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<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>
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