src/game/CombatHandler.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 "Log.h"
  21 #include "WorldPacket.h"
  22 #include "WorldSession.h"
  23 #include "World.h"
  24 #include "ObjectAccessor.h"
  25 #include "CreatureAI.h"
  26 #include "ObjectDefines.h"
  27
  28 void WorldSession::HandleAttackSwingOpcode( WorldPacket & recv_data )
  29 {
  30     CHECK_PACKET_SIZE(recv_data,8);
  31
  32     uint64 guid;
  33     recv_data >> guid;
  34
  35     DEBUG_LOG( "WORLD: Recvd CMSG_ATTACKSWING Message guidlow:%u guidhigh:%u", GUID_LOPART(guid), GUID_HIPART(guid) );
  36
  37     Unit *pEnemy = ObjectAccessor::GetUnit(*_player, guid);
  38
  39     if(!pEnemy)
  40     {
  41         if(!IS_UNIT_GUID(guid))
  42             sLog.outError("WORLD: Object %u (TypeID: %u) isn't player, pet or creature",GUID_LOPART(guid),GuidHigh2TypeId(GUID_HIPART(guid)));
  43         else
  44             sLog.outError( "WORLD: Enemy %s %u not found",GetLogNameForGuid(guid),GUID_LOPART(guid));
  45
  46         // stop attack state at client
  47         SendAttackStop(NULL);
  48         return;
  49     }
  50
  51     if(_player->IsFriendlyTo(pEnemy) || pEnemy->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE))
  52     {
  53         sLog.outError( "WORLD: Enemy %s %u is friendly",(IS_PLAYER_GUID(guid) ? "player" : "creature"),GUID_LOPART(guid));
  54
  55         // stop attack state at client
  56         SendAttackStop(pEnemy);
  57         return;
  58     }
  59
  60     if(!pEnemy->isAlive())
  61     {
  62         // client can generate swing to known dead target if autoswitch between autoshot and autohit is enabled in client options
  63         // stop attack state at client
  64         SendAttackStop(pEnemy);
  65         return;
  66     }
  67
  68     _player->Attack(pEnemy,true);
  69 }
  70
  71 void WorldSession::HandleAttackStopOpcode( WorldPacket & /*recv_data*/ )
  72 {
  73     GetPlayer()->AttackStop();
  74 }
  75
  76 void WorldSession::HandleSetSheathedOpcode( WorldPacket & recv_data )
  77 {
  78     CHECK_PACKET_SIZE(recv_data,4);
  79
  80     uint32 sheathed;
  81     recv_data >> sheathed;
  82
  83     //sLog.outDebug( "WORLD: Recvd CMSG_SETSHEATHED Message guidlow:%u value1:%u", GetPlayer()->GetGUIDLow(), sheathed );
  84
  85     GetPlayer()->SetSheath(sheathed);
  86 }
  87
  88 void WorldSession::SendAttackStop(Unit const* enemy)
  89 {
  90     WorldPacket data( SMSG_ATTACKSTOP, (4+20) );            // we guess size
  91     data.append(GetPlayer()->GetPackGUID());
  92     data.append(enemy ? enemy->GetPackGUID() : 0);          // must be packed guid
  93     data << uint32(0);                                      // unk, can be 1 also
  94     SendPacket(&data);
  95 }