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<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>
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