1 | /* |
---|
2 | orxonox - the future of 3D-vertical-scrollers |
---|
3 | |
---|
4 | Copyright (C) 2004 orx |
---|
5 | |
---|
6 | This program is free software; you can redistribute it and/or modify |
---|
7 | it under the terms of the GNU General Public License as published by |
---|
8 | the Free Software Foundation; either version 2, or (at your option) |
---|
9 | any later version. |
---|
10 | |
---|
11 | ### File Specific: |
---|
12 | main-programmer: Benjamin Grauer |
---|
13 | co-programmer: ... |
---|
14 | */ |
---|
15 | |
---|
16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_SOUND |
---|
17 | |
---|
18 | #include "sound_source.h" |
---|
19 | #include "sound_engine.h" |
---|
20 | #include "alincl.h" |
---|
21 | #include "compiler.h" |
---|
22 | |
---|
23 | using namespace std; |
---|
24 | |
---|
25 | /** |
---|
26 | * creates a SoundSource at position sourceNode with the SoundBuffer buffer |
---|
27 | */ |
---|
28 | SoundSource::SoundSource(const PNode* sourceNode, const SoundBuffer* buffer) |
---|
29 | { |
---|
30 | this->setClassID(CL_SOUND_SOURCE, "SoundSource"); |
---|
31 | |
---|
32 | ALenum result; |
---|
33 | |
---|
34 | // adding the Source to the SourcesList of the SoundEngine |
---|
35 | SoundEngine::getInstance()->addSource(this); |
---|
36 | |
---|
37 | this->buffer = buffer; |
---|
38 | this->sourceNode = sourceNode; |
---|
39 | |
---|
40 | alGenSources(1, &this->sourceID); |
---|
41 | if ((result = alGetError()) != AL_NO_ERROR) |
---|
42 | SoundEngine::PrintALErrorString(result); |
---|
43 | if (this->buffer != NULL) |
---|
44 | alSourcei (this->sourceID, AL_BUFFER, this->buffer->getID()); |
---|
45 | alSourcef (this->sourceID, AL_PITCH, 1.0 ); |
---|
46 | alSourcef (this->sourceID, AL_GAIN, SoundEngine::getInstance()->getEffectsVolume() ); |
---|
47 | alSourcei (sourceID, AL_LOOPING, AL_FALSE ); |
---|
48 | } |
---|
49 | |
---|
50 | /** |
---|
51 | * deletes a SoundSource |
---|
52 | */ |
---|
53 | SoundSource::~SoundSource() |
---|
54 | { |
---|
55 | //SoundEngine::getInstance()->removeSource(this); |
---|
56 | alDeleteSources(1, &this->sourceID); |
---|
57 | } |
---|
58 | |
---|
59 | /** |
---|
60 | * Plays back a SoundSource |
---|
61 | */ |
---|
62 | void SoundSource::play() |
---|
63 | { |
---|
64 | alSourcePlay(this->sourceID); |
---|
65 | } |
---|
66 | |
---|
67 | /** |
---|
68 | * Plays back buffer on this Source |
---|
69 | * @param buffer the buffer to play back on this Source |
---|
70 | */ |
---|
71 | void SoundSource::play(const SoundBuffer* buffer) |
---|
72 | { |
---|
73 | alSourceStop(this->sourceID); |
---|
74 | alSourcei (this->sourceID, AL_BUFFER, buffer->getID()); |
---|
75 | alSourcePlay(this->sourceID); |
---|
76 | |
---|
77 | if (unlikely(this->buffer != NULL)) |
---|
78 | alSourcei (this->sourceID, AL_BUFFER, this->buffer->getID()); |
---|
79 | } |
---|
80 | |
---|
81 | /** |
---|
82 | * Stops playback of a SoundSource |
---|
83 | */ |
---|
84 | void SoundSource::stop() |
---|
85 | { |
---|
86 | alSourceStop(this->sourceID); |
---|
87 | } |
---|
88 | |
---|
89 | /** |
---|
90 | * Pauses Playback of a SoundSource |
---|
91 | */ |
---|
92 | void SoundSource::pause() |
---|
93 | { |
---|
94 | alSourcePause(this->sourceID); |
---|
95 | } |
---|
96 | |
---|
97 | /** |
---|
98 | * Rewinds Playback of a SoundSource |
---|
99 | */ |
---|
100 | void SoundSource::rewind() |
---|
101 | { |
---|
102 | alSourceRewind(this->sourceID); |
---|
103 | } |
---|
104 | |
---|
105 | /** |
---|
106 | * sets the RolloffFactor of the Sound emitted from the SoundSource |
---|
107 | * @param rolloffFactor The Factor described |
---|
108 | |
---|
109 | this tells openAL how fast the Sounds decay outward from the Source |
---|
110 | */ |
---|
111 | void SoundSource::setRolloffFactor(ALfloat rolloffFactor) |
---|
112 | { |
---|
113 | alSourcef(this->sourceID, AL_ROLLOFF_FACTOR, rolloffFactor); |
---|
114 | } |
---|
115 | |
---|