mi2mu/mudela-staff.cc

   1 //
   2 // mudela-staff.cc -- implement Mudela_staff
   3 //
   4 // copyright 1997 Jan Nieuwenhuizen <jan@digicash.com>
   5
   6 #include <assert.h>
   7 #include <ctype.h>
   8 #include "moment.hh"
   9 #include "duration-convert.hh"
  10 #include "string-convert.hh"
  11 #include "mi2mu-proto.hh"
  12 #include "mi2mu-global.hh"
  13 #include "mudela-column.hh"
  14 #include "mudela-item.hh"
  15 #include "mudela-staff.hh"
  16 #include "mudela-stream.hh"
  17 #include "mudela-voice.hh"
  18 #include "mudela-score.hh"
  19
  20 extern Mudela_score* mudela_score_l_g;
  21
  22 Mudela_staff::Mudela_staff (int number_i, String copyright_str, String track_name_str, String instrument_str)
  23 {
  24   number_i_ = number_i;
  25   copyright_str_ = copyright_str;
  26   instrument_str_ = instrument_str;
  27   name_str_ = track_name_str;
  28   mudela_key_l_ = 0;
  29   mudela_meter_l_ = 0;
  30   mudela_tempo_l_ = 0;
  31 }
  32
  33 void
  34 Mudela_staff::add_item (Mudela_item* mudela_item_p)
  35 {
  36   mudela_item_p_list_.bottom().add (mudela_item_p);
  37   if  (mudela_item_p->mudela_column_l_)
  38     mudela_item_p->mudela_column_l_->add_item (mudela_item_p);
  39 }
  40
  41 void
  42 Mudela_staff::eat_voice (Link_list<Mudela_item*>& items)
  43 {
  44   Mudela_voice* voice_p = new Mudela_voice (this);
  45   mudela_voice_p_list_.bottom().add (voice_p);
  46
  47   //    Moment mom = items.top()->at_mom();
  48   Moment mom = 0;
  49
  50   for  (PCursor<Mudela_item*> i (items); i.ok();)
  51     {
  52       LOGOUT(DEBUG_ver) << "At: " << i->at_mom ().str () << "; ";
  53       LOGOUT(DEBUG_ver) << "dur: " << i->duration_mom ().str () << "; ";
  54       LOGOUT(DEBUG_ver) << "mom: " << mom.str () << " -> ";
  55       if  (i->at_mom() > mom)
  56         {
  57           Moment dur = i->at_mom() - mom;
  58           // ugh, need score
  59           Mudela_column* start = mudela_score_l_g->find_column_l (mom);
  60           voice_p->add_item (new Mudela_skip (start, dur));
  61           mom = i->at_mom();
  62         }
  63       if  (i->at_mom() == mom)
  64         {
  65           mom = i->at_mom() + i->duration_mom();
  66           voice_p->add_item (i.remove_p());
  67           // ugh
  68         }
  69       else if  (i.ok())
  70         i++;
  71       LOGOUT(DEBUG_ver) << "mom: " << mom.str () << "\n";
  72     }
  73 }
  74
  75 String
  76 Mudela_staff::id_str()
  77 {
  78   String str = name_str();
  79   for  (int i = 0; i < str.length_i(); i++)
  80     if  ( (!i && !isalpha (str[ i ]))
  81           || !isalnum (str[ i ]))
  82       * (str.ch_l() + i) = '_';
  83   return str;
  84 }
  85
  86 String
  87 Mudela_staff::name_str()
  88 {
  89   if  (name_str_.length_i())
  90     return name_str_;
  91   return String ("track") + String (number_i_);
  92 }
  93
  94 void
  95 Mudela_staff::output (Mudela_stream& mudela_stream_r)
  96 {
  97   mudela_stream_r << "$" << id_str() << " = \\melodic";
  98   mudela_stream_r <<  (mudela_voice_p_list_.size() > 1 ? "<" : "{");
  99   mudela_stream_r << "\n";
 100   mudela_stream_r << _("% midi copyright:") << copyright_str_ << "\n";
 101   mudela_stream_r << _("% instrument:") << instrument_str_ << "\n";
 102
 103   // don't use last duration mode
 104   mudela_stream_r << "\\duration 4;\n";
 105   if  (mudela_voice_p_list_.size() == 1)
 106     mudela_voice_p_list_.top()->output (mudela_stream_r);
 107   else
 108     for  (PCursor<Mudela_voice*> i (mudela_voice_p_list_); i.ok(); i++)
 109       {
 110         mudela_stream_r << "{ ";
 111         i->output (mudela_stream_r);
 112         mudela_stream_r << "} ";
 113       }
 114
 115   mudela_stream_r <<  (mudela_voice_p_list_.size() > 1 ? "\n>" : "\n}");
 116   mudela_stream_r << " % " << name_str() << "\n";
 117 }
 118
 119 void
 120 Mudela_staff::output_mudela_begin_bar (Mudela_stream& mudela_stream_r, Moment now_mom, int bar_i)
 121 {
 122   Moment bar_mom = mudela_meter_l_->bar_mom();
 123   Moment into_bar_mom = now_mom - Moment (bar_i - 1) * bar_mom;
 124   if  (bar_i > 1)
 125     {
 126       if  (!into_bar_mom)
 127         mudela_stream_r << "|\n";
 128     }
 129   mudela_stream_r << "% " << String_convert::i2dec_str (bar_i, 0, ' ');
 130   if  (into_bar_mom)
 131     mudela_stream_r << ":" << Duration_convert::dur2_str (Duration_convert::mom2_dur (into_bar_mom));
 132   mudela_stream_r << "\n";
 133 }
 134
 135
 136 #if 0 // not used for now
 137 void
 138 Mudela_staff::output_mudela_rest (Mudela_stream& mudela_stream_r, Moment begin_mom, Moment end_mom)
 139 {
 140   Moment bar_mom = mudela_meter_l_->bar_mom();
 141   Moment now_mom = begin_mom;
 142
 143   int begin_bar_i = (int) (now_mom / bar_mom) + 1;
 144   int end_bar_i = (int) (end_mom / bar_mom) + 1;
 145
 146   if  (end_bar_i == begin_bar_i)
 147     {
 148       output_mudela_rest_remain (mudela_stream_r, end_mom - begin_mom);
 149       return;
 150     }
 151
 152   // multiple bars involved
 153   int bar_i = (int) (now_mom / bar_mom) + 1;
 154
 155   //fill current bar
 156   Moment begin_bar_mom = Moment (begin_bar_i - 1) * bar_mom;
 157   if  (now_mom > begin_bar_mom)
 158     {
 159       int next_bar_i = (int) (now_mom / bar_mom) + 2;
 160       Moment next_bar_mom = Moment (next_bar_i - 1) * bar_mom;
 161       assert (next_bar_mom <= end_mom);
 162
 163       Moment remain_mom = next_bar_mom - now_mom;
 164       if  (remain_mom > Moment (0))
 165         {
 166           output_mudela_rest_remain (mudela_stream_r, remain_mom);
 167           now_mom += remain_mom;
 168         }
 169
 170       bar_i = check_end_bar_i (now_mom, bar_i);
 171     }
 172
 173   // fill whole bars
 174   int count_i = end_bar_i - bar_i;
 175   for  (int i = 0; i < count_i; i++)
 176     {
 177       int begin_bar_i = check_begin_bar_i (now_mom, bar_i);
 178       if  (begin_bar_i)
 179         output_mudela_begin_bar (mudela_stream_r, now_mom, begin_bar_i);
 180       mudela_stream_r << "r1 ";
 181       //        *mudela_stream_r.os_p_ << flush;
 182       if  (begin_bar_i)
 183         LOGOUT(NORMAL_ver) << begin_bar_i << flush;
 184       bar_i = check_end_bar_i (now_mom, bar_i);
 185       now_mom += bar_mom;
 186     }
 187
 188   // use "int i" here, and gcc 2.7.2 hits internal compiler error
 189   int ii = check_begin_bar_i (now_mom, bar_i);
 190   if  (ii)
 191     output_mudela_begin_bar (mudela_stream_r, now_mom, ii);
 192
 193   //    bar_i = check_end_bar_i (now_mom, bar_i);
 194
 195   Moment remain_mom = end_mom - Moment (end_bar_i - 1) * bar_mom;
 196   if  (remain_mom > Moment (0))
 197     {
 198       output_mudela_rest_remain (mudela_stream_r, remain_mom);
 199       now_mom += remain_mom;
 200     }
 201   assert (now_mom == end_mom);
 202 }
 203
 204 void
 205 Mudela_staff::output_mudela_rest_remain (Mudela_stream& mudela_stream_r, Moment mom)
 206 {
 207   if  (Duration_convert::no_quantify_b_s)
 208     {
 209       Duration dur = Duration_convert::mom2_dur (mom);
 210       mudela_stream_r << "r" << dur.str() << " ";
 211       //        assert (mom == dur.mom());
 212       assert (mom == dur.length());
 213       return;
 214     }
 215
 216   Duration dur = Duration_convert::mom2standardised_dur (mom);
 217   if  (dur.type_i_>-10)
 218     mudela_stream_r << "r" << dur.str() << " ";
 219 }
 220 #endif
 221
 222
 223 void
 224 Mudela_staff::process()
 225 {
 226   /*
 227      group items into voices
 228      */
 229
 230   assert (mudela_score_l_g);
 231   mudela_key_l_ = mudela_score_l_g->mudela_key_l_;
 232   mudela_meter_l_ = mudela_score_l_g->mudela_meter_l_;
 233   mudela_tempo_l_ = mudela_score_l_g->mudela_tempo_l_;
 234
 235   Link_list<Mudela_item*> items;
 236   for  (PCursor<Mudela_item*> i (mudela_item_p_list_); i.ok(); i++)
 237     items.bottom().add (*i);
 238
 239   while  (items.size())
 240     eat_voice (items);
 241 }