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<hr><h1>complex_source.cpp</h1><a href="complex__source_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="stdsound_8h.html">stdsound.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="complex__source_8h.html">complex_source.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="complex__sound_8h.html">complex_sound.h</a>"</font>
00030
00031 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00032 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00033
00034 <font class="keyword">namespace </font>NLSOUND
00035 {
00036
<a name="l00037"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a0">00037</a> CComplexSource::CComplexSource (CComplexSound *soundPattern, <font class="keywordtype">bool</font> spawn, <a class="code" href="namespaceNLSOUND.html#a9">TSpawnEndCallback</a> cb, <font class="keywordtype">void</font> *cbUserParam)
00038 : CSourceCommon(soundPattern, spawn, cb, cbUserParam),
00039 _Source1(NULL),
00040 _Source2(NULL)
00041 {
00042 <a class="code" href="debug_8h.html#a6">nlassert</a>(soundPattern->getSoundType() == CSound::SOUND_COMPLEX);
00043 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a> = static_cast<CComplexSound*>(soundPattern);
00044
00045 <font class="comment">// read original parameters</font>
00046 <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a> = soundPattern->getGain();
00047 <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n7">_Pitch</a> = soundPattern->getPitch();
00048 <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n2">_Looping</a> = soundPattern->getLooping();
00049 <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n0">_Priority</a> = soundPattern->getPriority();
00050 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o5">_TickPerSecond</a> = soundPattern->getTicksPerSecond();
00051 }
00052
<a name="l00053"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a1">00053</a> CComplexSource::~CComplexSource()
00054 {
00055 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00056 <font class="comment">// security</font>
00057 CAudioMixerUser::instance()->unregisterUpdate(<font class="keyword">this</font>);
00058 CAudioMixerUser::instance()->removeEvents(<font class="keyword">this</font>);
00059
00060 std::vector<USource *>::iterator first(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.end());
00061 <font class="keywordflow">for</font> (; first != last; ++first)
00062 {
00063 <font class="comment">//mixer->removeSource(*first);</font>
00064 <font class="keyword">delete</font> *first;
00065 }
00066 }
00067
00068
<a name="l00069"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a2">00069</a> <font class="keywordtype">void</font> CComplexSource::setSound( <a class="code" href="namespaceNLSOUND.html#a8">TSoundId</a> <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>, CSoundContext *context)
00070 {
00071 }
00072
<a name="l00073"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a3">00073</a> <a class="code" href="namespaceNLSOUND.html#a8">TSoundId</a> CComplexSource::getSound()
00074 {
00075 <font class="keywordflow">return</font> <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>;
00076 }
00077 <font class="comment">/*</font>
00078 <font class="comment">void CComplexSource::setPriority( TSoundPriority pr, bool redispatch)</font>
00079 <font class="comment">{</font>
00080 <font class="comment">}</font>
00081 <font class="comment"></font>
00082 <font class="comment">void CComplexSource:: setLooping( bool l )</font>
00083 <font class="comment">{</font>
00084 <font class="comment">}</font>
00085 <font class="comment">bool CComplexSource::getLooping() const</font>
00086 <font class="comment">{</font>
00087 <font class="comment"> return false;</font>
00088 <font class="comment">}</font>
00089 <font class="comment">*/</font>
00090
<a name="l00091"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#z964_2">00091</a> <font class="keywordtype">bool</font> CComplexSource::isPlaying()
00092 {
00093 <font class="keywordflow">return</font> <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n1">_Playing</a>;
00094 }
00095
<a name="l00096"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#z964_0">00096</a> <font class="keywordtype">void</font> CComplexSource::play()
00097 {
00098 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00099 NLMISC::TTime now = <a class="code" href="classNLMISC_1_1CTime.html#d1">NLMISC::CTime::getLocalTime</a>();
00100
00101 <font class="keywordflow">switch</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getPatternMode())
00102 {
00103 <font class="keywordflow">case</font> CComplexSound::MODE_CHAINED:
00104 {
00105 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a> = 0;
00106 <font class="keyword">const</font> vector<uint32> &soundSeq = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSoundSeq();
00107 <font class="keywordflow">if</font> (!soundSeq.empty())
00108 {
00109 CSound *sound = mixer->getSoundId(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSound(soundSeq[<a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a>++]));
00110
00111 <font class="keywordflow">if</font> (sound == 0)
00112 <font class="keywordflow">return</font>;
00113
00114 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->doFadeIn())
00115 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o6">_FadeLength</a> = <a class="code" href="bit__set_8cpp.html#a0">min</a>(<a class="code" href="memory__common_8h.html#a11">uint32</a>(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getFadeLenght()/<a class="code" href="classNLSOUND_1_1CComplexSource.html#o5">_TickPerSecond</a>), sound->getDuration() /2);
00116 <font class="keywordflow">else</font>
00117 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o6">_FadeLength</a> = 0;
00118
00119 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> = mixer->createSource(sound, <font class="keyword">false</font>);
00120 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> == NULL)
00121 <font class="keywordflow">return</font>;
00122 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setRelativeGain(0);
00123 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setPos(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n3">_Position</a>);
00124 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->play();
00125 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o4">_StartTime2</a> = now;
00126
00127 <font class="comment">// register for fade in.</font>
00128 mixer->registerUpdate(<font class="keyword">this</font>);
00129 }
00130 }
00131 <font class="keywordflow">break</font>;
00132 <font class="keywordflow">case</font> CComplexSound::MODE_SPARSE:
00133 {
00134 <font class="comment">// use Source1, sound sequence, delay sequence and event.</font>
00135 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a> = 0;
00136 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o9">_DelaySeqIndex</a> = 0;
00137 <font class="keyword">const</font> vector<uint32> &soundSeq = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSoundSeq();
00138 <font class="keywordflow">if</font> (!soundSeq.empty())
00139 {
00140 CSound *sound = mixer->getSoundId(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSound(soundSeq[<a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a>++]));
00141
00142 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> = mixer->createSource(sound, <font class="keyword">false</font>);
00143 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> == NULL)
00144 <font class="keywordflow">return</font>;
00145 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setRelativeGain(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00146 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setPos(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n3">_Position</a>);
00147 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->play();
00148 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o3">_StartTime1</a> = now;
00149
00150 <font class="comment">// register event for next sound.</font>
00151 <font class="keyword">const</font> std::vector<uint32> &delaySeq = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getDelaySeq();
00152 <font class="keywordflow">if</font> (!delaySeq.empty() && <a class="code" href="classNLSOUND_1_1CComplexSource.html#o9">_DelaySeqIndex</a> < delaySeq.size())
00153 {
00154 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o10">_LastSparseEvent</a> = <font class="keyword">false</font>;
00155 <font class="comment">// event for next sound.</font>
00156 mixer->addEvent(<font class="keyword">this</font>, <a class="code" href="memory__common_8h.html#a13">uint64</a>(now + sound->getDuration() + delaySeq[<a class="code" href="classNLSOUND_1_1CComplexSource.html#o9">_DelaySeqIndex</a>++]/<a class="code" href="classNLSOUND_1_1CComplexSource.html#o5">_TickPerSecond</a>));
00157 }
00158 <font class="keywordflow">else</font>
00159 {
00160 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o10">_LastSparseEvent</a> = <font class="keyword">true</font>;
00161 <font class="comment">// event for stop</font>
00162 mixer->addEvent(<font class="keyword">this</font>, now + sound->getDuration());
00163 }
00164 }
00165 }
00166 <font class="keywordflow">break</font>;
00167 <font class="keywordflow">case</font> CComplexSound::MODE_ALL_IN_ONE:
00168 {
00169 <font class="comment">// just spanw all the listed source.</font>
00170 <font class="keyword">const</font> std::vector<std::string> &sounds = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSounds();
00171
00172 std::vector<std::string>::const_iterator first(sounds.begin()), last(sounds.end());
00173
00174 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.empty())
00175 {
00176 <font class="comment">// create the sources</font>
00177 <font class="keywordflow">for</font> (; first != last; ++first)
00178 {
00179 CSound *sound = mixer->getSoundId(*first);
00180 <font class="keywordflow">if</font> (sound != NULL)
00181 {
00182 <a class="code" href="classNLSOUND_1_1USource.html#b0">USource</a> *source = mixer->createSource(sound, <font class="keyword">false</font>);
00183 source->setRelativeGain(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00184 source->setPos(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n3">_Position</a>);
00185 source->play();
00186
00187 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.push_back(source);
00188 }
00189 }
00190 }
00191 <font class="keywordflow">else</font>
00192 {
00193 <font class="comment">// just replay the existing source.</font>
00194 std::vector<USource *>::iterator first(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.end());
00195
00196 <font class="keywordflow">for</font> (; first != last; ++first)
00197 {
00198 (*first)->setRelativeGain(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00199 (*first)->setPos(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n3">_Position</a>);
00200 (*first)->play();
00201 }
00202 }
00203
00204 mixer->addEvent(<font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CTime.html#d1">NLMISC::CTime::getLocalTime</a>() + <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getDuration());
00205 }
00206 <font class="keywordflow">break</font>;
00207 <font class="keywordflow">default</font>:
00208 <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"Unknow pattern mode. Can't play."</font>);
00209 }
00210
00211 CSourceCommon::play();
00212 }
<a name="l00213"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#z964_1">00213</a> <font class="keywordtype">void</font> CComplexSource::stop()
00214 {
00215 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00216 <font class="keywordflow">if</font> (_Source1)
00217 {
00218 <font class="comment">// _Source1->stop();</font>
00219 <font class="comment">// mixer->removeSource(_Source1);</font>
00220 <font class="keyword">delete</font> <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>;
00221
00222 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> = NULL;
00223 }
00224 <font class="keywordflow">if</font> (_Source2)
00225 {
00226 <font class="comment">// _Source2->stop();</font>
00227 <font class="comment">// mixer->removeSource(_Source2);</font>
00228 <font class="keyword">delete</font> <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>;
00229
00230 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> = NULL;
00231 }
00232
00233 std::vector<USource *>::iterator first(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.end());
00234 <font class="keywordflow">for</font> (; first != last; ++first)
00235 {
00236 <font class="keywordflow">if</font> ((*first)->isPlaying())
00237 (*first)->stop();
00238 }
00239
00240 <font class="keywordflow">switch</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getPatternMode())
00241 {
00242 <font class="keywordflow">case</font> CComplexSound::MODE_CHAINED:
00243 mixer->unregisterUpdate(<font class="keyword">this</font>);
00244 mixer->removeEvents(<font class="keyword">this</font>);
00245 <font class="keywordflow">break</font>;
00246 <font class="keywordflow">case</font> CComplexSound::MODE_SPARSE:
00247 <font class="keywordflow">case</font> CComplexSound::MODE_ALL_IN_ONE:
00248 mixer->removeEvents(<font class="keyword">this</font>);
00249 <font class="keywordflow">break</font>;
00250 }
00251
00252 CSourceCommon::stop();
00253 }
00254
00255 <font class="comment">/*void CComplexSource::unregisterSpawnCallBack()</font>
00256 <font class="comment">{</font>
00257 <font class="comment">}</font>
00258 <font class="comment">*/</font>
<a name="l00259"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a4">00259</a> <font class="keywordtype">void</font> CComplexSource::setPos( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& pos )
00260 {
00261 CSourceCommon::setPos(pos);
00262
00263 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> != NULL)
00264 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setPos(pos);
00265 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> != NULL)
00266 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setPos(pos);
00267
00268 std::vector<USource *>::iterator first(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.end());
00269 <font class="keywordflow">for</font> (; first != last; ++first)
00270 {
00271 (*first)->setPos(pos);
00272 }
00273 }
00274
<a name="l00275"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a5">00275</a> <font class="keywordtype">void</font> CComplexSource::setVelocity( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& vel )
00276 {
00277 CSourceCommon::setVelocity(vel);
00278
00279 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> != NULL)
00280 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setVelocity(vel);
00281 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> != NULL)
00282 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setVelocity(vel);
00283
00284 std::vector<USource *>::iterator first(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.end());
00285 <font class="keywordflow">for</font> (; first != last; ++first)
00286 {
00287 (*first)->setVelocity(vel);
00288 }
00289 }
00290 <font class="comment">/*void CComplexSource::getVelocity( NLMISC::CVector& vel ) const</font>
00291 <font class="comment">{</font>
00292 <font class="comment">}</font>
00293 <font class="comment">*/</font>
<a name="l00294"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a6">00294</a> <font class="keywordtype">void</font> CComplexSource::setDirection( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& dir )
00295 {
00296 CSourceCommon::setDirection(dir);
00297
00298 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> != NULL)
00299 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setDirection(dir);
00300 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> != NULL)
00301 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setDirection(dir);
00302
00303 std::vector<USource *>::iterator first(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.end());
00304 <font class="keywordflow">for</font> (; first != last; ++first)
00305 {
00306 (*first)->setDirection(dir);
00307 }
00308 }
00309 <font class="comment">/*</font>
00310 <font class="comment">void CComplexSource::getDirection( NLMISC::CVector& dir ) const</font>
00311 <font class="comment">{</font>
00312 <font class="comment">}</font>
00313 <font class="comment">*/</font>
<a name="l00314"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a7">00314</a> <font class="keywordtype">void</font> CComplexSource::setGain( <font class="keywordtype">float</font> gain )
00315 {
00316 CSourceCommon::setGain(gain);
00317 <font class="comment">// update the gain of the played source.</font>
00318 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> != NULL)
00319 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setGain(gain);
00320 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> != NULL)
00321 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setGain(gain);
00322
00323 std::vector<USource *>::iterator first(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.end());
00324 <font class="keywordflow">for</font> (; first != last; ++first)
00325 {
00326 (*first)->setGain(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00327 }
00328 }
00329
<a name="l00330"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#a8">00330</a> <font class="keywordtype">void</font> CComplexSource::setRelativeGain( <font class="keywordtype">float</font> gain )
00331 {
00332 CSourceCommon::setRelativeGain(gain);
00333
00334 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> != NULL)
00335 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setRelativeGain(gain);
00336 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> != NULL)
00337 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setRelativeGain(gain);
00338
00339 std::vector<USource *>::iterator first(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o2">_AllSources</a>.end());
00340 <font class="keywordflow">for</font> (; first != last; ++first)
00341 {
00342 (*first)->setRelativeGain(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00343 }
00344 }
00345
00346 <font class="comment">/*</font>
00347 <font class="comment">void CComplexSource::setPitch( float pitch )</font>
00348 <font class="comment">{</font>
00349 <font class="comment">}</font>
00350 <font class="comment">float CComplexSource::getPitch() const</font>
00351 <font class="comment">{</font>
00352 <font class="comment"> return 0;</font>
00353 <font class="comment">}</font>
00354 <font class="comment">*/</font>
00355 <font class="comment">/*</font>
00356 <font class="comment">void CComplexSource::setSourceRelativeMode( bool mode )</font>
00357 <font class="comment">{</font>
00358 <font class="comment">}</font>
00359 <font class="comment">bool CComplexSource::getSourceRelativeMode() const</font>
00360 <font class="comment">{</font>
00361 <font class="comment"> return false;</font>
00362 <font class="comment">}</font>
00363 <font class="comment">*/</font>
00364
<a name="l00365"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#z964_3">00365</a> uint32 CComplexSource::getTime()
00366 {
00367 <font class="comment">// evaluate the elapsed time.</font>
00368 <font class="keywordflow">if</font> (!<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n1">_Playing</a> || <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n10">_PlayStart</a> == 0) <font class="comment">// not started ?</font>
00369 <font class="keywordflow">return</font> 0;
00370
00371 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> now = <a class="code" href="classNLMISC_1_1CTime.html#d1">NLMISC::CTime::getLocalTime</a>();
00372
00373 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> delta = now - <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n10">_PlayStart</a>;
00374
00375 <font class="keywordflow">return</font> <a class="code" href="memory__common_8h.html#a11">uint32</a>(delta);
00376 }
00377
00378
<a name="l00380"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#c1">00380</a> <font class="keywordtype">void</font> CComplexSource::onUpdate()
00381 {
00382 <font class="comment">// do the cross fade : </font>
00383 <font class="comment">// - lower sound1, louder sound2, </font>
00384 <font class="comment">// - when max reach, stop the update, swap the sound, delete sound1 and set event for next fade.</font>
00385
00386 <font class="comment">// can only occur for chained mode.</font>
00387 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getPatternMode() == CComplexSound::MODE_CHAINED);
00388
00389 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00390
00391 <font class="comment">// compute xfade factor.</font>
00392 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> now = <a class="code" href="classNLMISC_1_1CTime.html#d1">NLMISC::CTime::getLocalTime</a>();
00393 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o6">_FadeLength</a> > 0)
00394 {
00395 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o7">_FadeFactor</a> = float((<font class="keywordtype">double</font>(now) - <font class="keywordtype">double</font>(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o4">_StartTime2</a>)) / <font class="keywordtype">double</font>(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o6">_FadeLength</a>)) ;
00396 <font class="comment">// _FadeFactor = (_FadeFactor*_FadeFactor);</font>
00397 }
00398 <font class="keywordflow">else</font>
00399 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o7">_FadeFactor</a> = 1.0f;
00400
00401 <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"Fade factor = %f"</font>, <a class="code" href="classNLSOUND_1_1CComplexSource.html#o7">_FadeFactor</a>);
00402 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o7">_FadeFactor</a> >= 1.0)
00403 {
00404 <font class="comment">// fade end !</font>
00405 <font class="keywordflow">if</font> (_Source1)
00406 {
00407 <font class="comment">// _Source1->stop();</font>
00408 <font class="comment">// mixer->removeSource(_Source1);</font>
00409 <font class="keyword">delete</font> <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>;
00410 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> = NULL;
00411 }
00412 <font class="keywordflow">if</font> (_Source2)
00413 {
00414 <font class="comment">// set max volume</font>
00415 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setRelativeGain(1.0f * <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00416 <font class="comment">// 'swap' the source</font>
00417 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>;
00418 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o3">_StartTime1</a> = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o4">_StartTime2</a>;
00419 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> = NULL;
00420 <font class="comment">// if there is a next sound available, program an event for the next xfade.</font>
00421 CSound *sound2 = NULL;
00422 <font class="comment">// _SoundSeqIndex++;</font>
00423 <font class="keyword">const</font> vector<uint32> &soundSeq = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSoundSeq();
00424 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a> < soundSeq.size())
00425 {
00426 sound2 = mixer->getSoundId(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSound(soundSeq[<a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a>++]));
00427 }
00428 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (_Looping)
00429 {
00430 <font class="comment">// restart the sound sequence</font>
00431 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a> = 0;
00432 sound2 = mixer->getSoundId(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSound(soundSeq[<a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a>++]));
00433 }
00434
00435
00436 <font class="keywordflow">if</font> (sound2 != NULL)
00437 {
00438 <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"CS : Chaining to sound %s"</font>, sound2->getName().c_str());
00439 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00440
00441 <font class="comment">// determine the XFade lenght (if next sound is too short.</font>
00442 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o6">_FadeLength</a> = minof<uint32>(<a class="code" href="memory__common_8h.html#a11">uint32</a>(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getFadeLenght()/<a class="code" href="classNLSOUND_1_1CComplexSource.html#o5">_TickPerSecond</a>), sound2->getDuration() / 2, <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->getSound()->getDuration()/2);
00443 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> = mixer->createSource(sound2, <font class="keyword">false</font>);
00444 <font class="comment">// there is a next sound, add event for xfade.</font>
00445 <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"Seting event for sound %s in %u millisec (XFade = %u)."</font>, <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->getSound()->getName().c_str(), <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->getSound()->getDuration(), <a class="code" href="classNLSOUND_1_1CComplexSource.html#o6">_FadeLength</a>);
00446 mixer->addEvent(<font class="keyword">this</font>, <a class="code" href="classNLSOUND_1_1CComplexSource.html#o3">_StartTime1</a> + <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->getSound()->getDuration() - <a class="code" href="classNLSOUND_1_1CComplexSource.html#o6">_FadeLength</a>);
00447 }
00448 <font class="keywordflow">else</font>
00449 {
00450 <font class="comment">// no sound after, just set an event at end of current sound to stop the complex sound.</font>
00451 <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"Setting last event for sound %s in %u millisec."</font>, <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->getSound()->getName().c_str(), <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->getSound()->getDuration());
00452 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->doFadeOut())
00453 {
00454 <font class="comment">// set the event to begin fade out.</font>
00455 mixer->addEvent(<font class="keyword">this</font>, <a class="code" href="classNLSOUND_1_1CComplexSource.html#o3">_StartTime1</a> + <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->getSound()->getDuration() - <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getFadeLenght());
00456 }
00457 <font class="keywordflow">else</font>
00458 {
00459 <font class="comment">// set the event at end of sound.</font>
00460 mixer->addEvent(<font class="keyword">this</font>, <a class="code" href="classNLSOUND_1_1CComplexSource.html#o3">_StartTime1</a> + <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->getSound()->getDuration());
00461 }
00462 }
00463 }
00464 <font class="keywordflow">else</font>
00465 {
00466 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->doFadeOut())
00467 {
00468 <font class="comment">// update is responsible for stoping the sound.</font>
00469 <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n1">_Playing</a> = <font class="keyword">false</font>;
00470 }
00471 }
00472 <font class="comment">// remove from the update list</font>
00473 mixer->unregisterUpdate(<font class="keyword">this</font>);
00474 }
00475 <font class="keywordflow">else</font>
00476 {
00477 <font class="comment">// do the xfade</font>
00478 <font class="keywordflow">if</font> (_Source1)
00479 {
00480 <font class="comment">// lower the sound 1.</font>
00481 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setRelativeGain(<font class="keywordtype">float</font>(1.0 - <a class="code" href="classNLSOUND_1_1CComplexSource.html#o7">_FadeFactor</a>) * <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00482
00483 }
00484 <font class="keywordflow">if</font> (_Source2)
00485 {
00486 <font class="comment">// lower the sound 1.</font>
00487 <font class="comment">// _Source2->setRelativeGain(float(sqrt(_FadeFactor)) * _Gain);</font>
00488 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setRelativeGain(<font class="keywordtype">float</font>(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o7">_FadeFactor</a>) * <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00489 }
00490 }
00491 }
<a name="l00493"></a><a class="code" href="classNLSOUND_1_1CComplexSource.html#c2">00493</a> <font class="keywordtype">void</font> CComplexSource::onEvent()
00494 {
00495 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00496 NLMISC::TTime now = <a class="code" href="classNLMISC_1_1CTime.html#d1">NLMISC::CTime::getLocalTime</a>();
00497
00498 <font class="keywordflow">switch</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getPatternMode())
00499 {
00500 <font class="keywordflow">case</font> CComplexSound::MODE_CHAINED:
00501 {
00502 <font class="comment">// either it's time to begin a new xfade, or to end this sound.</font>
00503 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a> != NULL)
00504 {
00505 <font class="comment">// start new cross fade.?</font>
00506 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o4">_StartTime2</a> = now;
00507 <font class="comment">// mute the source2</font>
00508 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->setRelativeGain(0);
00509 <font class="comment">// start the source 2</font>
00510 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o1">_Source2</a>->play();
00511 <font class="comment">// register for update.</font>
00512 mixer->registerUpdate(<font class="keyword">this</font>);
00513 }
00514 <font class="keywordflow">else</font>
00515 {
00516 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->doFadeOut())
00517 {
00518 <font class="comment">// set in update list for fade out.</font>
00519 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o4">_StartTime2</a> = now;
00520 mixer->registerUpdate(<font class="keyword">this</font>);
00521 }
00522 <font class="keywordflow">else</font>
00523 {
00524 <font class="comment">// end the sound.</font>
00525 <font class="comment">// _Source1->stop();</font>
00526 <font class="comment">// mixer->removeSource(_Source1);</font>
00527 <font class="keyword">delete</font> <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>;
00528 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> = NULL;
00529 <a class="code" href="classNLSOUND_1_1CSourceCommon.html#n1">_Playing</a> = <font class="keyword">false</font>;
00530 }
00531 }
00532 }
00533 <font class="keywordflow">break</font>;
00534 <font class="keywordflow">case</font> CComplexSound::MODE_SPARSE:
00535 {
00536 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> != NULL)
00537 {
00538 <font class="comment">// _Source1->stop();</font>
00539 <font class="comment">// mixer->removeSource(_Source1);</font>
00540 <font class="keyword">delete</font> <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>;
00541 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> = NULL;
00542 }
00543
00544 <font class="keyword">const</font> std::vector<uint32> &delaySeq = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getDelaySeq();
00545 <font class="keyword">const</font> vector<uint32> &soundSeq = <a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSoundSeq();
00546
00547 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n2">_Looping</a> && <a class="code" href="classNLSOUND_1_1CComplexSource.html#o9">_DelaySeqIndex</a> >= delaySeq.size())
00548 {
00549 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o9">_DelaySeqIndex</a> = 0;
00550 }
00551
00552 <font class="keywordflow">if</font> (!soundSeq.empty() && !<a class="code" href="classNLSOUND_1_1CComplexSource.html#o10">_LastSparseEvent</a>)
00553 {
00554 <font class="comment">// wrap around sound sequence until there are delays...</font>
00555 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a> >= soundSeq.size())
00556 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a> = 0;
00557
00558 CSound *sound = mixer->getSoundId(<a class="code" href="classNLSOUND_1_1CComplexSource.html#o11">_PatternSound</a>->getSound(soundSeq[<a class="code" href="classNLSOUND_1_1CComplexSource.html#o8">_SoundSeqIndex</a>++]));
00559
00560 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> = mixer->createSource(sound, <font class="keyword">false</font>);
00561 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a> == NULL)
00562 {
00563 <a class="code" href="classNLSOUND_1_1CComplexSource.html#z964_1">stop</a>();
00564 <font class="keywordflow">return</font>;
00565 }
00566 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setRelativeGain(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n6">_Gain</a>);
00567 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->setPos(<a class="code" href="classNLSOUND_1_1CSourceCommon.html#n3">_Position</a>);
00568 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o0">_Source1</a>->play();
00569 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o3">_StartTime1</a> = now;
00570
00571 <font class="comment">// register event for next sound.</font>
00572 <font class="keywordflow">if</font> (!delaySeq.empty() && <a class="code" href="classNLSOUND_1_1CComplexSource.html#o9">_DelaySeqIndex</a> < delaySeq.size())
00573 {
00574 <font class="comment">// event for next sound.</font>
00575 mixer->addEvent(<font class="keyword">this</font>, <a class="code" href="memory__common_8h.html#a13">uint64</a>(now + sound->getDuration() + delaySeq[<a class="code" href="classNLSOUND_1_1CComplexSource.html#o9">_DelaySeqIndex</a>++]/<a class="code" href="classNLSOUND_1_1CComplexSource.html#o5">_TickPerSecond</a>));
00576 }
00577 <font class="keywordflow">else</font>
00578 {
00579 <font class="comment">// event for stop</font>
00580 <a class="code" href="classNLSOUND_1_1CComplexSource.html#o10">_LastSparseEvent</a> = <font class="keyword">true</font>;
00581 mixer->addEvent(<font class="keyword">this</font>, now + sound->getDuration());
00582 }
00583 }
00584 <font class="keywordflow">else</font>
00585 {
00586 <font class="comment">// this is the event for stop !</font>
00587 <a class="code" href="classNLSOUND_1_1CComplexSource.html#z964_1">stop</a>();
00588 }
00589 }
00590 <font class="keywordflow">break</font>;
00591 <font class="keywordflow">case</font> CComplexSound::MODE_ALL_IN_ONE:
00592 <font class="comment">// just call the stop method.</font>
00593 <a class="code" href="classNLSOUND_1_1CComplexSource.html#z964_1">stop</a>();
00594 <font class="keywordflow">break</font>;
00595 <font class="keywordflow">default</font>:
00596 <a class="code" href="debug_8h.html#a6">nlassert</a>(<font class="keyword">false</font>);
00597 }
00598 }
00599
00600
00601
00602 } <font class="comment">// NLSOUND</font>
</pre></div>
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