src/game/Item.cpp

   1 /*
   2  * Copyright (C) 2005-2009 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                 case ITEM_SUBCLASS_INSCRIPTION_CONTAINER:
 208                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_INSCRIPTION_SUPP))
 209                         return false;
 210                     return true;
 211                 default:
 212                     return false;
 213             }
 214         case ITEM_CLASS_QUIVER:
 215             switch(pBagProto->SubClass)
 216             {
 217                 case ITEM_SUBCLASS_QUIVER:
 218                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_ARROWS))
 219                         return false;
 220                     return true;
 221                 case ITEM_SUBCLASS_AMMO_POUCH:
 222                     if(!(pProto->BagFamily & BAG_FAMILY_MASK_BULLETS))
 223                         return false;
 224                     return true;
 225                 default:
 226                     return false;
 227             }
 228     }
 229     return false;
 230 }
 231
 232 Item::Item( )
 233 {
 234     m_objectType |= TYPEMASK_ITEM;
 235     m_objectTypeId = TYPEID_ITEM;
 236                                                             // 2.3.2 - 0x18
 237     m_updateFlag = (UPDATEFLAG_LOWGUID | UPDATEFLAG_HIGHGUID);
 238
 239     m_valuesCount = ITEM_END;
 240     m_slot = 0;
 241     uState = ITEM_NEW;
 242     uQueuePos = -1;
 243     m_container = NULL;
 244     m_lootGenerated = false;
 245     mb_in_trade = false;
 246 }
 247
 248 bool Item::Create( uint32 guidlow, uint32 itemid, Player const* owner)
 249 {
 250     Object::_Create( guidlow, 0, HIGHGUID_ITEM );
 251
 252     SetEntry(itemid);
 253     SetFloatValue(OBJECT_FIELD_SCALE_X, 1.0f);
 254
 255     SetUInt64Value(ITEM_FIELD_OWNER, owner ? owner->GetGUID() : 0);
 256     SetUInt64Value(ITEM_FIELD_CONTAINED, owner ? owner->GetGUID() : 0);
 257
 258     ItemPrototype const *itemProto = objmgr.GetItemPrototype(itemid);
 259     if(!itemProto)
 260         return false;
 261
 262     SetUInt32Value(ITEM_FIELD_STACK_COUNT, 1);
 263     SetUInt32Value(ITEM_FIELD_MAXDURABILITY, itemProto->MaxDurability);
 264     SetUInt32Value(ITEM_FIELD_DURABILITY, itemProto->MaxDurability);
 265
 266     for(int i = 0; i < 5; ++i)
 267         SetSpellCharges(i,itemProto->Spells[i].SpellCharges);
 268
 269     SetUInt32Value(ITEM_FIELD_FLAGS, itemProto->Flags);
 270     SetUInt32Value(ITEM_FIELD_DURATION, abs(itemProto->Duration));
 271
 272     return true;
 273 }
 274
 275 void Item::UpdateDuration(Player* owner, uint32 diff)
 276 {
 277     if (!GetUInt32Value(ITEM_FIELD_DURATION))
 278         return;
 279
 280     sLog.outDebug("Item::UpdateDuration Item (Entry: %u Duration %u Diff %u)",GetEntry(),GetUInt32Value(ITEM_FIELD_DURATION),diff);
 281
 282     if (GetUInt32Value(ITEM_FIELD_DURATION)<=diff)
 283     {
 284         owner->DestroyItem(GetBagSlot(), GetSlot(), true);
 285         return;
 286     }
 287
 288     SetUInt32Value(ITEM_FIELD_DURATION, GetUInt32Value(ITEM_FIELD_DURATION) - diff);
 289     SetState(ITEM_CHANGED, owner);                          // save new time in database
 290 }
 291
 292 void Item::SaveToDB()
 293 {
 294     uint32 guid = GetGUIDLow();
 295     switch (uState)
 296     {
 297         case ITEM_NEW:
 298         {
 299             CharacterDatabase.PExecute( "DELETE FROM item_instance WHERE guid = '%u'", guid );
 300             std::ostringstream ss;
 301             ss << "INSERT INTO item_instance (guid,owner_guid,data) VALUES (" << guid << "," << GUID_LOPART(GetOwnerGUID()) << ",'";
 302             for(uint16 i = 0; i < m_valuesCount; i++ )
 303                 ss << GetUInt32Value(i) << " ";
 304             ss << "' )";
 305             CharacterDatabase.Execute( ss.str().c_str() );
 306         } break;
 307         case ITEM_CHANGED:
 308         {
 309             std::ostringstream ss;
 310             ss << "UPDATE item_instance SET data = '";
 311             for(uint16 i = 0; i < m_valuesCount; i++ )
 312                 ss << GetUInt32Value(i) << " ";
 313             ss << "', owner_guid = '" << GUID_LOPART(GetOwnerGUID()) << "' WHERE guid = '" << guid << "'";
 314
 315             CharacterDatabase.Execute( ss.str().c_str() );
 316
 317             if(HasFlag(ITEM_FIELD_FLAGS, ITEM_FLAGS_WRAPPED))
 318                 CharacterDatabase.PExecute("UPDATE character_gifts SET guid = '%u' WHERE item_guid = '%u'", GUID_LOPART(GetOwnerGUID()),GetGUIDLow());
 319         } break;
 320         case ITEM_REMOVED:
 321         {
 322             if (GetUInt32Value(ITEM_FIELD_ITEM_TEXT_ID) > 0 )
 323                 CharacterDatabase.PExecute("DELETE FROM item_text WHERE id = '%u'", GetUInt32Value(ITEM_FIELD_ITEM_TEXT_ID));
 324             CharacterDatabase.PExecute("DELETE FROM item_instance WHERE guid = '%u'", guid);
 325             if(HasFlag(ITEM_FIELD_FLAGS, ITEM_FLAGS_WRAPPED))
 326                 CharacterDatabase.PExecute("DELETE FROM character_gifts WHERE item_guid = '%u'", GetGUIDLow());
 327             delete this;
 328             return;
 329         }
 330         case ITEM_UNCHANGED:
 331             break;
 332     }
 333     SetState(ITEM_UNCHANGED);
 334 }
 335
 336 bool Item::LoadFromDB(uint32 guid, uint64 owner_guid, QueryResult *result)
 337 {
 338     // create item before any checks for store correct guid
 339     // and allow use "FSetState(ITEM_REMOVED); SaveToDB();" for deleting item from DB
 340     Object::_Create(guid, 0, HIGHGUID_ITEM);
 341
 342     bool delete_result = false;
 343     if(!result)
 344     {
 345         result = CharacterDatabase.PQuery("SELECT data FROM item_instance WHERE guid = '%u'", guid);
 346         delete_result = true;
 347     }
 348
 349     if (!result)
 350     {
 351         sLog.outError("ERROR: Item (GUID: %u owner: %u) not found in table `item_instance`, can't load. ",guid,GUID_LOPART(owner_guid));
 352         return false;
 353     }
 354
 355     Field *fields = result->Fetch();
 356
 357     if(!LoadValues(fields[0].GetString()))
 358     {
 359         sLog.outError("ERROR: Item #%d have broken data in `data` field. Can't be loaded.",guid);
 360         if (delete_result) delete result;
 361         return false;
 362     }
 363
 364     bool need_save = false;                                 // need explicit save data at load fixes
 365
 366     // overwrite possible wrong/corrupted guid
 367     uint64 new_item_guid = MAKE_NEW_GUID(guid,0, HIGHGUID_ITEM);
 368     if(GetUInt64Value(OBJECT_FIELD_GUID) != new_item_guid)
 369     {
 370         SetUInt64Value(OBJECT_FIELD_GUID, MAKE_NEW_GUID(guid,0, HIGHGUID_ITEM));
 371         need_save = true;
 372     }
 373
 374     if (delete_result) delete result;
 375
 376     ItemPrototype const* proto = GetProto();
 377     if(!proto)
 378         return false;
 379
 380     // recalculate suffix factor
 381     if(GetItemRandomPropertyId() < 0)
 382     {
 383         if(UpdateItemSuffixFactor())
 384             need_save = true;
 385     }
 386
 387     // Remove bind flag for items vs NO_BIND set
 388     if (IsSoulBound() && proto->Bonding == NO_BIND)
 389     {
 390         ApplyModFlag(ITEM_FIELD_FLAGS,ITEM_FLAGS_BINDED, false);
 391         need_save = true;
 392     }
 393
 394     // update duration if need, and remove if not need
 395     if((proto->Duration==0) != (GetUInt32Value(ITEM_FIELD_DURATION)==0))
 396     {
 397         SetUInt32Value(ITEM_FIELD_DURATION,abs(proto->Duration));
 398         need_save = true;
 399     }
 400
 401     // set correct owner
 402     if(owner_guid != 0 && GetOwnerGUID() != owner_guid)
 403     {
 404         SetOwnerGUID(owner_guid);
 405         need_save = true;
 406     }
 407
 408     if(need_save)                                           // normal item changed state set not work at loading
 409     {
 410         std::ostringstream ss;
 411         ss << "UPDATE item_instance SET data = '";
 412         for(uint16 i = 0; i < m_valuesCount; i++ )
 413             ss << GetUInt32Value(i) << " ";
 414         ss << "', owner_guid = '" << GUID_LOPART(GetOwnerGUID()) << "' WHERE guid = '" << guid << "'";
 415
 416         CharacterDatabase.Execute( ss.str().c_str() );
 417     }
 418
 419     return true;
 420 }
 421
 422 void Item::DeleteFromDB()
 423 {
 424     CharacterDatabase.PExecute("DELETE FROM item_instance WHERE guid = '%u'",GetGUIDLow());
 425 }
 426
 427 void Item::DeleteFromInventoryDB()
 428 {
 429     CharacterDatabase.PExecute("DELETE FROM character_inventory WHERE item = '%u'",GetGUIDLow());
 430 }
 431
 432 ItemPrototype const *Item::GetProto() const
 433 {
 434     return objmgr.GetItemPrototype(GetEntry());
 435 }
 436
 437 Player* Item::GetOwner()const
 438 {
 439     return objmgr.GetPlayer(GetOwnerGUID());
 440 }
 441
 442 uint32 Item::GetSkill()
 443 {
 444     const static uint32 item_weapon_skills[MAX_ITEM_SUBCLASS_WEAPON] =
 445     {
 446         SKILL_AXES,     SKILL_2H_AXES,  SKILL_BOWS,          SKILL_GUNS,      SKILL_MACES,
 447         SKILL_2H_MACES, SKILL_POLEARMS, SKILL_SWORDS,        SKILL_2H_SWORDS, 0,
 448         SKILL_STAVES,   0,              0,                   SKILL_UNARMED,   0,
 449         SKILL_DAGGERS,  SKILL_THROWN,   SKILL_ASSASSINATION, SKILL_CROSSBOWS, SKILL_WANDS,
 450         SKILL_FISHING
 451     };
 452
 453     const static uint32 item_armor_skills[MAX_ITEM_SUBCLASS_ARMOR] =
 454     {
 455         0,SKILL_CLOTH,SKILL_LEATHER,SKILL_MAIL,SKILL_PLATE_MAIL,0,SKILL_SHIELD,0,0,0,0
 456     };
 457
 458     ItemPrototype const* proto = GetProto();
 459
 460     switch (proto->Class)
 461     {
 462         case ITEM_CLASS_WEAPON:
 463             if( proto->SubClass >= MAX_ITEM_SUBCLASS_WEAPON )
 464                 return 0;
 465             else
 466                 return item_weapon_skills[proto->SubClass];
 467
 468         case ITEM_CLASS_ARMOR:
 469             if( proto->SubClass >= MAX_ITEM_SUBCLASS_ARMOR )
 470                 return 0;
 471             else
 472                 return item_armor_skills[proto->SubClass];
 473
 474         default:
 475             return 0;
 476     }
 477 }
 478
 479 uint32 Item::GetSpell()
 480 {
 481     ItemPrototype const* proto = GetProto();
 482
 483     switch (proto->Class)
 484     {
 485         case ITEM_CLASS_WEAPON:
 486             switch (proto->SubClass)
 487             {
 488                 case ITEM_SUBCLASS_WEAPON_AXE:     return  196;
 489                 case ITEM_SUBCLASS_WEAPON_AXE2:    return  197;
 490                 case ITEM_SUBCLASS_WEAPON_BOW:     return  264;
 491                 case ITEM_SUBCLASS_WEAPON_GUN:     return  266;
 492                 case ITEM_SUBCLASS_WEAPON_MACE:    return  198;
 493                 case ITEM_SUBCLASS_WEAPON_MACE2:   return  199;
 494                 case ITEM_SUBCLASS_WEAPON_POLEARM: return  200;
 495                 case ITEM_SUBCLASS_WEAPON_SWORD:   return  201;
 496                 case ITEM_SUBCLASS_WEAPON_SWORD2:  return  202;
 497                 case ITEM_SUBCLASS_WEAPON_STAFF:   return  227;
 498                 case ITEM_SUBCLASS_WEAPON_DAGGER:  return 1180;
 499                 case ITEM_SUBCLASS_WEAPON_THROWN:  return 2567;
 500                 case ITEM_SUBCLASS_WEAPON_SPEAR:   return 3386;
 501                 case ITEM_SUBCLASS_WEAPON_CROSSBOW:return 5011;
 502                 case ITEM_SUBCLASS_WEAPON_WAND:    return 5009;
 503                 default: return 0;
 504             }
 505         case ITEM_CLASS_ARMOR:
 506             switch(proto->SubClass)
 507             {
 508                 case ITEM_SUBCLASS_ARMOR_CLOTH:    return 9078;
 509                 case ITEM_SUBCLASS_ARMOR_LEATHER:  return 9077;
 510                 case ITEM_SUBCLASS_ARMOR_MAIL:     return 8737;
 511                 case ITEM_SUBCLASS_ARMOR_PLATE:    return  750;
 512                 case ITEM_SUBCLASS_ARMOR_SHIELD:   return 9116;
 513                 default: return 0;
 514             }
 515     }
 516     return 0;
 517 }
 518
 519 int32 Item::GenerateItemRandomPropertyId(uint32 item_id)
 520 {
 521     ItemPrototype const *itemProto = sItemStorage.LookupEntry<ItemPrototype>(item_id);
 522
 523     if(!itemProto)
 524         return 0;
 525
 526     // item must have one from this field values not null if it can have random enchantments
 527     if((!itemProto->RandomProperty) && (!itemProto->RandomSuffix))
 528         return 0;
 529
 530     // item can have not null only one from field values
 531     if((itemProto->RandomProperty) && (itemProto->RandomSuffix))
 532     {
 533         sLog.outErrorDb("Item template %u have RandomProperty==%u and RandomSuffix==%u, but must have one from field =0",itemProto->ItemId,itemProto->RandomProperty,itemProto->RandomSuffix);
 534         return 0;
 535     }
 536
 537     // RandomProperty case
 538     if(itemProto->RandomProperty)
 539     {
 540         uint32 randomPropId = GetItemEnchantMod(itemProto->RandomProperty);
 541         ItemRandomPropertiesEntry const *random_id = sItemRandomPropertiesStore.LookupEntry(randomPropId);
 542         if(!random_id)
 543         {
 544             sLog.outErrorDb("Enchantment id #%u used but it doesn't have records in 'ItemRandomProperties.dbc'",randomPropId);
 545             return 0;
 546         }
 547
 548         return random_id->ID;
 549     }
 550     // RandomSuffix case
 551     else
 552     {
 553         uint32 randomPropId = GetItemEnchantMod(itemProto->RandomSuffix);
 554         ItemRandomSuffixEntry const *random_id = sItemRandomSuffixStore.LookupEntry(randomPropId);
 555         if(!random_id)
 556         {
 557             sLog.outErrorDb("Enchantment id #%u used but it doesn't have records in sItemRandomSuffixStore.",randomPropId);
 558             return 0;
 559         }
 560
 561         return -int32(random_id->ID);
 562     }
 563 }
 564
 565 void Item::SetItemRandomProperties(int32 randomPropId)
 566 {
 567     if(!randomPropId)
 568         return;
 569
 570     if(randomPropId > 0)
 571     {
 572         ItemRandomPropertiesEntry const *item_rand = sItemRandomPropertiesStore.LookupEntry(randomPropId);
 573         if(item_rand)
 574         {
 575             if(GetInt32Value(ITEM_FIELD_RANDOM_PROPERTIES_ID) != int32(item_rand->ID))
 576             {
 577                 SetInt32Value(ITEM_FIELD_RANDOM_PROPERTIES_ID,item_rand->ID);
 578                 SetState(ITEM_CHANGED);
 579             }
 580             for(uint32 i = PROP_ENCHANTMENT_SLOT_2; i < PROP_ENCHANTMENT_SLOT_2 + 3; ++i)
 581                 SetEnchantment(EnchantmentSlot(i),item_rand->enchant_id[i - PROP_ENCHANTMENT_SLOT_2],0,0);
 582         }
 583     }
 584     else
 585     {
 586         ItemRandomSuffixEntry const *item_rand = sItemRandomSuffixStore.LookupEntry(-randomPropId);
 587         if(item_rand)
 588         {
 589             if( GetInt32Value(ITEM_FIELD_RANDOM_PROPERTIES_ID) != -int32(item_rand->ID) ||
 590                 !GetItemSuffixFactor())
 591             {
 592                 SetInt32Value(ITEM_FIELD_RANDOM_PROPERTIES_ID,-int32(item_rand->ID));
 593                 UpdateItemSuffixFactor();
 594                 SetState(ITEM_CHANGED);
 595             }
 596
 597             for(uint32 i = PROP_ENCHANTMENT_SLOT_0; i < PROP_ENCHANTMENT_SLOT_0 + 3; ++i)
 598                 SetEnchantment(EnchantmentSlot(i),item_rand->enchant_id[i - PROP_ENCHANTMENT_SLOT_0],0,0);
 599         }
 600     }
 601 }
 602
 603 bool Item::UpdateItemSuffixFactor()
 604 {
 605     uint32 suffixFactor = GenerateEnchSuffixFactor(GetEntry());
 606     if(GetItemSuffixFactor()==suffixFactor)
 607         return false;
 608     SetUInt32Value(ITEM_FIELD_PROPERTY_SEED,suffixFactor);
 609     return true;
 610 }
 611
 612 void Item::SetState(ItemUpdateState state, Player *forplayer)
 613 {
 614     if (uState == ITEM_NEW && state == ITEM_REMOVED)
 615     {
 616         // pretend the item never existed
 617         RemoveFromUpdateQueueOf(forplayer);
 618         delete this;
 619         return;
 620     }
 621
 622     if (state != ITEM_UNCHANGED)
 623     {
 624         // new items must stay in new state until saved
 625         if (uState != ITEM_NEW) uState = state;
 626         AddToUpdateQueueOf(forplayer);
 627     }
 628     else
 629     {
 630         // unset in queue
 631         // the item must be removed from the queue manually
 632         uQueuePos = -1;
 633         uState = ITEM_UNCHANGED;
 634     }
 635 }
 636
 637 void Item::AddToUpdateQueueOf(Player *player)
 638 {
 639     if (IsInUpdateQueue()) return;
 640
 641     if (!player)
 642     {
 643         player = GetOwner();
 644         if (!player)
 645         {
 646             sLog.outError("Item::AddToUpdateQueueOf - GetPlayer didn't find a player matching owner's guid (%u)!", GUID_LOPART(GetOwnerGUID()));
 647             return;
 648         }
 649     }
 650
 651     if (player->GetGUID() != GetOwnerGUID())
 652     {
 653         sLog.outError("Item::AddToUpdateQueueOf - Owner's guid (%u) and player's guid (%u) don't match!", GUID_LOPART(GetOwnerGUID()), player->GetGUIDLow());
 654         return;
 655     }
 656
 657     if (player->m_itemUpdateQueueBlocked) return;
 658
 659     player->m_itemUpdateQueue.push_back(this);
 660     uQueuePos = player->m_itemUpdateQueue.size()-1;
 661 }
 662
 663 void Item::RemoveFromUpdateQueueOf(Player *player)
 664 {
 665     if (!IsInUpdateQueue()) return;
 666
 667     if (!player)
 668     {
 669         player = GetOwner();
 670         if (!player)
 671         {
 672             sLog.outError("Item::RemoveFromUpdateQueueOf - GetPlayer didn't find a player matching owner's guid (%u)!", GUID_LOPART(GetOwnerGUID()));
 673             return;
 674         }
 675     }
 676
 677     if (player->GetGUID() != GetOwnerGUID())
 678     {
 679         sLog.outError("Item::RemoveFromUpdateQueueOf - Owner's guid (%u) and player's guid (%u) don't match!", GUID_LOPART(GetOwnerGUID()), player->GetGUIDLow());
 680         return;
 681     }
 682
 683     if (player->m_itemUpdateQueueBlocked) return;
 684
 685     player->m_itemUpdateQueue[uQueuePos] = NULL;
 686     uQueuePos = -1;
 687 }
 688
 689 uint8 Item::GetBagSlot() const
 690 {
 691     return m_container ? m_container->GetSlot() : uint8(INVENTORY_SLOT_BAG_0);
 692 }
 693
 694 bool Item::IsEquipped() const
 695 {
 696     return !IsInBag() && m_slot < EQUIPMENT_SLOT_END;
 697 }
 698
 699 bool Item::CanBeTraded() const
 700 {
 701     if(IsSoulBound())
 702         return false;
 703     if(IsBag() && (Player::IsBagPos(GetPos()) || !((Bag const*)this)->IsEmpty()) )
 704         return false;
 705
 706     if(Player* owner = GetOwner())
 707     {
 708         if(owner->CanUnequipItem(GetPos(),false) !=  EQUIP_ERR_OK )
 709             return false;
 710         if(owner->GetLootGUID()==GetGUID())
 711             return false;
 712     }
 713
 714     if (IsBoundByEnchant())
 715         return false;
 716
 717     return true;
 718 }
 719
 720 bool Item::IsBoundByEnchant() const
 721 {
 722     // Check all enchants for soulbound
 723     for(uint32 enchant_slot = PERM_ENCHANTMENT_SLOT; enchant_slot < MAX_ENCHANTMENT_SLOT; ++enchant_slot)
 724     {
 725         uint32 enchant_id = GetEnchantmentId(EnchantmentSlot(enchant_slot));
 726         if(!enchant_id)
 727             continue;
 728
 729         SpellItemEnchantmentEntry const* enchantEntry = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
 730         if(!enchantEntry)
 731             continue;
 732
 733         if(enchantEntry->slot & ENCHANTMENT_CAN_SOULBOUND)
 734             return true;
 735     }
 736     return false;
 737 }
 738
 739 bool Item::IsFitToSpellRequirements(SpellEntry const* spellInfo) const
 740 {
 741     ItemPrototype const* proto = GetProto();
 742
 743     if (spellInfo->EquippedItemClass != -1)                 // -1 == any item class
 744     {
 745         if(spellInfo->EquippedItemClass != int32(proto->Class))
 746             return false;                                   //  wrong item class
 747
 748         if(spellInfo->EquippedItemSubClassMask != 0)        // 0 == any subclass
 749         {
 750             if((spellInfo->EquippedItemSubClassMask & (1 << proto->SubClass)) == 0)
 751                 return false;                               // subclass not present in mask
 752         }
 753     }
 754
 755     if(spellInfo->EquippedItemInventoryTypeMask != 0)       // 0 == any inventory type
 756     {
 757         if((spellInfo->EquippedItemInventoryTypeMask  & (1 << proto->InventoryType)) == 0)
 758             return false;                                   // inventory type not present in mask
 759     }
 760
 761     return true;
 762 }
 763
 764 void Item::SetEnchantment(EnchantmentSlot slot, uint32 id, uint32 duration, uint32 charges)
 765 {
 766     // Better lost small time at check in comparison lost time at item save to DB.
 767     if((GetEnchantmentId(slot) == id) && (GetEnchantmentDuration(slot) == duration) && (GetEnchantmentCharges(slot) == charges))
 768         return;
 769
 770     SetUInt32Value(ITEM_FIELD_ENCHANTMENT_1_1 + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_ID_OFFSET,id);
 771     SetUInt32Value(ITEM_FIELD_ENCHANTMENT_1_1 + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_DURATION_OFFSET,duration);
 772     SetUInt32Value(ITEM_FIELD_ENCHANTMENT_1_1 + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_CHARGES_OFFSET,charges);
 773     SetState(ITEM_CHANGED);
 774 }
 775
 776 void Item::SetEnchantmentDuration(EnchantmentSlot slot, uint32 duration)
 777 {
 778     if(GetEnchantmentDuration(slot) == duration)
 779         return;
 780
 781     SetUInt32Value(ITEM_FIELD_ENCHANTMENT_1_1 + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_DURATION_OFFSET,duration);
 782     SetState(ITEM_CHANGED);
 783 }
 784
 785 void Item::SetEnchantmentCharges(EnchantmentSlot slot, uint32 charges)
 786 {
 787     if(GetEnchantmentCharges(slot) == charges)
 788         return;
 789
 790     SetUInt32Value(ITEM_FIELD_ENCHANTMENT_1_1 + slot*MAX_ENCHANTMENT_OFFSET + ENCHANTMENT_CHARGES_OFFSET,charges);
 791     SetState(ITEM_CHANGED);
 792 }
 793
 794 void Item::ClearEnchantment(EnchantmentSlot slot)
 795 {
 796     if(!GetEnchantmentId(slot))
 797         return;
 798
 799     for(uint8 x = 0; x < 3; ++x)
 800         SetUInt32Value(ITEM_FIELD_ENCHANTMENT_1_1 + slot*MAX_ENCHANTMENT_OFFSET + x, 0);
 801     SetState(ITEM_CHANGED);
 802 }
 803
 804 bool Item::GemsFitSockets() const
 805 {
 806     bool fits = true;
 807     for(uint32 enchant_slot = SOCK_ENCHANTMENT_SLOT; enchant_slot < SOCK_ENCHANTMENT_SLOT+MAX_GEM_SOCKETS; ++enchant_slot)
 808     {
 809         uint8 SocketColor = GetProto()->Socket[enchant_slot-SOCK_ENCHANTMENT_SLOT].Color;
 810
 811         uint32 enchant_id = GetEnchantmentId(EnchantmentSlot(enchant_slot));
 812         if(!enchant_id)
 813         {
 814             if(SocketColor) fits &= false;
 815             continue;
 816         }
 817
 818         SpellItemEnchantmentEntry const* enchantEntry = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
 819         if(!enchantEntry)
 820         {
 821             if(SocketColor) fits &= false;
 822             continue;
 823         }
 824
 825         uint8 GemColor = 0;
 826
 827         uint32 gemid = enchantEntry->GemID;
 828         if(gemid)
 829         {
 830             ItemPrototype const* gemProto = sItemStorage.LookupEntry<ItemPrototype>(gemid);
 831             if(gemProto)
 832             {
 833                 GemPropertiesEntry const* gemProperty = sGemPropertiesStore.LookupEntry(gemProto->GemProperties);
 834                 if(gemProperty)
 835                     GemColor = gemProperty->color;
 836             }
 837         }
 838
 839         fits &= (GemColor & SocketColor) ? true : false;
 840     }
 841     return fits;
 842 }
 843
 844 uint8 Item::GetGemCountWithID(uint32 GemID) const
 845 {
 846     uint8 count = 0;
 847     for(uint32 enchant_slot = SOCK_ENCHANTMENT_SLOT; enchant_slot < SOCK_ENCHANTMENT_SLOT+MAX_GEM_SOCKETS; ++enchant_slot)
 848     {
 849         uint32 enchant_id = GetEnchantmentId(EnchantmentSlot(enchant_slot));
 850         if(!enchant_id)
 851             continue;
 852
 853         SpellItemEnchantmentEntry const* enchantEntry = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
 854         if(!enchantEntry)
 855             continue;
 856
 857         if(GemID == enchantEntry->GemID)
 858             ++count;
 859     }
 860     return count;
 861 }
 862
 863 uint8 Item::GetGemCountWithLimitCategory(uint32 limitCategory) const
 864 {
 865     uint8 count = 0;
 866     for(uint32 enchant_slot = SOCK_ENCHANTMENT_SLOT; enchant_slot < SOCK_ENCHANTMENT_SLOT+MAX_GEM_SOCKETS; ++enchant_slot)
 867     {
 868         uint32 enchant_id = GetEnchantmentId(EnchantmentSlot(enchant_slot));
 869         if(!enchant_id)
 870             continue;
 871
 872         SpellItemEnchantmentEntry const* enchantEntry = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
 873         if(!enchantEntry)
 874             continue;
 875
 876         ItemPrototype const* gemProto = ObjectMgr::GetItemPrototype(enchantEntry->GemID);
 877         if(!gemProto)
 878             continue;
 879
 880         if(gemProto->ItemLimitCategory==limitCategory)
 881             ++count;
 882     }
 883     return count;
 884 }
 885
 886 bool Item::IsLimitedToAnotherMapOrZone( uint32 cur_mapId, uint32 cur_zoneId) const
 887 {
 888     ItemPrototype const* proto = GetProto();
 889     return proto && (proto->Map && proto->Map != cur_mapId || proto->Area && proto->Area != cur_zoneId );
 890 }
 891
 892 // Though the client has the information in the item's data field,
 893 // we have to send SMSG_ITEM_TIME_UPDATE to display the remaining
 894 // time.
 895 void Item::SendTimeUpdate(Player* owner)
 896 {
 897     if (!GetUInt32Value(ITEM_FIELD_DURATION))
 898         return;
 899
 900     WorldPacket data(SMSG_ITEM_TIME_UPDATE, (8+4));
 901     data << (uint64)GetGUID();
 902     data << (uint32)GetUInt32Value(ITEM_FIELD_DURATION);
 903     owner->GetSession()->SendPacket(&data);
 904 }
 905
 906 Item* Item::CreateItem( uint32 item, uint32 count, Player const* player )
 907 {
 908     if ( count < 1 )
 909         return NULL;                                        //don't create item at zero count
 910
 911     ItemPrototype const *pProto = objmgr.GetItemPrototype( item );
 912     if( pProto )
 913     {
 914         if ( count > pProto->GetMaxStackSize())
 915             count = pProto->GetMaxStackSize();
 916
 917         assert(count !=0 && "pProto->Stackable==0 but checked at loading already");
 918
 919         Item *pItem = NewItemOrBag( pProto );
 920         if( pItem->Create(objmgr.GenerateLowGuid(HIGHGUID_ITEM), item, player) )
 921         {
 922             pItem->SetCount( count );
 923             return pItem;
 924         }
 925         else
 926             delete pItem;
 927     }
 928     return NULL;
 929 }
 930
 931 Item* Item::CloneItem( uint32 count, Player const* player ) const
 932 {
 933     Item* newItem = CreateItem( GetEntry(), count, player );
 934     if(!newItem)
 935         return NULL;
 936
 937     newItem->SetUInt32Value( ITEM_FIELD_CREATOR,      GetUInt32Value( ITEM_FIELD_CREATOR ) );
 938     newItem->SetUInt32Value( ITEM_FIELD_GIFTCREATOR,  GetUInt32Value( ITEM_FIELD_GIFTCREATOR ) );
 939     newItem->SetUInt32Value( ITEM_FIELD_FLAGS,        GetUInt32Value( ITEM_FIELD_FLAGS ) );
 940     newItem->SetUInt32Value( ITEM_FIELD_DURATION,     GetUInt32Value( ITEM_FIELD_DURATION ) );
 941     newItem->SetItemRandomProperties(GetItemRandomPropertyId());
 942     return newItem;
 943 }