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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>env_sound_user.cpp</h1><a href="env__sound__user_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="stdsound_8h.html">stdsound.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="env__sound__user_8h.html">env_sound_user.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="sound_8h.html">sound.h</a>"</font> +00030 <font class="preprocessor">#include "<a class="code" href="bounding__shape_8h.html">bounding_shape.h</a>"</font> +00031 <font class="preprocessor">#include <stdlib.h></font> +00032 +00033 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00034 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00035 +00036 +00037 <font class="keyword">namespace </font>NLSOUND { +00038 +00039 +00040 <font class="comment">/*</font> +00041 <font class="comment"> * Constructor</font> +00042 <font class="comment"> */</font> +<a name="l00043"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a0">00043</a> CEnvSoundUser::CEnvSoundUser() : _Play(false), _Source(NULL), _BoundingShape(NULL), _Transition(false), _Parent(NULL), _Mark(false), _Gain(1.0f) +00044 { +00045 } +00046 +00047 +00048 <font class="comment">/*</font> +00049 <font class="comment"> * Destructor</font> +00050 <font class="comment"> */</font> +<a name="l00051"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a1">00051</a> CEnvSoundUser::~CEnvSoundUser() +00052 { +00053 vector<CEnvSoundUser*>::iterator ipe; +00054 <font class="keywordflow">for</font> ( ipe=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); ipe!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end(); ++ipe ) +00055 { +00056 <font class="keyword">delete</font> (*ipe); +00057 } +00058 +00059 vector<IPlayable*>::iterator ipp; +00060 <font class="keywordflow">for</font> ( ipp=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.begin(); ipp!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.end(); ++ipp ) +00061 { +00062 <font class="comment">// An IPlayable object can be a CAmbiantSource or a CSourceUser.</font> +00063 <font class="comment">// A CAmbiantSource removes its source (channels) in destructor, but not a CSourceUser</font> +00064 <font class="keywordflow">if</font> ( dynamic_cast<CSourceUser*>(*ipp) ) +00065 { +00066 CAudioMixerUser::instance()->removeSource( static_cast<CSourceUser*>(*ipp) ); +00067 } +00068 <font class="keywordflow">else</font> +00069 { +00070 <font class="keywordflow">if</font> ( (*ipp) != NULL ) +00071 { +00072 <font class="keyword">delete</font> (*ipp); +00073 } +00074 } +00075 } +00076 +00077 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> != NULL ) +00078 { +00079 <font class="keyword">delete</font> <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a>; +00080 } +00081 } +00082 +00083 +00084 <font class="comment">/*</font> +00085 <font class="comment"> * Serialize (recursive)</font> +00086 <font class="comment"> */</font> +<a name="l00087"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a2">00087</a> <font class="keywordtype">void</font> CEnvSoundUser::serial( <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a244">s</a> ) +00088 { +00089 <font class="comment">// If you change this, increment the version number in CEnvSoundUser::load() !</font> +00090 +00091 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o5">_Transition</a> ); +00092 s.<a class="code" href="classNLMISC_1_1IStream.html#a28">serialPolyPtr</a>( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> ); +00093 s.<a class="code" href="classNLMISC_1_1IStream.html#a22">serialContPolyPtr</a>( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a> ); <font class="comment">// serializes sound and looping state only</font> +00094 +00095 <a class="code" href="types__nl_8h.html#a7">uint16</a> srcindex; +00096 +00097 <font class="keywordflow">if</font> ( s.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() ) +00098 { +00099 <font class="comment">// Select the source in the bank</font> +00100 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>( srcindex ); +00101 <font class="keywordflow">if</font> ( ! <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.empty() ) +00102 { +00103 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> = <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>[srcindex]; +00104 } +00105 <font class="keywordflow">else</font> +00106 { +00107 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> = NULL; +00108 } +00109 +00110 <font class="comment">// Set the position which was not serialized</font> +00111 <font class="keywordflow">if</font> ( (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a>!=NULL) && (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> != NULL) ) +00112 { +00113 vector<IPlayable*>::iterator ipp; +00114 <font class="keywordflow">for</font> ( ipp=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.begin(); ipp!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.end(); ++ipp ) +00115 { +00116 (*ipp)->moveTo( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a>->getCenter() ); +00117 } +00118 } +00119 +00120 <font class="comment">// Init the source (not transition)</font> +00121 <font class="keywordflow">if</font> ( ! <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o5">_Transition</a> ) +00122 { +00123 <font class="keywordflow">if</font> ( (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> != NULL) ) +00124 { +00125 vector<IPlayable*>::iterator ipp; +00126 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> != NULL ) +00127 { +00128 <font class="keywordflow">for</font> ( ipp=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.begin(); ipp!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.end(); ++ipp ) +00129 { +00130 (*ipp)->initPos( const_cast<CVector*>(&(<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a>->getCenter())) ); +00131 } +00132 } +00133 <font class="keywordflow">else</font> +00134 { +00135 <font class="comment">// The world envsound will be heard at the listener</font> +00136 <font class="keywordflow">for</font> ( ipp=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.begin(); ipp!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.end(); ++ipp ) +00137 { +00138 (*ipp)->initPos( &CAudioMixerUser::instance()->getListenPosVector() ); +00139 } +00140 } +00141 } +00142 } +00143 } +00144 <font class="keywordflow">else</font> +00145 { +00146 <a class="code" href="types__nl_8h.html#a13">uint</a> i; +00147 <font class="comment">// Find the index of the current source in the bank and serialize it out</font> +00148 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.size() != 0 ) +00149 { +00150 <font class="keywordflow">for</font> ( i=0; i!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.size(); i++ ) +00151 { +00152 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>[i] == <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> ) +00153 { +00154 <font class="keywordflow">break</font>; +00155 } +00156 } +00157 <a class="code" href="debug_8h.html#a6">nlassert</a>( i != <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.size() ); +00158 <a class="code" href="debug_8h.html#a6">nlassert</a>( i < 0x10000 ); <font class="comment">// 16-bit value</font> +00159 srcindex = i; +00160 } +00161 <font class="keywordflow">else</font> +00162 { +00163 srcindex = 0; +00164 } +00165 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>( srcindex ); +00166 } +00167 +00168 <font class="comment">// Tags</font> +00169 s.<a class="code" href="classNLMISC_1_1IStream.html#a7">serialCont</a>( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o3">_Tags</a> ); +00170 <font class="preprocessor">#ifdef NL_DEBUG</font> +00171 <font class="preprocessor"></font> <a class="code" href="namespaceNLMISC.html#a11">DebugLog</a>->display( <font class="stringliteral">"Envsound tags:"</font>); +00172 vector<string>::iterator ist; +00173 <font class="keywordflow">for</font> ( ist=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o3">_Tags</a>.begin(); ist!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o3">_Tags</a>.end(); ++ist ) +00174 { +00175 <a class="code" href="namespaceNLMISC.html#a11">DebugLog</a>->displayRaw( (<font class="stringliteral">" "</font> + (*ist)).c_str() ); +00176 } +00177 <a class="code" href="namespaceNLMISC.html#a11">DebugLog</a>->displayRawNL(<font class="stringliteral">""</font>); +00178 <font class="preprocessor">#endif</font> +00179 <font class="preprocessor"></font> +00180 <font class="comment">// Children envsounds</font> +00181 s.<a class="code" href="classNLMISC_1_1IStream.html#a27">serialPtr</a>( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a> ); +00182 s.<a class="code" href="classNLMISC_1_1IStream.html#a17">serialContPtr</a>( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a> ); +00183 } +00184 +00185 +00186 <font class="comment">/*</font> +00187 <font class="comment"> * Select current env</font> +00188 <font class="comment"> */</font> +<a name="l00189"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a5">00189</a> <font class="keywordtype">void</font> CEnvSoundUser::selectEnv( <font class="keyword">const</font> <font class="keywordtype">char</font> *tag, <font class="keywordtype">bool</font> children_too ) +00190 { +00191 <a class="code" href="types__nl_8h.html#a13">uint</a> i; +00192 <font class="keywordflow">for</font> ( i=0; i!= <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o3">_Tags</a>.size(); i++ ) +00193 { +00194 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o3">_Tags</a>[i] == string(tag) ) +00195 { +00196 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> != NULL ) +00197 { +00198 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a>->enable( <font class="keyword">false</font>, 1.0f ); +00199 } +00200 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> = <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>[i]; +00201 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"AM: EnvSound: Environment changed to %s"</font>, tag ); +00202 CAudioMixerUser::instance()->getEnvSounds()->recompute(); +00203 <font class="keywordflow">break</font>; +00204 } +00205 } +00206 <font class="comment">//nldebug( "AM: EnvSound: Environment %s not found", tag );</font> +00207 <font class="comment">// Don't change _Source if not found</font> +00208 +00209 <font class="comment">// Apply to descendants</font> +00210 <font class="keywordflow">if</font> ( children_too ) +00211 { +00212 vector<CEnvSoundUser*>::iterator ipc; +00213 <font class="keywordflow">for</font> ( ipc=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); ipc!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end(); ++ipc ) +00214 { +00215 (*ipc)->selectEnv( tag, children_too ); +00216 } +00217 } +00218 } +00219 +00220 +00221 <font class="comment">/*</font> +00222 <font class="comment"> * Serialize file header</font> +00223 <font class="comment"> */</font> +<a name="l00224"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#d0">00224</a> <font class="keywordtype">void</font> CEnvSoundUser::serialFileHeader( <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a244">s</a> ) +00225 { +00226 <font class="comment">// Envsounds file header</font> +00227 s.<a class="code" href="classNLMISC_1_1IStream.html#a30">serialCheck</a>( (<a class="code" href="types__nl_8h.html#a9">uint32</a>)'SEN' ); <font class="comment">// NeL Environment Sounds</font> +00228 <font class="keywordflow">if</font> ( s.<a class="code" href="classNLMISC_1_1IStream.html#a29">serialVersion</a>( 2 ) < 2 ) +00229 { +00230 <font class="keywordflow">throw</font> EOlderStream(s); +00231 } +00232 +00233 <font class="comment">// Check CSound version (and prepare CSound::serial() backward compatibility)</font> +00234 CSound::FileVersion = s.<a class="code" href="classNLMISC_1_1IStream.html#a29">serialVersion</a>( CSound::CurrentVersion ); +00235 <font class="keywordflow">if</font> ( CSound::FileVersion == 0 ) <font class="comment">// warning: not multithread-compliant</font> +00236 { +00237 <font class="comment">// Not supporting version 0 anymore</font> +00238 <font class="keywordflow">throw</font> EOlderStream(s); +00239 } +00240 } +00241 +00242 +00243 <font class="comment">/*</font> +00244 <font class="comment"> * Count the envs in the tree (call on the root)</font> +00245 <font class="comment"> */</font> +<a name="l00246"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b4">00246</a> <a class="code" href="types__nl_8h.html#a9">uint32</a> CEnvSoundUser::getCount()<font class="keyword"> const</font> +00247 <font class="keyword"></font>{ +00248 <a class="code" href="types__nl_8h.html#a9">uint32</a> cnt=1; +00249 vector<CEnvSoundUser*>::const_iterator ipe; +00250 <font class="keywordflow">for</font> ( ipe=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); ipe!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end(); ++ipe ) +00251 { +00252 cnt += (*ipe)->getCount(); +00253 } +00254 <font class="keywordflow">return</font> cnt; +00255 } +00256 +00257 +00258 <font class="comment">/*</font> +00259 <font class="comment"> * Load several envsounds and return the number of envsounds loaded</font> +00260 <font class="comment"> */</font> +<a name="l00261"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#d1">00261</a> <a class="code" href="types__nl_8h.html#a9">uint32</a> CEnvSoundUser::load( CEnvSoundUser* &envSoundTreeRoot, <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a244">s</a> ) +00262 { +00263 <font class="keywordflow">if</font> ( s.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() ) +00264 { +00265 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#d0">serialFileHeader</a>( s ); +00266 s.<a class="code" href="classNLMISC_1_1IStream.html#a27">serialPtr</a>( envSoundTreeRoot ); +00267 <font class="keywordflow">return</font> envSoundTreeRoot->getCount(); +00268 +00269 <font class="comment">// Reset CSound version</font> +00270 CSound::FileVersion = CSound::CurrentVersion; <font class="comment">// warning: not multithread-compliant : do not serialize in different threads !</font> +00271 } +00272 <font class="keywordflow">else</font> +00273 { +00274 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00275 <font class="keywordflow">return</font> 0; +00276 } +00277 } +00278 +00279 +00280 <font class="comment">/*</font> +00281 <font class="comment"> * Update the stereo mixes (call evenly on the root) (recursive)</font> +00282 <font class="comment"> */</font> +<a name="l00283"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a8">00283</a> <font class="keywordtype">void</font> CEnvSoundUser::update() +00284 { +00285 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> != NULL ) +00286 { +00287 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a>->update(); +00288 } +00289 vector<CEnvSoundUser*>::iterator ipe; +00290 <font class="keywordflow">for</font> ( ipe=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); ipe!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end(); ++ipe ) +00291 { +00292 (*ipe)->update(); +00293 } +00294 } +00295 +00296 +00297 <font class="comment">/*</font> +00298 <font class="comment"> * Find the area where the listener is located (recursive)</font> +00299 <font class="comment"> */</font> +<a name="l00300"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b2">00300</a> CEnvSoundUser *CEnvSoundUser::findCurrentEnv( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& listenerpos ) +00301 { +00302 <font class="comment">// Find in children first (check from leaves to root)</font> +00303 vector<CEnvSoundUser*>::iterator ipe = <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); +00304 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a0">CEnvSoundUser</a> *found = NULL; +00305 <font class="keywordflow">while</font> ( ! ( (found) || (ipe==<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end()) ) ) +00306 { +00307 found = (*ipe)->findCurrentEnv( listenerpos ); +00308 ipe++; +00309 } +00310 <font class="keywordflow">if</font> ( found ) +00311 <font class="keywordflow">return</font> found; +00312 <font class="keywordflow">else</font> <font class="keywordflow">if</font> ( (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> == NULL) || (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a>->include( listenerpos )) ) +00313 <font class="keywordflow">return</font> <font class="keyword">this</font>; +00314 <font class="keywordflow">else</font> +00315 <font class="keywordflow">return</font> NULL; +00316 } +00317 +00318 +00319 <font class="comment">/*</font> +00320 <font class="comment"> * Return the position</font> +00321 <font class="comment"> */</font> +<a name="l00322"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a3">00322</a> <font class="keywordtype">void</font> CEnvSoundUser::getPos( <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& pos )<font class="keyword"> const</font> +00323 <font class="keyword"></font>{ +00324 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> == NULL ) +00325 { +00326 pos = CVector::Null; +00327 } +00328 <font class="keywordflow">else</font> +00329 { +00330 pos = <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a>->getCenter(); +00331 } +00332 } +00333 +00334 +00335 <font class="comment">/*</font> +00336 <font class="comment"> * Moves the envsound (and its transition envsound if it has one)</font> +00337 <font class="comment"> */</font> +<a name="l00338"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a4">00338</a> <font class="keywordtype">void</font> CEnvSoundUser::setPos( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& pos ) +00339 { +00340 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> != NULL ) +00341 { +00342 <font class="comment">// Get the vector between the pos of this envsound and the pos of its transition envsound</font> +00343 CVector newpos; +00344 <font class="keywordflow">if</font> ( (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a> != NULL) && ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_Transition ) ) +00345 { +00346 newpos = pos + <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_BoundingShape->getCenter() - <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a>->getCenter(); +00347 } +00348 <font class="keywordflow">else</font> +00349 { +00350 newpos = pos; +00351 } +00352 +00353 <font class="comment">// Set the new pos</font> +00354 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a>->setCenter( pos ); +00355 <font class="keywordflow">if</font> ( (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a> != NULL) && ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_Transition ) ) +00356 { +00357 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_BoundingShape->setCenter( newpos ); +00358 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_Source != NULL ) +00359 { +00360 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_Source->moveTo( newpos ); +00361 } +00362 } +00363 +00364 <font class="comment">// Recompute the entire tree</font> +00365 CAudioMixerUser::instance()->getEnvSounds()->recompute(); +00366 } +00367 } +00368 +00369 +00370 <font class="comment">/*</font> +00371 <font class="comment"> * Return the children envsounds</font> +00372 <font class="comment"> */</font> +<a name="l00373"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a6">00373</a> std::vector<UEnvSound*>& CEnvSoundUser::getChildren() +00374 { +00375 <font class="keywordflow">return</font> (vector<UEnvSound*>&)(_Children); +00376 } +00377 +00378 +00379 <font class="comment">/*</font> +00380 <font class="comment"> * Play or stop the sources (call only on the root env)</font> +00381 <font class="comment"> */</font> +<a name="l00382"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a7">00382</a> <font class="keywordtype">void</font> CEnvSoundUser::recompute() +00383 { +00384 <a class="code" href="debug_8h.html#a6">nlassert</a>( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b0">isRoot</a>() ); +00385 +00386 <font class="comment">// Find the area of the listener</font> +00387 CVector listenerpos; +00388 CAudioMixerUser::instance()->getListener()->getPos( listenerpos ); +00389 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a0">CEnvSoundUser</a> *current = <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b2">findCurrentEnv</a>( listenerpos ); +00390 +00391 <font class="comment">// Mark the envs that have to play their source</font> +00392 <font class="keywordflow">if</font> ( current != NULL ) +00393 { +00394 current->markSources( listenerpos, 1.0f ); +00395 } +00396 +00397 <font class="comment">// Enable/disable the sources in the hierarchy, and reset the marks</font> +00398 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b1">applySourcesMarks</a>(); +00399 } +00400 +00401 +00402 <font class="comment">/* Prepare the related sources to play (recursive).</font> +00403 <font class="comment"> * In each children branch, there must be an env which is not a transition, for the recursion to stop</font> +00404 <font class="comment"> */</font> +<a name="l00405"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b3">00405</a> <font class="keywordtype">void</font> CEnvSoundUser::markSources( <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& listenerpos, <font class="keywordtype">float</font> gain ) +00406 { +00407 <font class="comment">// Is the listener in a transition area ?</font> +00408 <font class="keywordflow">if</font> ( _Transition ) +00409 { +00410 <font class="comment">//nldebug( "AM: EnvSound: Marking sources for transition between child and parent" );</font> +00411 +00412 <font class="comment">// Compute the listener position to find the ratio between up and down envs</font> +00413 <a class="code" href="debug_8h.html#a6">nlassert</a>( (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.size() == 1) && (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>[0] != NULL) && (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a> != NULL) ); +00414 <a class="code" href="debug_8h.html#a6">nlassert</a>( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> && <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>[0]-><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> ); +00415 <font class="keywordtype">float</font> ratio = <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a>->getRatio( listenerpos, <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>[0]-><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> ); +00416 <a class="code" href="debug_8h.html#a6">nlassert</a>( ratio >= 0.0f && ratio <= 1.0f ); +00417 +00418 <font class="comment">// The child env plays at gain*ratio</font> +00419 <font class="comment">// The recursion stops because the child env is not a transition area</font> +00420 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>[0]->markSources( listenerpos, gain * ratio ); +00421 +00422 <font class="comment">// The parent env (therefore the 3d source of the current env as well) plays at gain*(1-ratio)</font> +00423 <font class="comment">// The recursion stops because the parent env is not a transition area</font> +00424 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->markSources( listenerpos, gain * (1.0f-ratio) ); +00425 } +00426 <font class="keywordflow">else</font> +00427 { +00428 <font class="comment">//nldebug( "AM: EnvSound: Marking sources for environnement" );</font> +00429 +00430 <font class="comment">// The listener in an environment, containing other environments (e.g. a town) or not (e.g. a room).</font> +00431 <font class="comment">// The current env plays</font> +00432 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o8">_Mark</a> = <font class="keyword">true</font>; +00433 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o9">_Gain</a> = gain; +00434 +00435 <font class="comment">// The children env (next level only) play</font> +00436 vector<CEnvSoundUser*>::iterator ipe; +00437 <font class="keywordflow">for</font>( ipe=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); ipe!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end(); ++ipe ) +00438 { +00439 (*ipe)->_Mark = <font class="keyword">true</font>; +00440 (*ipe)->_Gain = gain; +00441 } +00442 } +00443 } +00444 +00445 +00446 <font class="comment">/*</font> +00447 <font class="comment"> * Enable/disable the source and set general gain if enabled, and reset the source mark (recursive)</font> +00448 <font class="comment"> */</font> +<a name="l00449"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b1">00449</a> <font class="keywordtype">void</font> CEnvSoundUser::applySourcesMarks() +00450 { +00451 <font class="keywordflow">if</font> ( ! <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o0">_Play</a> ) +00452 { +00453 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o8">_Mark</a> = <font class="keyword">false</font>; +00454 } +00455 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> != NULL ) +00456 { +00457 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a>->enable( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o8">_Mark</a>, <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o9">_Gain</a> ); +00458 } +00459 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o8">_Mark</a> = <font class="keyword">false</font>; +00460 +00461 <font class="comment">// Apply on children</font> +00462 vector<CEnvSoundUser*>::iterator ipe; +00463 <font class="keywordflow">for</font> ( ipe=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); ipe!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end(); ++ipe ) +00464 { +00465 (*ipe)->applySourcesMarks(); +00466 } +00467 } +00468 +00469 +00470 <font class="comment">/*</font> +00471 <font class="comment"> * Set properties (EDIT)</font> +00472 <font class="comment"> */</font> +<a name="l00473"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a12">00473</a> <font class="keywordtype">void</font> CEnvSoundUser::setProperties( <font class="keywordtype">bool</font> transition, IBoundingShape *bshape ) +00474 { +00475 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o5">_Transition</a> = transition; +00476 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o4">_BoundingShape</a> = bshape; +00477 } +00478 +00479 +00480 <font class="comment">/*</font> +00481 <font class="comment"> * Add an environment source/tag (EDIT) (set a NULL source for no source at all)</font> +00482 <font class="comment"> * The current source always becomes the first one.</font> +00483 <font class="comment"> */</font> +<a name="l00484"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a14">00484</a> <font class="keywordtype">void</font> CEnvSoundUser::addEnvTag( IPlayable *source, <font class="keyword">const</font> std::string& tag ) +00485 { +00486 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o2">_SrcBank</a>.push_back( source ); +00487 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o3">_Tags</a>.push_back( tag ); +00488 +00489 <font class="keywordflow">if</font> ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> == NULL ) <font class="comment">// becomes the first one and stays there</font> +00490 { +00491 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o1">_Source</a> = source; +00492 } +00493 } +00494 +00495 +00496 <font class="comment">/*</font> +00497 <font class="comment"> * Save (output stream only) (EDIT)</font> +00498 <font class="comment"> */</font> +<a name="l00499"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#d2">00499</a> <font class="keywordtype">void</font> CEnvSoundUser::save( CEnvSoundUser *envSoundTreeRoot, <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a244">s</a> ) +00500 { +00501 <a class="code" href="debug_8h.html#a6">nlassert</a>( ! s.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() ); +00502 <a class="code" href="debug_8h.html#a6">nlassert</a>( envSoundTreeRoot->isRoot() ); +00503 +00504 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#d0">serialFileHeader</a>( s ); +00505 s.<a class="code" href="classNLMISC_1_1IStream.html#a27">serialPtr</a>( envSoundTreeRoot ); +00506 } +00507 +00508 +00509 <font class="comment">/*</font> +00510 <font class="comment"> * Play</font> +00511 <font class="comment"> */</font> +<a name="l00512"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a9">00512</a> <font class="keywordtype">void</font> CEnvSoundUser::play( <font class="keywordtype">bool</font> children_too ) +00513 { +00514 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b5">playSub</a>( children_too ); +00515 +00516 CAudioMixerUser::instance()->getEnvSounds()->recompute(); +00517 } +00518 +00519 +00520 <font class="comment">/*</font> +00521 <font class="comment"> * Stop playing</font> +00522 <font class="comment"> */</font> +<a name="l00523"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a10">00523</a> <font class="keywordtype">void</font> CEnvSoundUser::stop( <font class="keywordtype">bool</font> children_too ) +00524 { +00525 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b6">stopSub</a>( children_too ); +00526 +00527 CAudioMixerUser::instance()->getEnvSounds()->recompute(); +00528 } +00529 +00530 +00531 <font class="comment">/*</font> +00532 <font class="comment"> * Play this node, and all descendants if children_too is true, but do not recompute</font> +00533 <font class="comment"> */</font> +<a name="l00534"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b5">00534</a> <font class="keywordtype">void</font> CEnvSoundUser::playSub( <font class="keywordtype">bool</font> children_too ) +00535 { +00536 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o0">_Play</a> = <font class="keyword">true</font>; +00537 +00538 <font class="comment">// Start transition as well</font> +00539 <font class="keywordflow">if</font> ( (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a> != NULL) && ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_Transition ) ) +00540 { +00541 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_Play = <font class="keyword">true</font>; +00542 } +00543 +00544 <font class="comment">// Apply to descendants</font> +00545 <font class="keywordflow">if</font> ( children_too ) +00546 { +00547 vector<CEnvSoundUser*>::iterator ipc; +00548 <font class="keywordflow">for</font> ( ipc=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); ipc!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end(); ++ipc ) +00549 { +00550 (*ipc)->playSub( children_too ); +00551 } +00552 } +00553 } +00554 +00555 +00556 <font class="comment">/*</font> +00557 <font class="comment"> * Stop playing this node, and all descendants if children_too is true, but do not recompute</font> +00558 <font class="comment"> */</font> +<a name="l00559"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#b6">00559</a> <font class="keywordtype">void</font> CEnvSoundUser::stopSub( <font class="keywordtype">bool</font> children_too ) +00560 { +00561 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o0">_Play</a> = <font class="keyword">false</font>; +00562 +00563 <font class="comment">// Stop transition as well</font> +00564 <font class="keywordflow">if</font> ( (<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a> != NULL) && ( <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_Transition ) ) +00565 { +00566 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o6">_Parent</a>->_Play = <font class="keyword">false</font>; +00567 } +00568 +00569 <font class="comment">// Apply to descendants</font> +00570 <font class="keywordflow">if</font> ( children_too ) +00571 { +00572 vector<CEnvSoundUser*>::iterator ipc; +00573 <font class="keywordflow">for</font> ( ipc=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.begin(); ipc!=<a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.end(); ++ipc ) +00574 { +00575 (*ipc)->stopSub( children_too ); +00576 } +00577 } +00578 } +00579 +00580 +00581 <font class="comment">/*</font> +00582 <font class="comment"> * Add a child (EDIT)</font> +00583 <font class="comment"> */</font> +<a name="l00584"></a><a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#a13">00584</a> <font class="keywordtype">void</font> CEnvSoundUser::addChild( CEnvSoundUser *child ) +00585 { +00586 child->_Parent = <font class="keyword">this</font>; +00587 <a class="code" href="classNLSOUND_1_1CEnvSoundUser.html#o7">_Children</a>.push_back( child ); +00588 } +00589 +00590 +00591 } <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> |