1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Erwin 'vaiursch' Herrsche |
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24 | * Co-authors: |
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25 | * ... |
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26 | * |
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27 | */ |
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28 | |
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29 | #include <AL/alut.h> |
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30 | |
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31 | #include "orxonox/CameraManager.h" |
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32 | #include "orxonox/objects/worldentities/Camera.h" |
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33 | #include "util/Math.h" |
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34 | #include "SoundBase.h" |
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35 | #include "SoundManager.h" |
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36 | |
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37 | namespace orxonox |
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38 | { |
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39 | /** |
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40 | * Static function to get the singleton instance of SoundManager. |
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41 | * |
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42 | * @return The singleton instance |
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43 | */ |
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44 | SoundManager* SoundManager::instance() |
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45 | { |
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46 | if(SoundManager::singleton_ == NULL) |
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47 | { |
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48 | SoundManager::singleton_ = new SoundManager(); |
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49 | } |
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50 | |
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51 | return SoundManager::singleton_; |
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52 | } |
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53 | |
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54 | /** |
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55 | * Default constructor |
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56 | */ |
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57 | SoundManager::SoundManager() |
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58 | { |
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59 | if(!alutInit(NULL,NULL)) { |
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60 | COUT(2) << "OpenAL ALUT: " << alutGetErrorString(alutGetError()); |
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61 | } |
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62 | } |
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63 | |
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64 | /** |
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65 | * Add a SoundBase object to the list. Every SoundBase object should be in |
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66 | * this list. |
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67 | * |
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68 | * @param sound Pointer to the SoundBase object to add |
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69 | */ |
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70 | void SoundManager::addSound(SoundBase* sound) |
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71 | { |
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72 | this->soundlist_.push_back(sound); |
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73 | } |
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74 | |
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75 | /** |
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76 | * Remove a SoundBase object from the list and destroy it. |
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77 | */ |
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78 | void SoundManager::removeSound(SoundBase* sound) |
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79 | { |
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80 | std::list<SoundBase*>::iterator pos = this->soundlist_.end(); |
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81 | for(std::list<SoundBase*>::iterator i = this->soundlist_.begin(); i != this->soundlist_.end(); i++) |
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82 | { |
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83 | if((*i) == sound) |
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84 | pos = i; |
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85 | } |
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86 | |
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87 | delete (*pos); |
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88 | this->soundlist_.erase(pos); |
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89 | } |
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90 | |
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91 | /** |
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92 | * Tick function, updates listener and registred SoundBase objects |
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93 | * |
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94 | * @param dt @see Orxonox::Tickable |
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95 | */ |
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96 | void SoundManager::tick(float dt) |
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97 | { |
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98 | // update listener position |
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99 | Camera* camera = CameraManager::getInstance().getActiveCamera(); |
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100 | Vector3 pos = camera->getPosition(); |
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101 | alListener3f(AL_POSITION, pos.x, pos.y, pos.z); |
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102 | ALenum error = alGetError(); |
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103 | if(error == AL_INVALID_VALUE) |
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104 | COUT(2) << "OpenAL: Invalid listener position" << std::endl; |
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105 | |
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106 | // update listener orientation |
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107 | Quaternion orient = camera->getOrientation(); |
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108 | Vector3 up = orient.xAxis(); // just a wild guess |
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109 | Vector3 at = orient.zAxis(); |
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110 | |
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111 | ALfloat orientation[6] = { at.x, at.y, at.z, |
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112 | up.x, up.y, up.z }; |
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113 | |
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114 | alListenerfv(AL_POSITION, orientation); |
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115 | error = alGetError(); |
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116 | if(error == AL_INVALID_VALUE) |
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117 | COUT(2) << "OpenAL: Invalid listener orientation" << std::endl; |
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118 | |
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119 | // update sounds |
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120 | for(std::list<SoundBase*>::iterator i = this->soundlist_.begin(); i != this->soundlist_.end(); i++) |
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121 | (*i)->update(); |
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122 | } |
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123 | |
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124 | } |
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