Subversion Repositories DIN Is Noise

/*
* globals.cc
* DIN Is Noise is copyright (c) 2006-2017 Jagannathan Sampath
* For more information, please visit http://dinisnoise.org/
*/


#include "globals.h"
#include <map>
#include <iostream>
#include "viewwin.h"

#include <fstream>
using namespace std;

extern ofstream dlog;

extern int SAMPLE_RATE;

extern string INTERVALS_FILE;
extern int NUM_INTERVALS;
extern map <string, float> INTERVALS;
extern vector<string> INTERVAL_NAMES;
extern vector<float> INTERVAL_VALUES;
extern map <string, int> NOTE_POS;

extern int NUM_VOLUMES, LAST_VOLUME;
extern float DELTA_VOLUME;

extern int NUM_MICROTONES;
extern float BOTTOM01, HEIGHT01;

extern string SCALE;

extern float DELTA_BPM;

extern int NUM_OCTAVES;

extern string user_data_dir;

void calc_volume_vars (int h) { // for microtonal keyboard
  NUM_VOLUMES = h + 1;
  DELTA_VOLUME = 1.0f / h;
  LAST_VOLUME = h;
}

int load_globals::load_intervals (const string& fname) {

  ifstream file ((user_data_dir + fname).c_str(), ios::in);
  if (file) {
    INTERVALS_FILE = fname;

    file >> ignore >> NUM_INTERVALS;

    INTERVALS.clear ();
    INTERVAL_NAMES.clear ();
    INTERVAL_VALUES.clear ();

    for (int i = 0, pos = 0; i < NUM_INTERVALS; ++i) {

      string note_name;
      float value;

      file >> note_name >> value;

      INTERVALS [note_name] = value;
      NOTE_POS [note_name] = pos++;

      INTERVAL_NAMES.push_back (note_name);
      INTERVAL_VALUES.push_back (value);

    }

    return 1;

  } else return 0;

}

load_globals::load_globals () {
  string fname (user_data_dir + "globals");
  ifstream file (fname.c_str(), ios::in);
  if (file) {
    file >> ignore >> INTERVALS_FILE;
    file >> ignore >> BOTTOM01;
    file >> ignore >> HEIGHT01;
    file >> ignore >> NUM_MICROTONES;
    file >> ignore >> NUM_OCTAVES;
    file >> ignore >> viewport::handle_radius;
    dlog << "loaded globals from: " << fname << endl;
    load_intervals (INTERVALS_FILE);
  } else {
    dlog << "!!! could not load globals !!!" << endl;
  }
}