KartSuspensionPhysics.hh

#pragma once
 
#include "game/kart/CollisionGroup.hh"
#include "game/kart/KartObjectProxy.hh"
#include "game/kart/KartParam.hh"
 
#include <egg/math/Matrix.hh>
 
namespace Kinoko::Kart {

class WheelPhysics : KartObjectProxy {
public:
    WheelPhysics(u16 wheelIdx, u16 bspWheelIdx);
    ~WheelPhysics();
 
    void init();
    void initBsp();
    void reset();
 
    void realign(const EGG::Vector3f &bottom, const EGG::Vector3f &vehicleMovement);
 
    void updateCollision(const EGG::Vector3f &bottom, const EGG::Vector3f &topmostPos);
    void calcSuspension(const EGG::Vector3f &forward);

    void setSuspTravel(f32 suspTravel) {
        m_suspTravel = suspTravel;
    }
 
    void setPos(const EGG::Vector3f &pos) {
        m_pos = pos;
    }
 
    void setLastPos(const EGG::Vector3f &pos) {
        m_lastPos = pos;
    }
 
    void setLastPosDiff(const EGG::Vector3f &pos) {
        m_lastPosDiff = pos;
    }
 
    void setWheelEdgePos(const EGG::Vector3f &pos) {
        m_wheelEdgePos = pos;
    }
 
    void setColVel(const EGG::Vector3f &vec) {
        m_colVel = vec;
    }

    [[nodiscard]] const EGG::Vector3f &pos() const {
        return m_pos;
    }
 
    [[nodiscard]] const EGG::Vector3f &lastPosDiff() const {
        return m_lastPosDiff;
    }
 
    [[nodiscard]] f32 suspTravel() {
        return m_suspTravel;
    }
 
    [[nodiscard]] const EGG::Vector3f &topmostPos() const {
        return m_topmostPos;
    }
 
    [[nodiscard]] CollisionGroup *hitboxGroup() {
        return m_hitboxGroup;
    }
 
    [[nodiscard]] const CollisionGroup *hitboxGroup() const {
        return m_hitboxGroup;
    }
 
    [[nodiscard]] const EGG::Vector3f &speed() const {
        return m_speed;
    }
 
    [[nodiscard]] const EGG::Vector3f &wheelEdgePos() const {
        return m_wheelEdgePos;
    }
 
    [[nodiscard]] f32 effectiveRadius() const {
        return m_effectiveRadius;
    }
 
    [[nodiscard]] f32 _74() const {
        return m_74;
    }
 
private:
    u16 m_wheelIdx;
    u16 m_bspWheelIdx;
    const BSP::Wheel *m_bspWheel;
    CollisionGroup *m_hitboxGroup;
    EGG::Vector3f m_pos;
    EGG::Vector3f m_lastPos;
    EGG::Vector3f m_lastPosDiff;
    f32 m_suspTravel;
    EGG::Vector3f m_colVel;
    EGG::Vector3f m_speed;
    EGG::Vector3f m_wheelEdgePos;
    f32 m_effectiveRadius;
    f32 m_targetEffectiveRadius;
    f32 m_74;
    EGG::Vector3f m_topmostPos;
};

class KartSuspensionPhysics : KartObjectProxy {
public:
    enum class TireType {
        Kart,
        KartReflected,
        Bike,
    };
 
    KartSuspensionPhysics(u16 wheelIdx, TireType TireType, u16 bspWheelIdx);
    ~KartSuspensionPhysics();
 
    void init();
    void reset();
 
    void setInitialState();
 
    void calcCollision(f32 dt, const EGG::Vector3f &gravity, const EGG::Matrix34f &mat);
    void calcSuspension(const EGG::Vector3f &forward, const EGG::Vector3f &vehicleMovement);
 
private:
    const BSP::Wheel *m_bspWheel;
    WheelPhysics *m_tirePhysics;
    TireType m_tireType;
    u16 m_bspWheelIdx;
    u16 m_wheelIdx;
    EGG::Vector3f m_topmostPos;
    f32 m_maxTravelScaled;
    EGG::Vector3f m_bottomDir;
};
 
} // namespace Kinoko::Kart