metaforce/Runtime/Weapon/CGrappleArm.cpp

#include "Particle/CElementGen.hpp"
#include "CDependencyGroup.hpp"
#include "CGrappleArm.hpp"
#include "GameGlobalObjects.hpp"
#include "CSimplePool.hpp"
#include "World/CPlayer.hpp"
#include "TCastTo.hpp"
#include "Camera/CGameCamera.hpp"
#include "Graphics/CSkinnedModel.hpp"
#include "Graphics/CVertexMorphEffect.hpp"

namespace urde
{

float CGrappleArm::g_GrappleBeamAnglePhaseDelta = 0.875f;
float CGrappleArm::g_GrappleBeamXWaveAmplitude = 0.25f;
float CGrappleArm::g_GrappleBeamZWaveAmplitude = 0.125f;
float CGrappleArm::g_GrappleBeamSpeed = 5.f;

CGrappleArm::CGrappleArm(const zeus::CVector3f& scale)
: x0_grappleArmModel(CAnimRes(g_tweakGunRes->x8_grappleArm, 0, scale, 41, false)),
  xa0_grappleGearModel(CStaticRes(NWeaponTypes::get_asset_id_from_name("GrappleGear"), scale)),
  xec_grapNoz1Model(CStaticRes(NWeaponTypes::get_asset_id_from_name("GrapNoz1"), scale)),
  x138_grapNoz2Model(CStaticRes(NWeaponTypes::get_asset_id_from_name("GrapNoz2"), scale)),
  x184_grappleArm(g_SimplePool->GetObj(SObjectTag{FOURCC('ANCS'), g_tweakGunRes->x8_grappleArm})),
  x31c_scale(scale),
  x354_grappleSegmentDesc(g_SimplePool->GetObj(SObjectTag{FOURCC('PART'), g_tweakGunRes->xb4_grappleSegment})),
  x360_grappleClawDesc(g_SimplePool->GetObj(SObjectTag{FOURCC('PART'), g_tweakGunRes->xb8_grappleClaw})),
  x36c_grappleHitDesc(g_SimplePool->GetObj(SObjectTag{FOURCC('PART'), g_tweakGunRes->xbc_grappleHit})),
  x378_grappleMuzzleDesc(g_SimplePool->GetObj(SObjectTag{FOURCC('PART'), g_tweakGunRes->xc0_grappleMuzzle})),
  x384_grappleSwooshDesc(g_SimplePool->GetObj(SObjectTag{FOURCC('SWHC'), g_tweakGunRes->xc4_grappleSwoosh})),
  x390_grappleSegmentGen(std::make_unique<CElementGen>(x354_grappleSegmentDesc)),
  x394_grappleClawGen(std::make_unique<CElementGen>(x360_grappleClawDesc)),
  x398_grappleHitGen(std::make_unique<CElementGen>(x36c_grappleHitDesc)),
  x39c_grappleMuzzleGen(std::make_unique<CElementGen>(x378_grappleMuzzleDesc)),
  x3a0_grappleSwooshGen(std::make_unique<CParticleSwoosh>(x384_grappleSwooshDesc, 0)),
  x3a4_rainSplashGenerator(std::make_unique<CRainSplashGenerator>(scale, 20, 2, 0.f, 0.125f))
{
    x0_grappleArmModel->SetSortThermal(true);
    xa0_grappleGearModel.SetSortThermal(true);
    xec_grapNoz1Model.SetSortThermal(true);
    x138_grapNoz2Model.SetSortThermal(true);

    g_GrappleBeamAnglePhaseDelta = g_tweakPlayer->GetGrappleBeamAnglePhaseDelta();
    g_GrappleBeamXWaveAmplitude = g_tweakPlayer->GetGrappleBeamXWaveAmplitude();
    g_GrappleBeamZWaveAmplitude = g_tweakPlayer->GetGrappleBeamZWaveAmplitude();
    g_GrappleBeamSpeed = g_tweakPlayer->GetGrappleBeamSpeed();

    x39c_grappleMuzzleGen->SetParticleEmission(false);
    x390_grappleSegmentGen->SetParticleEmission(false);
    x3a0_grappleSwooshGen->DoGrappleWarmup();

    BuildSuitDependencyList();
    LoadAnimations();
}

static const char* skDependencyNames[] =
{
    "PowerSuit_DGRP",
    "GravitySuit_DGRP",
    "VariaSuit_DGRP",
    "PhazonSuit_DGRP",
    "FusionSuit_DGRP",
    "FusionSuitG_DGRP",
    "FusionSuitV_DGRP",
    "FusionSuitP_DGRP",
};

void CGrappleArm::FillTokenVector(const std::vector<SObjectTag>& tags, std::vector<CToken>& objects)
{
    objects.reserve(tags.size());
    for (const SObjectTag& tag : tags)
        objects.push_back(g_SimplePool->GetObj(tag));
}

void CGrappleArm::BuildSuitDependencyList()
{
    x184_grappleArm.Lock();
    for (const char* name : skDependencyNames)
    {
        TLockedToken<CDependencyGroup> dgrp = g_SimplePool->GetObj(name);
        x19c_suitDeps.emplace_back();
        std::vector<CToken>& depsOut = x19c_suitDeps.back();
        FillTokenVector(dgrp->GetObjectTagVector(), depsOut);
    }
}

void CGrappleArm::LoadAnimations()
{
    NWeaponTypes::get_token_vector(*x0_grappleArmModel->GetAnimationData(), 0, 42, x18c_anims, true);
    x0_grappleArmModel = std::experimental::nullopt;
}

void CGrappleArm::AsyncLoadSuit(CStateManager& mgr)
{
    CPlayerState::EPlayerSuit suit = NWeaponTypes::get_current_suit(mgr);
    if (suit == x3a8_loadedSuit)
        return;

    x0_grappleArmModel = std::experimental::nullopt;
    x3b2_29_suitLoading = true;
    if (x3a8_loadedSuit != CPlayerState::EPlayerSuit::Invalid)
    {
        NWeaponTypes::unlock_tokens(x19c_suitDeps[int(x3a8_loadedSuit)]);
        x19c_suitDeps[int(x3a8_loadedSuit)].clear();
    }

    if (suit < CPlayerState::EPlayerSuit::Power || suit > CPlayerState::EPlayerSuit::FusionPhazon)
        x3a8_loadedSuit = CPlayerState::EPlayerSuit::Power;
    else
        x3a8_loadedSuit = suit;

    NWeaponTypes::lock_tokens(x19c_suitDeps[int(x3a8_loadedSuit)]);
}

void CGrappleArm::ResetAuxParams(bool resetGunController)
{
    x3b2_24_active = false;
    x3b2_27_armMoving = false;
    x2e0_auxXf = zeus::CTransform::Identity();
    if (resetGunController)
        x328_gunController->Reset();
}

void CGrappleArm::DisconnectGrappleBeam()
{
    x394_grappleClawGen->SetParticleEmission(false);
    x3b2_25_beamActive = false;
    GrappleBeamDisconnected();
}

void CGrappleArm::SetAnimState(EArmState state)
{
    if (x334_animState == state)
        return;

    x0_grappleArmModel->AnimationData()->EnableLooping(false);
    x3b2_28_isGrappling = true;

    switch (state)
    {
    case EArmState::IntoGrapple:
    {
        ResetAuxParams(true);
        CAnimPlaybackParms parms(0, -1, 1.f, true);
        x0_grappleArmModel->AnimationData()->SetAnimation(parms, false);
        x3b2_25_beamActive = false;
        x3b2_24_active = true;
        break;
    }
    case EArmState::IntoGrappleIdle:
    {
        CAnimPlaybackParms parms(1, -1, 1.f, true);
        x0_grappleArmModel->AnimationData()->EnableLooping(true);
        x0_grappleArmModel->AnimationData()->SetAnimation(parms, false);
        break;
    }
    case EArmState::FireGrapple:
    {
        CAnimPlaybackParms parms(2, -1, 1.f, true);
        x0_grappleArmModel->AnimationData()->SetAnimation(parms, false);
        break;
    }
    case EArmState::ConnectGrapple:
    {
        CAnimPlaybackParms parms(3, -1, 1.f, true);
        x0_grappleArmModel->AnimationData()->SetAnimation(parms, false);
        break;
    }
    case EArmState::Connected:
    {
        CAnimPlaybackParms parms(3, -1, 1.f, true);
        x0_grappleArmModel->AnimationData()->SetAnimation(parms, false);
        break;
    }
    case EArmState::OutOfGrapple:
    {
        CAnimPlaybackParms parms(4, -1, 1.f, true);
        x0_grappleArmModel->AnimationData()->SetAnimation(parms, false);
        DisconnectGrappleBeam();
        break;
    }
    case EArmState::Done:
        x3b2_28_isGrappling = false;
        break;
    default:
        break;
    }

    x334_animState = state;
}

void CGrappleArm::Activate(bool intoGrapple)
{
    SetAnimState(intoGrapple ? EArmState::IntoGrapple : EArmState::OutOfGrapple);
}

void CGrappleArm::GrappleBeamDisconnected()
{
    if (x32c_grappleLoopSfx)
    {
        CSfxManager::SfxStop(x32c_grappleLoopSfx);
        x32c_grappleLoopSfx.reset();
    }
}

void CGrappleArm::GrappleBeamConnected()
{
    if (!x32c_grappleLoopSfx)
        x32c_grappleLoopSfx = NWeaponTypes::play_sfx(SFXsam_grapple_lp, false, true, -0.15f);
}

void CGrappleArm::RenderGrappleBeam(const CStateManager& mgr, const zeus::CVector3f& pos)
{
    if (x3b2_24_active && !x3b2_29_suitLoading)
    {
        zeus::CTransform tmpXf = zeus::CTransform::Translate(pos) * x220_xf;
        if (x3b2_25_beamActive)
        {
            if (x3b2_26_grappleHit)
                x398_grappleHitGen->Render();
            x394_grappleClawGen->Render();
            x3a0_grappleSwooshGen->Render();
            x390_grappleSegmentGen->Render();
            zeus::CTransform backupViewMtx = CGraphics::g_ViewMatrix;
            CGraphics::SetViewPointMatrix(tmpXf.inverse() * backupViewMtx);
            CGraphics::SetModelMatrix(zeus::CTransform::Identity());
            x39c_grappleMuzzleGen->Render();
            CGraphics::SetViewPointMatrix(backupViewMtx);
        }
    }
}

void CGrappleArm::TouchModel(const CStateManager& mgr) const
{
    if (x3b2_24_active && !x3b2_29_suitLoading)
    {
        x0_grappleArmModel->Touch(mgr, 0);
        if (x50_grappleArmSkeletonModel)
            x50_grappleArmSkeletonModel->Touch(mgr, 0);
        if (mgr.GetPlayerState()->HasPowerUp(CPlayerState::EItemType::GrappleBeam))
        {
            xa0_grappleGearModel.Touch(mgr, 0);
            xec_grapNoz1Model.Touch(mgr, 0);
            x138_grapNoz2Model.Touch(mgr, 0);
        }
    }
}

void CGrappleArm::LoadSuitPoll()
{
    if (NWeaponTypes::are_tokens_ready(x19c_suitDeps[int(x3a8_loadedSuit)]))
    {
        x0_grappleArmModel.emplace(CAnimRes(g_tweakGunRes->x8_grappleArm, 0, x31c_scale, 41, false));
        x0_grappleArmModel->SetSortThermal(true);
        x328_gunController = std::make_unique<CGunController>(*x0_grappleArmModel);
        x3b2_29_suitLoading = false;
    }
}

void CGrappleArm::BuildXRayModel()
{
    x50_grappleArmSkeletonModel.emplace(CAnimRes(g_tweakGunRes->x8_grappleArm, 8, x31c_scale,
                                             !x328_gunController ? 41 : x328_gunController->GetCurAnimId(), false));
    x50_grappleArmSkeletonModel->SetSortThermal(true);
}

void CGrappleArm::DoUserAnimEvent(CStateManager& mgr, const CInt32POINode& node, EUserEventType type)
{
    switch (type)
    {
    case EUserEventType::Projectile:
        if (x3b2_27_armMoving)
            return;
        x3b2_25_beamActive = true;
        x398_grappleHitGen = std::make_unique<CElementGen>(x36c_grappleHitDesc);
        x39c_grappleMuzzleGen = std::make_unique<CElementGen>(x378_grappleMuzzleDesc);
        x338_beamT = 0.f;
        x33c_beamDist = 0.f;
        x340_anglePhase = 0.f;
        x344_xAmplitude = g_GrappleBeamXWaveAmplitude;
        x348_zAmplitude = g_GrappleBeamZWaveAmplitude;
        x398_grappleHitGen->SetParticleEmission(false);
        x394_grappleClawGen->SetParticleEmission(true);
        NWeaponTypes::play_sfx(SFXsam_grapple_fire, false, false, -0.15f);
        mgr.GetRumbleManager().Rumble(mgr, ERumbleFxId::PlayerGrappleFire, 1.f, ERumblePriority::Three);
        break;
    default:
        break;
    }
}

void CGrappleArm::DoUserAnimEvents(CStateManager& mgr)
{
    zeus::CVector3f armToCam = mgr.GetCameraManager()->GetCurrentCamera(mgr)->GetTranslation() - x220_xf.origin;
    const CAnimData& animData = *x0_grappleArmModel->GetAnimationData();
    for (int i=0 ; i<animData.GetPassedSoundPOICount() ; ++i)
    {
        const CSoundPOINode& node = CAnimData::g_SoundPOINodes[i];
        if (node.GetPoiType() != EPOIType::Sound ||
            (node.GetCharacterIndex() != -1 && animData.x204_charIdx != node.GetCharacterIndex()))
            continue;
        NWeaponTypes::do_sound_event(x34c_animSfx, x3ac_pitchBend, false, node.GetSfxId(), node.GetWeight(),
                                     node.GetFlags(), node.GetFalloff(), node.GetMaxDist(), 0.16f, 1.f, armToCam,
                                     x220_xf.origin, mgr.GetPlayer().GetAreaIdAlways(), mgr);
    }
    for (int i=0 ; i<animData.GetPassedIntPOICount() ; ++i)
    {
        const CInt32POINode& node = CAnimData::g_Int32POINodes[i];
        switch (node.GetPoiType())
        {
        case EPOIType::UserEvent:
            DoUserAnimEvent(mgr, node, EUserEventType(node.GetValue()));
            break;
        case EPOIType::SoundInt32:
            if (node.GetCharacterIndex() != -1 && animData.x204_charIdx != node.GetCharacterIndex())
                break;
            NWeaponTypes::do_sound_event(x34c_animSfx, x3ac_pitchBend, false, u32(node.GetValue()),
                                         node.GetWeight(), node.GetFlags(), 0.1f, 150.f, 0.16f, 1.f, armToCam,
                                         x220_xf.origin, mgr.GetPlayer().GetAreaIdAlways(), mgr);
            break;
        default:
            break;
        }
    }
}

void CGrappleArm::UpdateArmMovement(float dt, CStateManager& mgr)
{
    DoUserAnimEvents(mgr);
    if (x328_gunController->Update(dt, mgr))
        ResetAuxParams(false);
}

void CGrappleArm::UpdateGrappleBeamFx(const zeus::CVector3f& beamGunPos,
                                      const zeus::CVector3f& beamAirPos, CStateManager& mgr)
{
    x394_grappleClawGen->SetTranslation(beamAirPos);
    x390_grappleSegmentGen->SetParticleEmission(true);

    zeus::CVector3f segmentDelta = beamAirPos - beamGunPos;
    zeus::CVector3f swooshSegmentDelta = segmentDelta * 0.02f;
    int numSegments = int(2.f * segmentDelta.magnitude() + 1.f);
    segmentDelta = (1.f / float(numSegments)) * segmentDelta;

    zeus::CVector3f segmentPos = beamGunPos;
    zeus::CTransform rotation = x220_xf.getRotation();
    for (int i=0 ; i<numSegments ; ++i)
    {
        zeus::CVector3f vec;
        if (i > 0)
            vec = rotation * zeus::CVector3f(std::cos(i + x340_anglePhase) * x344_xAmplitude, 0.f,
                                             std::sin(float(i)) * x348_zAmplitude);
        x390_grappleSegmentGen->SetTranslation(vec * segmentPos);
        x390_grappleSegmentGen->ForceParticleCreation(1);
        segmentPos += segmentDelta;
    }

    x390_grappleSegmentGen->SetParticleEmission(false);
    x3a0_grappleSwooshGen->DoGrappleUpdate(beamGunPos, rotation, x340_anglePhase, x344_xAmplitude,
                                           x348_zAmplitude, swooshSegmentDelta);
}

bool CGrappleArm::UpdateGrappleBeam(float dt, const zeus::CTransform& beamLoc, CStateManager& mgr)
{
    bool beamConnected = false;
    if (TCastToConstPtr<CActor> act = mgr.GetObjectById(mgr.GetPlayer().GetOrbitTargetId()))
        x310_grapplePointPos = act->GetTranslation();
    else
        x310_grapplePointPos = x220_xf.origin;

    zeus::CVector3f beamGunPos = (x220_xf * beamLoc).origin;
    zeus::CVector3f beamAirPos = beamGunPos * (1.f - x338_beamT) + x310_grapplePointPos * x338_beamT;

    switch (x334_animState)
    {
    case EArmState::FireGrapple:
    case EArmState::Three:
    {
        float gunToPointMag = (x310_grapplePointPos - beamGunPos).magnitude();
        if (gunToPointMag > 0.f)
            x338_beamT = x33c_beamDist / gunToPointMag;
        else
            x338_beamT = 1.f;
        float speedMult =
            mgr.GetPlayer().GetPlayerMovementState() != CPlayer::EPlayerMovementState::OnGround ? 2.f : 1.f;
        x33c_beamDist += speedMult * (dt * g_GrappleBeamSpeed);
        if (x338_beamT >= 1.f)
        {
            x338_beamT = 1.f;
            beamConnected = true;
        }
        break;
    }
    case EArmState::ConnectGrapple:
    {
        float delta = 4.f * dt;
        x344_xAmplitude -= delta;
        x348_zAmplitude -= delta;
        if (x344_xAmplitude < 0.f)
            x344_xAmplitude = 0.f;
        if (x348_zAmplitude < 0.f)
            x348_zAmplitude = 0.f;
        break;
    }
    default:
        break;
    }

    if (x3b2_25_beamActive)
    {
        x340_anglePhase += g_GrappleBeamAnglePhaseDelta;
        UpdateGrappleBeamFx(beamGunPos, beamAirPos, mgr);
        x394_grappleClawGen->Update(dt);
        x390_grappleSegmentGen->Update(dt);
    }

    return beamConnected;
}

void CGrappleArm::UpdateSwingAction(float grappleSwingT, float dt, CStateManager& mgr)
{
    if (x3b2_29_suitLoading)
        return;

    if (x334_animState == EArmState::FireGrapple)
        DoUserAnimEvents(mgr);

    zeus::CTransform beamLocXf = x0_grappleArmModel->GetScaledLocatorTransform("LGBeam");
    bool grappleConnected = UpdateGrappleBeam(dt, beamLocXf, mgr);

    if ((grappleSwingT > 0.175f && grappleSwingT < 0.3f) ||
        (grappleSwingT > 0.7f && grappleSwingT < 0.9f))
    {
        if (!CSfxManager::IsPlaying(x330_swooshSfx))
        {
            x330_swooshSfx = NWeaponTypes::play_sfx(SFXsam_grapple_swoosh, false, false, -0.15f);
            if (x3b0_rumbleHandle != -1)
                mgr.GetRumbleManager().StopRumble(x3b0_rumbleHandle);
            x3b0_rumbleHandle = mgr.GetRumbleManager().Rumble(mgr, ERumbleFxId::PlayerGrappleSwoosh, 1.f, ERumblePriority::Three);
        }
    }

    if (!x0_grappleArmModel->GetAnimationData()->IsAnimTimeRemaining(dt, "Whole Body"))
    {
        switch (x334_animState)
        {
        case EArmState::IntoGrapple:
        case EArmState::Seven:
            SetAnimState(EArmState::IntoGrappleIdle);
            break;
        case EArmState::FireGrapple:
            if (grappleConnected)
            {
                SetAnimState(EArmState::ConnectGrapple);
                x3b2_26_grappleHit = true;
                x398_grappleHitGen->SetParticleEmission(true);
                GrappleBeamConnected();
                if (x3b0_rumbleHandle != -1)
                    mgr.GetRumbleManager().StopRumble(x3b0_rumbleHandle);
            }
            break;
        case EArmState::ConnectGrapple:
            if (x344_xAmplitude == 0.f)
                SetAnimState(EArmState::Connected);
            break;
        case EArmState::OutOfGrapple:
            if (x3b0_rumbleHandle != -1)
                mgr.GetRumbleManager().StopRumble(x3b0_rumbleHandle);
            SetAnimState(EArmState::Done);
            x3b2_24_active = false;
            break;
        default:
            break;
        }
    }

    if (x3b2_25_beamActive)
    {
        x39c_grappleMuzzleGen->SetTranslation(beamLocXf.origin);
        x39c_grappleMuzzleGen->Update(dt);
        if (x3b2_26_grappleHit)
        {
            x3b2_26_grappleHit = !x398_grappleHitGen->IsSystemDeletable();
            x398_grappleHitGen->SetTranslation(x310_grapplePointPos);
            x398_grappleHitGen->Update(dt);
        }
    }
}

void CGrappleArm::Update(float grappleSwingT, float dt, CStateManager& mgr)
{
    if (!(x3b2_24_active && !x3b2_29_suitLoading))
    {
        if (x3b2_29_suitLoading)
            LoadSuitPoll();
        return;
    }

    if (mgr.GetPlayerState()->GetCurrentVisor() == CPlayerState::EPlayerVisor::XRay)
    {
        if (!x50_grappleArmSkeletonModel)
            BuildXRayModel();
    }
    else
    {
        if (x50_grappleArmSkeletonModel)
            x50_grappleArmSkeletonModel = std::experimental::nullopt;
    }

    float speed = 1.f;
    if (!x3b2_27_armMoving)
        speed = (mgr.GetPlayer().GetPlayerMovementState() != CPlayer::EPlayerMovementState::OnGround &&
            x334_animState != EArmState::OutOfGrapple) ? 4.f : 1.f;
    x0_grappleArmModel->AdvanceAnimation(speed * dt, mgr, kInvalidAreaId, true);
    if (mgr.GetPlayerState()->HasPowerUp(CPlayerState::EItemType::GrappleBeam))
    {
        x250_grapLocatorXf = x0_grappleArmModel->GetScaledLocatorTransformDynamic("grapLocator_SDK", nullptr);
        x280_grapNozLoc1Xf = x0_grappleArmModel->GetScaledLocatorTransform("gNozLoc1_SDK");
        x2b0_grapNozLoc2Xf = x0_grappleArmModel->GetScaledLocatorTransform("gNozLoc1_SDK");
    }

    if (x3b2_27_armMoving)
        UpdateArmMovement(dt, mgr);
    else
        UpdateSwingAction(grappleSwingT, dt, mgr);

    if (x3a4_rainSplashGenerator)
        x3a4_rainSplashGenerator->Update(dt, mgr);
}

void CGrappleArm::PreRender(const CStateManager& mgr, const zeus::CFrustum& frustum, const zeus::CVector3f& camPos)
{
    if (x3b2_24_active && !x3b2_29_suitLoading)
    {
        x0_grappleArmModel->AnimationData()->PreRender();
        if (x50_grappleArmSkeletonModel)
            x50_grappleArmSkeletonModel->AnimationData()->PreRender();
    }

}

void CGrappleArm::RenderXRayModel(const CStateManager& mgr, const zeus::CTransform& modelXf,
                                  const CModelFlags& flags) const
{
    CGraphics::SetModelMatrix(modelXf * zeus::CTransform::Scale(x0_grappleArmModel->GetScale()));
    //CGraphics::DisableAllLights();
    //g_Renderer->SetAmbientColor(zeus::CColor::skWhite);
    CSkinnedModel& model =
        const_cast<CSkinnedModel&>(*x50_grappleArmSkeletonModel->GetAnimationData()->GetModelData());
    model.GetModelInst()->ActivateLights({CLight::BuildLocalAmbient({}, zeus::CColor::skWhite)});
    const_cast<CGrappleArm*>(this)->x0_grappleArmModel->AnimationData()->Render(model, flags, {}, nullptr);
    //g_Renderer->SetAmbientColor(zeus::CColor::skWhite);
    //CGraphics::DisableAllLights();
}

void CGrappleArm::PointGenerator(void* ctx, const std::vector<std::pair<zeus::CVector3f, zeus::CVector3f>>& vn)
{
    reinterpret_cast<CRainSplashGenerator*>(ctx)->GeneratePoints(vn);
}

void CGrappleArm::Render(const CStateManager& mgr, const zeus::CVector3f& pos,
                         const CModelFlags& flags, const CActorLights* lights) const
{
    if (x3b2_24_active && !x3b2_29_suitLoading)
    {
        zeus::CTransform modelXf = zeus::CTransform::Translate(pos) * x220_xf * x2e0_auxXf;
        if (x50_grappleArmSkeletonModel)
            RenderXRayModel(mgr, modelXf, flags);

        CModelFlags useFlags;
        const CActorLights* useLights;
        if (mgr.GetPlayerState()->GetCurrentVisor() == CPlayerState::EPlayerVisor::XRay)
        {
            useFlags = CModelFlags(5, 0, 3, zeus::CColor(1.f, 0.25f));
            useLights = nullptr;
        }
        else
        {
            useFlags = flags;
            useLights = lights;
        }

        if (x3a4_rainSplashGenerator && x3a4_rainSplashGenerator->IsRaining())
            CSkinnedModel::SetPointGeneratorFunc(x3a4_rainSplashGenerator.get(), PointGenerator);

        x0_grappleArmModel->Render(mgr, modelXf, useLights, useFlags);

        if (x3a4_rainSplashGenerator && x3a4_rainSplashGenerator->IsRaining())
        {
            CSkinnedModel::ClearPointGeneratorFunc();
            x3a4_rainSplashGenerator->Draw(modelXf);
        }

        if (mgr.GetPlayerState()->HasPowerUp(CPlayerState::EItemType::GrappleBeam))
        {
            xa0_grappleGearModel.Render(mgr, modelXf * x250_grapLocatorXf, useLights, useFlags);
            xec_grapNoz1Model.Render(mgr, modelXf * x280_grapNozLoc1Xf, useLights, useFlags);
            x138_grapNoz2Model.Render(mgr, modelXf * x2b0_grapNozLoc2Xf, useLights, useFlags);
        }
    }
}

void CGrappleArm::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId sender, CStateManager& mgr)
{
    if (msg == EScriptObjectMessage::Registered)
        AsyncLoadSuit(mgr);
}

void CGrappleArm::EnterStruck(CStateManager& mgr, float angle, bool bigStrike, bool notInFreeLook)
{
    if (x3b2_29_suitLoading)
        return;

    if (x3b2_28_isGrappling)
    {
        DisconnectGrappleBeam();
        x3b2_28_isGrappling = false;
    }

    if (!x3b2_27_armMoving)
    {
        x3b2_24_active = true;
        x3b2_27_armMoving = true;
        x334_animState = EArmState::GunControllerAnimation;
    }

    x328_gunController->EnterStruck(mgr, angle, bigStrike, notInFreeLook);
}

void CGrappleArm::EnterIdle(CStateManager& mgr)
{
    if (x3b2_29_suitLoading)
        return;

    x328_gunController->EnterIdle(mgr);
}

void CGrappleArm::EnterFidget(CStateManager& mgr, SamusGun::EFidgetType type, s32 gunId, s32 animSet)
{
    if (x3b2_29_suitLoading)
        return;

    x3b2_24_active = true;
    x3b2_27_armMoving = true;
    x334_animState = EArmState::GunControllerAnimation;

    x328_gunController->EnterFidget(mgr, s32(type), gunId, animSet);
}

void CGrappleArm::EnterFreeLook(s32 gunId, s32 setId, CStateManager& mgr)
{
    if (x3b2_29_suitLoading)
        return;

    x3b2_24_active = true;
    x3b2_27_armMoving = true;
    x334_animState = EArmState::GunControllerAnimation;

    x328_gunController->EnterFreeLook(mgr, gunId, setId);
}

void CGrappleArm::EnterComboFire(s32 gunId, CStateManager& mgr)
{
    if (x3b2_29_suitLoading)
        return;

    x3b2_24_active = true;
    x3b2_27_armMoving = true;
    x334_animState = EArmState::GunControllerAnimation;

    x328_gunController->EnterComboFire(mgr, gunId);
}

void CGrappleArm::ReturnToDefault(CStateManager& mgr, float dt, bool setState)
{
    if (x3b2_29_suitLoading)
        return;

    x328_gunController->ReturnToDefault(mgr, dt, setState);
}

}