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<title>NeL: NLSOUND::CAmbiantSource class Reference</title>
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<h1>NLSOUND::CAmbiantSource Class Reference</h1><code>#include <<a class="el" href="a05428.html">ambiant_source.h</a>></code>
<p>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Stereo mix of a envsound, seen as a source (see <a class="el" href="a02457.html">CEnvSoundUser</a>)<p>
Plays a stereo mix made up of two channels for crossfading random ambiant sounds, plus a third channel for random sparse sounds.<p>
<dl compact><dt><b>Author:</b></dt><dd>Olivier Cado <p>
Nevrax France </dd></dl>
<dl compact><dt><b>Date:</b></dt><dd>2001 </dd></dl>
<p>
<p>
Definition at line <a class="el" href="a05428.html#l00050">50</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcea0">CAmbiantSource</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#NLSOUND_1_1CAmbiantSourcea0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcea1">enable</a> (bool toplay, float gain)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Enable (play with high priority) and set general gain, or disable (stop and set low priority). <a href="#NLSOUND_1_1CAmbiantSourcea1"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03395.html">CSimpleSource</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcea2">getChannels</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the stereo channels (EDIT). <a href="#NLSOUND_1_1CAmbiantSourcea2"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcea3">initPos</a> (const <a class="el" href="a03128.html">NLMISC::CVector</a> *posvector)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcea4">setProperties</a> (std::vector< <a class="el" href="a02246.html">TSoundId</a> > &ambiantsounds, std::vector< <a class="el" href="a02246.html">TSoundId</a> > &sparsesounds, <a class="el" href="a04558.html#a11">uint32</a> crossfadeTimeMs=4000, <a class="el" href="a04558.html#a11">uint32</a> sustainTimeMs=16000, <a class="el" href="a04558.html#a11">uint32</a> sparseAvgPeriodMs=30000)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set properties (EDIT). <a href="#NLSOUND_1_1CAmbiantSourcea4"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcea5">update</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Update. <a href="#NLSOUND_1_1CAmbiantSourcea5"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcea6">~CAmbiantSource</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#NLSOUND_1_1CAmbiantSourcea6"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcee0">init</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Static init (call at the very beginning). <a href="#NLSOUND_1_1CAmbiantSourcee0"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a05378.html#a242">NLMISC::TTime</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourceb0">calcPosInCycle</a> (bool &crossfade, <a class="el" href="a04558.html#a11">uint32</a> &leadchannel)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Calc pos in cycle. <a href="#NLSOUND_1_1CAmbiantSourceb0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourceb1">calcRandomSparseSoundTime</a> (<a class="el" href="a02246.html">TSoundId</a> currentsparesound)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Calculate the next time a sparse sound plays (set NULL for no current sound). <a href="#NLSOUND_1_1CAmbiantSourceb1"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a02246.html">TSoundId</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourceb2">getRandomSound</a> (const std::vector< <a class="el" href="a02246.html">CSound</a> * > &bank) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Select a random sound in a bank. <a href="#NLSOUND_1_1CAmbiantSourceb2"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>std::vector< <a class="el" href="a02246.html">CSound</a> * > </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer0">_AmbiantSounds</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a11">uint32</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer1">_CrossfadeTime</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a05378.html#a242">NLMISC::TTime</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer2">_NextSparseSoundTime</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer3">_Play</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer4">_RandomSoundChosen</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a11">uint32</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer5">_SparseAvgPeriod</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>std::vector< <a class="el" href="a02246.html">CSound</a> * > </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer6">_SparseSounds</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a05378.html#a242">NLMISC::TTime</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer7">_StartTime</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03395.html">CSimpleSource</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a> [3]</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>float </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer9">_StereoGain</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer10">_Sustain</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a11">uint32</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer11">_SustainTime</a></td></tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourcea0" doxytag="NLSOUND::CAmbiantSource::CAmbiantSource" ></a><p>
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<td class="md" nowrap valign="top"> NLSOUND::CAmbiantSource::CAmbiantSource </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
Constructor.
<p>
<p>
Definition at line <a class="el" href="a05427.html#l00047">47</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05428.html#l00101">_StereoChannels</a>, <a class="el" href="a05677.html#l00045">AMBIANT_CH1</a>, <a class="el" href="a05677.html#l00046">AMBIANT_CH2</a>, <a class="el" href="a06390.html#l00093">NLSOUND::CSimpleSource::setLooping()</a>, and <a class="el" href="a05981.html#l00100">uint32</a>.
<p>
<div class="fragment"><pre>00047 : <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer3">_Play</a>(<span class="keyword">false</span>),
00048 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer9">_StereoGain</a>(0.0f),
00049 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer10">_Sustain</a>(<span class="keyword">false</span>),
00050 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer4">_RandomSoundChosen</a>(<span class="keyword">false</span>),
00051 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer2">_NextSparseSoundTime</a>(0),
00052 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer1">_CrossfadeTime</a>(4000),
00053 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer11">_SustainTime</a>(8000),
00054 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer5">_SparseAvgPeriod</a>(20000)
00055 {
00056 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a1">AMBIANT_CH1</a>].setLooping( <span class="keyword">true</span> );
00057 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a2">AMBIANT_CH2</a>].setLooping( <span class="keyword">true</span> );
00058 <span class="comment">//_StereoChannels[SPARSE_CH].setLooping( false );</span>
00059
00060 srand( (<a class="code" href="a04558.html#a11">uint32</a>)CTime::getLocalTime() );
00061 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourcea6" doxytag="NLSOUND::CAmbiantSource::~CAmbiantSource" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> NLSOUND::CAmbiantSource::~<a class="el" href="a02194.html">CAmbiantSource</a> </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Destructor.
<p>
<p>
Definition at line <a class="el" href="a05427.html#l00067">67</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05428.html#l00101">_StereoChannels</a>, <a class="el" href="a05677.html#l00045">AMBIANT_CH1</a>, <a class="el" href="a05677.html#l00046">AMBIANT_CH2</a>, and <a class="el" href="a05677.html#l00047">SPARSE_CH</a>.
<p>
<div class="fragment"><pre>00068 {
00069 CAudioMixerUser::instance()->removeMySource( &_StereoChannels[AMBIANT_CH1] );
00070 CAudioMixerUser::instance()->removeMySource( &_StereoChannels[AMBIANT_CH2] );
00071 CAudioMixerUser::instance()->removeMySource( &_StereoChannels[SPARSE_CH] );
00072
00073 <span class="comment">// Delete sounds: now done in CAudioMixerUser::~CAudioMixerUser()</span>
00074 <span class="comment">/*vector<CSound*>::iterator ipsnds;</span>
00075 <span class="comment"> for ( ipsnds=_AmbiantSounds.begin(); ipsnds!=_AmbiantSounds.end(); ++ipsnds )</span>
00076 <span class="comment"> {</span>
00077 <span class="comment"> nldebug( "Deleting ambiant sound" );</span>
00078 <span class="comment"> delete (*ipsnds);</span>
00079 <span class="comment"> }</span>
00080 <span class="comment"> for ( ipsnds=_SparseSounds.begin(); ipsnds!=_SparseSounds.end(); ++ipsnds )</span>
00081 <span class="comment"> {</span>
00082 <span class="comment"> nldebug( "Deleting sparse sound" );</span>
00083 <span class="comment"> delete (*ipsnds);</span>
00084 <span class="comment"> }</span>
00085 <span class="comment"> */</span>
00086 }
</pre></div> </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourceb0" doxytag="NLSOUND::CAmbiantSource::calcPosInCycle" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> TTime NLSOUND::CAmbiantSource::calcPosInCycle </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">bool & </td>
<td class="mdname" nowrap> <em>crossfade</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="a04558.html#a11">uint32</a> & </td>
<td class="mdname" nowrap> <em>leadchannel</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Calc pos in cycle.
<p>
<p>
Definition at line <a class="el" href="a05427.html#l00212">212</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05428.html#l00114">_CrossfadeTime</a>, <a class="el" href="a05428.html#l00115">_SustainTime</a>, and <a class="el" href="a05981.html#l00100">uint32</a>.
<p>
Referenced by <a class="el" href="a05427.html#l00130">enable()</a>, and <a class="el" href="a05427.html#l00239">update()</a>.
<p>
<div class="fragment"><pre>00213 {
00214 <a class="code" href="a05378.html#a242">TTime</a> pos = CTime::getLocalTime();
00215 <a class="code" href="a04558.html#a11">uint32</a> cycletime = <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer1">_CrossfadeTime</a> + <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer11">_SustainTime</a>;
00216 pos = pos % (cycletime*2);
00217
00218 <span class="comment">// Calc which channel will be the lead one</span>
00219 <span class="keywordflow">if</span> ( pos < cycletime )
00220 {
00221 leadchannel = 0;
00222 }
00223 <span class="keywordflow">else</span>
00224 {
00225 leadchannel = 1;
00226 pos = pos - (cycletime);
00227 }
00228
00229 <span class="comment">// Calc if the pos is in the first part (crossfade) or in the other part (sustain)</span>
00230 crossfade = ( pos < <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer1">_CrossfadeTime</a> );
00231
00232 <span class="keywordflow">return</span> pos;
00233 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourceb1" doxytag="NLSOUND::CAmbiantSource::calcRandomSparseSoundTime" ></a><p>
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<td class="md" nowrap valign="top"> void NLSOUND::CAmbiantSource::calcRandomSparseSoundTime </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="a02246.html">TSoundId</a> </td>
<td class="mdname1" valign="top" nowrap> <em>currentsparesound</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Calculate the next time a sparse sound plays (set NULL for no current sound).
<p>
<p>
Definition at line <a class="el" href="a05427.html#l00353">353</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05428.html#l00111">_NextSparseSoundTime</a>, <a class="el" href="a05428.html#l00116">_SparseAvgPeriod</a>, <a class="el" href="a02246.html#NLSOUND_1_1CSounda5">NLSOUND::CSound::getDuration()</a>, <a class="el" href="a05622.html#l00101">nldebug</a>, <a class="el" href="a06630.html#l00069">NLSOUND::TSoundId</a>, <a class="el" href="a05981.html#l00105">uint</a>, and <a class="el" href="a05981.html#l00100">uint32</a>.
<p>
Referenced by <a class="el" href="a05427.html#l00130">enable()</a>, and <a class="el" href="a05427.html#l00239">update()</a>.
<p>
<div class="fragment"><pre>00354 {
00355 <a class="code" href="a04558.html#a11">uint32</a> delay = (<a class="code" href="a04558.html#a15">uint</a>)((<span class="keywordtype">float</span>)rand() * (<span class="keywordtype">float</span>)(<a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer5">_SparseAvgPeriod</a>*2) / (<span class="keywordtype">float</span>)RAND_MAX);
00356
00357 <span class="comment">// Check the next sound will play after the current one</span>
00358 <span class="keywordflow">if</span> ( currentsparesound != NULL )
00359 {
00360 <a class="code" href="a04558.html#a11">uint32</a> soundlength = currentsparesound->getDuration();
00361 <span class="keywordflow">if</span> ( delay <= soundlength )
00362 {
00363 delay = soundlength+1;
00364 }
00365 }
00366
00367 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: EnvSound: Next sparse sound will play in %u ms"</span>, delay );
00368 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer2">_NextSparseSoundTime</a> = CTime::getLocalTime() + delay;
00369 }
</pre></div> </td>
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</table>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourcea1" doxytag="NLSOUND::CAmbiantSource::enable" ></a><p>
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<td class="md" nowrap valign="top"> void NLSOUND::CAmbiantSource::enable </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">bool </td>
<td class="mdname" nowrap> <em>toplay</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>gain</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Enable (play with high priority) and set general gain, or disable (stop and set low priority).
<p>
<p>
Definition at line <a class="el" href="a05427.html#l00130">130</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05428.html#l00105">_AmbiantSounds</a>, <a class="el" href="a05428.html#l00098">_Play</a>, <a class="el" href="a05428.html#l00101">_StereoChannels</a>, <a class="el" href="a05428.html#l00102">_StereoGain</a>, <a class="el" href="a05677.html#l00045">AMBIANT_CH1</a>, <a class="el" href="a05427.html#l00212">calcPosInCycle()</a>, <a class="el" href="a05427.html#l00353">calcRandomSparseSoundTime()</a>, <a class="el" href="a06391.html#l00069">NLSOUND::CSimpleSource::getSound()</a>, <a class="el" href="a05381.html#a82a65">NLSOUND::HighPri</a>, <a class="el" href="a05381.html#a82a67">NLSOUND::LowPri</a>, <a class="el" href="a05622.html#l00101">nldebug</a>, <a class="el" href="a06390.html#l00126">NLSOUND::CSimpleSource::play()</a>, <a class="el" href="a06427.html#l00076">NLSOUND::CSourceCommon::setPriority()</a>, <a class="el" href="a05677.html#l00047">SPARSE_CH</a>, <a class="el" href="a06390.html#l00217">NLSOUND::CSimpleSource::stop()</a>, and <a class="el" href="a05981.html#l00100">uint32</a>.
<p>
<div class="fragment"><pre>00131 {
00132 <span class="comment">// Calc position in cycle</span>
00133 <span class="keywordtype">bool</span> crossfade;
00134 <a class="code" href="a04558.html#a11">uint32</a> leadchannel;
00135 <span class="keywordflow">if</span> ( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer0">_AmbiantSounds</a>.size() > 1 )
00136 {
00137 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb0">calcPosInCycle</a>( crossfade, leadchannel );
00138 }
00139 <span class="keywordflow">else</span>
00140 {
00141 crossfade = <span class="keyword">false</span>;
00142 leadchannel = <a class="code" href="a04254.html#a1">AMBIANT_CH1</a>;
00143 }
00144
00145 <span class="comment">// Enable/disable</span>
00146 <span class="keywordflow">if</span> ( toplay )
00147 {
00148 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer9">_StereoGain</a> = gain;
00149
00150 <span class="keywordflow">if</span> ( ! <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer3">_Play</a> )
00151 {
00152 <span class="comment">// Start lead channel</span>
00153 <span class="keywordflow">if</span> ( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].getSound() != NULL )
00154 {
00155 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: Envsound: Switch on channel %u"</span>, leadchannel );
00156 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].setPriority( HighPri ) ;
00157 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].play();
00158 }
00159
00160 <span class="comment">// If crossfading, start back channel</span>
00161 <span class="keywordflow">if</span> ( crossfade && (<a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[1-leadchannel].getSound() != NULL) )
00162 {
00163 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: Envsound: Switch on channel %u"</span>, 1-leadchannel );
00164 _StereoChannels[1-leadchannel].setPriority( HighPri ) ;
00165 _StereoChannels[1-leadchannel].play();
00166 }
00167
00168 <span class="comment">// Calc when the next spare sound will play</span>
00169 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb1">calcRandomSparseSoundTime</a>( NULL );
00170
00171 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer3">_Play</a> = <span class="keyword">true</span>;
00172 }
00173 <span class="comment">// The SPARSE_CH is added only when needed</span>
00174 }
00175 <span class="keywordflow">else</span>
00176 {
00177 <span class="keywordflow">if</span> ( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer3">_Play</a> )
00178 {
00179 <span class="comment">// Stop lead channel</span>
00180 <span class="keywordflow">if</span> ( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].getSound() != NULL )
00181 {
00182 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: Envsound: Switch off channel %u"</span>, leadchannel );
00183 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].stop();
00184 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].setPriority( LowPri );
00185 }
00186
00187 <span class="comment">// If crossfading, stop back channel</span>
00188 <span class="keywordflow">if</span> ( crossfade && (<a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[1-leadchannel].getSound() != NULL) )
00189 {
00190 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: Envsound: Switch off channel %u"</span>, 1-leadchannel );
00191 _StereoChannels[1-leadchannel].stop();
00192 _StereoChannels[1-leadchannel].setPriority( LowPri );
00193 }
00194
00195 <span class="comment">// Stop spare channel, anyway</span>
00196 <span class="keywordflow">if</span> ( _StereoChannels[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].getSound() != NULL )
00197 {
00198 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: Envsound: Switch off sparse channel"</span> );
00199 _StereoChannels[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].stop();
00200 _StereoChannels[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].setPriority( LowPri );
00201 }
00202
00203 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer3">_Play</a> = <span class="keyword">false</span>;
00204 }
00205 }
00206 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourcea2" doxytag="NLSOUND::CAmbiantSource::getChannels" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a03395.html">CSimpleSource</a>* NLSOUND::CAmbiantSource::getChannels </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Return the stereo channels (EDIT).
<p>
<p>
Definition at line <a class="el" href="a05428.html#l00079">79</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
<p>
References <a class="el" href="a05428.html#l00101">_StereoChannels</a>.
<p>
<div class="fragment"><pre>00079 { <span class="keywordflow">return</span> <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>; }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourceb2" doxytag="NLSOUND::CAmbiantSource::getRandomSound" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a02246.html">TSoundId</a> NLSOUND::CAmbiantSource::getRandomSound </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const std::vector< <a class="el" href="a02246.html">CSound</a> * > & </td>
<td class="mdname1" valign="top" nowrap> <em>bank</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Select a random sound in a bank.
<p>
<p>
Definition at line <a class="el" href="a05427.html#l00336">336</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a05622.html#l00101">nldebug</a>, <a class="el" href="a05646.html#l00993">r</a>, <a class="el" href="a06630.html#l00069">NLSOUND::TSoundId</a>, and <a class="el" href="a05981.html#l00100">uint32</a>.
<p>
Referenced by <a class="el" href="a05427.html#l00092">initPos()</a>, and <a class="el" href="a05427.html#l00239">update()</a>.
<p>
<div class="fragment"><pre>00337 {
00338 <a class="code" href="a04199.html#a6">nlassert</a>( ! bank.empty() );
00339 <span class="comment">// Note: does not work with a very big size (rand()*bank.size() would overflow)</span>
00340 <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a628">r</a> = rand()*bank.size()/(RAND_MAX+1);
00341 <a class="code" href="a04199.html#a6">nlassert</a>( r < bank.size() );
00342 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: EnvSound: Prepared random sound number %u of %u"</span>, r, bank.size()-1 );
00343
00344 <span class="keywordflow">return</span> bank[<a class="code" href="a04223.html#a628">r</a>];
00345 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourcee0" doxytag="NLSOUND::CAmbiantSource::init" ></a><p>
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<tr>
<td class="md" nowrap valign="top"> void NLSOUND::CAmbiantSource::init </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Static init (call at the very beginning).
<p>
<p>
Definition at line <a class="el" href="a05428.html#l00059">59</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
<p>
<div class="fragment"><pre>00060 {
00061 <span class="comment">//NLMISC_REGISTER_CLASS(CAmbiantSource); </span>
00062 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourcea3" doxytag="NLSOUND::CAmbiantSource::initPos" ></a><p>
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<td class="md" nowrap valign="top"> void NLSOUND::CAmbiantSource::initPos </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="a03128.html">NLMISC::CVector</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>posvector</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
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<p>
Init. You can pass a position vector to link to (if the playable has stereo source(s)) When reading from a stream, call <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcee0">init()</a> *after* serial().
<p>
Definition at line <a class="el" href="a05427.html#l00092">92</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05428.html#l00105">_AmbiantSounds</a>, <a class="el" href="a05428.html#l00105">_SparseSounds</a>, <a class="el" href="a05428.html#l00101">_StereoChannels</a>, <a class="el" href="a05677.html#l00045">AMBIANT_CH1</a>, <a class="el" href="a05677.html#l00046">AMBIANT_CH2</a>, <a class="el" href="a05427.html#l00336">getRandomSound()</a>, <a class="el" href="a05381.html#a82a67">NLSOUND::LowPri</a>, <a class="el" href="a06428.html#l00088">NLSOUND::CSourceCommon::set3DPositionVector()</a>, <a class="el" href="a06390.html#l00326">NLSOUND::CSimpleSource::setGain()</a>, <a class="el" href="a06427.html#l00076">NLSOUND::CSourceCommon::setPriority()</a>, and <a class="el" href="a05677.html#l00047">SPARSE_CH</a>.
<p>
<div class="fragment"><pre>00093 {
00094 <span class="comment">// Initialize ambiant sound channels</span>
00095 <span class="keywordflow">if</span> ( ! <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer0">_AmbiantSounds</a>.empty() )
00096 {
00097 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a1">AMBIANT_CH1</a>].set3DPositionVector( posvector );
00098 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a1">AMBIANT_CH1</a>].setSound( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb2">getRandomSound</a>( _AmbiantSounds ) );
00099 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a1">AMBIANT_CH1</a>].setGain( 0.0f );
00100 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a1">AMBIANT_CH1</a>].setPriority( LowPri);
00101 CAudioMixerUser::instance()->addSource( &_StereoChannels[AMBIANT_CH1] );
00102 CAudioMixerUser::instance()->giveTrack( &_StereoChannels[AMBIANT_CH1] );
00103
00104 <span class="keywordflow">if</span> ( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer0">_AmbiantSounds</a>.size() > 1 )
00105 {
00106 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a2">AMBIANT_CH2</a>].set3DPositionVector( posvector );
00107 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a2">AMBIANT_CH2</a>].setSound( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb2">getRandomSound</a>( _AmbiantSounds ) );
00108 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a2">AMBIANT_CH2</a>].setGain( 0.0f );
00109 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a2">AMBIANT_CH2</a>].setPriority( LowPri);
00110 CAudioMixerUser::instance()->addSource( &_StereoChannels[AMBIANT_CH2] );
00111 CAudioMixerUser::instance()->giveTrack( &_StereoChannels[AMBIANT_CH2] );
00112 }
00113 }
00114
00115 <span class="comment">// Initialize sparse sounds channel</span>
00116 <span class="keywordflow">if</span> ( ! <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer6">_SparseSounds</a>.empty() )
00117 {
00118 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].set3DPositionVector( posvector );
00119 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].setPriority( LowPri );
00120 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].setSound( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb2">getRandomSound</a>( _SparseSounds ) );
00121 CAudioMixerUser::instance()->addSource( &_StereoChannels[SPARSE_CH] );
00122 CAudioMixerUser::instance()->giveTrack( &_StereoChannels[SPARSE_CH] );
00123 }
00124 }
</pre></div> </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcea4" doxytag="NLSOUND::CAmbiantSource::setProperties" ></a><p>
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<td class="md" nowrap valign="top"> void NLSOUND::CAmbiantSource::setProperties </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">std::vector< <a class="el" href="a02246.html">TSoundId</a> > & </td>
<td class="mdname" nowrap> <em>ambiantsounds</em>, </td>
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<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>std::vector< <a class="el" href="a02246.html">TSoundId</a> > & </td>
<td class="mdname" nowrap> <em>sparsesounds</em>, </td>
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<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="a04558.html#a11">uint32</a> </td>
<td class="mdname" nowrap> <em>crossfadeTimeMs</em> = 4000, </td>
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<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="a04558.html#a11">uint32</a> </td>
<td class="mdname" nowrap> <em>sustainTimeMs</em> = 16000, </td>
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<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="a04558.html#a11">uint32</a> </td>
<td class="mdname" nowrap> <em>sparseAvgPeriodMs</em> = 30000</td>
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<td class="md">) </td>
<td class="md" colspan="2"></td>
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<p>
Set properties (EDIT).
<p>
<p>
Definition at line <a class="el" href="a05427.html#l00406">406</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05428.html#l00105">_AmbiantSounds</a>, <a class="el" href="a05428.html#l00114">_CrossfadeTime</a>, <a class="el" href="a05428.html#l00116">_SparseAvgPeriod</a>, <a class="el" href="a05428.html#l00105">_SparseSounds</a>, <a class="el" href="a05428.html#l00115">_SustainTime</a>, and <a class="el" href="a05981.html#l00100">uint32</a>.
<p>
<div class="fragment"><pre>00410 {
00411 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer0">_AmbiantSounds</a> = ambiantsounds;
00412 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer6">_SparseSounds</a> = sparsesounds;
00413 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer1">_CrossfadeTime</a> = crossfadeTimeMs;
00414 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer11">_SustainTime</a> = sustainTimeMs;
00415 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer5">_SparseAvgPeriod</a> = sparseAvgPeriodMs;
00416 }
</pre></div> </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcea5" doxytag="NLSOUND::CAmbiantSource::update" ></a><p>
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<td class="md" nowrap valign="top"> void NLSOUND::CAmbiantSource::update </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
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</td>
<td>
<p>
Update.
<p>
<p>
Definition at line <a class="el" href="a05427.html#l00239">239</a> of file <a class="el" href="a05427.html">ambiant_source.cpp</a>.
<p>
References <a class="el" href="a05428.html#l00105">_AmbiantSounds</a>, <a class="el" href="a05428.html#l00114">_CrossfadeTime</a>, <a class="el" href="a05428.html#l00111">_NextSparseSoundTime</a>, <a class="el" href="a05428.html#l00098">_Play</a>, <a class="el" href="a05428.html#l00105">_SparseSounds</a>, <a class="el" href="a05428.html#l00101">_StereoChannels</a>, <a class="el" href="a05428.html#l00102">_StereoGain</a>, <a class="el" href="a05428.html#l00109">_Sustain</a>, <a class="el" href="a05677.html#l00045">AMBIANT_CH1</a>, <a class="el" href="a05427.html#l00212">calcPosInCycle()</a>, <a class="el" href="a05427.html#l00353">calcRandomSparseSoundTime()</a>, <a class="el" href="a05427.html#l00336">getRandomSound()</a>, <a class="el" href="a06391.html#l00069">NLSOUND::CSimpleSource::getSound()</a>, <a class="el" href="a06391.html#l00129">NLSOUND::CSimpleSource::getTrack()</a>, <a class="el" href="a05381.html#a82a65">NLSOUND::HighPri</a>, <a class="el" href="a05381.html#a82a66">NLSOUND::MidPri</a>, <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a05622.html#l00101">nldebug</a>, <a class="el" href="a06390.html#l00126">NLSOUND::CSimpleSource::play()</a>, <a class="el" href="a06427.html#l00076">NLSOUND::CSourceCommon::setPriority()</a>, <a class="el" href="a06390.html#l00337">NLSOUND::CSimpleSource::setRelativeGain()</a>, <a class="el" href="a05677.html#l00047">SPARSE_CH</a>, <a class="el" href="a06390.html#l00217">NLSOUND::CSimpleSource::stop()</a>, <a class="el" href="a06630.html#l00069">NLSOUND::TSoundId</a>, and <a class="el" href="a05981.html#l00100">uint32</a>.
<p>
<div class="fragment"><pre>00240 {
00241 <span class="keywordflow">if</span> ( (!<a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer3">_Play</a>) || (<a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer9">_StereoGain</a>==0.0f) )
00242 {
00243 <span class="keywordflow">return</span>;
00244 }
00245
00246 <span class="comment">// Calc pos in cycle</span>
00247 <span class="keywordtype">bool</span> crossfade;
00248 <a class="code" href="a04558.html#a11">uint32</a> leadchannel, backchannel=0;
00249 <a class="code" href="a05378.html#a242">TTime</a> posInCycle=0;
00250 <span class="keywordflow">if</span> ( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer0">_AmbiantSounds</a>.size() > 1 )
00251 {
00252 posInCycle = <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb0">calcPosInCycle</a>( crossfade, leadchannel );
00253 backchannel = 1 - leadchannel;
00254 }
00255 <span class="keywordflow">else</span>
00256 {
00257 <span class="comment">// If there is less than 2 sounds, no crossfade, always sustain (a single sound must be looping)</span>
00258 crossfade = <span class="keyword">false</span>;
00259 leadchannel = <a class="code" href="a04254.html#a1">AMBIANT_CH1</a>;
00260 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer10">_Sustain</a> = <span class="keyword">true</span>;
00261 }
00262
00263 <span class="comment">// Crossfade the first two sources</span>
00264 <span class="keywordflow">if</span> ( crossfade )
00265 {
00266 <span class="comment">// Attack</span>
00267 <span class="keywordtype">float</span> ratio = (<span class="keywordtype">float</span>)posInCycle / (<span class="keywordtype">float</span>)<a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer1">_CrossfadeTime</a>;
00268 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].setRelativeGain( ratio*_StereoGain );
00269 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[backchannel].setRelativeGain( (1.0f - ratio)*_StereoGain );
00270
00271 <span class="comment">// Start next sound</span>
00272 <span class="keywordflow">if</span> ( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer10">_Sustain</a> )
00273 {
00274 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: EnvSound: Beginning crossfade: channel #%u rising"</span>, leadchannel );
00275 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].setPriority( HighPri ) ;
00276 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].play();
00277 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer10">_Sustain</a> = <span class="keyword">false</span>;
00278 }
00279 }
00280 <span class="keywordflow">else</span>
00281 {
00282 <span class="comment">// Set sustain gain (takes into account the possible changes to _StereoGain)</span>
00283 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].setRelativeGain( _StereoGain );
00284
00285 <span class="comment">// Prepare next ambiant sound</span>
00286 <span class="keywordflow">if</span> ( ! <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer10">_Sustain</a> )
00287 {
00288 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer10">_Sustain</a> = <span class="keyword">true</span>;
00289 <a class="code" href="a05381.html#a62">TSoundId</a> nextsound = <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb2">getRandomSound</a>( _AmbiantSounds );
00290 <span class="preprocessor">#ifdef ENVSOUND_DONT_DUPLICATE_AMBIANT</span>
00291 <span class="preprocessor"></span> <a class="code" href="a04199.html#a6">nlassert</a>( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer0">_AmbiantSounds</a>.size() > 1 ); <span class="comment">// or infinite loop</span>
00292 <span class="keywordflow">while</span> ( nextsound == <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[leadchannel].getSound() )
00293 {
00294 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: EnvSound: Avoiding ambiant sound duplication..."</span> );
00295 nextsound = <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb2">getRandomSound</a>( _AmbiantSounds );
00296 }
00297 <span class="preprocessor">#endif</span>
00298 <span class="preprocessor"></span> <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: EnvSound: Sustain: channel #1"</span> );
00299 _StereoChannels[backchannel].setRelativeGain( 0.0f );
00300 _StereoChannels[backchannel].stop(); <span class="comment">// we don't set the priority to LowPri</span>
00301 _StereoChannels[backchannel].setSound( nextsound );
00302 }
00303 }
00304
00305 <span class="comment">// Add a short random sound into the third source</span>
00306 <span class="keywordflow">if</span> ( ! <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer6">_SparseSounds</a>.empty() )
00307 {
00308 <span class="comment">// Set sustain gain (takes into account the possible changes to _StereoGain)</span>
00309 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].setRelativeGain( _StereoGain );
00310
00311 <span class="comment">// Start next sparse sound</span>
00312 <a class="code" href="a05378.html#a242">TTime</a> now = CTime::getLocalTime();
00313 <span class="keywordflow">if</span> ( now > <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer2">_NextSparseSoundTime</a> )
00314 {
00315 <a class="code" href="a05381.html#a62">TSoundId</a> nextsound = <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb2">getRandomSound</a>( _SparseSounds );
00316 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].stop();
00317 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].setSound( nextsound );
00318 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].setPriority( MidPri );
00319 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].play();
00320 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: EnvSound: Playing sparse sound"</span> );
00321 <span class="keywordflow">if</span> ( <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">_StereoChannels</a>[<a class="code" href="a04254.html#a3">SPARSE_CH</a>].getTrack() == NULL )
00322 {
00323 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"AM: Ensound: Switch on sparse channel"</span> );
00324 <a class="code" href="a04199.html#a6">nlassert</a>( _StereoChannels[SPARSE_CH].getSound() != NULL );
00325 }
00326 <span class="comment">// Does not leave the track</span>
00327 <a class="code" href="a02194.html#NLSOUND_1_1CAmbiantSourceb1">calcRandomSparseSoundTime</a>( nextsound );
00328 }
00329 }
00330 }
</pre></div> </td>
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<hr><h2>Field Documentation</h2>
<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer0" doxytag="NLSOUND::CAmbiantSource::_AmbiantSounds" ></a><p>
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<td class="md" nowrap valign="top"> std::vector<<a class="el" href="a02246.html">CSound</a>*> <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer0">NLSOUND::CAmbiantSource::_AmbiantSounds</a><code> [private]</code>
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<p>
<p>
Definition at line <a class="el" href="a05428.html#l00105">105</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
<p>
Referenced by <a class="el" href="a05427.html#l00130">enable()</a>, <a class="el" href="a05427.html#l00092">initPos()</a>, <a class="el" href="a05427.html#l00406">setProperties()</a>, and <a class="el" href="a05427.html#l00239">update()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer1" doxytag="NLSOUND::CAmbiantSource::_CrossfadeTime" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a11">uint32</a> <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer1">NLSOUND::CAmbiantSource::_CrossfadeTime</a><code> [private]</code>
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<p>
<p>
Definition at line <a class="el" href="a05428.html#l00114">114</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
<p>
Referenced by <a class="el" href="a05427.html#l00212">calcPosInCycle()</a>, <a class="el" href="a05427.html#l00406">setProperties()</a>, and <a class="el" href="a05427.html#l00239">update()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer2" doxytag="NLSOUND::CAmbiantSource::_NextSparseSoundTime" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a05378.html#a242">NLMISC::TTime</a> <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer2">NLSOUND::CAmbiantSource::_NextSparseSoundTime</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00111">111</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
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Referenced by <a class="el" href="a05427.html#l00353">calcRandomSparseSoundTime()</a>, and <a class="el" href="a05427.html#l00239">update()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer3" doxytag="NLSOUND::CAmbiantSource::_Play" ></a><p>
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<td class="md" nowrap valign="top"> bool <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer3">NLSOUND::CAmbiantSource::_Play</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00098">98</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
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Referenced by <a class="el" href="a05427.html#l00130">enable()</a>, and <a class="el" href="a05427.html#l00239">update()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer4" doxytag="NLSOUND::CAmbiantSource::_RandomSoundChosen" ></a><p>
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<td class="md" nowrap valign="top"> bool <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer4">NLSOUND::CAmbiantSource::_RandomSoundChosen</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00110">110</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer5" doxytag="NLSOUND::CAmbiantSource::_SparseAvgPeriod" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a11">uint32</a> <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer5">NLSOUND::CAmbiantSource::_SparseAvgPeriod</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00116">116</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
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Referenced by <a class="el" href="a05427.html#l00353">calcRandomSparseSoundTime()</a>, and <a class="el" href="a05427.html#l00406">setProperties()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer6" doxytag="NLSOUND::CAmbiantSource::_SparseSounds" ></a><p>
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<td class="md" nowrap valign="top"> std::vector<<a class="el" href="a02246.html">CSound</a>*> <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer6">NLSOUND::CAmbiantSource::_SparseSounds</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00105">105</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
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Referenced by <a class="el" href="a05427.html#l00092">initPos()</a>, <a class="el" href="a05427.html#l00406">setProperties()</a>, and <a class="el" href="a05427.html#l00239">update()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer7" doxytag="NLSOUND::CAmbiantSource::_StartTime" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a05378.html#a242">NLMISC::TTime</a> <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer7">NLSOUND::CAmbiantSource::_StartTime</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00108">108</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer8" doxytag="NLSOUND::CAmbiantSource::_StereoChannels" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a03395.html">CSimpleSource</a> <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer8">NLSOUND::CAmbiantSource::_StereoChannels</a>[ 3 ]<code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00101">101</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
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Referenced by <a class="el" href="a05427.html#l00047">CAmbiantSource()</a>, <a class="el" href="a05427.html#l00130">enable()</a>, <a class="el" href="a05428.html#l00079">getChannels()</a>, <a class="el" href="a05427.html#l00092">initPos()</a>, <a class="el" href="a05427.html#l00239">update()</a>, and <a class="el" href="a05427.html#l00067">~CAmbiantSource()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer9" doxytag="NLSOUND::CAmbiantSource::_StereoGain" ></a><p>
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<td class="md" nowrap valign="top"> float <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer9">NLSOUND::CAmbiantSource::_StereoGain</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00102">102</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
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Referenced by <a class="el" href="a05427.html#l00130">enable()</a>, and <a class="el" href="a05427.html#l00239">update()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer10" doxytag="NLSOUND::CAmbiantSource::_Sustain" ></a><p>
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<td class="md" nowrap valign="top"> bool <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer10">NLSOUND::CAmbiantSource::_Sustain</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00109">109</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
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Referenced by <a class="el" href="a05427.html#l00239">update()</a>. </td>
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<a class="anchor" name="NLSOUND_1_1CAmbiantSourcer11" doxytag="NLSOUND::CAmbiantSource::_SustainTime" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a11">uint32</a> <a class="el" href="a02194.html#NLSOUND_1_1CAmbiantSourcer11">NLSOUND::CAmbiantSource::_SustainTime</a><code> [private]</code>
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Definition at line <a class="el" href="a05428.html#l00115">115</a> of file <a class="el" href="a05428.html">ambiant_source.h</a>.
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Referenced by <a class="el" href="a05427.html#l00212">calcPosInCycle()</a>, and <a class="el" href="a05427.html#l00406">setProperties()</a>. </td>
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<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="a05428.html">ambiant_source.h</a><li><a class="el" href="a05427.html">ambiant_source.cpp</a></ul>
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