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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 &lt;hash_map&gt;</font>
+00030 <font class="preprocessor">#include &lt;<a class="code" href="fast__mem_8h.html">nel/misc/fast_mem.h</a>&gt;</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> &lt;u<font class="keywordtype">int</font> NbJoker, <font class="keywordtype">bool</font> UseRandom, u<font class="keywordtype">int</font> Shift = 5&gt;
+<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&lt;NbJoker; ++i)
+00046 {
+00047 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m1">JokersValues</a>[i] = jokersValues[i];
+00048
+00049 uint leftShift = (5*i)&amp;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] &lt;&lt; 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] &gt;&gt; (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)&amp;0x1f;
+00057 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a> ^= randomValue &lt;&lt; leftShift;
+00058 <a class="code" href="structNLSOUND_1_1CContextMatcher.html#m0">HashValue</a> ^= randomValue &gt;&gt; (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> &amp;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 &amp;&amp; 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&lt;CContextMatcher, size_t&gt;
+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 &amp;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 &amp;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 &amp;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&lt;std::pair&lt;std::string, CSound*&gt; &gt; &amp;subsounds) <font class="keyword">const</font> =0;
+00102 };
+00103
+00104 <font class="keyword">template</font> &lt;u<font class="keywordtype">int</font> NbJoker, <font class="keywordtype">bool</font> UseRandom, u<font class="keywordtype">int</font> Shift = 5&gt;
+<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&lt;CContextMatcher&lt;NbJoker, UseRandom, Shift&gt;, CSound *, CContextMatcher&lt;NbJoker, UseRandom, Shift&gt;::CHash&gt; <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 &amp;baseName)
+00116 {
+00117 <font class="keyword">const</font> std::string &amp;patternName = sound-&gt;getName();
+00118 <a class="code" href="debug_8h.html#a6">nlassert</a>(patternName.size() &gt;= 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&lt;NbJoker &amp;&amp; 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&lt;NbJoker, UseRandom, Shift&gt; 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&lt;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&lt;THashContextSound::iterator, bool&gt; 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-&gt;getName().c_str(), it-&gt;second-&gt;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 &amp;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&lt;NbJoker; ++i)
+00227 args[i] = context.Args[<a class="code" href="classNLSOUND_1_1CContextSoundContainer.html#o0">_ContextArgsIndex</a>[i]];
+00228
+00229 CContextMatcher&lt;NbJoker, UseRandom, Shift&gt; 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-&gt;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&lt;std::pair&lt;std::string, CSound*&gt; &gt; &amp;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-&gt;second-&gt;getName(), first-&gt;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&amp; filename, <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a>&amp; 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&lt;std::pair&lt;std::string, CSound*&gt; &gt; &amp;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 &amp;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> &amp;<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>
+
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