#pragma once
#include <vector>
#include "shatter.h"
using namespace std;

class AudioLoop {
public:
    AudioLoop(FMOD::System* sound_sys);
    ~AudioLoop();

    void add_samples(const double* samples, unsigned long n_samples);
    void add_sample(double sample);

    void stutter();
    void scramble();
    void glitch();

    int load_file(const char* fname);

    void play();

    void clear();
    
    SAMPLE get_sample(int offset);

    // graphical representation of the loop around the current sample
    void render();
    
    void set_3D(const STVector3 & pos, const STVector3 & vel);
    double _volume;

    vector<SAMPLE> _audio_vector;

    // makes it so that the pcmreadcallback forwards the data to the death_ball
    void set_death_handle(DeathBall* death_ball);

    static FMOD_RESULT pcmreadcallback(FMOD_SOUND *sound, void *data, unsigned int datalen);
    static FMOD_RESULT pcmsetposcallback(FMOD_SOUND *sound, int subsound, unsigned int position, FMOD_TIMEUNIT postype);
private:

    void do_stutter(unsigned long index1, unsigned long index2);
    void do_scramble(unsigned long index1, unsigned long index2);
    void do_glitch(unsigned long index1, unsigned long index2);

    SAMPLE get_next_sample();

    void smooth_the_gap();

    unsigned long _cur_sample;
    FMOD::Sound* _sound;
    FMOD::Channel* _channel;
    TickTimer* _tick_timer;
    DeathBall* _death_ball;
};