#include "GameGlobalObjects.hpp"
#include "CBallCamera.hpp"
#include "TCastTo.hpp"
#include "CStateManager.hpp"
#include "Collision/CCollisionActor.hpp"
#include "World/CPlayer.hpp"
#include "Input/ControlMapper.hpp"
#include "Camera/CFirstPersonCamera.hpp"
#include "Camera/CPathCamera.hpp"
#include "World/CScriptSpindleCamera.hpp"
#include "World/CScriptCameraHint.hpp"
#include "World/CScriptDoor.hpp"
#include "World/CScriptWater.hpp"
#include "World/CScriptDock.hpp"
#include "Collision/CGameCollision.hpp"

namespace urde
{

void CCameraSpring::Reset()
{
    x4_k2Sqrt = 2.f * std::sqrt(x0_k);
    x10_dx = 0.f;
}

float CCameraSpring::ApplyDistanceSpringNoMax(float targetX, float curX, float dt)
{
    float useX = xc_tardis * x10_dx * dt + curX;
    x10_dx += xc_tardis * (x0_k * (targetX - curX) - x4_k2Sqrt * x10_dx) * dt;
    return std::max(useX, targetX);
}

float CCameraSpring::ApplyDistanceSpring(float targetX, float curX, float dt)
{
    float useX = xc_tardis * x10_dx * dt + curX;
    x10_dx += xc_tardis * (x0_k * (targetX - curX) - x4_k2Sqrt * x10_dx) * dt;
    useX = std::max(useX, targetX);
    if (useX - targetX > x8_max)
        useX = targetX + x8_max;
    return useX;
}

CBallCamera::CBallCamera(TUniqueId uid, TUniqueId watchedId, const zeus::CTransform& xf,
                         float fovy, float znear, float zfar, float aspect)
: CGameCamera(uid, true, "Ball Camera",
              CEntityInfo(kInvalidAreaId, CEntity::NullConnectionList),
              xf, fovy, znear, zfar, aspect, watchedId, false, 0),
  x214_ballCameraSpring(g_tweakBall->GetBallCameraSpringConstant(),
                        g_tweakBall->GetBallCameraSpringMax(),
                        g_tweakBall->GetBallCameraSpringTardis()),
  x228_ballCameraCentroidSpring(g_tweakBall->GetBallCameraCentroidSpringConstant(),
                                g_tweakBall->GetBallCameraCentroidSpringMax(),
                                g_tweakBall->GetBallCameraCentroidSpringTardis()),
  x23c_ballCameraLookAtSpring(g_tweakBall->GetBallCameraLookAtSpringConstant(),
                              g_tweakBall->GetBallCameraLookAtSpringMax(),
                              g_tweakBall->GetBallCameraLookAtSpringTardis()),
  x250_ballCameraCentroidDistanceSpring(g_tweakBall->GetBallCameraCentroidDistanceSpringConstant(),
                                        g_tweakBall->GetBallCameraCentroidDistanceSpringMax(),
                                        g_tweakBall->GetBallCameraCentroidDistanceSpringTardis()),
  x37c_camSpline(false),
  x41c_ballCameraChaseSpring(g_tweakBall->GetBallCameraChaseSpringConstant(),
                             g_tweakBall->GetBallCameraChaseSpringMax(),
                             g_tweakBall->GetBallCameraChaseSpringTardis()),
  x448_ballCameraBoostSpring(g_tweakBall->GetBallCameraBoostSpringConstant(),
                             g_tweakBall->GetBallCameraBoostSpringMax(),
                             g_tweakBall->GetBallCameraBoostSpringTardis())
{
    x18c_24_ = true;
    x18c_25_chaseAllowed = true;
    x18c_26_boostAllowed = true;
    x18c_27_obscureAvoidance = true;
    x18c_28_volumeCollider = true;
    x18c_29_clampAttitude = false;
    x18c_30_clampAzimuth = false;
    x18c_31_clearLOS = true;
    x18d_24_prevClearLOS = true;
    x18d_25_avoidGeometryFull = false;
    x18d_26_lookAtBall = false;
    x18d_27_forceProcessing = false;
    x18d_28_obtuseDirection = false;
    x18d_29_noElevationInterp = false;
    x18d_30_directElevation = false;
    x18d_31_overrideLookDir = false;
    x18e_24_noElevationVelClamp = false;
    x18e_25_noSpline = false;
    x18e_26_ = false;
    x18e_27_nearbyDoorClosed = false;
    x18e_28_nearbyDoorClosing = false;

    x190_curMinDistance = g_tweakBall->GetBallCameraMinSpeedDistance();
    x194_targetMinDistance = g_tweakBall->GetBallCameraMinSpeedDistance();
    x198_maxDistance = g_tweakBall->GetBallCameraMaxSpeedDistance();
    x19c_backwardsDistance = g_tweakBall->GetBallCameraBackwardsDistance();

    x1a0_elevation = g_tweakBall->GetBallCameraElevation();
    x1a4_curAnglePerSecond = g_tweakBall->GetBallCameraAnglePerSecond();
    x1a8_targetAnglePerSecond = g_tweakBall->GetBallCameraAnglePerSecond();
    x1b4_lookAtOffset = g_tweakBall->GetBallCameraOffset();

    x404_chaseElevation = g_tweakBall->GetBallCameraChaseElevation();
    x408_chaseDistance = g_tweakBall->GetBallCameraChaseDistance();
    x40c_chaseAnglePerSecond = g_tweakBall->GetBallCameraChaseAnglePerSecond();
    x410_chaseLookAtOffset = g_tweakBall->GetBallCameraChaseLookAtOffset();

    x430_boostElevation = g_tweakBall->GetBallCameraBoostElevation();
    x434_boostDistance = g_tweakBall->GetBallCameraBoostDistance();
    x438_boostAnglePerSecond = g_tweakBall->GetBallCameraBoostAnglePerSecond();
    x43c_boostLookAtOffset = g_tweakBall->GetBallCameraBoostLookAtOffset();

    x468_conservativeDoorCamDistance = g_tweakBall->GetConservativeDoorCameraDistance();

    x47c_failsafeState = std::make_unique<SFailsafeState>();
    x480_ = std::make_unique<u32>();

    SetupColliders(x264_smallColliders, 2.31f, 2.31f, 0.1f, 3, 2.f, 0.5f, -M_PIF / 2.f);
    SetupColliders(x274_mediumColliders, 4.62f, 4.62f, 0.1f, 6, 2.f, 0.5f, -M_PIF / 2.f);
    SetupColliders(x284_largeColliders, 7.f, 7.f, 0.1f, 12, 2.f, 0.5f, -M_PIF / 2.f);
}

void CBallCamera::SetupColliders(std::vector<CCameraCollider>& out, float xMag, float zMag, float radius, int count,
                                 float k, float max, float startAngle)
{
    out.reserve(count);
    float theta = startAngle;
    for (int i=0 ; i<count ; ++i)
    {
        float z = std::cos(theta) * zMag;
        if (theta > M_PIF / 2.f)
            z *= 0.25f;
        out.emplace_back(radius, zeus::CVector3f{std::sin(theta) * xMag, 0.f, z}, CCameraSpring{k, max, 1.f}, 1.f);
        theta += 2.f * M_PIF / float(count);
    }
}

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

void CBallCamera::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId objId, CStateManager& stateMgr)
{
    CGameCamera::AcceptScriptMsg(msg, objId, stateMgr);
    switch (msg)
    {
    case EScriptObjectMessage::Registered:
    {
        x46c_collisionActorId = stateMgr.AllocateUniqueId();
        CCollisionActor* colAct = new CCollisionActor(x46c_collisionActorId, GetAreaId(), kInvalidUniqueId,
                                                      true, 0.3f, 1.f);
        colAct->SetMaterialFilter(CMaterialFilter::MakeIncludeExclude({EMaterialTypes::Solid},
                                                                      {EMaterialTypes::Player,
                                                                       EMaterialTypes::CameraPassthrough}));
        colAct->SetMaterialList({EMaterialTypes::ProjectilePassthrough, EMaterialTypes::ScanPassthrough,
                                 EMaterialTypes::SeeThrough, EMaterialTypes::CameraPassthrough});
        colAct->SetTranslation(GetTranslation());
        stateMgr.AddObject(colAct);
        colAct->SetMovable(false);
        CMotionState mState(GetTranslation(), zeus::CNUQuaternion::fromAxisAngle(zeus::CVector3f::skForward, 0.f),
                            zeus::CVector3f::skZero, zeus::CAxisAngle::sIdentity);
        colAct->SetLastNonCollidingState(mState);
        SetMaterialFilter(CMaterialFilter::MakeIncludeExclude({},
                                                              {EMaterialTypes::Solid,
                                                               EMaterialTypes::ProjectilePassthrough,
                                                               EMaterialTypes::Player,
                                                               EMaterialTypes::Character,
                                                               EMaterialTypes::CameraPassthrough}));
        RemoveMaterial(EMaterialTypes::Solid, stateMgr);
        break;
    }
    case EScriptObjectMessage::Deleted:
        stateMgr.FreeScriptObject(x46c_collisionActorId);
        x46c_collisionActorId = kInvalidUniqueId;
        break;
    default:
        break;
    }
}

void CBallCamera::ProcessInput(const CFinalInput& input, CStateManager& mgr)
{
    if (input.ControllerIdx() != 0)
        return;

    if (TCastToConstPtr<CPlayer> player = mgr.GetObjectById(xe8_watchedObject))
    {
        if (player->GetMorphballTransitionState() == CPlayer::EPlayerMorphBallState::Morphed)
        {
            switch (x400_state)
            {
            case EBallCameraState::Chase:
                if (!ControlMapper::GetDigitalInput(ControlMapper::ECommands::ChaseCamera, input) ||
                    player->IsInFreeLook())
                    SetState(EBallCameraState::Default, mgr);
                break;
            case EBallCameraState::Boost:
                if (!player->GetMorphBall()->IsInBoost())
                    SetState(EBallCameraState::Default, mgr);
                break;
            case EBallCameraState::Default:
                if (x18c_25_chaseAllowed &&
                    ControlMapper::GetPressInput(ControlMapper::ECommands::ChaseCamera, input))
                    SetState(EBallCameraState::Chase, mgr);
                break;
            default:
                break;
            }

            if (x18c_26_boostAllowed && x400_state != EBallCameraState::Boost &&
                (player->GetMorphBall()->IsInBoost() || player->GetMorphBall()->GetBoostChargeTime() > 0.f))
                SetState(EBallCameraState::Boost, mgr);
        }
    }
}

void CBallCamera::Reset(const zeus::CTransform& xf, CStateManager& mgr)
{
    x214_ballCameraSpring.Reset();
    x228_ballCameraCentroidSpring.Reset();
    x23c_ballCameraLookAtSpring.Reset();
    x250_ballCameraCentroidDistanceSpring.Reset();
    x41c_ballCameraChaseSpring.Reset();
    x448_ballCameraBoostSpring.Reset();

    zeus::CVector3f desiredPos = FindDesiredPosition(x190_curMinDistance, x1a0_elevation, xf.basis[1], mgr, false);

    if (TCastToConstPtr<CPlayer> player = mgr.GetObjectById(xe8_watchedObject))
    {
        ResetPosition(mgr);
        x310_idealLookVec = x1b4_lookAtOffset;
        x31c_predictedLookPos = x1d8_lookPos;
        if ((x1d8_lookPos - desiredPos).canBeNormalized())
        {
            TeleportCamera(zeus::lookAt(desiredPos, x1d8_lookPos), mgr);
        }
        else
        {
            zeus::CTransform camXf = player->CreateTransformFromMovementDirection();
            camXf.origin = desiredPos;
            TeleportCamera(camXf, mgr);
            mgr.GetCameraManager()->SetPlayerCamera(mgr, GetUniqueId());
        }

        x2e8_ballVelFlat = 0.f;
        x2ec_maxBallVel = 0.f;
        x190_curMinDistance = x194_targetMinDistance;
        x2fc_ballDeltaFlat = zeus::CVector3f::skZero;
        x2f0_ballDelta = zeus::CVector3f::skZero;
        x18d_28_obtuseDirection = false;
        x308_speedFactor = 0.f;
        x2dc_prevBallPos = player->GetBallPosition();
        x294_dampedPos = GetTranslation();
        x2a0_smallCentroid = zeus::CVector3f::skZero;
        x2ac_mediumCentroid = zeus::CVector3f::skZero;
        x2b8_largeCentroid = zeus::CVector3f::skZero;
        x2c4_smallCollidersObsCount = 0;
        x2c8_mediumCollidersObsCount = 0;
        x2cc_largeCollidersObsCount = 0;
        x2d0_smallColliderIt = 0;
        x2d4_mediumColliderIt = 0;
        x2d8_largeColliderIt = 0;
        x32c_colliderMag = 1.f;
        x18d_25_avoidGeometryFull = true;
        x18d_27_forceProcessing = true;
        Think(0.1f, mgr);
        x18d_25_avoidGeometryFull = false;
        x18d_27_forceProcessing = false;
    }
}

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

void CBallCamera::SetState(EBallCameraState state, CStateManager& mgr)
{
    switch (state)
    {
    case EBallCameraState::ToBall:
    {
        zeus::CTransform xf = mgr.GetCameraManager()->GetFirstPersonCamera()->GetTransform();
        SetTransform(xf);
        TeleportCamera(xf.origin, mgr);
        SetFovInterpolation(mgr.GetCameraManager()->GetFirstPersonCamera()->GetFov(),
                            CCameraManager::ThirdPersonFOV(), 1.f, 0.f);
        x36c_splineState = ESplineState::Invalid;
    }
    case EBallCameraState::Default:
    case EBallCameraState::Chase:
    case EBallCameraState::Boost:
        mgr.SetGameState(CStateManager::EGameState::Running);
        break;
    case EBallCameraState::FromBall:
        mgr.GetCameraManager()->SetPlayerCamera(mgr, GetUniqueId());
        mgr.SetGameState(CStateManager::EGameState::Running);
        SetFovInterpolation(GetFov(), CCameraManager::FirstPersonFOV(), 1.f, 0.f);
        x36c_splineState = ESplineState::Invalid;
        break;
    default:
        break;
    }

    x400_state = state;
}

static const CMaterialFilter BallCameraFilter =
    CMaterialFilter::MakeIncludeExclude({EMaterialTypes::Solid},
    {EMaterialTypes::ProjectilePassthrough, EMaterialTypes::Player, EMaterialTypes::Character,
     EMaterialTypes::CameraPassthrough});

void CBallCamera::BuildSplineNav(CStateManager& mgr)
{
    zeus::CVector3f ballPos = mgr.GetPlayer().GetBallPosition();
    TUniqueId intersectId = kInvalidUniqueId;
    rstl::reserved_vector<TUniqueId, 1024> nearList;
    CRayCastResult result = mgr.RayWorldIntersection(intersectId, ballPos, zeus::CVector3f::skDown, 20.f,
                                                     BallCameraFilter, nearList);
    float downFactor = result.IsValid() ? zeus::clamp(0.f, result.GetT() / 20.f, 1.f) : 1.f;
    x36c_splineState = ESplineState::Nav;
    x370_24_reevalSplineEnd = true;
    x3d0_24_camBehindFloorOrWall = false;
    x37c_camSpline.Reset(4);
    x37c_camSpline.AddKnot(GetTranslation(), zeus::CVector3f::skForward);
    float elevation = x1a0_elevation;
    float distance = x190_curMinDistance;
    ConstrainElevationAndDistance(elevation, distance, 0.f, mgr);
    zeus::CVector3f pt1(x35c_splineIntermediatePos.x, x35c_splineIntermediatePos.y, GetTranslation().z);
    x37c_camSpline.AddKnot(pt1, zeus::CVector3f::skForward);
    zeus::CVector3f pt2 = pt1 + (x35c_splineIntermediatePos - GetTranslation()) * (0.5f + downFactor);
    x37c_camSpline.AddKnot(pt2, zeus::CVector3f::skForward);
    zeus::CVector3f pt2Ball = ballPos - pt2;
    if (pt2Ball.canBeNormalized())
        pt2Ball.normalize();
    else
        pt2Ball = mgr.GetPlayer().GetMoveDir();
    zeus::CVector3f desiredPosition = FindDesiredPosition(distance, elevation, pt2Ball, mgr, false);
    x37c_camSpline.AddKnot(desiredPosition, zeus::CVector3f::skForward);
    x37c_camSpline.UpdateSplineLength();
    x3d0_24_camBehindFloorOrWall = false;
    CMaterialList intersectMat;
    x3c8_collisionExcludeList = CMaterialList(EMaterialTypes::Floor, EMaterialTypes::Ceiling);
    if (!SplineIntersectTest(intersectMat, mgr))
    {
        if (intersectMat.HasMaterial(EMaterialTypes::Floor) || intersectMat.HasMaterial(EMaterialTypes::Wall))
        {
            x3d0_24_camBehindFloorOrWall = true;
            x3c8_collisionExcludeList = CMaterialList();
        }
    }
    x374_splineCtrl = 0.5f * downFactor + 2.f;
    x378_splineCtrlRange = 2.5f;
}

void CBallCamera::BuildSplineArc(CStateManager& mgr)
{
    zeus::CVector3f ballPos = mgr.GetPlayer().GetBallPosition();
    x36c_splineState = ESplineState::Arc;
    x370_24_reevalSplineEnd = false;
    x37c_camSpline.Reset(4);
    x37c_camSpline.AddKnot(GetTranslation(), zeus::CVector3f::skForward);
    float elevation = x1a0_elevation;
    float distance = x190_curMinDistance;
    ConstrainElevationAndDistance(elevation, distance, 0.f, mgr);
    zeus::CVector3f halfwayPoint = (ballPos.toVec2f() - GetTranslation().toVec2f()) * 0.5f + GetTranslation().toVec2f();
    halfwayPoint.z = GetTranslation().z;
    zeus::CVector3f delta = GetTranslation() - halfwayPoint;
    zeus::CQuaternion rot;
    rot.rotateZ(zeus::degToRad(45.f));
    if (mgr.GetPlayer().GetMoveDir().cross(x34_transform.basis[1]).z >= 0.f)
    {
        rot = zeus::CQuaternion();
        rot.rotateZ(zeus::degToRad(-45.f));
    }
    delta = rot.transform(delta);
    zeus::CVector3f pt1 = halfwayPoint + delta;
    TUniqueId intersectId = kInvalidUniqueId;
    rstl::reserved_vector<TUniqueId, 1024> nearList;
    CRayCastResult result =
        mgr.RayWorldIntersection(intersectId, pt1, -delta.normalized(), delta.magnitude(), BallCameraFilter, nearList);
    if (result.IsValid())
        pt1 = delta.normalized() * 1.5f + result.GetPoint();
    else
        pt1 = halfwayPoint + delta;
    x37c_camSpline.AddKnot(pt1, zeus::CVector3f::skForward);
    FindDesiredPosition(distance, elevation, mgr.GetPlayer().GetMoveDir(), mgr, false);
    delta = rot.transform(delta);
    zeus::CVector3f pt2 = halfwayPoint + delta;
    result =
        mgr.RayWorldIntersection(intersectId, pt2, -delta.normalized(), delta.magnitude(), BallCameraFilter, nearList);
    if (result.IsValid())
        pt2 = delta.normalized() * 2.f + result.GetPoint();
    else
        pt2 = halfwayPoint + delta;
    x37c_camSpline.AddKnot(pt2, zeus::CVector3f::skForward);
    delta = rot.transform(delta);
    zeus::CVector3f pt3 = delta + halfwayPoint;
    result =
        mgr.RayWorldIntersection(intersectId, pt3, -delta.normalized(), delta.magnitude(), BallCameraFilter, nearList);
    if (result.IsValid())
        pt3 = delta.normalized() * 2.f + result.GetPoint();
    else
        pt3 = halfwayPoint + delta;
    x37c_camSpline.AddKnot(pt3, zeus::CVector3f::skForward);
    CMaterialList intersectMat;
    if (!SplineIntersectTest(intersectMat, mgr) && intersectMat.HasMaterial(EMaterialTypes::Wall))
    {
        delta = pt1 - halfwayPoint;
        result =
        mgr.RayWorldIntersection(intersectId, pt1, -delta.normalized(), delta.magnitude(), BallCameraFilter, nearList);
        if (result.IsValid() && !result.GetMaterial().HasMaterial(EMaterialTypes::Pillar))
            x37c_camSpline.SetKnotPosition(1, result.GetPoint() - delta.normalized() * 0.3f * 1.25f);
        delta = pt2 - halfwayPoint;
        result =
        mgr.RayWorldIntersection(intersectId, pt2, -delta.normalized(), delta.magnitude(), BallCameraFilter, nearList);
        if (result.IsValid() && !result.GetMaterial().HasMaterial(EMaterialTypes::Pillar))
            x37c_camSpline.SetKnotPosition(2, result.GetPoint() - delta.normalized() * 0.3f * 1.25f);
        x37c_camSpline.UpdateSplineLength();
        if (!SplineIntersectTest(intersectMat, mgr))
        {
            x36c_splineState = ESplineState::Invalid;
            return;
        }
    }
    x374_splineCtrl = 0.5f;
    x378_splineCtrlRange = 0.5f;
    x37c_camSpline.UpdateSplineLength();
    x3c8_collisionExcludeList = CMaterialList();
}

bool CBallCamera::ShouldResetSpline(CStateManager& mgr) const
{
    return x400_state != EBallCameraState::ToBall && !mgr.GetCameraManager()->IsInterpolationCameraActive() &&
           mgr.GetPlayer().GetMorphBall()->GetSpiderBallState() != CMorphBall::ESpiderBallState::Active &&
           x36c_splineState == ESplineState::Invalid &&
           (x188_behaviour > EBallCameraBehaviour::SpindleCamera ||
            x188_behaviour < EBallCameraBehaviour::HintFixedPosition);
}

void CBallCamera::UpdatePlayerMovement(float dt, CStateManager& mgr)
{
    x2ec_maxBallVel = std::fabs(mgr.GetPlayer().GetActualBallMaxVelocity(dt));
    zeus::CVector3f ballPos = mgr.GetPlayer().GetBallPosition();
    x2f0_ballDelta = ballPos - x2dc_prevBallPos;
    x2fc_ballDeltaFlat = x2f0_ballDelta;
    x2fc_ballDeltaFlat.z = 0.f;
    if (x2fc_ballDeltaFlat.canBeNormalized())
        x2e8_ballVelFlat = x2fc_ballDeltaFlat.magnitude() / dt;
    else
        x2e8_ballVelFlat = 0.f;
    x2dc_prevBallPos = ballPos;
    x18d_28_obtuseDirection = false;
    zeus::CVector3f camToBallFlat = ballPos - GetTranslation();
    camToBallFlat.z = 0.f;
    if (camToBallFlat.canBeNormalized())
    {
        camToBallFlat.normalize();
        if (std::fabs(std::acos(zeus::clamp(-1.f, camToBallFlat.dot(mgr.GetPlayer().GetMoveDir()), 1.f))) >
            zeus::degToRad(100.f))
            x18d_28_obtuseDirection = true;
    }
    x308_speedFactor = 0.f;
    float tmpVel = x2e8_ballVelFlat - 4.f;
    if (tmpVel > 0.f)
        x308_speedFactor = zeus::clamp(-1.f,
            std::fabs(std::sin(zeus::degToRad(tmpVel / (x2ec_maxBallVel - 4.f) * 90.f))), 1.f);
    x190_curMinDistance = x308_speedFactor * (x198_maxDistance - x194_targetMinDistance) + x194_targetMinDistance;
    if (x308_speedFactor > 0.5f && mgr.GetPlayer().GetPlayerMovementState() == CPlayer::EPlayerMovementState::OnGround)
        x30c_speedingTime += dt * x308_speedFactor;
    else
        x30c_speedingTime = 0.f;
    x30c_speedingTime = zeus::clamp(0.f, x30c_speedingTime, 3.f);
}

void CBallCamera::UpdateTransform(const zeus::CVector3f& lookDir, const zeus::CVector3f& pos,
                                  float dt, CStateManager& mgr)
{
    zeus::CVector3f useLookDir = lookDir;
    if (x18d_31_overrideLookDir)
        if (const CScriptCameraHint* hint = mgr.GetCameraManager()->GetCameraHint(mgr))
            useLookDir = hint->GetTransform().basis[1];
    zeus::CVector3f lookDirFlat = useLookDir;
    lookDirFlat.z = 0.f;
    if (!lookDirFlat.canBeNormalized())
    {
        SetTranslation(pos);
        return;
    }
    zeus::CVector3f curLookDir = x34_transform.basis[1];
    if (curLookDir.canBeNormalized())
    {
        curLookDir.normalize();
    }
    else
    {
        SetTransform(zeus::lookAt(pos, pos + useLookDir));
        return;
    }
    float lookDirDot = zeus::clamp(-1.f, curLookDir.dot(useLookDir), 1.f);
    if (std::fabs(lookDirDot) >= 1.f)
    {
        SetTransform(zeus::lookAt(pos, pos + useLookDir));
    }
    else
    {
        float angleSpeedMul = zeus::clamp(0.f, std::acos(lookDirDot) / (zeus::degToRad(60.f) * dt), 1.f);
        float angleDelta = dt * x1a4_curAnglePerSecond * angleSpeedMul;
        float lookUpDot = std::fabs(zeus::clamp(-1.f, useLookDir.dot(zeus::CVector3f::skUp), 1.f));
        float maxAngleDelta = (1.f - lookUpDot) * zeus::degToRad(720.f) * dt;
        if (x36c_splineState == ESplineState::Nav)
        {
            maxAngleDelta = zeus::degToRad(240.f) * dt;
            if (angleDelta > maxAngleDelta)
                angleDelta = maxAngleDelta;
        }
        if (angleDelta > maxAngleDelta && !mgr.GetPlayer().IsMorphBallTransitioning() && lookUpDot > 0.999f)
            angleDelta = maxAngleDelta;
        switch (x400_state)
        {
        case EBallCameraState::Chase:
            if (x18c_25_chaseAllowed)
                angleDelta = dt * x40c_chaseAnglePerSecond * angleSpeedMul;
            break;
        case EBallCameraState::Boost:
            angleDelta = dt * x438_boostAnglePerSecond * angleSpeedMul;
            break;
        default:
            break;
        }
        if (x18d_26_lookAtBall || mgr.GetCameraManager()->IsInterpolationCameraActive())
        {
            x18d_26_lookAtBall = false;
            SetTransform(zeus::CQuaternion::lookAt(curLookDir, useLookDir, 2.f * M_PIF).toTransform() *
                         x34_transform.getRotation());
        }
        else
        {
            SetTransform(zeus::CQuaternion::lookAt(curLookDir, useLookDir, angleDelta).toTransform() *
                         x34_transform.getRotation());
        }
    }
    SetTranslation(pos);
}

zeus::CVector3f CBallCamera::ConstrainYawAngle(const CPlayer& player, float distance, float yawSpeed, float dt,
                                               CStateManager& mgr) const
{
    zeus::CVector3f playerToCamFlat = GetTranslation() - player.GetTranslation();
    playerToCamFlat.z = 0.f;
    zeus::CVector3f lookDir = player.GetTransform().basis[1];
    if (player.GetMorphballTransitionState() == CPlayer::EPlayerMorphBallState::Morphed)
    {
        lookDir = player.GetMoveDir();
        TCastToConstPtr<CScriptDoor> door = mgr.GetObjectById(x3dc_tooCloseActorId);
        if ((!door || !door->x2a8_26_isOpen) &&
            (x400_state == EBallCameraState::Boost || x400_state == EBallCameraState::Chase))
            lookDir = player.GetLeaveMorphDir();
    }
    if (player.GetMorphballTransitionState() == CPlayer::EPlayerMorphBallState::Unmorphing)
        lookDir = player.GetLeaveMorphDir();
    if (lookDir.canBeNormalized())
        lookDir.normalize();
    else
        lookDir = -playerToCamFlat;
    if (playerToCamFlat.canBeNormalized())
        playerToCamFlat.normalize();
    else
        return -lookDir;
    float angleProj = zeus::clamp(-1.f, playerToCamFlat.dot(-lookDir), 1.f);
    if (angleProj >= 1.f)
        return -lookDir;
    return zeus::CQuaternion::lookAt(playerToCamFlat, -lookDir, distance * dt *
        zeus::clamp(0.f, std::acos(angleProj) / yawSpeed, 1.f)).transform(playerToCamFlat);
}

void CBallCamera::CheckFailsafe(float dt, CStateManager& mgr)
{
    zeus::CVector3f ballPos = mgr.GetPlayer().GetBallPosition();
    x18d_24_prevClearLOS = x18c_31_clearLOS;
    zeus::CVector3f camToBall = ballPos - GetTranslation();
    float camToBallMag = camToBall.magnitude();
    camToBall.normalize();
    rstl::reserved_vector<TUniqueId, 1024> nearList;
    mgr.BuildNearList(nearList, GetTranslation(), camToBall, camToBallMag, BallCameraFilter, nullptr);
    CRayCastResult result =
        mgr.RayWorldIntersection(x368_obscuringObjectId, GetTranslation(), camToBall,
                                 camToBallMag, BallCameraFilter, nearList);
    if (result.IsValid())
    {
        x350_obscuringMaterial = result.GetMaterial();
        if (!mgr.RayCollideWorld(GetTranslation(), ballPos, nearList, BallCameraFilter, &mgr.GetPlayer()) &&
            !mgr.RayCollideWorld(GetTranslation(), mgr.GetPlayer().GetTranslation(), nearList,
                                 BallCameraFilter, &mgr.GetPlayer()))
        {
            x18c_31_clearLOS = false;
            if (x18d_24_prevClearLOS)
            {
                x35c_splineIntermediatePos = ballPos;
                if (ShouldResetSpline(mgr) && !x18e_25_noSpline &&
                    x350_obscuringMaterial.HasMaterial(EMaterialTypes::Floor) &&
                    mgr.RayCollideWorld(ballPos, ballPos + zeus::CVector3f(0.f, 0.f, -2.5f),
                                        nearList, BallCameraFilter, nullptr))
                    BuildSplineNav(mgr);
            }
        }
    }
    else
    {
        x18c_31_clearLOS = true;
        x350_obscuringMaterial = CMaterialList(EMaterialTypes::NoStepLogic);
    }

    if (!x18c_31_clearLOS)
    {
        x34c_obscuredTime += dt;
        if (ShouldResetSpline(mgr) && !x18e_25_noSpline && x350_obscuringMaterial.HasMaterial(EMaterialTypes::Pillar))
            BuildSplineArc(mgr);
    }
    else
    {
        x34c_obscuredTime = 0.f;
    }

    x358_unobscureMag = zeus::clamp(0.f, x34c_obscuredTime * 0.5f, 1.f);

    x3e4_pendingFailsafe = x18c_27_obscureAvoidance && (x34c_obscuredTime > 2.f ||
        (x3dc_tooCloseActorId != kInvalidUniqueId && x34c_obscuredTime > 1.f)) &&
        !x18c_31_clearLOS && x36c_splineState == ESplineState::Invalid;

    bool doFailsafe = x3e4_pendingFailsafe;
    if ((GetTranslation() - ballPos).magnitude() < 0.3f + g_tweakPlayer->GetPlayerBallHalfExtent())
        doFailsafe = true;

    if (x18e_27_nearbyDoorClosed)
    {
        x18e_27_nearbyDoorClosed = false;
        if (result.IsValid())
            doFailsafe = true;
    }

    if (x18e_28_nearbyDoorClosing)
    {
        x18e_28_nearbyDoorClosing = false;
        if (IsBallNearDoor(GetTranslation(), mgr))
            doFailsafe = true;
    }

    if (doFailsafe)
        ActivateFailsafe(dt, mgr);
}

void CBallCamera::UpdateObjectTooCloseId(CStateManager& mgr)
{
    x3e0_tooCloseActorDist = 1000000.f;
    x3dc_tooCloseActorId = kInvalidUniqueId;
    zeus::CVector3f ballPos = mgr.GetPlayer().GetBallPosition();
    for (CEntity* ent : mgr.GetPlatformAndDoorObjectList())
    {
        if (TCastToPtr<CScriptDoor> door = ent)
        {
            if (mgr.GetPlayer().GetAreaIdAlways() == door->GetAreaIdAlways())
            {
                door->GetBoundingBox();
                float minMag = std::min((door->GetTranslation() - GetTranslation()).magnitude(),
                                        (door->GetTranslation() - ballPos).magnitude());
                if (minMag < 30.f && minMag < x3e0_tooCloseActorDist)
                {
                    x3dc_tooCloseActorId = door->GetUniqueId();
                    x3e0_tooCloseActorDist = minMag;
                }
            }
        }
    }
}

void CBallCamera::UpdateAnglePerSecond(float dt)
{
    float delta = x1a8_targetAnglePerSecond - x1a4_curAnglePerSecond;
    if (std::fabs(delta) >= M_PIF / 1800.f)
        x1a4_curAnglePerSecond += zeus::clamp(-1.f, delta / M_PIF, 1.f) * (10.471975f * dt);
    else
        x1a4_curAnglePerSecond = x1a8_targetAnglePerSecond;
}

void CBallCamera::UpdateUsingPathCameras(float dt, CStateManager& mgr)
{
    if (TCastToPtr<CPathCamera> cam = mgr.ObjectById(mgr.GetCameraManager()->GetPathCameraId()))
    {
        TeleportCamera(cam->GetTransform(), mgr);
        x18d_26_lookAtBall = true;
    }
}

zeus::CVector3f CBallCamera::GetFixedLookTarget(const zeus::CVector3f& hintToLookDir, CStateManager& mgr) const
{
    const CScriptCameraHint* hint = mgr.GetCameraManager()->GetCameraHint(mgr);
    if (!hint)
        return hintToLookDir;
    zeus::CVector3f hintDir = hint->GetTransform().basis[1];
    zeus::CVector3f hintDirFlat = hintDir;
    hintDirFlat.z = 0.f;
    if (hintDir.canBeNormalized() && hintDirFlat.canBeNormalized())
    {
        hintDir.normalize();
        hintDirFlat.normalize();
    }
    else
    {
        hintDir = zeus::CVector3f::skForward;
        hintDirFlat = zeus::CVector3f::skForward;
    }

    zeus::CVector3f hintToLookDirFlat = hintToLookDir;
    hintToLookDirFlat.z = 0.f;
    if (hintToLookDir.canBeNormalized() && hintToLookDirFlat.canBeNormalized())
        hintToLookDirFlat.normalize();
    else
        hintToLookDirFlat = hintDirFlat;

    float attitude = std::acos(zeus::clamp(-1.f, hintToLookDir.dot(hintToLookDirFlat), 1.f));
    if (x18c_29_clampAttitude)
    {
        float refAttitude = std::acos(zeus::clamp(-1.f, hintDir.dot(hintDirFlat), 1.f));
        attitude = refAttitude + zeus::clamp(-x1ac_attitudeRange, attitude - refAttitude, x1ac_attitudeRange);
    }

    if (hintToLookDir.z >= 0.f)
        attitude = -attitude;

    float azimuth = std::acos(zeus::clamp(-1.f, hintToLookDirFlat.dot(hintDirFlat), 1.f));
    if (x18c_30_clampAzimuth)
        azimuth = zeus::clamp(-x1b0_azimuthRange, azimuth, x1b0_azimuthRange);

    if (hintToLookDirFlat.x * hintDirFlat.y - hintDirFlat.x * hintToLookDirFlat.y >= 0.f)
        azimuth = -azimuth;

    zeus::CQuaternion quat;
    quat.rotateZ(azimuth);
    zeus::CVector3f aziLookDirFlat = quat.transform(hintDirFlat);
    zeus::CVector3f attitudeAxis(aziLookDirFlat.y, -aziLookDirFlat.x, 0.f);
    attitudeAxis.normalize();
    return zeus::CQuaternion::fromAxisAngle(attitudeAxis, -attitude).transform(aziLookDirFlat);
}

void CBallCamera::UpdateUsingFixedCameras(float dt, CStateManager& mgr)
{
    if (const CScriptCameraHint* hint = mgr.GetCameraManager()->GetCameraHint(mgr))
    {
        switch (x188_behaviour)
        {
        case EBallCameraBehaviour::HintFixedPosition:
        {
            zeus::CVector3f hintToLookPos = x1d8_lookPos - hint->GetTranslation();
            if (hintToLookPos.canBeNormalized())
            {
                hintToLookPos = GetFixedLookTarget(hintToLookPos.normalized(), mgr);
                if ((hint->GetHint().GetOverrideFlags() & 0x40) != 0)
                    x18d_26_lookAtBall = true;
                UpdateTransform(hintToLookPos, hint->GetTranslation(), dt, mgr);
            }
            break;
        }
        case EBallCameraBehaviour::HintFixedTransform:
            SetTransform(hint->GetTransform());
            break;
        default:
            break;
        }
        TeleportCamera(GetTranslation(), mgr);
    }
}

zeus::CVector3f CBallCamera::ComputeVelocity(const zeus::CVector3f& curVel, const zeus::CVector3f& posDelta) const
{
    zeus::CVector3f ret = posDelta;
    if (x470_clampVelTimer > 0.f && ret.canBeNormalized() && !x18d_28_obtuseDirection)
    {
        float mag = ret.magnitude();
        mag = zeus::clamp(-x474_clampVelRange, mag, x474_clampVelRange);
        ret = ret.normalized() * mag;
    }
    return ret;
}

zeus::CVector3f CBallCamera::TweenVelocity(const zeus::CVector3f& curVel, const zeus::CVector3f& newVel,
                                           float rate, float dt)
{
    zeus::CVector3f velDelta = newVel - curVel;
    if (velDelta.canBeNormalized())
    {
        float t = zeus::clamp(-1.f, velDelta.magnitude() / (rate * dt), 1.f);
        return velDelta.normalized() * rate * dt * t + curVel;
    }
    return newVel;
}

zeus::CVector3f CBallCamera::MoveCollisionActor(const zeus::CVector3f& pos, float dt, CStateManager& mgr)
{
    if (TCastToPtr<CPhysicsActor> act = mgr.ObjectById(x46c_collisionActorId))
    {
        zeus::CVector3f posDelta = pos - act->GetTranslation();
        if (!posDelta.canBeNormalized() || posDelta.magnitude() < 0.01f)
        {
            act->Stop();
            return act->GetTranslation();
        }
        zeus::CVector3f oldTranslation = act->GetTranslation();
        zeus::CVector3f oldVel = act->GetVelocity();
        zeus::CVector3f newVel = ComputeVelocity(oldVel, posDelta * (1.f / dt));
        act->SetVelocityWR(newVel);
        act->SetMovable(true);
        act->AddMaterial(EMaterialTypes::Solid, mgr);
        CGameCollision::Move(mgr, *act, dt, nullptr);
        zeus::CVector3f posDelta2 = act->GetTranslation() - pos;
        if (posDelta2.canBeNormalized() && posDelta2.magnitude() > 0.1f)
        {
            act->SetTranslation(oldTranslation);
            act->SetVelocityWR(TweenVelocity(oldVel, newVel, 50.f, dt));
            CGameCollision::Move(mgr, *act, dt, nullptr);
            posDelta2 = act->GetTranslation() - pos;
            if (posDelta2.magnitude() > 0.1f)
                x478_shortMoveCount += 1;
            else
                x478_shortMoveCount = 0;
        }
        else
        {
            act->Stop();
            x478_shortMoveCount = 0;
        }
        act->SetMovable(false);
        act->RemoveMaterial(EMaterialTypes::Solid, mgr);
        return act->GetTranslation();
    }
    return pos;
}

void CBallCamera::UpdateUsingFreeLook(float dt, CStateManager& mgr)
{
    if (x400_state == EBallCameraState::ToBall || x400_state == EBallCameraState::FromBall)
    {
        x36c_splineState = ESplineState::Invalid;
        return;
    }

    if (x36c_splineState == ESplineState::Nav && x188_behaviour <= EBallCameraBehaviour::SpindleCamera &&
        x188_behaviour >= EBallCameraBehaviour::HintFixedPosition)
    {
        x36c_splineState = ESplineState::Invalid;
        return;
    }

    float elevation = x1a0_elevation;
    float distance = x190_curMinDistance;
    ConstrainElevationAndDistance(elevation, distance, 0.f, mgr);

    zeus::CVector3f ballPos = mgr.GetPlayer().GetBallPosition();
    zeus::CVector3f knotToBall = ballPos - x37c_camSpline.GetKnotPosition(2);
    if (knotToBall.canBeNormalized())
        knotToBall.normalize();
    else
        knotToBall = mgr.GetPlayer().GetMoveDir();
    zeus::CVector3f knot3 = x37c_camSpline.GetKnotPosition(3);
    zeus::CVector3f desiredPos = FindDesiredPosition(distance, elevation, knotToBall, mgr, false);

    if (x370_24_reevalSplineEnd)
        x37c_camSpline.SetKnotPosition(3, desiredPos);

    x374_splineCtrl -= dt;

    float splineT = 1.f - zeus::clamp(0.f, x374_splineCtrl / x378_splineCtrlRange, 1.f);
    if (x36c_splineState == ESplineState::Nav)
    {
        CMaterialList intersectMat;
        if (!SplineIntersectTest(intersectMat, mgr))
        {
            x37c_camSpline.SetKnotPosition(3, knot3);
            if (intersectMat.HasMaterial(EMaterialTypes::Floor))
            {
                x36c_splineState = ESplineState::Invalid;
                return;
            }
        }
    }

    if (x374_splineCtrl <= 0.f || (splineT > 0.75f && x18c_31_clearLOS))
    {
        if (x36c_splineState == ESplineState::Arc && !x18c_31_clearLOS)
        {
            CMaterialList intersectMat;
            if (!SplineIntersectTest(intersectMat, mgr))
            {
                x36c_splineState = ESplineState::Invalid;
            }
            else
            {
                zeus::CVector3f oldKnot2 = x37c_camSpline.GetKnotPosition(2);
                zeus::CVector3f oldKnot1 = x37c_camSpline.GetKnotPosition(1);
                BuildSplineArc(mgr);
                x37c_camSpline.SetKnotPosition(3, x37c_camSpline.GetKnotPosition(1));
                x37c_camSpline.SetKnotPosition(2, x37c_camSpline.GetKnotPosition(0));
                x37c_camSpline.SetKnotPosition(1, oldKnot2);
                x37c_camSpline.SetKnotPosition(0, oldKnot1);
                x37c_camSpline.UpdateSplineLength();
                x374_splineCtrl = x378_splineCtrlRange - x378_splineCtrlRange *
                                  (x37c_camSpline.GetKnotT(2) / x37c_camSpline.x44_length);
                x374_splineCtrl -= dt;
                splineT = zeus::clamp(0.f, x374_splineCtrl / x378_splineCtrlRange, 1.f);
            }
        }
        else
        {
            x36c_splineState = ESplineState::Invalid;
        }
    }

    x37c_camSpline.UpdateSplineLength();
    zeus::CVector3f pos = x37c_camSpline.GetInterpolatedSplinePointByLength(splineT *
                          x37c_camSpline.x44_length).origin;
    if (TCastToPtr<CPhysicsActor> act = mgr.ObjectById(x46c_collisionActorId))
    {
        CMaterialFilter filter = act->GetMaterialFilter();
        CMaterialFilter tmpFilter = filter;
        tmpFilter.IncludeList().Add(EMaterialTypes::Wall);
        tmpFilter.ExcludeList().Add(x3c8_collisionExcludeList);
        act->SetMaterialFilter(tmpFilter);
        MoveCollisionActor(pos, dt, mgr);
        act->SetMaterialFilter(filter);
    }

    zeus::CVector3f lookDir = x1d8_lookPos - desiredPos;
    if (x18d_26_lookAtBall)
        lookDir = ballPos - desiredPos;

    if (lookDir.canBeNormalized())
    {
        lookDir.normalize();
        UpdateTransform(lookDir, desiredPos, dt, mgr);
    }

    TeleportCamera(desiredPos, mgr);

    if (x3d0_24_camBehindFloorOrWall && x374_splineCtrl / x378_splineCtrlRange < 0.5f)
        x36c_splineState = ESplineState::Invalid;
}

zeus::CVector3f CBallCamera::InterpolateCameraElevation(const zeus::CVector3f& camPos, float dt)
{
    if (x1a0_elevation < 2.f)
        return camPos;

    zeus::CVector3f ret = camPos;
    if (!x18c_31_clearLOS && x350_obscuringMaterial.HasMaterial(EMaterialTypes::Floor))
    {
        x3d4_elevInterpTimer = 1.f;
        ret.z = x3d8_elevInterpStart = GetTranslation().z;
    }
    else if (x3d4_elevInterpTimer > 0.f)
    {
        x3d4_elevInterpTimer -= dt;
        ret.z = (camPos.z - x3d8_elevInterpStart) * (1.f - zeus::clamp(0.f, x3d4_elevInterpTimer, 1.f)) +
            x3d8_elevInterpStart;
    }

    return ret;
}

zeus::CVector3f CBallCamera::CalculateCollidersCentroid(const std::vector<CCameraCollider>& colliderList,
                                                        int numObscured) const
{
    if (colliderList.size() < 3)
        return zeus::CVector3f::skForward;

    int clearColliders = 0;
    const CCameraCollider* prevCol = &colliderList.back();
    float accumCross = 0.f;
    float accumX = 0.f;
    float accumZ = 0.f;
    for (const CCameraCollider& col : colliderList)
    {
        if (prevCol->x4c_occlusionCount < 2 && col.x4c_occlusionCount < 2)
        {
            float z0 = prevCol->x50_scale * prevCol->x8_lastLocalPos.z;
            float x1 = prevCol->x50_scale * col.x8_lastLocalPos.x;
            float x0 = prevCol->x50_scale * prevCol->x8_lastLocalPos.x;
            float z1 = prevCol->x50_scale * col.x8_lastLocalPos.z;

            float cross = x0 * z1 - x1 * z0;
            accumCross += cross;
            accumX += cross * (x1 + x0);
            accumZ += cross * (z1 + z0);
        }
        else
        {
            clearColliders += 1;
        }
        prevCol = &col;
    }

    if (clearColliders / float(colliderList.size()) <= x330_clearColliderThreshold)
    {
        return zeus::CVector3f::skForward;
    }
    else if (0.f != accumCross)
    {
        float baryCross = 3.f * accumCross;
        return {accumX / baryCross, 0.f, accumZ / baryCross};
    }

    return {0.f, 2.f, 0.f};
}

zeus::CVector3f CBallCamera::ApplyColliders()
{
    zeus::CVector3f smallCentroid = CalculateCollidersCentroid(x264_smallColliders, x2c4_smallCollidersObsCount);
    zeus::CVector3f mediumCentroid = CalculateCollidersCentroid(x274_mediumColliders, x2c8_mediumCollidersObsCount);
    zeus::CVector3f largeCentroid = CalculateCollidersCentroid(x284_largeColliders, x2cc_largeCollidersObsCount);

    if (smallCentroid.y == 0.f)
        x2a0_smallCentroid = smallCentroid;
    else
        x2a0_smallCentroid = zeus::CVector3f::skZero;

    float centroidX = x2a0_smallCentroid.x;
    float centroidZ = x2a0_smallCentroid.z;

    if (mediumCentroid.y == 0.f)
        x2ac_mediumCentroid = mediumCentroid;
    else
        x2ac_mediumCentroid = zeus::CVector3f::skZero;

    centroidX += x2ac_mediumCentroid.x;
    centroidZ += x2ac_mediumCentroid.z;

    if (largeCentroid.y == 0.f)
        x2b8_largeCentroid = largeCentroid;
    else
        x2b8_largeCentroid = zeus::CVector3f::skZero;

    centroidX += x2b8_largeCentroid.x;
    centroidZ += x2b8_largeCentroid.z;

    if (x18c_31_clearLOS)
        centroidX /= 1.5f;
    centroidZ /= 3.f;

    if (!x18c_31_clearLOS && x368_obscuringObjectId == kInvalidUniqueId)
    {
        float xMul = 1.5f;
        float zMul = 1.f;
        if (x350_obscuringMaterial.HasMaterial(EMaterialTypes::Floor))
            zMul += 2.f * x358_unobscureMag;
        if (x350_obscuringMaterial.HasMaterial(EMaterialTypes::Wall))
            xMul += 3.f * zeus::clamp(0.f, x358_unobscureMag - 0.25f, 1.f);
        centroidX *= xMul;
        centroidZ *= zMul;
    }

    if (!x18c_28_volumeCollider)
        return zeus::CVector3f::skZero;

    if (std::fabs(centroidX) < 0.05f)
        centroidX = 0.f;
    if (std::fabs(centroidZ) < 0.05f)
        centroidZ = 0.f;

    if (x18c_31_clearLOS)
        centroidZ *= 0.5f;

    return {centroidX, 0.f, centroidZ};
}

void CBallCamera::UpdateColliders(const zeus::CTransform& xf, std::vector<CCameraCollider>& colliderList, int& it,
                                  int count, float tolerance, const rstl::reserved_vector<TUniqueId, 1024>& nearList,
                                  float dt, CStateManager& mgr)
{
    if (it < colliderList.size())
    {
        x310_idealLookVec = {0.f, g_tweakBall->GetBallCameraOffset().y, g_tweakPlayer->GetPlayerBallHalfExtent()};
        x310_idealLookVec.y *= x308_speedFactor;
        x31c_predictedLookPos = mgr.GetPlayer().GetMoveDir() * x310_idealLookVec.y;
        x31c_predictedLookPos.z = x310_idealLookVec.z;
        x31c_predictedLookPos += mgr.GetPlayer().GetTranslation();
        zeus::CTransform predictedLookXf = zeus::lookAt(xf.origin, x31c_predictedLookPos);
        float toleranceRecip = 1.f / tolerance;
        for (int i=0 ; i<count ; ++i)
        {
            zeus::CVector3f localPos = colliderList[it].x14_localPos;
            zeus::CVector3f worldPos = predictedLookXf.rotate(localPos) + predictedLookXf.origin;
            if ((colliderList[it].x2c_lastWorldPos - worldPos).magnitude() < 0.1f)
            {
                localPos = colliderList[it].x8_lastLocalPos;
                worldPos = colliderList[it].x2c_lastWorldPos;
            }
            zeus::CVector3f centerToCollider = worldPos - predictedLookXf.origin;
            float mag = centerToCollider.magnitude();
            if (centerToCollider.canBeNormalized())
            {
                centerToCollider.normalize();
                TUniqueId intersectId = kInvalidUniqueId;
                CRayCastResult result =
                mgr.RayWorldIntersection(intersectId, predictedLookXf.origin, centerToCollider,
                                         mag + colliderList[it].x4_radius, BallCameraFilter, nearList);
                if (result.IsValid())
                {
                    zeus::CVector3f centerToPoint = centerToCollider * (result.GetT() - colliderList[it].x4_radius);
                    worldPos = centerToPoint + predictedLookXf.origin;
                    localPos = predictedLookXf.getRotation().inverse() * centerToPoint;
                }
            }
            colliderList[it].x2c_lastWorldPos = worldPos;
            colliderList[it].x8_lastLocalPos = localPos;
            zeus::CVector3f scaledWorldColliderPos = centerToCollider * mag * toleranceRecip;
            scaledWorldColliderPos = scaledWorldColliderPos * x308_speedFactor + x31c_predictedLookPos;
            colliderList[it].x20_scaledWorldPos = scaledWorldColliderPos;
            if (mgr.RayCollideWorld(worldPos, scaledWorldColliderPos, nearList, BallCameraFilter, nullptr))
                colliderList[it].x4c_occlusionCount = 0;
            else
                colliderList[it].x4c_occlusionCount += 1;
            it += 1;
            if (it == colliderList.size())
                it = 0;
        }
    }
}

zeus::CVector3f CBallCamera::AvoidGeometry(const zeus::CTransform& xf,
                                           const rstl::reserved_vector<TUniqueId, 1024>& nearList,
                                           float dt, CStateManager& mgr)
{
    switch (x328_avoidGeomCycle)
    {
    case 0:
        UpdateColliders(xf, x264_smallColliders, x2d0_smallColliderIt, 1, 4.f, nearList, dt, mgr);
        break;
    case 1:
        UpdateColliders(xf, x274_mediumColliders, x2d4_mediumColliderIt, 3, 4.f, nearList, dt, mgr);
        break;
    case 2:
        UpdateColliders(xf, x284_largeColliders, x2d8_largeColliderIt, 4, 4.f, nearList, dt, mgr);
        break;
    case 3:
        UpdateColliders(xf, x284_largeColliders, x2d8_largeColliderIt, 4, 4.f, nearList, dt, mgr);
        break;
    default:
        break;
    }

    x328_avoidGeomCycle += 1;
    if (x328_avoidGeomCycle >= 4)
        x328_avoidGeomCycle = 0;

    return ApplyColliders();
}

zeus::CVector3f CBallCamera::AvoidGeometryFull(const zeus::CTransform& xf,
                                               const rstl::reserved_vector<TUniqueId, 1024>& nearList,
                                               float dt, CStateManager& mgr)
{
    UpdateColliders(xf, x264_smallColliders, x2d0_smallColliderIt,
                    x264_smallColliders.size(), 4.f, nearList, dt, mgr);
    UpdateColliders(xf, x274_mediumColliders, x2d4_mediumColliderIt,
                    x274_mediumColliders.size(), 4.f, nearList, dt, mgr);
    UpdateColliders(xf, x284_largeColliders, x2d8_largeColliderIt,
                    x284_largeColliders.size(), 4.f, nearList, dt, mgr);
    return ApplyColliders();
}

zeus::CAABox CBallCamera::CalculateCollidersBoundingBox(const std::vector<CCameraCollider>& colliderList,
                                                        CStateManager& mgr) const
{
    zeus::CAABox aabb;
    for (const CCameraCollider& col : colliderList)
        aabb.accumulateBounds(col.x2c_lastWorldPos);
    aabb.accumulateBounds(mgr.GetPlayer().GetTranslation());
    return aabb;
}

int CBallCamera::CountObscuredColliders(const std::vector<CCameraCollider>& colliderList) const
{
    int ret = 0;
    for (const CCameraCollider& c : colliderList)
        if (c.x4c_occlusionCount >= 2)
            ++ret;
    return ret;
}

void CBallCamera::UpdateCollidersDistances(std::vector<CCameraCollider>& colliderList,
                                           float xMag, float zMag, float angOffset)
{
    float theta = angOffset;
    for (CCameraCollider& col : colliderList)
    {
        float z = std::cos(theta) * zMag;
        if (theta > M_PIF / 2.f)
            z *= 0.25f;
        col.x14_localPos = {std::sin(theta) * xMag, 0.f, z};
        theta += 2.f * M_PIF / float(colliderList.size());
    }
}

void CBallCamera::UpdateUsingColliders(float dt, CStateManager& mgr)
{
    if (mgr.GetPlayer().GetBombJumpCount() == 1)
        return;

    zeus::CVector3f ballPos = mgr.GetPlayer().GetBallPosition();

    if (mgr.GetPlayer().GetBombJumpCount() == 2)
    {
        zeus::CVector3f camToLookDir = x1d8_lookPos - GetTranslation();
        if (x18d_26_lookAtBall)
            camToLookDir = ballPos - GetTranslation();

        if (camToLookDir.canBeNormalized())
        {
            camToLookDir.normalize();
            UpdateTransform(camToLookDir, GetTranslation(), dt, mgr);
        }
    }
    else if (mgr.GetPlayer().GetMorphballTransitionState() != CPlayer::EPlayerMorphBallState::Unmorphed ||
             x18d_25_avoidGeometryFull)
    {
        zeus::CTransform oldXf = x34_transform;
        zeus::CVector3f oldPos = GetTranslation();
        x2c4_smallCollidersObsCount = CountObscuredColliders(x264_smallColliders);
        x2c8_mediumCollidersObsCount = CountObscuredColliders(x274_mediumColliders);
        x2cc_largeCollidersObsCount = CountObscuredColliders(x284_largeColliders);
        zeus::CVector3f posAtBallLevel = {0.f, 0.f, GetTranslation().z - ballPos.z};
        zeus::CVector3f ballToCamFlat = GetTranslation() - ballPos;
        ballToCamFlat.z = 0.f;
        float ballToCamFlatMag = 0.f;
        if (ballToCamFlat.canBeNormalized())
            ballToCamFlatMag = ballToCamFlat.magnitude();
        else
            ballToCamFlat = -mgr.GetPlayer().GetMoveDir();
        posAtBallLevel = GetTranslation() - posAtBallLevel;
        zeus::CTransform ballToUnderCamLook;
        if ((posAtBallLevel - ballPos).canBeNormalized())
            ballToUnderCamLook = zeus::lookAt(ballPos, posAtBallLevel);
        float distance = x214_ballCameraSpring.ApplyDistanceSpring(x190_curMinDistance, ballToCamFlatMag,
                                                                   (3.f + x308_speedFactor) * dt);
        zeus::CVector3f camToBall = ballPos - GetTranslation();
        camToBall.z = 0.f;
        if (camToBall.canBeNormalized())
        {
            camToBall.normalize();
            if (std::fabs(std::acos(zeus::clamp(-1.f, camToBall.dot(mgr.GetPlayer().GetMoveDir()), 1.f))) >
                zeus::degToRad(150.f) && mgr.GetPlayer().GetVelocity().canBeNormalized())
            {
                distance = x214_ballCameraSpring.
                    ApplyDistanceSpring(x308_speedFactor * (x19c_backwardsDistance -x190_curMinDistance) +
                                            x190_curMinDistance, ballToCamFlatMag, 3.f * dt);
            }
        }
        x334_collidersAABB = CalculateCollidersBoundingBox(x284_largeColliders, mgr);
        rstl::reserved_vector<TUniqueId, 1024> nearList;
        mgr.BuildNearList(nearList, x334_collidersAABB, BallCameraFilter,
                          TCastToConstPtr<CActor>(mgr.GetObjectById(x46c_collisionActorId)).GetPtr());
        if (!x18c_31_clearLOS && x368_obscuringObjectId == kInvalidUniqueId)
        {
            if (x34c_obscuredTime > 0.f || x350_obscuringMaterial.HasMaterial(EMaterialTypes::Floor) ||
                x350_obscuringMaterial.HasMaterial(EMaterialTypes::Wall))
            {
                x32c_colliderMag += 2.f * dt;
                if (x32c_colliderMag < 2.f)
                    x32c_colliderMag = 2.f;
                if (x32c_colliderMag > 2.f)
                    x32c_colliderMag = 2.f;
                UpdateCollidersDistances(x264_smallColliders, 2.31f * x32c_colliderMag,
                                         2.31f * x32c_colliderMag * 0.5f, -M_PIF / 2.f);
                UpdateCollidersDistances(x274_mediumColliders, 4.62f * x32c_colliderMag,
                                         4.62f * x32c_colliderMag * 0.5f, -M_PIF / 2.f);
                UpdateCollidersDistances(x284_largeColliders, 7.f * x32c_colliderMag,
                                         7.f * x32c_colliderMag * 0.5f, -M_PIF / 2.f);
            }
        }
        else
        {
            float targetColliderMag = 1.f;
            if (x18d_24_prevClearLOS && mgr.GetPlayer().GetMoveSpeed() < 1.f)
                targetColliderMag = 0.25f;
            x32c_colliderMag += (targetColliderMag - x32c_colliderMag) * dt * 2.f;
            UpdateCollidersDistances(x264_smallColliders, x32c_colliderMag * 2.31f,
                                     x32c_colliderMag * 2.31f, -M_PIF / 2.f);
            UpdateCollidersDistances(x274_mediumColliders, x32c_colliderMag * 4.62f,
                                     x32c_colliderMag * 4.62f, -M_PIF / 2.f);
            UpdateCollidersDistances(x284_largeColliders, x32c_colliderMag * 7.f,
                                     x32c_colliderMag * 7.f, -M_PIF / 2.f);
        }

        float elevation = x1a0_elevation;
        bool noDoor = !ConstrainElevationAndDistance(elevation, distance, dt, mgr);
        zeus::CVector3f desiredBallToCam = ballToUnderCamLook.rotate({0.f, distance, elevation});

        if (TCastToConstPtr<CScriptDoor> door = mgr.GetObjectById(x3dc_tooCloseActorId))
        {
            if (!door->x2a8_26_isOpen)
            {
                if (x400_state == EBallCameraState::Boost)
                {
                    zeus::CVector3f ballToCam = GetTranslation() - ballPos;
                    if (ballToCam.canBeNormalized())
                        ballToCam.normalize();
                    else
                        ballToCam = GetTransform().basis[1];
                    if (std::fabs(ballToCamFlatMag - x430_boostElevation) < 1.f)
                    {
                        ballToCam = ConstrainYawAngle(mgr.GetPlayer(), g_tweakBall->GetBallCameraBoostDistance(),
                                                 g_tweakBall->GetBallCameraBoostYawSpeed(), dt, mgr);
                    }
                    ballToCam.normalize();
                    ballToCam.z = 0.f;
                    ballToCam = ballToCam * distance;
                    ballToCam.z = 1.f;
                    desiredBallToCam = ballToCam;
                    noDoor = false;
                }
                if (x18c_25_chaseAllowed && (x400_state == EBallCameraState::Chase ||
                    x188_behaviour == EBallCameraBehaviour::FreezeLookPosition))
                {
                    zeus::CVector3f ballToCam = GetTranslation() - ballPos;
                    if (ballToCam.canBeNormalized())
                        ballToCam.normalize();
                    else
                        ballToCam = GetTransform().basis[1];
                    if (std::fabs(ballToCamFlatMag - x404_chaseElevation) < 3.f)
                    {
                        ballToCam = ConstrainYawAngle(mgr.GetPlayer(), g_tweakBall->GetBallCameraChaseDistance(),
                                                 g_tweakBall->GetBallCameraChaseYawSpeed(), dt, mgr);
                    }
                    ballToCam.z = 0.f;
                    ballToCam.normalize();
                    ballToCam = ballToCam * distance;
                    ballToCam.z = g_tweakBall->GetBallCameraElevation();
                    desiredBallToCam = ballToCam;
                    noDoor = false;
                }
            }
        }

        if (x188_behaviour == EBallCameraBehaviour::HintBallToCam)
        {
            desiredBallToCam = x45c_overrideBallToCam;
            if (x18c_27_obscureAvoidance)
            {
                zeus::CVector3f ballToCamDir = x45c_overrideBallToCam;
                if (ballToCamDir.canBeNormalized())
                    ballToCamDir.normalize();
                else
                    ballToCamDir = -mgr.GetPlayer().GetMoveDir();
                TUniqueId intersectId = kInvalidUniqueId;
                CRayCastResult result =
                mgr.RayWorldIntersection(intersectId, ballPos, ballToCamDir, distance, BallCameraFilter, nearList);
                if (result.IsValid())
                    desiredBallToCam = ballToCamDir * result.GetT() * 0.9f;
            }
            noDoor = false;
        }

        distance = desiredBallToCam.magnitude();
        zeus::CVector3f desiredCamPos = ballPos + desiredBallToCam;
        float d = 0.f;
        if (DetectCollision(ballPos, desiredCamPos, 0.3f, d, mgr))
        {
            if (d >= 1.f)
            {
                desiredBallToCam = desiredBallToCam.normalized() * d;
                desiredCamPos = ballPos + desiredBallToCam;
            }
            else
            {
                desiredBallToCam = ballPos + GetTranslation();
                desiredCamPos = GetTranslation();
            }
        }

        zeus::CTransform lookXf = zeus::lookAt(desiredCamPos, x1d8_lookPos);
        zeus::CTransform oldLookXf = zeus::lookAt(GetTranslation(), x1d8_lookPos);
        x1e4_nextLookXf = lookXf;
        lookXf = oldLookXf;
        zeus::CVector3f colliderPointLocal;
        if (x18d_25_avoidGeometryFull || !x18c_31_clearLOS)
            colliderPointLocal = AvoidGeometryFull(lookXf, nearList, dt, mgr);
        else
            colliderPointLocal = AvoidGeometry(lookXf, nearList, dt, mgr);

        zeus::CVector3f ballToCam2 = GetTranslation() - ballPos;
        ballToCam2.z = 0.f;
        if (ballToCam2.magnitude() < 2.f)
        {
            if (x18c_31_clearLOS && x478_shortMoveCount > 2)
                colliderPointLocal = colliderPointLocal / float(x478_shortMoveCount);
            if (d < 3.f)
            {
                colliderPointLocal = colliderPointLocal * 0.25f;
                if (x18c_31_clearLOS && x478_shortMoveCount > 0)
                    colliderPointLocal = colliderPointLocal * x308_speedFactor;
            }
            if (d < 1.f)
                colliderPointLocal = zeus::CVector3f::skZero;
        }

        zeus::CVector3f camDelta = lookXf.rotate(colliderPointLocal) + desiredCamPos - ballPos;
        if (camDelta.canBeNormalized())
            camDelta.normalize();
        zeus::CVector3f desiredPos = camDelta * distance + ballPos;

        if (x188_behaviour == EBallCameraBehaviour::PathCameraDesiredPos)
            if (TCastToConstPtr<CPathCamera> cam = mgr.GetObjectById(mgr.GetCameraManager()->GetPathCameraId()))
                desiredPos = cam->GetTranslation();

        camDelta = x294_dampedPos - desiredPos;
        float camDeltaMag = camDelta.magnitude();
        if (camDelta.canBeNormalized())
            camDelta.normalize();

        x294_dampedPos = camDelta * x228_ballCameraCentroidSpring.
            ApplyDistanceSpring(0.f, camDeltaMag, dt) + desiredPos;
        zeus::CVector3f posDelta = oldPos - x294_dampedPos;
        camDeltaMag = posDelta.magnitude();
        if (posDelta.canBeNormalized())
            posDelta.normalize();

        float cDistSpringMag = x250_ballCameraCentroidDistanceSpring.
            ApplyDistanceSpring(0.f, camDeltaMag, (x18d_28_obtuseDirection ? 3.f : 1.f) * dt);
        if (x400_state == EBallCameraState::Boost)
            cDistSpringMag = x448_ballCameraBoostSpring.ApplyDistanceSpring(0.f, camDeltaMag, dt);
        else if (x18c_25_chaseAllowed && (x400_state == EBallCameraState::Chase ||
            x188_behaviour == EBallCameraBehaviour::FreezeLookPosition))
            cDistSpringMag = x41c_ballCameraChaseSpring.ApplyDistanceSpring(0.f, camDeltaMag, dt);

        zeus::CVector3f finalPos = posDelta * cDistSpringMag + x294_dampedPos;
        if (mgr.GetPlayer().GetMorphBall()->GetSpiderBallState() != CMorphBall::ESpiderBallState::Active &&
            !x18e_24_noElevationVelClamp && mgr.GetPlayer().GetVelocity().z > 8.f)
        {
            zeus::CVector3f delta = finalPos - oldPos;
            delta.z = zeus::clamp(-0.1f * dt, delta.z, 0.1f * dt);
            finalPos = oldPos + delta;
        }

        if (noDoor && x400_state != EBallCameraState::ToBall)
            finalPos = InterpolateCameraElevation(finalPos, dt);

        if (x18d_29_noElevationInterp)
            finalPos.z = elevation + ballPos.z;

        if (ballToCam2.magnitude() < 2.f)
        {
            if (finalPos.z < 2.f + ballPos.z)
                finalPos.z = 2.f + ballPos.z;
            x214_ballCameraSpring.Reset();
        }

        finalPos = ClampElevationToWater(finalPos, mgr);
        if (ballToCam2.magnitude() < 2.f && x3dc_tooCloseActorId != kInvalidUniqueId && x3e0_tooCloseActorDist < 5.f)
            if (TCastToConstPtr<CScriptDoor> door = mgr.GetObjectById(x3dc_tooCloseActorId))
                if (!door->x2a8_26_isOpen)
                    finalPos = GetTranslation();

        float backupZ = finalPos.z;
        finalPos = MoveCollisionActor(finalPos, dt, mgr);

        if (x18c_31_clearLOS && x478_shortMoveCount > 0)
        {
            finalPos.z = backupZ;
            finalPos = MoveCollisionActor(finalPos, dt, mgr);
        }

        zeus::CVector3f lookDir = x1d8_lookPos - finalPos;
        if (x18d_26_lookAtBall)
            lookDir = ballPos - finalPos;
        if (lookDir.canBeNormalized())
        {
            lookDir.normalize();
            UpdateTransform(lookDir, finalPos, dt, mgr);
        }

        if (x470_clampVelTimer > 0.f)
            x470_clampVelTimer -= dt;
    }
}

void CBallCamera::UpdateUsingSpindleCameras(float dt, CStateManager& mgr)
{
    if (TCastToPtr<CScriptSpindleCamera> cam = mgr.ObjectById(mgr.GetCameraManager()->GetSpindleCameraId()))
    {
        TeleportCamera(cam->GetTransform(), mgr);
        x18d_26_lookAtBall = true;
    }
}

zeus::CVector3f CBallCamera::ClampElevationToWater(zeus::CVector3f& pos, CStateManager& mgr) const
{
    zeus::CVector3f ret = pos;
    if (TCastToConstPtr<CScriptWater> water = mgr.GetObjectById(mgr.GetPlayer().GetFluidId()))
    {
        float waterZ = water->GetTriggerBoundsWR().max.z;
        if (pos.z >= waterZ && pos.z - waterZ <= 0.25f)
            ret.z = 0.25f + waterZ;
        else if (pos.z < waterZ && pos.z - waterZ >= -0.12f)
            ret.z = waterZ - 0.12f;
    }
    return ret;
}

void CBallCamera::UpdateTransitionFromBallCamera(CStateManager& mgr)
{
    float morphFactor = mgr.GetPlayer().GetMorphFactor();
    zeus::CVector3f eyePos = mgr.GetPlayer().GetEyePosition();
    zeus::CVector3f delta = mgr.GetPlayer().GetTranslation() - x47c_failsafeState->x84_playerPos;
    x47c_failsafeState->x90_splinePoints[1] += delta;
    x47c_failsafeState->x90_splinePoints[2] += delta;
    x47c_failsafeState->x90_splinePoints[3] += delta;
    zeus::CVector3f splinePoint = GetFailsafeSplinePoint(x47c_failsafeState->x90_splinePoints, morphFactor);
    splinePoint.z = (splinePoint.z - eyePos.z) * zeus::clamp(0.f, 1.f - 1.5f * morphFactor, 1.f) + eyePos.z;
    zeus::CVector3f deltaFlat = eyePos - splinePoint;
    deltaFlat.z = 0.f;
    if (deltaFlat.magnitude() > 0.001f)
    {
        SetTransform(zeus::lookAt(splinePoint, zeus::CVector3f::lerp(x1d8_lookPos, eyePos, morphFactor)));
    }
    else
    {
        SetTransform(mgr.GetCameraManager()->GetFirstPersonCamera()->GetTransform());
        SetTranslation(splinePoint);
    }
    mgr.GetCameraManager()->GetFirstPersonCamera()->Reset(x34_transform, mgr);
    x47c_failsafeState->x84_playerPos = mgr.GetPlayer().GetTranslation();
}

void CBallCamera::UpdateUsingTransitions(float dt, CStateManager& mgr)
{
    if (x400_state == EBallCameraState::FromBall)
    {
        UpdateTransitionFromBallCamera(mgr);
        return;
    }

    x18d_26_lookAtBall = false;
    zeus::CVector3f ballPos = mgr.GetPlayer().GetBallPosition();
    zeus::CVector3f eyePos = mgr.GetPlayer().GetEyePosition();
    ballPos.z += x1b4_lookAtOffset.z;

    zeus::CVector3f lookDir = x34_transform.basis[1];
    zeus::CTransform xe8 = x34_transform;

    switch (x400_state)
    {
    case EBallCameraState::ToBall:
    {
        float elevation = x1a0_elevation;
        float distance = x194_targetMinDistance;
        ConstrainElevationAndDistance(elevation, distance, dt, mgr);
        distance = x194_targetMinDistance;
        bool r28 = IsBallNearDoor(GetTranslation(), mgr) || x478_shortMoveCount > 2;
        zeus::CVector3f toDesired =
            FindDesiredPosition(distance, elevation, mgr.GetPlayer().GetMoveDir(), mgr, r28) - eyePos;
        zeus::CVector3f finalPos = toDesired * mgr.GetPlayer().GetMorphFactor() + eyePos;
        if (TCastToPtr<CPhysicsActor> act = mgr.ObjectById(x46c_collisionActorId))
        {
            act->SetTranslation(GetTranslation());
            finalPos = ClampElevationToWater(finalPos, mgr);
            finalPos = MoveCollisionActor(finalPos, dt, mgr);
            zeus::CVector3f camToLookDir = x1d8_lookPos - finalPos;
            if (camToLookDir.canBeNormalized())
            {
                camToLookDir.normalize();
                float devDot = std::fabs(zeus::clamp(-1.f, lookDir.dot(camToLookDir), 1.f));
                float devAngle = zeus::clamp(-1.f, mgr.GetPlayer().GetMorphFactor() * 0.5f, 1.f) * std::acos(devDot);
                if (devDot < 1.f)
                    SetTransform(zeus::CQuaternion::lookAt(xe8.basis[1], camToLookDir, devAngle).
                        toTransform() * xe8.getRotation());
                else
                    SetTransform(zeus::lookAt(zeus::CVector3f::skZero, camToLookDir));
            }
        }
        SetTransform(ValidateCameraTransform(x34_transform, xe8));
        SetTranslation(finalPos);
        TeleportCamera(finalPos, mgr);
        break;
    }
    case EBallCameraState::FromBall:
    {
        if (std::fabs(mgr.GetPlayer().GetMorphFactor() - 1.f) < 0.00001f)
        {
            SetTransform(mgr.GetPlayer().GetTransform());
            SetTranslation(mgr.GetPlayer().GetEyePosition());
        }
        else
        {
            float morphT = zeus::clamp(-1.f, mgr.GetPlayer().GetMorphFactor() / 0.9f, 1.f);
            zeus::CVector3f finalPos = GetTranslation();
            zeus::CVector3f eyeToCam = GetTranslation() - eyePos;
            if (eyeToCam.canBeNormalized())
            {
                float distance = eyeToCam.magnitude();
                distance = std::min(distance, (1.f - mgr.GetPlayer().GetMorphFactor()) * x190_curMinDistance);
                float yawSpeed = M_PIF;
                zeus::CVector3f playerToCamDir = GetTranslation() - mgr.GetPlayer().GetTranslation();
                zeus::CVector3f moveDir = mgr.GetPlayer().GetMoveDir();
                if (playerToCamDir.canBeNormalized())
                    playerToCamDir.normalize();
                else
                    playerToCamDir = -moveDir;
                if (moveDir.canBeNormalized())
                {
                    moveDir.normalize();
                    yawSpeed = std::fabs(std::acos(zeus::clamp(-1.f, playerToCamDir.dot(-moveDir), 1.f))) * morphT / dt;
                }
                zeus::CVector3f useLookDir = ConstrainYawAngle(mgr.GetPlayer(), yawSpeed, zeus::degToRad(10.f), dt, mgr);
                useLookDir.z = 0.f;
                useLookDir.normalize();
                zeus::CVector3f camPos = useLookDir * distance + eyePos;
                camPos.z = (GetTranslation().z - eyePos.z) * morphT + eyePos.z;
                finalPos = ClampElevationToWater(camPos, mgr);
                finalPos = MoveCollisionActor(finalPos, dt, mgr);
                zeus::CVector3f finalToBall = ballPos - finalPos;
                finalToBall.z = 0.f;
                zeus::CVector3f lookPos = ballPos;
                lookPos.z = morphT * (eyePos.z - ballPos.z) + ballPos.z;
                if (finalToBall.canBeNormalized())
                    SetTransform(zeus::lookAt(finalPos, lookPos));
                else
                    SetTransform(mgr.GetCameraManager()->GetFirstPersonCamera()->GetTransform());
            }
            else
            {
                SetTransform(mgr.GetCameraManager()->GetFirstPersonCamera()->GetTransform());
            }
            SetTranslation(finalPos);
        }
        break;
    }
    default:
        break;
    }

    mgr.GetCameraManager()->GetFirstPersonCamera()->Reset(x34_transform, mgr);
}

zeus::CTransform CBallCamera::UpdateCameraPositions(float dt, const zeus::CTransform& oldXf,
                                                    const zeus::CTransform& newXf)
{
    zeus::CTransform useXf = newXf;
    if (std::fabs(oldXf.basis[1].z) > 0.9f && std::fabs(newXf.basis[1].z) > 0.9f &&
        oldXf.basis[0].dot(newXf.basis[0]) <= 0.999f)
    {
        zeus::CVector3f newRight = zeus::CQuaternion::clampedRotateTo(oldXf.basis[0], newXf.basis[0],
                               zeus::degToRad(2.f * dt)).toTransform() * oldXf.basis[0];
        if (newRight.dot(newXf.basis[1]) <= 0.999f)
        {
            zeus::CVector3f newUp = newXf.basis[1].cross(newRight).normalized();
            zeus::CVector3f newForward = newXf.basis[1].normalized();
            useXf = {newUp.cross(newForward), newXf.basis[1], newUp, newXf.origin};
        }
    }
    return useXf;
}

zeus::CVector3f CBallCamera::GetFailsafeSplinePoint(const std::vector<zeus::CVector3f>& points, float t)
{
    t *= (points.size() - 3);
    int baseIdx = 0;
    while (t > 1.f)
    {
        t -= 1.f;
        baseIdx += 1;
    }
    return zeus::getBezierPoint(points[baseIdx], points[baseIdx+1], points[baseIdx+2], points[baseIdx+3], t);
}

bool CBallCamera::CheckFailsafeFromMorphBallState(CStateManager& mgr) const
{
    TUniqueId xbb8 = kInvalidUniqueId;
    float curT = 0.f;
    rstl::reserved_vector<TUniqueId, 1024> nearList;
    rstl::reserved_vector<CRayCastResult, 6> resultsA;
    rstl::reserved_vector<CRayCastResult, 6> resultsB;
    while (curT < 6.f)
    {
        zeus::CVector3f pointA = GetFailsafeSplinePoint(x47c_failsafeState->x90_splinePoints, curT / 6.f);
        zeus::CVector3f pointB = GetFailsafeSplinePoint(x47c_failsafeState->x90_splinePoints, (1.f + curT) / 6.f);
        zeus::CVector3f pointDelta = pointB - pointA;
        if (pointDelta.magnitude() > 0.1f)
        {
            resultsA.push_back(
                mgr.RayWorldIntersection(xbb8, pointA, pointDelta.normalized(), pointDelta.magnitude(),
                                         BallCameraFilter, nearList));
            resultsB.push_back(
                mgr.RayWorldIntersection(xbb8, pointB, -pointDelta.normalized(), pointDelta.magnitude(),
                                         BallCameraFilter, nearList));
        }
        else
        {
            resultsA.push_back({});
            resultsB.push_back({});
        }
        curT += 1.f;
    }
    for (int i=0 ; i<resultsA.size() ; ++i)
    {
        const CRayCastResult& resA = resultsA[i];
        const CRayCastResult& resB = resultsB[i];
        if (resA.IsValid())
        {
            zeus::CVector3f separation = resA.GetPoint() - resB.GetPoint();
            if (separation.magnitude() < 0.00001f)
                separation = GetFailsafeSplinePoint(x47c_failsafeState->x90_splinePoints,
                                                    (1.f + i) / 6.f) - resA.GetPoint();
            if (separation.magnitude() > 0.3f)
                return false;
        }
    }
    return true;
}

bool CBallCamera::SplineIntersectTest(CMaterialList& intersectMat, CStateManager& mgr) const
{
    rstl::reserved_vector<TUniqueId, 1024> nearList;
    TUniqueId xe38 = kInvalidUniqueId;
    rstl::reserved_vector<CRayCastResult, 12> xacc;
    rstl::reserved_vector<CRayCastResult, 12> xd10;
    CMaterialFilter filter = CMaterialFilter::MakeIncludeExclude({EMaterialTypes::Solid,
                                                                  EMaterialTypes::Floor,
                                                                  EMaterialTypes::Wall},
                                                                 {EMaterialTypes::ProjectilePassthrough,
                                                                  EMaterialTypes::Player,
                                                                  EMaterialTypes::Character,
                                                                  EMaterialTypes::CameraPassthrough});
    float curT = 0.f;
    while (curT < 12.f)
    {
        zeus::CVector3f xdb0 = x37c_camSpline.GetInterpolatedSplinePointByTime(curT, 12.f);
        zeus::CVector3f xdbc = x37c_camSpline.GetInterpolatedSplinePointByTime(curT, 12.f);
        zeus::CVector3f xdc8 = xdbc - xdb0;
        if (xdc8.magnitude() > 0.1f)
        {
            xacc.push_back(
                mgr.RayWorldIntersection(xe38, xdb0, xdc8.normalized(), xdc8.magnitude(), filter, nearList));
            xd10.push_back(
                mgr.RayWorldIntersection(xe38, xdbc, -xdc8.normalized(), xdc8.magnitude(), filter, nearList));
        }
        else
        {
            xacc.push_back({});
            xd10.push_back({});
        }
        curT += 1.f;
    }
    for (int i=0 ; i<xacc.size() ; ++i)
    {
        const CRayCastResult& resA = xacc[i];
        const CRayCastResult& resB = xd10[i];
        if (resA.IsValid())
        {
            zeus::CVector3f xdd4 = resA.GetPoint() - resB.GetPoint();
            if (xdd4.magnitude() < 0.00001f)
                xdd4 = x37c_camSpline.GetInterpolatedSplinePointByTime(1.f + i, 12.f) - resA.GetPoint();
            if (xdd4.magnitude() > 0.3f)
            {
                intersectMat = resA.GetMaterial();
                return false;
            }
        }
    }
    return true;
}

bool CBallCamera::IsBallNearDoor(const zeus::CVector3f& pos, CStateManager& mgr)
{
    TCastToConstPtr<CScriptDoor> door =
        mgr.GetObjectById(mgr.GetCameraManager()->GetBallCamera()->x3dc_tooCloseActorId);
    if (!door || door->x2a8_26_isOpen)
        return false;

    auto tb = door->GetTouchBounds();
    zeus::CAABox testAABB(pos - 0.3f, pos + 0.3f);
    if (!tb || !tb->intersects(testAABB))
        return false;

    if (TCastToConstPtr<CScriptDock> dock = mgr.GetObjectById(door->x282_dockId))
        if (std::fabs(dock->GetPlane(mgr).pointToPlaneDist(pos)) < 1.15f)
            return true;

    return false;
}

void CBallCamera::ActivateFailsafe(float dt, CStateManager& mgr)
{
    float elevation = x1a0_elevation;
    float distance = x194_targetMinDistance;
    ConstrainElevationAndDistance(elevation, distance, dt, mgr);
    zeus::CVector3f desiredPos = FindDesiredPosition(distance, elevation, mgr.GetPlayer().GetMoveDir(), mgr, true);
    SetTranslation(desiredPos);
    ResetPosition(mgr);
    TeleportCamera(zeus::lookAt(desiredPos, x1d8_lookPos), mgr);
    mgr.GetCameraManager()->SetPlayerCamera(mgr, GetUniqueId());
    x3e4_pendingFailsafe = false;
    x34c_obscuredTime = 0.f;
}

bool CBallCamera::ConstrainElevationAndDistance(float& elevation, float& distance, float dt, CStateManager& mgr)
{
    zeus::CVector3f ballToCam = GetTranslation() - mgr.GetPlayer().GetBallPosition();
    float ballToCamMag = 0.f;
    if (ballToCam.canBeNormalized())
        ballToCamMag = ballToCam.toVec2f().magnitude();
    else
        ballToCam = -mgr.GetPlayer().GetMoveDir();

    bool doorClose = false;
    float stretchFac = 1.f;
    float newDistance = distance;
    float baseElevation = elevation;
    float springSpeed = 1.f;
    if (TCastToConstPtr<CScriptDoor> door = mgr.GetObjectById(x3dc_tooCloseActorId))
    {
        if (!door->x2a8_29_ballDoor)
        {
            stretchFac = zeus::clamp(-1.f, std::fabs(x3e0_tooCloseActorDist / (3.f * distance)), 1.f);
            if (x3e0_tooCloseActorDist < 3.f * distance)
                doorClose = true;
            if (door->x2a8_26_isOpen)
                newDistance = stretchFac * (distance - x468_conservativeDoorCamDistance) +
                    x468_conservativeDoorCamDistance;
            else
                newDistance = stretchFac * (distance - 5.f) + 5.f;
            if (x18d_28_obtuseDirection)
                newDistance *= 1.f + x308_speedFactor;
            baseElevation = door->x2a8_26_isOpen ? 0.75f : 1.5f;
            springSpeed = 4.f;
        }
    }

    x214_ballCameraSpring.ApplyDistanceSpring(newDistance, ballToCamMag, dt * springSpeed);
    distance = newDistance;
    elevation = (elevation - baseElevation) * stretchFac + baseElevation;

    return doorClose;
}

zeus::CVector3f CBallCamera::FindDesiredPosition(float distance, float elevation,
                                                 const zeus::CVector3f& dir, CStateManager& mgr, bool fullTest)
{
    TCastToConstPtr<CPlayer> player = mgr.GetObjectById(xe8_watchedObject);
    if (!player)
        return {};

    zeus::CVector3f useDir = dir;
    if (!dir.canBeNormalized())
        useDir = zeus::CVector3f::skForward;

    zeus::CTransform lookDirXf = zeus::lookAt(zeus::CVector3f::skZero, useDir);
    zeus::CVector3f ballPos = player->GetBallPosition();
    float elev = elevation;
    float dist = distance;
    ConstrainElevationAndDistance(elev, dist, 0.f, mgr);
    zeus::CVector3f eyePos = player->GetEyePosition();
    if (!mgr.RayCollideWorld(ballPos, eyePos, BallCameraFilter, nullptr))
        eyePos = ballPos;

    zeus::CVector3f idealLookVec(0.f, -dist, elev - (eyePos.z - ballPos.z));
    idealLookVec = lookDirXf.getRotation() * idealLookVec;
    zeus::CVector3f lookVec(0.f, distance, elev - (eyePos.z - ballPos.z));
    float idealLookDist = idealLookVec.magnitude();
    float resolveLOSIntervalAng = zeus::degToRad(30.f);
    bool foundClear = false;
    bool clear = !DetectCollision(eyePos, eyePos + idealLookVec, 0.3f, idealLookDist, mgr);
    if (!clear && idealLookDist <= 0.f)
    {
        zeus::CAABox x13ac(ballPos - distance, ballPos + distance);
        x13ac.min.z = ballPos.z;
        x13ac.max.z = elev + ballPos.z;
        rstl::reserved_vector<TUniqueId, 1024> nearList;
        mgr.BuildNearList(nearList, x13ac, BallCameraFilter,
                          TCastToConstPtr<CActor>(mgr.GetObjectById(x46c_collisionActorId)).GetPtr());
        zeus::CQuaternion rotNeg;
        rotNeg.rotateZ(-resolveLOSIntervalAng);
        zeus::CTransform xfNeg = rotNeg.toTransform();
        zeus::CQuaternion rotPos;
        rotPos.rotateZ(resolveLOSIntervalAng);
        zeus::CTransform xfPos = rotPos.toTransform();
        while (!foundClear && idealLookDist > dist)
        {
            idealLookVec.normalize();
            idealLookVec = idealLookVec * idealLookDist;
            zeus::CVector3f lookVecNeg = xfNeg.rotate(idealLookVec);
            zeus::CVector3f lookVecPos = xfPos.rotate(idealLookVec);
            for (int i=0 ; float(i) < 180.f / zeus::radToDeg(resolveLOSIntervalAng) ; ++i)
            {
                if (mgr.RayCollideWorld(eyePos, eyePos + lookVecNeg, nearList, BallCameraFilter, nullptr))
                {
                    foundClear = true;
                    lookVec = lookVecNeg;
                    break;
                }
                else if (mgr.RayCollideWorld(eyePos, eyePos + lookVecPos, nearList, BallCameraFilter, nullptr))
                {
                    foundClear = true;
                    lookVec = lookVecPos;
                    break;
                }
                else
                {
                    lookVecNeg = xfNeg * lookVecNeg;
                    lookVecPos = xfPos * lookVecPos;
                }
            }
            idealLookDist -= 0.3f;
        }
    }
    else
    {
        if (idealLookDist < 2.f)
        {
            idealLookVec.normalize();
            idealLookVec = idealLookVec * 2.f;
        }
        zeus::CQuaternion rotNeg;
        rotNeg.rotateZ(-resolveLOSIntervalAng);
        zeus::CTransform xfNeg = rotNeg.toTransform();
        zeus::CVector3f lookVecNeg = xfNeg * idealLookVec;
        zeus::CQuaternion rotPos;
        rotPos.rotateZ(resolveLOSIntervalAng);
        zeus::CTransform xfPos = rotPos.toTransform();
        zeus::CVector3f lookVecPos = xfPos * idealLookVec;
        if (clear || (!fullTest && (idealLookDist > 2.f || x2e8_ballVelFlat > 1.25f)))
        {
            idealLookVec.normalize();
            lookVec = idealLookVec * idealLookDist;
            foundClear = true;
        }
        else
        {
            for (int i=0 ; float(i) < 180.f / zeus::radToDeg(resolveLOSIntervalAng) ; ++i)
            {
                idealLookDist = lookVecNeg.magnitude();
                if (!DetectCollision(eyePos, eyePos + lookVecNeg, 0.3f, idealLookDist, mgr) || idealLookDist > 2.f)
                {
                    lookVecNeg.normalize();
                    lookVec = lookVecNeg * idealLookDist;
                    foundClear = true;
                    break;
                }
                idealLookDist = lookVecPos.magnitude();
                if (!DetectCollision(eyePos, eyePos + lookVecPos, 0.3f, idealLookDist, mgr) || idealLookDist > 2.f)
                {
                    lookVecPos.normalize();
                    lookVec = lookVecPos * idealLookDist;
                    foundClear = true;
                    break;
                }
                lookVecNeg = xfNeg * lookVecNeg;
                lookVecPos = xfPos * lookVecPos;
            }
            if (!foundClear)
            {
                zeus::CAABox findBounds(ballPos - distance, ballPos + distance);
                findBounds.min.z = ballPos.z;
                findBounds.max.z = elev + ballPos.z;
                rstl::reserved_vector<TUniqueId, 1024> nearList;
                mgr.BuildNearList(nearList, findBounds, BallCameraFilter,
                                  TCastToConstPtr<CActor>(mgr.GetObjectById(x46c_collisionActorId)).GetPtr());
                zeus::CQuaternion rotNeg2;
                rotNeg2.rotateZ(-resolveLOSIntervalAng);
                zeus::CTransform xfNeg2 = rotNeg2.toTransform();
                zeus::CQuaternion rotPos2;
                rotPos2.rotateZ(resolveLOSIntervalAng);
                zeus::CTransform xfPos2 = rotPos2.toTransform();
                while (!foundClear && idealLookDist > dist)
                {
                    idealLookVec.normalize();
                    idealLookVec = idealLookVec * idealLookDist;
                    zeus::CVector3f lookVecNeg2 = xfNeg2.rotate(idealLookVec);
                    zeus::CVector3f lookVecPos2 = xfPos2.rotate(idealLookVec);
                    for (int i=0 ; float(i) < 180.f / zeus::radToDeg(resolveLOSIntervalAng) ; ++i)
                    {
                        if (mgr.RayCollideWorld(eyePos, eyePos + lookVecNeg2, nearList, BallCameraFilter, nullptr))
                        {
                            foundClear = true;
                            lookVec = lookVecNeg2;
                            break;
                        }
                        else if (mgr.RayCollideWorld(eyePos, eyePos + lookVecPos2, nearList, BallCameraFilter, nullptr))
                        {
                            foundClear = true;
                            lookVec = lookVecPos2;
                            break;
                        }
                        else
                        {
                            lookVecNeg2 = xfNeg2 * lookVecNeg2;
                            lookVecPos2 = xfPos2 * lookVecPos2;
                        }
                    }
                    idealLookDist -= 0.3f;
                }
            }
        }
    }

    if (!foundClear)
        return GetTranslation();
    else
        return eyePos + lookVec;
}

bool CBallCamera::DetectCollision(const zeus::CVector3f& from, const zeus::CVector3f& to, float radius,
                                  float& d, CStateManager& mgr)
{
    zeus::CVector3f delta = to - from;
    float deltaMag = delta.magnitude();
    zeus::CVector3f deltaNorm = delta * (1.f / deltaMag);
    float clear = true;
    if (deltaMag > 0.000001f)
    {
        float margin = 2.f * radius;
        zeus::CAABox aabb;
        aabb.accumulateBounds(from);
        aabb.accumulateBounds(to);
        aabb = zeus::CAABox(aabb.min - margin, aabb.max + margin);
        rstl::reserved_vector<TUniqueId, 1024> nearList;
        mgr.BuildColliderList(nearList, mgr.GetPlayer(), aabb);
        CAreaCollisionCache cache(aabb);
        CGameCollision::BuildAreaCollisionCache(mgr, cache);
        if (cache.HasCacheOverflowed())
            clear = false;
        CCollidableSphere cSphere({zeus::CVector3f::skZero, radius}, {EMaterialTypes::Solid});
        if (CGameCollision::DetectCollisionBoolean_Cached(mgr, cache, cSphere, zeus::CTransform::Translate(from),
            CMaterialFilter::MakeIncludeExclude({EMaterialTypes::Solid},
                                                {EMaterialTypes::ProjectilePassthrough,
                                                 EMaterialTypes::Player,
                                                 EMaterialTypes::Character,
                                                 EMaterialTypes::CameraPassthrough}), nearList))
        {
            d = -1.f;
            return true;
        }
        if (clear)
        {
            TUniqueId intersectId = kInvalidUniqueId;
            CCollisionInfo info;
            double dTmp = deltaMag;
            if (CGameCollision::DetectCollision_Cached_Moving(mgr, cache, cSphere, zeus::CTransform::Translate(from),
                CMaterialFilter::MakeIncludeExclude({EMaterialTypes::Solid},
                                                    {EMaterialTypes::ProjectilePassthrough,
                                                     EMaterialTypes::Player,
                                                     EMaterialTypes::Character,
                                                     EMaterialTypes::CameraPassthrough}),
                                                    nearList, deltaNorm, intersectId, info, dTmp))
            {
                d = float(dTmp);
                clear = false;
            }
        }
    }
    return !clear;
}

void CBallCamera::Think(float dt, CStateManager& mgr)
{
    mgr.SetActorAreaId(*this, mgr.GetNextAreaId());
    UpdatePlayerMovement(dt, mgr);
    TCastToPtr<CCollisionActor> colAct = mgr.ObjectById(x46c_collisionActorId);
    if (colAct)
        mgr.SetActorAreaId(*colAct, mgr.GetNextAreaId());

    switch (mgr.GetPlayer().GetCameraState())
    {
    default:
        if (!x18d_27_forceProcessing)
        {
            if (colAct)
                colAct->SetActive(false);
            return;
        }
    case CPlayer::EPlayerCameraState::Ball:
    case CPlayer::EPlayerCameraState::Transitioning:
    case CPlayer::EPlayerCameraState::Two:
    {
        if (colAct)
            colAct->SetActive(true);
        zeus::CTransform oldXf = x34_transform;
        if (mgr.GetPlayer().GetBombJumpCount() != 1)
            UpdateLookAtPosition(dt, mgr);
        CheckFailsafe(dt, mgr);
        UpdateObjectTooCloseId(mgr);
        UpdateAnglePerSecond(dt);
        switch (x400_state)
        {
        case EBallCameraState::Default:
        case EBallCameraState::Chase:
        case EBallCameraState::Boost:
            switch (x188_behaviour)
            {
            case EBallCameraBehaviour::PathCamera:
                UpdateUsingPathCameras(dt, mgr);
                break;
            case EBallCameraBehaviour::HintFixedPosition:
            case EBallCameraBehaviour::HintFixedTransform:
                UpdateUsingFixedCameras(dt, mgr);
                break;
            case EBallCameraBehaviour::PathCameraDesiredPos:
            case EBallCameraBehaviour::Default:
            case EBallCameraBehaviour::FreezeLookPosition:
            case EBallCameraBehaviour::HintBallToCam:
                if (x36c_splineState != ESplineState::Invalid)
                    UpdateUsingFreeLook(dt, mgr);
                else
                    UpdateUsingColliders(dt, mgr);
                break;
            case EBallCameraBehaviour::SpindleCamera:
                UpdateUsingSpindleCameras(dt, mgr);
                break;
            default:
                break;
            }
            break;
        case EBallCameraState::ToBall:
        case EBallCameraState::FromBall:
            UpdateUsingTransitions(dt, mgr);
            break;
        default:
            break;
        }

        SetTransform(ValidateCameraTransform(UpdateCameraPositions(dt, oldXf, x34_transform), oldXf));
        break;
    }
    }
}

bool CBallCamera::CheckTransitionLineOfSight(const zeus::CVector3f& eyePos, const zeus::CVector3f& behindPos,
                                             float& eyeToOccDist, float colRadius, CStateManager& mgr)
{
    zeus::CVector3f eyeToBehind = behindPos - eyePos;
    float eyeToBehindMag = eyeToBehind.magnitude();
    zeus::CVector3f eyeToBehindNorm = eyeToBehind * (1.f / eyeToBehindMag);
    bool clear = true;
    if (eyeToBehindMag > 0.000001f)
    {
        float margin = 2.f * colRadius;
        zeus::CAABox aabb;
        aabb.accumulateBounds(eyePos);
        aabb.accumulateBounds(behindPos);
        aabb = zeus::CAABox(aabb.min - margin, aabb.max + margin);
        rstl::reserved_vector<TUniqueId, 1024> nearList;
        mgr.BuildColliderList(nearList, mgr.GetPlayer(), aabb);
        CAreaCollisionCache cache(aabb);
        CGameCollision::BuildAreaCollisionCache(mgr, cache);
        if (cache.HasCacheOverflowed())
            clear = false;
        if (clear)
        {
            CCollisionInfo cinfo;
            double d = eyeToBehindMag;
            TUniqueId intersectId = kInvalidUniqueId;
            CCollidableSphere cSphere({zeus::CVector3f::skZero, colRadius}, {EMaterialTypes::Solid});
            if (CGameCollision::DetectCollision_Cached_Moving(mgr, cache, cSphere, zeus::CTransform::Translate(eyePos),
                                                              CMaterialFilter::MakeIncludeExclude(
                                                                  {EMaterialTypes::Solid},
                                                                  {EMaterialTypes::ProjectilePassthrough,
                                                                   EMaterialTypes::Player,
                                                                   EMaterialTypes::Character,
                                                                   EMaterialTypes::CameraPassthrough}),
                                                              nearList, eyeToBehindNorm, intersectId, cinfo, d))
            {
                eyeToOccDist = float(d);
                clear = false;
            }
        }
    }
    return !clear;
}

bool CBallCamera::TransitionFromMorphBallState(CStateManager& mgr)
{
    x47c_failsafeState->x0_playerXf = mgr.GetPlayer().GetTransform();
    x47c_failsafeState->x30_camXf = GetTransform();
    x47c_failsafeState->x60_lookPos = x1d8_lookPos;
    x47c_failsafeState->x84_playerPos = x47c_failsafeState->x0_playerXf.origin;
    zeus::CVector3f eyePos = mgr.GetPlayer().GetEyePosition();
    float lookDist = (x47c_failsafeState->x60_lookPos - x47c_failsafeState->x30_camXf.origin).magnitude();
    zeus::CVector3f behindPos = x47c_failsafeState->x0_playerXf.basis[1] * (0.6f * -lookDist) + eyePos;
    float eyeToOccDist;
    if (CheckTransitionLineOfSight(eyePos, behindPos, eyeToOccDist, 0.6f, mgr))
        x47c_failsafeState->x6c_behindPos = x47c_failsafeState->x0_playerXf.basis[1] * -eyeToOccDist + eyePos;
    else
        x47c_failsafeState->x6c_behindPos = behindPos;
    x47c_failsafeState->x90_splinePoints.clear();
    x47c_failsafeState->x90_splinePoints.reserve(4);
    x47c_failsafeState->x90_splinePoints.push_back(x47c_failsafeState->x30_camXf.origin);
    x47c_failsafeState->x90_splinePoints.push_back(x47c_failsafeState->x6c_behindPos);
    x47c_failsafeState->x90_splinePoints.push_back(x47c_failsafeState->x6c_behindPos);
    x47c_failsafeState->x90_splinePoints.push_back(eyePos);
    return CheckFailsafeFromMorphBallState(mgr);
}

void CBallCamera::TeleportColliders(std::vector<CCameraCollider>& colliderList, const zeus::CVector3f& pos)
{
    for (CCameraCollider& collider : colliderList)
    {
        collider.x2c_lastWorldPos = pos;
        collider.x14_localPos = pos;
        collider.x20_scaledWorldPos = pos;
    }
}

void CBallCamera::TeleportCamera(const zeus::CVector3f& pos, CStateManager& mgr)
{
    x294_dampedPos = pos;
    TeleportColliders(x264_smallColliders, pos);
    TeleportColliders(x274_mediumColliders, pos);
    TeleportColliders(x284_largeColliders, pos);
    if (TCastToPtr<CCollisionActor> act = mgr.ObjectById(x46c_collisionActorId))
        act->SetTranslation(pos);
}

void CBallCamera::TeleportCamera(const zeus::CTransform& xf, CStateManager& mgr)
{
    SetTransform(xf);
    TeleportCamera(xf.origin, mgr);
}

void CBallCamera::ResetToTweaks(CStateManager& mgr)
{
    x188_behaviour = EBallCameraBehaviour::Default;
    x18c_25_chaseAllowed = true;
    x18c_26_boostAllowed = true;
    x18c_27_obscureAvoidance = true;
    x18c_28_volumeCollider = true;
    x18c_29_clampAttitude = false;
    x18c_30_clampAzimuth = false;
    x194_targetMinDistance = g_tweakBall->GetBallCameraMinSpeedDistance();
    x198_maxDistance = g_tweakBall->GetBallCameraMaxSpeedDistance();
    x19c_backwardsDistance = g_tweakBall->GetBallCameraBackwardsDistance();
    x214_ballCameraSpring = CCameraSpring(g_tweakBall->GetBallCameraSpringConstant(),
                                          g_tweakBall->GetBallCameraSpringMax(),
                                          g_tweakBall->GetBallCameraSpringTardis());
    x250_ballCameraCentroidDistanceSpring = CCameraSpring(g_tweakBall->GetBallCameraCentroidDistanceSpringConstant(),
                                                          g_tweakBall->GetBallCameraCentroidDistanceSpringMax(),
                                                          g_tweakBall->GetBallCameraCentroidDistanceSpringTardis());
    x1b4_lookAtOffset = g_tweakBall->GetBallCameraOffset();
    x410_chaseLookAtOffset = g_tweakBall->GetBallCameraChaseLookAtOffset();
    x1a0_elevation = g_tweakBall->GetBallCameraElevation();
    x1ac_attitudeRange = M_PIF / 2.f;
    x1b0_azimuthRange = M_PIF / 2.f;
    SetFovInterpolation(x15c_currentFov, CCameraManager::ThirdPersonFOV(), 1.f, 0.f);
    x1a8_targetAnglePerSecond = g_tweakBall->GetBallCameraAnglePerSecond();
    x18d_29_noElevationInterp = false;
    x18d_30_directElevation = false;
    x18d_31_overrideLookDir = false;
    x18e_24_noElevationVelClamp = false;
    x18e_25_noSpline = false;
    x18e_26_ = false;
}

void CBallCamera::UpdateLookAtPosition(float dt, CStateManager& mgr)
{
    if (TCastToConstPtr<CPlayer> player = mgr.GetObjectById(xe8_watchedObject))
    {
        zeus::CVector3f ballPos = player->GetBallPosition();
        if (player->IsMorphBallTransitioning())
        {
            x1d8_lookPos = ballPos;
            x1d8_lookPos.z += x1b4_lookAtOffset.z;
            x1c0_lookPosAhead = x1d8_lookPos;
            x1cc_fixedLookPos = x1d8_lookPos;
        }
        else
        {
            zeus::CVector3f dirNorm = player->GetMoveDir();
            dirNorm.normalize();
            zeus::CVector3f lookAtOffsetAhead(x308_speedFactor * x1b4_lookAtOffset.x,
                                              x308_speedFactor * x1b4_lookAtOffset.y,
                                              x1b4_lookAtOffset.z);
            if (x18c_25_chaseAllowed && (x400_state == EBallCameraState::Chase || x400_state == EBallCameraState::One))
                lookAtOffsetAhead = zeus::CVector3f(x308_speedFactor * x410_chaseLookAtOffset.x,
                                                    x308_speedFactor * x410_chaseLookAtOffset.y,
                                                    x410_chaseLookAtOffset.z);
            if (mgr.GetCameraManager()->IsInterpolationCameraActive())
                lookAtOffsetAhead = zeus::CVector3f(0.f, 0.f, x1b4_lookAtOffset.z);
            zeus::CTransform moveXf = player->CreateTransformFromMovementDirection().getRotation();
            if (x2fc_ballDeltaFlat.canBeNormalized())
                lookAtOffsetAhead = moveXf * lookAtOffsetAhead;
            zeus::CVector3f lookAtPosAhead = ballPos + lookAtOffsetAhead;
            x1c0_lookPosAhead = lookAtPosAhead;
            x1cc_fixedLookPos = ballPos + zeus::CVector3f(0.f, 0.f, lookAtOffsetAhead.z);
            zeus::CVector3f aheadToCurrentLookDelta = x1d8_lookPos - lookAtPosAhead;
            float aheadToCurrentLookMag = aheadToCurrentLookDelta.magnitude();
            if (aheadToCurrentLookDelta.canBeNormalized())
                aheadToCurrentLookDelta.normalize();
            float lookAtSpringMag = x23c_ballCameraLookAtSpring.ApplyDistanceSpringNoMax(0.f, aheadToCurrentLookMag,
                (2.f * zeus::clamp(0.f, x30c_speedingTime / 3.f, 1.f) + 1.f) * dt);
            if (lookAtSpringMag > 0.0001f)
                lookAtPosAhead += aheadToCurrentLookDelta * lookAtSpringMag;
            aheadToCurrentLookDelta = lookAtPosAhead - x1d8_lookPos;
            if (x18d_26_lookAtBall)
            {
                x1d8_lookPos = ballPos;
                x1d8_lookPos.z += x1b4_lookAtOffset.z;
            }
            else
            {
                x1d8_lookPos = lookAtPosAhead;
            }
            switch (x188_behaviour)
            {
            case EBallCameraBehaviour::Default:
            case EBallCameraBehaviour::FreezeLookPosition:
            case EBallCameraBehaviour::HintBallToCam:
            case EBallCameraBehaviour::HintInitializePosition:
            case EBallCameraBehaviour::PathCameraDesiredPos:
            case EBallCameraBehaviour::PathCamera:
                if (mgr.GetCameraManager()->IsInterpolationCameraActive())
                {
                    x1d8_lookPos = x1c0_lookPosAhead;
                    x1cc_fixedLookPos = x1c0_lookPosAhead;
                }
                break;
            case EBallCameraBehaviour::HintFixedPosition:
                x1d8_lookPos = x1cc_fixedLookPos;
                x1c0_lookPosAhead = x1d8_lookPos;
                break;
            case EBallCameraBehaviour::HintFixedTransform:
            case EBallCameraBehaviour::SpindleCamera:
                x1d8_lookPos = x1cc_fixedLookPos;
                x1c0_lookPosAhead = x1cc_fixedLookPos;
                break;
            }
            if (x18d_30_directElevation)
            {
                x1d8_lookPos.z = ballPos.z + x1b4_lookAtOffset.z;
                x1c0_lookPosAhead.z = x1d8_lookPos.z;
                x1cc_fixedLookPos.z = x1d8_lookPos.z;
            }
            if (x18d_31_overrideLookDir)
            {
                if (const CScriptCameraHint* hint = mgr.GetCameraManager()->GetCameraHint(mgr))
                {
                    x1d8_lookPos = hint->GetTransform().basis[1] * 10.f + GetTranslation();
                    x1c0_lookPosAhead = x1d8_lookPos;
                    x1cc_fixedLookPos = x1d8_lookPos;
                }
            }
        }
    }
}

zeus::CTransform CBallCamera::UpdateLookDirection(const zeus::CVector3f& dir, CStateManager& mgr)
{
    zeus::CVector3f useDir = dir;
    if (!dir.canBeNormalized())
        useDir = zeus::CVector3f::skForward;
    float elevation = x1a0_elevation;
    float distance = x190_curMinDistance;
    ConstrainElevationAndDistance(elevation, distance, 0.f, mgr);
    zeus::CVector3f pos = FindDesiredPosition(distance, elevation, useDir, mgr, false);
    UpdateLookAtPosition(0.f, mgr);
    return zeus::lookAt(pos, x1d8_lookPos);
}

void CBallCamera::ApplyCameraHint(CStateManager& mgr)
{
    if (const CScriptCameraHint* hint = mgr.GetCameraManager()->GetCameraHint(mgr))
    {
        ResetToTweaks(mgr);
        x188_behaviour = hint->GetHint().GetBehaviourType();
        x18c_25_chaseAllowed = (hint->GetHint().GetOverrideFlags() & 0x2) != 0;
        x18c_26_boostAllowed = (hint->GetHint().GetOverrideFlags() & 0x4) != 0;
        x18c_27_obscureAvoidance = (hint->GetHint().GetOverrideFlags() & 0x8) != 0;
        x18c_28_volumeCollider = (hint->GetHint().GetOverrideFlags() & 0x10) != 0;
        if ((hint->GetHint().GetOverrideFlags() & 0x40) != 0)
            x18d_26_lookAtBall = true;
        x18d_29_noElevationInterp = (hint->GetHint().GetOverrideFlags() & 0x4000) != 0;
        x18d_30_directElevation = (hint->GetHint().GetOverrideFlags() & 0x8000) != 0;
        x18d_31_overrideLookDir = (hint->GetHint().GetOverrideFlags() & 0x10000) != 0;
        x18e_24_noElevationVelClamp = (hint->GetHint().GetOverrideFlags() & 0x20000) != 0;
        x18e_25_noSpline = x18e_26_ = (hint->GetHint().GetOverrideFlags() & 0x80000) != 0;
        if ((hint->GetHint().GetOverrideFlags() & 0x400000) != 0)
            x194_targetMinDistance = hint->GetHint().GetMinDist();
        if ((hint->GetHint().GetOverrideFlags() & 0x800000) != 0)
            x198_maxDistance = hint->GetHint().GetMaxDist();
        if ((hint->GetHint().GetOverrideFlags() & 0x1000000) != 0)
            x19c_backwardsDistance = hint->GetHint().GetBackwardsDist();
        if ((hint->GetHint().GetOverrideFlags() & 0x80000000) != 0)
            x1a0_elevation = hint->GetHint().GetElevation();
        if ((hint->GetHint().GetOverrideFlags() & 0x2000000) != 0)
            x1b4_lookAtOffset = hint->GetHint().GetLookAtOffset();
        if ((hint->GetHint().GetOverrideFlags() & 0x4000000) != 0)
            x410_chaseLookAtOffset = hint->GetHint().GetChaseLookAtOffset();
        if ((hint->GetHint().GetOverrideFlags() & 0x10000000) != 0)
        {
            x18c_29_clampAttitude = true;
            x1ac_attitudeRange = hint->GetHint().GetAttitudeRange();
        }
        else
        {
            x18c_29_clampAttitude = false;
        }
        if ((hint->GetHint().GetOverrideFlags() & 0x20000000) != 0)
        {
            x18c_30_clampAzimuth = true;
            x1b0_azimuthRange = hint->GetHint().GetAzimuthRange();
        }
        else
        {
            x18c_30_clampAzimuth = false;
        }
        if ((hint->GetHint().GetOverrideFlags() & 0x8000000) != 0)
            SetFovInterpolation(x15c_currentFov, hint->GetHint().GetFov(), 1.f, 0.f);
        if ((hint->GetHint().GetOverrideFlags() & 0x40000000) != 0)
            x1a8_targetAnglePerSecond = hint->GetHint().GetAnglePerSecond();
        if ((hint->GetHint().GetOverrideFlags() & 0x200) != 0)
            mgr.GetPlayer().SetControlDirectionInterpolation(hint->GetHint().GetControlInterpDur());
        else
            mgr.GetPlayer().ResetControlDirectionInterpolation();
        switch (hint->GetHint().GetBehaviourType())
        {
        case EBallCameraBehaviour::HintBallToCam:
        {
            x45c_overrideBallToCam = hint->GetHint().GetBallToCam();
            ResetPosition(mgr);
            zeus::CVector3f camPos = mgr.GetPlayer().GetBallPosition() + hint->GetHint().GetBallToCam();
            if ((hint->GetHint().GetOverrideFlags() & 0x1) != 0)
            {
                float distance = hint->GetHint().GetBallToCam().toVec2f().magnitude();
                zeus::CVector3f camToBall = -zeus::CVector3f(hint->GetHint().GetBallToCam().toVec2f()).normalized();
                camPos = FindDesiredPosition(distance, hint->GetHint().GetBallToCam().z, camToBall, mgr, false);
            }
            TeleportCamera(zeus::lookAt(camPos, x1d8_lookPos), mgr);
            break;
        }
        case EBallCameraBehaviour::HintFixedTransform:
        {
            ResetPosition(mgr);
            TeleportCamera(hint->GetTransform(), mgr);
            break;
        }
        case EBallCameraBehaviour::Default:
        {
            if ((hint->GetHint().GetOverrideFlags() & 0x20) != 0)
            {
                ResetPosition(mgr);
                if ((hint->GetHint().GetOverrideFlags() & 0x40000) != 0)
                {
                    zeus::CVector3f lookDir = mgr.GetPlayer().GetTranslation() -
                        mgr.GetCameraManager()->GetCurrentCameraTransform(mgr).origin;
                    lookDir.z = 0.f;
                    if (lookDir.canBeNormalized())
                        lookDir.normalize();
                    else
                        lookDir = mgr.GetPlayer().GetMoveDir();
                    TeleportCamera(UpdateLookDirection(lookDir, mgr), mgr);
                }
                else
                {
                    TeleportCamera(zeus::lookAt(hint->GetTranslation(), x1d8_lookPos), mgr);
                }
            }
            break;
        }
        case EBallCameraBehaviour::HintFixedPosition:
        {
            ResetPosition(mgr);
            TeleportCamera(zeus::lookAt(hint->GetTranslation(), x1d8_lookPos), mgr);
            break;
        }
        case EBallCameraBehaviour::FreezeLookPosition:
        case EBallCameraBehaviour::HintInitializePosition:
        {
            if ((hint->GetHint().GetOverrideFlags() & 0x20) != 0)
            {
                ResetPosition(mgr);
                float elevation = x1a0_elevation;
                float distance = x190_curMinDistance;
                ConstrainElevationAndDistance(elevation, distance, 0.f, mgr);
                TeleportCamera(zeus::lookAt(
                    FindDesiredPosition(distance, elevation, mgr.GetPlayer().GetMoveDir(), mgr, false),
                    x1cc_fixedLookPos), mgr);
            }
            break;
        }
        default:
            break;
        }

        if ((hint->GetHint().GetOverrideFlags() & 0x20) != 0)
            mgr.GetCameraManager()->SetPlayerCamera(mgr, GetUniqueId());
    }
}

void CBallCamera::ResetPosition(CStateManager& mgr)
{
    x1d8_lookPos = mgr.GetPlayer().GetBallPosition();
    x1d8_lookPos.z += x1b4_lookAtOffset.z;
    x1c0_lookPosAhead = x1d8_lookPos;
    x1cc_fixedLookPos = x1d8_lookPos;
}

void CBallCamera::DoorClosed(TUniqueId doorId)
{
    if (doorId != x3dc_tooCloseActorId)
        return;
    x18e_27_nearbyDoorClosed = true;
}

void CBallCamera::DoorClosing(TUniqueId doorId)
{
    if (doorId != x3dc_tooCloseActorId)
        return;
    x18e_28_nearbyDoorClosing = true;
}

}