src/game/LootHandler.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 "WorldPacket.h"
  21 #include "Log.h"
  22 #include "Corpse.h"
  23 #include "GameObject.h"
  24 #include "Player.h"
  25 #include "ObjectAccessor.h"
  26 #include "WorldSession.h"
  27 #include "LootMgr.h"
  28 #include "Object.h"
  29 #include "Group.h"
  30 #include "World.h"
  31 #include "Util.h"
  32
  33 void WorldSession::HandleAutostoreLootItemOpcode( WorldPacket & recv_data )
  34 {
  35     CHECK_PACKET_SIZE(recv_data,1);
  36
  37     sLog.outDebug("WORLD: CMSG_AUTOSTORE_LOOT_ITEM");
  38     Player  *player =   GetPlayer();
  39     uint64   lguid =    player->GetLootGUID();
  40     Loot    *loot;
  41     uint8    lootSlot;
  42
  43     recv_data >> lootSlot;
  44
  45     if (IS_GAMEOBJECT_GUID(lguid))
  46     {
  47         GameObject *go =
  48             ObjectAccessor::GetGameObject(*player, lguid);
  49
  50         // not check distance for GO in case owned GO (fishing bobber case, for example) or Fishing hole GO
  51         if (!go || (go->GetOwnerGUID() != _player->GetGUID() && go->GetGoType() != GAMEOBJECT_TYPE_FISHINGHOLE) && !go->IsWithinDistInMap(_player,INTERACTION_DISTANCE))
  52         {
  53             player->SendLootRelease(lguid);
  54             return;
  55         }
  56
  57         loot = &go->loot;
  58     }
  59     else if (IS_ITEM_GUID(lguid))
  60     {
  61         Item *pItem = player->GetItemByGuid( lguid );
  62
  63         if (!pItem)
  64         {
  65             player->SendLootRelease(lguid);
  66             return;
  67         }
  68
  69         loot = &pItem->loot;
  70     }
  71     else
  72     {
  73         Creature* pCreature =
  74             ObjectAccessor::GetCreature(*player, lguid);
  75
  76         bool ok_loot = pCreature && pCreature->isAlive() == (player->getClass()==CLASS_ROGUE && pCreature->lootForPickPocketed);
  77
  78         if( !ok_loot || !pCreature->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
  79         {
  80             player->SendLootRelease(lguid);
  81             return;
  82         }
  83
  84         loot = &pCreature->loot;
  85     }
  86
  87     QuestItem *qitem = NULL;
  88     QuestItem *ffaitem = NULL;
  89     QuestItem *conditem = NULL;
  90
  91     LootItem *item = loot->LootItemInSlot(lootSlot,player,&qitem,&ffaitem,&conditem);
  92
  93     if(!item)
  94     {
  95         player->SendEquipError( EQUIP_ERR_ALREADY_LOOTED, NULL, NULL );
  96         return;
  97     }
  98
  99     // questitems use the blocked field for other purposes
 100     if (!qitem && item->is_blocked)
 101     {
 102         player->SendLootRelease(lguid);
 103         return;
 104     }
 105
 106     ItemPosCountVec dest;
 107     uint8 msg = player->CanStoreNewItem( NULL_BAG, NULL_SLOT, dest, item->itemid, item->count );
 108     if ( msg == EQUIP_ERR_OK )
 109     {
 110         Item * newitem = player->StoreNewItem( dest, item->itemid, true, item->randomPropertyId);
 111
 112         if (qitem)
 113         {
 114             qitem->is_looted = true;
 115             //freeforall is 1 if everyone's supposed to get the quest item.
 116             if (item->freeforall || loot->GetPlayerQuestItems().size() == 1)
 117                 player->SendNotifyLootItemRemoved(lootSlot);
 118             else
 119                 loot->NotifyQuestItemRemoved(qitem->index);
 120         }
 121         else
 122         {
 123             if (ffaitem)
 124             {
 125                 //freeforall case, notify only one player of the removal
 126                 ffaitem->is_looted=true;
 127                 player->SendNotifyLootItemRemoved(lootSlot);
 128             }
 129             else
 130             {
 131                 //not freeforall, notify everyone
 132                 if(conditem)
 133                     conditem->is_looted=true;
 134                 loot->NotifyItemRemoved(lootSlot);
 135             }
 136         }
 137
 138         //if only one person is supposed to loot the item, then set it to looted
 139         if (!item->freeforall)
 140             item->is_looted = true;
 141
 142         --loot->unlootedCount;
 143
 144         player->SendNewItem(newitem, uint32(item->count), false, false, true);
 145         player->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_LOOT_ITEM, item->itemid, item->count);
 146     }
 147     else
 148         player->SendEquipError( msg, NULL, NULL );
 149 }
 150
 151 void WorldSession::HandleLootMoneyOpcode( WorldPacket & /*recv_data*/ )
 152 {
 153     sLog.outDebug("WORLD: CMSG_LOOT_MONEY");
 154
 155     Player *player = GetPlayer();
 156     uint64 guid = player->GetLootGUID();
 157     if(!guid)
 158         return;
 159
 160     Loot *pLoot = NULL;
 161
 162     switch(GUID_HIPART(guid))
 163     {
 164         case HIGHGUID_GAMEOBJECT:
 165         {
 166             GameObject *pGameObject = ObjectAccessor::GetGameObject(*GetPlayer(), guid);
 167
 168             // not check distance for GO in case owned GO (fishing bobber case, for example)
 169             if( pGameObject && (pGameObject->GetOwnerGUID()==_player->GetGUID() || pGameObject->IsWithinDistInMap(_player,INTERACTION_DISTANCE)) )
 170                 pLoot = &pGameObject->loot;
 171
 172             break;
 173         }
 174         case HIGHGUID_CORPSE:                               // remove insignia ONLY in BG
 175         {
 176             Corpse *bones = ObjectAccessor::GetCorpse(*GetPlayer(), guid);
 177
 178             if (bones && bones->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
 179                 pLoot = &bones->loot;
 180
 181             break;
 182         }
 183         case HIGHGUID_ITEM:
 184         {
 185             if(Item *item = GetPlayer()->GetItemByGuid(guid))
 186                 pLoot = &item->loot;
 187             break;
 188         }
 189         case HIGHGUID_UNIT:
 190         {
 191             Creature* pCreature = ObjectAccessor::GetCreature(*GetPlayer(), guid);
 192
 193             bool ok_loot = pCreature && pCreature->isAlive() == (player->getClass()==CLASS_ROGUE && pCreature->lootForPickPocketed);
 194
 195             if ( ok_loot && pCreature->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
 196                 pLoot = &pCreature->loot ;
 197
 198             break;
 199         }
 200         default:
 201             return;                                         // unlootable type
 202     }
 203
 204     if( pLoot )
 205     {
 206         if (!IS_ITEM_GUID(guid) && player->GetGroup())      //item can be looted only single player
 207         {
 208             Group *group = player->GetGroup();
 209
 210             std::vector<Player*> playersNear;
 211             for(GroupReference *itr = group->GetFirstMember(); itr != NULL; itr = itr->next())
 212             {
 213                 Player* playerGroup = itr->getSource();
 214                 if(!playerGroup)
 215                     continue;
 216                 if (player->GetDistance2d(playerGroup) < sWorld.getConfig(CONFIG_GROUP_XP_DISTANCE))
 217                     playersNear.push_back(playerGroup);
 218             }
 219
 220             uint32 money_per_player = uint32((pLoot->gold)/(playersNear.size()));
 221
 222             for (std::vector<Player*>::iterator i = playersNear.begin(); i != playersNear.end(); ++i)
 223             {
 224                 (*i)->ModifyMoney( money_per_player );
 225                 (*i)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_LOOT_MONEY, money_per_player);
 226                 //Offset surely incorrect, but works
 227                 WorldPacket data( SMSG_LOOT_MONEY_NOTIFY, 4 );
 228                 data << uint32(money_per_player);
 229                 (*i)->GetSession()->SendPacket( &data );
 230             }
 231         }
 232         else
 233         {
 234             player->ModifyMoney( pLoot->gold );
 235             player->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_LOOT_MONEY, pLoot->gold);
 236         }
 237         pLoot->gold = 0;
 238         pLoot->NotifyMoneyRemoved();
 239     }
 240 }
 241
 242 void WorldSession::HandleLootOpcode( WorldPacket & recv_data )
 243 {
 244     CHECK_PACKET_SIZE(recv_data,8);
 245
 246     sLog.outDebug("WORLD: CMSG_LOOT");
 247
 248     uint64 guid;
 249     recv_data >> guid;
 250
 251     GetPlayer()->SendLoot(guid, LOOT_CORPSE);
 252 }
 253
 254 void WorldSession::HandleLootReleaseOpcode( WorldPacket & recv_data )
 255 {
 256     CHECK_PACKET_SIZE(recv_data,8);
 257
 258     sLog.outDebug("WORLD: CMSG_LOOT_RELEASE");
 259
 260     // cheaters can modify lguid to prevent correct apply loot release code and re-loot
 261     // use internal stored guid
 262     //uint64   lguid;
 263     //recv_data >> lguid;
 264
 265     if(uint64 lguid = GetPlayer()->GetLootGUID())
 266         DoLootRelease(lguid);
 267 }
 268
 269 void WorldSession::DoLootRelease( uint64 lguid )
 270 {
 271     Player  *player = GetPlayer();
 272     Loot    *loot;
 273
 274     player->SetLootGUID(0);
 275     player->SendLootRelease(lguid);
 276
 277     player->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_LOOTING);
 278
 279     if (IS_GAMEOBJECT_GUID(lguid))
 280     {
 281         GameObject *go =
 282             ObjectAccessor::GetGameObject(*player, lguid);
 283
 284         // not check distance for GO in case owned GO (fishing bobber case, for example) or Fishing hole GO
 285         if (!go || (go->GetOwnerGUID() != _player->GetGUID() && go->GetGoType() != GAMEOBJECT_TYPE_FISHINGHOLE) && !go->IsWithinDistInMap(_player,INTERACTION_DISTANCE))
 286             return;
 287
 288         loot = &go->loot;
 289
 290         if (go->GetGoType() == GAMEOBJECT_TYPE_DOOR)
 291         {
 292             // locked doors are opened with spelleffect openlock, prevent remove its as looted
 293             go->UseDoorOrButton();
 294         }
 295         else if (loot->isLooted() || go->GetGoType() == GAMEOBJECT_TYPE_FISHINGNODE)
 296         {
 297             // GO is mineral vein? so it is not removed after its looted
 298             if(go->GetGoType() == GAMEOBJECT_TYPE_CHEST)
 299             {
 300                 uint32 go_min = go->GetGOInfo()->chest.minSuccessOpens;
 301                 uint32 go_max = go->GetGOInfo()->chest.maxSuccessOpens;
 302
 303                 // only vein pass this check
 304                 if(go_min != 0 && go_max > go_min)
 305                 {
 306                     float amount_rate = sWorld.getRate(RATE_MINING_AMOUNT);
 307                     float min_amount = go_min*amount_rate;
 308                     float max_amount = go_max*amount_rate;
 309
 310                     go->AddUse();
 311                     float uses = float(go->GetUseCount());
 312
 313                     if(uses < max_amount)
 314                     {
 315                         if(uses >= min_amount)
 316                         {
 317                             float chance_rate = sWorld.getRate(RATE_MINING_NEXT);
 318
 319                             int32 ReqValue = 175;
 320                             LockEntry const *lockInfo = sLockStore.LookupEntry(go->GetGOInfo()->chest.lockId);
 321                             if(lockInfo)
 322                                 ReqValue = lockInfo->Skill[0];
 323                             float skill = float(player->GetSkillValue(SKILL_MINING))/(ReqValue+25);
 324                             double chance = pow(0.8*chance_rate,4*(1/double(max_amount))*double(uses));
 325                             if(roll_chance_f(100*chance+skill))
 326                             {
 327                                 go->SetLootState(GO_READY);
 328                             }
 329                             else                            // not have more uses
 330                                 go->SetLootState(GO_JUST_DEACTIVATED);
 331                         }
 332                         else                                // 100% chance until min uses
 333                             go->SetLootState(GO_READY);
 334                     }
 335                     else                                    // max uses already
 336                         go->SetLootState(GO_JUST_DEACTIVATED);
 337                 }
 338                 else                                        // not vein
 339                     go->SetLootState(GO_JUST_DEACTIVATED);
 340             }
 341             else if (go->GetGoType() == GAMEOBJECT_TYPE_FISHINGHOLE)
 342             {                                               // The fishing hole used once more
 343                 go->AddUse();                               // if the max usage is reached, will be despawned in next tick
 344                 if (go->GetUseCount()>=irand(go->GetGOInfo()->fishinghole.minSuccessOpens,go->GetGOInfo()->fishinghole.maxSuccessOpens))
 345                 {
 346                     go->SetLootState(GO_JUST_DEACTIVATED);
 347                 }
 348                 else
 349                     go->SetLootState(GO_READY);
 350             }
 351             else // not chest (or vein/herb/etc)
 352                 go->SetLootState(GO_JUST_DEACTIVATED);
 353
 354             loot->clear();
 355         }
 356         else
 357             // not fully looted object
 358             go->SetLootState(GO_ACTIVATED);
 359     }
 360     else if (IS_CORPSE_GUID(lguid))        // ONLY remove insignia at BG
 361     {
 362         Corpse *corpse = ObjectAccessor::GetCorpse(*player, lguid);
 363         if (!corpse || !corpse->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
 364             return;
 365
 366         loot = &corpse->loot;
 367
 368         if (loot->isLooted())
 369         {
 370             loot->clear();
 371             corpse->RemoveFlag(CORPSE_FIELD_DYNAMIC_FLAGS, CORPSE_DYNFLAG_LOOTABLE);
 372         }
 373     }
 374     else if (IS_ITEM_GUID(lguid))
 375     {
 376         Item *pItem = player->GetItemByGuid(lguid );
 377         if(!pItem)
 378             return;
 379
 380         ItemPrototype const* proto = pItem->GetProto();
 381
 382         // destroy only 5 items from stack in case prospecting and milling
 383         if( (proto->BagFamily & (BAG_FAMILY_MASK_MINING_SUPP|BAG_FAMILY_MASK_HERBS)) &&
 384             proto->Class == ITEM_CLASS_TRADE_GOODS)
 385         {
 386             pItem->m_lootGenerated = false;
 387             pItem->loot.clear();
 388
 389             uint32 count = pItem->GetCount();
 390
 391             // >=5 checked in spell code, but will work for cheating cases also with removing from another stacks.
 392             if(count > 5)
 393                 count = 5;
 394
 395             player->DestroyItemCount(pItem, count, true);
 396         }
 397         else
 398             // FIXME: item don't must be deleted in case not fully looted state. But this pre-request implement loot saving in DB at item save. Or checting possible.
 399             player->DestroyItem( pItem->GetBagSlot(),pItem->GetSlot(), true);
 400         return;                                             // item can be looted only single player
 401     }
 402     else
 403     {
 404         Creature* pCreature = ObjectAccessor::GetCreature(*player, lguid);
 405
 406         bool ok_loot = pCreature && pCreature->isAlive() == (player->getClass()==CLASS_ROGUE && pCreature->lootForPickPocketed);
 407         if ( !ok_loot || !pCreature->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
 408             return;
 409
 410         loot = &pCreature->loot;
 411
 412         // update next looter
 413         if(Player *recipient = pCreature->GetLootRecipient())
 414             if(Group* group = recipient->GetGroup())
 415                 if (group->GetLooterGuid() == player->GetGUID())
 416                     group->UpdateLooterGuid(pCreature);
 417
 418         if (loot->isLooted())
 419         {
 420             // skip pickpocketing loot for speed, skinning timer redunction is no-op in fact
 421             if(!pCreature->isAlive())
 422                 pCreature->AllLootRemovedFromCorpse();
 423
 424             pCreature->RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
 425             loot->clear();
 426         }
 427     }
 428
 429     //Player is not looking at loot list, he doesn't need to see updates on the loot list
 430     loot->RemoveLooter(player->GetGUID());
 431 }
 432
 433 void WorldSession::HandleLootMasterGiveOpcode( WorldPacket & recv_data )
 434 {
 435     CHECK_PACKET_SIZE(recv_data,8+1+8);
 436
 437     uint8 slotid;
 438     uint64 lootguid, target_playerguid;
 439
 440     recv_data >> lootguid >> slotid >> target_playerguid;
 441
 442     if(!_player->GetGroup() || _player->GetGroup()->GetLooterGuid() != _player->GetGUID())
 443     {
 444         _player->SendLootRelease(GetPlayer()->GetLootGUID());
 445         return;
 446     }
 447
 448     Player *target = ObjectAccessor::FindPlayer(MAKE_NEW_GUID(target_playerguid, 0, HIGHGUID_PLAYER));
 449     if(!target)
 450         return;
 451
 452     sLog.outDebug("WorldSession::HandleLootMasterGiveOpcode (CMSG_LOOT_MASTER_GIVE, 0x02A3) Target = [%s].", target->GetName());
 453
 454     if(_player->GetLootGUID() != lootguid)
 455         return;
 456
 457     Loot *pLoot = NULL;
 458
 459     if(IS_CREATURE_GUID(GetPlayer()->GetLootGUID()))
 460     {
 461         Creature *pCreature = ObjectAccessor::GetCreature(*GetPlayer(), lootguid);
 462         if(!pCreature)
 463             return;
 464
 465         pLoot = &pCreature->loot;
 466     }
 467     else if(IS_GAMEOBJECT_GUID(GetPlayer()->GetLootGUID()))
 468     {
 469         GameObject *pGO = ObjectAccessor::GetGameObject(*GetPlayer(), lootguid);
 470         if(!pGO)
 471             return;
 472
 473         pLoot = &pGO->loot;
 474     }
 475
 476     if(!pLoot)
 477         return;
 478
 479     if (slotid > pLoot->items.size())
 480     {
 481         sLog.outDebug("AutoLootItem: Player %s might be using a hack! (slot %d, size %lu)",GetPlayer()->GetName(), slotid, (unsigned long)pLoot->items.size());
 482         return;
 483     }
 484
 485     LootItem& item = pLoot->items[slotid];
 486
 487     ItemPosCountVec dest;
 488     uint8 msg = target->CanStoreNewItem( NULL_BAG, NULL_SLOT, dest, item.itemid, item.count );
 489     if ( msg != EQUIP_ERR_OK )
 490     {
 491         target->SendEquipError( msg, NULL, NULL );
 492         _player->SendEquipError( msg, NULL, NULL );         // send duplicate of error massage to master looter
 493         return;
 494     }
 495
 496     // not move item from loot to target inventory
 497     Item * newitem = target->StoreNewItem( dest, item.itemid, true, item.randomPropertyId );
 498     target->SendNewItem(newitem, uint32(item.count), false, false, true );
 499     target->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_LOOT_ITEM, item.itemid, item.count);
 500
 501     // mark as looted
 502     item.count=0;
 503     item.is_looted=true;
 504
 505
 506     pLoot->NotifyItemRemoved(slotid);
 507     --pLoot->unlootedCount;
 508 }