[513] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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| 3 | * |
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| 4 | * |
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| 5 | * License notice: |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU General Public License |
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| 9 | * as published by the Free Software Foundation; either version 2 |
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| 10 | * of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU General Public License |
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| 18 | * along with this program; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 20 | * |
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| 21 | * Author: |
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| 22 | * ... |
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| 23 | * Co-authors: |
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| 24 | * ... |
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| 25 | * |
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| 26 | */ |
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| 27 | |
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| 28 | |
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[339] | 29 | #include <iostream> |
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| 30 | #include <string> |
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| 31 | #include "AudioObject.h" |
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| 32 | |
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| 33 | namespace audio |
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| 34 | { |
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| 35 | AudioObject::AudioObject(std::string audioFile) |
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| 36 | { |
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| 37 | audioFile_ = audioFile; |
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| 38 | SourcePos[0]=0; |
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| 39 | SourcePos[1]=0; |
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| 40 | SourcePos[2]=0; |
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| 41 | |
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| 42 | SourceVel[0]=0; |
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| 43 | SourceVel[1]=0; |
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| 44 | SourceVel[2]=0; |
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| 45 | |
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| 46 | ListenerPos[0]=0; |
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| 47 | ListenerPos[1]=0; |
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| 48 | ListenerPos[2]=0; |
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| 49 | |
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| 50 | ListenerVel[0]=0; |
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| 51 | ListenerVel[1]=0; |
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| 52 | ListenerVel[2]=0; |
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| 53 | |
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| 54 | ListenerOri[0]=0; |
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| 55 | ListenerOri[1]=0; |
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| 56 | ListenerOri[2]=-1; |
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| 57 | ListenerOri[3]=0; |
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| 58 | ListenerOri[4]=1; |
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| 59 | ListenerOri[5]=0; |
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| 60 | |
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| 61 | |
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| 62 | // Initialize OpenAL and clear the error bit. |
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[513] | 63 | |
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[339] | 64 | alutInit(NULL, 0); |
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| 65 | alGetError(); |
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[513] | 66 | |
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[339] | 67 | // Load the wav data. |
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[513] | 68 | |
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[339] | 69 | if(LoadALData() == AL_FALSE) |
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| 70 | { |
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| 71 | printf("Error loading sound data."); |
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[513] | 72 | |
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[339] | 73 | } |
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| 74 | |
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| 75 | SetListenerValues(); |
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| 76 | std::cout << "Play sone ambient background sound"; |
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| 77 | } |
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[513] | 78 | |
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[339] | 79 | AudioObject::~AudioObject() |
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[513] | 80 | { |
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[339] | 81 | KillALData(); |
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| 82 | } |
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[513] | 83 | |
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[339] | 84 | ALboolean AudioObject::LoadALData() |
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| 85 | { |
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| 86 | ALenum format; |
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| 87 | ALsizei size; |
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| 88 | ALvoid* data; |
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| 89 | ALsizei freq; |
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| 90 | ALboolean loop; |
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[513] | 91 | |
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| 92 | |
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[339] | 93 | alGenBuffers(1, &Buffer); |
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[513] | 94 | |
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[339] | 95 | if(alGetError() != AL_NO_ERROR) |
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| 96 | return AL_FALSE; |
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[513] | 97 | |
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[339] | 98 | alutLoadWAVFile((ALbyte*)audioFile_.c_str(), &format, &data, &size, &freq, &loop); |
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| 99 | alBufferData(Buffer, format, data, size, freq); |
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| 100 | alutUnloadWAV(format, data, size, freq); |
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[513] | 101 | |
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[339] | 102 | alGenSources(1, &Source); |
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[513] | 103 | |
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[339] | 104 | if(alGetError() != AL_NO_ERROR) |
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| 105 | return AL_FALSE; |
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[513] | 106 | |
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[339] | 107 | alSourcei (Source, AL_BUFFER, Buffer ); |
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| 108 | alSourcef (Source, AL_PITCH, 1.0 ); |
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| 109 | alSourcef (Source, AL_GAIN, 1.0 ); |
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| 110 | alSourcefv(Source, AL_POSITION, SourcePos); |
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| 111 | alSourcefv(Source, AL_VELOCITY, SourceVel); |
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| 112 | alSourcei (Source, AL_LOOPING, loop ); |
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[513] | 113 | |
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[339] | 114 | if(alGetError() == AL_NO_ERROR) |
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| 115 | return AL_TRUE; |
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[513] | 116 | |
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| 117 | |
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[339] | 118 | return AL_FALSE; |
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[513] | 119 | } |
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[339] | 120 | |
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| 121 | void AudioObject::SetListenerValues() |
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| 122 | { |
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| 123 | alListenerfv(AL_POSITION, ListenerPos); |
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| 124 | alListenerfv(AL_VELOCITY, ListenerVel); |
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| 125 | alListenerfv(AL_ORIENTATION, ListenerOri); |
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| 126 | } |
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[513] | 127 | |
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[339] | 128 | void AudioObject::KillALData() |
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| 129 | { |
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| 130 | alDeleteBuffers(1, &Buffer); |
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| 131 | alDeleteSources(1, &Source); |
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| 132 | alutExit(); |
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| 133 | } |
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| 134 | |
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| 135 | void AudioObject::play() |
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| 136 | { |
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| 137 | alSourcePlay(Source); |
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[513] | 138 | |
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[339] | 139 | } |
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| 140 | } |
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| 141 | |
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