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annotate engine/core/audio/soundmanager.h @ 378:64738befdf3b

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bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
parents 90005975cdbb
children fc5a781adf2a
rev   line source
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_SOUNDMANAGER_H
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23 #define FIFE_SOUNDMANAGER_H
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24
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25 // Standard C++ library includes
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26
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27 // Platform specific includes
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28
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29 // 3rd party library includes
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30
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31 // FIFE includes
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32 // These includes are split up in two parts, separated by one empty line
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33 // First block: files included from the FIFE root src directory
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34 // Second block: files included from the same folder
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35 #include "fife_openal.h"
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36
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37 namespace FIFE {
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38 class SoundEmitter;
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39 class SoundClipPool;
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40
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41 class SoundManager {
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42 public:
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43
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44 SoundManager(SoundClipPool* pool);
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45
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46 ~SoundManager();
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47
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48 /** Initializes the audio system
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49 */
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50 void init();
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51
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52 /** Returns a pointer to an emitter-instance given by emitterid
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53 *
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54 * @param emitterid The id of the Emitter
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55 *
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56 */
378
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vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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57 SoundEmitter* getEmitter(unsigned int emitterid) const;
0
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58
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59 /** Returns a pointer to an allocated emitter-instance
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60 */
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61 SoundEmitter* createEmitter();
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62
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63 /** Release an emitter-instance given by emitter-id
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64 */
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65 void releaseEmitter(unsigned int emitterid);
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66
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67 /** Returns an openAL context
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68 */
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69 ALCcontext* getContext() const {
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70 return m_context;
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71 }
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72
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73 /** Sets the Master Volume
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74 *
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75 * @param vol The volume value. 0=silence ... 1.0=normal loudness.
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76 */
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77 void setVolume(float vol) {
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78 if (m_device == NULL) {
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79 m_volume = vol;
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80 }
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81 alListenerf(AL_GAIN, vol);
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82 }
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83
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84 /** Mute
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85 */
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86 void mute() {
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87 alGetListenerf(AL_GAIN, &m_mutevol);
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88 alListenerf(AL_GAIN, 0);
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89 }
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90
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91 /** Unmutes to volume before mute() was called.
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92 */
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93 void unmute() {
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94 alListenerf(AL_GAIN, m_mutevol);
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95 }
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96
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97 /** Sets the position of the listener (alter ego).
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98 */
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99 void setListenerPosition(float x, float y, float z) {
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100 alListener3f(AL_POSITION, x, y, z);
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101 }
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102
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103 /** Sets the orientation of the listener (alter ego).
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104 */
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105 void setListenerOrientation(float x, float y, float z) {
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106 ALfloat vec[6] = { x, y, z, 0.0, 0.0, 1.0};
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107 alListenerfv(AL_ORIENTATION, vec);
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108 }
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109
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110 /** Sets the velocity of the listener (alter ego).
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111 */
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112 void setListenerVelocity(float x, float y, float z);
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113
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114 /** Returns true if audio module is active
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115 */
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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116 bool isActive() const{
0
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117 return m_device != NULL;
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118 }
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119
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120 private:
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121
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122 std::vector<SoundEmitter*> m_emittervec; // emitter-vector
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123 ALCcontext* m_context; // OpenAL context
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124 ALCdevice* m_device; // OpenAL device
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125 SoundClipPool* m_pool;
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126 float m_mutevol; // volume before mute() was called
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127 float m_volume; // volume to support setVolume-calls before initialization
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128 };
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129 }
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130 #endif