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92 lines
2.0 KiB
C++
92 lines
2.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef AUDIO_MODS_MODULE_H
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#define AUDIO_MODS_MODULE_H
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#include "common/scummsys.h"
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namespace Common {
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class SeekableReadStream;
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}
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namespace Modules {
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#include "common/pack-start.h" // START STRUCT PACKING
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struct note_t {
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byte sample;
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byte note;
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uint16 period;
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uint16 effect;
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} PACKED_STRUCT;
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#include "common/pack-end.h" // END STRUCT PACKING
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typedef note_t pattern_t[64][4];
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struct sample_t {
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byte name[23];
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uint16 len;
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byte finetune;
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byte vol;
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uint16 repeat;
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uint16 replen;
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int8 *data;
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};
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struct sample_offs {
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byte name[23];
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uint16 len;
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uint32 offs;
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};
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class Module {
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public:
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byte songname[21];
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static const int NUM_SAMPLES = 31;
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sample_t sample[NUM_SAMPLES];
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sample_offs commonSamples[NUM_SAMPLES];
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byte songlen;
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byte undef;
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byte songpos[128];
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uint32 sig;
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pattern_t *pattern;
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Module();
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~Module();
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bool load(Common::SeekableReadStream &stream, int offs);
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static byte periodToNote(int16 period, byte finetune = 0);
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static int16 noteToPeriod(byte note, byte finetune = 0);
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private:
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static const int16 periods[16][60];
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static const uint32 signatures[];
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};
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} // End of namespace Modules
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#endif
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