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annotate engine/core/audio/soundmanager.h @ 337:f9aca52c7c45

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VFS: * Emit warning for upper case filenames. Fixes #122.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 24 Aug 2009 16:06:30 +0000
parents 90005975cdbb
children 64738befdf3b
rev   line source
0
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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 */
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57 SoundEmitter* getEmitter(unsigned int emitterid);
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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() {
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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 */
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116 bool isActive() {
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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