1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/* 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.
*
*/
/*
* This code is based on Labyrinth of Time code with assistance of
*
* Copyright (c) 1993 Terra Nova Development
* Copyright (c) 2004 The Wyrmkeep Entertainment Co.
*
*/
#ifndef LAB_MUSIC_H
#define LAB_MUSIC_H
#include "common/file.h"
#include "audio/mixer.h"
#include "audio/audiostream.h"
namespace Lab {
class LabEngine;
//---------------------------
//----- From LabMusic.c -----
//---------------------------
#define MAXBUFFERS 5
class Music {
private:
LabEngine *_vm;
Common::File *_file;
Common::File *_tFile;
bool _musicOn;
bool _musicPaused;
bool _oldMusicOn;
uint16 _curRoomMusic ;
uint32 _tLeftInFile;
uint32 _leftInFile;
Audio::SoundHandle _musicHandle;
Audio::SoundHandle _sfxHandle;
Audio::QueuingAudioStream *_queuingAudioStream;
private:
byte *fillBuffer();
uint16 getPlayingBufferCount();
/**
* Pauses the background music.
*/
void pauseBackMusic();
void readSound(bool waitTillFinished, bool loop, Common::File *file);
/**
* Starts up the music initially.
*/
void startMusic(bool restartFl);
byte getSoundFlags();
public:
Music(LabEngine *vm);
/**
* Changes the background music to something else.
*/
void changeMusic(const Common::String filename);
/**
* Checks the music that should be playing in a particular room.
*/
void checkRoomMusic();
/**
* Frees up the music buffers and closes the file.
*/
void freeMusic();
/**
* Initializes the music buffers.
*/
bool initMusic(const Common::String filename);
bool isSoundEffectActive() const;
void playSoundEffect(uint16 sampleSpeed, uint32 length, bool loop, Common::File *dataFile);
/**
* Reads in a music file. Ignores any graphics.
*/
bool readMusic(const Common::String filename, bool loop, bool waitTillFinished);
/**
* Changes the background music to the original piece playing.
*/
void resetMusic();
/**
* Resumes the paused background music.
*/
void resumeBackMusic();
/**
* Turns the music on and off.
*/
void setMusic(bool on);
void stopSoundEffect();
/**
* Figures out which buffer is currently playing based on messages sent to
* it from the Audio device.
*/
void updateMusic();
};
} // End of namespace Lab
#endif // LAB_MUSIC_H
|
