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class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" 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>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 +</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> |