scummvm/engines/startrek/sound.h
2018-08-09 08:37:30 +02:00

101 lines
2.5 KiB
C++

/* 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 STARTREK_SOUND_H
#define STARTREK_SOUND_H
#include "startrek/startrek.h"
#include "audio/midiparser.h"
#include "audio/mididrv.h"
#include "audio/mixer.h"
namespace Common {
class MacResManager;
}
namespace StarTrek {
class StarTrekEngine;
// Max # of VOC files that can play at once
const int MAX_SFX_PLAYING = 4;
struct MidiPlaybackSlot {
int slot;
int track;
MidiParser *midiParser;
};
class Sound {
public:
Sound(StarTrekEngine *vm);
~Sound();
void playMidiTrack(int track);
void playMidiTrackInSlot(int slot, int track);
void loadMusicFile(const Common::String &baseSoundName);
void playMidiMusicTracks(int startTrack, int loopTrack);
void playVoc(const Common::String &baseSoundName);
void playSpeech(const Common::String &basename);
void stopAllVocSounds();
void stopPlayingSpeech();
void setMusicEnabled(bool enable);
void setSfxEnabled(bool enable);
void checkLoopMusic();
private:
StarTrekEngine *_vm;
Audio::SoundHandle *_soundHandle;
void loadPCMusicFile(const Common::String &baseSoundName);
void clearMidiSlot(int slot);
void clearAllMidiSlots();
// MIDI-Related Variables
MidiDriver *_midiDriver;
MidiPlaybackSlot _midiSlots[8]; // 0 is for music; 1-7 are for sfx
Common::List<MidiPlaybackSlot*> _midiSlotList; // Sorts midi slots by most recently used
int _loopingMidiTrack;
byte *loadedSoundData;
uint32 _midiDevice;
// VOC-related variables
Audio::SoundHandle _sfxHandles[MAX_SFX_PLAYING];
Audio::SoundHandle _speechHandle;
bool _playingSpeech;
public:
Common::String _loopingAudioName;
private:
// Driver callback
static void midiDriverCallback(void *data);
};
}
#endif