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//--------------------------------------------------------------------------------------
// LenMus Phonascus: The teacher of music
// Copyright (c) 2002-2008 Cecilio Salmeron
//
// This program is free software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
// PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with this
// program. If not, see <http://www.gnu.org/licenses/>.
//
// For any comment, suggestion or feature request, please contact the manager of
// the project at cecilios@users.sourceforge.net
//
//-------------------------------------------------------------------------------------
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "EarCompareIntvCtrol.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "../score/VStaff.h"
#include "EarCompareIntvCtrol.h"
#include "Constrains.h"
#include "Generators.h"
#include "../auxmusic/Conversion.h"
#include "../ldp_parser/LDPParser.h"
#include "../auxmusic/Interval.h"
#include "../app/DlgCfgEarIntervals.h"
#include "../globals/Colors.h"
extern lmColors* g_pColors;
// access to global external variables
extern bool g_fReleaseVersion; // in TheApp.cpp
extern bool g_fReleaseBehaviour; // in TheApp.cpp
extern bool g_fShowDebugLinks; // in TheApp.cpp
extern bool g_fAutoNewProblem; // in Preferences.cpp
//access to MIDI manager to get default settings for instrument to use
#include "../sound/MidiManager.h"
//------------------------------------------------------------------------------------
// Implementation of lmEarCompareIntvCtrol
IMPLEMENT_CLASS(lmEarCompareIntvCtrol, lmCompareScoresCtrol)
lmEarCompareIntvCtrol::lmEarCompareIntvCtrol(wxWindow* parent, wxWindowID id,
lmEarIntervalsConstrains* pConstrains,
const wxPoint& pos, const wxSize& size, int style)
: lmCompareScoresCtrol(parent, id, pConstrains, wxSize(400,150), pos, size, style )
{
//initializations
m_pConstrains = pConstrains;
//options
m_pConstrains->SetButtonsEnabledAfterSolution(false);
m_nPlayMM = 320; //score build with whole notes, so metronome rate 320
//will force to play at 80 notes/minute
CreateControls();
}
lmEarCompareIntvCtrol::~lmEarCompareIntvCtrol()
{
}
wxDialog* lmEarCompareIntvCtrol::GetSettingsDlg()
{
return new lmDlgCfgEarIntervals(this, m_pConstrains, true); // true -> enable First note equal checkbox
}
wxString lmEarCompareIntvCtrol::SetNewProblem()
{
//
//generate the two intervals to compare
//
lmEClefType nClef = lmE_Sol;
// select interval type: ascending, descending or both
lmRandomGenerator oGenerator;
bool fAscending;
if (m_pConstrains->IsTypeAllowed(0) ||
(m_pConstrains->IsTypeAllowed(1) && m_pConstrains->IsTypeAllowed(2)))
{
// if harmonic scale or melodic ascending and descending,
// both, ascending and descending, are allowed. Choose one randomly
fAscending = oGenerator.FlipCoin();
}
else if (m_pConstrains->IsTypeAllowed(1)) {
// if melodic ascendig, allow only ascending intervals
fAscending = true;
}
else {
// allow only descending intervals
fAscending = false;
}
// select a random key signature satisfying the constraints
lmEKeySignatures nKey;
if (m_pConstrains->OnlyNatural()) {
nKey = oGenerator.GenerateKey(m_pConstrains->GetKeyConstrains());
}
else {
nKey = earmDo;
}
// generate the two intervals
lmInterval oIntv0(m_pConstrains->OnlyNatural(), m_pConstrains->MinNote(),
m_pConstrains->MaxNote(), m_pConstrains->AllowedIntervals(), fAscending, nKey);
bool fOnlyNatural;
int nMidi0;
if (m_pConstrains->FirstNoteEqual()) {
fOnlyNatural = false;
nMidi0 = oIntv0.GetMidiNote1();
}
else {
fOnlyNatural = m_pConstrains->OnlyNatural();
nMidi0 = 0;
}
lmInterval oIntv1(fOnlyNatural, m_pConstrains->MinNote(), m_pConstrains->MaxNote(),
m_pConstrains->AllowedIntervals(), fAscending, nKey, nMidi0);
//Convert problem to LDP pattern
wxString sPattern[2][2];
int i;
for (i=0; i < 2; i++) {
sPattern[0][i] = _T("(n ") + oIntv0.GetPattern(i) + _T(" r)");
sPattern[1][i] = _T("(n ") + oIntv1.GetPattern(i) + _T(" r)");
}
//
//create two scores, one for each interval to be played, and a third score with
//both intervals for displaying the solution
//
lmNote* pNote[2];
lmLDPParser parserLDP;
lmLDPNode* pNode;
lmVStaff* pVStaff;
//create the two single-interval scores
for (i=0; i<2; i++) {
m_pScore[i] = new lmScore();
lmInstrument* pInstr = m_pScore[i]->AddInstrument(
g_pMidi->DefaultVoiceChannel(), g_pMidi->DefaultVoiceInstr(), _T("")); //one vstaff, MIDI channel 0, MIDI instr 0
pVStaff = pInstr->GetVStaff();
m_pScore[i]->SetTopSystemDistance( pVStaff->TenthsToLogical(30, 1) ); // 3 lines
pVStaff->AddClef( nClef );
pVStaff->AddKeySignature(nKey);
pVStaff->AddTimeSignature(4 ,4, lmNO_VISIBLE );
// pVStaff->AddSpacer(30); // 3 lines
pNode = parserLDP.ParseText( sPattern[i][0] );
pNote[0] = parserLDP.AnalyzeNote(pNode, pVStaff);
pVStaff->AddBarline(lm_eBarlineSimple, lmNO_VISIBLE); //so that accidental doesn't affect 2nd note
pNode = parserLDP.ParseText( sPattern[i][1] );
pNote[1] = parserLDP.AnalyzeNote(pNode, pVStaff);
pVStaff->AddBarline(lm_eBarlineEnd, lmNO_VISIBLE);
}
//create the answer score with both intervals
m_pSolutionScore = new lmScore();
m_pSolutionScore->SetOption(_T("Render.SpacingMethod"), (long)esm_Fixed);
lmInstrument* pInstr = m_pSolutionScore->AddInstrument(g_pMidi->DefaultVoiceChannel(),
g_pMidi->DefaultVoiceInstr(), _T(""));
pVStaff = pInstr->GetVStaff();
m_pSolutionScore->SetTopSystemDistance( pVStaff->TenthsToLogical(30, 1) ); // 3 lines
pVStaff->AddClef( nClef );
pVStaff->AddKeySignature(nKey);
pVStaff->AddTimeSignature(4 ,4, lmNO_VISIBLE );
//fisrt interval
pNode = parserLDP.ParseText(_T("(texto ''") + oIntv0.GetIntervalName() +
_T("'' dy:-40 (font ''Arial'' 6))"));
parserLDP.AnalyzeText(pNode, pVStaff);
pNode = parserLDP.ParseText( sPattern[0][0] );
pNote[0] = parserLDP.AnalyzeNote(pNode, pVStaff);
pVStaff->AddBarline(lm_eBarlineSimple, lmNO_VISIBLE); //so that accidental doesn't affect 2nd note
pNode = parserLDP.ParseText( sPattern[0][1] );
pNote[1] = parserLDP.AnalyzeNote(pNode, pVStaff);
pVStaff->AddSpacer(30); // 3 lines
pVStaff->AddBarline(lm_eBarlineDouble);
// two invisible rests to do a pause when playing the score
pNode = parserLDP.ParseText( _T("(s b noVisible)"));
parserLDP.AnalyzeNote(pNode, pVStaff);
pVStaff->AddBarline(lm_eBarlineSimple, lmNO_VISIBLE);
pNode = parserLDP.ParseText( _T("(s b noVisible)"));
parserLDP.AnalyzeNote(pNode, pVStaff);
pVStaff->AddBarline(lm_eBarlineSimple, lmNO_VISIBLE);
//second interval
pNode = parserLDP.ParseText(_T("(texto ''") + oIntv1.GetIntervalName() +
_T("'' dy:-40 (font ''Arial'' 6))"));
parserLDP.AnalyzeText(pNode, pVStaff);
pNode = parserLDP.ParseText( sPattern[1][0] );
parserLDP.AnalyzeNote(pNode, pVStaff);
pVStaff->AddBarline(lm_eBarlineSimple, lmNO_VISIBLE); //so that accidental doesn't affect 2nd note
pNode = parserLDP.ParseText( sPattern[1][1] );
parserLDP.AnalyzeNote(pNode, pVStaff);
pVStaff->AddSpacer(30);
pVStaff->AddBarline(lm_eBarlineEnd);
//compute the right answer
m_sAnswer = _T("");
if (oIntv0.GetNumSemitones() > oIntv1.GetNumSemitones())
m_nRespIndex = 0; //First is greater
else if (oIntv0.GetNumSemitones() == oIntv1.GetNumSemitones())
m_nRespIndex = 2; //both are equal
else
m_nRespIndex = 1; //second is greater
//return message to display to introduce the problem
return _T("");
}
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