[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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[4985] | 30 | #include "ini_parser.h" |
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[4504] | 31 | |
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| 32 | using namespace std; |
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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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[4985] | 112 | alSourcef (this->sourceID, AL_GAIN, SoundEngine::getInstance()->getEffectsVolume() ); |
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[4504] | 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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[4984] | 139 | alSourceStop(this->sourceID); |
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[4885] | 140 | alSourcei (this->sourceID, AL_BUFFER, buffer->getID()); |
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| 141 | alSourcePlay(this->sourceID); |
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| 142 | |
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| 143 | if (unlikely(this->buffer != NULL)) |
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| 144 | alSourcei (this->sourceID, AL_BUFFER, this->buffer->getID()); |
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| 145 | } |
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| 146 | |
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| 147 | /** |
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[4836] | 148 | * Stops playback of a SoundSource |
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[4504] | 149 | */ |
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| 150 | void SoundSource::stop() |
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| 151 | { |
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| 152 | alSourceStop(this->sourceID); |
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| 153 | } |
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| 154 | |
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| 155 | /** |
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[4836] | 156 | * Pauses Playback of a SoundSource |
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[4504] | 157 | */ |
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| 158 | void SoundSource::pause() |
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| 159 | { |
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| 160 | alSourcePause(this->sourceID); |
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| 161 | } |
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| 162 | |
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| 163 | /** |
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[4836] | 164 | * Rewinds Playback of a SoundSource |
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[4504] | 165 | */ |
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| 166 | void SoundSource::rewind() |
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| 167 | { |
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| 168 | alSourceRewind(this->sourceID); |
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| 169 | } |
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| 170 | |
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| 171 | /** |
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[4836] | 172 | * sets the RolloffFactor of the Sound emitted from the SoundSource |
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| 173 | * @param rolloffFactor The Factor described |
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[4504] | 174 | |
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| 175 | this tells openAL how fast the Sounds decay outward from the Source |
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| 176 | */ |
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| 177 | void SoundSource::setRolloffFactor(ALfloat rolloffFactor) |
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| 178 | { |
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| 179 | alSourcef(this->sourceID, AL_ROLLOFF_FACTOR, rolloffFactor); |
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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 | ////////////////// |
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| 185 | /* SOUND-ENGINE */ |
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| 186 | ////////////////// |
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| 187 | /** |
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[4836] | 188 | * standard constructor |
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[4504] | 189 | */ |
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[4597] | 190 | SoundEngine::SoundEngine () |
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[4504] | 191 | { |
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[4597] | 192 | this->setClassID(CL_SOUND_ENGINE, "SoundEngine"); |
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| 193 | this->setName("SoundEngine"); |
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| 194 | |
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[4504] | 195 | this->listener = NULL; |
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[4960] | 196 | this->bufferList = NULL; |
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| 197 | this->sourceList = NULL; |
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[4504] | 198 | } |
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| 199 | |
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| 200 | /** |
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[4836] | 201 | * the singleton reference to this class |
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[4504] | 202 | */ |
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| 203 | SoundEngine* SoundEngine::singletonRef = NULL; |
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| 204 | |
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| 205 | /** |
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[4836] | 206 | * standard deconstructor |
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[4504] | 207 | |
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| 208 | */ |
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[4597] | 209 | SoundEngine::~SoundEngine () |
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[4504] | 210 | { |
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| 211 | SoundEngine::singletonRef = NULL; |
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| 212 | |
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| 213 | // deleting all the SoundSources |
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[4960] | 214 | if(this->sourceList != NULL) |
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| 215 | { |
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| 216 | tIterator<BaseObject>* sourceIterator = this->sourceList->getIterator(); |
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| 217 | SoundSource* enumSource = (SoundSource*)sourceIterator->nextElement(); |
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| 218 | while (enumSource) |
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[4504] | 219 | { |
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[4960] | 220 | delete enumSource; |
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| 221 | enumSource = (SoundSource*)sourceIterator->nextElement(); |
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[4504] | 222 | } |
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[4960] | 223 | delete sourceIterator; |
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| 224 | } |
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[4504] | 225 | |
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| 226 | // deleting all the SoundBuffers |
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[4960] | 227 | if (this->bufferList != NULL) |
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| 228 | { |
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| 229 | tIterator<BaseObject>* bufferIterator = this->bufferList->getIterator(); |
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| 230 | SoundBuffer* enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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| 231 | while (enumBuffer) |
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[4504] | 232 | { |
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| 233 | ResourceManager::getInstance()->unload(enumBuffer); |
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[4960] | 234 | enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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[4504] | 235 | } |
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[4960] | 236 | delete bufferIterator; |
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| 237 | } |
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[4504] | 238 | // removing openAL from AudioResource |
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| 239 | alutExit(); |
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| 240 | } |
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| 241 | |
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| 242 | /** |
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[4985] | 243 | * loads the settings of the SoundEngine from an ini-file |
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| 244 | * @param iniParser the IniParser of the inifile |
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| 245 | */ |
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| 246 | void SoundEngine::loadSettings(IniParser* iniParser) |
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| 247 | { |
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| 248 | const char* musicVolume = iniParser->getVar(CONFIG_NAME_MUSIC_VOLUME, CONFIG_SECTION_AUDIO, "80"); |
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| 249 | this->musicVolume = atof(musicVolume)/100.0; |
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| 250 | |
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| 251 | const char* effectsVolume = iniParser->getVar(CONFIG_NAME_EFFECTS_VOLUME, CONFIG_SECTION_AUDIO, "80"); |
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| 252 | this->effectsVolume = atof(effectsVolume)/100.0; |
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| 253 | } |
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| 254 | |
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| 255 | |
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| 256 | |
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| 257 | /** |
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[4836] | 258 | * creates a new SoundSource. |
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| 259 | * @param fileName The Name to load the SoundBuffer from |
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| 260 | * @param sourceNode The sourceNode to bind this SoundSource to. |
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| 261 | * @returns The newly created SoundSource |
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[4504] | 262 | |
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| 263 | acctualy this is nothing more than a wrapper around the ResourceManager. |
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| 264 | */ |
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| 265 | SoundSource* SoundEngine::createSource(const char* fileName, PNode* sourceNode) |
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| 266 | { |
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[4885] | 267 | return new SoundSource(sourceNode, (SoundBuffer*)ResourceManager::getInstance()->load(fileName, WAV, RP_LEVEL)); |
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[4504] | 268 | } |
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| 269 | |
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| 270 | /** |
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[4836] | 271 | * Sets the doppler values of openAL |
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| 272 | * @param dopplerFactor the extent of the doppler-effect |
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| 273 | * @param dopplerVelocity the Speed the sound travels |
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[4504] | 274 | */ |
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| 275 | void SoundEngine::setDopplerValues(ALfloat dopplerFactor, ALfloat dopplerVelocity) |
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| 276 | { |
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| 277 | alDopplerFactor(dopplerFactor); |
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| 278 | alDopplerVelocity(dopplerVelocity); |
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| 279 | } |
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| 280 | |
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| 281 | |
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| 282 | /** |
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[4836] | 283 | * adds a SoundBuffer to the bufferList of the SoundEngine |
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| 284 | * @param buffer The buffer to add to the bufferList |
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[4504] | 285 | */ |
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| 286 | void SoundEngine::addBuffer(SoundBuffer* buffer) |
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| 287 | { |
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[4960] | 288 | if (unlikely(this->bufferList == NULL)) |
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| 289 | this->bufferList = ClassList::getList(CL_SOUND_BUFFER); |
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[4504] | 290 | } |
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| 291 | |
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| 292 | /** |
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[4836] | 293 | * removes a SoundBuffer from the bufferList of the SoundEngine |
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| 294 | * @param buffer The buffer to delete from the SoundEngine |
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[4504] | 295 | */ |
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| 296 | void SoundEngine::removeBuffer(SoundBuffer* buffer) |
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| 297 | { |
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| 298 | // look if there are any sources that have the buffer still loaded |
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[4960] | 299 | tIterator<BaseObject>* sourceIterator = this->sourceList->getIterator(); |
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| 300 | SoundSource* enumSource = (SoundSource*)sourceIterator->nextElement(); |
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[4504] | 301 | while (enumSource) |
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| 302 | { |
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| 303 | if (buffer == enumSource->getBuffer()) |
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[4597] | 304 | delete enumSource; |
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[4960] | 305 | enumSource = (SoundSource*)sourceIterator->nextElement(); |
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[4504] | 306 | } |
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| 307 | delete sourceIterator; |
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| 308 | } |
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| 309 | |
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| 310 | /** |
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[4836] | 311 | * adds a SoundSource to the sourceList of the SoundEngine |
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| 312 | * @param source The source to add to the sourceList |
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[4504] | 313 | */ |
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| 314 | void SoundEngine::addSource(SoundSource* source) |
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| 315 | { |
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[4960] | 316 | this->sourceList = ClassList::getList(CL_SOUND_SOURCE); |
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[4504] | 317 | } |
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| 318 | |
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| 319 | /** |
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[4836] | 320 | * updates all The positions, Directions and Velocities of all Sounds |
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[4504] | 321 | */ |
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[4746] | 322 | void SoundEngine::update() |
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[4504] | 323 | { |
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| 324 | |
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| 325 | // updating the Listeners Position |
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| 326 | if (likely(this->listener != NULL)) |
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| 327 | { |
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| 328 | alListener3f(AL_POSITION, |
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[4597] | 329 | this->listener->getAbsCoor().x, |
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| 330 | this->listener->getAbsCoor().y, |
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| 331 | this->listener->getAbsCoor().z); |
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[4504] | 332 | alListener3f(AL_VELOCITY, |
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[4597] | 333 | this->listener->getVelocity().x, |
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| 334 | this->listener->getVelocity().y, |
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| 335 | this->listener->getVelocity().z); |
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[4504] | 336 | Vector absDirV = this->listener->getAbsDirV(); |
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| 337 | ALfloat orientation [6] = {1,0,0, absDirV.x, absDirV.y, absDirV.z}; |
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| 338 | alListenerfv(AL_ORIENTATION, orientation); |
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| 339 | } |
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| 340 | else |
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| 341 | PRINTF(2)("no listener defined\n"); |
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| 342 | |
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| 343 | // updating all the Sources positions |
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[4960] | 344 | if (likely(this->sourceList != NULL)) |
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| 345 | { |
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| 346 | tIterator<BaseObject>* iterator = this->sourceList->getIterator(); |
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| 347 | SoundSource* enumSource = (SoundSource*)iterator->nextElement(); |
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| 348 | while (enumSource) |
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[4504] | 349 | { |
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[4986] | 350 | if (likely(enumSource->getNode() != NULL)) |
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[4504] | 351 | { |
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[4597] | 352 | alSource3f(enumSource->getID(), AL_POSITION, |
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| 353 | enumSource->getNode()->getAbsCoor().x, |
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| 354 | enumSource->getNode()->getAbsCoor().y, |
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| 355 | enumSource->getNode()->getAbsCoor().z); |
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| 356 | alSource3f(enumSource->getID(), AL_VELOCITY, |
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| 357 | enumSource->getNode()->getVelocity().x, |
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| 358 | enumSource->getNode()->getVelocity().y, |
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| 359 | enumSource->getNode()->getVelocity().z); |
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[4504] | 360 | } |
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[4960] | 361 | enumSource = (SoundSource*)iterator->nextElement(); |
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[4504] | 362 | } |
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[4960] | 363 | delete iterator; |
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| 364 | } |
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[4504] | 365 | } |
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| 366 | |
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| 367 | /** |
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[4836] | 368 | * Removes all the Buffers that are not anymore needed by any Sources |
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[4504] | 369 | */ |
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[4746] | 370 | void SoundEngine::flushUnusedBuffers() |
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[4504] | 371 | { |
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[4960] | 372 | if(this->sourceList && this->bufferList) |
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| 373 | { |
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| 374 | tIterator<BaseObject>* bufferIterator = this->bufferList->getIterator(); |
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| 375 | SoundBuffer* enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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| 376 | while (enumBuffer) |
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[4504] | 377 | { |
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[4960] | 378 | tIterator<BaseObject>* sourceIterator = this->sourceList->getIterator(); |
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| 379 | SoundSource* enumSource = (SoundSource*)sourceIterator->nextElement(); |
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[4504] | 380 | while (enumSource) |
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[4960] | 381 | { |
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| 382 | if (enumBuffer == enumSource->getBuffer()) |
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| 383 | break; |
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| 384 | enumSource = (SoundSource*)sourceIterator->nextElement(); |
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| 385 | } |
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[4504] | 386 | delete sourceIterator; |
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| 387 | if (enumSource == NULL) |
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[4597] | 388 | ResourceManager::getInstance()->unload(enumBuffer); |
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[4960] | 389 | enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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[4504] | 390 | } |
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[4960] | 391 | delete bufferIterator; |
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| 392 | } |
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[4504] | 393 | } |
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| 394 | |
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| 395 | /** |
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[4836] | 396 | * SourceEngine::flushAllBuffers |
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[4504] | 397 | */ |
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[4746] | 398 | void SoundEngine::flushAllBuffers() |
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[4504] | 399 | { |
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[4960] | 400 | if (this->bufferList) |
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| 401 | { |
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| 402 | tIterator<BaseObject>* bufferIterator = this->bufferList->getIterator(); |
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| 403 | SoundBuffer* enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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| 404 | while (enumBuffer) |
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[4504] | 405 | { |
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| 406 | ResourceManager::getInstance()->unload(enumBuffer, RP_LEVEL); |
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[4960] | 407 | enumBuffer = (SoundBuffer*)bufferIterator->nextElement(); |
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[4504] | 408 | } |
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[4960] | 409 | delete bufferIterator; |
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| 410 | } |
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[4504] | 411 | } |
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| 412 | |
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| 413 | /** |
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[4836] | 414 | * SourceEngine::flushAllBuffers |
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[4830] | 415 | */ |
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| 416 | void SoundEngine::flushAllSources() |
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| 417 | { |
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[4960] | 418 | if (this->sourceList) |
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[4830] | 419 | { |
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[4960] | 420 | tIterator<BaseObject>* Iterator = this->sourceList->getIterator(); |
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| 421 | SoundSource* enumSource = (SoundSource*)Iterator->nextElement(); |
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| 422 | while (enumSource) |
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| 423 | { |
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| 424 | delete enumSource; |
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| 425 | enumSource = (SoundSource*)Iterator->nextElement(); |
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| 426 | } |
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| 427 | delete Iterator; |
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[4830] | 428 | } |
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| 429 | } |
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| 430 | |
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| 431 | /** |
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[4836] | 432 | * initializes Audio in general |
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[4504] | 433 | */ |
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[4746] | 434 | bool SoundEngine::initAudio() |
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[4504] | 435 | { |
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| 436 | ALenum result; |
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| 437 | |
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| 438 | PRINTF(3)("Initialisazing openAL sound library\n"); |
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| 439 | |
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| 440 | alutInit(NULL, 0); |
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| 441 | if ((result = alGetError()) != AL_NO_ERROR) |
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| 442 | SoundEngine::PrintALErrorString(result); |
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| 443 | |
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| 444 | this->setDopplerValues(SOUND_DOPPLER_FACTOR, SOUND_DOPPLER_VELOCITY); |
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| 445 | } |
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| 446 | |
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| 447 | /** |
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[4836] | 448 | * Transforms AL-errors into something readable |
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| 449 | * @param err The error found |
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[4504] | 450 | */ |
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| 451 | void SoundEngine::PrintALErrorString(ALenum err) |
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| 452 | { |
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| 453 | switch(err) |
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| 454 | { |
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| 455 | case AL_NO_ERROR: |
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| 456 | PRINTF(4)("AL_NO_ERROR\n"); |
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| 457 | break; |
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[4597] | 458 | |
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[4504] | 459 | case AL_INVALID_NAME: |
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| 460 | PRINTF(2)("AL_INVALID_NAME\n"); |
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| 461 | break; |
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| 462 | |
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| 463 | case AL_INVALID_ENUM: |
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| 464 | PRINTF(2)("AL_INVALID_ENUM\n"); |
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| 465 | break; |
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| 466 | |
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| 467 | case AL_INVALID_VALUE: |
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| 468 | PRINTF(2)("AL_INVALID_VALUE\n"); |
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| 469 | break; |
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| 470 | |
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| 471 | case AL_INVALID_OPERATION: |
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| 472 | PRINTF(2)("AL_INVALID_OPERATION\n"); |
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| 473 | break; |
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| 474 | |
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| 475 | case AL_OUT_OF_MEMORY: |
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| 476 | PRINTF(2)("AL_OUT_OF_MEMORY\n"); |
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| 477 | break; |
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| 478 | }; |
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| 479 | } |
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| 480 | |
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[4959] | 481 | void SoundEngine::listDevices() |
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| 482 | { |
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| 483 | |
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| 484 | printf("%s\n",(const char*)alcGetString(NULL, ALC_DEVICE_SPECIFIER)); |
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| 485 | } |
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| 486 | |
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[4504] | 487 | /* |
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| 488 | void SoundEngine::PrintALCErrorString(ALenum err) |
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| 489 | { |
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| 490 | switch(err) |
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| 491 | { |
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| 492 | case ALC_NO_ERROR: |
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| 493 | PRINTF(4)("AL_NO_ERROR\n"); |
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| 494 | break; |
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| 495 | |
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| 496 | case ALC_INVALID_DEVICE: |
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| 497 | PRINTF(2)("ALC_INVALID_DEVICE\n"); |
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| 498 | break; |
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| 499 | |
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| 500 | case ALC_INVALID_CONTEXT: |
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| 501 | PRINTF(2)("ALC_INVALID_CONTEXT\n"); |
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| 502 | break; |
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| 503 | |
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| 504 | case ALC_INVALID_ENUM: |
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| 505 | PRINTF(2)("ALC_INVALID_ENUM\n"); |
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| 506 | break; |
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| 507 | |
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| 508 | case ALC_INVALID_VALUE: |
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| 509 | PRINTF(2)("ALC_INVALID_VALUE\n"); |
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| 510 | break; |
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| 511 | |
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| 512 | case ALC_OUT_OF_MEMORY: |
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| 513 | PRINTF(2)("ALC_OUT_OF_MEMORY\n"); |
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| 514 | break; |
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| 515 | }; |
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| 516 | } |
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| 517 | */ |
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