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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 SCUMM_IMUSE_H
#define SCUMM_IMUSE_H
#include "common/scummsys.h"
#include "common/mutex.h"
#include "scumm/music.h"
class MidiDriver;
class OSystem;
namespace Scumm {
class IMuseInternal;
class Player;
class ScummEngine;
class Serializer;
typedef void (*sysexfunc)(Player *, const byte *, uint16);
/**
* iMuse implementation interface.
* MusicEngine derivative for state-tracked, interactive,
* persistent event-based music playback and control.
* This class serves as an interface to actual implementations
* so that client code is not exposed to the details of
* any specific implementation.
*/
class IMuse : public MusicEngine {
public:
enum {
PROP_TEMPO_BASE,
PROP_NATIVE_MT32,
PROP_GS,
PROP_LIMIT_PLAYERS,
PROP_RECYCLE_PLAYERS,
PROP_GAME_ID,
PROP_PC_SPEAKER
};
public:
virtual void on_timer(MidiDriver *midi) = 0;
virtual void pause(bool paused) = 0;
virtual int save_or_load(Serializer *ser, ScummEngine *scumm, bool fixAfterLoad = true) = 0;
virtual bool get_sound_active(int sound) const = 0;
virtual int32 doCommand(int numargs, int args[]) = 0;
virtual int clear_queue() = 0;
virtual uint32 property(int prop, uint32 value) = 0;
virtual void addSysexHandler(byte mfgID, sysexfunc handler) = 0;
public:
virtual void startSoundWithNoteOffset(int sound, int offset) = 0;
// MusicEngine base class methods.
// Not actually redefined here because none are implemented.
public:
// Factory methods
static IMuse *create(OSystem *syst, MidiDriver *nativeMidiDriver, MidiDriver *adlibMidiDriver);
};
} // End of namespace Scumm
#endif
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