libsidplayfp  1.0.3
Voice.h
00001 /*
00002  * This file is part of libsidplayfp, a SID player engine.
00003  *
00004  * Copyright 2011-2013 Leandro Nini <drfiemost@users.sourceforge.net>
00005  * Copyright 2007-2010 Antti Lankila
00006  * Copyright 2004 Dag Lem <resid@nimrod.no>
00007  *
00008  * This program is free software; you can redistribute it and/or modify
00009  * it under the terms of the GNU General Public License as published by
00010  * the Free Software Foundation; either version 2 of the License, or
00011  * (at your option) any later version.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU General Public License
00019  * along with this program; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00021  */
00022 
00023 #ifndef VOICE_H
00024 #define VOICE_H
00025 
00026 #include "siddefs-fp.h"
00027 #include "WaveformGenerator.h"
00028 #include "EnvelopeGenerator.h"
00029 
00030 namespace reSIDfp
00031 {
00032 
00041 class Voice
00042 {
00043 private:
00044     WaveformGenerator* waveformGenerator;
00045 
00046     EnvelopeGenerator* envelopeGenerator;
00047 
00048 public:
00063     RESID_INLINE
00064     int output(const WaveformGenerator* ringModulator) const
00065     {
00066         return waveformGenerator->output(ringModulator) * envelopeGenerator->output();
00067     }
00068 
00072     Voice() :
00073         waveformGenerator(new WaveformGenerator()),
00074         envelopeGenerator(new EnvelopeGenerator()) {}
00075 
00076     ~Voice()
00077     {
00078         delete waveformGenerator;
00079         delete envelopeGenerator;
00080     }
00081 
00082     WaveformGenerator* wave() const { return waveformGenerator; }
00083 
00084     EnvelopeGenerator* envelope() const { return envelopeGenerator; }
00085 
00086     // ----------------------------------------------------------------------------
00087     // Register functions.
00088     // ----------------------------------------------------------------------------
00089 
00095     void writeCONTROL_REG(unsigned char control)
00096     {
00097         waveformGenerator->writeCONTROL_REG(control);
00098         envelopeGenerator->writeCONTROL_REG(control);
00099     }
00100 
00104     void reset()
00105     {
00106         waveformGenerator->reset();
00107         envelopeGenerator->reset();
00108     }
00109 };
00110 
00111 } // namespace reSIDfp
00112 
00113 #endif