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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>listener_dsound.cpp</h1><a href="listener__dsound_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="stddsound_8h.html">stddsound.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="listener__dsound_8h.html">listener_dsound.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="sound__driver__dsound_8h.html">sound_driver_dsound.h</a>"</font> +00030 +00031 +00032 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00033 +00034 +00035 <font class="keyword">namespace </font>NLSOUND { +00036 +00037 +00038 <font class="comment">// The instance of the singleton</font> +<a name="l00039"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#r0">00039</a> CListenerDSound *CListenerDSound::_Instance = NULL; +00040 +00041 +00042 <font class="comment">/*</font> +00043 <font class="comment"> * Constructor</font> +00044 <font class="comment"> */</font> +<a name="l00045"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#a0">00045</a> CListenerDSound::CListenerDSound(LPDIRECTSOUND3DLISTENER dsoundListener) <font class="comment">//: IListener()</font> +00046 { +00047 _Pos = CVector::Null; +00048 <font class="keywordflow">if</font> ( _Instance == NULL ) +00049 { +00050 _Instance = <font class="keyword">this</font>; +00051 _Listener = dsoundListener; +00052 +00053 setRolloffFactor(DS3D_MINROLLOFFFACTOR); +00054 } +00055 <font class="keywordflow">else</font> +00056 { +00057 <font class="comment">//nlerror( "Listener singleton instanciated twice" );</font> +00058 } +00059 } +00060 +00061 +<a name="l00062"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#a1">00062</a> CListenerDSound::~CListenerDSound() +00063 { +00064 <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"Destroying DirectSound listener"</font>); +00065 +00066 <a class="code" href="classNLSOUND_1_1CListenerDSound.html#c0">release</a>(); +00067 <a class="code" href="classNLSOUND_1_1CListenerDSound.html#r0">_Instance</a> = NULL; +00068 } +00069 +00070 +00071 <font class="comment">/*</font> +00072 <font class="comment"> * Release all DirectSound resources</font> +00073 <font class="comment"> */</font> +<a name="l00074"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#c0">00074</a> <font class="keywordtype">void</font> CListenerDSound::release() +00075 { +00076 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00077 { +00078 <a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->Release(); +00079 <a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> = NULL; +00080 } +00081 } +00082 +00083 +00084 <font class="comment">/*</font> +00085 <font class="comment"> * Set the position vector (default: (0,0,0)) (3D mode only)</font> +00086 <font class="comment"> */</font> +<a name="l00087"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z966_0">00087</a> <font class="keywordtype">void</font> CListenerDSound::setPos( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& pos ) +00088 { +00089 +00090 <a class="code" href="classNLSOUND_1_1CListenerDSound.html#o1">_Pos</a> = pos; +00091 <font class="comment">// Coordinate system: conversion from NeL to OpenAL/GL:</font> +00092 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00093 { +00094 <font class="keywordflow">if</font> (FAILED(<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->SetPosition(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>, DS3D_DEFERRED))) +00095 { +00096 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"SetPosition failed"</font>); +00097 } +00098 <font class="keywordflow">else</font> +00099 { +00100 <font class="comment">//nlwarning ("set listener NEL(p:%.2f/%.2f/%.2f) DS(p:%.2f/%.2f/%.2f)", pos.x, pos.y, pos.z, pos.x, pos.z, pos.y);</font> +00101 } +00102 } +00103 } +00104 +00105 +<a name="l00109"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z966_1">00109</a> <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &CListenerDSound::getPos()<font class="keyword"> const</font> +00110 <font class="keyword"></font>{ +00111 <font class="keywordflow">return</font> <a class="code" href="classNLSOUND_1_1CListenerDSound.html#o1">_Pos</a>; +00112 <font class="comment">/* return;</font> +00113 <font class="comment"> // Coordinate system: conversion from NeL to OpenAL/GL:</font> +00114 <font class="comment"> if (_Listener != NULL)</font> +00115 <font class="comment"> {</font> +00116 <font class="comment"> D3DVECTOR v;</font> +00117 <font class="comment"> if (FAILED(_Listener->GetPosition(&v)))</font> +00118 <font class="comment"> {</font> +00119 <font class="comment"> nlwarning("GetPosition failed");</font> +00120 <font class="comment"> pos.set(0.0f, 0.0f, 0.0f);</font> +00121 <font class="comment"> }</font> +00122 <font class="comment"> else</font> +00123 <font class="comment"> {</font> +00124 <font class="comment"> pos.set(v.x, v.z, v.y);</font> +00125 <font class="comment"> }</font> +00126 <font class="comment"> }</font> +00127 <font class="comment"> else</font> +00128 <font class="comment"> {</font> +00129 <font class="comment"> pos.set(0, 0, 0);</font> +00130 <font class="comment"> }</font> +00131 <font class="comment">*/</font> +00132 } +00133 +00134 +00135 <font class="comment">/*</font> +00136 <font class="comment"> * Set the velocity vector (3D mode only)</font> +00137 <font class="comment"> */</font> +<a name="l00138"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z966_2">00138</a> <font class="keywordtype">void</font> CListenerDSound::setVelocity( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& vel ) +00139 { +00140 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00141 { +00142 <font class="keywordflow">if</font> (FAILED(<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->SetVelocity(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>, DS3D_DEFERRED))) +00143 { +00144 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"SetVelocity failed"</font>); +00145 } +00146 } +00147 } +00148 +00149 +00150 <font class="comment">/*</font> +00151 <font class="comment"> * Get the velocity vector</font> +00152 <font class="comment"> */</font> +<a name="l00153"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z966_3">00153</a> <font class="keywordtype">void</font> CListenerDSound::getVelocity( <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& vel )<font class="keyword"> const</font> +00154 <font class="keyword"></font>{ +00155 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00156 { +00157 D3DVECTOR <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>; +00158 <font class="keywordflow">if</font> (FAILED(<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->GetVelocity(&<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>))) +00159 { +00160 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"GetVelocity failed"</font>); +00161 vel.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(0.0f, 0.0f, 0.0f); +00162 } +00163 <font class="keywordflow">else</font> +00164 { +00165 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>.x, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.z, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.y); +00166 } +00167 } +00168 <font class="keywordflow">else</font> +00169 { +00170 vel.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(0, 0, 0); +00171 } +00172 } +00173 +00174 +00175 <font class="comment">/*</font> +00176 <font class="comment"> * Set the orientation vectors (3D mode only)</font> +00177 <font class="comment"> */</font> +<a name="l00178"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z966_4">00178</a> <font class="keywordtype">void</font> CListenerDSound::setOrientation( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& front, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& up ) +00179 { +00180 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00181 { +00182 <font class="keywordflow">if</font> (FAILED(<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->SetOrientation(front.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, front.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, front.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, up.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, up.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, up.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, DS3D_DEFERRED))) +00183 { +00184 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"SetOrientation failed"</font>); +00185 } +00186 <font class="keywordflow">else</font> +00187 { +00188 <font class="comment">//nlwarning ("NLSOUND: set listener orientation NEL(f:%.2f/%.2f/%.2f up:%.2f/%.2f/%.2f) DS(f:%.2f/%.2f/%.2f up:%.2f/%.2f/%.2f)", front.x, front.y, front.z, up.x, up.y, up.z, front.x, front.z, front.y, up.x, up.z, up.y);</font> +00189 } +00190 } +00191 } +00192 +00193 +00194 <font class="comment">/*</font> +00195 <font class="comment"> * Get the orientation vectors</font> +00196 <font class="comment"> */</font> +<a name="l00197"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z966_5">00197</a> <font class="keywordtype">void</font> CListenerDSound::getOrientation( <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& front, <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& up )<font class="keyword"> const</font> +00198 <font class="keyword"></font>{ +00199 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00200 { +00201 D3DVECTOR vfront, vtop; +00202 <font class="keywordflow">if</font> (FAILED(<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->GetOrientation(&vfront, &vtop))) +00203 { +00204 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"GetOrientation failed"</font>); +00205 front.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(0.0f, 0.0f, 1.0f); +00206 up.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(0.0f, 1.0f, 0.0f); +00207 } +00208 <font class="keywordflow">else</font> +00209 { +00210 front.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(vfront.x, vfront.z, vfront.y); +00211 up.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(vtop.x, vtop.z, vtop.y); +00212 } +00213 } +00214 <font class="keywordflow">else</font> +00215 { +00216 front.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(0, 0, 1); +00217 up.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(0, 1, 0); +00218 } +00219 } +00220 +00221 +00222 <font class="comment">/* Set the gain (volume value inside [0 , 1]). (default: 1)</font> +00223 <font class="comment"> * 0.0 -> silence</font> +00224 <font class="comment"> * 0.5 -> -6dB</font> +00225 <font class="comment"> * 1.0 -> no attenuation</font> +00226 <font class="comment"> * values > 1 (amplification) not supported by most drivers</font> +00227 <font class="comment"> */</font> +<a name="l00228"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z966_6">00228</a> <font class="keywordtype">void</font> CListenerDSound::setGain( <font class="keywordtype">float</font> gain ) +00229 { +00230 CSoundDriverDSound::instance()->setGain(gain); +00231 } +00232 +00233 +00234 <font class="comment">/*</font> +00235 <font class="comment"> * Get the gain</font> +00236 <font class="comment"> */</font> +<a name="l00237"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z966_7">00237</a> <font class="keywordtype">float</font> CListenerDSound::getGain()<font class="keyword"> const</font> +00238 <font class="keyword"></font>{ +00239 <font class="keywordflow">return</font> CSoundDriverDSound::instance()->getGain(); +00240 } +00241 +00242 +00243 <font class="comment">/*</font> +00244 <font class="comment"> * Set the doppler factor (default: 1) to exaggerate or not the doppler effect</font> +00245 <font class="comment"> */</font> +<a name="l00246"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z967_0">00246</a> <font class="keywordtype">void</font> CListenerDSound::setDopplerFactor( <font class="keywordtype">float</font> f ) +00247 { +00248 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00249 { +00250 <font class="keywordflow">if</font> (f > DS3D_MAXDOPPLERFACTOR) +00251 { +00252 f = DS3D_MAXDOPPLERFACTOR; +00253 } +00254 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (f < DS3D_MINDOPPLERFACTOR) +00255 { +00256 f = DS3D_MINDOPPLERFACTOR; +00257 } +00258 +00259 <font class="keywordflow">if</font> (FAILED(<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->SetDopplerFactor(f, DS3D_DEFERRED))) +00260 { +00261 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"SetDopplerFactor failed"</font>); +00262 } +00263 } +00264 } +00265 +00266 +00267 <font class="comment">/*</font> +00268 <font class="comment"> * Set the rolloff factor (default: 1) to scale the distance attenuation effect</font> +00269 <font class="comment"> */</font> +<a name="l00270"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z967_1">00270</a> <font class="keywordtype">void</font> CListenerDSound::setRolloffFactor( <font class="keywordtype">float</font> f ) +00271 { +00272 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00273 { +00274 <font class="comment">//clamp(f, DS3D_MINROLLOFFFACTOR, DS3D_MAXROLLOFFFACTOR);</font> +00275 +00276 <font class="comment">// VOLUMETEST: Don't use the rolloff factor. We manage the</font> +00277 <font class="comment">// volumes ourselves</font> +00278 f = DS3D_MINROLLOFFFACTOR; +00279 +00280 +00281 <font class="keywordflow">if</font> (FAILED(<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->SetRolloffFactor(f, DS3D_DEFERRED))) +00282 { +00283 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"SetRolloffFactor failed"</font>); +00284 } +00285 } +00286 } +00287 +00288 +<a name="l00289"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z967_2">00289</a> <font class="keywordtype">float</font> CListenerDSound::getRolloffFactor() +00290 { +00291 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00292 { +00293 <font class="keywordtype">float</font> f; +00294 <a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->GetRolloffFactor(&f); +00295 <font class="keywordflow">return</font> f; +00296 } +00297 <font class="keywordflow">else</font> +00298 { +00299 <font class="keywordflow">return</font> 1.0; +00300 } +00301 } +00302 +00303 +<a name="l00304"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#a2">00304</a> <font class="keywordtype">void</font> CListenerDSound::commit3DChanges() +00305 { +00306 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a> != NULL) +00307 { +00308 <a class="code" href="classNLSOUND_1_1CListenerDSound.html#o0">_Listener</a>->CommitDeferredSettings(); +00309 } +00310 } +00311 +00312 +00313 <font class="comment">/*</font> +00314 <font class="comment"> * Set DSPROPERTY_EAXLISTENER_ENVIRONMENT and DSPROPERTY_EAXLISTENER_ENVIRONMENTSIZE if EAX available (see EAX listener properties)</font> +00315 <font class="comment"> */</font> +<a name="l00316"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z967_3">00316</a> <font class="keywordtype">void</font> CListenerDSound::setEnvironment( uint env, <font class="keywordtype">float</font> size ) +00317 { +00318 <font class="preprocessor">#ifdef EAX_AVAILABLE</font> +00319 <font class="preprocessor"></font> <font class="keywordflow">if</font> ( EAXSetProp != NULL ) +00320 { +00321 EAXSetProp( &DSPROPSETID_EAX_ListenerProperties, DSPROPERTY_EAXLISTENER_ENVIRONMENT, 0, &env, <font class="keyword">sizeof</font>(<font class="keywordtype">unsigned</font> <font class="keywordtype">long</font>) ); +00322 EAXSetProp( &DSPROPSETID_EAX_ListenerProperties, DSPROPERTY_EAXLISTENER_ENVIRONMENTSIZE, 0, &size, <font class="keyword">sizeof</font>(<font class="keywordtype">float</font>) ); +00323 } +00324 <font class="preprocessor">#endif</font> +00325 <font class="preprocessor"></font>} +00326 +00327 +00328 <font class="comment">/*</font> +00329 <font class="comment"> * Set any EAX listener property if EAX available</font> +00330 <font class="comment"> */</font> +<a name="l00331"></a><a class="code" href="classNLSOUND_1_1CListenerDSound.html#z967_4">00331</a> <font class="keywordtype">void</font> CListenerDSound::setEAXProperty( uint prop, <font class="keywordtype">void</font> *<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, uint valuesize ) +00332 { +00333 <font class="preprocessor">#ifdef EAX_AVAILABLE</font> +00334 <font class="preprocessor"></font> <font class="keywordflow">if</font> ( EAXSetProp != NULL ) +00335 { +00336 EAXSetProp( &DSPROPSETID_EAX_ListenerProperties, prop, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, valuesize ); +00337 } +00338 <font class="preprocessor">#endif</font> +00339 <font class="preprocessor"></font>} +00340 +00341 +00342 } <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> |