metaforce/Runtime/Weapon/CWeapon.cpp

#include "CWeapon.hpp"
#include "World/CActorParameters.hpp"
#include "World/CScriptWater.hpp"
#include "CStateManager.hpp"
#include "TCastTo.hpp"

namespace urde
{

CWeapon::CWeapon(TUniqueId uid, TAreaId aid, bool active, TUniqueId owner, EWeaponType type,
                 std::string_view name, const zeus::CTransform& xf, const CMaterialFilter& filter,
                 const CMaterialList& mList, const CDamageInfo& dInfo, EProjectileAttrib attribs, CModelData&& mData)
: CActor(uid, active, name, CEntityInfo(aid, CEntity::NullConnectionList), xf, std::move(mData), mList,
         CActorParameters::None(), kInvalidUniqueId),
  xe8_projectileAttribs(attribs), xec_ownerId(owner), xf0_weaponType(type), xf8_filter(filter),
  x110_origDamageInfo(dInfo), x12c_curDamageInfo(dInfo)
{
}

void CWeapon::Accept(urde::IVisitor& visitor)
{
    visitor.Visit(this);
}

void CWeapon::Think(float dt, CStateManager& mgr)
{
    x148_curTime += dt;
    if ((xe8_projectileAttribs & EProjectileAttrib::DamageFalloff) == EProjectileAttrib::DamageFalloff)
    {
        float damMul = std::max(0.f, 1.f - x148_curTime * x14c_damageFalloffSpeed);
        x12c_curDamageInfo.SetDamage(x110_origDamageInfo.GetDamage() * damMul);
        x12c_curDamageInfo.SetRadius(x110_origDamageInfo.GetRadius() * damMul);
        x12c_curDamageInfo.SetKnockBackPower(x110_origDamageInfo.GetKnockBackPower() * damMul);
        x12c_curDamageInfo.SetWeaponMode(x110_origDamageInfo.GetWeaponMode());
        x12c_curDamageInfo.SetNoImmunity(false);
    }
    else
    {
        x12c_curDamageInfo = x110_origDamageInfo;
    }
    CEntity::Think(dt, mgr);
}

void CWeapon::Render(const CStateManager&) const
{
    // Empty
}

EWeaponCollisionResponseTypes CWeapon::GetCollisionResponseType(const zeus::CVector3f&, const zeus::CVector3f&,
                                                                const CWeaponMode&, EProjectileAttrib) const
{
    return EWeaponCollisionResponseTypes::Projectile;
}

void CWeapon::FluidFXThink(EFluidState state, CScriptWater& water, CStateManager& mgr)
{
    bool doRipple = true;
    float mag = 0.f;
    switch (xf0_weaponType)
    {
    case EWeaponType::Power:
        mag = 0.1f;
        break;
    case EWeaponType::Ice:
        mag = 0.3f;
        break;
    case EWeaponType::Wave:
        mag = 0.1f;
        break;
    case EWeaponType::Plasma:
        break;
    case EWeaponType::Missile:
        mag = 0.5f;
        break;
    case EWeaponType::Phazon:
        mag = 0.1f;
        break;
    default:
        doRipple = false;
        break;
    }

    if ((xe8_projectileAttribs & EProjectileAttrib::ComboShot) != EProjectileAttrib::None &&
        state != EFluidState::InFluid)
        mag += 0.5f;
    if ((xe8_projectileAttribs & EProjectileAttrib::Charged) != EProjectileAttrib::None)
        mag += 0.25f;
    if (mag > 1.f)
        mag = 1.f;

    if (doRipple)
    {
        zeus::CVector3f pos = GetTranslation();
        pos.z = water.GetTriggerBoundsWR().max.z;
        if ((xe8_projectileAttribs & EProjectileAttrib::ComboShot) != EProjectileAttrib::None)
        {
            if (!water.CanRippleAtPoint(pos))
                doRipple = false;
        }
        else if (state == EFluidState::InFluid)
        {
            doRipple = false;
        }

        if (doRipple)
        {
            water.GetFluidPlane().AddRipple(mag, x8_uid, pos, water, mgr);
            mgr.GetFluidPlaneManager()->CreateSplash(x8_uid, mgr, water, pos, mag,
                state == EFluidState::EnteredFluid || state == EFluidState::LeftFluid);
        }
    }
}

}