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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 AUDIO_MODS_MODULE_H
#define AUDIO_MODS_MODULE_H
#include "common/scummsys.h"
namespace Common {
class SeekableReadStream;
}
namespace Modules {
#include "common/pack-start.h" // START STRUCT PACKING
struct note_t {
byte sample;
byte note;
uint16 period;
uint16 effect;
} PACKED_STRUCT;
#include "common/pack-end.h" // END STRUCT PACKING
typedef note_t pattern_t[64][4];
struct sample_t {
byte name[23];
uint16 len;
byte finetune;
byte vol;
uint16 repeat;
uint16 replen;
int8 *data;
};
struct sample_offs {
byte name[23];
uint16 len;
uint32 offs;
};
class Module {
public:
byte songname[21];
static const int NUM_SAMPLES = 31;
sample_t sample[NUM_SAMPLES];
sample_offs commonSamples[NUM_SAMPLES];
byte songlen;
byte undef;
byte songpos[128];
uint32 sig;
pattern_t *pattern;
Module();
~Module();
bool load(Common::SeekableReadStream &stream, int offs);
static byte periodToNote(int16 period, byte finetune = 0);
static int16 noteToPeriod(byte note, byte finetune = 0);
private:
static const int16 periods[16][60];
static const uint32 signatures[];
};
} // End of namespace Modules
#endif
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