diff options
Diffstat (limited to 'audio/mods/module.h')
-rw-r--r-- | audio/mods/module.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/audio/mods/module.h b/audio/mods/module.h new file mode 100644 index 0000000000..550b63617e --- /dev/null +++ b/audio/mods/module.h @@ -0,0 +1,90 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#ifndef SOUND_MODS_MODULE_H +#define SOUND_MODS_MODULE_H + +#include "common/stream.h" + +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 |