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_TREE;
 193         f = &g_content_features[i];
 194         f->setAllTextures("tree.png");
 195         f->setTexture(0, "tree_top.png");
 196         f->setTexture(1, "tree_top.png");
 197         f->param_type = CPT_MINERAL;
 198         f->is_ground_content = true;
 199         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 200
 201         i = CONTENT_LEAVES;
 202         f = &g_content_features[i];
 203         f->light_propagates = true;
 204         //f->param_type = CPT_MINERAL;
 205         f->param_type = CPT_LIGHT;
 206         f->is_ground_content = true;
 207         if(new_style_leaves)
 208         {
 209                 f->solidness = 0; // drawn separately, makes no faces
 210                 f->setInventoryTextureCube("leaves.png", "leaves.png", "leaves.png");
 211         }
 212         else
 213         {
 214                 f->setAllTextures("[noalpha:leaves.png");
 215         }
 216         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 217
 218         i = CONTENT_CACTUS;
 219         f = &g_content_features[i];
 220         f->setAllTextures("cactus_side.png");
 221         f->setTexture(0, "cactus_top.png");
 222         f->setTexture(1, "cactus_top.png");
 223         f->setInventoryTextureCube("cactus_top.png", "cactus_side.png", "cactus_side.png");
 224         f->param_type = CPT_MINERAL;
 225         f->is_ground_content = true;
 226         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 227
 228         i = CONTENT_GLASS;
 229         f = &g_content_features[i];
 230         f->light_propagates = true;
 231         f->param_type = CPT_LIGHT;
 232         f->is_ground_content = true;
 233         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 234         f->solidness = 0; // drawn separately, makes no faces
 235         f->setInventoryTextureCube("glass.png", "glass.png", "glass.png");
 236
 237         i = CONTENT_FENCE;
 238         f = &g_content_features[i];
 239         f->light_propagates = true;
 240         f->param_type = CPT_LIGHT;
 241         f->is_ground_content = true;
 242         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 243         f->solidness = 0; // drawn separately, makes no faces
 244         f->air_equivalent = true; // grass grows underneath
 245
 246         // Deprecated
 247         i = CONTENT_COALSTONE;
 248         f = &g_content_features[i];
 249         //f->translate_to = new MapNode(CONTENT_STONE, MINERAL_COAL);
 250         f->setAllTextures("stone.png^mineral_coal.png");
 251         f->is_ground_content = true;
 252
 253         i = CONTENT_WOOD;
 254         f = &g_content_features[i];
 255         f->setAllTextures("wood.png");
 256         f->is_ground_content = true;
 257         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 258
 259         i = CONTENT_MESE;
 260         f = &g_content_features[i];
 261         f->setAllTextures("mese.png");
 262         f->is_ground_content = true;
 263         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 264
 265         i = CONTENT_CLOUD;
 266         f = &g_content_features[i];
 267         f->setAllTextures("cloud.png");
 268         f->is_ground_content = true;
 269         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 270
 271         i = CONTENT_AIR;
 272         f = &g_content_features[i];
 273         f->param_type = CPT_LIGHT;
 274         f->light_propagates = true;
 275         f->sunlight_propagates = true;
 276         f->solidness = 0;
 277         f->walkable = false;
 278         f->pointable = false;
 279         f->diggable = false;
 280         f->buildable_to = true;
 281         f->air_equivalent = true;
 282
 283         i = CONTENT_WATER;
 284         f = &g_content_features[i];
 285         f->setInventoryTextureCube("water.png", "water.png", "water.png");
 286         f->param_type = CPT_LIGHT;
 287         f->light_propagates = true;
 288         f->solidness = 0; // Drawn separately, makes no faces
 289         f->walkable = false;
 290         f->pointable = false;
 291         f->diggable = false;
 292         f->buildable_to = true;
 293         f->liquid_type = LIQUID_FLOWING;
 294
 295         i = CONTENT_WATERSOURCE;
 296         f = &g_content_features[i];
 297         f->setInventoryTexture("water.png");
 298         if(new_style_water)
 299         {
 300                 f->solidness = 0; // drawn separately, makes no faces
 301         }
 302         else // old style
 303         {
 304                 f->solidness = 1;
 305
 306                 TileSpec t;
 307                 if(g_texturesource)
 308                         t.texture = g_texturesource->getTexture("water.png");
 309
 310                 t.alpha = WATER_ALPHA;
 311                 t.material_type = MATERIAL_ALPHA_VERTEX;
 312                 t.material_flags &= ~MATERIAL_FLAG_BACKFACE_CULLING;
 313                 f->setAllTiles(t);
 314         }
 315         f->param_type = CPT_LIGHT;
 316         f->light_propagates = true;
 317         f->walkable = false;
 318         f->pointable = false;
 319         f->diggable = false;
 320         f->buildable_to = true;
 321         f->liquid_type = LIQUID_SOURCE;
 322         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 323
 324         i = CONTENT_TORCH;
 325         f = &g_content_features[i];
 326         f->setInventoryTexture("torch_on_floor.png");
 327         f->param_type = CPT_LIGHT;
 328         f->light_propagates = true;
 329         f->sunlight_propagates = true;
 330         f->solidness = 0; // drawn separately, makes no faces
 331         f->walkable = false;
 332         f->wall_mounted = true;
 333         f->air_equivalent = true;
 334         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 335
 336         i = CONTENT_SIGN_WALL;
 337         f = &g_content_features[i];
 338         f->setInventoryTexture("sign_wall.png");
 339         f->param_type = CPT_LIGHT;
 340         f->light_propagates = true;
 341         f->sunlight_propagates = true;
 342         f->solidness = 0; // drawn separately, makes no faces
 343         f->walkable = false;
 344         f->wall_mounted = true;
 345         f->air_equivalent = true;
 346         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 347         if(f->initial_metadata == NULL)
 348                 f->initial_metadata = new SignNodeMetadata("Some sign");
 349
 350         i = CONTENT_CHEST;
 351         f = &g_content_features[i];
 352         f->param_type = CPT_FACEDIR_SIMPLE;
 353         f->setAllTextures("chest_side.png");
 354         f->setTexture(0, "chest_top.png");
 355         f->setTexture(1, "chest_top.png");
 356         f->setTexture(5, "chest_front.png"); // Z-
 357         f->setInventoryTexture("chest_top.png");
 358         //f->setInventoryTextureCube("chest_top.png", "chest_side.png", "chest_side.png");
 359         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 360         if(f->initial_metadata == NULL)
 361                 f->initial_metadata = new ChestNodeMetadata();
 362
 363         i = CONTENT_FURNACE;
 364         f = &g_content_features[i];
 365         f->param_type = CPT_FACEDIR_SIMPLE;
 366         f->setAllTextures("furnace_side.png");
 367         f->setTexture(5, "furnace_front.png"); // Z-
 368         f->setInventoryTexture("furnace_front.png");
 369         //f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 370         f->dug_item = std::string("MaterialItem ")+itos(CONTENT_COBBLE)+" 6";
 371         if(f->initial_metadata == NULL)
 372                 f->initial_metadata = new FurnaceNodeMetadata();
 373
 374         i = CONTENT_COBBLE;
 375         f = &g_content_features[i];
 376         f->setAllTextures("cobble.png");
 377         f->setInventoryTextureCube("cobble.png", "cobble.png", "cobble.png");
 378         f->param_type = CPT_NONE;
 379         f->is_ground_content = true;
 380         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 381
 382         i = CONTENT_STEEL;
 383         f = &g_content_features[i];
 384         f->setAllTextures("steel_block.png");
 385         f->setInventoryTextureCube("steel_block.png", "steel_block.png",
 386                         "steel_block.png");
 387         f->param_type = CPT_NONE;
 388         f->is_ground_content = true;
 389         f->dug_item = std::string("MaterialItem ")+itos(i)+" 1";
 390
 391         // NOTE: Remember to add frequently used stuff to the texture atlas in tile.cpp
 392 }
 393
 394 v3s16 facedir_rotate(u8 facedir, v3s16 dir)
 395 {
 396         /*
 397                 Face 2 (normally Z-) direction:
 398                 facedir=0: Z-
 399                 facedir=1: X-
 400                 facedir=2: Z+
 401                 facedir=3: X+
 402         */
 403         v3s16 newdir;
 404         if(facedir==0) // Same
 405                 newdir = v3s16(dir.X, dir.Y, dir.Z);
 406         else if(facedir == 1) // Face is taken from rotXZccv(-90)
 407                 newdir = v3s16(-dir.Z, dir.Y, dir.X);
 408         else if(facedir == 2) // Face is taken from rotXZccv(180)
 409                 newdir = v3s16(-dir.X, dir.Y, -dir.Z);
 410         else if(facedir == 3) // Face is taken from rotXZccv(90)
 411                 newdir = v3s16(dir.Z, dir.Y, -dir.X);
 412         else
 413                 newdir = dir;
 414         return newdir;
 415 }
 416
 417 TileSpec MapNode::getTile(v3s16 dir)
 418 {
 419         if(content_features(d).param_type == CPT_FACEDIR_SIMPLE)
 420                 dir = facedir_rotate(param1, dir);
 421
 422         TileSpec spec;
 423
 424         s32 dir_i = -1;
 425
 426         if(dir == v3s16(0,0,0))
 427                 dir_i = -1;
 428         else if(dir == v3s16(0,1,0))
 429                 dir_i = 0;
 430         else if(dir == v3s16(0,-1,0))
 431                 dir_i = 1;
 432         else if(dir == v3s16(1,0,0))
 433                 dir_i = 2;
 434         else if(dir == v3s16(-1,0,0))
 435                 dir_i = 3;
 436         else if(dir == v3s16(0,0,1))
 437                 dir_i = 4;
 438         else if(dir == v3s16(0,0,-1))
 439                 dir_i = 5;
 440
 441         if(dir_i == -1)
 442                 // Non-directional
 443                 spec = content_features(d).tiles[0];
 444         else
 445                 spec = content_features(d).tiles[dir_i];
 446
 447         /*
 448                 If it contains some mineral, change texture id
 449         */
 450         if(content_features(d).param_type == CPT_MINERAL && g_texturesource)
 451         {
 452                 u8 mineral = param & 0x1f;
 453                 std::string mineral_texture_name = mineral_block_texture(mineral);
 454                 if(mineral_texture_name != "")
 455                 {
 456                         u32 orig_id = spec.texture.id;
 457                         std::string texture_name = g_texturesource->getTextureName(orig_id);
 458                         //texture_name += "^blit:";
 459                         texture_name += "^";
 460                         texture_name += mineral_texture_name;
 461                         u32 new_id = g_texturesource->getTextureId(texture_name);
 462                         spec.texture = g_texturesource->getTexture(new_id);
 463                 }
 464         }
 465
 466         return spec;
 467 }
 468
 469 u8 MapNode::getMineral()
 470 {
 471         if(content_features(d).param_type == CPT_MINERAL)
 472         {
 473                 return param & 0x1f;
 474         }
 475
 476         return MINERAL_NONE;
 477 }
 478
 479 // Pointers to c_str()s g_content_features[i].inventory_image_path
 480 //const char * g_content_inventory_texture_paths[USEFUL_CONTENT_COUNT] = {0};
 481
 482 void init_content_inventory_texture_paths()
 483 {
 484         dstream<<"DEPRECATED "<<__FUNCTION_NAME<<std::endl;
 485         /*for(u16 i=0; i<USEFUL_CONTENT_COUNT; i++)
 486         {
 487                 g_content_inventory_texture_paths[i] =
 488                                 g_content_features[i].inventory_image_path.c_str();
 489         }*/
 490 }
 491