src/game/LootHandler.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 "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     }
 146     else
 147         player->SendEquipError( msg, NULL, NULL );
 148 }
 149
 150 void WorldSession::HandleLootMoneyOpcode( WorldPacket & /*recv_data*/ )
 151 {
 152     sLog.outDebug("WORLD: CMSG_LOOT_MONEY");
 153
 154     Player *player = GetPlayer();
 155     uint64 guid = player->GetLootGUID();
 156     if(!guid)
 157         return;
 158
 159     Loot *pLoot = NULL;
 160
 161     switch(GUID_HIPART(guid))
 162     {
 163         case HIGHGUID_GAMEOBJECT:
 164         {
 165             GameObject *pGameObject = ObjectAccessor::GetGameObject(*GetPlayer(), guid);
 166
 167             // not check distance for GO in case owned GO (fishing bobber case, for example)
 168             if( pGameObject && (pGameObject->GetOwnerGUID()==_player->GetGUID() || pGameObject->IsWithinDistInMap(_player,INTERACTION_DISTANCE)) )
 169                 pLoot = &pGameObject->loot;
 170
 171             break;
 172         }
 173         case HIGHGUID_CORPSE:                               // remove insignia ONLY in BG
 174         {
 175             Corpse *bones = ObjectAccessor::GetCorpse(*GetPlayer(), guid);
 176
 177             if (bones && bones->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
 178                 pLoot = &bones->loot;
 179
 180             break;
 181         }
 182         case HIGHGUID_ITEM:
 183         {
 184             if(Item *item = GetPlayer()->GetItemByGuid(guid))
 185                 pLoot = &item->loot;
 186             break;
 187         }
 188         case HIGHGUID_UNIT:
 189         {
 190             Creature* pCreature = ObjectAccessor::GetCreature(*GetPlayer(), guid);
 191
 192             bool ok_loot = pCreature && pCreature->isAlive() == (player->getClass()==CLASS_ROGUE && pCreature->lootForPickPocketed);
 193
 194             if ( ok_loot && pCreature->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
 195                 pLoot = &pCreature->loot ;
 196
 197             break;
 198         }
 199         default:
 200             return;                                         // unlootable type
 201     }
 202
 203     if( pLoot )
 204     {
 205         if (!IS_ITEM_GUID(guid) && player->GetGroup())      //item can be looted only single player
 206         {
 207             Group *group = player->GetGroup();
 208
 209             std::vector<Player*> playersNear;
 210             for(GroupReference *itr = group->GetFirstMember(); itr != NULL; itr = itr->next())
 211             {
 212                 Player* playerGroup = itr->getSource();
 213                 if(!playerGroup)
 214                     continue;
 215                 if (player->GetDistance2d(playerGroup) < sWorld.getConfig(CONFIG_GROUP_XP_DISTANCE))
 216                     playersNear.push_back(playerGroup);
 217             }
 218
 219             uint32 money_per_player = uint32((pLoot->gold)/(playersNear.size()));
 220
 221             for (std::vector<Player*>::iterator i = playersNear.begin(); i != playersNear.end(); ++i)
 222             {
 223                 (*i)->ModifyMoney( money_per_player );
 224                 //Offset surely incorrect, but works
 225                 WorldPacket data( SMSG_LOOT_MONEY_NOTIFY, 4 );
 226                 data << uint32(money_per_player);
 227                 (*i)->GetSession()->SendPacket( &data );
 228             }
 229         }
 230         else
 231             player->ModifyMoney( pLoot->gold );
 232         pLoot->gold = 0;
 233         pLoot->NotifyMoneyRemoved();
 234     }
 235 }
 236
 237 void WorldSession::HandleLootOpcode( WorldPacket & recv_data )
 238 {
 239     CHECK_PACKET_SIZE(recv_data,8);
 240
 241     sLog.outDebug("WORLD: CMSG_LOOT");
 242
 243     uint64 guid;
 244     recv_data >> guid;
 245
 246     GetPlayer()->SendLoot(guid, LOOT_CORPSE);
 247 }
 248
 249 void WorldSession::HandleLootReleaseOpcode( WorldPacket & recv_data )
 250 {
 251     CHECK_PACKET_SIZE(recv_data,8);
 252
 253     sLog.outDebug("WORLD: CMSG_LOOT_RELEASE");
 254
 255     // cheaters can modify lguid to prevent correct apply loot release code and re-loot
 256     // use internal stored guid
 257     //uint64   lguid;
 258     //recv_data >> lguid;
 259
 260     if(uint64 lguid = GetPlayer()->GetLootGUID())
 261         DoLootRelease(lguid);
 262 }
 263
 264 void WorldSession::DoLootRelease( uint64 lguid )
 265 {
 266     Player  *player = GetPlayer();
 267     Loot    *loot;
 268
 269     player->SetLootGUID(0);
 270     player->SendLootRelease(lguid);
 271
 272     player->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_LOOTING);
 273
 274     if (IS_GAMEOBJECT_GUID(lguid))
 275     {
 276         GameObject *go =
 277             ObjectAccessor::GetGameObject(*player, lguid);
 278
 279         // not check distance for GO in case owned GO (fishing bobber case, for example) or Fishing hole GO
 280         if (!go || (go->GetOwnerGUID() != _player->GetGUID() && go->GetGoType() != GAMEOBJECT_TYPE_FISHINGHOLE) && !go->IsWithinDistInMap(_player,INTERACTION_DISTANCE))
 281             return;
 282
 283         loot = &go->loot;
 284
 285         if (go->GetGoType() == GAMEOBJECT_TYPE_DOOR)
 286         {
 287             // locked doors are opened with spelleffect openlock, prevent remove its as looted
 288             go->UseDoorOrButton();
 289         }
 290         else if (loot->isLooted() || go->GetGoType() == GAMEOBJECT_TYPE_FISHINGNODE)
 291         {
 292             // GO is mineral vein? so it is not removed after its looted
 293             if(go->GetGoType() == GAMEOBJECT_TYPE_CHEST)
 294             {
 295                 uint32 go_min = go->GetGOInfo()->chest.minSuccessOpens;
 296                 uint32 go_max = go->GetGOInfo()->chest.maxSuccessOpens;
 297
 298                 // only vein pass this check
 299                 if(go_min != 0 && go_max > go_min)
 300                 {
 301                     float amount_rate = sWorld.getRate(RATE_MINING_AMOUNT);
 302                     float min_amount = go_min*amount_rate;
 303                     float max_amount = go_max*amount_rate;
 304
 305                     go->AddUse();
 306                     float uses = float(go->GetUseCount());
 307
 308                     if(uses < max_amount)
 309                     {
 310                         if(uses >= min_amount)
 311                         {
 312                             float chance_rate = sWorld.getRate(RATE_MINING_NEXT);
 313
 314                             int32 ReqValue = 175;
 315                             LockEntry const *lockInfo = sLockStore.LookupEntry(go->GetGOInfo()->chest.lockId);
 316                             if(lockInfo)
 317                                 ReqValue = lockInfo->requiredminingskill;
 318                             float skill = float(player->GetSkillValue(SKILL_MINING))/(ReqValue+25);
 319                             double chance = pow(0.8*chance_rate,4*(1/double(max_amount))*double(uses));
 320                             if(roll_chance_f(100*chance+skill))
 321                             {
 322                                 go->SetLootState(GO_READY);
 323                             }
 324                             else                            // not have more uses
 325                                 go->SetLootState(GO_JUST_DEACTIVATED);
 326                         }
 327                         else                                // 100% chance until min uses
 328                             go->SetLootState(GO_READY);
 329                     }
 330                     else                                    // max uses already
 331                         go->SetLootState(GO_JUST_DEACTIVATED);
 332                 }
 333                 else                                        // not vein
 334                     go->SetLootState(GO_JUST_DEACTIVATED);
 335             }
 336             else if (go->GetGoType() == GAMEOBJECT_TYPE_FISHINGHOLE)
 337             {                                               // The fishing hole used once more
 338                 go->AddUse();                               // if the max usage is reached, will be despawned in next tick
 339                 if (go->GetUseCount()>=irand(go->GetGOInfo()->fishinghole.minSuccessOpens,go->GetGOInfo()->fishinghole.maxSuccessOpens))
 340                 {
 341                     go->SetLootState(GO_JUST_DEACTIVATED);
 342                 }
 343                 else
 344                     go->SetLootState(GO_READY);
 345             }
 346             else // not chest (or vein/herb/etc)
 347                 go->SetLootState(GO_JUST_DEACTIVATED);
 348
 349             loot->clear();
 350         }
 351         else
 352             // not fully looted object
 353             go->SetLootState(GO_ACTIVATED);
 354     }
 355     else if (IS_CORPSE_GUID(lguid))        // ONLY remove insignia at BG
 356     {
 357         Corpse *corpse = ObjectAccessor::GetCorpse(*player, lguid);
 358         if (!corpse || !corpse->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
 359             return;
 360
 361         loot = &corpse->loot;
 362
 363         if (loot->isLooted())
 364         {
 365             loot->clear();
 366             corpse->RemoveFlag(CORPSE_FIELD_DYNAMIC_FLAGS, CORPSE_DYNFLAG_LOOTABLE);
 367         }
 368     }
 369     else if (IS_ITEM_GUID(lguid))
 370     {
 371         Item *pItem = player->GetItemByGuid(lguid );
 372         if(!pItem)
 373             return;
 374         if( (pItem->GetProto()->BagFamily & BAG_FAMILY_MASK_MINING_SUPP) &&
 375             pItem->GetProto()->Class == ITEM_CLASS_TRADE_GOODS &&
 376             pItem->GetCount() >= 5)
 377         {
 378             pItem->m_lootGenerated = false;
 379             pItem->loot.clear();
 380
 381             uint32 count = 5;
 382             player->DestroyItemCount(pItem, count, true);
 383         }
 384         else
 385             // 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.
 386             player->DestroyItem( pItem->GetBagSlot(),pItem->GetSlot(), true);
 387         return;                                             // item can be looted only single player
 388     }
 389     else
 390     {
 391         Creature* pCreature = ObjectAccessor::GetCreature(*player, lguid);
 392
 393         bool ok_loot = pCreature && pCreature->isAlive() == (player->getClass()==CLASS_ROGUE && pCreature->lootForPickPocketed);
 394         if ( !ok_loot || !pCreature->IsWithinDistInMap(_player,INTERACTION_DISTANCE) )
 395             return;
 396
 397         loot = &pCreature->loot;
 398
 399         // update next looter
 400         if(Player *recipient = pCreature->GetLootRecipient())
 401             if(Group* group = recipient->GetGroup())
 402                 if (group->GetLooterGuid() == player->GetGUID())
 403                     group->UpdateLooterGuid(pCreature);
 404
 405         if (loot->isLooted())
 406         {
 407             // skip pickpocketing loot for speed, skinning timer redunction is no-op in fact
 408             if(!pCreature->isAlive())
 409                 pCreature->AllLootRemovedFromCorpse();
 410
 411             pCreature->RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
 412             loot->clear();
 413         }
 414     }
 415
 416     //Player is not looking at loot list, he doesn't need to see updates on the loot list
 417     loot->RemoveLooter(player->GetGUID());
 418 }
 419
 420 void WorldSession::HandleLootMasterGiveOpcode( WorldPacket & recv_data )
 421 {
 422     CHECK_PACKET_SIZE(recv_data,8+1+8);
 423
 424     uint8 slotid;
 425     uint64 lootguid, target_playerguid;
 426
 427     recv_data >> lootguid >> slotid >> target_playerguid;
 428
 429     if(!_player->GetGroup() || _player->GetGroup()->GetLooterGuid() != _player->GetGUID())
 430     {
 431         _player->SendLootRelease(GetPlayer()->GetLootGUID());
 432         return;
 433     }
 434
 435     Player *target = ObjectAccessor::FindPlayer(MAKE_NEW_GUID(target_playerguid, 0, HIGHGUID_PLAYER));
 436     if(!target)
 437         return;
 438
 439     sLog.outDebug("WorldSession::HandleLootMasterGiveOpcode (CMSG_LOOT_MASTER_GIVE, 0x02A3) Target = [%s].", target->GetName());
 440
 441     if(_player->GetLootGUID() != lootguid)
 442         return;
 443
 444     Loot *pLoot = NULL;
 445
 446     if(IS_CREATURE_GUID(GetPlayer()->GetLootGUID()))
 447     {
 448         Creature *pCreature = ObjectAccessor::GetCreature(*GetPlayer(), lootguid);
 449         if(!pCreature)
 450             return;
 451
 452         pLoot = &pCreature->loot;
 453     }
 454     else if(IS_GAMEOBJECT_GUID(GetPlayer()->GetLootGUID()))
 455     {
 456         GameObject *pGO = ObjectAccessor::GetGameObject(*GetPlayer(), lootguid);
 457         if(!pGO)
 458             return;
 459
 460         pLoot = &pGO->loot;
 461     }
 462
 463     if(!pLoot)
 464         return;
 465
 466     if (slotid > pLoot->items.size())
 467     {
 468         sLog.outDebug("AutoLootItem: Player %s might be using a hack! (slot %d, size %d)",GetPlayer()->GetName(), slotid, pLoot->items.size());
 469         return;
 470     }
 471
 472     LootItem& item = pLoot->items[slotid];
 473
 474     ItemPosCountVec dest;
 475     uint8 msg = target->CanStoreNewItem( NULL_BAG, NULL_SLOT, dest, item.itemid, item.count );
 476     if ( msg != EQUIP_ERR_OK )
 477     {
 478         target->SendEquipError( msg, NULL, NULL );
 479         _player->SendEquipError( msg, NULL, NULL );         // send duplicate of error massage to master looter
 480         return;
 481     }
 482
 483     // not move item from loot to target inventory
 484     Item * newitem = target->StoreNewItem( dest, item.itemid, true, item.randomPropertyId );
 485     target->SendNewItem(newitem, uint32(item.count), false, false, true );
 486
 487     // mark as looted
 488     item.count=0;
 489     item.is_looted=true;
 490
 491
 492     pLoot->NotifyItemRemoved(slotid);
 493     --pLoot->unlootedCount;
 494 }