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