CarSoundData.h

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// -*- Mode: c++ -*-
/***************************************************************************
    file                 : CarSoundData.h
    created              : Tue Apr 5 19:57:35 CEST 2005
    copyright            : (C) 2005-2024 Christos Dimitrakakis, Bernhard Wymann
    email                : berniw@bluewin.ch

 ***************************************************************************/

#ifndef CAR_SOUND_DATA_H
#define CAR_SOUND_DATA_H

#include <vector>

#include "QSoundChar.h"

typedef struct WheelSoundData_
{
    sgVec3 p; 
    sgVec3 u; 
    QSoundChar skid;
} WheelSoundData;

class CarSoundData {
protected:
    sgVec3 listener_position;
    sgVec3 position;
    sgVec3 speed;
    TorcsSound* engine_sound;
    SoundInterface* sound_interface;
    void calculateAttenuation (tCarElt* car);
    void calculateEngineSound (tCarElt* car);
    void calculateBackfireSound (tCarElt* car);
    void calculateTyreSound (tCarElt* car);
    void calculateGearChangeSound (tCarElt* car);
    void calculateCollisionSound (tCarElt* car);
    bool isOffRoadSurface(const tTrackSeg* const seg);
    tdble calculateRoughnessFreqency(const tTrackSeg* const seg);
    void getDirtRoughnessParams(
        tCarElt* car,
        int wheelIndex,
        bool mainSurfaceIsOffroad,
        tdble roughnessFreq,
        tdble otherRoughnessFreq,
        tdble& dirtRoughnessFreq,
        tdble& dirtRoughness
    );
    void handleDirtContribution(
        tdble dirtContribution,
        tdble dirtRoughnessFreq,
        tdble dirtRoughness,
        tdble wheelSkid,
        tdble tmpvol,
        tdble ride
    );
    void handleRoadContribution(
        bool mainSurfaceIsOffroad,
        tdble roadContribution,
        tdble roughnessFreq,
        tdble otherRoughnessFreq,
        tdble tmpvol,
        tdble ride,
        int wheelIndex,
        tdble wheelSkid,
        tdble wheelSlipAccel,
        tdble wheelReaction
    );
    void handleCurbContribution(
        tPrivCar* car,
        bool onOtherSurface,
        tdble otherSurfaceContribution,
        tdble curbRoughnessFreq,
        tdble otherRoughnessFreq,
        tdble tmpvol,
        tdble ride,
        int wheelIndex,
        tdble wheelReaction
    );


public:
    SoundPri eng_pri;
    WheelSoundData wheel[4];
    float attenuation; 
    float base_frequency; 
    float smooth_accel; 
    float pre_axle; 
    bool turbo_on; 
    float turbo_rpm; 
    float turbo_ilag; 
    QSoundChar engine;
    QSoundChar drag_collision;
    QSoundChar turbo;
    QSoundChar axle;
    QSoundChar engine_backfire;
    QSoundChar grass_skid;
    QSoundChar curb;
    QSoundChar grass;
    QSoundChar road;
    QSoundChar skid_metal;
    int prev_gear;

    CarSoundData (int id, SoundInterface* sound_interface);
    void setEngineSound (TorcsSound* engine_sound, float rpm_scale);
    void setTurboParameters (bool turbo_on, float turbo_rpm, float turbo_lag);
    TorcsSound* getEngineSound () {return engine_sound;}
    void copyEngPri (SoundPri& epri)    {epri = eng_pri;}
    void setCarPosition (sgVec3 p)
    {
        for (int i=0; i<3; i++) {
            position[i] = p[i];
        }
    }
    void setCarSpeed (sgVec3 u)
    {
        for (int i=0; i<3; i++) {
            speed[i] = u[i];
        }
    }
    void getCarPosition (sgVec3 p)
    {
        for (int i=0; i<3; i++) {
            p[i] = position[i];
        }
    }
    void getCarSpeed (sgVec3 u)
    {
        for (int i=0; i<3; i++) {
            u[i] = speed[i];
        }
    }
    void setListenerPosition (sgVec3 p)
    {
        for (int i=0; i<3; i++) {
            listener_position[i] = p[i];
        }
    }
    void update (tCarElt* car);
    bool gear_changing;
    bool bottom_crash;
    bool bang;
    bool crash;
};

#endif /* CAR_SOUND_DATA_H */