X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftiming-translator.cc;h=16fe82b6e63512e3a82be592bb560da683a2e58b;hb=13233115f073866390b6222eda6ae1c64bbe3c87;hp=1c00d0b5971f789298f2ddb974ba77ac9a375cd2;hpb=8f58f4428d70961938e9151097886d861b3faeb3;p=lilypond.git diff --git a/lily/timing-translator.cc b/lily/timing-translator.cc index 1c00d0b597..16fe82b6e6 100644 --- a/lily/timing-translator.cc +++ b/lily/timing-translator.cc @@ -1,165 +1,208 @@ /* timing-translator.cc -- implement Timing_translator + source file of the GNU LilyPond music typesetter - (c) 1997--1999 Han-Wen Nienhuys + (c) 1997--2000 Han-Wen Nienhuys */ +#include "debug.hh" #include "timing-translator.hh" #include "command-request.hh" #include "translator-group.hh" #include "global-translator.hh" #include "multi-measure-rest.hh" -Timing_translator::Timing_translator () -{ - default_grouping_ = Rhythmic_grouping (MInterval (0, 1), 4); // ugh -} +/* + TODO: change the rest of lily, so communication with + Timing_translator is only done through properties. This means the + class declaration can go here. */ bool -Timing_translator::do_try_music (Music*r) +Timing_translator::try_music (Music*r) { - if (Timing_req *t = dynamic_cast (r)) + if (dynamic_cast (r)) { - for (int i=0; i < timing_req_l_arr_.size (); i++) - { - if (timing_req_l_arr_[i]->equal_b(t)) - return true; - if (String (classname (timing_req_l_arr_[i])) == classname (r)) - { - r->warning (_ ("conflicting timing request")); - return false; - } - } - - timing_req_l_arr_.push(t); + check_ = r; return true; } return false; } -/*ugh. - */ -Time_signature_change_req* -Timing_translator::time_signature_req_l() const +void +Timing_translator::process_music() { - Time_signature_change_req *m_l=0; - for (int i=0; !m_l && i < timing_req_l_arr_.size (); i++) + if (check_ && measure_position ()) { - m_l=dynamic_cast (timing_req_l_arr_[i]); + check_->origin ()->warning (_f ("barcheck failed at: %s", + measure_position ().str ())); + Moment zero; + + if (!to_boolean (get_property ("barCheckNoSynchronize"))) + daddy_trans_l_->set_property("measurePosition", zero.smobbed_copy ()); + } + + SCM fr = get_property ("timeSignatureFraction"); + + if (scm_equal_p (fr, last_time_sig_) == SCM_BOOL_F) + { + last_time_sig_ = fr; + set_time_signature (); } - return m_l; } + void -Timing_translator::do_process_requests() +Timing_translator::stop_translation_timestep() { - for (int i=0; i < timing_req_l_arr_.size (); i++) + check_ = 0; + + Translator *t = this; + Global_translator *global_l =0; + do { - Timing_req * tr_l = timing_req_l_arr_[i]; - - if (Time_signature_change_req *m_l = dynamic_cast (tr_l)) - { - int b_i= m_l->beats_i_; - int o_i = m_l->one_beat_i_; - if (! time_.allow_time_signature_change_b()) - tr_l->warning (_ ("time signature change not allowed here")); - else - { - time_.set_time_signature (b_i, o_i); - - default_grouping_ = - Rhythmic_grouping (MInterval (0,Moment (b_i, o_i)), - b_i == 1 ? 2 : b_i); - } - } - else if (Partial_measure_req *pm = dynamic_cast (tr_l)) - { - Moment m = pm->length_mom_; - String error = time_.try_set_partial_str (m); - if (error.length_i ()) - { - tr_l->warning (error); - } - else - time_.setpartial (m); - } - else if (dynamic_cast (tr_l)) - { - if (time_.whole_in_measure_) - { - tr_l ->warning (_f ("barcheck failed by: %s", - time_.whole_in_measure_.str ())); - - time_.whole_in_measure_ = 0; // resync - time_.error_b_ = true; - } - } - else if (Cadenza_req *cr = dynamic_cast (tr_l)) - { - time_.set_cadenza (cr->on_b_); - } - else if (Measure_grouping_req *mg=dynamic_cast (tr_l)) - { - default_grouping_ = - parse_grouping (mg->beat_i_arr_, - mg->elt_length_arr_); - - } + t = t->daddy_trans_l_ ; + global_l = dynamic_cast (t); } + while (!global_l); - Translator_group * tr=0; + /* allbars == ! skipbars */ + SCM sb = get_property ("skipBars"); + bool allbars = !to_boolean (sb); - Scalar barn = get_property ("currentBarNumber", &tr); - if (!barn.empty_b () && barn.isnum_b ()) + // urg: multi bar rests: should always process whole of first bar? + SCM tim = get_property ("timing"); + bool timb = to_boolean (tim); + if (timb && allbars) { - time_.bars_i_ = int(barn); - tr->set_property ("currentBarNumber", ""); - } - + Moment barleft = (measure_length () - measure_position ()); + if (barleft > Moment (0)) + global_l->add_moment_to_process (now_mom () + barleft); + } } +ADD_THIS_TRANSLATOR(Timing_translator); + void -Timing_translator::do_pre_move_processing() +Timing_translator::initialize() { - timing_req_l_arr_.set_size (0); - Global_translator *global_l = - dynamic_cast (daddy_trans_l_->ancestor_l (100)); // ugh 100. - - - /* allbars == ! skipbars */ - bool allbars = ! get_property ("SkipBars", 0).to_bool (); - - // urg: multi bar rests: should always must process whole of first bar? - if (!time_.cadenza_b_ && allbars) - global_l->add_moment_to_process (time_.next_bar_moment ()); + Moment m; + daddy_trans_l_->set_property ("timing" , SCM_BOOL_T); + daddy_trans_l_->set_property ("currentBarNumber" , gh_int2scm (1)); + daddy_trans_l_->set_property ("measurePosition", m.smobbed_copy ()); + daddy_trans_l_->set_property ("timeSignatureFraction", + gh_cons (gh_int2scm (4), gh_int2scm (4))); + + set_time_signature (); } +Moment +Timing_translator::measure_length () const +{ + SCM l = get_property("measureLength"); + if (unsmob_moment(l)) + return *unsmob_moment (l); + else + return Moment (1); +} -ADD_THIS_TRANSLATOR(Timing_translator); void -Timing_translator::do_creation_processing() +Timing_translator::set_time_signature () { - time_.when_ = now_mom (); + SCM fr = get_property ("timeSignatureFraction"); + int l = gh_scm2int (gh_car (fr)); + int o = gh_scm2int (gh_cdr (fr)); + + Moment one_beat = Moment (1)/Moment (o); + Moment len = Moment (l) * one_beat; + + daddy_trans_l_->set_property ("measureLength", len.smobbed_copy ()); + daddy_trans_l_->set_property ("beatLength", one_beat.smobbed_copy ()); } -void -Timing_translator::do_post_move_processing() +Timing_translator::Timing_translator() { - time_.add (now_mom () - time_.when_); + last_time_sig_ = SCM_BOOL_F; } + +Moment +Timing_translator::measure_position () const +{ + SCM sm = get_property ("measurePosition"); + + Moment m =0; + if (unsmob_moment (sm)) + { + m = *unsmob_moment(sm); + while (m < Moment (0)) + m += measure_length (); + } + + return m; +} + void -Timing_translator::do_print () const +Timing_translator::start_translation_timestep() { -#ifndef NPRINT - time_.print (); - default_grouping_.print (); -#endif + check_ =00; + Translator *t = this; + Global_translator *global_l =0; + do + { + t = t->daddy_trans_l_ ; + global_l = dynamic_cast (t); + } + while (!global_l); + + Moment dt = global_l->now_mom_ - global_l -> prev_mom_; + if (dt < Moment (0)) + { + programming_error ("Moving backwards in time"); + dt = 0; + } + + if (!dt) + return; + + Moment measposp; + + SCM s = get_property ("measurePosition"); + if (unsmob_moment (s)) + { + measposp = *unsmob_moment(s); + } + else + { + daddy_trans_l_->set_property ("measurePosition", measposp.smobbed_copy()); + } + + measposp += dt; + + SCM barn = get_property ("currentBarNumber"); + int b = 0; + if (gh_number_p(barn)) + { + b = gh_scm2int (barn); + } + + SCM cad = get_property ("timing"); + bool c= to_boolean (cad ); + + Moment len = measure_length (); + while (c && measposp >= len) + { + measposp -= len; + b ++; + } + + daddy_trans_l_->set_property ("currentBarNumber", gh_int2scm (b)); + daddy_trans_l_->set_property ("measurePosition", measposp.smobbed_copy()); } +