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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>sound.cpp</h1><a href="sound_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 <font class="preprocessor">#include "<a class="code" href="stdsound_8h.html">stdsound.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="sound_8h.html">sound.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font> +00030 <font class="preprocessor">#include "<a class="code" href="sound__bank_8h.html">sound_bank.h</a>"</font> +00031 +00032 <font class="preprocessor">#include "<a class="code" href="simple__sound_8h.html">simple_sound.h</a>"</font> +00033 <font class="preprocessor">#include "<a class="code" href="complex__sound_8h.html">complex_sound.h</a>"</font> +00034 <font class="preprocessor">#include "<a class="code" href="context__sound_8h.html">context_sound.h</a>"</font> +00035 +00036 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00037 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00038 +00039 +00040 <font class="keyword">namespace </font>NLSOUND { +00041 +<a name="l00042"></a><a class="code" href="classNLSOUND_1_1CSound.html#d0">00042</a> CSound *CSound::createSound(<font class="keyword">const</font> std::string &filename, <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a>& formRoot) +00043 { +00044 <a class="code" href="classNLSOUND_1_1CSound.html#a0">CSound</a> *ret = NULL; +00045 string soundType; +00046 +00047 <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a> *psoundType; +00048 +00049 <font class="keywordflow">if</font> (!formRoot.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a0">getNodeByName</a>(&psoundType, <font class="stringliteral">".SoundType"</font>)) +00050 { +00051 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"No SoundType in : %s"</font>, filename.c_str()); +00052 <font class="keywordflow">return</font> 0; +00053 } +00054 +00055 <font class="keywordflow">if</font> (psoundType != NULL) +00056 { +00057 std::string dfnName; +00058 psoundType-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a42">getDfnName</a>(dfnName); +00059 +00060 <font class="keywordflow">if</font> (dfnName == <font class="stringliteral">"simple_sound.dfn"</font>) +00061 { +00062 ret = <font class="keyword">new</font> CSimpleSound(); +00063 ret->importForm(filename, formRoot); +00064 } +00065 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (dfnName == <font class="stringliteral">"complex_sound.dfn"</font>) +00066 { +00067 ret = <font class="keyword">new</font> CComplexSound(); +00068 ret->importForm(filename, formRoot); +00069 } +00070 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (dfnName == <font class="stringliteral">"background_sound.dfn"</font>) +00071 { +00072 ret = <font class="keyword">new</font> CBackgroundSound(); +00073 ret->importForm(filename, formRoot); +00074 } +00075 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (dfnName == <font class="stringliteral">"context_sound.dfn"</font>) +00076 { +00077 ret = <font class="keyword">new</font> CContextSound(); +00078 ret->importForm(filename, formRoot); +00079 } +00080 <font class="keywordflow">else</font> +00081 { +00082 <a class="code" href="debug_8h.html#a8">nlassertex</a>(<font class="keyword">false</font>, (<font class="stringliteral">"SoundType unsuported : %s"</font>, dfnName.c_str())); +00083 } +00084 +00085 } +00086 +00087 <font class="keywordflow">return</font> ret; +00088 } +00089 +00090 +00091 +00092 <font class="comment">/*</font> +00093 <font class="comment"> * Constructor</font> +00094 <font class="comment"> */</font> +<a name="l00095"></a><a class="code" href="classNLSOUND_1_1CSound.html#a0">00095</a> CSound::CSound() : +00096 _Gain(1.0f), +00097 _Pitch(1.0f), +00098 _MaxDist(1000000.0f), +00099 _Priority(<a class="code" href="namespaceNLSOUND.html#a82a12">MidPri</a>), +00100 _Looping(false), +00101 _ConeInnerAngle(6.283185f), +00102 _ConeOuterAngle(6.283185f), +00103 _ConeOuterGain( 1.0f ) +00104 { +00105 } +00106 +<a name="l00107"></a><a class="code" href="classNLSOUND_1_1CSound.html#a1">00107</a> CSound::~CSound() +00108 {} +00109 +00110 +<a name="l00111"></a><a class="code" href="classNLSOUND_1_1CSound.html#a18">00111</a> <font class="keywordtype">void</font> CSound::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>) +00112 { +00113 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n0">_Gain</a>); +00114 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n1">_Pitch</a>); +00115 s.<a class="code" href="classNLMISC_1_1IStream.html#a6">serialEnum</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n2">_Priority</a>); +00116 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n3">_ConeInnerAngle</a>, <a class="code" href="classNLSOUND_1_1CSound.html#n4">_ConeOuterAngle</a>, <a class="code" href="classNLSOUND_1_1CSound.html#n5">_ConeOuterGain</a>); +00117 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n6">_Direction</a>); +00118 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n7">_Looping</a>); +00119 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n8">_MaxDist</a>); +00120 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n9">_Name</a>); +00121 } +00122 +00123 +<a name="l00127"></a><a class="code" href="classNLSOUND_1_1CSound.html#a3">00127</a> <font class="keywordtype">void</font> CSound::importForm(<font class="keyword">const</font> std::string& filename, <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a>& root) +00128 { +00129 <font class="comment">// Name</font> +00130 <a class="code" href="classNLSOUND_1_1CSound.html#n9">_Name</a> = CFile::getFilenameWithoutExtension(filename); +00131 +00132 <font class="comment">// InternalConeAngle</font> +00133 uint32 inner; +00134 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(inner, <font class="stringliteral">".InternalConeAngle"</font>); +00135 <font class="keywordflow">if</font> (inner > 360) +00136 { +00137 inner = 360; +00138 } +00139 <a class="code" href="classNLSOUND_1_1CSound.html#n3">_ConeInnerAngle</a> = (float) (<a class="code" href="namespaceNLMISC.html#a7">Pi</a> * inner / 180.0f); <font class="comment">// convert to radians</font> +00140 +00141 <font class="comment">// ExternalConeAngle</font> +00142 uint32 outer; +00143 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(outer, <font class="stringliteral">".ExternalConeAngle"</font>); +00144 <font class="keywordflow">if</font> (outer > 360) +00145 { +00146 outer = 360; +00147 } +00148 <a class="code" href="classNLSOUND_1_1CSound.html#n4">_ConeOuterAngle</a>= (float) (<a class="code" href="namespaceNLMISC.html#a7">Pi</a> * outer / 180.0f); <font class="comment">// convert to radians</font> +00149 +00150 <font class="comment">// Loop</font> +00151 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(<a class="code" href="classNLSOUND_1_1CSound.html#n7">_Looping</a>, <font class="stringliteral">".Loop"</font>); +00152 +00153 <font class="comment">// Gain</font> +00154 sint32 gain; +00155 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(gain, <font class="stringliteral">".Gain"</font>); +00156 <font class="keywordflow">if</font> (gain > 0) +00157 { +00158 gain = 0; +00159 } +00160 <font class="keywordflow">if</font> (gain < -100) +00161 { +00162 gain = -100; +00163 } +00164 <a class="code" href="classNLSOUND_1_1CSound.html#n0">_Gain</a> = (float) pow(10.0, gain / 20.0); <font class="comment">// convert dB to linear gain</font> +00165 +00166 <font class="comment">// External gain</font> +00167 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(gain, <font class="stringliteral">".ExternalGain"</font>); +00168 <font class="keywordflow">if</font> (gain > 0) +00169 { +00170 gain = 0; +00171 } +00172 <font class="keywordflow">if</font> (gain < -100) +00173 { +00174 gain = -100; +00175 } +00176 <a class="code" href="classNLSOUND_1_1CSound.html#n5">_ConeOuterGain</a> = (float) pow(10.0, gain / 20.0); <font class="comment">// convert dB to linear gain</font> +00177 +00178 <font class="comment">// Direction</font> +00179 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a366">z</a>; +00180 +00181 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <font class="stringliteral">".Direction.X"</font>); +00182 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <font class="stringliteral">".Direction.Y"</font>); +00183 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a366">z</a>, <font class="stringliteral">".Direction.Z"</font>); +00184 <a class="code" href="classNLSOUND_1_1CSound.html#n6">_Direction</a> = CVector(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a366">z</a>); +00185 +00186 +00187 <font class="comment">// Pitch</font> +00188 sint32 trans; +00189 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(trans, <font class="stringliteral">".Transpose"</font>); +00190 <a class="code" href="classNLSOUND_1_1CSound.html#n1">_Pitch</a> = (float) pow(<a class="code" href="namespaceNLSOUND.html#a73">Sqrt12_2</a>, trans); <font class="comment">// convert semi-tones to playback speed</font> +00191 +00192 <font class="comment">// Priority</font> +00193 uint32 prio = 0; +00194 root.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(prio, <font class="stringliteral">".Priority"</font>); +00195 <font class="keywordflow">switch</font> (prio) +00196 { +00197 <font class="keywordflow">case</font> 0: <a class="code" href="classNLSOUND_1_1CSound.html#n2">_Priority</a> = <a class="code" href="namespaceNLSOUND.html#a82a13">LowPri</a>; <font class="keywordflow">break</font>; +00198 <font class="keywordflow">default</font>: +00199 <font class="keywordflow">case</font> 1: <a class="code" href="classNLSOUND_1_1CSound.html#n2">_Priority</a> = <a class="code" href="namespaceNLSOUND.html#a82a12">MidPri</a>; <font class="keywordflow">break</font>; +00200 <font class="keywordflow">case</font> 2: <a class="code" href="classNLSOUND_1_1CSound.html#n2">_Priority</a> = <a class="code" href="namespaceNLSOUND.html#a82a11">HighPri</a>; <font class="keywordflow">break</font>; +00201 <font class="keywordflow">case</font> 3: <a class="code" href="classNLSOUND_1_1CSound.html#n2">_Priority</a> = <a class="code" href="namespaceNLSOUND.html#a82a10">HighestPri</a>; <font class="keywordflow">break</font>; +00202 } +00203 } +00204 +00205 +00206 +00207 } <font class="comment">// NLSOUND</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> |