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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>context_sound.h</h1><a href="context__sound_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00006 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font> +00007 <font class="comment"> *</font> +00008 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00009 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00010 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00011 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00012 <font class="comment"> * any later version.</font> +00013 <font class="comment"></font> +00014 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00015 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00016 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00017 <font class="comment"> * General Public License for more details.</font> +00018 <font class="comment"></font> +00019 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00020 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00021 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00022 <font class="comment"> * MA 02111-1307, USA.</font> +00023 <font class="comment"> */</font> +00024 +00025 <font class="preprocessor">#ifndef NL_CONTEXT_SOUND_H</font> +00026 <font class="preprocessor"></font><font class="preprocessor">#define NL_CONTEXT_SOUND_H</font> +00027 <font class="preprocessor"></font> +00028 <font class="preprocessor">#include "<a class="code" href="sound_8h.html">sound.h</a>"</font> +00029 <font class="preprocessor">#include <hash_map></font> +00030 <font class="preprocessor">#include <<a class="code" href="fast__mem_8h.html">nel/misc/fast_mem.h</a>></font> +00031 +00032 <font class="keyword">namespace </font>NLSOUND { +00033 +00034 <font class="keyword">class </font>ISoundDriver; +00035 <font class="keyword">class </font>IBuffer; +00036 <font class="keyword">class </font>CSound; +00037 +00038 +00039 <font class="keyword">template</font> <u<font class="keywordtype">int</font> NbJoker, <font class="keywordtype">bool</font> UseRandom, u<font class="keywordtype">int</font> Shift = 5> +<a name="l00040"></a><a class="code" href="structNLSOUND_1_1CContextMatcher.html">00040</a> <font class="keyword">struct </font>CContextMatcher +00041 { +<a name="l00042"></a><a class="code" href="structNLSOUND_1_1CContextMatcher.html#a0">00042</a> <a class="code" href="structNLSOUND_1_1CContextMatcher.html#a0">CContextMatcher</a>(uint32 *jokersValues, uint32 randomValue) +00043 : <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a>(0) +00044 { +00045 <font class="keywordflow">for</font> (uint i=0; i<NbJoker; ++i) +00046 { +00047 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m1">JokersValues</a>[i] = jokersValues[i]; +00048 +00049 uint leftShift = (5*i)&0x1f; +00050 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a> ^= <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m1">JokersValues</a>[i] << leftShift; +00051 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a> ^= <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m1">JokersValues</a>[i] >> (32-leftShift); +00052 } +00053 <font class="keywordflow">if</font> (UseRandom) +00054 { +00055 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m2">RandomValue</a> = randomValue; +00056 uint leftShift = (5*i)&0x1f; +00057 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a> ^= randomValue << leftShift; +00058 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a> ^= randomValue >> (32-leftShift); +00059 } +00060 <font class="keywordflow">else</font> +00061 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m2">RandomValue</a> = 0; +00062 } +00063 +<a name="l00064"></a><a class="code" href="structNLSOUND_1_1CContextMatcher.html#a1">00064</a> <font class="keywordtype">bool</font> <a class="code" href="structNLSOUND_1_1CContextMatcher.html#a1">operator ==</a>(<font class="keyword">const</font> <a class="code" href="structNLSOUND_1_1CContextMatcher.html#a0">CContextMatcher</a> &other)<font class="keyword"> const</font> +00065 <font class="keyword"> </font>{ +00066 <font class="keywordflow">if</font> (<a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a> != other.HashValue) +00067 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00068 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (UseRandom) +00069 <font class="keywordflow">return</font> <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m2">RandomValue</a> == other.RandomValue && memcmp(<a class="code" href="structNLSOUND_1_1CContextMatcher.html#m1">JokersValues</a>, other.JokersValues, <font class="keyword">sizeof</font>(uint32)*NbJoker) == 0; +00070 <font class="keywordflow">else</font> +00071 <font class="keywordflow">return</font> memcmp(<a class="code" href="structNLSOUND_1_1CContextMatcher.html#m1">JokersValues</a>, other.JokersValues, <font class="keyword">sizeof</font>(uint32)*NbJoker) == 0; +00072 } +00073 +<a name="l00074"></a><a class="code" href="structNLSOUND_1_1CContextMatcher.html#a2">00074</a> size_t <a class="code" href="structNLSOUND_1_1CContextMatcher.html#a2">getHashValue</a>()<font class="keyword"> const</font> +00075 <font class="keyword"> </font>{ +00076 <font class="keywordflow">return</font> size_t(<a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a>); +00077 } +00078 +<a name="l00079"></a><a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">00079</a> uint32 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a>; +<a name="l00080"></a><a class="code" href="structNLSOUND_1_1CContextMatcher.html#m1">00080</a> uint32 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m1">JokersValues</a>[NbJoker]; +<a name="l00081"></a><a class="code" href="structNLSOUND_1_1CContextMatcher.html#m2">00081</a> uint32 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m2">RandomValue</a>; +00082 +<a name="l00083"></a><a class="code" href="structNLSOUND_1_1CContextMatcher_1_1CHash.html">00083</a> <font class="keyword">struct </font>CHash : <font class="keyword">public</font> std::unary_function<CContextMatcher, size_t> +00084 { +<a name="l00085"></a><a class="code" href="structNLSOUND_1_1CContextMatcher_1_1CHash.html#a0">00085</a> size_t <a class="code" href="structNLSOUND_1_1CContextMatcher_1_1CHash.html#a0">operator () </a>(<font class="keyword">const</font> CContextMatcher &patternMatcher)<font class="keyword"> const</font> +00086 <font class="keyword"> </font>{ +00087 <font class="keywordflow">return</font> patternMatcher.getHashValue(); +00088 } +00089 }; +00090 +00091 }; +00092 +00093 +<a name="l00094"></a><a class="code" href="classNLSOUND_1_1IContextSoundContainer.html">00094</a> <font class="keyword">class </font>IContextSoundContainer +00095 { +00096 <font class="keyword">public</font>: +<a name="l00097"></a><a class="code" href="classNLSOUND_1_1IContextSoundContainer.html#a0">00097</a> <font class="keyword">virtual</font> <a class="code" href="classNLSOUND_1_1IContextSoundContainer.html#a0">~IContextSoundContainer</a>() {}; +00098 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1IContextSoundContainer.html#a1">init</a>(uint *contextArgsIndex) =0; +00099 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1IContextSoundContainer.html#a2">addSound</a>(CSound *sound, <font class="keyword">const</font> std::string &baseName) =0; +00100 <font class="keyword">virtual</font> CSound *<a class="code" href="classNLSOUND_1_1IContextSoundContainer.html#a3">getSound</a>(<font class="keyword">const</font> CSoundContext &context, uint32 randomValue) =0; +00101 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1IContextSoundContainer.html#a4">getSoundList</a>(std::vector<std::pair<std::string, CSound*> > &subsounds) <font class="keyword">const</font> =0; +00102 }; +00103 +00104 <font class="keyword">template</font> <u<font class="keywordtype">int</font> NbJoker, <font class="keywordtype">bool</font> UseRandom, u<font class="keywordtype">int</font> Shift = 5> +<a name="l00105"></a><a class="code" href="classNLSOUND_1_1CContextSoundContainer.html">00105</a> <font class="keyword">class </font>CContextSoundContainer : <font class="keyword">public</font> IContextSoundContainer +00106 { +00107 +<a name="l00108"></a><a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#u0">00108</a> <font class="keyword">typedef</font> std::hash_map<CContextMatcher<NbJoker, UseRandom, Shift>, CSound *, CContextMatcher<NbJoker, UseRandom, Shift>::CHash> <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#u0">THashContextSound</a>; +00109 +<a name="l00110"></a><a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#c0">00110</a> <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#c0">init</a>(uint *contextArgsIndex) +00111 { +00112 NLMISC::CFastMem::memcpy(<a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o0">_ContextArgsIndex</a>, contextArgsIndex, <font class="keyword">sizeof</font>(uint) * NbJoker); +00113 } +00114 +<a name="l00115"></a><a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#c1">00115</a> <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#c1">addSound</a>(CSound *sound, <font class="keyword">const</font> std::string &baseName) +00116 { +00117 <font class="keyword">const</font> std::string &patternName = sound->getName(); +00118 <a class="code" href="debug_8h.html#a6">nlassert</a>(patternName.size() >= baseName.size()); +00119 +00120 std::string arg; +00121 uint32 args[NbJoker]; +00122 +00123 <font class="comment">// extract the context values</font> +00124 std::string::const_iterator first(patternName.begin() + baseName.size()), last(patternName.end()); +00125 <font class="comment">// std::string::const_iterator first2(baseName.begin()), last2(baseName.end());</font> +00126 <font class="comment">// 1st, skip the base name </font> +00127 <font class="comment">// for (; first == first2; ++first, ++first2);</font> +00128 +00129 <font class="comment">// 2nd, read all the joker values</font> +00130 <font class="keywordflow">for</font> (uint i=0; i<NbJoker && first != last; ++first) +00131 { +00132 <font class="keywordflow">if</font> (isdigit(<font class="keywordtype">int</font>(*first))) +00133 { +00134 arg += *first; +00135 } +00136 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (!arg.empty()) +00137 { +00138 <font class="comment">// end of the argument.</font> +00139 args[i++] = atoi(arg.c_str()); +00140 arg = <font class="stringliteral">""</font>; +00141 } +00142 } +00143 <font class="comment">// read the potential last arg.</font> +00144 <font class="keywordflow">if</font> (!arg.empty()) +00145 { +00146 <font class="comment">// end of the argument.</font> +00147 args[i++] = atoi(arg.c_str()); +00148 arg = <font class="stringliteral">""</font>; +00149 } +00150 +00151 <font class="keywordflow">if</font> (i != NbJoker) +00152 <font class="keywordflow">return</font>; +00153 <a class="code" href="debug_8h.html#a6">nlassert</a>(i==NbJoker); +00154 +00155 <font class="keywordtype">int</font> randomValue; +00156 <font class="keywordflow">if</font> (UseRandom) +00157 { +00158 <font class="keywordtype">bool</font> ok = <font class="keyword">false</font>; +00159 <font class="comment">// 3rd, read the random value (if any)</font> +00160 <font class="keywordflow">for</font> (uint i=0; first != last; ++first) +00161 { +00162 <font class="keywordflow">if</font> (isdigit(<font class="keywordtype">int</font>(*first))) +00163 { +00164 arg += *first; +00165 } +00166 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (!arg.empty()) +00167 { +00168 <a class="code" href="debug_8h.html#a6">nlassert</a> (ok == <font class="keyword">false</font>); +00169 <font class="comment">// end of the argument.</font> +00170 randomValue = atoi(arg.c_str()); +00171 arg = <font class="stringliteral">""</font>; +00172 ok = <font class="keyword">true</font>; +00173 } +00174 } +00175 <font class="comment">// read the potential last arg.</font> +00176 <font class="keywordflow">if</font> (!arg.empty()) +00177 { +00178 <a class="code" href="debug_8h.html#a6">nlassert</a> (ok == <font class="keyword">false</font>); +00179 <font class="comment">// end of the argument.</font> +00180 randomValue = atoi(arg.c_str()); +00181 arg = <font class="stringliteral">""</font>; +00182 ok = <font class="keyword">true</font>; +00183 } +00184 <a class="code" href="debug_8h.html#a6">nlassert</a> (ok == <font class="keyword">true</font>); +00185 +00186 } +00187 <font class="keywordflow">else</font> +00188 { +00189 randomValue = 0; +00190 } +00191 +00192 <font class="comment">// ok, now create the key and storea the sound.</font> +00193 CContextMatcher<NbJoker, UseRandom, Shift> cm(args, randomValue); +00194 +00195 <font class="preprocessor">#ifdef _DEBUG</font> +00196 <font class="preprocessor"></font> <font class="keywordtype">char</font> tmp[1024]; +00197 <font class="keywordtype">char</font> tmp2[1024]; +00198 +00199 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a>(tmp, 1024, <font class="stringliteral">"Adding sound : %s, args = "</font>, patternName.c_str()); +00200 +00201 <font class="keywordflow">for</font> (uint k=0; k<NbJoker; ++k) +00202 { +00203 sprintf(tmp2, <font class="stringliteral">"%u"</font>, args[k]); +00204 strcat(tmp, tmp2); +00205 } +00206 +00207 <a class="code" href="debug_8h.html#a0">nldebug</a>(tmp); +00208 +00209 <font class="preprocessor">#endif</font> +00210 <font class="preprocessor"></font> +00211 std::pair<THashContextSound::iterator, bool> ret; +00212 ret = <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">_ContextSounds</a>.insert(std::make_pair(cm, sound)); +00213 <font class="keywordflow">if</font> (!ret.second) +00214 { +00215 THashContextSound::iterator it = <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">_ContextSounds</a>.find(cm); +00216 <a class="code" href="debug_8h.html#a6">nlassert</a>(it != <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">_ContextSounds</a>.end()); +00217 +00218 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Sound %s has the same context matcher as the sound %s"</font>, sound->getName().c_str(), it->second->getName().c_str()); +00219 } +00220 } +00221 +<a name="l00222"></a><a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#c2">00222</a> <font class="keyword">virtual</font> CSound *<a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#c2">getSound</a>(<font class="keyword">const</font> CSoundContext &context, uint32 randomValue) +00223 { +00224 <font class="comment">// create a key</font> +00225 uint32 args[NbJoker]; +00226 <font class="keywordflow">for</font> (uint i=0; i<NbJoker; ++i) +00227 args[i] = context.Args[<a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o0">_ContextArgsIndex</a>[i]]; +00228 +00229 CContextMatcher<NbJoker, UseRandom, Shift> cm(args, randomValue); +00230 +00231 THashContextSound::iterator it = <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">_ContextSounds</a>.find(cm); +00232 +00233 <font class="keywordflow">if</font> (it != <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">_ContextSounds</a>.end()) +00234 <font class="keywordflow">return</font> it->second; +00235 <font class="keywordflow">else</font> +00236 <font class="keywordflow">return</font> 0; +00237 } +00238 +<a name="l00239"></a><a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#c3">00239</a> <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#c3">getSoundList</a>(std::vector<std::pair<std::string, CSound*> > &subsounds)<font class="keyword"> const</font> +00240 <font class="keyword"> </font>{ +00241 THashContextSound::const_iterator first(<a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">_ContextSounds</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">_ContextSounds</a>.end()); +00242 <font class="keywordflow">for</font> (; first != last; ++first) +00243 { +00244 subsounds.push_back(std::make_pair(first->second->getName(), first->second)); +00245 } +00246 } +00247 +00248 <font class="keyword">private</font>: +<a name="l00249"></a><a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o0">00249</a> uint32 <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o0">_ContextArgsIndex</a>[NbJoker]; +<a name="l00250"></a><a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">00250</a> <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#u0">THashContextSound</a> <a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o1">_ContextSounds</a>; +00251 }; +00252 +<a name="l00253"></a><a class="code" href="classNLSOUND_1_1CContextSound.html">00253</a> <font class="keyword">class </font>CContextSound : <font class="keyword">public</font> CSound +00254 { +00255 <font class="keyword">public</font>: +00257 <a class="code" href="classNLSOUND_1_1CContextSound.html#a0">CContextSound</a>(); +00259 <a class="code" href="classNLSOUND_1_1CContextSound.html#a1">~CContextSound</a>(); +00260 +00261 +<a name="l00262"></a><a class="code" href="classNLSOUND_1_1CContextSound.html#a2">00262</a> <a class="code" href="classNLSOUND_1_1CSound.html#s4">TSOUND_TYPE</a> <a class="code" href="classNLSOUND_1_1CContextSound.html#a2">getSoundType</a>() { <font class="keywordflow">return</font> CSound::SOUND_CONTEXT; }; +00263 +00265 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1CContextSound.html#a3">importForm</a>(<font class="keyword">const</font> std::string& filename, <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a>& formRoot); +00266 +00268 <font class="keyword">virtual</font> <font class="keywordtype">bool</font> <a class="code" href="classNLSOUND_1_1CContextSound.html#a4">isDetailed</a>() <font class="keyword">const</font>; +00270 <font class="keyword">virtual</font> uint32 <a class="code" href="classNLSOUND_1_1CContextSound.html#a5">getDuration</a>(); +00272 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1CContextSound.html#a6">getSubSoundList</a>(std::vector<std::pair<std::string, CSound*> > &subsounds) <font class="keyword">const</font>; +00273 +00274 +00275 <a class="code" href="classNLSOUND_1_1CSound.html#a0">CSound</a> *<a class="code" href="classNLSOUND_1_1CContextSound.html#a7">getContextSound</a>(CSoundContext &context); +00276 +00277 <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1CContextSound.html#a8">init</a>(); +00278 +00279 <font class="keywordtype">void</font> <a class="code" href="classNLSOUND_1_1CContextSound.html#a9">serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>); +00280 +00281 +00282 <font class="keyword">private</font>: +00283 +<a name="l00285"></a><a class="code" href="classNLSOUND_1_1CContextSound.html#o0">00285</a> std::string <a class="code" href="classNLSOUND_1_1CContextSound.html#o0">_PatternName</a>; +<a name="l00287"></a><a class="code" href="classNLSOUND_1_1CContextSound.html#o1">00287</a> std::string <a class="code" href="classNLSOUND_1_1CContextSound.html#o1">_BaseName</a>; +00288 +<a name="l00290"></a><a class="code" href="classNLSOUND_1_1CContextSound.html#o2">00290</a> uint32 <a class="code" href="classNLSOUND_1_1CContextSound.html#o2">_Random</a>; +00291 +00292 +00293 +<a name="l00295"></a><a class="code" href="classNLSOUND_1_1CContextSound.html#o3">00295</a> IContextSoundContainer *<a class="code" href="classNLSOUND_1_1CContextSound.html#o3">_ContextSounds</a>; +00296 +00297 }; +00298 +00299 } <font class="comment">// NLSOUND</font> +00300 +00301 <font class="preprocessor">#endif //NL_CONTEXT_SOUND_H</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |