src/content_nodemeta.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 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 "content_nodemeta.h"
  21 #include "inventory.h"
  22 #include "content_mapnode.h"
  23 #include "log.h"
  24 #include "utility.h"
  25
  26 /*
  27         SignNodeMetadata
  28 */
  29
  30 // Prototype
  31 SignNodeMetadata proto_SignNodeMetadata(NULL, "");
  32
  33 SignNodeMetadata::SignNodeMetadata(IGameDef *gamedef, std::string text):
  34         NodeMetadata(gamedef),
  35         m_text(text)
  36 {
  37         NodeMetadata::registerType(typeId(), create);
  38 }
  39 u16 SignNodeMetadata::typeId() const
  40 {
  41         return CONTENT_SIGN_WALL;
  42 }
  43 NodeMetadata* SignNodeMetadata::create(std::istream &is, IGameDef *gamedef)
  44 {
  45         std::string text = deSerializeString(is);
  46         return new SignNodeMetadata(gamedef, text);
  47 }
  48 NodeMetadata* SignNodeMetadata::clone(IGameDef *gamedef)
  49 {
  50         return new SignNodeMetadata(gamedef, m_text);
  51 }
  52 void SignNodeMetadata::serializeBody(std::ostream &os)
  53 {
  54         os<<serializeString(m_text);
  55 }
  56 std::string SignNodeMetadata::infoText()
  57 {
  58         return std::string("\"")+m_text+"\"";
  59 }
  60
  61 /*
  62         ChestNodeMetadata
  63 */
  64
  65 // Prototype
  66 ChestNodeMetadata proto_ChestNodeMetadata(NULL);
  67
  68 ChestNodeMetadata::ChestNodeMetadata(IGameDef *gamedef):
  69         NodeMetadata(gamedef)
  70 {
  71         NodeMetadata::registerType(typeId(), create);
  72
  73         m_inventory = new Inventory();
  74         m_inventory->addList("0", 8*4);
  75 }
  76 ChestNodeMetadata::~ChestNodeMetadata()
  77 {
  78         delete m_inventory;
  79 }
  80 u16 ChestNodeMetadata::typeId() const
  81 {
  82         return CONTENT_CHEST;
  83 }
  84 NodeMetadata* ChestNodeMetadata::create(std::istream &is, IGameDef *gamedef)
  85 {
  86         ChestNodeMetadata *d = new ChestNodeMetadata(gamedef);
  87         d->m_inventory->deSerialize(is, gamedef);
  88         return d;
  89 }
  90 NodeMetadata* ChestNodeMetadata::clone(IGameDef *gamedef)
  91 {
  92         ChestNodeMetadata *d = new ChestNodeMetadata(gamedef);
  93         *d->m_inventory = *m_inventory;
  94         return d;
  95 }
  96 void ChestNodeMetadata::serializeBody(std::ostream &os)
  97 {
  98         m_inventory->serialize(os);
  99 }
 100 std::string ChestNodeMetadata::infoText()
 101 {
 102         return "Chest";
 103 }
 104 bool ChestNodeMetadata::nodeRemovalDisabled()
 105 {
 106         /*
 107                 Disable removal if chest contains something
 108         */
 109         InventoryList *list = m_inventory->getList("0");
 110         if(list == NULL)
 111                 return false;
 112         if(list->getUsedSlots() == 0)
 113                 return false;
 114         return true;
 115 }
 116 std::string ChestNodeMetadata::getInventoryDrawSpecString()
 117 {
 118         return
 119                 "invsize[8,9;]"
 120                 "list[current_name;0;0,0;8,4;]"
 121                 "list[current_player;main;0,5;8,4;]";
 122 }
 123
 124 /*
 125         LockingChestNodeMetadata
 126 */
 127
 128 // Prototype
 129 LockingChestNodeMetadata proto_LockingChestNodeMetadata(NULL);
 130
 131 LockingChestNodeMetadata::LockingChestNodeMetadata(IGameDef *gamedef):
 132         NodeMetadata(gamedef)
 133 {
 134         NodeMetadata::registerType(typeId(), create);
 135
 136         m_inventory = new Inventory();
 137         m_inventory->addList("0", 8*4);
 138 }
 139 LockingChestNodeMetadata::~LockingChestNodeMetadata()
 140 {
 141         delete m_inventory;
 142 }
 143 u16 LockingChestNodeMetadata::typeId() const
 144 {
 145         return CONTENT_LOCKABLE_CHEST;
 146 }
 147 NodeMetadata* LockingChestNodeMetadata::create(std::istream &is, IGameDef *gamedef)
 148 {
 149         LockingChestNodeMetadata *d = new LockingChestNodeMetadata(gamedef);
 150         d->setOwner(deSerializeString(is));
 151         d->m_inventory->deSerialize(is, gamedef);
 152         return d;
 153 }
 154 NodeMetadata* LockingChestNodeMetadata::clone(IGameDef *gamedef)
 155 {
 156         LockingChestNodeMetadata *d = new LockingChestNodeMetadata(gamedef);
 157         *d->m_inventory = *m_inventory;
 158         return d;
 159 }
 160 void LockingChestNodeMetadata::serializeBody(std::ostream &os)
 161 {
 162         os<<serializeString(m_text);
 163         m_inventory->serialize(os);
 164 }
 165 std::string LockingChestNodeMetadata::infoText()
 166 {
 167         return "Locking Chest";
 168 }
 169 bool LockingChestNodeMetadata::nodeRemovalDisabled()
 170 {
 171         /*
 172                 Disable removal if chest contains something
 173         */
 174         InventoryList *list = m_inventory->getList("0");
 175         if(list == NULL)
 176                 return false;
 177         if(list->getUsedSlots() == 0)
 178                 return false;
 179         return true;
 180 }
 181 std::string LockingChestNodeMetadata::getInventoryDrawSpecString()
 182 {
 183         return
 184                 "invsize[8,9;]"
 185                 "list[current_name;0;0,0;8,4;]"
 186                 "list[current_player;main;0,5;8,4;]";
 187 }
 188
 189 /*
 190         FurnaceNodeMetadata
 191 */
 192
 193 // Prototype
 194 FurnaceNodeMetadata proto_FurnaceNodeMetadata(NULL);
 195
 196 FurnaceNodeMetadata::FurnaceNodeMetadata(IGameDef *gamedef):
 197         NodeMetadata(gamedef)
 198 {
 199         NodeMetadata::registerType(typeId(), create);
 200
 201         m_inventory = new Inventory();
 202         m_inventory->addList("fuel", 1);
 203         m_inventory->addList("src", 1);
 204         m_inventory->addList("dst", 4);
 205
 206         m_step_accumulator = 0;
 207         m_fuel_totaltime = 0;
 208         m_fuel_time = 0;
 209         m_src_totaltime = 0;
 210         m_src_time = 0;
 211 }
 212 FurnaceNodeMetadata::~FurnaceNodeMetadata()
 213 {
 214         delete m_inventory;
 215 }
 216 u16 FurnaceNodeMetadata::typeId() const
 217 {
 218         return CONTENT_FURNACE;
 219 }
 220 NodeMetadata* FurnaceNodeMetadata::clone(IGameDef *gamedef)
 221 {
 222         FurnaceNodeMetadata *d = new FurnaceNodeMetadata(m_gamedef);
 223         *d->m_inventory = *m_inventory;
 224         return d;
 225 }
 226 NodeMetadata* FurnaceNodeMetadata::create(std::istream &is, IGameDef *gamedef)
 227 {
 228         FurnaceNodeMetadata *d = new FurnaceNodeMetadata(gamedef);
 229
 230         d->m_inventory->deSerialize(is, gamedef);
 231
 232         int temp;
 233         is>>temp;
 234         d->m_fuel_totaltime = (float)temp/10;
 235         is>>temp;
 236         d->m_fuel_time = (float)temp/10;
 237
 238         return d;
 239 }
 240 void FurnaceNodeMetadata::serializeBody(std::ostream &os)
 241 {
 242         m_inventory->serialize(os);
 243         os<<itos(m_fuel_totaltime*10)<<" ";
 244         os<<itos(m_fuel_time*10)<<" ";
 245 }
 246 std::string FurnaceNodeMetadata::infoText()
 247 {
 248         //return "Furnace";
 249         if(m_fuel_time >= m_fuel_totaltime)
 250         {
 251                 const InventoryList *src_list = m_inventory->getList("src");
 252                 assert(src_list);
 253                 const InventoryItem *src_item = src_list->getItem(0);
 254
 255                 if(src_item && src_item->isCookable()) {
 256                         InventoryList *dst_list = m_inventory->getList("dst");
 257                         if(!dst_list->roomForCookedItem(src_item))
 258                                 return "Furnace is overloaded";
 259                         return "Furnace is out of fuel";
 260                 }
 261                 else
 262                         return "Furnace is inactive";
 263         }
 264         else
 265         {
 266                 std::string s = "Furnace is active";
 267                 // Do this so it doesn't always show (0%) for weak fuel
 268                 if(m_fuel_totaltime > 3) {
 269                         s += " (";
 270                         s += itos(m_fuel_time/m_fuel_totaltime*100);
 271                         s += "%)";
 272                 }
 273                 return s;
 274         }
 275 }
 276 bool FurnaceNodeMetadata::nodeRemovalDisabled()
 277 {
 278         /*
 279                 Disable removal if furnace is not empty
 280         */
 281         InventoryList *list[3] = {m_inventory->getList("src"),
 282         m_inventory->getList("dst"), m_inventory->getList("fuel")};
 283
 284         for(int i = 0; i < 3; i++) {
 285                 if(list[i] == NULL)
 286                         continue;
 287                 if(list[i]->getUsedSlots() == 0)
 288                         continue;
 289                 return true;
 290         }
 291         return false;
 292
 293 }
 294 void FurnaceNodeMetadata::inventoryModified()
 295 {
 296         infostream<<"Furnace inventory modification callback"<<std::endl;
 297 }
 298 bool FurnaceNodeMetadata::step(float dtime)
 299 {
 300         if(dtime > 60.0)
 301                 infostream<<"Furnace stepping a long time ("<<dtime<<")"<<std::endl;
 302         // Update at a fixed frequency
 303         const float interval = 2.0;
 304         m_step_accumulator += dtime;
 305         bool changed = false;
 306         while(m_step_accumulator > interval)
 307         {
 308                 m_step_accumulator -= interval;
 309                 dtime = interval;
 310
 311                 //infostream<<"Furnace step dtime="<<dtime<<std::endl;
 312
 313                 InventoryList *dst_list = m_inventory->getList("dst");
 314                 assert(dst_list);
 315
 316                 InventoryList *src_list = m_inventory->getList("src");
 317                 assert(src_list);
 318                 InventoryItem *src_item = src_list->getItem(0);
 319
 320                 bool room_available = false;
 321
 322                 if(src_item && src_item->isCookable())
 323                         room_available = dst_list->roomForCookedItem(src_item);
 324
 325                 // Start only if there are free slots in dst, so that it can
 326                 // accomodate any result item
 327                 if(room_available)
 328                 {
 329                         m_src_totaltime = 3;
 330                 }
 331                 else
 332                 {
 333                         m_src_time = 0;
 334                         m_src_totaltime = 0;
 335                 }
 336
 337                 /*
 338                         If fuel is burning, increment the burn counters.
 339                         If item finishes cooking, move it to result.
 340                 */
 341                 if(m_fuel_time < m_fuel_totaltime)
 342                 {
 343                         //infostream<<"Furnace is active"<<std::endl;
 344                         m_fuel_time += dtime;
 345                         m_src_time += dtime;
 346                         if(m_src_time >= m_src_totaltime && m_src_totaltime > 0.001
 347                                         && src_item)
 348                         {
 349                                 InventoryItem *cookresult = src_item->createCookResult();
 350                                 dst_list->addItem(cookresult);
 351                                 src_list->decrementMaterials(1);
 352                                 m_src_time = 0;
 353                                 m_src_totaltime = 0;
 354                         }
 355                         changed = true;
 356
 357                         // If the fuel was not used up this step, just keep burning it
 358                         if(m_fuel_time < m_fuel_totaltime)
 359                                 continue;
 360                 }
 361
 362                 /*
 363                         Get the source again in case it has all burned
 364                 */
 365                 src_item = src_list->getItem(0);
 366
 367                 /*
 368                         If there is no source item, or the source item is not cookable,
 369                         or the furnace is still cooking, or the furnace became overloaded, stop loop.
 370                 */
 371                 if(src_item == NULL || !room_available || m_fuel_time < m_fuel_totaltime ||
 372                         dst_list->roomForCookedItem(src_item) == false)
 373                 {
 374                         m_step_accumulator = 0;
 375                         break;
 376                 }
 377
 378                 //infostream<<"Furnace is out of fuel"<<std::endl;
 379
 380                 InventoryList *fuel_list = m_inventory->getList("fuel");
 381                 assert(fuel_list);
 382                 const InventoryItem *fuel_item = fuel_list->getItem(0);
 383
 384                 if(ItemSpec(ITEM_MATERIAL, CONTENT_TREE).checkItem(fuel_item))
 385                 {
 386                         m_fuel_totaltime = 30;
 387                         m_fuel_time = 0;
 388                         fuel_list->decrementMaterials(1);
 389                         changed = true;
 390                 }
 391                 else if(ItemSpec(ITEM_MATERIAL, CONTENT_JUNGLETREE).checkItem(fuel_item))
 392                 {
 393                         m_fuel_totaltime = 30;
 394                         m_fuel_time = 0;
 395                         fuel_list->decrementMaterials(1);
 396                         changed = true;
 397                 }
 398                 else if(ItemSpec(ITEM_MATERIAL, CONTENT_FENCE).checkItem(fuel_item))
 399                 {
 400                         m_fuel_totaltime = 30/2;
 401                         m_fuel_time = 0;
 402                         fuel_list->decrementMaterials(1);
 403                         changed = true;
 404                 }
 405                 else if(ItemSpec(ITEM_MATERIAL, CONTENT_WOOD).checkItem(fuel_item))
 406                 {
 407                         m_fuel_totaltime = 30/4;
 408                         m_fuel_time = 0;
 409                         fuel_list->decrementMaterials(1);
 410                         changed = true;
 411                 }
 412                 else if(ItemSpec(ITEM_MATERIAL, CONTENT_BOOKSHELF).checkItem(fuel_item))
 413                 {
 414                         m_fuel_totaltime = 30/4;
 415                         m_fuel_time = 0;
 416                         fuel_list->decrementMaterials(1);
 417                         changed = true;
 418                 }
 419                 else if(ItemSpec(ITEM_MATERIAL, CONTENT_LEAVES).checkItem(fuel_item))
 420                 {
 421                         m_fuel_totaltime = 30/16;
 422                         m_fuel_time = 0;
 423                         fuel_list->decrementMaterials(1);
 424                         changed = true;
 425                 }
 426                 else if(ItemSpec(ITEM_MATERIAL, CONTENT_PAPYRUS).checkItem(fuel_item))
 427                 {
 428                         m_fuel_totaltime = 30/32;
 429                         m_fuel_time = 0;
 430                         fuel_list->decrementMaterials(1);
 431                         changed = true;
 432                 }
 433                 else if(ItemSpec(ITEM_MATERIAL, CONTENT_JUNGLEGRASS).checkItem(fuel_item))
 434                 {
 435                         m_fuel_totaltime = 30/32;
 436                         m_fuel_time = 0;
 437                         fuel_list->decrementMaterials(1);
 438                         changed = true;
 439                 }
 440                 else if(ItemSpec(ITEM_MATERIAL, CONTENT_CACTUS).checkItem(fuel_item))
 441                 {
 442                         m_fuel_totaltime = 30/4;
 443                         m_fuel_time = 0;
 444                         fuel_list->decrementMaterials(1);
 445                         changed = true;
 446                 }
 447                 else if(ItemSpec(ITEM_CRAFT, "Stick").checkItem(fuel_item))
 448                 {
 449                         m_fuel_totaltime = 30/4/4;
 450                         m_fuel_time = 0;
 451                         fuel_list->decrementMaterials(1);
 452                         changed = true;
 453                 }
 454                 else if(ItemSpec(ITEM_CRAFT, "lump_of_coal").checkItem(fuel_item))
 455                 {
 456                         m_fuel_totaltime = 40;
 457                         m_fuel_time = 0;
 458                         fuel_list->decrementMaterials(1);
 459                         changed = true;
 460                 }
 461                 else
 462                 {
 463                         //infostream<<"No fuel found"<<std::endl;
 464                         // No fuel, stop loop.
 465                         m_step_accumulator = 0;
 466                         break;
 467                 }
 468         }
 469         return changed;
 470 }
 471 std::string FurnaceNodeMetadata::getInventoryDrawSpecString()
 472 {
 473         return
 474                 "invsize[8,9;]"
 475                 "list[current_name;fuel;2,3;1,1;]"
 476                 "list[current_name;src;2,1;1,1;]"
 477                 "list[current_name;dst;5,1;2,2;]"
 478                 "list[current_player;main;0,5;8,4;]";
 479 }
 480
 481