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<hr><h1>background_sound_manager.cpp</h1><a href="background__sound__manager_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
00027 <font class="preprocessor">#include "<a class="code" href="stdsound_8h.html">stdsound.h</a>"</font>
00028
00029 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="i__xml_8h.html">nel/misc/i_xml.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00032
00033 <font class="preprocessor">#include "<a class="code" href="primitive_8h.html">nel/ligo/primitive.h</a>"</font>
00034
00035 <font class="preprocessor">#include "<a class="code" href="u__source_8h.html">nel/sound/u_source.h</a>"</font>
00036
00037 <font class="preprocessor">#include "<a class="code" href="background__sound__manager_8h.html">background_sound_manager.h</a>"</font>
00038 <font class="preprocessor">#include <algorithm></font>
00039
00040 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00041 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00042 <font class="keyword">using</font> <font class="keyword">namespace </font>NLLIGO;
00043
00044
00045 <font class="keyword">namespace </font>NLSOUND {
00046
00047 <font class="comment">// external sound are cliping after 10 meter inside the inner patate</font>
00048 <font class="keyword">const</font> <font class="keywordtype">float</font> <a class="code" href="namespaceNLSOUND.html#a17">INSIDE_FALLOF</a> = 10.0f;
00049
00050 <font class="comment">//UAudioMixer *CBackgroundSoundManager::_AudioMixer = NULL;</font>
00051
00052
<a name="l00053"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#c0">00053</a> CBackgroundSoundManager::CBackgroundSoundManager()
00054 : _LastPosition(0,0,0), _Playing(false)
00055 {
00056 }
00057
<a name="l00058"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#c1">00058</a> CBackgroundSoundManager::~CBackgroundSoundManager()
00059 {
00060 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a4">unload</a>();
00061 }
00062
<a name="l00063"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a11">00063</a> <font class="keyword">const</font> UAudioMixer::TBackgroundFlags &CBackgroundSoundManager::getBackgroundFlags()
00064 {
00065 <font class="keywordflow">return</font> <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o1">_BackgroundFlags</a>;
00066 }
00067
<a name="l00068"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a12">00068</a> <font class="keywordtype">void</font> CBackgroundSoundManager::setBackgroundFlags(<font class="keyword">const</font> UAudioMixer::TBackgroundFlags &backgroundFlags)
00069 {
00070 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o1">_BackgroundFlags</a> = backgroundFlags;
00071 }
00072
<a name="l00073"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#c2">00073</a> <font class="keywordtype">void</font> CBackgroundSoundManager::addSound(<font class="keyword">const</font> std::string &soundName, <font class="keyword">const</font> std::vector<NLLIGO::CPrimVector> &points, <font class="keywordtype">bool</font> isPath)
00074 {
00075 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#l0">CAudioMixerUser</a> *mixer = CAudioMixerUser::instance();
00076 uint layerId = 0;
00077 uint n = 0;
00078 string name;
00079 <font class="comment">// count the number of '-' in the sgtring.</font>
00080 n = <a class="code" href="cf__gramatical_8cpp.html#a70">std::count</a>(soundName.begin(), soundName.end(), <font class="charliteral">'-'</font>);
00081
00082 <font class="keywordflow">if</font> (n == 2)
00083 {
00084 <font class="comment">// no layer spec, default to layer A</font>
00085 uint32 pos1 = soundName.find (<font class="stringliteral">"-"</font>);
00086 <font class="keywordflow">if</font>(pos1 == string::npos)
00087 {
00088 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"zone have the malformated name '%s' missing -name-"</font>, soundName.c_str());
00089 <font class="keywordflow">return</font>;
00090 }
00091 pos1++;
00092
00093 uint32 pos2 = soundName.find (<font class="stringliteral">"-"</font>, pos1);
00094 <font class="keywordflow">if</font>(pos2 == string::npos)
00095 {
00096 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"zone have the malformated name '%s' missing -name-"</font>, soundName.c_str());
00097 <font class="keywordflow">return</font>;
00098 }
00099
00100 name = soundName.substr(pos1, pos2-pos1);
00101 }
00102 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (n == 3)
00103 {
00104 <font class="comment">// layer spec !</font>
00105 uint32 pos1 = soundName.find (<font class="stringliteral">"-"</font>);
00106 uint32 pos2 = soundName.find (<font class="stringliteral">"-"</font>, pos1+1);
00107 <font class="keywordflow">if</font>(pos1 == string::npos || pos2 == string::npos)
00108 {
00109 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"zone have the malformated name '%s' missing -layerId- or -name-"</font>, soundName.c_str());
00110 <font class="keywordflow">return</font>;
00111 }
00112 pos1++;
00113
00114 uint32 pos3 = soundName.find (<font class="stringliteral">"-"</font>, pos2+1);
00115 <font class="keywordflow">if</font>(pos3 == string::npos)
00116 {
00117 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"zone have the malformated name '%s' missing -name-"</font>, soundName.c_str());
00118 <font class="keywordflow">return</font>;
00119 }
00120
00121 <font class="keywordtype">char</font> <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a> = soundName[pos1];
00122
00123 <font class="comment">// check caps</font>
00124 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a> < <font class="charliteral">'a'</font>)
00125 <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a> + (<font class="charliteral">'a'</font> - <font class="charliteral">'A'</font>);
00126
00127 layerId = <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a> - <font class="charliteral">'a'</font>;
00128
00129 <a class="code" href="namespaceNLMISC.html#a215">NLMISC::clamp</a>(layerId, 0u, <a class="code" href="namespaceNLSOUND.html#a18">BACKGROUND_LAYER</a>-1);
00130 pos2++;
00131
00132 name = soundName.substr(pos2, pos3-pos2);
00133 }
00134 <font class="keywordflow">else</font>
00135 {
00136 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"zone have the malformated name '%s"</font>, soundName.c_str());
00137 <font class="keywordflow">return</font>;
00138 }
00139
00140
00141 TSoundData sd;
00142
00143 sd.SoundName = name;
00144 sd.Sound = mixer->getSoundId(sd.SoundName);
00145 sd.Source = 0;
00146
00147 <font class="comment">// Copy the points</font>
00148 sd.Points.resize (points.size ());
00149 <font class="keywordflow">for</font> (uint i=0; i<points.size (); i++)
00150 sd.Points[i] = points[i];
00151
00152 sd.Selected = <font class="keyword">false</font>;
00153 sd.IsPath = isPath;
00154
00155 <font class="keywordflow">if</font> (sd.Sound != 0)
00156 {
00157 <font class="comment">// the sound is available !</font>
00158 <font class="comment">// compute bouding box/</font>
00159 CVector vmin(FLT_MAX, FLT_MAX, 0), vmax(-FLT_MAX, -FLT_MAX, 0);
00160
00161 vector<CVector>::iterator first(sd.Points.begin()), last(sd.Points.end());
00162 <font class="keywordflow">for</font> (; first != last; ++first)
00163 {
00164 vmin.x = <a class="code" href="bit__set_8cpp.html#a0">min</a>(first->x, vmin.x);
00165 vmin.y = <a class="code" href="bit__set_8cpp.html#a0">min</a>(first->y, vmin.y);
00166 vmax.x = max(first->x, vmax.x);
00167 vmax.y = max(first->y, vmax.y);
00168 }
00169 sd.MaxBox = vmax;
00170 sd.MinBox = vmin;
00171
00172 <font class="comment">// compute the surface without the sound distance</font>
00173 sd.Surface = (vmax.x - vmin.x) * (vmax.y - vmin.y);
00174
00175 <font class="comment">// add the eard distance of the sound.</font>
00176 <font class="keywordtype">float</font> dist = sd.Sound->getMaxDistance();
00177 sd.MaxBox.x += dist;
00178 sd.MaxBox.y += dist;
00179 sd.MinBox.x -= dist;
00180 sd.MinBox.y -= dist;
00181
00182 sd.MaxDist = dist;
00183
00184 <font class="comment">// store the sound. </font>
00185 <font class="comment">// TODO : handle the three layer.</font>
00186 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z962_0">_Layers</a>[layerId].push_back(sd);
00187 }
00188 <font class="keywordflow">else</font>
00189 {
00190 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"The sound '%s' can't be loaded"</font>, sd.SoundName.c_str());
00191 }
00192 }
00193
00194
<a name="l00195"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a2">00195</a> <font class="keywordtype">void</font> CBackgroundSoundManager::loadSamplesFromRegion(<font class="keyword">const</font> <a class="code" href="classNLLIGO_1_1CPrimRegion.html">NLLIGO::CPrimRegion</a> &region)
00196 {
00197 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_0">_Banks</a>.clear();
00198
00199 <font class="keywordflow">for</font> (uint i=0; i< region.<a class="code" href="classNLLIGO_1_1CPrimRegion.html#m2">VZones</a>.size(); ++i)
00200 {
00201 <font class="keywordflow">if</font> (region.<a class="code" href="classNLLIGO_1_1CPrimRegion.html#m2">VZones</a>[i].VPoints.size() > 2)
00202 {
00203 TBanksData bd;
00204 uint pointCount = region.<a class="code" href="classNLLIGO_1_1CPrimRegion.html#m2">VZones</a>[i].VPoints.size ();
00205 bd.Points.resize (pointCount);
00206 <font class="keywordflow">for</font> (uint j=0; j<pointCount; j++)
00207 {
00208 bd.Points[j] = region.<a class="code" href="classNLLIGO_1_1CPrimRegion.html#m2">VZones</a>[i].VPoints[j];
00209 }
00210
00211 <font class="comment">// compute bouding box.</font>
00212 CVector vmin(FLT_MAX, FLT_MAX, 0), vmax(-FLT_MAX, -FLT_MAX, 0);
00213
00214 vector<CVector>::iterator first(bd.Points.begin()), last(bd.Points.end());
00215 <font class="keywordflow">for</font> (; first != last; ++first)
00216 {
00217 vmin.x = <a class="code" href="bit__set_8cpp.html#a0">min</a>(first->x, vmin.x);
00218 vmin.y = <a class="code" href="bit__set_8cpp.html#a0">min</a>(first->y, vmin.y);
00219 vmax.x = max(first->x, vmax.x);
00220 vmax.y = max(first->y, vmax.y);
00221 }
00222 bd.MaxBox = vmax;
00223 bd.MinBox = vmin;
00224
00225 <font class="comment">// parse the zone name to find the samples name.</font>
00226 std::vector<std::string> splitted = <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#c3">split</a>(region.<a class="code" href="classNLLIGO_1_1CPrimRegion.html#m2">VZones</a>[i].Name, <font class="charliteral">'-'</font>);
00227
00228 <font class="keywordflow">if</font> (splitted.size() > 2)
00229 {
00230 <font class="keywordflow">for</font> (uint j=1; j<splitted.size()-1; ++j)
00231 {
00232 bd.Banks.push_back(splitted[j]);
00233 }
00234
00235 <font class="comment">// ok, store it in the container.</font>
00236 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_0">_Banks</a>.push_back(bd);
00237 }
00238 <font class="keywordflow">else</font>
00239 {
00240 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"A sample bank patatoid name did'nt contains banks name '%s'"</font>, region.<a class="code" href="classNLLIGO_1_1CPrimRegion.html#m2">VZones</a>[i].Name.c_str());
00241 }
00242 }
00243 <font class="keywordflow">else</font>
00244 {
00245 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"A sample bank patatoid have less than 3 points '%s'"</font>, region.<a class="code" href="classNLLIGO_1_1CPrimRegion.html#m2">VZones</a>[i].Name.c_str());
00246 }
00247 }
00248 }
00249
<a name="l00250"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a1">00250</a> <font class="keywordtype">void</font> CBackgroundSoundManager::loadEffecsFromRegion(<font class="keyword">const</font> <a class="code" href="classNLLIGO_1_1CPrimRegion.html">NLLIGO::CPrimRegion</a> &region)
00251 {
00252 }
00253
00254 <font class="keywordtype">void</font> CBackgroundSoundManager::loadSoundsFromRegion(<font class="keyword">const</font> CPrimRegion &region)
00255 {
00256 uint i;
00257 <font class="comment">// remember playing state</font>
00258 <font class="keywordtype">bool</font> oldState = <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o0">_Playing</a>;
00259 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a4">unload</a>();
00260
00261 <font class="keywordflow">for</font> (i = 0; i < region.VZones.size(); i++)
00262 {
00263 <font class="keywordflow">if</font>(region.VZones[i].VPoints.size()>2)
00264 {
00265 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#c2">addSound</a>(region.VZones[i].Name, region.VZones[i].VPoints, <font class="keyword">false</font>);
00266 }
00267 <font class="keywordflow">else</font>
00268 {
00269 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"A background sound patatoid have less than 3 points '%s'"</font>, region.VZones[i].Name.c_str());
00270 }
00271 }
00272
00273 <font class="keywordflow">for</font> (i = 0; i < region.VPaths.size(); i++)
00274 {
00275 <font class="keywordflow">if</font>(region.VPaths[i].VPoints.size() > 1)
00276 {
00277 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#c2">addSound</a>(region.VPaths[i].Name, region.VPaths[i].VPoints, <font class="keyword">true</font>);
00278 }
00279 <font class="keywordflow">else</font>
00280 {
00281 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"A background sound path have less than 2 points '%s'"</font>, region.VPaths[i].Name.c_str());
00282 }
00283 }
00284 <font class="keywordflow">for</font> (i = 0; i < region.VPoints.size(); i++)
00285 {
00286 std::vector<CPrimVector> points;
00287 points.push_back(region.VPoints[i].Point);
00288
00289 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#c2">addSound</a>(region.VPoints[i].Name, points, <font class="keyword">false</font>);
00290 }
00291
00292
00293 <font class="comment">// restart playing ?</font>
00294 <font class="keywordflow">if</font> (oldState)
00295 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a5">play</a>();
00296 }
00297
00298 <font class="keywordtype">void</font> CBackgroundSoundManager::load (<font class="keyword">const</font> string &continent)
00299 {
00300 <font class="comment">// load the sound.</font>
00301 {
00302 CIFile <a class="code" href="cf__lexical_8cpp.html#a95">file</a>;
00303 CPrimRegion region;
00304 string fn = continent+<font class="stringliteral">"_audio.prim"</font>;
00305
00306 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"loading '%s'"</font>, fn.c_str());
00307
00308 string path = CPath::lookup(fn, <font class="keyword">false</font>);
00309
00310 <font class="keywordflow">if</font>(!path.empty() && <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.open (path))
00311 {
00312 CIXml xml;
00313 xml.init (<a class="code" href="cf__lexical_8cpp.html#a95">file</a>);
00314 region.serial(xml);
00315 <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.close ();
00316
00317 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"Region '%s' contains %d zones for the background sounds"</font>, continent.c_str(), region.VZones.size());
00318
00319 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a0">loadSoundsFromRegion</a>(region);
00320 }
00321 }
00322 <font class="comment">// load the effect.</font>
00323 {
00324 CIFile <a class="code" href="cf__lexical_8cpp.html#a95">file</a>;
00325 CPrimRegion region;
00326 string fn = continent+<font class="stringliteral">"_effects.prim"</font>;
00327
00328 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"loading '%s'"</font>, fn.c_str());
00329
00330 string path = CPath::lookup(fn, <font class="keyword">false</font>);
00331
00332 <font class="keywordflow">if</font>(!path.empty() && <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.open (path))
00333 {
00334 CIXml xml;
00335 xml.init (<a class="code" href="cf__lexical_8cpp.html#a95">file</a>);
00336 region.serial(xml);
00337 <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.close ();
00338
00339 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"Region '%s' contains %d zones for the background effetcs"</font>, continent.c_str(), region.VZones.size());
00340
00341 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a1">loadEffecsFromRegion</a>(region);
00342 }
00343 }
00344 <font class="comment">// load the samples banks.</font>
00345 {
00346 CIFile <a class="code" href="cf__lexical_8cpp.html#a95">file</a>;
00347 CPrimRegion region;
00348 string fn = continent+<font class="stringliteral">"_samples.prim"</font>;
00349
00350 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"loading '%s'"</font>, fn.c_str());
00351
00352 string path = CPath::lookup(fn, <font class="keyword">false</font>);
00353
00354 <font class="keywordflow">if</font>(!path.empty() && <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.open (path))
00355 {
00356 CIXml xml;
00357 xml.init (<a class="code" href="cf__lexical_8cpp.html#a95">file</a>);
00358 region.serial(xml);
00359 <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.close ();
00360
00361 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"Region '%s' contains %d zones for the background samples banks"</font>, continent.c_str(), region.VZones.size());
00362
00363 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a2">loadSamplesFromRegion</a>(region);
00364 }
00365 }
00366 }
00367
00368
<a name="l00369"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a5">00369</a> <font class="keywordtype">void</font> CBackgroundSoundManager::play ()
00370 {
00371 <font class="keywordflow">if</font> (_Playing)
00372 <font class="keywordflow">return</font>;
00373
00374 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o0">_Playing</a> = <font class="keyword">true</font>;
00375
00376 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a8">updateBackgroundStatus</a>();
00377 }
00378
00379
<a name="l00380"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a6">00380</a> <font class="keywordtype">void</font> CBackgroundSoundManager::stop ()
00381 {
00382 <font class="keywordflow">if</font>(!<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o0">_Playing</a>)
00383 <font class="keywordflow">return</font>;
00384 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#l0">CAudioMixerUser</a> *mixer = CAudioMixerUser::instance();
00385
00386 <font class="keywordflow">for</font> (uint i=0; i<<a class="code" href="namespaceNLSOUND.html#a18">BACKGROUND_LAYER</a>; ++i)
00387 {
00388 <font class="comment">// stop all playing source</font>
00389 std::vector<TSoundData>::iterator first(<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z962_0">_Layers</a>[i].begin()), last(<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z962_0">_Layers</a>[i].end());
00390 <font class="keywordflow">for</font> (; first != last; ++first)
00391 {
00392 <font class="keywordflow">if</font> (first->Source != 0 && first->Source->isPlaying())
00393 first->Source->stop();
00394 }
00395 }
00396
00397 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o0">_Playing</a> = <font class="keyword">false</font>;
00398 }
00399
<a name="l00400"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a4">00400</a> <font class="keywordtype">void</font> CBackgroundSoundManager::unload ()
00401 {
00402 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a6">stop</a>();
00403
00404 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#l0">CAudioMixerUser</a> *mixer = CAudioMixerUser::instance();
00405
00406 <font class="keywordflow">for</font> (uint i=0; i<<a class="code" href="namespaceNLSOUND.html#a18">BACKGROUND_LAYER</a>; ++i)
00407 {
00408 <font class="comment">// delete all created source</font>
00409 std::vector<TSoundData>::iterator first(<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z962_0">_Layers</a>[i].begin()), last(<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z962_0">_Layers</a>[i].end());
00410 <font class="keywordflow">for</font> (; first != last; ++first)
00411 {
00412 <font class="keywordflow">if</font> (first->Source)
00413 <font class="comment">// mixer->removeSource(first->Source);</font>
00414 <font class="keyword">delete</font> first->Source;
00415 }
00416
00417 <font class="comment">// and free the layer.</font>
00418 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z962_0">_Layers</a>[i].clear();
00419 }
00420 }
00421
00422 <font class="keywordtype">void</font> CBackgroundSoundManager::setListenerPosition (<font class="keyword">const</font> CVector &listenerPosition)
00423 {
00424 <font class="keywordflow">if</font> (<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o2">_LastPosition</a> == listenerPosition)
00425 {
00426 <font class="keywordflow">return</font>;
00427 }
00428 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o2">_LastPosition</a> = listenerPosition;
00429
00430 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a8">updateBackgroundStatus</a>();
00431 }
00432
<a name="l00433"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a8">00433</a> <font class="keywordtype">void</font> CBackgroundSoundManager::updateBackgroundStatus()
00434 {
00435 <font class="keywordflow">if</font> (!<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o0">_Playing</a>)
00436 <font class="keywordflow">return</font>;
00437
00438 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#l0">CAudioMixerUser</a> *mixer = CAudioMixerUser::instance();
00439
00440 <font class="comment">// it s on 2d so we don't have z</font>
00441 CVector listener = <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o2">_LastPosition</a>;
00442 listener.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = 0.0f;
00443
00444 <font class="comment">// compute the list of load/unload banks.</font>
00445 {
00446 <font class="comment">// set of bank that must be in ram.</font>
00447 std::set<std::string> newBanks;
00448
00449 std::vector<TBanksData>::iterator first(<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_0">_Banks</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_0">_Banks</a>.end());
00450 <font class="keywordflow">for</font> (; first != last; ++first)
00451 {
00452 <font class="keywordflow">if</font> (listener.x >= first->MinBox.x && listener.x <= first->MaxBox.x
00453 && listener.y >= first->MinBox.y && listener.y <= first->MaxBox.y
00454 )
00455 {
00456 <font class="comment">// bounding box ok, </font>
00457 <font class="keywordflow">if</font> (CPrimZone::contains(listener, first->Points))
00458 {
00459 <font class="comment">// add the banks of this zone in the n</font>
00460 newBanks.insert(first->Banks.begin(), first->Banks.end());
00461 }
00462 }
00463 }
00464 <font class="comment">// ok, now compute to set : the set of bank to load, and the set of banks to unload.</font>
00465 std::set<std::string> noChange;
00466 std::set_intersection(<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_1">_LoadedBanks</a>.begin(), <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_1">_LoadedBanks</a>.end(), newBanks.begin(), newBanks.end(), std::inserter(noChange, noChange.end()));
00467
00468 std::set<std::string> loadList;
00469 std::set_difference(newBanks.begin(), newBanks.end(), noChange.begin(), noChange.end(), std::inserter(loadList, loadList.end()));
00470
00471 std::set<std::string> unloadList;
00472 std::set_difference(<a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_1">_LoadedBanks</a>.begin(), <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_1">_LoadedBanks</a>.end(), newBanks.begin(), newBanks.end(), std::inserter(unloadList, unloadList.end()));
00473
00474 <font class="comment">// and now, load and unload....</font>
00475 {
00476 std::set<std::string>::iterator first(loadList.begin()), last(loadList.end());
00477 <font class="keywordflow">for</font> (; first != last; ++first)
00478 {
00479 mixer->loadSampleBank(<font class="keyword">true</font>, *first);
00480 }
00481 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_1">_LoadedBanks</a>.insert(loadList.begin(), loadList.end());
00482 }
00483 {
00484 std::set<std::string>::iterator first(unloadList.begin()), last(unloadList.end());
00485 <font class="keywordflow">for</font> (; first != last; ++first)
00486 {
00487 <font class="keywordflow">if</font> (mixer->unloadSampleBank(*first))
00488 {
00489 <font class="comment">// ok, the bank is unloaded</font>
00490 <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z961_1">_LoadedBanks</a>.erase(*first);
00491 }
00492 }
00493 }
00494 }
00495
00496 <font class="comment">// Apply the same algo for each sound layer.</font>
00497 <font class="keywordflow">for</font> (uint i=0; i<<a class="code" href="namespaceNLSOUND.html#a18">BACKGROUND_LAYER</a>; ++i)
00498 {
00499 vector<TSoundData> &layer = <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#z962_0">_Layers</a>[i];
00500 vector<uint> selectedIndex;
00501 vector<uint> leaveIndex;
00502
00503 selectedIndex.reserve(layer.size());
00504 leaveIndex.reserve(layer.size());
00505
00506 <font class="comment">// extract the list of selected/unselected box</font>
00507 vector<TSoundData>::iterator first(layer.begin()), last(layer.end());
00508 <font class="keywordflow">for</font> (uint count = 0; first != last; ++first, ++count)
00509 {
00510 <font class="keywordflow">if</font> (listener.x >= first->MinBox.x && listener.x <= first->MaxBox.x
00511 && listener.y >= first->MinBox.y && listener.y <= first->MaxBox.y
00512 <font class="comment">// && listener.z >= first->MinBox.z && listener.z <= first->MaxBox.z</font>
00513 )
00514 {
00515 <font class="comment">// nldebug("patat %u is selected by box (%s)", count, first->SoundName.c_str());</font>
00516 selectedIndex.push_back(count);
00517 }
00518 <font class="keywordflow">else</font>
00519 {
00520 <font class="comment">// nldebug("patat %u is rejected by box (%s)", count, first->SoundName.c_str());</font>
00521 <font class="comment">// listener out of this box.</font>
00522 <font class="keywordflow">if</font> (first->Selected && first->Source != 0)
00523 {
00524 <font class="comment">// we leave this box.</font>
00525 leaveIndex.push_back(count);
00526 }
00527 }
00528 }
00529
00530 <font class="comment">// stop all the sound that are leaved.</font>
00531 {
00532 vector<uint>::iterator first(leaveIndex.begin()), last(leaveIndex.end());
00533 <font class="keywordflow">for</font> (; first != last; ++first)
00534 {
00535 TSoundData &sd = layer[*first];
00536 sd.Selected = <font class="keyword">false</font>;
00537 <font class="keywordflow">if</font> (sd.Source->isPlaying())
00538 sd.Source->stop();
00539 }
00540 }
00541 <font class="comment">// Compute new source mixing in this layer</font>
00542 {
00544 map<float, TSoundStatus> status;
00545
00546 <font class="comment">// first loop to compute selected sound gain and position and order the result by surface..</font>
00547 {
00548 vector<uint>::iterator first(selectedIndex.begin()), last(selectedIndex.end());
00549 <font class="keywordflow">for</font> (; first != last; ++first)
00550 {
00551 TSoundData &sd = layer[*first];
00552 CVector pos;
00553 <font class="keywordtype">float</font> gain;
00554 <font class="keywordtype">float</font> distance;
00555
00556 <font class="comment">// inside the patat ?</font>
00557
00558 <font class="keywordflow">if</font>(CPrimZone::contains(listener, sd.Points, distance, pos, sd.IsPath))
00559 {
00560 pos = <a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#o2">_LastPosition</a>; <font class="comment">// use the real listener position, not the 0 z centered</font>
00561 gain = 1.0f;
00562 <font class="comment">// nlinfo ("inside patate %d name '%s' ", *first, sd.SoundName.c_str());</font>
00563 }
00564 <font class="keywordflow">else</font>
00565 {
00566 <font class="keywordflow">if</font> (distance < sd.MaxDist)
00567 {
00568 <font class="comment">// compute the gain.</font>
00569 gain = (sd.MaxDist - distance) / sd.MaxDist;
00570 }
00571 <font class="keywordflow">else</font>
00572 {
00573 <font class="comment">// too far</font>
00574 gain = 0;
00575 }
00576 <font class="comment">//nlinfo ("near patate %d name '%s' from %f ", *first, sd.SoundName.c_str(), distance);</font>
00577 }
00578
00579 <font class="comment">// store the status.</font>
00580 status.insert(make_pair(sd.Surface, TSoundStatus(sd, pos, gain, distance)));
00581 }
00582 }
00583 <font class="comment">// second loop thrue the surface ordered selected sound.</font>
00584 {
00585 <font class="comment">// Sound mixing strategie :</font>
00586 <font class="comment">// The smallest zone sound mask bigger one</font>
00587
00588 <font class="keywordtype">float</font> maskFactor = 1.0f;
00589
00590 map<float, TSoundStatus>::iterator first(status.begin()), last(status.end());
00591 <font class="keywordflow">for</font> (; first != last; ++first)
00592 {
00593 TSoundStatus &ss = first->second;
00594
00595 <font class="keywordflow">if</font> (maskFactor > 0.0f && ss.Gain > 0)
00596 {
00597 <font class="keywordtype">float</font> gain = maskFactor * ss.Gain;
00598 <font class="comment">// maskFactor -= ss.Gain;</font>
00599
00600 ss.SoundData.Selected = <font class="keyword">true</font>;
00601
00602 <font class="keywordflow">if</font> (ss.Gain == 1)
00603 {
00604 <font class="comment">// inside a pattate, then decrease the mask factor will we are more inside the patate</font>
00605 maskFactor -= first->second.Distance / <a class="code" href="namespaceNLSOUND.html#a17">INSIDE_FALLOF</a>;
00606 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(maskFactor, 0.0f, 1.0f);
00607 }
00608
00609 <font class="comment">// start the soond (if needed) and update the volume.</font>
00610
00611 <font class="keywordflow">if</font> (ss.SoundData.Source == 0)
00612 {
00613 <font class="comment">// try to create the source.</font>
00614 ss.SoundData.Source = mixer->createSource(ss.SoundData.Sound, <font class="keyword">false</font>);
00615 }
00616 <font class="keywordflow">if</font> (ss.SoundData.Source != 0)
00617 {
00618 <font class="comment">// set the volume</font>
00619 ss.SoundData.Source->setRelativeGain(gain);
00620 <font class="comment">// and the position</font>
00621 ss.Position.z += 5.0f;
00622 ss.SoundData.Source->setPos(ss.Position);
00623
00624 <font class="comment">// nldebug("Setting source %s at %f", ss.SoundData.SoundName.c_str(), gain);</font>
00625 <font class="keywordflow">if</font> (!ss.SoundData.Source->isPlaying())
00626 {
00627 <font class="comment">// start the sound is needed.</font>
00628 ss.SoundData.Source->play();
00629 }
00630 }
00631 }
00632 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (ss.SoundData.Source != 0 && ss.SoundData.Source->isPlaying())
00633 {
00634 <font class="comment">// stop this too far source.</font>
00635 ss.SoundData.Source->stop();
00636 }
00637 }
00638 }
00639 } <font class="comment">// compute source mixing</font>
00640 } <font class="comment">// for each layer</font>
00641 }
00642
00643 <font class="comment">/*</font>
00644 <font class="comment">void CBackgroundSoundManager::update ()</font>
00645 <font class="comment">{</font>
00646 <font class="comment"></font>
00647 <font class="comment">}</font>
00648 <font class="comment">*/</font>
00649 <font class="comment">/*</font>
00650 <font class="comment">uint32 CBackgroundSoundManager::getZoneNumber ()</font>
00651 <font class="comment">{</font>
00652 <font class="comment">// return BackgroundSounds.size();</font>
00653 <font class="comment"> return 0;</font>
00654 <font class="comment">}</font>
00655 <font class="comment">*/</font>
00656 <font class="comment">/*</font>
00657 <font class="comment">const vector<CVector> &CBackgroundSoundManager::getZone(uint32 zone)</font>
00658 <font class="comment">{</font>
00659 <font class="comment">// nlassert (zone< BackgroundSounds.size());</font>
00660 <font class="comment">// return BackgroundSounds[zone].Points;</font>
00661 <font class="comment"> static vector<CVector> v;</font>
00662 <font class="comment"> return v;</font>
00663 <font class="comment">}</font>
00664 <font class="comment">*/</font>
<a name="l00665"></a><a class="code" href="classNLSOUND_1_1CBackgroundSoundManager.html#a10">00665</a> CVector CBackgroundSoundManager::getZoneSourcePos(uint32 zone)
00666 {
00667 <font class="comment">/* nlassert (zone< BackgroundSounds.size());</font>
00668 <font class="comment"> CVector pos;</font>
00669 <font class="comment"> if (BackgroundSounds[zone].SourceDay != NULL)</font>
00670 <font class="comment"> BackgroundSounds[zone].SourceDay->getPos(pos);</font>
00671 <font class="comment"> return pos;</font>
00672 <font class="comment">*/</font>
00673 <font class="keywordflow">return</font> CVector();
00674 }
00675
00676
00677 <font class="comment">/*</font>
00678 <font class="comment">void CBackgroundSoundManager::setDayNightRatio(float ratio)</font>
00679 <font class="comment">{</font>
00680 <font class="comment"> // 0 is day</font>
00681 <font class="comment"> // 1 is night</font>
00682 <font class="comment"></font>
00683 <font class="comment"> nlassert (ratio>=0.0f && ratio<=1.0f);</font>
00684 <font class="comment"></font>
00685 <font class="comment"> if (OldRatio == ratio)</font>
00686 <font class="comment"> return;</font>
00687 <font class="comment"> else</font>
00688 <font class="comment"> OldRatio = ratio;</font>
00689 <font class="comment"></font>
00690 <font class="comment"></font>
00691 <font class="comment"> // recompute all source volume</font>
00692 <font class="comment"></font>
00693 <font class="comment"> for (uint i = 0; i < BackgroundSounds.size(); i++)</font>
00694 <font class="comment"> {</font>
00695 <font class="comment"> if(ratio == 0.0f)</font>
00696 <font class="comment"> {</font>
00697 <font class="comment"> if(BackgroundSounds[i].SourceDay != NULL)</font>
00698 <font class="comment"> {</font>
00699 <font class="comment"> BackgroundSounds[i].SourceDay->setRelativeGain(1.0f);</font>
00700 <font class="comment"></font>
00701 <font class="comment"> if (!BackgroundSounds[i].SourceDay->isPlaying())</font>
00702 <font class="comment"> BackgroundSounds[i].SourceDay->play();</font>
00703 <font class="comment"> }</font>
00704 <font class="comment"> </font>
00705 <font class="comment"> if(BackgroundSounds[i].SourceNight != NULL)</font>
00706 <font class="comment"> {</font>
00707 <font class="comment"> if (BackgroundSounds[i].SourceNight->isPlaying())</font>
00708 <font class="comment"> BackgroundSounds[i].SourceNight->stop();</font>
00709 <font class="comment"> }</font>
00710 <font class="comment"> }</font>
00711 <font class="comment"> else if (ratio == 1.0f)</font>
00712 <font class="comment"> {</font>
00713 <font class="comment"> if(BackgroundSounds[i].SourceDay != NULL)</font>
00714 <font class="comment"> {</font>
00715 <font class="comment"> if (BackgroundSounds[i].SourceDay->isPlaying())</font>
00716 <font class="comment"> BackgroundSounds[i].SourceDay->stop();</font>
00717 <font class="comment"> }</font>
00718 <font class="comment"></font>
00719 <font class="comment"> if(BackgroundSounds[i].SourceNight != NULL)</font>
00720 <font class="comment"> {</font>
00721 <font class="comment"> BackgroundSounds[i].SourceNight->setRelativeGain(1.0f);</font>
00722 <font class="comment"></font>
00723 <font class="comment"> if (!BackgroundSounds[i].SourceNight->isPlaying())</font>
00724 <font class="comment"> BackgroundSounds[i].SourceNight->play();</font>
00725 <font class="comment"> }</font>
00726 <font class="comment"> }</font>
00727 <font class="comment"> else</font>
00728 <font class="comment"> {</font>
00729 <font class="comment"> if(BackgroundSounds[i].SourceDay != NULL)</font>
00730 <font class="comment"> {</font>
00731 <font class="comment"> BackgroundSounds[i].SourceDay->setRelativeGain((1.0f-ratio));</font>
00732 <font class="comment"></font>
00733 <font class="comment"> if (!BackgroundSounds[i].SourceDay->isPlaying())</font>
00734 <font class="comment"> BackgroundSounds[i].SourceDay->play();</font>
00735 <font class="comment"> }</font>
00736 <font class="comment"></font>
00737 <font class="comment"> if(BackgroundSounds[i].SourceNight != NULL)</font>
00738 <font class="comment"> {</font>
00739 <font class="comment"> BackgroundSounds[i].SourceNight->setRelativeGain(ratio);</font>
00740 <font class="comment"></font>
00741 <font class="comment"> if (!BackgroundSounds[i].SourceNight->isPlaying())</font>
00742 <font class="comment"> BackgroundSounds[i].SourceNight->play();</font>
00743 <font class="comment"> }</font>
00744 <font class="comment"> }</font>
00745 <font class="comment"> }</font>
00746 <font class="comment"></font>
00747 <font class="comment">}</font>
00748 <font class="comment">*/</font>
00749 } <font class="comment">// NLSOUND</font>
00750
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