scummvm/engines/sword1/sound.h
2013-05-14 21:51:25 +01:00

137 lines
3.5 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 SWORD1_SOUND_H
#define SWORD1_SOUND_H
#include "sword1/object.h"
#include "sword1/sworddefs.h"
#include "common/file.h"
#include "common/util.h"
#include "common/random.h"
#include "audio/mixer.h"
namespace Audio {
class Mixer;
}
namespace Sword1 {
#define TOTAL_FX_PER_ROOM 7 // total loop & random fx per room (see fx_list.c)
#define MAX_ROOMS_PER_FX 7 // max no. of rooms in the fx's room,vol list
#define MAX_FXQ_LENGTH 32 // max length of sound queue - ie. max number of fx that can be stored up/playing together
#define FX_SPOT 1
#define FX_LOOP 2
#define FX_RANDOM 3
struct QueueElement {
uint32 id, delay;
Audio::SoundHandle handle;
};
struct RoomVol {
int32 roomNo, leftVol, rightVol;
};
struct SampleId {
byte cluster;
byte idStd;
byte idWinDemo;
};
struct FxDef {
SampleId sampleId;
uint32 type, delay;
RoomVol roomVolList[MAX_ROOMS_PER_FX];
};
class ResMan;
#define WAVE_VOL_TAB_LENGTH 480
#define WAVE_VOL_THRESHOLD 190000 //120000
enum CowMode {
CowWave = 0,
CowFLAC,
CowVorbis,
CowMP3,
CowDemo,
CowPSX
};
class Sound {
public:
Sound(Audio::Mixer *mixer, ResMan *pResMan);
~Sound();
void setSpeechVol(uint8 volL, uint8 volR) { _speechVolL = volL; _speechVolR = volR; }
void setSfxVol(uint8 volL, uint8 volR) { _sfxVolL = volL; _sfxVolR = volR; }
void giveSpeechVol(uint8 *volL, uint8 *volR) { *volL = _speechVolL; *volR = _speechVolR; }
void giveSfxVol(uint8 *volL, uint8 *volR) { *volL = _sfxVolL; *volR = _sfxVolR; }
void newScreen(uint32 screen);
void quitScreen();
void closeCowSystem();
bool startSpeech(uint16 roomNo, uint16 localNo);
bool speechFinished();
void stopSpeech();
bool amISpeaking();
void fnStopFx(int32 fxNo);
int addToQueue(int32 fxNo);
void engine();
void checkSpeechFileEndianness();
private:
uint8 _sfxVolL, _sfxVolR, _speechVolL, _speechVolR;
void playSample(QueueElement *elem);
void initCowSystem();
uint32 getSampleId(int32 fxNo);
int16 *uncompressSpeech(uint32 index, uint32 cSize, uint32 *size);
void calcWaveVolume(int16 *data, uint32 length);
bool _waveVolume[WAVE_VOL_TAB_LENGTH];
uint16 _waveVolPos;
Common::File _cowFile;
uint32 *_cowHeader;
uint32 _cowHeaderSize;
uint8 _currentCowFile;
CowMode _cowMode;
Audio::SoundHandle _speechHandle, _fxHandle;
Common::RandomSource _rnd;
QueueElement _fxQueue[MAX_FXQ_LENGTH];
uint8 _endOfQueue;
Audio::Mixer *_mixer;
ResMan *_resMan;
bool _bigEndianSpeech;
static const char _musicList[270];
static const uint16 _roomsFixedFx[TOTAL_ROOMS][TOTAL_FX_PER_ROOM];
static const FxDef _fxList[312];
};
} // End of namespace Sword1
#endif //BSSOUND_H