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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2003 The ScummVM project
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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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*
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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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*
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#ifndef INSTRUMENT_H
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#define INSTRUMENT_H
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#include "stdafx.h"
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#include "common/scummsys.h"
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class Serializer;
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class MidiChannel;
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class Instrument;
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class InstrumentInternal {
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public:
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virtual void saveOrLoad (Serializer *s) = 0;
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virtual void send (MidiChannel *mc) = 0;
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virtual void copy_to (Instrument *dest) = 0;
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virtual bool is_valid() = 0;
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virtual operator int() { return 255; }
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};
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class Instrument {
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private:
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byte _type;
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InstrumentInternal *_instrument;
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public:
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enum {
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itNone = 0,
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itProgram = 1,
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itAdlib = 2,
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itRoland = 3
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};
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Instrument() : _type (0), _instrument (0) { }
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void clear();
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void copy_to (Instrument *dest) { if (_instrument) _instrument->copy_to (dest); else dest->clear(); }
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operator int() { return (_instrument ? (int) _instrument : 255); }
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void program (byte program, bool mt32);
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void adlib (byte *instrument);
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void roland (byte *instrument);
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byte getType() { return _type; }
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bool isValid() { return (_instrument ? _instrument->is_valid() : false); }
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void saveOrLoad (Serializer *s);
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void send (MidiChannel *mc) { if (_instrument) _instrument->send (mc); }
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};
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#endif
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