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annotate engine/core/audio/soundemitter.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 362fe23920b9
children 11896fe26c1d
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_SOUNDEMITTER_H_
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23 #define FIFE_SOUNDEMITTER_H_
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25 // Standard C++ library includes
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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 "vfs/raw/rawdata.h"
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36 #include "util/time/timeevent.h"
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37
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38 #include "soundclip.h"
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39
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40 namespace FIFE {
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41
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42 class SoundManager;
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43 class SoundClipPool;
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44
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45 /** The class for playing audio files
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46 */
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47 class SoundEmitter : private TimeEvent {
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48 public:
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49 SoundEmitter(SoundManager* manager, SoundClipPool* pool, unsigned int uid);
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51 ~SoundEmitter();
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53 /** Returns the emitter-id
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54 */
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55 unsigned int getID() {
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56 return m_emitterid;
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57 }
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59 /** Sets Positioning-Type
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60 * Default is false
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61 *
0
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62 * @param relative If set to true, the emitters position will be interpreted relative to the listener object
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63 *
0
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64 */
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65 void setPositioning(bool relative) {
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66 alSourcei(m_source, AL_SOURCE_RELATIVE, relative ? AL_TRUE : AL_FALSE);
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67 }
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68
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69 /** Sets the AL_ROLEOFF_FACTOR. Rolloff factor judges the strength of attenuation over distance.
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70 *
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71 * @param rolloff Rolloff factor. You'll need to do a lot of testing to find a value which suits your needs.
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72 */
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73 void setRolloff(float rolloff) {
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74 alSourcef (m_source, AL_ROLLOFF_FACTOR, rolloff);
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75 }
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76
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77 /** Sets the sound clip to be used by this emitter.
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78 * @param sound_id SoundClipPool id of the sound to be used.
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79 */
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80 void setSoundClip(unsigned int sound_id);
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81
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82 /** Reset the emitter, free all internal buffers
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83 *
0
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84 * @param defaultall If set to true, emitter position, velocity, gain and type will be set to the default values
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85 */
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86 void reset(bool defaultall = false);
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87
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88 /** Releases the emitter
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89 */
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90 void release();
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91
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92 /** Sets the playing mode
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93 */
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94 void setLooping(bool loop);
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95
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96 /** Plays the associated audio file.
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97 */
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98 void play();
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99
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100 /** Stops playing the audio file and rewinds to the beginning
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101 */
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102 void stop();
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103
0
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104 /** Pauses playing the audio file
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105 */
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106 void pause() {
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107 if (m_soundclip) {
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108 alSourcePause(m_source);
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109 }
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110 }
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111
0
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112 /** Sets the gain of the emitter
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113 *
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114 * @param gain The gain value. 0=silence ... 1.0=normal loudness.
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115 */
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116 void setGain(float gain) {
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117 alSourcef(m_source, AL_GAIN, gain);
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118 }
173
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119
0
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120 /** Returns the gain of the emitter
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121 *
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122 * @return The gain value. 0=silence ... 1.0=normal loudness.
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123 */
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124 float getGain() {
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125 float tmp;
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126 alGetSourcef(m_source, AL_GAIN, &tmp);
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127 return tmp;
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128 }
173
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129
0
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130 /** Tests if the audio data is stereo data or mono.
173
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131 *
0
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132 * @return Returns true if the audio data is stereo, false if mono.
173
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133 */
0
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134 bool isStereo() {
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135 if (m_soundclip) {
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136 return m_soundclip->getDecoder()->isStereo();
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137 }
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138 return false;
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139 }
173
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140
0
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141 /** Returns the bit resolution
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142 */
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143 short getBitResolution() {
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144 if (m_soundclip) {
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145 return m_soundclip->getDecoder()->getBitResolution();
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146 }
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147 return 0;
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148 }
173
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149
0
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150 /** Returns the sample rate
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151 */
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152 unsigned long getSampleRate() {
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153 if (m_soundclip) {
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154 return m_soundclip->getDecoder()->getSampleRate();
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155 }
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156 return 0;
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157 }
173
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158
0
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159 /** Sets the cursor position in the audio file
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160 */
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161 void setCursor(SoundPositionType type, float value);
173
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162
0
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163 /** Returns the cursor position in the audio file
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164 */
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165 float getCursor(SoundPositionType type);
173
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166
0
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167 /** Sets the position of the SoundEmitter in the virtual audio space.
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168 */
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169 void setPosition(float x, float y, float z) {
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170 alSource3f(m_source, AL_POSITION, x, y, z);
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171 }
173
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172
0
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173 /** Sets the velocity of the SoundEmitter in the virtual audio space.
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174 */
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175 void setVelocity(float x, float y, float z) {
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176 alSource3f(m_source, AL_VELOCITY, x, y, z);
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177 }
173
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178
0
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179 private:
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180 /** Implementation of the pure virtual function from TimeEvent to update streaming
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181 */
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182 virtual void updateEvent(unsigned long time);
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183
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184 /** Internal function to attach a soundclip to the source
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185 */
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186 void attachSoundClip();
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187
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188 SoundManager* m_manager;
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189 SoundClipPool* m_pool;
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190 ALuint m_source; // The openAL-source
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191 SoundClip* m_soundclip; // the attached soundclip
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192 unsigned int m_soundclipid;// id of the attached soundclip
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193 unsigned int m_streamid; // the id of the stream
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194 unsigned int m_emitterid; // the emitter-id
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195 bool m_loop; // loop?
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196 };
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197 }
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198
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199 #endif