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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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->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<CBufferAL*>(buffer); +00081 alSourcei( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_BUFFER, bufferAL->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->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, &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, &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, &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 -> 3D position</font> +00211 <font class="comment"> * st mode -> 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>& 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> &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>& 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>& 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>& 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>& 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 -> silence</font> +00288 <font class="comment"> * 0.5 -> -6dB</font> +00289 <font class="comment"> * 1.0 -> no attenuation</font> +00290 <font class="comment"> * values > 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 >= 0.0f) && (gain <= 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, &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 > 0) && (pitch <= 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, &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, &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 >= 0.0f) && (maxdist >= 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>& mindist, <font class="keywordtype">float</font>& 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, &mindist ); +00375 alGetSourcef( <a class="code" href="classNLSOUND_1_1CSourceAL.html#o0">_SourceName</a>, AL_MAX_DISTANCE, &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 >= 0.0f) && (outerGain <= 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>& innerAngle, <font class="keywordtype">float</font>& outerAngle, <font class="keywordtype">float</font>& 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, &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, &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, &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( &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> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |