85 lines
2.5 KiB
C++
85 lines
2.5 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef SCUMM_IMUSE_H
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#define SCUMM_IMUSE_H
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#include "audio/mididrv.h"
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#include "common/scummsys.h"
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#include "common/serializer.h"
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#include "common/mutex.h"
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#include "scumm/music.h"
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class MidiDriver;
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class OSystem;
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namespace Scumm {
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class IMuseInternal;
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class Player;
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class ScummEngine;
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typedef void (*sysexfunc)(Player *, const byte *, uint16);
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/**
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* iMuse implementation interface.
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* MusicEngine derivative for state-tracked, interactive,
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* persistent event-based music playback and control.
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* This class serves as an interface to actual implementations
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* so that client code is not exposed to the details of
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* any specific implementation.
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*/
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class IMuse : public MusicEngine {
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public:
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enum {
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PROP_TEMPO_BASE,
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PROP_LIMIT_PLAYERS,
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PROP_RECYCLE_PLAYERS,
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PROP_QUALITY,
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PROP_MUSICVOLUME,
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PROP_SFXVOLUME
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};
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public:
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virtual void on_timer(MidiDriver *midi) = 0;
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virtual void pause(bool paused) = 0;
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virtual void saveLoadIMuse(Common::Serializer &ser, ScummEngine *scumm, bool fixAfterLoad = true) = 0;
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virtual bool get_sound_active(int sound) const = 0;
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virtual int32 doCommand(int numargs, int args[]) = 0;
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virtual int clear_queue() = 0;
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virtual uint32 property(int prop, uint32 value) = 0;
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virtual void addSysexHandler(byte mfgID, sysexfunc handler) = 0;
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public:
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virtual void startSoundWithNoteOffset(int sound, int offset) = 0;
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// MusicEngine base class methods. Only this one is implemented:
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void setQuality(int qual) override { property(PROP_QUALITY, qual); }
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public:
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// Factory methods
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static IMuse *create(ScummEngine *vm, MidiDriver *nativeMidiDriver, MidiDriver *adlibMidiDriver, MidiDriverFlags sndType, bool nativeMT32);
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};
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} // End of namespace Scumm
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#endif
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