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authorneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
committerneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
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+<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 &amp;filename, <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a>&amp; 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>(&amp;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-&gt;<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-&gt;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-&gt;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-&gt;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-&gt;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> &amp;<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&amp; filename, <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a>&amp; 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 &gt; 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 &gt; 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 &gt; 0)
+00157 {
+00158 gain = 0;
+00159 }
+00160 <font class="keywordflow">if</font> (gain &lt; -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 &gt; 0)
+00169 {
+00170 gain = 0;
+00171 }
+00172 <font class="keywordflow">if</font> (gain &lt; -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>
+
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