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<hr><h1>source_al.cpp</h1><a href="source__al_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="stdopenal_8h.html">stdopenal.h</a>"</font>
00027 
00028 <font class="preprocessor">#include "<a class="code" href="source__al_8h.html">source_al.h</a>"</font>
00029 
00030 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00031 
00032 
00033 <font class="keyword">namespace </font>NLSOUND {
00034 
00035 
00036 <font class="comment">// Currently, the OpenAL headers are different between Windows and Linux versions !</font>
00037 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00038 <font class="preprocessor"></font><font class="preprocessor">#define alGetSourcei alGetSourceiv</font>
00039 <font class="preprocessor"></font><font class="preprocessor">#define alGetSourcef alGetSourcefv</font>
00040 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00041 <font class="preprocessor"></font>
00042 
00043 <font class="comment">/*</font>
00044 <font class="comment"> * Constructor</font>
00045 <font class="comment"> */</font>
<a name="l00046"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#a0">00046</a> CSourceAL::CSourceAL( ALuint sourcename ) : ISource(), _SourceName(sourcename)
00047 {}
00048 
00049 
00050 <font class="comment">/*</font>
00051 <font class="comment"> * Destructor</font>
00052 <font class="comment"> */</font>
<a name="l00053"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#a1">00053</a> CSourceAL::~CSourceAL()
00054 {
00055         CSoundDriverAL *sdal = CSoundDriverAL::instance();
00056         sdal-&gt;removeSource( <font class="keyword">this</font> );
00057 }
00058 
00059 
00060 <font class="comment">/* Set the buffer that will be played (no streaming)</font>
00061 <font class="comment"> * If the buffer is stereo, the source mode becomes stereo and the source relative mode is on,</font>
00062 <font class="comment"> * otherwise the source is considered as a 3D source.</font>
00063 <font class="comment"> */</font>
<a name="l00064"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z975_0">00064</a> <font class="keywordtype">void</font>                                    CSourceAL::setStaticBuffer( IBuffer *buffer )
00065 {
00066         ISource::setStaticBuffer( buffer );
00067 
00068         <font class="comment">// Stop source</font>
00069         alSourceStop( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a> );
00070         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00071 
00072         <font class="comment">// Set buffer</font>
00073         <font class="keywordflow">if</font> ( buffer == NULL )
00074         {
00075                 alSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_BUFFER, AL_NONE );
00076                 <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00077         }
00078         <font class="keywordflow">else</font>
00079         {
00080                 CBufferAL *bufferAL = dynamic_cast&lt;CBufferAL*&gt;(buffer);
00081                 alSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_BUFFER, bufferAL-&gt;bufferName() );
00082                 <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00083 
00084                 <font class="comment">// Set relative mode if the buffer is stereo</font>
00085                 <a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_10">setSourceRelativeMode</a>( bufferAL-&gt;isStereo() );
00086         }
00087 }
00088 
00089 
00090 <font class="comment">/*</font>
00091 <font class="comment"> * Set looping on/off for future playbacks (default: off)</font>
00092 <font class="comment"> */</font>
<a name="l00093"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z976_0">00093</a> <font class="keywordtype">void</font>                                    CSourceAL::setLooping( <font class="keywordtype">bool</font> <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> )
00094 {
00095         alSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_LOOPING, <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>?AL_TRUE:AL_FALSE );
00096         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00097 }
00098 
00099 
00100 <font class="comment">/*</font>
00101 <font class="comment"> * Return the looping state</font>
00102 <font class="comment"> */</font>
<a name="l00103"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z976_1">00103</a> <font class="keywordtype">bool</font>                                    CSourceAL::getLooping()<font class="keyword"> const</font>
00104 <font class="keyword"></font>{
00105         ALint b;
00106         alGetSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_LOOPING, &amp;b );
00107         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00108         <font class="keywordflow">return</font> ( b == AL_TRUE );
00109 }
00110 
00111 
00112 <font class="comment">/*</font>
00113 <font class="comment"> * Play the static buffer (or stream in and play)</font>
00114 <font class="comment"> */</font>
<a name="l00115"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z976_2">00115</a> <font class="keywordtype">bool</font>            CSourceAL::play()
00116 {
00117         <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1ISource.html#n0">_Buffer</a> != NULL )
00118         {
00119                 <font class="comment">// Static playing mode</font>
00120                 alSourcePlay( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a> );
00121                 <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00122         }
00123         <font class="keywordflow">else</font>
00124         {
00125                 <font class="comment">// Streaming mode</font>
00126                 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"AM: Cannot play null buffer; streaming not implemented"</font> );
00127                 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00128         }
00129 
00130         <font class="comment">// TODO : return a correct value, depending on alSourcePlay result.</font>
00131         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00132 }
00133 
00134 
00135 <font class="comment">/*</font>
00136 <font class="comment"> * Stop playing</font>
00137 <font class="comment"> */</font>
<a name="l00138"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z976_3">00138</a> <font class="keywordtype">void</font>                                    CSourceAL::stop()
00139 {
00140         <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1ISource.html#n0">_Buffer</a> != NULL )
00141         {
00142                 <font class="comment">// Static playing mode</font>
00143                 alSourceStop( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a> );
00144                 <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00145         }
00146         <font class="keywordflow">else</font>
00147         {
00148                 <font class="comment">// Streaming mode</font>
00149                 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"AM: Cannot stop null buffer; streaming not implemented"</font> );
00150                 <font class="comment">//nlstop;</font>
00151         }
00152 }
00153 
00154 
00155 <font class="comment">/*</font>
00156 <font class="comment"> * Pause. Call play() to resume.</font>
00157 <font class="comment"> */</font>
<a name="l00158"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z976_4">00158</a> <font class="keywordtype">void</font>                                    CSourceAL::pause()
00159 {
00160         <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1ISource.html#n0">_Buffer</a> != NULL )
00161         {
00162                 <font class="comment">// Static playing mode</font>
00163                 alSourcePause( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a> );
00164                 <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00165         }
00166         <font class="keywordflow">else</font>
00167         {
00168                 <font class="comment">// Streaming mode</font>
00169                 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"AM: Cannot pause null buffer; streaming not implemented"</font> );
00170                 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00171         }
00172 }
00173 
00174 
00175 <font class="comment">/*</font>
00176 <font class="comment"> * Return the playing state</font>
00177 <font class="comment"> */</font>
<a name="l00178"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z976_5">00178</a> <font class="keywordtype">bool</font>                                    CSourceAL::isPlaying()<font class="keyword"> const</font>
00179 <font class="keyword"></font>{
00180         ALint srcstate;
00181         alGetSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_SOURCE_STATE, &amp;srcstate );
00182         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00183         <font class="keywordflow">return</font> (srcstate == AL_PLAYING);
00184 }
00185 
00186 
00187 <font class="comment">/*</font>
00188 <font class="comment"> * Return true if playing is finished or stop() has been called.</font>
00189 <font class="comment"> */</font>
<a name="l00190"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z976_6">00190</a> <font class="keywordtype">bool</font>                                    CSourceAL::isStopped()<font class="keyword"> const</font>
00191 <font class="keyword"></font>{
00192         ALint srcstate;
00193         alGetSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_SOURCE_STATE, &amp;srcstate );
00194         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00195         <font class="keywordflow">return</font> (srcstate == AL_STOPPED);
00196 }
00197 
00198 
00199 <font class="comment">/*</font>
00200 <font class="comment"> * Update the source (e.g. continue to stream the data in)</font>
00201 <font class="comment"> */</font>
<a name="l00202"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z976_7">00202</a> <font class="keywordtype">void</font>                                    CSourceAL::update()
00203 {
00204         <font class="comment">// Streaming not implemented</font>
00205 }
00206 
00207 
00208 
00209 <font class="comment">/* Set the position vector.</font>
00210 <font class="comment"> * 3D mode -&gt; 3D position</font>
00211 <font class="comment"> * st mode -&gt; x is the pan value (from left (-1) to right (1)), set y and z to 0</font>
00212 <font class="comment"> */</font>
<a name="l00213"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_0">00213</a> <font class="keywordtype">void</font>                                    CSourceAL::setPos( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; pos )
00214 {
00215         <a class="code" href="classNLSOUND_1_1CSourceAL.html#o1">_Pos</a> = pos;
00216         <font class="comment">// Coordinate system: conversion from NeL to OpenAL/GL:</font>
00217         alSource3f( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_POSITION, pos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, pos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, -pos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> );
00218         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00219 }
00220 
00221 
00222 <font class="comment">/* Get the position vector.</font>
00223 <font class="comment"> * See setPos() for details.</font>
00224 <font class="comment"> */</font>
<a name="l00225"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_1">00225</a> <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;CSourceAL::getPos()<font class="keyword"> const</font>
00226 <font class="keyword"></font>{
00227         <font class="keywordflow">return</font> <a class="code" href="classNLSOUND_1_1CSourceAL.html#o1">_Pos</a>;
00228 <font class="comment">/*</font>
00229 <font class="comment">        ALfloat v[3];</font>
00230 <font class="comment">        alGetSourcefv( _SourceName, AL_POSITION, v );</font>
00231 <font class="comment">        TestALError();</font>
00232 <font class="comment">        // Coordsys conversion</font>
00233 <font class="comment">        pos.set( v[0], -v[2], v[1] );</font>
00234 <font class="comment">*/</font>
00235 }
00236 
00237 
00238 <font class="comment">/*</font>
00239 <font class="comment"> * Set the velocity vector (3D mode only)</font>
00240 <font class="comment"> */</font>
<a name="l00241"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_2">00241</a> <font class="keywordtype">void</font>                                    CSourceAL::setVelocity( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; vel, <font class="keywordtype">bool</font> deferred )
00242 {
00243         <font class="comment">// Coordsys conversion</font>
00244         alSource3f( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_VELOCITY, vel.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, vel.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, -vel.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> );
00245         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00246 }
00247 
00248 
00249 <font class="comment">/*</font>
00250 <font class="comment"> * Get the velocity vector</font>
00251 <font class="comment"> */</font>
<a name="l00252"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_3">00252</a> <font class="keywordtype">void</font>                                    CSourceAL::getVelocity( <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; vel )<font class="keyword"> const</font>
00253 <font class="keyword"></font>{
00254         ALfloat <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[3];
00255         alGetSourcefv( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_VELOCITY, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> );
00256         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00257         <font class="comment">// Coordsys conversion</font>
00258         vel.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>( <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[0], -<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[2], <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[1] );
00259 }
00260 
00261 
00262 <font class="comment">/*</font>
00263 <font class="comment"> * Set the direction vector (3D mode only)</font>
00264 <font class="comment"> */</font>
<a name="l00265"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_4">00265</a> <font class="keywordtype">void</font>                                    CSourceAL::setDirection( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; dir )
00266 {
00267         <font class="comment">// Coordsys conversion</font>
00268         alSource3f( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_DIRECTION, dir.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, dir.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, -dir.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> );
00269         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00270 }
00271 
00272 
00273 <font class="comment">/*</font>
00274 <font class="comment"> * Get the direction vector</font>
00275 <font class="comment"> */</font>
<a name="l00276"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_5">00276</a> <font class="keywordtype">void</font>                                    CSourceAL::getDirection( <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; dir )<font class="keyword"> const</font>
00277 <font class="keyword"></font>{
00278         ALfloat <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[3];
00279         alGetSourcefv( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_DIRECTION, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> );
00280         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00281         <font class="comment">// Coordsys conversion</font>
00282         dir.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>( <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[0], -<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[2], <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[1] );
00283 }
00284 
00285 
00286 <font class="comment">/* Set the gain (volume value inside [0 , 1]).</font>
00287 <font class="comment"> * 0.0 -&gt; silence</font>
00288 <font class="comment"> * 0.5 -&gt; -6dB</font>
00289 <font class="comment"> * 1.0 -&gt; no attenuation</font>
00290 <font class="comment"> * values &gt; 1 (amplification) not supported by most drivers</font>
00291 <font class="comment"> */</font>
<a name="l00292"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_6">00292</a> <font class="keywordtype">void</font>                                    CSourceAL::setGain( <font class="keywordtype">float</font> gain )
00293 {
00294         <a class="code" href="debug_8h.html#a6">nlassert</a>( (gain &gt;= 0.0f) &amp;&amp; (gain &lt;= 1.0f ) );
00295         alSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_GAIN, gain );
00296         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00297 }
00298 
00299 
00300 <font class="comment">/*</font>
00301 <font class="comment"> * Get the gain</font>
00302 <font class="comment"> */</font>
<a name="l00303"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_7">00303</a> <font class="keywordtype">float</font>                                   CSourceAL::getGain()<font class="keyword"> const</font>
00304 <font class="keyword"></font>{
00305         ALfloat gain;
00306         alGetSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_GAIN, &amp;gain );
00307         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00308         <font class="keywordflow">return</font> gain;
00309 }
00310 
00311 
00312 <font class="comment">/* Shift the frequency. 1.0f equals identity, each reduction of 50% equals a pitch shift</font>
00313 <font class="comment"> * of one octave. 0 is not a legal value.</font>
00314 <font class="comment"> */</font>
<a name="l00315"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_8">00315</a> <font class="keywordtype">void</font>                                    CSourceAL::setPitch( <font class="keywordtype">float</font> pitch )
00316 {
00317         <a class="code" href="debug_8h.html#a6">nlassert</a>( (pitch &gt; 0) &amp;&amp; (pitch &lt;= 1.0f ) );
00318         alSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_PITCH, pitch );
00319         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00320 }
00321 
00322 
00323 <font class="comment">/*</font>
00324 <font class="comment"> * Get the pitch</font>
00325 <font class="comment"> */</font>
<a name="l00326"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_9">00326</a> <font class="keywordtype">float</font>                                   CSourceAL::getPitch()<font class="keyword"> const</font>
00327 <font class="keyword"></font>{
00328         ALfloat pitch;
00329         alGetSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_PITCH, &amp;pitch );
00330         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00331         <font class="keywordflow">return</font> pitch;
00332 }
00333 
00334 
00335 <font class="comment">/*</font>
00336 <font class="comment"> * Set the source relative mode. If true, positions are interpreted relative to the listener position.</font>
00337 <font class="comment"> */</font>
<a name="l00338"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_10">00338</a> <font class="keywordtype">void</font>                                    CSourceAL::setSourceRelativeMode( <font class="keywordtype">bool</font> mode )
00339 {
00340         alSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_SOURCE_RELATIVE, mode?AL_TRUE:AL_FALSE );
00341         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00342 }
00343 
00344 
00345 <font class="comment">/*</font>
00346 <font class="comment"> * Get the source relative mode (3D mode only)</font>
00347 <font class="comment"> */</font>
<a name="l00348"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_11">00348</a> <font class="keywordtype">bool</font>                                    CSourceAL::getSourceRelativeMode()<font class="keyword"> const</font>
00349 <font class="keyword"></font>{
00350         ALint b;
00351         alGetSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_SOURCE_RELATIVE, &amp;b );
00352         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00353         <font class="keywordflow">return</font> (b==AL_TRUE);
00354 }
00355 
00356 
00357 <font class="comment">/*</font>
00358 <font class="comment"> * Set the min and max distances (3D mode only)</font>
00359 <font class="comment"> */</font>
<a name="l00360"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_12">00360</a> <font class="keywordtype">void</font>                                    CSourceAL::setMinMaxDistances( <font class="keywordtype">float</font> mindist, <font class="keywordtype">float</font> maxdist, <font class="keywordtype">bool</font> deferred )
00361 {
00362         <a class="code" href="debug_8h.html#a6">nlassert</a>( (mindist &gt;= 0.0f) &amp;&amp; (maxdist &gt;= 0.0f) );
00363         alSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_REFERENCE_DISTANCE, mindist );
00364         alSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_MAX_DISTANCE, maxdist );
00365         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00366 }
00367 
00368 
00369 <font class="comment">/*</font>
00370 <font class="comment"> * Get the min and max distances</font>
00371 <font class="comment"> */</font>
<a name="l00372"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_13">00372</a> <font class="keywordtype">void</font>                                    CSourceAL::getMinMaxDistances( <font class="keywordtype">float</font>&amp; mindist, <font class="keywordtype">float</font>&amp; maxdist )<font class="keyword"> const</font>
00373 <font class="keyword"></font>{
00374         alGetSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_REFERENCE_DISTANCE, &amp;mindist );
00375         alGetSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_MAX_DISTANCE, &amp;maxdist );
00376         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00377 }
00378 
00379 
00380 <font class="comment">/*</font>
00381 <font class="comment"> * Set the cone angles (in radian) and gain (in [0 , 1]) (3D mode only)</font>
00382 <font class="comment"> */</font>
<a name="l00383"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_14">00383</a> <font class="keywordtype">void</font>                                    CSourceAL::setCone( <font class="keywordtype">float</font> innerAngle, <font class="keywordtype">float</font> outerAngle, <font class="keywordtype">float</font> outerGain )
00384 {
00385         <a class="code" href="debug_8h.html#a6">nlassert</a>( (outerGain &gt;= 0.0f) &amp;&amp; (outerGain &lt;= 1.0f ) );
00386         alSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_CONE_INNER_ANGLE, <a class="code" href="namespaceNLMISC.html#a227">radToDeg</a>(innerAngle) );
00387         alSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_CONE_OUTER_ANGLE, <a class="code" href="namespaceNLMISC.html#a227">radToDeg</a>(outerAngle) );
00388         alSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_CONE_OUTER_GAIN, outerGain );
00389         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00390 }
00391 
00392 
00393 <font class="comment">/*</font>
00394 <font class="comment"> * Get the cone angles (in radian)</font>
00395 <font class="comment"> */</font>
<a name="l00396"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_15">00396</a> <font class="keywordtype">void</font>                                    CSourceAL::getCone( <font class="keywordtype">float</font>&amp; innerAngle, <font class="keywordtype">float</font>&amp; outerAngle, <font class="keywordtype">float</font>&amp; outerGain )<font class="keyword"> const</font>
00397 <font class="keyword"></font>{
00398         <font class="keywordtype">float</font> ina, outa;
00399         alGetSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_CONE_INNER_ANGLE, &amp;ina );
00400         innerAngle = <a class="code" href="namespaceNLMISC.html#a226">degToRad</a>(ina);
00401         alGetSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_CONE_OUTER_ANGLE, &amp;outa );
00402         outerAngle = <a class="code" href="namespaceNLMISC.html#a226">degToRad</a>(outa);
00403         alGetSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_CONE_OUTER_GAIN, &amp;outerGain );
00404         <a class="code" href="sound__driver__al_8h.html#a0">TestALError</a>();
00405 }
00406 
00407 
00408 <font class="comment">/*</font>
00409 <font class="comment"> * Set any EAX source property if EAX available</font>
00410 <font class="comment"> */</font>
<a name="l00411"></a><a class="code" href="classNLSOUND_1_1CSourceAL.html#z977_16">00411</a> <font class="keywordtype">void</font>                                    CSourceAL::setEAXProperty( uint prop, <font class="keywordtype">void</font> *<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, uint valuesize )
00412 {
00413 <font class="preprocessor">#ifdef EAX_AVAILABLE</font>
00414 <font class="preprocessor"></font>        <font class="keywordflow">if</font> ( EAXSetProp != NULL )
00415         {
00416                 EAXSetProp( &amp;DSPROPSETID_EAX_SourceProperties, prop, <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, valuesize );
00417         }
00418 <font class="preprocessor">#endif</font>
00419 <font class="preprocessor"></font>}
00420 
00421 
00422 } <font class="comment">// NLSOUND</font>
</pre></div>

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