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<hr><h1>background_sound.cpp</h1><a href="background__sound_8cpp.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">#include "<a class="code" href="stdsound_8h.html">stdsound.h</a>"</font>
00026
00027 <font class="preprocessor">#include "<a class="code" href="background__sound_8h.html">background_sound.h</a>"</font>
00028 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00029 <font class="preprocessor">#include <numeric></font>
00030 <font class="comment">/*#include "simple_sound.h"</font>
00031 <font class="comment">#include "sound_bank.h"</font>
00032 <font class="comment">#include "sample_bank.h"</font>
00033 <font class="comment">#include "driver/sound_driver.h"</font>
00034 <font class="comment">#include "driver/buffer.h"</font>
00035 <font class="comment">*/</font>
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_1CBackgroundSound.html#a0">00042</a> CBackgroundSound::CBackgroundSound()
00043 : _Duration(0), _DurationValid(false)
00044 {
00045 }
00046
<a name="l00047"></a><a class="code" href="classNLSOUND_1_1CBackgroundSound.html#a1">00047</a> CBackgroundSound::~CBackgroundSound()
00048 {
00049 }
00050
<a name="l00051"></a><a class="code" href="classNLSOUND_1_1CBackgroundSound.html#a8">00051</a> <font class="keywordtype">void</font> CBackgroundSound::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>)
00052 {
00053 CSound::serial(s);
00054
00055 s.<a class="code" href="classNLMISC_1_1IStream.html#a7">serialCont</a>(<a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>);
00056
00057 <font class="keywordflow">if</font> (s.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>())
00058 <a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o2">_DurationValid</a> = <font class="keyword">false</font>;
00059 }
00060
<a name="l00061"></a><a class="code" href="classNLSOUND_1_1CBackgroundSound.html#a3">00061</a> <font class="keywordtype">void</font> CBackgroundSound::importForm(<font class="keyword">const</font> std::string& filename, <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a>& formRoot)
00062 {
00063 <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a> *psoundType;
00064 std::string dfnName;
00065
00066 <font class="comment">// some basic checking.</font>
00067 formRoot.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a0">getNodeByName</a>(&psoundType, <font class="stringliteral">".SoundType"</font>);
00068 <a class="code" href="debug_8h.html#a6">nlassert</a>(psoundType != NULL);
00069 psoundType-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a42">getDfnName</a>(dfnName);
00070 <a class="code" href="debug_8h.html#a6">nlassert</a>(dfnName == <font class="stringliteral">"background_sound.dfn"</font>);
00071
00072 <font class="comment">// Call the base class</font>
00073 CSound::importForm(filename, formRoot);
00074
00075 <font class="comment">// Read the array of sound with there respective filter.</font>
00076 {
00077 <a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>.clear();
00078
00079 <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a> *psoundList;
00080
00081 formRoot.<a class="code" href="classNLGEORGES_1_1UFormElm.html#a0">getNodeByName</a>(&psoundList, <font class="stringliteral">".SoundType.Sounds"</font>);
00082
00083 <font class="keywordflow">if</font> (psoundList != 0 && psoundList-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a24">isArray</a>())
00084 {
00085 uint size;
00086 psoundList-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a25">getArraySize</a>(size);
00087
00088 <font class="keywordflow">for</font> (uint i=0; i<size; ++i)
00089 {
00090 TSoundInfo sound;
00091 <a class="code" href="classNLGEORGES_1_1UFormElm.html">NLGEORGES::UFormElm</a> *psoundItem;
00092
00093 psoundList-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a26">getArrayNode</a>(&psoundItem, i);
00094
00095 <font class="keywordflow">if</font> (psoundItem != NULL)
00096 {
00097 <font class="comment">// Read the sound name.</font>
00098 psoundItem-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(sound.SoundName, <font class="stringliteral">"Sound"</font>);
00099 sound.SoundName = CFile::getFilenameWithoutExtension(sound.SoundName);
00100
00101 psoundItem-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(sound.FilterFadeIn, <font class="stringliteral">"FilterFadeIn"</font>);
00102 psoundItem-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(sound.FilterFadeOut, <font class="stringliteral">"FilterFadeOut"</font>);
00103
00104 <font class="comment">// Read the environnement flag.</font>
00105
00106 <font class="keywordflow">for</font> (uint j=0; j<16; j++)
00107 {
00108 <font class="keywordtype">char</font> tmp[200];
00109 sprintf(tmp, <font class="stringliteral">"Filter%2.2u"</font>, j);
00110 psoundItem-><a class="code" href="classNLGEORGES_1_1UFormElm.html#a2">getValueByName</a>(sound.Filter.Flags[j], tmp);
00111 }
00112 }
00113
00114 <a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>.push_back(sound);
00115 }
00116 }
00117 }
00118
00119 <a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o2">_DurationValid</a> = <font class="keyword">false</font>;
00120 }
00121
<a name="l00122"></a><a class="code" href="classNLSOUND_1_1CBackgroundSound.html#a5">00122</a> uint32 CBackgroundSound::getDuration()
00123 {
00124 <font class="keywordflow">if</font> (_DurationValid)
00125 <font class="keywordflow">return</font> <a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o1">_Duration</a>;
00126
00127 vector<sint32> durations;
00128 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00129 std::vector<TSoundInfo>::const_iterator first(<a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>.end());
00130 <font class="keywordflow">for</font> (; first != last; ++first)
00131 {
00132 <a class="code" href="classNLSOUND_1_1CSound.html#a0">CSound</a> *sound = mixer->getSoundId(first->SoundName);
00133 <font class="keywordflow">if</font> (sound != NULL)
00134 durations.push_back(sound->getDuration());
00135 }
00136 <font class="keywordflow">if</font> (durations.empty())
00137 <font class="keywordflow">return</font> 0;
00138 <a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o1">_Duration</a> = *(std::max_element(durations.begin(), durations.end()));
00139 <a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o2">_DurationValid</a> = <font class="keyword">true</font>;
00140
00141 <font class="keywordflow">return</font> <a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o1">_Duration</a>;
00142 }
00143
<a name="l00144"></a><a class="code" href="classNLSOUND_1_1CBackgroundSound.html#a6">00144</a> <font class="keywordtype">void</font> CBackgroundSound::getSubSoundList(std::vector<std::pair<std::string, CSound*> > &subsounds)<font class="keyword"> const</font>
00145 <font class="keyword"></font>{
00146 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00147 std::vector<TSoundInfo>::const_iterator first(<a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>.end());
00148 <font class="keywordflow">for</font> (; first != last; ++first)
00149 {
00150 <a class="code" href="classNLSOUND_1_1CSound.html#a0">CSound</a> *sound = mixer->getSoundId(first->SoundName);
00151 subsounds.push_back(make_pair(first->SoundName, sound));
00152 }
00153 }
00154
<a name="l00155"></a><a class="code" href="classNLSOUND_1_1CBackgroundSound.html#a7">00155</a> <font class="keywordtype">float</font> CBackgroundSound::getMaxDistance()<font class="keyword"> const</font>
00156 <font class="keyword"></font>{
00157 CAudioMixerUser *mixer = CAudioMixerUser::instance();
00158 <font class="keywordtype">float</font> ret = 0.0f;
00159 std::vector<TSoundInfo>::const_iterator first(<a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>.begin()), last(<a class="code" href="classNLSOUND_1_1CBackgroundSound.html#o0">_Sounds</a>.end());
00160 <font class="keywordflow">for</font> (; first != last; ++first)
00161 {
00162 <a class="code" href="classNLSOUND_1_1CSound.html#a0">CSound</a> *sound = mixer->getSoundId(first->SoundName);
00163 <font class="keywordflow">if</font> (sound != 0)
00164 {
00165 ret = max(ret, sound->getMaxDistance());
00166 }
00167 }
00168 <font class="keywordflow">if</font> (ret == 0)
00169 ret = 1;
00170
00171 <font class="keywordflow">return</font> ret;
00172 }
00173
00174
00175
00176 } <font class="comment">// NLSOUND</font>
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