mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-19 11:05:11 +00:00
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
/**
|
|
* Furnace Tracker - multi-system chiptune tracker
|
|
* Copyright (C) 2021-2023 tildearrow and contributors
|
|
*
|
|
* 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 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef _WAVESYNTH_H
|
|
#define _WAVESYNTH_H
|
|
|
|
#include "instrument.h"
|
|
#include "wavetable.h"
|
|
|
|
class DivEngine;
|
|
|
|
class DivWaveSynth {
|
|
DivEngine* e;
|
|
DivInstrumentWaveSynth state;
|
|
int pos, stage, divCounter, width, height, subDivCounter;
|
|
bool first, activeChangedB, stageDir;
|
|
unsigned char wave1[256];
|
|
unsigned char wave2[256];
|
|
public:
|
|
/**
|
|
* the output.
|
|
*/
|
|
int output[256];
|
|
/**
|
|
* check whether the "active" status has changed.
|
|
* @return truth.
|
|
*/
|
|
bool activeChanged();
|
|
/**
|
|
* tick this DivWaveSynth.
|
|
* @return whether the wave has changed.
|
|
*/
|
|
bool tick(bool skipSubDiv=false);
|
|
/**
|
|
* set the wave width.
|
|
* @param value the width.
|
|
*/
|
|
void setWidth(int val);
|
|
/**
|
|
* change the first wave.
|
|
* @param num wavetable number.
|
|
*/
|
|
void changeWave1(int num);
|
|
/**
|
|
* change the second wave.
|
|
* @param num wavetable number.
|
|
*/
|
|
void changeWave2(int num);
|
|
/**
|
|
* initialize this DivWaveSynth.
|
|
* @param which the instrument.
|
|
* @param width the system's wave width.
|
|
* @param height the system's wave height.
|
|
* @param insChanged whether the instrument has changed.
|
|
*/
|
|
void init(DivInstrument* which, int width, int height, bool insChanged=false);
|
|
void setEngine(DivEngine* engine, int waveFloor=0);
|
|
DivWaveSynth():
|
|
e(NULL),
|
|
pos(0),
|
|
stage(0),
|
|
divCounter(0),
|
|
width(32),
|
|
height(31),
|
|
subDivCounter(0),
|
|
first(false),
|
|
activeChangedB(false),
|
|
stageDir(false) {
|
|
memset(wave1,0,256);
|
|
memset(wave2,0,256);
|
|
memset(output,0,sizeof(int)*256);
|
|
}
|
|
};
|
|
|
|
#endif
|