[4597] | 1 | /* |
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[4504] | 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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| 12 | main-programmer: Benjamin Grauer |
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| 13 | co-programmer: ... |
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| 14 | |
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| 15 | code has been taken from http://www.devmaster.net/articles.php?catID=6 |
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| 16 | The code has been applied to our needs, and many things have been changed. |
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| 17 | */ |
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| 18 | |
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| 19 | //#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY |
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| 20 | |
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| 21 | #include "sound_engine.h" |
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| 22 | |
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| 23 | //#include <AL/alc.h> // maybe later |
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[4960] | 24 | #include "class_list.h" |
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[4504] | 25 | |
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| 26 | #include "p_node.h" |
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| 27 | #include "list.h" |
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| 28 | #include "resource_manager.h" |
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| 29 | #include "debug.h" |
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| 30 | |
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| 31 | using namespace std; |
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| 32 | |
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| 33 | |
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| 34 | ////////////////// |
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| 35 | /* SOUND-BUFFER */ |
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| 36 | ////////////////// |
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| 37 | /** |
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[4836] | 38 | * Creates a Soundbuffer out of an inputfile |
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| 39 | * @param fileName The name of the File |
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[4504] | 40 | */ |
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| 41 | SoundBuffer::SoundBuffer(const char* fileName) |
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| 42 | { |
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[4597] | 43 | this->setClassID(CL_SOUND_BUFFER, "SoundBuffer"); |
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| 44 | this->setName(fileName); |
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| 45 | |
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[4504] | 46 | SoundEngine::getInstance()->addBuffer(this); |
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| 47 | |
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| 48 | ALenum format; |
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| 49 | ALvoid* data; |
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| 50 | ALsizei freq; |
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[4597] | 51 | |
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[4504] | 52 | ALenum result; |
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| 53 | |
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| 54 | // generate a Buffer |
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| 55 | alGenBuffers(1, &this->bufferID); |
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| 56 | if ((result = alGetError()) != AL_NO_ERROR) |
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| 57 | SoundEngine::PrintALErrorString(result); |
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| 58 | |
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| 59 | // read in the wav data |
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[4601] | 60 | /* according to http://www.edenwaith.com/products/pige/tutorials/openal.php the alutLoadWAVFile differs from platform to platform*/ |
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[4605] | 61 | #ifdef __APPLE__ |
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| 62 | alutLoadWAVFile(fileName, &format, &data, &this->size, &freq); |
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[4601] | 63 | #elifdef __WIN32__ |
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| 64 | alutLoadWAVFile(fileName, &format, &data, &size, &freq, &this->loop); |
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[4605] | 65 | #else |
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| 66 | alutLoadWAVFile((ALbyte*)fileName, &format, &data, &this->size, &freq, &this->loop); |
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[4601] | 67 | #endif |
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[4504] | 68 | if ((result = alGetError()) != AL_NO_ERROR) |
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| 69 | SoundEngine::PrintALErrorString(result); |
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[4597] | 70 | |
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[4504] | 71 | // send the loaded wav data to the buffer |
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| 72 | alBufferData(this->bufferID, format, data, this->size, freq); |
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| 73 | if ((result = alGetError()) != AL_NO_ERROR) |
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| 74 | SoundEngine::PrintALErrorString(result); |
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| 75 | |
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| 76 | // remove the wav data (redundant) |
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| 77 | alutUnloadWAV(format, data, this->size, freq); |
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| 78 | if ((result = alGetError()) != AL_NO_ERROR) |
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| 79 | SoundEngine::PrintALErrorString(result); |
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| 80 | } |
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| 81 | |
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[4746] | 82 | SoundBuffer::~SoundBuffer() |
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[4504] | 83 | { |
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[4960] | 84 | // SoundEngine::getInstance()->removeBuffer(this); |
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[4504] | 85 | alDeleteBuffers(1, &this->bufferID); |
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| 86 | } |
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| 87 | |
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| 88 | ////////////////// |
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| 89 | /* SOUND-SOURCE */ |
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| 90 | ////////////////// |
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| 91 | /** |
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[4836] | 92 | * creates a SoundSource at position sourceNode with the SoundBuffer buffer |
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[4504] | 93 | */ |
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[4885] | 94 | SoundSource::SoundSource(const PNode* sourceNode, const SoundBuffer* buffer) |
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[4504] | 95 | { |
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[4597] | 96 | this->setClassID(CL_SOUND_SOURCE, "SoundSource"); |
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| 97 | |
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[4504] | 98 | ALenum result; |
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| 99 | |
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| 100 | // adding the Source to the SourcesList of the SoundEngine |
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| 101 | SoundEngine::getInstance()->addSource(this); |
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| 102 | |
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| 103 | this->buffer = buffer; |
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| 104 | this->sourceNode = sourceNode; |
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| 105 | |
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| 106 | alGenSources(1, &this->sourceID); |
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| 107 | if ((result = alGetError()) != AL_NO_ERROR) |
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| 108 | SoundEngine::PrintALErrorString(result); |
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[4885] | 109 | if (this->buffer != NULL) |
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| 110 | alSourcei (this->sourceID, AL_BUFFER, this->buffer->getID()); |
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[4504] | 111 | alSourcef (this->sourceID, AL_PITCH, 1.0 ); |
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| 112 | alSourcef (this->sourceID, AL_GAIN, 1.0 ); |
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| 113 | alSourcei (sourceID, AL_LOOPING, AL_FALSE ); |
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| 114 | } |
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| 115 | |
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| 116 | /** |
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[4836] | 117 | * deletes a SoundSource |
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[4504] | 118 | */ |
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[4746] | 119 | SoundSource::~SoundSource() |
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[4504] | 120 | { |
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[4960] | 121 | //SoundEngine::getInstance()->removeSource(this); |
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[4504] | 122 | alDeleteSources(1, &this->sourceID); |
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| 123 | } |
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| 124 | |
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| 125 | /** |
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[4836] | 126 | * Plays back a SoundSource |
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[4504] | 127 | */ |
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| 128 | void SoundSource::play() |
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| 129 | { |
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| 130 | alSourcePlay(this->sourceID); |
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| 131 | } |
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| 132 | |
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| 133 | /** |
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[4885] | 134 | * Plays back buffer on this Source |
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| 135 | * @param buffer the buffer to play back on this Source |
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| 136 | */ |
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| 137 | void SoundSource::play(const SoundBuffer* buffer) |
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| 138 | { |
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| 139 | alSourcei (this->sourceID, AL_BUFFER, buffer->getID()); |
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| 140 | alSourcePlay(this->sourceID); |
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| 141 | |
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| 142 | if (unlikely(this->buffer != NULL)) |
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| 143 | alSourcei (this->sourceID, AL_BUFFER, this->buffer->getID()); |
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| 144 | } |
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| 145 | |
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| 146 | /** |
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[4836] | 147 | * Stops playback of a SoundSource |
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[4504] | 148 | */ |
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| 149 | void SoundSource::stop() |
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| 150 | { |
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| 151 | alSourceStop(this->sourceID); |
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| 152 | } |
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| 153 | |
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| 154 | /** |
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[4836] | 155 | * Pauses Playback of a SoundSource |
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[4504] | 156 | */ |
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| 157 | void SoundSource::pause() |
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| 158 | { |
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| 159 | alSourcePause(this->sourceID); |
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| 160 | } |
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| 161 | |
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| 162 | /** |
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[4836] | 163 | * Rewinds Playback of a SoundSource |
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[4504] | 164 | */ |
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| 165 | void SoundSource::rewind() |
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| 166 | { |
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| 167 | alSourceRewind(this->sourceID); |
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| 168 | } |
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| 169 | |
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| 170 | /** |
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[4836] | 171 | * sets the RolloffFactor of the Sound emitted from the SoundSource |
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| 172 | * @param rolloffFactor The Factor described |
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[4504] | 173 | |
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| 174 | this tells openAL how fast the Sounds decay outward from the Source |
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| 175 | */ |
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| 176 | void SoundSource::setRolloffFactor(ALfloat rolloffFactor) |
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| 177 | { |
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| 178 | alSourcef(this->sourceID, AL_ROLLOFF_FACTOR, rolloffFactor); |
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| 179 | } |
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| 180 | |
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| 181 | |
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| 182 | |
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| 183 | ////////////////// |
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| 184 | /* SOUND-ENGINE */ |
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| 185 | ////////////////// |
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| 186 | /** |
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[4836] | 187 | * standard constructor |
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[4504] | 188 | */ |
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[4597] | 189 | SoundEngine::SoundEngine () |
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[4504] | 190 | { |
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[4597] | 191 | this->setClassID(CL_SOUND_ENGINE, "SoundEngine"); |
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| 192 | this->setName("SoundEngine"); |
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| 193 | |
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[4504] | 194 | this->listener = NULL; |
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[4960] | 195 | this->bufferList = NULL; |
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| 196 | this->sourceList = NULL; |
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[4504] | 197 | } |
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| 198 | |
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| 199 | /** |
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[4836] | 200 | * the singleton reference to this class |
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[4504] | 201 | */ |
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| 202 | SoundEngine* SoundEngine::singletonRef = NULL; |
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| 203 | |
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| 204 | /** |
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[4836] | 205 | * standard deconstructor |
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[4504] | 206 | |
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| 207 | */ |
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[4597] | 208 | SoundEngine::~SoundEngine () |
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[4504] | 209 | { |
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| 210 | SoundEngine::singletonRef = NULL; |
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| 211 | |
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| 212 | // deleting all the SoundSources |
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[4960] | 213 | if(this->sourceList != NULL) |
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| 214 | { |
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| 215 | tIterator<BaseObject>* sourceIterator = this->sourceList->getIterator(); |
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| 216 | SoundSource* enumSource = (SoundSource*)sourceIterator->nextElement(); |
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| 217 | while (enumSource) |
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[4504] | 218 | { |
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[4960] | 219 | delete enumSource; |
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| 220 | enumSource = (SoundSource*)sourceIterator->nextElement(); |
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[4504] | 221 | } |
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[4960] | 222 | delete sourceIterator; |
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| 223 | } |
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[4504] | 224 | |
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| 225 | // deleting all the SoundBuffers |
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[4960] | 226 | if (this->bufferList != NULL) |
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| 227 | { |
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| 228 | tIterator<BaseObject>* bufferIterator = this->bufferList->getIterator(); |
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| 229 | SoundBuffer* enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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| 230 | while (enumBuffer) |
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[4504] | 231 | { |
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| 232 | ResourceManager::getInstance()->unload(enumBuffer); |
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[4960] | 233 | enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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[4504] | 234 | } |
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[4960] | 235 | delete bufferIterator; |
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| 236 | } |
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[4504] | 237 | // removing openAL from AudioResource |
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| 238 | alutExit(); |
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| 239 | } |
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| 240 | |
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| 241 | /** |
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[4836] | 242 | * creates a new SoundSource. |
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| 243 | * @param fileName The Name to load the SoundBuffer from |
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| 244 | * @param sourceNode The sourceNode to bind this SoundSource to. |
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| 245 | * @returns The newly created SoundSource |
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[4504] | 246 | |
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| 247 | acctualy this is nothing more than a wrapper around the ResourceManager. |
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| 248 | */ |
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| 249 | SoundSource* SoundEngine::createSource(const char* fileName, PNode* sourceNode) |
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| 250 | { |
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[4885] | 251 | return new SoundSource(sourceNode, (SoundBuffer*)ResourceManager::getInstance()->load(fileName, WAV, RP_LEVEL)); |
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[4504] | 252 | } |
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| 253 | |
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| 254 | /** |
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[4836] | 255 | * Sets the doppler values of openAL |
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| 256 | * @param dopplerFactor the extent of the doppler-effect |
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| 257 | * @param dopplerVelocity the Speed the sound travels |
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[4504] | 258 | */ |
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| 259 | void SoundEngine::setDopplerValues(ALfloat dopplerFactor, ALfloat dopplerVelocity) |
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| 260 | { |
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| 261 | alDopplerFactor(dopplerFactor); |
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| 262 | alDopplerVelocity(dopplerVelocity); |
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| 263 | } |
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| 264 | |
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| 265 | |
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| 266 | /** |
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[4836] | 267 | * adds a SoundBuffer to the bufferList of the SoundEngine |
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| 268 | * @param buffer The buffer to add to the bufferList |
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[4504] | 269 | */ |
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| 270 | void SoundEngine::addBuffer(SoundBuffer* buffer) |
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| 271 | { |
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[4960] | 272 | if (unlikely(this->bufferList == NULL)) |
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| 273 | this->bufferList = ClassList::getList(CL_SOUND_BUFFER); |
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[4504] | 274 | } |
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| 275 | |
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| 276 | /** |
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[4836] | 277 | * removes a SoundBuffer from the bufferList of the SoundEngine |
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| 278 | * @param buffer The buffer to delete from the SoundEngine |
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[4504] | 279 | */ |
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| 280 | void SoundEngine::removeBuffer(SoundBuffer* buffer) |
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| 281 | { |
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| 282 | // look if there are any sources that have the buffer still loaded |
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[4960] | 283 | tIterator<BaseObject>* sourceIterator = this->sourceList->getIterator(); |
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| 284 | SoundSource* enumSource = (SoundSource*)sourceIterator->nextElement(); |
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[4504] | 285 | while (enumSource) |
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| 286 | { |
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| 287 | if (buffer == enumSource->getBuffer()) |
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[4597] | 288 | delete enumSource; |
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[4960] | 289 | enumSource = (SoundSource*)sourceIterator->nextElement(); |
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[4504] | 290 | } |
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| 291 | delete sourceIterator; |
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| 292 | } |
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| 293 | |
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| 294 | /** |
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[4836] | 295 | * adds a SoundSource to the sourceList of the SoundEngine |
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| 296 | * @param source The source to add to the sourceList |
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[4504] | 297 | */ |
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| 298 | void SoundEngine::addSource(SoundSource* source) |
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| 299 | { |
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[4960] | 300 | this->sourceList = ClassList::getList(CL_SOUND_SOURCE); |
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[4504] | 301 | } |
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| 302 | |
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| 303 | /** |
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[4836] | 304 | * updates all The positions, Directions and Velocities of all Sounds |
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[4504] | 305 | */ |
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[4746] | 306 | void SoundEngine::update() |
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[4504] | 307 | { |
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| 308 | |
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| 309 | // updating the Listeners Position |
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| 310 | if (likely(this->listener != NULL)) |
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| 311 | { |
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| 312 | alListener3f(AL_POSITION, |
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[4597] | 313 | this->listener->getAbsCoor().x, |
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| 314 | this->listener->getAbsCoor().y, |
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| 315 | this->listener->getAbsCoor().z); |
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[4504] | 316 | alListener3f(AL_VELOCITY, |
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[4597] | 317 | this->listener->getVelocity().x, |
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| 318 | this->listener->getVelocity().y, |
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| 319 | this->listener->getVelocity().z); |
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[4504] | 320 | Vector absDirV = this->listener->getAbsDirV(); |
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| 321 | ALfloat orientation [6] = {1,0,0, absDirV.x, absDirV.y, absDirV.z}; |
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| 322 | alListenerfv(AL_ORIENTATION, orientation); |
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| 323 | } |
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| 324 | else |
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| 325 | PRINTF(2)("no listener defined\n"); |
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| 326 | |
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| 327 | // updating all the Sources positions |
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[4960] | 328 | if (likely(this->sourceList != NULL)) |
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| 329 | { |
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| 330 | tIterator<BaseObject>* iterator = this->sourceList->getIterator(); |
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| 331 | SoundSource* enumSource = (SoundSource*)iterator->nextElement(); |
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| 332 | while (enumSource) |
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[4504] | 333 | { |
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| 334 | if (likely(enumSource->getNode()!=NULL)) |
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| 335 | { |
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[4597] | 336 | alSource3f(enumSource->getID(), AL_POSITION, |
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| 337 | enumSource->getNode()->getAbsCoor().x, |
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| 338 | enumSource->getNode()->getAbsCoor().y, |
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| 339 | enumSource->getNode()->getAbsCoor().z); |
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| 340 | alSource3f(enumSource->getID(), AL_VELOCITY, |
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| 341 | enumSource->getNode()->getVelocity().x, |
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| 342 | enumSource->getNode()->getVelocity().y, |
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| 343 | enumSource->getNode()->getVelocity().z); |
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[4504] | 344 | } |
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[4960] | 345 | enumSource = (SoundSource*)iterator->nextElement(); |
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[4504] | 346 | } |
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[4960] | 347 | delete iterator; |
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| 348 | } |
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[4504] | 349 | } |
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| 350 | |
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| 351 | /** |
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[4836] | 352 | * Removes all the Buffers that are not anymore needed by any Sources |
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[4504] | 353 | */ |
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[4746] | 354 | void SoundEngine::flushUnusedBuffers() |
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[4504] | 355 | { |
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[4960] | 356 | if(this->sourceList && this->bufferList) |
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| 357 | { |
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| 358 | tIterator<BaseObject>* bufferIterator = this->bufferList->getIterator(); |
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| 359 | SoundBuffer* enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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| 360 | while (enumBuffer) |
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[4504] | 361 | { |
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[4960] | 362 | tIterator<BaseObject>* sourceIterator = this->sourceList->getIterator(); |
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| 363 | SoundSource* enumSource = (SoundSource*)sourceIterator->nextElement(); |
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[4504] | 364 | while (enumSource) |
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[4960] | 365 | { |
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| 366 | if (enumBuffer == enumSource->getBuffer()) |
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| 367 | break; |
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| 368 | enumSource = (SoundSource*)sourceIterator->nextElement(); |
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| 369 | } |
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[4504] | 370 | delete sourceIterator; |
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| 371 | if (enumSource == NULL) |
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[4597] | 372 | ResourceManager::getInstance()->unload(enumBuffer); |
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[4960] | 373 | enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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[4504] | 374 | } |
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[4960] | 375 | delete bufferIterator; |
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| 376 | } |
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[4504] | 377 | } |
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| 378 | |
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| 379 | /** |
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[4836] | 380 | * SourceEngine::flushAllBuffers |
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[4504] | 381 | */ |
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[4746] | 382 | void SoundEngine::flushAllBuffers() |
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[4504] | 383 | { |
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[4960] | 384 | if (this->bufferList) |
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| 385 | { |
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| 386 | tIterator<BaseObject>* bufferIterator = this->bufferList->getIterator(); |
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| 387 | SoundBuffer* enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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| 388 | while (enumBuffer) |
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[4504] | 389 | { |
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| 390 | ResourceManager::getInstance()->unload(enumBuffer, RP_LEVEL); |
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[4960] | 391 | enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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[4504] | 392 | } |
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[4960] | 393 | delete bufferIterator; |
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| 394 | } |
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[4504] | 395 | } |
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| 396 | |
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| 397 | /** |
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[4836] | 398 | * SourceEngine::flushAllBuffers |
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[4830] | 399 | */ |
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| 400 | void SoundEngine::flushAllSources() |
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| 401 | { |
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[4960] | 402 | if (this->sourceList) |
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[4830] | 403 | { |
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[4960] | 404 | tIterator<BaseObject>* Iterator = this->sourceList->getIterator(); |
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| 405 | SoundSource* enumSource = (SoundSource*)Iterator->nextElement(); |
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| 406 | while (enumSource) |
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| 407 | { |
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| 408 | delete enumSource; |
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| 409 | enumSource = (SoundSource*)Iterator->nextElement(); |
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| 410 | } |
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| 411 | delete Iterator; |
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[4830] | 412 | } |
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| 413 | } |
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| 414 | |
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| 415 | /** |
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[4836] | 416 | * initializes Audio in general |
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[4504] | 417 | */ |
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[4746] | 418 | bool SoundEngine::initAudio() |
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[4504] | 419 | { |
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| 420 | ALenum result; |
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| 421 | |
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| 422 | PRINTF(3)("Initialisazing openAL sound library\n"); |
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| 423 | |
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| 424 | alutInit(NULL, 0); |
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| 425 | if ((result = alGetError()) != AL_NO_ERROR) |
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| 426 | SoundEngine::PrintALErrorString(result); |
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| 427 | |
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| 428 | this->setDopplerValues(SOUND_DOPPLER_FACTOR, SOUND_DOPPLER_VELOCITY); |
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| 429 | } |
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| 430 | |
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| 431 | /** |
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[4836] | 432 | * Transforms AL-errors into something readable |
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| 433 | * @param err The error found |
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[4504] | 434 | */ |
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| 435 | void SoundEngine::PrintALErrorString(ALenum err) |
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| 436 | { |
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| 437 | switch(err) |
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| 438 | { |
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| 439 | case AL_NO_ERROR: |
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| 440 | PRINTF(4)("AL_NO_ERROR\n"); |
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| 441 | break; |
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[4597] | 442 | |
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[4504] | 443 | case AL_INVALID_NAME: |
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| 444 | PRINTF(2)("AL_INVALID_NAME\n"); |
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| 445 | break; |
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| 446 | |
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| 447 | case AL_INVALID_ENUM: |
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| 448 | PRINTF(2)("AL_INVALID_ENUM\n"); |
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| 449 | break; |
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| 450 | |
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| 451 | case AL_INVALID_VALUE: |
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| 452 | PRINTF(2)("AL_INVALID_VALUE\n"); |
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| 453 | break; |
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| 454 | |
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| 455 | case AL_INVALID_OPERATION: |
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| 456 | PRINTF(2)("AL_INVALID_OPERATION\n"); |
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| 457 | break; |
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| 458 | |
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| 459 | case AL_OUT_OF_MEMORY: |
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| 460 | PRINTF(2)("AL_OUT_OF_MEMORY\n"); |
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| 461 | break; |
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| 462 | }; |
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| 463 | } |
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| 464 | |
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[4959] | 465 | void SoundEngine::listDevices() |
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| 466 | { |
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| 467 | |
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| 468 | printf("%s\n",(const char*)alcGetString(NULL, ALC_DEVICE_SPECIFIER)); |
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| 469 | } |
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| 470 | |
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[4504] | 471 | /* |
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| 472 | void SoundEngine::PrintALCErrorString(ALenum err) |
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| 473 | { |
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| 474 | switch(err) |
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| 475 | { |
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| 476 | case ALC_NO_ERROR: |
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| 477 | PRINTF(4)("AL_NO_ERROR\n"); |
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| 478 | break; |
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| 479 | |
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| 480 | case ALC_INVALID_DEVICE: |
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| 481 | PRINTF(2)("ALC_INVALID_DEVICE\n"); |
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| 482 | break; |
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| 483 | |
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| 484 | case ALC_INVALID_CONTEXT: |
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| 485 | PRINTF(2)("ALC_INVALID_CONTEXT\n"); |
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| 486 | break; |
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| 487 | |
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| 488 | case ALC_INVALID_ENUM: |
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| 489 | PRINTF(2)("ALC_INVALID_ENUM\n"); |
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| 490 | break; |
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| 491 | |
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| 492 | case ALC_INVALID_VALUE: |
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| 493 | PRINTF(2)("ALC_INVALID_VALUE\n"); |
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| 494 | break; |
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| 495 | |
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| 496 | case ALC_OUT_OF_MEMORY: |
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| 497 | PRINTF(2)("ALC_OUT_OF_MEMORY\n"); |
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| 498 | break; |
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| 499 | }; |
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| 500 | } |
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| 501 | */ |
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