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Aquaria/Aquaria/FFTNotes.cpp

62 lines
1.3 KiB
C++

/*
Copyright (C) 2007, 2010 - Bit-Blot
This file is part of Aquaria.
Aquaria 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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "DSQ.h"
void FFTNotes::load()
{
data.clear();
std::ifstream in("data/FFTNotes.txt");
std::string read;
while (std::getline(in, read))
{
std::istringstream is(read);
int n=0, v=0;
is >> n;
while (is >> v)
{
data[v] = n+1;
}
}
in.close();
}
int FFTNotes::getNoteFromFFT(int fft, int octave)
{
if (fft == 0)
return -1;
int v = data[fft]-1;
/*
std::ostringstream os;
os << "fftv: " << v;
debugLog(os.str());
*/
if (v == (octave+1)*10)
{
v = 7;
}
if (v > (octave+1)*10 || v < octave*10)
{
v = -1;
}
if (v != -1)
v -= octave*10; // : )
return v;
}