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<hr><h1>sound_animation.cpp</h1><a href="sound__animation_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 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 <font class="preprocessor">#include "<a class="code" href="stdsound_8h.html">stdsound.h</a>"</font>
00027 <font class="preprocessor">#include "<a class="code" href="sound__animation_8h.html">nel/sound/sound_animation.h</a>"</font>
00028 <font class="preprocessor">#include "<a class="code" href="sound__anim__marker_8h.html">nel/sound/sound_anim_marker.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="stream_8h.html">nel/misc/stream.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="o__xml_8h.html">nel/misc/o_xml.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00033
00034 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00035 <font class="keyword">using</font> <font class="keyword">namespace </font>NLSOUND;
00036 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00037
00038 <font class="keyword">namespace </font>NLSOUND {
00039
00040
00041 <font class="comment">// ********************************************************</font>
00042
<a name="l00043"></a><a class="code" href="classNLSOUND_1_1CSoundAnimation.html#a2">00043</a> <font class="keywordtype">void</font> CSoundAnimation::addMarker(CSoundAnimMarker* marker)
00044 {
00045 <font class="keywordflow">if</font> (marker == NULL)
00046 <font class="keywordflow">return</font>;
00047
00048 <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n4">_Dirty</a> = <font class="keyword">true</font>;
00049 <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n2">_Markers</a>.push_back(marker);
00050 <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#b0">sort</a>();
00051 }
00052
00053 <font class="comment">// ********************************************************</font>
00054
<a name="l00055"></a><a class="code" href="classNLSOUND_1_1CSoundAnimation.html#a3">00055</a> <font class="keywordtype">void</font> CSoundAnimation::removeMarker(CSoundAnimMarker* marker)
00056 {
00057 <font class="keywordflow">if</font> (marker == NULL)
00058 <font class="keywordflow">return</font>;
00059
00060 <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n4">_Dirty</a> = <font class="keyword">true</font>;
00061 vector<CSoundAnimMarker*>::iterator iter;
00062 <font class="keywordflow">for</font> (iter = <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n2">_Markers</a>.begin(); iter != <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n2">_Markers</a>.end(); iter++)
00063 {
00064 <font class="keywordflow">if</font> (*iter == marker)
00065 {
00066 <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n2">_Markers</a>.erase(iter);
00067 <font class="keywordflow">break</font>;
00068 }
00069 }
00070 }
00071
00072 <font class="comment">// ********************************************************</font>
00073
<a name="l00074"></a><a class="code" href="classNLSOUND_1_1CSoundAnimation.html#b0">00074</a> <font class="keywordtype">void</font> CSoundAnimation::sort()
00075 {
00076 <font class="comment">//std::sort<CSoundAnimMarker*, eqmarker>(_Markers.begin(), _Markers.end(), eqmarker());</font>
00077 }
00078
00079 <font class="comment">// ********************************************************</font>
00080
<a name="l00081"></a><a class="code" href="classNLSOUND_1_1CSoundAnimation.html#a8">00081</a> <font class="keywordtype">void</font> CSoundAnimation::save()
00082 {
00083 <font class="comment">// File stream</font>
00084 COFile <a class="code" href="cf__lexical_8cpp.html#a95">file</a>;
00085 vector<const char*> sounds;
00086
00087 <font class="comment">// Open the file</font>
00088 <font class="keywordflow">if</font> (!<a class="code" href="cf__lexical_8cpp.html#a95">file</a>.open(<a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n3">_Filename</a>.c_str()))
00089 {
00090 <font class="keywordflow">throw</font> exception(<font class="stringliteral">"Can't open the file for writing"</font>);
00091 }
00092
00093 <font class="comment">// Create the XML stream</font>
00094 COXml output;
00095
00096 <font class="comment">// Init</font>
00097 <font class="keywordflow">if</font> (output.init (&<a class="code" href="cf__lexical_8cpp.html#a95">file</a>, <font class="stringliteral">"1.0"</font>))
00098 {
00099 xmlDocPtr xmlDoc = output.getDocument();
00100
00101 <font class="comment">// Create the first node</font>
00102 xmlNodePtr root = xmlNewDocNode (xmlDoc, NULL, (<font class="keyword">const</font> xmlChar*)<font class="stringliteral">"SOUNDANIMATION"</font>, NULL);
00103 xmlDocSetRootElement (xmlDoc, root);
00104
00105 vector<CSoundAnimMarker*>::iterator iter;
00106 <font class="keywordflow">for</font> (iter = <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n2">_Markers</a>.begin(); iter != <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n2">_Markers</a>.end(); iter++)
00107 {
00108 CSoundAnimMarker* marker = (*iter);
00109
00110 set<string>::iterator iter;
00111
00112 <font class="keywordtype">char</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>[64];
00113 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, 64, <font class="stringliteral">"%f"</font>, marker->getTime());
00114
00115 xmlNodePtr markerNode = xmlNewChild (root, NULL, (<font class="keyword">const</font> xmlChar*)<font class="stringliteral">"MARKER"</font>, NULL);
00116 xmlSetProp (markerNode, (<font class="keyword">const</font> xmlChar*) <font class="stringliteral">"time"</font>, (<font class="keyword">const</font> xmlChar*) <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>);
00117
00118 marker->getSounds(sounds);
00119
00120 vector<const char*>::iterator iter2;
00121 <font class="keywordflow">for</font> (iter2 = sounds.begin(); iter2 != sounds.end(); iter2++)
00122 {
00123 xmlNodePtr soundNode = xmlNewChild ( markerNode, NULL, (<font class="keyword">const</font> xmlChar*)<font class="stringliteral">"SOUND"</font>, NULL );
00124 xmlSetProp (soundNode, (<font class="keyword">const</font> xmlChar*)<font class="stringliteral">"name"</font>, (<font class="keyword">const</font> xmlChar*) (*iter2));
00125 }
00126
00127 sounds.clear();
00128 }
00129
00130 <font class="comment">// Flush the stream, write all the output file</font>
00131 output.flush ();
00132 }
00133
00134 <font class="comment">// Close the file</font>
00135 <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.close ();
00136
00137 <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n4">_Dirty</a> = <font class="keyword">false</font>;
00138 }
00139
00140 <font class="comment">// ********************************************************</font>
00141
<a name="l00142"></a><a class="code" href="classNLSOUND_1_1CSoundAnimation.html#a13">00142</a> <font class="keywordtype">void</font> CSoundAnimation::play(UAudioMixer* mixer, <font class="keywordtype">float</font> lastTime, <font class="keywordtype">float</font> curTime, CSoundContext &context)
00143 {
00144 vector<CSoundAnimMarker*>::iterator iter;
00145 <font class="keywordflow">for</font> (iter = <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n2">_Markers</a>.begin(); iter != <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n2">_Markers</a>.end(); iter++)
00146 {
00147 CSoundAnimMarker* marker = *iter;
00148 <a class="code" href="debug_8h.html#a6">nlassert</a>(marker);
00149
00150 <font class="keywordflow">if</font> ((lastTime <= marker->getTime()) && (marker->getTime() < curTime))
00151 {
00152 marker->play(mixer, context);
00153 }
00154 }
00155 }
00156
00157 <font class="comment">// ********************************************************</font>
00158
<a name="l00159"></a><a class="code" href="classNLSOUND_1_1CSoundAnimation.html#a7">00159</a> <font class="keywordtype">void</font> CSoundAnimation::load()
00160 {
00161 CIFile <a class="code" href="cf__lexical_8cpp.html#a95">file</a>;
00162
00163 <font class="comment">// Open the file</font>
00164 <font class="keywordflow">if</font> (!<a class="code" href="cf__lexical_8cpp.html#a95">file</a>.open(<a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n3">_Filename</a>.c_str()))
00165 {
00166 <font class="keywordflow">throw</font> exception(<font class="stringliteral">"Can't open the file for reading"</font>);
00167 }
00168
00169 <font class="comment">// Create the XML stream</font>
00170 CIXml input;
00171
00172 <font class="comment">// Init</font>
00173 <font class="keywordflow">if</font> (input.init (<a class="code" href="cf__lexical_8cpp.html#a95">file</a>))
00174 {
00175 xmlNodePtr animNode = input.getRootNode ();
00176 xmlNodePtr markerNode = input.getFirstChildNode(animNode, <font class="stringliteral">"MARKER"</font>);
00177
00178 <font class="keywordflow">while</font> (markerNode != 0)
00179 {
00180 CSoundAnimMarker* marker = <font class="keyword">new</font> CSoundAnimMarker();
00181
00182 <font class="keyword">const</font> <font class="keywordtype">char</font> *time = (<font class="keyword">const</font> <font class="keywordtype">char</font>*) xmlGetProp(markerNode, (xmlChar*) <font class="stringliteral">"time"</font>);
00183 <font class="keywordflow">if</font> (time == 0)
00184 {
00185 <font class="keywordflow">throw</font> exception(<font class="stringliteral">"Invalid sound animation marker"</font>);
00186 }
00187
00188 marker->setTime((<font class="keywordtype">float</font>) atof(time));
00189 xmlFree ((<font class="keywordtype">void</font>*)time);
00190
00191
00192 xmlNodePtr soundNode = input.getFirstChildNode(markerNode, <font class="stringliteral">"SOUND"</font>);
00193
00194 <font class="keywordflow">while</font> (soundNode != 0)
00195 {
00196 <font class="keywordtype">char</font> *name = (<font class="keywordtype">char</font>*) xmlGetProp(soundNode, (xmlChar*) <font class="stringliteral">"name"</font>);
00197 <font class="keywordflow">if</font> (name == 0)
00198 {
00199 <font class="keywordflow">throw</font> exception(<font class="stringliteral">"Invalid sound animation marker"</font>);
00200 }
00201
00202 marker->addSound(string(name));
00203
00204 xmlFree ((<font class="keywordtype">void</font>*)name);
00205
00206 soundNode = input.getNextChildNode(soundNode, <font class="stringliteral">"SOUND"</font>);
00207 }
00208
00209 <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#a2">addMarker</a>(marker);
00210
00211 markerNode = input.getNextChildNode(markerNode, <font class="stringliteral">"MARKER"</font>);
00212 }
00213 }
00214
00215 <font class="comment">// Close the file</font>
00216 <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.close ();
00217 <a class="code" href="classNLSOUND_1_1CSoundAnimation.html#n4">_Dirty</a> = <font class="keyword">false</font>;
00218 }
00219
00220 } <font class="comment">//namespace NLSOUND </font>
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