src/game/DynamicObject.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 "GameObject.h"
  21 #include "UpdateMask.h"
  22 #include "Opcodes.h"
  23 #include "WorldPacket.h"
  24 #include "WorldSession.h"
  25 #include "World.h"
  26 #include "ObjectAccessor.h"
  27 #include "Database/DatabaseEnv.h"
  28 #include "SpellAuras.h"
  29 #include "MapManager.h"
  30 #include "GridNotifiers.h"
  31 #include "CellImpl.h"
  32 #include "GridNotifiersImpl.h"
  33
  34 DynamicObject::DynamicObject() : WorldObject()
  35 {
  36     m_objectType |= TYPEMASK_DYNAMICOBJECT;
  37     m_objectTypeId = TYPEID_DYNAMICOBJECT;
  38                                                             // 2.3.2 - 0x58
  39     m_updateFlag = (UPDATEFLAG_LOWGUID | UPDATEFLAG_HIGHGUID | UPDATEFLAG_HAS_POSITION);
  40
  41     m_valuesCount = DYNAMICOBJECT_END;
  42 }
  43
  44 void DynamicObject::AddToWorld()
  45 {
  46     ///- Register the dynamicObject for guid lookup
  47     if(!IsInWorld()) ObjectAccessor::Instance().AddObject(this);
  48     Object::AddToWorld();
  49 }
  50
  51 void DynamicObject::RemoveFromWorld()
  52 {
  53     ///- Remove the dynamicObject from the accessor
  54     if(IsInWorld()) ObjectAccessor::Instance().RemoveObject(this);
  55     Object::RemoveFromWorld();
  56 }
  57
  58 bool DynamicObject::Create( uint32 guidlow, Unit *caster, uint32 spellId, uint32 effIndex, float x, float y, float z, int32 duration, float radius )
  59 {
  60     SetInstanceId(caster->GetInstanceId());
  61
  62     WorldObject::_Create(guidlow, HIGHGUID_DYNAMICOBJECT, caster->GetMapId());
  63     Relocate(x,y,z,0);
  64
  65     if(!IsPositionValid())
  66     {
  67         sLog.outError("ERROR: DynamicObject (spell %u eff %u) not created. Suggested coordinates isn't valid (X: %f Y: %f)",spellId,effIndex,GetPositionX(),GetPositionY());
  68         return false;
  69     }
  70
  71     SetEntry(spellId);
  72     SetFloatValue( OBJECT_FIELD_SCALE_X, 1 );
  73     SetUInt64Value( DYNAMICOBJECT_CASTER, caster->GetGUID() );
  74     SetUInt32Value( DYNAMICOBJECT_BYTES, 0x00000001 );
  75     SetUInt32Value( DYNAMICOBJECT_SPELLID, spellId );
  76     SetFloatValue( DYNAMICOBJECT_RADIUS, radius);
  77     SetFloatValue( DYNAMICOBJECT_POS_X, x );
  78     SetFloatValue( DYNAMICOBJECT_POS_Y, y );
  79     SetFloatValue( DYNAMICOBJECT_POS_Z, z );
  80     SetUInt32Value( DYNAMICOBJECT_CASTTIME, getMSTime() );  // new 2.4.0
  81
  82     m_aliveDuration = duration;
  83     m_radius = radius;
  84     m_effIndex = effIndex;
  85     m_spellId = spellId;
  86     m_casterGuid = caster->GetGUID();
  87     return true;
  88 }
  89
  90 Unit* DynamicObject::GetCaster() const
  91 {
  92     // can be not found in some cases
  93     return ObjectAccessor::GetUnit(*this,m_casterGuid);
  94 }
  95
  96 void DynamicObject::Update(uint32 p_time)
  97 {
  98     // caster can be not in world at time dynamic object update, but dynamic object not yet deleted in Unit destructor
  99     Unit* caster = GetCaster();
 100     if(!caster)
 101     {
 102         Delete();
 103         return;
 104     }
 105
 106     bool deleteThis = false;
 107
 108     if(m_aliveDuration > int32(p_time))
 109         m_aliveDuration -= p_time;
 110     else
 111         deleteThis = true;
 112
 113     // TODO: make a timer and update this in larger intervals
 114     CellPair p(MaNGOS::ComputeCellPair(GetPositionX(), GetPositionY()));
 115     Cell cell(p);
 116     cell.data.Part.reserved = ALL_DISTRICT;
 117     cell.SetNoCreate();
 118
 119     MaNGOS::DynamicObjectUpdater notifier(*this,caster);
 120
 121     TypeContainerVisitor<MaNGOS::DynamicObjectUpdater, WorldTypeMapContainer > world_object_notifier(notifier);
 122     TypeContainerVisitor<MaNGOS::DynamicObjectUpdater, GridTypeMapContainer > grid_object_notifier(notifier);
 123
 124     CellLock<GridReadGuard> cell_lock(cell, p);
 125     cell_lock->Visit(cell_lock, world_object_notifier, *GetMap());
 126     cell_lock->Visit(cell_lock, grid_object_notifier,  *GetMap());
 127
 128     if(deleteThis)
 129     {
 130         caster->RemoveDynObjectWithGUID(GetGUID());
 131         Delete();
 132     }
 133 }
 134
 135 void DynamicObject::Delete()
 136 {
 137     SendObjectDeSpawnAnim(GetGUID());
 138     AddObjectToRemoveList();
 139 }
 140
 141 void DynamicObject::Delay(int32 delaytime)
 142 {
 143     m_aliveDuration -= delaytime;
 144     for(AffectedSet::iterator iunit= m_affected.begin();iunit != m_affected.end();++iunit)
 145         if (*iunit)
 146             (*iunit)->DelayAura(m_spellId, m_effIndex, delaytime);
 147 }
 148
 149 bool DynamicObject::isVisibleForInState(Player const* u, bool inVisibleList) const
 150 {
 151     return IsInWorld() && u->IsInWorld() && IsWithinDistInMap(u,World::GetMaxVisibleDistanceForObject()+(inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f), false);
 152 }