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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "Common.h"
#include "UpdateMask.h"
#include "Opcodes.h"
#include "World.h"
#include "ObjectAccessor.h"
#include "Database/DatabaseEnv.h"
#include "GridNotifiers.h"
#include "CellImpl.h"
#include "GridNotifiersImpl.h"
DynamicObject::DynamicObject() : WorldObject()
{
m_objectType |= TYPEMASK_DYNAMICOBJECT;
m_objectTypeId = TYPEID_DYNAMICOBJECT;
m_updateFlag = (UPDATEFLAG_HIGHGUID | UPDATEFLAG_HAS_POSITION | UPDATEFLAG_POSITION);
m_valuesCount = DYNAMICOBJECT_END;
m_aura = 0;
m_duration = 0;
}
void DynamicObject::AddToWorld()
{
///- Register the dynamicObject for guid lookup
if (!IsInWorld())
{
ObjectAccessor::Instance().AddObject(this);
WorldObject::AddToWorld();
}
}
void DynamicObject::RemoveFromWorld()
{
///- Remove the dynamicObject from the accessor
if (IsInWorld())
{
if (m_isWorldObject)
{
if (Unit *caster = GetCaster())
{
if (caster->GetTypeId() == TYPEID_PLAYER)
caster->ToPlayer()->SetViewpoint(this, false);
}
else
{
sLog.outCrash("DynamicObject::RemoveFromWorld cannot find viewpoint owner");
}
}
WorldObject::RemoveFromWorld();
ObjectAccessor::Instance().RemoveObject(this);
}
}
bool DynamicObject::Create(uint32 guidlow, Unit *caster, uint32 spellId, const Position &pos, float radius, bool active)
{
SetMap(caster->GetMap());
Relocate(pos);
if (!IsPositionValid())
{
sLog.outError("DynamicObject (spell %u) not created. Suggested coordinates isn't valid (X: %f Y: %f)",spellId,GetPositionX(),GetPositionY());
return false;
}
WorldObject::_Create(guidlow, HIGHGUID_DYNAMICOBJECT, caster->GetPhaseMask());
SetEntry(spellId);
SetFloatValue( OBJECT_FIELD_SCALE_X, 1 );
SetUInt64Value( DYNAMICOBJECT_CASTER, caster->GetGUID() );
// The lower word of DYNAMICOBJECT_BYTES must be 0x0001. This value means that the visual radius will be overriden
// by client for most of the "ground patch" visual effect spells and a few "skyfall" ones like Hurricane.
// If any other value is used, the client will _always_ use the radius provided in DYNAMICOBJECT_RADIUS, but
// precompensation is necessary (eg radius *= 2) for many spells. Anyway, blizz sends 0x0001 for all the spells
// I saw sniffed...
SetUInt32Value( DYNAMICOBJECT_BYTES, 0x00000001 );
SetUInt32Value( DYNAMICOBJECT_SPELLID, spellId );
SetFloatValue( DYNAMICOBJECT_RADIUS, radius );
SetUInt32Value( DYNAMICOBJECT_CASTTIME, getMSTime() );
m_isWorldObject = active;
return true;
}
Unit* DynamicObject::GetCaster() const
{
// can be not found in some cases
return ObjectAccessor::GetUnit(*this, GetCasterGUID());
}
void DynamicObject::Update(uint32 p_time)
{
// caster can be not in world at time dynamic object update, but dynamic object not yet deleted in Unit destructor
Unit* caster = GetCaster();
if (!caster)
{
Delete();
return;
}
bool expired = false;
if (m_aura)
{
if (!m_aura->IsRemoved())
m_aura->UpdateOwner(p_time, this);
// m_aura may be set to null in Unit::RemoveGameObject call
if (m_aura && (m_aura->IsRemoved() || m_aura->IsExpired()))
expired = true;
}
else
{
if (GetDuration() > int32(p_time))
m_duration -= p_time;
else
expired = true;
}
if (expired)
{
caster->RemoveDynObjectWithGUID(GetGUID());
Delete();
}
}
void DynamicObject::Delete()
{
if (m_aura)
{
// dynObj may be removed in Aura::Remove - we cannot delete there
// so recheck aura here
if (!m_aura->IsRemoved())
m_aura->_Remove(AURA_REMOVE_BY_DEFAULT);
delete m_aura;
m_aura = NULL;
}
SendObjectDeSpawnAnim(GetGUID());
RemoveFromWorld();
AddObjectToRemoveList();
}
int32 DynamicObject::GetDuration() const
{
if (!m_aura)
return m_duration;
else
return m_aura->GetDuration();
}
void DynamicObject::SetDuration(int32 newDuration)
{
if (!m_aura)
m_duration = newDuration;
else
m_aura->SetDuration(newDuration);
}
void DynamicObject::Delay(int32 delaytime)
{
SetDuration(GetDuration() - delaytime);
}
bool DynamicObject::isVisibleForInState(Player const* u, bool inVisibleList) const
{
return IsInWorld() && u->IsInWorld()
&& (IsWithinDistInMap(u->m_seer,World::GetMaxVisibleDistanceForObject()+(inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f), false));
}
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