src/game/CombatHandler.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 "Log.h"
  21 #include "WorldPacket.h"
  22 #include "WorldSession.h"
  23 #include "ObjectAccessor.h"
  24 #include "CreatureAI.h"
  25 #include "ObjectDefines.h"
  26
  27 void WorldSession::HandleAttackSwingOpcode( WorldPacket & recv_data )
  28 {
  29     CHECK_PACKET_SIZE(recv_data,8);
  30
  31     uint64 guid;
  32     recv_data >> guid;
  33
  34     DEBUG_LOG( "WORLD: Recvd CMSG_ATTACKSWING Message guidlow:%u guidhigh:%u", GUID_LOPART(guid), GUID_HIPART(guid) );
  35
  36     Unit *pEnemy = ObjectAccessor::GetUnit(*_player, guid);
  37
  38     if(!pEnemy)
  39     {
  40         if(!IS_UNIT_GUID(guid))
  41             sLog.outError("WORLD: Object %u (TypeID: %u) isn't player, pet or creature",GUID_LOPART(guid),GuidHigh2TypeId(GUID_HIPART(guid)));
  42         else
  43             sLog.outError( "WORLD: Enemy %s %u not found",GetLogNameForGuid(guid),GUID_LOPART(guid));
  44
  45         // stop attack state at client
  46         SendAttackStop(NULL);
  47         return;
  48     }
  49
  50     if(_player->IsFriendlyTo(pEnemy) || pEnemy->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE))
  51     {
  52         sLog.outError( "WORLD: Enemy %s %u is friendly",(IS_PLAYER_GUID(guid) ? "player" : "creature"),GUID_LOPART(guid));
  53
  54         // stop attack state at client
  55         SendAttackStop(pEnemy);
  56         return;
  57     }
  58
  59     if(!pEnemy->isAlive())
  60     {
  61         // client can generate swing to known dead target if autoswitch between autoshot and autohit is enabled in client options
  62         // stop attack state at client
  63         SendAttackStop(pEnemy);
  64         return;
  65     }
  66
  67     _player->Attack(pEnemy,true);
  68 }
  69
  70 void WorldSession::HandleAttackStopOpcode( WorldPacket & /*recv_data*/ )
  71 {
  72     GetPlayer()->AttackStop();
  73 }
  74
  75 void WorldSession::HandleSetSheathedOpcode( WorldPacket & recv_data )
  76 {
  77     CHECK_PACKET_SIZE(recv_data,4);
  78
  79     uint32 sheathed;
  80     recv_data >> sheathed;
  81
  82     //sLog.outDebug( "WORLD: Recvd CMSG_SETSHEATHED Message guidlow:%u value1:%u", GetPlayer()->GetGUIDLow(), sheathed );
  83
  84     GetPlayer()->SetSheath(sheathed);
  85 }
  86
  87 void WorldSession::SendAttackStop(Unit const* enemy)
  88 {
  89     WorldPacket data( SMSG_ATTACKSTOP, (4+20) );            // we guess size
  90     data.append(GetPlayer()->GetPackGUID());
  91     data.append(enemy ? enemy->GetPackGUID() : 0);          // must be packed guid
  92     data << uint32(0);                                      // unk, can be 1 also
  93     SendPacket(&data);
  94 }