ObjectKuribo.cc

#include "ObjectKuribo.hh"
 
#include "game/field/CollisionDirector.hh"
 
#include <cmath>
 
namespace Kinoko::Field {

ObjectKuribo::ObjectKuribo(const System::MapdataGeoObj &params)
    : ObjectCollidable(params), StateManager(this, STATE_ENTRIES) {
    ASSERT(m_mapObj);
    m_animStep = static_cast<f32>(m_mapObj->setting(2)) / 100.0f;
    m_speedStep = static_cast<f32>(m_mapObj->setting(1)) / 100.0f;
 
    // Not initialized here in the base game because normally the game's heaps are zero-initialized
    m_rot = EGG::Vector3f::zero;
    m_floorNrm = EGG::Vector3f::zero;
}

ObjectKuribo::~ObjectKuribo() = default;

void ObjectKuribo::init() {
    calcTransform();
    m_origin = transform().base(2);
 
    m_railInterpolator->init(0.0f, 0);
    m_railInterpolator->setCurrVel(0.0f);
 
    m_currSpeed = 0.0f;
    m_animTimer = 0.0f;
    m_frameCount = 0;
 
    auto *anmMgr = m_drawMdl->anmMgr();
    anmMgr->playAnim(0.0f, m_animStep, 0);
    m_maxAnimTimer = anmMgr->activeAnim(Render::AnmType::Chr)->frameCount();
    m_nextStateId = 1;
}

void ObjectKuribo::calc() {
    m_animTimer = ::fmodf(static_cast<f32>(m_frameCount) * m_animStep, m_maxAnimTimer);
 
    StateManager::calc();
 
    ++m_frameCount;
}

void ObjectKuribo::loadAnims() {
    std::array<const char *, 2> names = {{
            "walk_l",
            "walk_r",
    }};
 
    std::array<Render::AnmType, 2> types = {{
            Render::AnmType::Chr,
            Render::AnmType::Chr,
    }};
 
    linkAnims(names, types);
}
 
void ObjectKuribo::enterStateStub() {}
 
void ObjectKuribo::calcStateStub() {}

void ObjectKuribo::calcStateReroute() {
    if (m_railInterpolator->curPoint().setting[0] < m_currentFrame) {
        m_nextStateId = 1;
    }
 
    checkSphereFull();
    calcRot();
    setMatrixTangentTo(m_rot, m_origin);
}

void ObjectKuribo::calcStateWalk() {
    calcAnim();
}

void ObjectKuribo::calcAnim() {
    bool shouldMove;
 
    if (m_railInterpolator->isMovementDirectionForward()) {
        shouldMove = m_animTimer > 15.0f && m_animTimer < 25.0f;
    } else {
        shouldMove = m_animTimer > 45.0f && m_animTimer < 55.0f;
    }
 
    if (shouldMove) {
        m_currSpeed = std::min(10.0f, m_currSpeed + m_speedStep);
    } else {
        m_currSpeed = std::max(0.0f, m_currSpeed - m_speedStep);
    }
 
    m_railInterpolator->setCurrVel(m_currSpeed);
    const auto &curPos = m_railInterpolator->curPos();
    setPos(EGG::Vector3f(curPos.x, pos().y, curPos.z));
 
    if (m_railInterpolator->calc() == RailInterpolator::Status::ChangingDirection) {
        m_nextStateId = 0;
        m_currSpeed = 0.0f;
    }
 
    checkSphereFull();
    calcRot();
    setMatrixTangentTo(m_rot, m_origin);
}

void ObjectKuribo::calcRot() {
    m_rot = Interpolate(0.1f, m_rot, m_floorNrm);
 
    if (m_rot.squaredLength() > std::numeric_limits<f32>::epsilon()) {
        m_rot.normalise2();
    } else {
        m_rot = EGG::Vector3f::ey;
    }
}

void ObjectKuribo::checkSphereFull() {
    constexpr f32 RADIUS = 50.0f;
 
    // Apply gravity if we're not changing direction
    if (m_currentStateId != 0) {
        subPos(EGG::Vector3f(0.0f, 2.0f, 0.0f));
    }
 
    CollisionInfo colInfo;
    EGG::Vector3f colPos = pos();
    colPos.y += RADIUS;
 
    bool hasCol = CollisionDirector::Instance()->checkSphereFull(RADIUS, colPos, EGG::Vector3f::inf,
            KCL_TYPE_FLOOR, &colInfo, nullptr, 0);
 
    if (hasCol) {
        addPos(colInfo.tangentOff);
 
        if (colInfo.floorDist > -std::numeric_limits<f32>::min()) {
            m_floorNrm = colInfo.floorNrm;
        }
    }
}
 
} // namespace Kinoko::Field