DynamicObject.cpp

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/*
* This file is part of Project SkyFire https://www.projectskyfire.org.
* See LICENSE.md file for Copyright information
*/
 
#include "CellImpl.h"
#include "Common.h"
#include "DatabaseEnv.h"
#include "GridNotifiers.h"
#include "GridNotifiersImpl.h"
#include "ObjectAccessor.h"
#include "Opcodes.h"
#include "ScriptMgr.h"
#include "UpdateMask.h"
#include "World.h"
 
DynamicObject::DynamicObject(bool isWorldObject) : WorldObject(isWorldObject),
_aura(NULL), _removedAura(NULL), _caster(NULL), _duration(0), _isViewpoint(false)
{
    m_objectType |= TYPEMASK_DYNAMICOBJECT;
    m_objectTypeId = TypeID::TYPEID_DYNAMICOBJECT;
 
    m_updateFlag = UPDATEFLAG_STATIONARY_POSITION;
 
    m_valuesCount = DYNAMICOBJECT_END;
}
 
DynamicObject::~DynamicObject()
{
    // make sure all references were properly removed
    ASSERT(!_aura);
    ASSERT(!_caster);
    ASSERT(!_isViewpoint);
    delete _removedAura;
}
 
void DynamicObject::AddToWorld()
{
    if (!IsInWorld())
    {
        sObjectAccessor->AddObject(this);
        WorldObject::AddToWorld();
        BindToCaster();
    }
}
 
void DynamicObject::RemoveFromWorld()
{
    if (IsInWorld())
    {
        if (_isViewpoint)
            RemoveCasterViewpoint();
 
        if (_aura)
            RemoveAura();
 
        // dynobj could get removed in Aura::RemoveAura
        if (!IsInWorld())
            return;
 
        UnbindFromCaster();
        WorldObject::RemoveFromWorld();
        sObjectAccessor->RemoveObject(this);
    }
}
 
bool DynamicObject::CreateDynamicObject(uint32 guidlow, Unit* caster, SpellInfo const* spell, Position const& pos, float radius, DynamicObjectType type)
{
    SetMap(caster->GetMap());
    Relocate(pos);
    if (!IsPositionValid())
    {
        SF_LOG_ERROR("misc", "DynamicObject (spell %u) not created. Suggested coordinates isn't valid (X: %f Y: %f)", spell->Id, GetPositionX(), GetPositionY());
        return false;
    }
 
    WorldObject::_Create(guidlow, HIGHGUID_DYNAMICOBJECT, caster->GetPhaseMask());
    SetEntry(spell->Id);
    SetObjectScale(1);
    SetUInt64Value(DYNAMICOBJECT_FIELD_CASTER, caster->GetGUID());
    SetUInt32Value(DYNAMICOBJECT_FIELD_TYPE_AND_VISUAL_ID, spell->SpellVisual[0] | (type << 28));
    SetUInt32Value(DYNAMICOBJECT_FIELD_SPELL_ID, spell->Id);
    SetFloatValue(DYNAMICOBJECT_FIELD_RADIUS, radius);
    SetUInt32Value(DYNAMICOBJECT_FIELD_CAST_TIME, getMSTime());
 
    SetDuration(spell->GetDuration());
 
    if (IsWorldObject())
        setActive(true);    //must before add to map to be put in world container
 
    if (!GetMap()->AddToMap(this))
        return false;
 
    return true;
}
 
void DynamicObject::Update(uint32 p_time)
{
    // caster has to be always available and in the same map
    ASSERT(_caster);
    ASSERT(_caster->GetMap() == GetMap());
 
    bool expired = false;
 
    if (_aura)
    {
        if (!_aura->IsRemoved())
            _aura->UpdateOwner(p_time, this);
 
        // _aura may be set to null in Aura::UpdateOwner call
        if (_aura && (_aura->IsRemoved() || _aura->IsExpired()))
            expired = true;
    }
    else
    {
        if (GetDuration() > int32(p_time))
            _duration -= p_time;
        else
            expired = true;
    }
 
    if (expired)
        Remove();
    else
        sScriptMgr->OnDynamicObjectUpdate(this, p_time);
}
 
void DynamicObject::Remove()
{
    if (IsInWorld())
    {
        SendObjectDeSpawnAnim(GetGUID());
        RemoveFromWorld();
        AddObjectToRemoveList();
    }
}
 
int32 DynamicObject::GetDuration() const
{
    if (!_aura)
        return _duration;
    else
        return _aura->GetDuration();
}
 
void DynamicObject::SetDuration(int32 newDuration)
{
    if (!_aura)
        _duration = newDuration;
    else
        _aura->SetDuration(newDuration);
}
 
void DynamicObject::Delay(int32 delaytime)
{
    SetDuration(GetDuration() - delaytime);
}
 
void DynamicObject::SetAura(Aura* aura)
{
    ASSERT(!_aura && aura);
    _aura = aura;
}
 
void DynamicObject::RemoveAura()
{
    ASSERT(_aura && !_removedAura);
    _removedAura = _aura;
    _aura = NULL;
    if (!_removedAura->IsRemoved())
        _removedAura->_Remove(AURA_REMOVE_BY_DEFAULT);
}
 
void DynamicObject::SetCasterViewpoint()
{
    if (Player* caster = _caster->ToPlayer())
    {
        caster->SetViewpoint(this, true);
        _isViewpoint = true;
    }
}
 
void DynamicObject::RemoveCasterViewpoint()
{
    if (Player* caster = _caster->ToPlayer())
    {
        caster->SetViewpoint(this, false);
        _isViewpoint = false;
    }
}
 
void DynamicObject::BindToCaster()
{
    ASSERT(!_caster);
    _caster = ObjectAccessor::GetUnit(*this, GetCasterGUID());
    ASSERT(_caster);
    ASSERT(_caster->GetMap() == GetMap());
    _caster->_RegisterDynObject(this);
}
 
void DynamicObject::UnbindFromCaster()
{
    ASSERT(_caster);
    _caster->_UnregisterDynObject(this);
    _caster = NULL;
}