src/game/Corpse.cpp

   1 /*
   2  * Copyright (C) 2005-2010 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 "Corpse.h"
  21 #include "Player.h"
  22 #include "UpdateMask.h"
  23 #include "ObjectAccessor.h"
  24 #include "ObjectDefines.h"
  25 #include "Database/DatabaseEnv.h"
  26 #include "Opcodes.h"
  27 #include "GossipDef.h"
  28 #include "World.h"
  29
  30 Corpse::Corpse(CorpseType type) : WorldObject()
  31 {
  32     m_objectType |= TYPEMASK_CORPSE;
  33     m_objectTypeId = TYPEID_CORPSE;
  34
  35     m_updateFlag = (UPDATEFLAG_HIGHGUID | UPDATEFLAG_HAS_POSITION | UPDATEFLAG_POSITION);
  36
  37     m_valuesCount = CORPSE_END;
  38
  39     m_type = type;
  40
  41     m_time = time(NULL);
  42
  43     lootForBody = false;
  44 }
  45
  46 Corpse::~Corpse()
  47 {
  48 }
  49
  50 void Corpse::AddToWorld()
  51 {
  52     ///- Register the corpse for guid lookup
  53     if(!IsInWorld())
  54         sObjectAccessor.AddObject(this);
  55
  56     Object::AddToWorld();
  57 }
  58
  59 void Corpse::RemoveFromWorld()
  60 {
  61     ///- Remove the corpse from the accessor
  62     if(IsInWorld())
  63         sObjectAccessor.RemoveObject(this);
  64
  65     Object::RemoveFromWorld();
  66 }
  67
  68 bool Corpse::Create( uint32 guidlow )
  69 {
  70     Object::_Create(guidlow, 0, HIGHGUID_CORPSE);
  71     return true;
  72 }
  73
  74 bool Corpse::Create( uint32 guidlow, Player *owner)
  75 {
  76     ASSERT(owner);
  77
  78     WorldObject::_Create(guidlow, HIGHGUID_CORPSE, owner->GetPhaseMask());
  79     Relocate(owner->GetPositionX(), owner->GetPositionY(), owner->GetPositionZ(), owner->GetOrientation());
  80
  81     //we need to assign owner's map for corpse
  82     //in other way we will get a crash in Corpse::SaveToDB()
  83     SetMap(owner->GetMap());
  84
  85     if(!IsPositionValid())
  86     {
  87         sLog.outError("Corpse (guidlow %d, owner %s) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
  88             guidlow, owner->GetName(), owner->GetPositionX(), owner->GetPositionY());
  89         return false;
  90     }
  91
  92     SetFloatValue( OBJECT_FIELD_SCALE_X, 1 );
  93     SetUInt64Value( CORPSE_FIELD_OWNER, owner->GetGUID() );
  94
  95     m_grid = MaNGOS::ComputeGridPair(GetPositionX(), GetPositionY());
  96
  97     return true;
  98 }
  99
 100 void Corpse::SaveToDB()
 101 {
 102     // prevent DB data inconsistence problems and duplicates
 103     CharacterDatabase.BeginTransaction();
 104     DeleteFromDB();
 105
 106     std::ostringstream ss;
 107     ss  << "INSERT INTO corpse (guid,player,position_x,position_y,position_z,orientation,zone,map,data,time,corpse_type,instance,phaseMask) VALUES ("
 108         << GetGUIDLow() << ", "
 109         << GUID_LOPART(GetOwnerGUID()) << ", "
 110         << GetPositionX() << ", "
 111         << GetPositionY() << ", "
 112         << GetPositionZ() << ", "
 113         << GetOrientation() << ", "
 114         << GetZoneId() << ", "
 115         << GetMapId() << ", '";
 116     for(uint16 i = 0; i < m_valuesCount; ++i )
 117         ss << GetUInt32Value(i) << " ";
 118     ss  << "',"
 119         << uint64(m_time) <<", "
 120         << uint32(GetType()) << ", "
 121         << int(GetInstanceId()) << ", "
 122         << uint16(GetPhaseMask()) << ")";           // prevent out of range error
 123     CharacterDatabase.Execute( ss.str().c_str() );
 124     CharacterDatabase.CommitTransaction();
 125 }
 126
 127 void Corpse::DeleteBonesFromWorld()
 128 {
 129     assert(GetType() == CORPSE_BONES);
 130     Corpse* corpse = GetMap()->GetCorpse(GetGUID());
 131
 132     if (!corpse)
 133     {
 134         sLog.outError("Bones %u not found in world.", GetGUIDLow());
 135         return;
 136     }
 137
 138     AddObjectToRemoveList();
 139 }
 140
 141 void Corpse::DeleteFromDB()
 142 {
 143     if(GetType() == CORPSE_BONES)
 144         // only specific bones
 145         CharacterDatabase.PExecute("DELETE FROM corpse WHERE guid = '%d'", GetGUIDLow());
 146     else
 147         // all corpses (not bones)
 148         CharacterDatabase.PExecute("DELETE FROM corpse WHERE player = '%d' AND corpse_type <> '0'",  GUID_LOPART(GetOwnerGUID()));
 149 }
 150
 151 bool Corpse::LoadFromDB(uint32 guid, QueryResult *result)
 152 {
 153     bool external = (result != NULL);
 154     if (!external)
 155         //                                        0          1          2          3           4   5    6    7           8        9
 156         result = CharacterDatabase.PQuery("SELECT position_x,position_y,position_z,orientation,map,data,time,corpse_type,instance,phaseMask FROM corpse WHERE guid = '%u'",guid);
 157
 158     if( !result )
 159     {
 160         sLog.outError("Corpse (GUID: %u) not found in table `corpse`, can't load. ",guid);
 161         return false;
 162     }
 163
 164     Field *fields = result->Fetch();
 165
 166     if(!LoadFromDB(guid, fields))
 167     {
 168         if (!external)
 169             delete result;
 170
 171         return false;
 172     }
 173
 174     if (!external)
 175         delete result;
 176
 177     return true;
 178 }
 179
 180 bool Corpse::LoadFromDB(uint32 guid, Field *fields)
 181 {
 182     //                                          0          1          2          3           4   5    6    7           8        9
 183     //result = CharacterDatabase.PQuery("SELECT position_x,position_y,position_z,orientation,map,data,time,corpse_type,instance,phaseMask FROM corpse WHERE guid = '%u'",guid);
 184     float positionX = fields[0].GetFloat();
 185     float positionY = fields[1].GetFloat();
 186     float positionZ = fields[2].GetFloat();
 187     float ort       = fields[3].GetFloat();
 188     uint32 mapid    = fields[4].GetUInt32();
 189
 190     Object::_Create(guid, 0, HIGHGUID_CORPSE);
 191
 192     if(!LoadValues( fields[5].GetString() ))
 193     {
 194         sLog.outError("Corpse #%d have broken data in `data` field. Can't be loaded.",guid);
 195         return false;
 196     }
 197
 198     m_time = time_t(fields[6].GetUInt64());
 199     m_type = CorpseType(fields[7].GetUInt32());
 200
 201     if(m_type >= MAX_CORPSE_TYPE)
 202     {
 203         sLog.outError("Corpse (guidlow %d, owner %d) have wrong corpse type, not load.",GetGUIDLow(),GUID_LOPART(GetOwnerGUID()));
 204         return false;
 205     }
 206
 207     uint32 instanceid  = fields[8].GetUInt32();
 208     uint32 phaseMask   = fields[9].GetUInt32();
 209
 210     // overwrite possible wrong/corrupted guid
 211     SetUInt64Value(OBJECT_FIELD_GUID, MAKE_NEW_GUID(guid, 0, HIGHGUID_CORPSE));
 212
 213     // place
 214     SetLocationInstanceId(instanceid);
 215     SetLocationMapId(mapid);
 216     SetPhaseMask(phaseMask, false);
 217     Relocate(positionX, positionY, positionZ, ort);
 218
 219     if(!IsPositionValid())
 220     {
 221         sLog.outError("Corpse (guidlow %d, owner %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
 222             GetGUIDLow(), GUID_LOPART(GetOwnerGUID()), GetPositionX(), GetPositionY());
 223         return false;
 224     }
 225
 226     m_grid = MaNGOS::ComputeGridPair(GetPositionX(), GetPositionY());
 227
 228     return true;
 229 }
 230
 231 bool Corpse::isVisibleForInState(Player const* u, WorldObject const* viewPoint, bool inVisibleList) const
 232 {
 233     return IsInWorld() && u->IsInWorld() && IsWithinDistInMap(viewPoint, World::GetMaxVisibleDistanceForObject() + (inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f), false);
 234 }