ObjectCarA.hh

#pragma once
 
#include "game/field/StateManager.hh"
#include "game/field/obj/ObjectCollidable.hh"
 
namespace Field {
 
class ObjectCarA;
 
class ObjectCarA : public ObjectCollidable, public StateManager<ObjectCarA> {
    friend StateManager<ObjectCarA>;
 
public:
    ObjectCarA(const System::MapdataGeoObj &params);
    ~ObjectCarA() override;
 
    void init() override;
    void calc() override;
 
    [[nodiscard]] u32 loadFlags() const override {
        return 1;
    }
 
    void createCollision() override;
    void calcCollisionTransform() override;
 
    Kart::Reaction onCollision(Kart::KartObject *kartObj, Kart::Reaction reactionOnKart,
            Kart::Reaction reactionOnObj, EGG::Vector3f &hitDepth) override;
 
private:
    // Trapezoidal motion profile
    enum class MotionState {
        Accelerating = 0,
        Cruising = 1,
        Decelerating = 2,
    };
 
    void calcPos();
 
    void enterStop();
    void enterAccel() {}
    void enterCruising();
 
    void calcStop();
    void calcAccel();
    void calcCruising();
 
    const f32 m_finalVel;
    const f32 m_accel;
    const u32 m_stopTime;
    f32 m_cruiseTime;            
    EGG::Vector3f m_currTangent; 
    EGG::Vector3f m_currUp;      
    f32 m_currVel;
    MotionState m_motionState;
    bool m_changingDir;
 
    static constexpr std::array<StateManagerEntry<ObjectCarA>, 3> STATE_ENTRIES = {{
            {0, &ObjectCarA::enterStop, &ObjectCarA::calcStop},
            {1, &ObjectCarA::enterAccel, &ObjectCarA::calcAccel},
            {2, &ObjectCarA::enterCruising, &ObjectCarA::calcCruising},
    }};
};
 
} // namespace Field