src/game/Item.cpp

   1 /*
   2  * Copyright (C) 2005-2008 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "Common.h"
  20 #include "Item.h"
  21 #include "ObjectMgr.h"
  22 #include "WorldPacket.h"
  23 #include "Database/DatabaseEnv.h"
  24 #include "ItemEnchantmentMgr.h"
  25
  26 void AddItemsSetItem(Player*player,Item *item)
  27 {
  28     ItemPrototype const *proto = item->GetProto();
  29     uint32 setid = proto->ItemSet;
  30
  31     ItemSetEntry const *set = sItemSetStore.LookupEntry(setid);
  32
  33     if(!set)
  34     {
  35         sLog.outErrorDb("Item set %u for item (id %u) not found, mods not applied.",setid,proto->ItemId);
  36         return;
  37     }
  38
  39     if( set->required_skill_id && player->GetSkillValue(set->required_skill_id) < set->required_skill_value )
  40         return;
  41
  42     ItemSetEffect *eff = NULL;
  43
  44     for(size_t x = 0; x < player->ItemSetEff.size(); ++x)
  45     {
  46         if(player->ItemSetEff[x] && player->ItemSetEff[x]->setid == setid)
  47         {
  48             eff = player->ItemSetEff[x];
  49             break;
  50         }
  51     }
  52
  53     if(!eff)
  54     {
  55         eff = new ItemSetEffect;
  56         memset(eff,0,sizeof(ItemSetEffect));
  57         eff->setid = setid;
  58
  59         size_t x = 0;
  60         for(; x < player->ItemSetEff.size(); x++)
  61             if(!player->ItemSetEff[x])
  62                 break;
  63
  64         if(x < player->ItemSetEff.size())
  65             player->ItemSetEff[x]=eff;
  66         else
  67             player->ItemSetEff.push_back(eff);
  68     }
  69
  70     ++eff->item_count;
  71
  72     for(uint32 x=0;x<8;x++)
  73     {
  74         if(!set->spells [x])
  75             continue;
  76         //not enough for  spell
  77         if(set->items_to_triggerspell[x] > eff->item_count)
  78             continue;
  79
  80         uint32 z=0;
  81         for(;z<8;z++)
  82             if(eff->spells[z] && eff->spells[z]->Id==set->spells[x])
  83                 break;
  84
  85         if(z < 8)
  86             continue;
  87
  88         //new spell
  89         for(uint32 y=0;y<8;y++)
  90         {
  91             if(!eff->spells[y])                             // free slot
  92             {
  93                 SpellEntry const *spellInfo = sSpellStore.LookupEntry(set->spells[x]);
  94                 if(!spellInfo)
  95                 {
  96                     sLog.outError("WORLD: unknown spell id %u in items set %u effects", set->spells[x],setid);
  97                     break;
  98                 }
  99
 100                 // spell casted only if fit form requirement, in other case will casted at form change
 101                 player->ApplyEquipSpell(spellInfo,NULL,true);
 102                 eff->spells[y] = spellInfo;
 103                 break;
 104             }
 105         }
 106     }
 107 }
 108
 109 void RemoveItemsSetItem(Player*player,ItemPrototype const *proto)
 110 {
 111     uint32 setid = proto->ItemSet;
 112
 113     ItemSetEntry const *set = sItemSetStore.LookupEntry(setid);
 114
 115     if(!set)
 116     {
 117         sLog.outErrorDb("Item set #%u for item #%u not found, mods not removed.",setid,proto->ItemId);
 118         return;
 119     }
 120
 121     ItemSetEffect *eff = NULL;
 122     size_t setindex = 0;
 123     for(;setindex < player->ItemSetEff.size(); setindex++)
 124     {
 125         if(player->ItemSetEff[setindex] && player->ItemSetEff[setindex]->setid == setid)
 126         {
 127             eff = player->ItemSetEff[setindex];
 128             break;
 129         }
 130     }
 131
 132     // can be in case now enough skill requirement for set appling but set has been appliend when skill requirement not enough
 133     if(!eff)
 134         return;
 135
 136     --eff->item_count;
 137
 138     for(uint32 x=0;x<8;x++)
 139     {
 140         if(!set->spells[x])
 141             continue;
 142
 143         // enough for spell
 144         if(set->items_to_triggerspell[x] <= eff->item_count)
 145             continue;
 146
 147         for(uint32 z=0;z<8;z++)
 148         {
 149             if(eff->spells[z] && eff->spells[z]->Id==set->spells[x])
 150             {
 151                 // spell can be not active if not fit form requirement
 152                 player->ApplyEquipSpell(eff->spells[z],NULL,false);
 153                 eff->spells[z]=NULL;
 154                 break;
 155             }
 156         }
 157     }
 158
 159     if(!eff->item_count)                                    //all items of a set were removed
 160     {
 161         assert(eff == player->ItemSetEff[setindex]);
 162         delete eff;
 163         player->ItemSetEff[setindex] = NULL;
 164     }
 165 }
 166
 167 bool ItemCanGoIntoBag(ItemPrototype const *pProto, ItemPrototype const *pBagProto)
 168 {
 169     if(!pProto || !pBagProto)
 170         return false;
 171
 172     switch(pBagProto->Class)
 173     {
 174         case ITEM_CLASS_CONTAINER:
 175             switch(pBagProto->SubClass)
 176             {
 177                 case ITEM_SUBCLASS_CONTAINER:
 178                     return true;
 179                 case ITEM_SUBCLASS_SOUL_CONTAINER:
 180                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_SOUL_SHARDS))
 181                         return false;
 182                     return true;
 183                 case ITEM_SUBCLASS_HERB_CONTAINER:
 184                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_HERBS))
 185                         return false;
 186                     return true;
 187                 case ITEM_SUBCLASS_ENCHANTING_CONTAINER:
 188                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_ENCHANTING_SUPP))
 189                         return false;
 190                     return true;
 191                 case ITEM_SUBCLASS_MINING_CONTAINER:
 192                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_MINING_SUPP))
 193                         return false;
 194                     return true;
 195                 case ITEM_SUBCLASS_ENGINEERING_CONTAINER:
 196                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_ENGINEERING_SUPP))
 197                         return false;
 198                     return true;
 199                 case ITEM_SUBCLASS_GEM_CONTAINER:
 200                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_GEMS))
 201                         return false;
 202                     return true;
 203                 case ITEM_SUBCLASS_LEATHERWORKING_CONTAINER:
 204                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_LEATHERWORKING_SUPP))
 205                         return false;
 206                     return true;
 207                 default:
 208                     return false;
 209             }
 210         case ITEM_CLASS_QUIVER:
 211             switch(pBagProto->SubClass)
 212             {
 213                 case ITEM_SUBCLASS_QUIVER:
 214                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_ARROWS))
 215                         return false;
 216                     return true;
 217                 case ITEM_SUBCLASS_AMMO_POUCH:
 218                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_BULLETS))
 219                         return false;
 220                     return true;
 221                 default:
 222                     return false;
 223             }
 224     }
 225     return false;
 226 }
 227
 228 Item::Item( )
 229 {
 230     m_objectType |= TYPEMASK_ITEM;
 231     m_objectTypeId = TYPEID_ITEM;
 232                                                             // 2.3.2 - 0x18
 233     m_updateFlag = (UPDATEFLAG_LOWGUID | UPDATEFLAG_HIGHGUID);
 234
 235     m_valuesCount = ITEM_END;
 236     m_slot = 0;
 237     uState = ITEM_NEW;
 238     uQueuePos = -1;
 239     m_container = NULL;
 240     m_lootGenerated = false;
 241     mb_in_trade = false;
 242 }
 243
 244 bool Item::Create( uint32 guidlow, uint32 itemid, Player const* owner)
 245 {
 246     Object::_Create( guidlow, 0, HIGHGUID_ITEM );
 247
 248     SetEntry(itemid);
 249     SetFloatValue(OBJECT_FIELD_SCALE_X, 1.0f);
 250
 251     SetUInt64Value(ITEM_FIELD_OWNER, owner ? owner->GetGUID() : 0);
 252     SetUInt64Value(ITEM_FIELD_CONTAINED, owner ? owner->GetGUID() : 0);
 253
 254     ItemPrototype const *itemProto = objmgr.GetItemPrototype(itemid);
 255     if(!itemProto)
 256         return false;
 257
 258     SetUInt32Value(ITEM_FIELD_STACK_COUNT, 1);
 259     SetUInt32Value(ITEM_FIELD_MAXDURABILITY, itemProto->MaxDurability);
 260     SetUInt32Value(ITEM_FIELD_DURABILITY, itemProto->MaxDurability);
 261
 262     for(int i = 0; i < 5; ++i)
 263         SetSpellCharges(i,itemProto->Spells[i].SpellCharges);
 264
 265     SetUInt32Value(ITEM_FIELD_FLAGS, itemProto->Flags);
 266     SetUInt32Value(ITEM_FIELD_DURATION, abs(itemProto->Duration));
 267
 268     return true;
 269 }
 270
 271 void Item::UpdateDuration(Player* owner, uint32 diff)
 272 {
 273     if (!GetUInt32Value(ITEM_FIELD_DURATION))
 274         return;
 275
 276     sLog.outDebug("Item::UpdateDuration Item (Entry: %u Duration %u Diff %u)",GetEntry(),GetUInt32Value(ITEM_FIELD_DURATION),diff);
 277
 278     if (GetUInt32Value(ITEM_FIELD_DURATION)<=diff)
 279     {
 280         owner->DestroyItem(GetBagSlot(), GetSlot(), true);
 281         return;
 282     }
 283
 284     SetUInt32Value(ITEM_FIELD_DURATION, GetUInt32Value(ITEM_FIELD_DURATION) - diff);
 285     SetState(ITEM_CHANGED);                                 // save new time in database
 286 }
 287
 288 void Item::SaveToDB()
 289 {
 290     uint32 guid = GetGUIDLow();
 291     switch (uState)
 292     {
 293         case ITEM_NEW:
 294         {
 295             CharacterDatabase.PExecute( "DELETE FROM item_instance WHERE guid = '%u'", guid );
 296             std::ostringstream ss;
 297             ss << "INSERT INTO item_instance (guid,owner_guid,data) VALUES (" << guid << "," << GUID_LOPART(GetOwnerGUID()) << ",'";
 298             for(uint16 i = 0; i < m_valuesCount; i++ )
 299                 ss << GetUInt32Value(i) << " ";
 300             ss << "' )";
 301             CharacterDatabase.Execute( ss.str().c_str() );
 302         } break;
 303         case ITEM_CHANGED:
 304         {
 305             std::ostringstream ss;
 306             ss << "UPDATE item_instance SET data = '";
 307             for(uint16 i = 0; i < m_valuesCount; i++ )
 308                 ss << GetUInt32Value(i) << " ";
 309             ss << "', owner_guid = '" << GUID_LOPART(GetOwnerGUID()) << "' WHERE guid = '" << guid << "'";
 310
 311             CharacterDatabase.Execute( ss.str().c_str() );
 312
 313             if(HasFlag(ITEM_FIELD_FLAGS, ITEM_FLAGS_WRAPPED))
 314                 CharacterDatabase.PExecute("UPDATE character_gifts SET guid = '%u' WHERE item_guid = '%u'", GUID_LOPART(GetOwnerGUID()),GetGUIDLow());
 315         } break;
 316         case ITEM_REMOVED:
 317         {
 318             if (GetUInt32Value(ITEM_FIELD_ITEM_TEXT_ID) > 0 )
 319                 CharacterDatabase.PExecute("DELETE FROM item_text WHERE id = '%u'", GetUInt32Value(ITEM_FIELD_ITEM_TEXT_ID));
 320             CharacterDatabase.PExecute("DELETE FROM item_instance WHERE guid = '%u'", guid);
 321             if(HasFlag(ITEM_FIELD_FLAGS, ITEM_FLAGS_WRAPPED))
 322                 CharacterDatabase.PExecute("DELETE FROM character_gifts WHERE item_guid = '%u'", GetGUIDLow());
 323             delete this;
 324             return;
 325         }
 326         case ITEM_UNCHANGED:
 327             break;
 328     }
 329     SetState(ITEM_UNCHANGED);
 330 }
 331
 332 bool Item::LoadFromDB(uint32 guid, uint64 owner_guid, QueryResult *result)
 333 {
 334     // create item before any checks for store correct guid
 335     // and allow use "FSetState(ITEM_REMOVED); SaveToDB();" for deleting item from DB
 336     Object::_Create(guid, 0, HIGHGUID_ITEM);
 337
 338     bool delete_result = false;
 339     if(!result)
 340     {
 341         result = CharacterDatabase.PQuery("SELECT data FROM item_instance WHERE guid = '%u'", guid);
 342         delete_result = true;
 343     }
 344
 345     if (!result)
 346     {
 347         sLog.outError("ERROR: Item (GUID: %u owner: %u) not found in table `item_instance`, can't load. ",guid,GUID_LOPART(owner_guid));
 348         return false;
 349     }
 350
 351     Field *fields = result->Fetch();
 352
 353     if(!LoadValues(fields[0].GetString()))
 354     {
 355         sLog.outError("ERROR: Item #%d have broken data in `data` field. Can't be loaded.",guid);
 356         if (delete_result) delete result;
 357         return false;
 358     }
 359
 360     bool need_save = false;                                 // need explicit save data at load fixes
 361
 362     // overwrite possible wrong/corrupted guid
 363     uint64 new_item_guid = MAKE_NEW_GUID(guid,0, HIGHGUID_ITEM);
 364     if(GetUInt64Value(OBJECT_FIELD_GUID) != new_item_guid)
 365     {
 366         SetUInt64Value(OBJECT_FIELD_GUID, MAKE_NEW_GUID(guid,0, HIGHGUID_ITEM));
 367         need_save = true;
 368     }
 369
 370     if (delete_result) delete result;
 371
 372     ItemPrototype const* proto = GetProto();
 373     if(!proto)
 374         return false;
 375
 376     // recalculate suffix factor
 377     if(GetItemRandomPropertyId() < 0)
 378     {
 379         if(UpdateItemSuffixFactor())
 380             need_save = true;
 381     }
 382
 383     // Remove bind flag for items vs NO_BIND set
 384     if (IsSoulBound() && proto->Bonding == NO_BIND)
 385     {
 386         ApplyModFlag(ITEM_FIELD_FLAGS,ITEM_FLAGS_BINDED, false);
 387         need_save = true;
 388     }
 389
 390     // update duration if need, and remove if not need
 391     if((proto->Duration==0) != (GetUInt32Value(ITEM_FIELD_DURATION)==0))
 392     {
 393         SetUInt32Value(ITEM_FIELD_DURATION,abs(proto->Duration));
 394         need_save = true;
 395     }
 396
 397     // set correct owner
 398     if(owner_guid != 0 && GetOwnerGUID() != owner_guid)
 399     {
 400         SetOwnerGUID(owner_guid);
 401         need_save = true;
 402     }
 403
 404     if(need_save)                                           // normal item changed state set not work at loading
 405     {
 406         std::ostringstream ss;
 407         ss << "UPDATE item_instance SET data = '";
 408         for(uint16 i = 0; i < m_valuesCount; i++ )
 409             ss << GetUInt32Value(i) << " ";
 410         ss << "', owner_guid = '" << GUID_LOPART(GetOwnerGUID()) << "' WHERE guid = '" << guid << "'";
 411
 412         CharacterDatabase.Execute( ss.str().c_str() );
 413     }
 414
 415     return true;
 416 }
 417
 418 void Item::DeleteFromDB()
 419 {
 420     CharacterDatabase.PExecute("DELETE FROM item_instance WHERE guid = '%u'",GetGUIDLow());
 421 }
 422
 423 void Item::DeleteFromInventoryDB()
 424 {
 425     CharacterDatabase.PExecute("DELETE FROM character_inventory WHERE item = '%u'",GetGUIDLow());
 426 }
 427
 428 ItemPrototype const *Item::GetProto() const
 429 {
 430     return objmgr.GetItemPrototype(GetEntry());
 431 }
 432
 433 Player* Item::GetOwner()const
 434 {
 435     return objmgr.GetPlayer(GetOwnerGUID());
 436 }
 437
 438 uint32 Item::GetSkill()
 439 {
 440     const static uint32 item_weapon_skills[MAX_ITEM_SUBCLASS_WEAPON] =
 441     {
 442         SKILL_AXES,     SKILL_2H_AXES,  SKILL_BOWS,          SKILL_GUNS,      SKILL_MACES,
 443         SKILL_2H_MACES, SKILL_POLEARMS, SKILL_SWORDS,        SKILL_2H_SWORDS, 0,
 444         SKILL_STAVES,   0,              0,                   SKILL_UNARMED,   0,
 445         SKILL_DAGGERS,  SKILL_THROWN,   SKILL_ASSASSINATION, SKILL_CROSSBOWS, SKILL_WANDS,
 446         SKILL_FISHING
 447     };
 448
 449     const static uint32 item_armor_skills[MAX_ITEM_SUBCLASS_ARMOR] =
 450     {
 451         0,SKILL_CLOTH,SKILL_LEATHER,SKILL_MAIL,SKILL_PLATE_MAIL,0,SKILL_SHIELD,0,0,0
 452     };
 453
 454     ItemPrototype const* proto = GetProto();
 455
 456     switch (proto->Class)
 457     {
 458         case ITEM_CLASS_WEAPON:
 459             if( proto->SubClass >= MAX_ITEM_SUBCLASS_WEAPON )
 460                 return 0;
 461             else
 462                 return item_weapon_skills[proto->SubClass];
 463
 464         case ITEM_CLASS_ARMOR:
 465             if( proto->SubClass >= MAX_ITEM_SUBCLASS_ARMOR )
 466                 return 0;
 467             else
 468                 return item_armor_skills[proto->SubClass];
 469
 470         default:
 471             return 0;
 472     }
 473 }
 474
 475 uint32 Item::GetSpell()
 476 {
 477     ItemPrototype const* proto = GetProto();
 478
 479     switch (proto->Class)
 480     {
 481         case ITEM_CLASS_WEAPON:
 482             switch (proto->SubClass)
 483             {
 484                 case ITEM_SUBCLASS_WEAPON_AXE:     return  196;
 485                 case ITEM_SUBCLASS_WEAPON_AXE2:    return  197;
 486                 case ITEM_SUBCLASS_WEAPON_BOW:     return  264;
 487                 case ITEM_SUBCLASS_WEAPON_GUN:     return  266;
 488                 case ITEM_SUBCLASS_WEAPON_MACE:    return  198;
 489                 case ITEM_SUBCLASS_WEAPON_MACE2:   return  199;
 490                 case ITEM_SUBCLASS_WEAPON_POLEARM: return  200;
 491                 case ITEM_SUBCLASS_WEAPON_SWORD:   return  201;
 492                 case ITEM_SUBCLASS_WEAPON_SWORD2:  return  202;
 493                 case ITEM_SUBCLASS_WEAPON_STAFF:   return  227;
 494                 case ITEM_SUBCLASS_WEAPON_DAGGER:  return 1180;
 495                 case ITEM_SUBCLASS_WEAPON_THROWN:  return 2567;
 496                 case ITEM_SUBCLASS_WEAPON_SPEAR:   return 3386;
 497                 case ITEM_SUBCLASS_WEAPON_CROSSBOW:return 5011;
 498                 case ITEM_SUBCLASS_WEAPON_WAND:    return 5009;
 499                 default: return 0;
 500             }
 501         case ITEM_CLASS_ARMOR:
 502             switch(proto->SubClass)
 503             {
 504                 case ITEM_SUBCLASS_ARMOR_CLOTH:    return 9078;
 505                 case ITEM_SUBCLASS_ARMOR_LEATHER:  return 9077;
 506                 case ITEM_SUBCLASS_ARMOR_MAIL:     return 8737;
 507                 case ITEM_SUBCLASS_ARMOR_PLATE:    return  750;
 508                 case ITEM_SUBCLASS_ARMOR_SHIELD:   return 9116;
 509                 default: return 0;
 510             }
 511     }
 512     return 0;
 513 }
 514
 515 int32 Item::GenerateItemRandomPropertyId(uint32 item_id)
 516 {
 517     ItemPrototype const *itemProto = sItemStorage.LookupEntry<ItemPrototype>(item_id);
 518
 519     if(!itemProto)
 520         return 0;
 521
 522     // item must have one from this field values not null if it can have random enchantments
 523     if((!itemProto->RandomProperty) && (!itemProto->RandomSuffix))
 524         return 0;
 525
 526     // item can have not null only one from field values
 527     if((itemProto->RandomProperty) && (itemProto->RandomSuffix))
 528     {
 529         sLog.outErrorDb("Item template %u have RandomProperty==%u and RandomSuffix==%u, but must have one from field =0",itemProto->ItemId,itemProto->RandomProperty,itemProto->RandomSuffix);
 530         return 0;
 531     }
 532
 533     // RandomProperty case
 534     if(itemProto->RandomProperty)
 535     {
 536         uint32 randomPropId = GetItemEnchantMod(itemProto->RandomProperty);
 537         ItemRandomPropertiesEntry const *random_id = sItemRandomPropertiesStore.LookupEntry(randomPropId);
 538         if(!random_id)
 539         {
 540             sLog.outErrorDb("Enchantment id #%u used but it doesn't have records in 'ItemRandomProperties.dbc'",randomPropId);
 541             return 0;
 542         }
 543
 544         return random_id->ID;
 545     }
 546     // RandomSuffix case
 547     else
 548     {
 549         uint32 randomPropId = GetItemEnchantMod(itemProto->RandomSuffix);
 550         ItemRandomSuffixEntry const *random_id = sItemRandomSuffixStore.LookupEntry(randomPropId);
 551         if(!random_id)
 552         {
 553             sLog.outErrorDb("Enchantment id #%u used but it doesn't have records in sItemRandomSuffixStore.",randomPropId);
 554             return 0;
 555         }
 556
 557         return -int32(random_id->ID);
 558     }
 559 }
 560
 561 void Item::SetItemRandomProperties(int32 randomPropId)
 562 {
 563     if(!randomPropId)
 564         return;
 565
 566     if(randomPropId > 0)
 567     {
 568         ItemRandomPropertiesEntry const *item_rand = sItemRandomPropertiesStore.LookupEntry(randomPropId);
 569         if(item_rand)
 570         {
 571             if(GetInt32Value(ITEM_FIELD_RANDOM_PROPERTIES_ID) != int32(item_rand->ID))
 572             {
 573                 SetInt32Value(ITEM_FIELD_RANDOM_PROPERTIES_ID,item_rand->ID);
 574                 SetState(ITEM_CHANGED);
 575             }
 576             for(uint32 i = PROP_ENCHANTMENT_SLOT_2; i < PROP_ENCHANTMENT_SLOT_2 + 3; ++i)
 577                 SetEnchantment(EnchantmentSlot(i),item_rand->enchant_id[i - PROP_ENCHANTMENT_SLOT_2],0,0);
 578         }
 579     }
 580     else
 581     {
 582         ItemRandomSuffixEntry const *item_rand = sItemRandomSuffixStore.LookupEntry(-randomPropId);
 583         if(item_rand)
 584         {
 585             if( GetInt32Value(ITEM_FIELD_RANDOM_PROPERTIES_ID) != -int32(item_rand->ID) ||
 586                 !GetItemSuffixFactor())
 587             {
 588                 SetInt32Value(ITEM_FIELD_RANDOM_PROPERTIES_ID,-int32(item_rand->ID));
 589                 UpdateItemSuffixFactor();
 590                 SetState(ITEM_CHANGED);
 591             }
 592
 593             for(uint32 i = PROP_ENCHANTMENT_SLOT_0; i < PROP_ENCHANTMENT_SLOT_0 + 3; ++i)
 594                 SetEnchantment(EnchantmentSlot(i),item_rand->enchant_id[i - PROP_ENCHANTMENT_SLOT_0],0,0);
 595         }
 596     }
 597 }
 598
 599 bool Item::UpdateItemSuffixFactor()
 600 {
 601     uint32 suffixFactor = GenerateEnchSuffixFactor(GetEntry());
 602     if(GetItemSuffixFactor()==suffixFactor)
 603         return false;
 604     SetUInt32Value(ITEM_FIELD_PROPERTY_SEED,suffixFactor);
 605     return true;
 606 }
 607
 608 void Item::SetState(ItemUpdateState state, Player *forplayer)
 609 {
 610     if (uState == ITEM_NEW && state == ITEM_REMOVED)
 611     {
 612         // pretend the item never existed
 613         RemoveFromUpdateQueueOf(forplayer);
 614         delete this;
 615         return;
 616     }
 617
 618     if (state != ITEM_UNCHANGED)
 619     {
 620         // new items must stay in new state until saved
 621         if (uState != ITEM_NEW) uState = state;
 622         AddToUpdateQueueOf(forplayer);
 623     }
 624     else
 625     {
 626         // unset in queue
 627         // the item must be removed from the queue manually
 628         uQueuePos = -1;
 629         uState = ITEM_UNCHANGED;
 630     }
 631 }
 632
 633 void Item::AddToUpdateQueueOf(Player *player)
 634 {
 635     if (IsInUpdateQueue()) return;
 636
 637     if (!player)
 638     {
 639         player = GetOwner();
 640         if (!player)
 641         {
 642             sLog.outError("Item::AddToUpdateQueueOf - GetPlayer didn't find a player matching owner's guid (%u)!", GUID_LOPART(GetOwnerGUID()));
 643             return;
 644         }
 645     }
 646
 647     if (player->GetGUID() != GetOwnerGUID())
 648     {
 649         sLog.outError("Item::AddToUpdateQueueOf - Owner's guid (%u) and player's guid (%u) don't match!", GUID_LOPART(GetOwnerGUID()), player->GetGUIDLow());
 650         return;
 651     }
 652
 653     if (player->m_itemUpdateQueueBlocked) return;
 654
 655     player->m_itemUpdateQueue.push_back(this);
 656     uQueuePos = player->m_itemUpdateQueue.size()-1;
 657 }
 658
 659 void Item::RemoveFromUpdateQueueOf(Player *player)
 660 {
 661     if (!IsInUpdateQueue()) return;
 662
 663     if (!player)
 664     {
 665         player = GetOwner();
 666         if (!player)
 667         {
 668             sLog.outError("Item::RemoveFromUpdateQueueOf - GetPlayer didn't find a player matching owner's guid (%u)!", GUID_LOPART(GetOwnerGUID()));
 669             return;
 670         }
 671     }
 672
 673     if (player->GetGUID() != GetOwnerGUID())
 674     {
 675         sLog.outError("Item::RemoveFromUpdateQueueOf - Owner's guid (%u) and player's guid (%u) don't match!", GUID_LOPART(GetOwnerGUID()), player->GetGUIDLow());
 676         return;
 677     }
 678
 679     if (player->m_itemUpdateQueueBlocked) return;
 680
 681     player->m_itemUpdateQueue[uQueuePos] = NULL;
 682     uQueuePos = -1;
 683 }
 684
 685 uint8 Item::GetBagSlot() const
 686 {
 687     return m_container ? m_container->GetSlot() : uint8(INVENTORY_SLOT_BAG_0);
 688 }
 689
 690 bool Item::IsEquipped() const
 691 {
 692     return !IsInBag() && m_slot < EQUIPMENT_SLOT_END;
 693 }
 694
 695 bool Item::CanBeTraded() const
 696 {
 697     if(IsSoulBound())
 698         return false;
 699     if(IsBag() && (Player::IsBagPos(GetPos()) || !((Bag const*)this)->IsEmpty()) )
 700         return false;
 701
 702     if(Player* owner = GetOwner())
 703     {
 704         if(owner->CanUnequipItem(GetPos(),false) !=  EQUIP_ERR_OK )
 705             return false;
 706         if(owner->GetLootGUID()==GetGUID())
 707             return false;
 708     }
 709
 710     if (IsBoundByEnchant())
 711         return false;
 712
 713     return true;
 714 }
 715
 716 bool Item::IsBoundByEnchant() const
 717 {
 718     // Check all enchants for soulbound
 719     for(uint32 enchant_slot = PERM_ENCHANTMENT_SLOT; enchant_slot < MAX_ENCHANTMENT_SLOT; ++enchant_slot)
 720     {
 721         uint32 enchant_id = GetEnchantmentId(EnchantmentSlot(enchant_slot));
 722         if(!enchant_id)
 723             continue;
 724
 725         SpellItemEnchantmentEntry const* enchantEntry = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
 726         if(!enchantEntry)
 727             continue;
 728
 729         if(enchantEntry->slot & ENCHANTMENT_CAN_SOULBOUND)
 730             return true;
 731     }
 732     return false;
 733 }
 734
 735 bool Item::IsFitToSpellRequirements(SpellEntry const* spellInfo) const
 736 {
 737     ItemPrototype const* proto = GetProto();
 738
 739     if (spellInfo->EquippedItemClass != -1)                 // -1 == any item class
 740     {
 741         if(spellInfo->EquippedItemClass != int32(proto->Class))
 742             return false;                                   //  wrong item class
 743
 744         if(spellInfo->EquippedItemSubClassMask != 0)        // 0 == any subclass
 745         {
 746             if((spellInfo->EquippedItemSubClassMask & (1 << proto->SubClass)) == 0)
 747                 return false;                               // subclass not present in mask
 748         }
 749     }
 750
 751     if(spellInfo->EquippedItemInventoryTypeMask != 0)       // 0 == any inventory type
 752     {
 753         if((spellInfo->EquippedItemInventoryTypeMask  & (1 << proto->InventoryType)) == 0)
 754             return false;                                   // inventory type not present in mask
 755     }
 756
 757     return true;
 758 }
 759
 760 void Item::SetEnchantment(EnchantmentSlot slot, uint32 id, uint32 duration, uint32 charges)
 761 {
 762     // Better lost small time at check in comparison lost time at item save to DB.
 763     if((GetEnchantmentId(slot) == id) && (GetEnchantmentDuration(slot) == duration) && (GetEnchantmentCharges(slot) == charges))
 764         return;
 765
 766     SetUInt32Value(ITEM_FIELD_ENCHANTMENT + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_ID_OFFSET,id);
 767     SetUInt32Value(ITEM_FIELD_ENCHANTMENT + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_DURATION_OFFSET,duration);
 768     SetUInt32Value(ITEM_FIELD_ENCHANTMENT + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_CHARGES_OFFSET,charges);
 769     SetState(ITEM_CHANGED);
 770 }
 771
 772 void Item::SetEnchantmentDuration(EnchantmentSlot slot, uint32 duration)
 773 {
 774     if(GetEnchantmentDuration(slot) == duration)
 775         return;
 776
 777     SetUInt32Value(ITEM_FIELD_ENCHANTMENT + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_DURATION_OFFSET,duration);
 778     SetState(ITEM_CHANGED);
 779 }
 780
 781 void Item::SetEnchantmentCharges(EnchantmentSlot slot, uint32 charges)
 782 {
 783     if(GetEnchantmentCharges(slot) == charges)
 784         return;
 785
 786     SetUInt32Value(ITEM_FIELD_ENCHANTMENT + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_CHARGES_OFFSET,charges);
 787     SetState(ITEM_CHANGED);
 788 }
 789
 790 void Item::ClearEnchantment(EnchantmentSlot slot)
 791 {
 792     if(!GetEnchantmentId(slot))
 793         return;
 794
 795     for(uint8 x = 0; x < 3; ++x)
 796         SetUInt32Value(ITEM_FIELD_ENCHANTMENT + slot*MAX_ENCHANTMENT_OFFSET + x, 0);
 797     SetState(ITEM_CHANGED);
 798 }
 799
 800 bool Item::GemsFitSockets() const
 801 {
 802     bool fits = true;
 803     for(uint32 enchant_slot = SOCK_ENCHANTMENT_SLOT; enchant_slot < SOCK_ENCHANTMENT_SLOT+3; ++enchant_slot)
 804     {
 805         uint8 SocketColor = GetProto()->Socket[enchant_slot-SOCK_ENCHANTMENT_SLOT].Color;
 806
 807         uint32 enchant_id = GetEnchantmentId(EnchantmentSlot(enchant_slot));
 808         if(!enchant_id)
 809         {
 810             if(SocketColor) fits &= false;
 811             continue;
 812         }
 813
 814         SpellItemEnchantmentEntry const* enchantEntry = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
 815         if(!enchantEntry)
 816         {
 817             if(SocketColor) fits &= false;
 818             continue;
 819         }
 820
 821         uint8 GemColor = 0;
 822
 823         uint32 gemid = enchantEntry->GemID;
 824         if(gemid)
 825         {
 826             ItemPrototype const* gemProto = sItemStorage.LookupEntry<ItemPrototype>(gemid);
 827             if(gemProto)
 828             {
 829                 GemPropertiesEntry const* gemProperty = sGemPropertiesStore.LookupEntry(gemProto->GemProperties);
 830                 if(gemProperty)
 831                     GemColor = gemProperty->color;
 832             }
 833         }
 834
 835         fits &= (GemColor & SocketColor) ? true : false;
 836     }
 837     return fits;
 838 }
 839
 840 uint8 Item::GetGemCountWithID(uint32 GemID) const
 841 {
 842     uint8 count = 0;
 843     for(uint32 enchant_slot = SOCK_ENCHANTMENT_SLOT; enchant_slot < SOCK_ENCHANTMENT_SLOT+3; ++enchant_slot)
 844     {
 845         uint32 enchant_id = GetEnchantmentId(EnchantmentSlot(enchant_slot));
 846         if(!enchant_id)
 847             continue;
 848
 849         SpellItemEnchantmentEntry const* enchantEntry = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
 850         if(!enchantEntry)
 851             continue;
 852
 853         if(GemID == enchantEntry->GemID)
 854             ++count;
 855     }
 856     return count;
 857 }
 858
 859 bool Item::IsLimitedToAnotherMapOrZone( uint32 cur_mapId, uint32 cur_zoneId) const
 860 {
 861     ItemPrototype const* proto = GetProto();
 862     return proto && (proto->Map && proto->Map != cur_mapId || proto->Area && proto->Area != cur_zoneId );
 863 }
 864
 865 // Though the client has the information in the item's data field,
 866 // we have to send SMSG_ITEM_TIME_UPDATE to display the remaining
 867 // time.
 868 void Item::SendTimeUpdate(Player* owner)
 869 {
 870     if (!GetUInt32Value(ITEM_FIELD_DURATION))
 871         return;
 872
 873     WorldPacket data(SMSG_ITEM_TIME_UPDATE, (8+4));
 874     data << (uint64)GetGUID();
 875     data << (uint32)GetUInt32Value(ITEM_FIELD_DURATION);
 876     owner->GetSession()->SendPacket(&data);
 877 }
 878
 879 Item* Item::CreateItem( uint32 item, uint32 count, Player const* player )
 880 {
 881     if ( count < 1 )
 882         return NULL;                                        //don't create item at zero count
 883
 884     ItemPrototype const *pProto = objmgr.GetItemPrototype( item );
 885     if( pProto )
 886     {
 887         if ( count > pProto->Stackable )
 888             count = pProto->Stackable;
 889
 890         assert(count !=0 && "pProto->Stackable==0 but checked at loading already");
 891
 892         Item *pItem = NewItemOrBag( pProto );
 893         if( pItem->Create(objmgr.GenerateLowGuid(HIGHGUID_ITEM), item, player) )
 894         {
 895             pItem->SetCount( count );
 896             return pItem;
 897         }
 898         else
 899             delete pItem;
 900     }
 901     return NULL;
 902 }
 903
 904 Item* Item::CloneItem( uint32 count, Player const* player ) const
 905 {
 906     Item* newItem = CreateItem( GetEntry(), count, player );
 907     if(!newItem)
 908         return NULL;
 909
 910     newItem->SetUInt32Value( ITEM_FIELD_CREATOR,      GetUInt32Value( ITEM_FIELD_CREATOR ) );
 911     newItem->SetUInt32Value( ITEM_FIELD_GIFTCREATOR,  GetUInt32Value( ITEM_FIELD_GIFTCREATOR ) );
 912     newItem->SetUInt32Value( ITEM_FIELD_FLAGS,        GetUInt32Value( ITEM_FIELD_FLAGS ) );
 913     newItem->SetUInt32Value( ITEM_FIELD_DURATION,     GetUInt32Value( ITEM_FIELD_DURATION ) );
 914     newItem->SetItemRandomProperties(GetItemRandomPropertyId());
 915     return newItem;
 916 }