[3655] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | ### File Specific: |
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[4195] | 12 | main-programmer: Benjamin Grauer |
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[3655] | 13 | co-programmer: ... |
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| 14 | */ |
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| 15 | |
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| 16 | //#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY |
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| 17 | |
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[4195] | 18 | #include "sound_engine.h" |
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[4197] | 19 | |
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[4196] | 20 | #include "p_node.h" |
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| 21 | #include "list.h" |
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[3655] | 22 | |
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| 23 | using namespace std; |
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| 24 | |
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| 25 | |
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[4197] | 26 | ////////////////// |
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| 27 | /* SOUND-BUFFER */ |
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| 28 | ////////////////// |
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[3655] | 29 | /** |
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[4196] | 30 | \brief Creates a Soundbuffer out of an inputfile |
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| 31 | \param fileName The name of the File |
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| 32 | */ |
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| 33 | SoundBuffer::SoundBuffer(const char* fileName) |
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| 34 | { |
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| 35 | SoundEngine::getInstance()->addBuffer(this); |
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| 36 | |
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| 37 | ALenum format; |
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| 38 | ALvoid* data; |
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| 39 | ALsizei freq; |
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| 40 | |
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| 41 | alGenBuffers(1, &this->bufferID); |
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| 42 | alutLoadWAVFile((ALbyte*)fileName, &format, &data, &this->size, &freq, &this->loop); |
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| 43 | alBufferData(this->bufferID, format, data, this->size, freq); |
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| 44 | alutUnloadWAV(format, data, this->size, freq); |
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| 45 | } |
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| 46 | |
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| 47 | SoundBuffer::~SoundBuffer(void) |
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| 48 | { |
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| 49 | SoundEngine::getInstance()->removeBuffer(this); |
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[4198] | 50 | alDeleteBuffers(1, &this->bufferID); |
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[4196] | 51 | } |
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| 52 | |
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[4197] | 53 | ////////////////// |
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| 54 | /* SOUND-SOURCE */ |
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| 55 | ////////////////// |
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[4196] | 56 | /** |
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| 57 | \brief creates a SoundSource at position sourceNode with the SoundBuffer buffer |
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| 58 | */ |
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| 59 | SoundSource::SoundSource(SoundBuffer* buffer, PNode* sourceNode) |
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| 60 | { |
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| 61 | SoundEngine::getInstance()->addSource(this); |
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| 62 | |
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| 63 | this->buffer = buffer; |
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| 64 | this->sourceNode = sourceNode; |
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[4197] | 65 | |
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| 66 | alGenSources(1, &this->sourceID); |
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| 67 | |
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| 68 | if(alGetError() != AL_NO_ERROR) |
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| 69 | PRINTF(1)("error initializing SoundSource\n"); //return AL_FALSE; |
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| 70 | |
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| 71 | alSourcei (this->sourceID, AL_BUFFER, this->buffer->getID()); |
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| 72 | alSourcef (this->sourceID, AL_PITCH, 1.0 ); |
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| 73 | alSourcef (this->sourceID, AL_GAIN, 1.0 ); |
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| 74 | // alSourcefv(sourceID, AL_POSITION, SourcePos); |
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| 75 | // alSourcefv(sourceID, AL_VELOCITY, SourceVel); |
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[4200] | 76 | alSourcei (sourceID, AL_LOOPING, true ); |
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[4196] | 77 | } |
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| 78 | |
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| 79 | SoundSource::~SoundSource(void) |
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| 80 | { |
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| 81 | SoundEngine::getInstance()->removeSource(this); |
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[4198] | 82 | alDeleteSources(1, &this->sourceID); |
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[4196] | 83 | } |
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| 84 | |
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[4197] | 85 | |
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| 86 | void SoundSource::play() |
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| 87 | { |
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| 88 | alSourcePlay(this->sourceID); |
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| 89 | } |
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| 90 | void SoundSource::stop() |
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| 91 | { |
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| 92 | alSourceStop(this->sourceID); |
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| 93 | } |
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| 94 | void SoundSource::pause() |
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| 95 | { |
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| 96 | alSourcePause(this->sourceID); |
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| 97 | } |
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| 98 | |
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[4200] | 99 | void SoundSource::setRolloffFactor(ALfloat rolloffFactor) |
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| 100 | { |
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| 101 | alSourcef(this->sourceID, AL_ROLLOFF_FACTOR, rolloffFactor); |
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| 102 | } |
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[4197] | 103 | |
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[4200] | 104 | |
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| 105 | |
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[4197] | 106 | ////////////////// |
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| 107 | /* SOUND-ENGINE */ |
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| 108 | ////////////////// |
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[4196] | 109 | /** |
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[3655] | 110 | \brief standard constructor |
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| 111 | */ |
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[4195] | 112 | SoundEngine::SoundEngine () |
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[3655] | 113 | { |
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[4196] | 114 | this->setClassName ("SoundEngine"); |
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| 115 | |
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| 116 | this->initAudio(); |
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[3655] | 117 | |
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[4196] | 118 | this->listener = NULL; |
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| 119 | this->bufferList = new tList<SoundBuffer>; |
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| 120 | this->sourceList = new tList<SoundSource>; |
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[3655] | 121 | } |
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| 122 | |
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| 123 | /** |
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| 124 | \brief the singleton reference to this class |
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| 125 | */ |
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[4195] | 126 | SoundEngine* SoundEngine::singletonRef = NULL; |
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[3655] | 127 | |
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| 128 | /** |
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| 129 | \returns a Pointer to this Class |
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| 130 | */ |
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[4195] | 131 | SoundEngine* SoundEngine::getInstance(void) |
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[3655] | 132 | { |
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[4195] | 133 | if (!SoundEngine::singletonRef) |
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| 134 | SoundEngine::singletonRef = new SoundEngine(); |
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| 135 | return SoundEngine::singletonRef; |
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[3655] | 136 | } |
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| 137 | |
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| 138 | /** |
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| 139 | \brief standard deconstructor |
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| 140 | |
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| 141 | */ |
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[4195] | 142 | SoundEngine::~SoundEngine () |
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[3655] | 143 | { |
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[4195] | 144 | SoundEngine::singletonRef = NULL; |
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[3655] | 145 | |
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| 146 | } |
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[4196] | 147 | |
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| 148 | /** |
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| 149 | \brief sets The listener (normaly the Camera) |
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| 150 | */ |
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| 151 | void SoundEngine::setListener(PNode* listener) |
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| 152 | { |
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| 153 | this->listener = listener; |
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| 154 | } |
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| 155 | |
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| 156 | |
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| 157 | void SoundEngine::addBuffer(SoundBuffer* buffer) |
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| 158 | { |
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| 159 | this->bufferList->add(buffer); |
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| 160 | } |
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| 161 | |
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| 162 | void SoundEngine::removeBuffer(SoundBuffer* buffer) |
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| 163 | { |
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| 164 | this->bufferList->remove(buffer); |
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| 165 | } |
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| 166 | |
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| 167 | void SoundEngine::addSource(SoundSource* source) |
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| 168 | { |
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| 169 | this->sourceList->add(source); |
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| 170 | } |
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| 171 | void SoundEngine::removeSource(SoundSource* source) |
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| 172 | { |
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| 173 | this->sourceList->remove(source); |
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| 174 | } |
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| 175 | |
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| 176 | |
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| 177 | /** |
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| 178 | \brief updates all The positions, Directions and Velocities of all Sounds |
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| 179 | */ |
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| 180 | void SoundEngine::update(void) |
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| 181 | { |
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| 182 | |
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| 183 | // updating the Listeners Position |
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| 184 | if (this->listener) |
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| 185 | { |
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| 186 | alListener3f(AL_POSITION, |
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| 187 | this->listener->getAbsCoor().x, |
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| 188 | this->listener->getAbsCoor().y, |
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| 189 | this->listener->getAbsCoor().z); |
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| 190 | alListener3f(AL_VELOCITY, |
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| 191 | this->listener->getVelocity().x, |
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| 192 | this->listener->getVelocity().y, |
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| 193 | this->listener->getVelocity().z); |
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| 194 | Vector absDirV = this->listener->getAbsDirV(); |
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[4198] | 195 | ALfloat orientation [6] = {1,0,0, absDirV.x, absDirV.y, absDirV.z}; |
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| 196 | alListenerfv(AL_ORIENTATION, orientation); |
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[4196] | 197 | } |
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[4197] | 198 | else |
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| 199 | PRINTF(2)("no listener defined\n"); |
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| 200 | |
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[4196] | 201 | // updating all the Sources positions |
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| 202 | tIterator<SoundSource>* iterator = this->sourceList->getIterator(); |
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| 203 | SoundSource* enumSource = iterator->nextElement(); |
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| 204 | while (enumSource) |
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| 205 | { |
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| 206 | alSource3f(enumSource->getID(), AL_POSITION, |
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| 207 | enumSource->getNode()->getAbsCoor().x, |
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| 208 | enumSource->getNode()->getAbsCoor().y, |
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| 209 | enumSource->getNode()->getAbsCoor().z); |
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| 210 | alSource3f(enumSource->getID(), AL_VELOCITY, |
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| 211 | enumSource->getNode()->getVelocity().x, |
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| 212 | enumSource->getNode()->getVelocity().y, |
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| 213 | enumSource->getNode()->getVelocity().z); |
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| 214 | |
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| 215 | enumSource = iterator->nextElement(); |
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| 216 | } |
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| 217 | delete iterator; |
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| 218 | } |
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| 219 | |
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| 220 | /** |
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| 221 | \brief initializes Audio in general |
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| 222 | */ |
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| 223 | bool SoundEngine::initAudio(void) |
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| 224 | { |
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| 225 | alutInit(NULL, 0); |
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| 226 | alGetError(); |
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[4200] | 227 | |
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| 228 | alDopplerFactor(SOUND_DOPPLER_FACTOR); |
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| 229 | alDopplerVelocity(SOUND_DOPPLER_VELOCITY); |
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[4196] | 230 | } |
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| 231 | |
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