mineral_texture_name = mineral_block_texture(mineral);
 503                 if(mineral_texture_name != "")
 504                 {
 505                         u32 orig_id = spec.texture.id;
 506                         std::string texture_name = g_texturesource->getTextureName(orig_id);
 507                         //texture_name += "^blit:";
 508                         texture_name += "^";
 509                         texture_name += mineral_texture_name;
 510                         u32 new_id = g_texturesource->getTextureId(texture_name);
 511                         spec.texture = g_texturesource->getTexture(new_id);
 512                 }
 513         }
 514
 515         return spec;
 516 }
 517
 518 u8 MapNode::getMineral()
 519 {
 520         if(content_features(d).param_type == CPT_MINERAL)
 521         {
 522                 return param & 0x1f;
 523         }
 524
 525         return MINERAL_NONE;
 526 }
 527
 528 // Pointers to c_str()s g_content_features[i].inventory_image_path
 529 //const char * g_content_inventory_texture_paths[USEFUL_CONTENT_COUNT] = {0};
 530
 531 void init_content_inventory_texture_paths()
 532 {
 533         dstream<<"DEPRECATED "<<__FUNCTION_NAME<<std::endl;
 534         /*for(u16 i=0; i<USEFUL_CONTENT_COUNT; i++)
 535         {
 536                 g_content_inventory_texture_paths[i] =
 537                                 g_content_features[i].inventory_image_path.c_str();
 538         }*/
 539 }
 540