C++ CalculatePct函數代碼示例

void BattlePetMgr::HealBattlePetsPct(uint8 pct)
{
    // TODO: After each Pet Battle, any injured companion will automatically
    // regain 50 % of the damage that was taken during combat
    std::vector<BattlePet> updates;

    for (auto& pet : _pets)
        if (pet.second.PacketInfo.Health != pet.second.PacketInfo.MaxHealth)
        {
            pet.second.PacketInfo.Health += CalculatePct(pet.second.PacketInfo.MaxHealth, pct);
            // don't allow Health to be greater than MaxHealth
            pet.second.PacketInfo.Health = std::min(pet.second.PacketInfo.Health, pet.second.PacketInfo.MaxHealth);
            if (pet.second.SaveInfo != BATTLE_PET_NEW)
                pet.second.SaveInfo = BATTLE_PET_CHANGED;
            updates.push_back(pet.second);
        }

    SendUpdates(updates, false);
}

            void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
            {
                PreventDefaultAction();

                DamageInfo* damageInfo = eventInfo.GetDamageInfo();
                if (!damageInfo || !damageInfo->GetDamage())
                    return;

                SpellInfo const* spellInfo = sSpellMgr->AssertSpellInfo(SPELL_SHAMAN_LAVA_BURST_BONUS_DAMAGE);
                int32 amount = CalculatePct(static_cast<int32>(damageInfo->GetDamage()), aurEff->GetAmount());
                amount /= spellInfo->GetMaxTicks(DIFFICULTY_NONE);

                // Add remaining ticks to healing done
                Unit* caster = eventInfo.GetActor();
                Unit* target = eventInfo.GetProcTarget();
                amount += target->GetRemainingPeriodicAmount(caster->GetGUID(), SPELL_SHAMAN_LAVA_BURST_BONUS_DAMAGE, SPELL_AURA_PERIODIC_DAMAGE);

                caster->CastCustomSpell(SPELL_SHAMAN_LAVA_BURST_BONUS_DAMAGE, SPELLVALUE_BASE_POINT0, amount, target, true);
            }

            void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
            {
                PreventDefaultAction();

                HealInfo* healInfo = eventInfo.GetHealInfo();
                if (!healInfo || !healInfo->GetHeal())
                    return;

                Unit* caster = eventInfo.GetActor();
                Unit* target = eventInfo.GetProcTarget();

                SpellInfo const* spellInfo = sSpellMgr->AssertSpellInfo(SPELL_PALADIN_HOLY_MENDING);
                int32 amount = CalculatePct(static_cast<int32>(healInfo->GetHeal()), aurEff->GetAmount());
                amount /= spellInfo->GetMaxTicks(DIFFICULTY_NONE);
                // Add remaining ticks to damage done
                amount += target->GetRemainingPeriodicAmount(caster->GetGUID(), SPELL_PALADIN_HOLY_MENDING, SPELL_AURA_PERIODIC_HEAL);

                caster->CastCustomSpell(SPELL_PALADIN_HOLY_MENDING, SPELLVALUE_BASE_POINT0, amount, target, true);
            }

            void CalculateAmount(AuraEffect const* /*aurEff*/, int32& amount, bool& canBeRecalculated)
            {
                canBeRecalculated = false;

                if (Unit* caster = GetCaster())
                {
                    // 0.01 * $AP * cp
                    uint8 cp = caster->ToPlayer()->GetComboPoints();

                    // Idol of Feral Shadows. Can't be handled as SpellMod due its dependency from CPs
                    if (AuraEffect const* idol = caster->GetAuraEffect(SPELL_DRUID_IDOL_OF_FERAL_SHADOWS, EFFECT_0))
                        amount += cp * idol->GetAmount();
                    // Idol of Worship. Can't be handled as SpellMod due its dependency from CPs
                    else if (AuraEffect const* idol = caster->GetAuraEffect(SPELL_DRUID_IDOL_OF_WORSHIP, EFFECT_0))
                        amount += cp * idol->GetAmount();

                    amount += int32(CalculatePct(caster->GetTotalAttackPowerValue(BASE_ATTACK), cp));
                }
            }

void Guardian::UpdateArmor()
{
    float value = 0.0f;
    float bonus_armor = 0.0f;
    UnitMods unitMod = UNIT_MOD_ARMOR;

    // hunter pets gain 35% of owner's armor value, warlock pets gain 100% of owner's armor
    if (isHunterPet())
        bonus_armor = float(CalculatePct(m_owner->GetArmor(), 70));
    else if (isPet())
        bonus_armor = m_owner->GetArmor();

    value  = GetModifierValue(unitMod, BASE_VALUE);
    value *= GetModifierValue(unitMod, BASE_PCT);
    value += GetModifierValue(unitMod, TOTAL_VALUE) + bonus_armor;
    value *= GetModifierValue(unitMod, TOTAL_PCT);

    SetArmor(int32(value));
}

void Player::UpdateManaRegen()
{
    // Mana regen from spirit
    float spirit_regen = OCTRegenMPPerSpirit();
    // Apply PCT bonus from SPELL_AURA_MOD_POWER_REGEN_PERCENT aura on spirit base regen
    spirit_regen *= GetTotalAuraMultiplierByMiscValue(SPELL_AURA_MOD_POWER_REGEN_PERCENT, POWER_MANA);

    // SpiritRegen(SPI, INT, LEVEL) = (0.001 + (SPI x sqrt(INT) x BASE_REGEN[LEVEL])) x 5
    if (GetStat(STAT_INTELLECT) > 0.0f)
        spirit_regen *= sqrt(GetStat(STAT_INTELLECT));

    // CombatRegen = 5% of Base Mana
    float base_regen = GetCreateMana() * 0.01f + GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_POWER_REGEN, POWER_MANA) / 5.0f;

    // Set regen rate in cast state apply only on spirit based regen
    int32 modManaRegenInterrupt = GetTotalAuraModifier(SPELL_AURA_MOD_MANA_REGEN_INTERRUPT);

    SetStatFloatValue(UNIT_FIELD_POWER_REGEN_INTERRUPTED_FLAT_MODIFIER, base_regen + CalculatePct(spirit_regen, modManaRegenInterrupt));
    SetStatFloatValue(UNIT_FIELD_POWER_REGEN_FLAT_MODIFIER, 0.001f + spirit_regen + base_regen);
}

        void CalculateAmount(AuraEffect const* aurEff, int32& amount, bool& /*canBeRecalculated*/)
        {
            if (Unit* caster = GetCaster())
            {
                // +75.00% from sp bonus
                float bonus = CalculatePct(caster->SpellBaseHealingBonusDone(GetSpellInfo()->GetSchoolMask()), 75.0f);

                // Divine Guardian is only applied at the spell healing bonus because it was already applied to the base value in CalculateSpellDamage
                bonus = caster->ApplyEffectModifiers(GetSpellInfo(), aurEff->GetEffIndex(), bonus);
                bonus *= caster->CalculateLevelPenalty(GetSpellInfo());

                amount += int32(bonus);

                // Arena - Dampening
                if (AuraEffect const* auraEffArenaDampening = caster->GetAuraEffect(SPELL_GENERIC_ARENA_DAMPENING, EFFECT_0))
                    AddPct(amount, auraEffArenaDampening->GetAmount());
                // Battleground - Dampening
                else if (AuraEffect const* auraEffBattlegroudDampening = caster->GetAuraEffect(SPELL_GENERIC_BATTLEGROUND_DAMPENING, EFFECT_0))
                    AddPct(amount, auraEffBattlegroudDampening->GetAmount());
            }
        }

uint32 AuctionHouseMgr::GetAuctionDeposit(AuctionHouseEntry const* entry, uint32 time, Item* pItem, uint32 count)
{
    uint32 MSV = pItem->GetTemplate()->SellPrice;

    if (MSV <= 0)
        return AH_MINIMUM_DEPOSIT;

    float multiplier = CalculatePct(float(entry->depositPercent), 3);
    uint32 timeHr = (((time / 60) / 60) / 12);
    uint32 deposit = uint32(((multiplier * MSV * count / 3) * timeHr * 3) * sWorld->getRate(RATE_AUCTION_DEPOSIT));

    TC_LOG_DEBUG("auctionHouse", "MSV:        %u", MSV);
    TC_LOG_DEBUG("auctionHouse", "Items:      %u", count);
    TC_LOG_DEBUG("auctionHouse", "Multiplier: %f", multiplier);
    TC_LOG_DEBUG("auctionHouse", "Deposit:    %u", deposit);

    if (deposit < AH_MINIMUM_DEPOSIT)
        return AH_MINIMUM_DEPOSIT;
    else
        return deposit;
}

 void HandleHeal(SpellEffIndex /*effIndex*/)
 {
     if (firstHeal)
     {
         // Check if the target has Riptide
         if (AuraEffect* aurEff = GetHitUnit()->GetAuraEffect(SPELL_AURA_PERIODIC_HEAL, SPELLFAMILY_SHAMAN, 0, 0, 0x10, GetCaster()->GetGUID()))
         {
             riptide = true;
             amount = aurEff->GetSpellInfo()->Effects[EFFECT_2].CalcValue();
             // Consume it
             GetHitUnit()->RemoveAura(aurEff->GetBase());
         }
         firstHeal = false;
     }
     // Riptide increases the Chain Heal effect by 25%
     if (riptide)
     {
         uint32 bonus = CalculatePct(GetHitHeal(), amount);
         SetHitHeal(GetHitHeal() + bonus);
     }
 }

        void CalculateAmountCritMelee(AuraEffect const* /* aurEff */, int32& amount, bool& /*canBeRecalculated*/)
        {
            if (Player* owner = GetCaster()->GetOwner()->ToPlayer())
            {
                // For others recalculate it from:
                float CritMelee = 0.0f;
                // Crit from Agility
                CritMelee += owner->GetMeleeCritFromAgility();
                // Increase crit from SPELL_AURA_MOD_WEAPON_CRIT_PERCENT
                CritMelee += owner->GetTotalAuraModifier(SPELL_AURA_MOD_WEAPON_CRIT_PERCENT);
                // Increase crit from SPELL_AURA_MOD_CRIT_PCT
                CritMelee += owner->GetTotalAuraModifier(SPELL_AURA_MOD_CRIT_PCT);
                // Increase crit melee from melee crit ratings
                CritMelee += owner->GetRatingBonusValue(CR_CRIT_MELEE);

                if (AuraApplication* improvedDemonicTacticsApp = owner->GetAuraApplicationOfRankedSpell(54347))
                    if (Aura* improvedDemonicTactics = improvedDemonicTacticsApp->GetBase())
                        if (AuraEffect* improvedDemonicTacticsEffect = improvedDemonicTactics->GetEffect(EFFECT_0))
                            amount += CalculatePct(CritMelee, improvedDemonicTacticsEffect->GetAmount());
            }
        }

        void CalculateAmountCritSpell(AuraEffect const* /* aurEff */, int32& amount, bool& /*canBeRecalculated*/)
        {
            if (Player* owner = GetCaster()->GetOwner()->ToPlayer())
            {
                // For others recalculate it from:
                float CritSpell = 0.0f;
                // Crit from Intellect
                CritSpell += owner->GetSpellCritFromIntellect();
                // Increase crit from SPELL_AURA_MOD_SPELL_CRIT_CHANCE
                CritSpell += owner->GetTotalAuraModifier(SPELL_AURA_MOD_SPELL_CRIT_CHANCE);
                // Increase crit from SPELL_AURA_MOD_CRIT_PCT
                CritSpell += owner->GetTotalAuraModifier(SPELL_AURA_MOD_CRIT_PCT);
                // Increase crit spell from spell crit ratings
                CritSpell += owner->GetRatingBonusValue(CR_CRIT_SPELL);

                if (AuraApplication* improvedDemonicTacticsApp = owner->GetAuraApplicationOfRankedSpell(54347))
                    if (Aura* improvedDemonicTactics = improvedDemonicTacticsApp->GetBase())
                        if (AuraEffect* improvedDemonicTacticsEffect = improvedDemonicTactics->GetEffect(EFFECT_0))
                            amount += CalculatePct(CritSpell, improvedDemonicTacticsEffect->GetAmount());
            }
        }

void Player::UpdateArmor()
{ 
    UnitMods unitMod = UNIT_MOD_ARMOR;

    float value = GetModifierValue(unitMod, BASE_VALUE);   // base armor (from items)
    value *= GetModifierValue(unitMod, BASE_PCT);           // armor percent from items
    value += GetStat(STAT_AGILITY) * 2.0f;                  // armor bonus from stats
    value += GetModifierValue(unitMod, TOTAL_VALUE);

    //add dynamic flat mods
    AuraEffectList const& mResbyIntellect = GetAuraEffectsByType(SPELL_AURA_MOD_RESISTANCE_OF_STAT_PERCENT);
    for (AuraEffectList::const_iterator i = mResbyIntellect.begin(); i != mResbyIntellect.end(); ++i)
    {
        if ((*i)->GetMiscValue() & SPELL_SCHOOL_MASK_NORMAL)
            value += CalculatePct(GetStat(Stats((*i)->GetMiscValueB())), (*i)->GetAmount());
    }

    value *= GetModifierValue(unitMod, TOTAL_PCT);

    SetArmor(int32(value));

    UpdateAttackPowerAndDamage();                           // armor dependent auras update for SPELL_AURA_MOD_ATTACK_POWER_OF_ARMOR
}

            void AfterRemove(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/)
            {
                // Final heal only on duration end
                if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_EXPIRE)
                    return;

                // final heal
                int32 stack = GetStackAmount();
                int32 healAmount = aurEff->GetAmount();
                if (Unit* caster = GetCaster())
                {
                    healAmount = caster->SpellHealingBonusDone(GetTarget(), GetSpellInfo(), healAmount, HEAL, stack);
                    healAmount = GetTarget()->SpellHealingBonusTaken(caster, GetSpellInfo(), healAmount, HEAL, stack);

                    GetTarget()->CastCustomSpell(GetTarget(), SPELL_DRUID_LIFEBLOOM_FINAL_HEAL, &healAmount, NULL, NULL, true, NULL, aurEff, GetCasterGUID());

                    // restore mana
                    int32 returnMana = CalculatePct(caster->GetCreateMana(), GetSpellInfo()->ManaCostPercentage) * stack / 2;
                    caster->CastCustomSpell(caster, SPELL_DRUID_LIFEBLOOM_ENERGIZE, &returnMana, NULL, NULL, true, NULL, aurEff, GetCasterGUID());
                    return;
                }

                GetTarget()->CastCustomSpell(GetTarget(), SPELL_DRUID_LIFEBLOOM_FINAL_HEAL, &healAmount, NULL, NULL, true, NULL, aurEff, GetCasterGUID());
            }

bool OPvPCapturePoint::SetCapturePointData(uint32 entry, uint32 map, float x, float y, float z, float o, float rotation0, float rotation1, float rotation2, float rotation3)
{
    TC_LOG_DEBUG("outdoorpvp", "Creating capture point %u", entry);

    // check info existence
    GameObjectTemplate const* goinfo = sObjectMgr->GetGameObjectTemplate(entry);
    if (!goinfo || goinfo->type != GAMEOBJECT_TYPE_CONTROL_ZONE)
    {
        TC_LOG_ERROR("outdoorpvp", "OutdoorPvP: GO %u is not capture point!", entry);
        return false;
    }

    m_capturePointSpawnId = sObjectMgr->AddGOData(entry, map, x, y, z, o, 0, rotation0, rotation1, rotation2, rotation3);
    if (!m_capturePointSpawnId)
        return false;

    // get the needed values from goinfo
    m_maxValue = (float)goinfo->controlZone.maxTime;
    m_maxSpeed = m_maxValue / (goinfo->controlZone.minTime ? goinfo->controlZone.minTime : 60);
    m_neutralValuePct = goinfo->controlZone.neutralPercent;
    m_minValue = CalculatePct(m_maxValue, m_neutralValuePct);

    return true;
}

bool OPvPCapturePoint::SetCapturePointData(uint32 entry, uint32 map, float x, float y, float z, float o, float rotation0, float rotation1, float rotation2, float rotation3)
{
    ;//sLog->outDebug(LOG_FILTER_OUTDOORPVP, "Creating capture point %u", entry);

    // check info existence
    GameObjectTemplate const* goinfo = sObjectMgr->GetGameObjectTemplate(entry);
    if (!goinfo || goinfo->type != GAMEOBJECT_TYPE_CAPTURE_POINT)
    {
        sLog->outError("OutdoorPvP: GO %u is not capture point!", entry);
        return false;
    }

    uint32 lowguid = sObjectMgr->AddGOData(entry, map, x, y, z, o, 0, rotation0, rotation1, rotation2, rotation3);
    if (!lowguid)
		return false;
	m_capturePointGUID = MAKE_NEW_GUID(lowguid, entry, HIGHGUID_GAMEOBJECT);

    // get the needed values from goinfo
    m_maxValue = (float)goinfo->capturePoint.maxTime;
    m_maxSpeed = m_maxValue / (goinfo->capturePoint.minTime ? goinfo->capturePoint.minTime : 60);
    m_neutralValuePct = goinfo->capturePoint.neutralPercent;
    m_minValue = CalculatePct(m_maxValue, m_neutralValuePct);
    return true;
}