Totem.cpp

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/*
* This file is part of Project SkyFire https://www.projectskyfire.org.
* See LICENSE.md file for Copyright information
*/
 
#include "Group.h"
#include "Log.h"
#include "ObjectMgr.h"
#include "Opcodes.h"
#include "Player.h"
#include "SpellInfo.h"
#include "SpellMgr.h"
#include "Totem.h"
#include "WorldPacket.h"
 
Totem::Totem(SummonPropertiesEntry const* properties, Unit* owner) : Minion(properties, owner, false), m_duration(0)
{
    m_unitTypeMask |= UNIT_MASK_TOTEM;
    m_type = TOTEM_PASSIVE;
}
 
void Totem::Update(uint32 time)
{
    if (!GetOwner()->IsAlive() || !IsAlive())
    {
        UnSummon();                                         // remove self
        return;
    }
 
    if (m_duration <= time)
    {
        UnSummon();                                         // remove self
        return;
    }
    else
        m_duration -= time;
 
    Creature::Update(time);
}
 
void Totem::InitStats(uint32 duration)
{
    // client requires SMSG_TOTEM_CREATED to be sent before adding to world and before removing old totem
    if (GetOwner()->GetTypeId() == TypeID::TYPEID_PLAYER && m_Properties->Slot >= SUMMON_SLOT_TOTEM && m_Properties->Slot < MAX_TOTEM_SLOT)
    {
        ObjectGuid TotemGUID = GetGUID();
        uint32 SpellID = GetUInt32Value(UNIT_FIELD_CREATED_BY_SPELL);
        uint8 Slot = uint8(m_Properties->Slot - 1);
        GetOwner()->ToPlayer()->GetSession()->SendTotemCreated(TotemGUID, duration, SpellID, Slot);
 
        // set display id depending on caster's race
        SetDisplayId(GetOwner()->GetModelForTotem(PlayerTotemType(m_Properties->Id)));
    }
 
    Minion::InitStats(duration);
 
    // Get spell cast by totem
    if (SpellInfo const* totemSpell = sSpellMgr->GetSpellInfo(GetSpell()))
        if (totemSpell->CalcCastTime(getLevel()))   // If spell has cast time -> its an active totem
            m_type = TOTEM_ACTIVE;
 
    m_duration = duration;
 
    SetLevel(GetOwner()->getLevel());
}
 
void Totem::InitSummon()
{
    if (m_type == TOTEM_PASSIVE && GetSpell())
        CastSpell(this, GetSpell(), true);
 
    // Some totems can have both instant effect and passive spell
    if (GetSpell(1))
        CastSpell(this, GetSpell(1), true);
}
 
void Totem::UnSummon(uint32 msTime)
{
    if (msTime)
    {
        m_Events.AddEvent(new ForcedUnsummonDelayEvent(*this), m_Events.CalculateTime(msTime));
        return;
    }
 
    CombatStop();
    RemoveAurasDueToSpell(GetSpell(), GetGUID());
 
    // clear owner's totem slot
    for (uint8 i = SUMMON_SLOT_TOTEM; i < MAX_TOTEM_SLOT; ++i)
    {
        if (GetOwner()->m_SummonSlot[i] == GetGUID())
        {
            GetOwner()->m_SummonSlot[i] = 0;
            break;
        }
    }
 
    GetOwner()->RemoveAurasDueToSpell(GetSpell(), GetGUID());
 
    // remove aura all party members too
    if (Player* owner = GetOwner()->ToPlayer())
    {
        owner->SendAutoRepeatCancel(this);
 
        if (SpellInfo const* spell = sSpellMgr->GetSpellInfo(GetUInt32Value(UNIT_FIELD_CREATED_BY_SPELL)))
            owner->SendCooldownEvent(spell, 0, NULL, false);
 
        if (Group* group = owner->GetGroup())
        {
            for (GroupReference* itr = group->GetFirstMember(); itr != NULL; itr = itr->next())
            {
                Player* target = itr->GetSource();
                if (target && group->SameSubGroup(owner, target))
                    target->RemoveAurasDueToSpell(GetSpell(), GetGUID());
            }
        }
    }
 
    AddObjectToRemoveList();
}
 
bool Totem::IsImmunedToSpellEffect(SpellInfo const* spellInfo, uint32 index) const
{
    if (GetEntry() == 5925)
        return false;
 
    switch (spellInfo->Effects[index].ApplyAuraName)
    {
        case SPELL_AURA_PERIODIC_DAMAGE:
        case SPELL_AURA_PERIODIC_LEECH:
        case SPELL_AURA_MOD_FEAR:
        case SPELL_AURA_TRANSFORM:
            return true;
        default:
            break;
    }
 
    return Creature::IsImmunedToSpellEffect(spellInfo, index);
}