TurretModule.cpp

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#include "eve-server.h"

#include "StaticDataMgr.h"
#include "StatisticMgr.h"
#include "ship/modules/TurretModule.h"
#include "system/Damage.h"

TurretModule::TurretModule(ModuleItemRef mRef, ShipItemRef sRef)
 : ActiveModule(mRef, sRef),
 m_crystalDmg(0),
 m_crystalDmgAmount(0),
 m_crystalDmgChance(0)
{
    /* this may lead to some weird shit, but civilian turrets dont use charges.
     *  these turrets have the damage attribs set in turret item, so set chargeRef to turret item for damage calcs
     */
    if (!m_needsCharge)
        m_chargeRef = mRef;
}

void TurretModule::LoadCharge(InventoryItemRef cRef)
{
    _log(MODULE__TRACE, "%s calling TM::LoadCharge()", m_modRef->name());

    ActiveModule::LoadCharge(cRef);

    if (m_chargeRef.get() == nullptr)
        return;

    m_crystalDmg        = m_chargeRef->GetAttribute(AttrDamage).get_float();
    m_crystalDmgAmount  = m_chargeRef->GetAttribute(AttrCrystalVolatilityDamage).get_float();
    m_crystalDmgChance  = m_chargeRef->GetAttribute(AttrCrystalVolatilityChance).get_float();
}

void TurretModule::UnloadCharge()
{
    _log(MODULE__TRACE, "%s calling TM::UnloadCharge()", m_modRef->name());

    m_crystalDmg        = 0;
    m_crystalDmgAmount  = 0;
    m_crystalDmgChance  = 0;

    ActiveModule::UnloadCharge();
}

void TurretModule::ApplyDamage()
{
    if (m_chargeRef.get() == nullptr) {
        // catchall
        m_shipRef->GetPilot()->SendErrorMsg("Your %s in %s doesnt have a charge registered.<br>You can try Unload/Reload, but if this error happens again, dock or relog.", \
                m_modRef->name(), sDataMgr.GetFlagName(m_modRef->flag()));
        _log(MODULE__ERROR, "TurretModule::ApplyDamage() - module %s(%u) does not have a m_chargeRef.",  m_modRef->name(), m_modRef->itemID());
        Deactivate();
        return;
    }
    // add data to StatisticMgr
    sStatMgr.Increment(Stat::pcShots);

    Damage d(m_shipRef->GetPilot()->GetShipSE(),
            m_modRef,
            m_chargeRef->GetAttribute(AttrKineticDamage).get_float(),
            m_chargeRef->GetAttribute(AttrThermalDamage).get_float(),
            m_chargeRef->GetAttribute(AttrEmDamage).get_float(),
            m_chargeRef->GetAttribute(AttrExplosiveDamage).get_float(),
            m_formula.GetToHit(m_shipRef, this, m_targetSE),
            m_effectID
    );

    d *= GetAttribute(AttrDamageMultiplier).get_float();
    d *= sConfig.rates.turretDamage;

    if (m_linkMaster)
        d *= m_shipRef->GetLoadedLinkedCount(this);   // only loaded weapons add to damage.

    m_targetSE->ApplyDamage(d);

    switch (m_modRef->groupID()) {
        case EVEDB::invGroups::Projectile_Weapon:
        case EVEDB::invGroups::Hybrid_Weapon: {
            ConsumeCharge();
        } break;
        case EVEDB::invGroups::Energy_Weapon: {
            // AttrUsageDamagePercent
            if (m_chargeRef->HasAttribute(AttrCrystalsGetDamaged))
                if (MakeRandomFloat(0,1) < m_crystalDmgChance) {
                    m_crystalDmg += m_crystalDmgAmount;
                    if (m_crystalDmg > 1.0f) {
                        m_shipRef->GetPilot()->SendNotifyMsg("Your %s loaded in %s has been destroyed.", m_chargeRef->name(), m_modRef->name());
                        InventoryItemRef chargeRef = m_chargeRef;   // make a copy of item ref, as m_chargeRef = NULL after next call returns
                        m_shipRef->RemoveItem(m_chargeRef);
                        chargeRef->Delete();
                    } else {
                        m_chargeRef->SetAttribute(AttrDamage, m_crystalDmg);
                    }
                }
        } break;
    }
}