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