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<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>
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