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<hr><h1>animated_value.h</h1><a href="animated_value_h.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">#ifndef NL_ANIMATED_VALUE_H
</font>00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_ANIMATED_VALUE_H
</font>00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include "<a class="code" href="types_nl_h.html">nel/misc/types_nl.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="vector_h.html">nel/misc/vector.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="quat_h.html">nel/misc/quat.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="rgba_h.html">nel/misc/rgba.h</a>"</font>
00033 
00034 
00035 <font class="keyword">namespace</font> NL3D 
00036 {
00037 
00038 
<a name="l00047"></a><a class="code" href="class_NL3D__IAnimatedValue.html">00047</a> <font class="keyword">class </font>IAnimatedValue
00048 {
00049 <font class="keyword">public</font>:
00058         <font class="keyword">virtual</font> <font class="keywordtype">void</font> blend (<font class="keyword">const</font> IAnimatedValue&amp; value, <font class="keywordtype">float</font> blendFactor) =0;
00059 
00065         <font class="keyword">virtual</font> <font class="keywordtype">void</font> affect (<font class="keyword">const</font> IAnimatedValue&amp; value) =0;
00066 };
00067 
00068 
00076 template&lt;class T&gt;
<a name="l00077"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable.html">00077</a> <font class="keyword">class </font>CAnimatedValueBlendable : <font class="keyword">public</font> IAnimatedValue
00078 {
00079 <font class="keyword">public</font>:
00080         <font class="comment">// NOT TESTED, JUST COMPILED. FOR PURPOSE ONLY.
</font><a name="l00082"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable.html#a0">00082</a> <font class="comment">        virtual void blend (const IAnimatedValue&amp; value, float blendFactor)</font>
00083         {
00084                 <font class="comment">// Check types of value</font>
00085                 <a class="code" href="debug_h.html#a6">nlassert</a> (<font class="keyword">typeid</font> (value)==<font class="keyword">typeid</font>(*this));
00086 
00087                 <font class="comment">// Cast</font>
00088                 CAnimatedValueBlendable&lt;T&gt;      *pValue=(CAnimatedValueBlendable&lt;T&gt;*)&amp;value;
00089 
00090                 <font class="comment">// Blend</font>
00091                 Value=(T) (Value*blendFactor+pValue-&gt;Value*(1.f-blendFactor));
00092         }
00093         
<a name="l00099"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable.html#a1">00099</a>         <font class="keyword">virtual</font> <font class="keywordtype">void</font> affect (<font class="keyword">const</font> IAnimatedValue&amp; value)<font class="keyword">
</font>00100 <font class="keyword">        </font>{
00101                 <font class="comment">// Check types of value</font>
00102                 <a class="code" href="debug_h.html#a6">nlassert</a> (<font class="keyword">typeid</font> (value)==<font class="keyword">typeid</font>(*this));
00103 
00104                 <font class="comment">// Cast</font>
00105                 CAnimatedValueBlendable&lt;T&gt;      *pValue=(CAnimatedValueBlendable&lt;T&gt;*)&amp;value;
00106 
00107                 <font class="comment">// Blend</font>
00108                 Value=pValue-&gt;Value;
00109         }
00110 
00111         <font class="comment">// The value read and write</font>
<a name="l00112"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable.html#m0">00112</a>         T       Value;
00113 };
00114 
00115 
00116 
<a name="l00124"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable_ltNLMISC__CQuat_gt.html">00124</a> <font class="keyword">class </font>CAnimatedValueBlendable&lt;NLMISC::CQuat&gt; : <font class="keyword">public</font> IAnimatedValue
00125 {
00126 <font class="keyword">public</font>:
<a name="l00128"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable_ltNLMISC__CQuat_gt.html#a0">00128</a>         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="namespace_NLMISC.html#a218">blend</a> (<font class="keyword">const</font> IAnimatedValue&amp; value, <font class="keywordtype">float</font> blendFactor)<font class="keyword">
</font>00129 <font class="keyword">        </font>{
00130                 <font class="comment">// Check types of value</font>
00131                 <a class="code" href="debug_h.html#a6">nlassert</a> (<font class="keyword">typeid</font> (value)==<font class="keyword">typeid</font>(*this));
00132 
00133                 <font class="comment">// Cast.</font>
00134                 CAnimatedValueBlendable&lt;NLMISC::CQuat&gt;  *pValue=(CAnimatedValueBlendable&lt;NLMISC::CQuat&gt;*)&amp;value;
00135 
00136                 <font class="comment">// blend.</font>
00137                 <font class="comment">// Yoyo: no makeClosest is done, because the result seems to be better when done</font>
00138                 <font class="comment">// before: for all blend values, and not one after one.</font>
00139                 Value= <a class="code" href="class_NLMISC__CQuatT.html#d1">NLMISC::CQuat::slerp</a>(Value, pValue-&gt;Value, 1-blendFactor);
00140 
00141         }
00142 
<a name="l00148"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable_ltNLMISC__CQuat_gt.html#a1">00148</a>         <font class="keyword">virtual</font> <font class="keywordtype">void</font> affect (<font class="keyword">const</font> IAnimatedValue&amp; value)<font class="keyword">
</font>00149 <font class="keyword">        </font>{
00150                 <font class="comment">// Check types of value</font>
00151                 <a class="code" href="debug_h.html#a6">nlassert</a> (<font class="keyword">typeid</font> (value)==<font class="keyword">typeid</font>(*this));
00152 
00153                 <font class="comment">// Cast</font>
00154                 CAnimatedValueBlendable&lt;NLMISC::CQuat&gt;  *pValue=(CAnimatedValueBlendable&lt;NLMISC::CQuat&gt;*)&amp;value;
00155 
00156                 <font class="comment">// Blend</font>
00157                 Value=pValue-&gt;Value;
00158         }
00159 
00160         <font class="comment">// The value</font>
<a name="l00161"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable_ltNLMISC__CQuat_gt.html#m0">00161</a>         <a class="code" href="class_NLMISC__CQuat.html">NLMISC::CQuat</a>   Value;
00162 };
00163 
00164 
<a name="l00172"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable_ltNLMISC__CRGBA_gt.html">00172</a> <font class="keyword">class </font>CAnimatedValueBlendable&lt;NLMISC::CRGBA&gt; : <font class="keyword">public</font> IAnimatedValue
00173 {
00174 <font class="keyword">public</font>:
<a name="l00176"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable_ltNLMISC__CRGBA_gt.html#a0">00176</a>         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="namespace_NLMISC.html#a218">blend</a> (<font class="keyword">const</font> IAnimatedValue&amp; value, <font class="keywordtype">float</font> blendFactor)<font class="keyword">
</font>00177 <font class="keyword">        </font>{
00178                 <font class="comment">// Check types of value</font>
00179                 <a class="code" href="debug_h.html#a6">nlassert</a> (<font class="keyword">typeid</font> (value)==<font class="keyword">typeid</font>(*this));
00180 
00181                 <font class="comment">// Cast.</font>
00182                 CAnimatedValueBlendable&lt;NLMISC::CRGBA&gt;  *pValue=(CAnimatedValueBlendable&lt;NLMISC::CRGBA&gt;*)&amp;value;
00183 
00184                 <font class="comment">// blend.</font>
00185                 Value.<a class="code" href="namespace_NLMISC.html#a217">blendFromui</a> (pValue-&gt;Value, this-&gt;Value, (uint)(255.f*blendFactor));
00186         }
00187 
<a name="l00193"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable_ltNLMISC__CRGBA_gt.html#a1">00193</a>         <font class="keyword">virtual</font> <font class="keywordtype">void</font> affect (<font class="keyword">const</font> IAnimatedValue&amp; value)<font class="keyword">
</font>00194 <font class="keyword">        </font>{
00195                 <font class="comment">// Check types of value</font>
00196                 <a class="code" href="debug_h.html#a6">nlassert</a> (<font class="keyword">typeid</font> (value)==<font class="keyword">typeid</font>(*this));
00197 
00198                 <font class="comment">// Cast</font>
00199                 CAnimatedValueBlendable&lt;NLMISC::CRGBA&gt;  *pValue=(CAnimatedValueBlendable&lt;NLMISC::CRGBA&gt;*)&amp;value;
00200 
00201                 <font class="comment">// Blend</font>
00202                 Value=pValue-&gt;Value;
00203         }
00204 
00205         <font class="comment">// The value</font>
<a name="l00206"></a><a class="code" href="class_NL3D__CAnimatedValueBlendable_ltNLMISC__CRGBA_gt.html#m0">00206</a>         <a class="code" href="class_NLMISC__CRGBA.html">NLMISC::CRGBA</a>   Value;
00207 };
00208 
00209 
00217 template&lt;class T&gt;
<a name="l00218"></a><a class="code" href="class_NL3D__CAnimatedValueNotBlendable.html">00218</a> <font class="keyword">class </font>CAnimatedValueNotBlendable : <font class="keyword">public</font> IAnimatedValue
00219 {
00220 <font class="keyword">public</font>:
<a name="l00222"></a><a class="code" href="class_NL3D__CAnimatedValueNotBlendable.html#a0">00222</a>         <font class="keyword">virtual</font> <font class="keywordtype">void</font> blend (<font class="keyword">const</font> IAnimatedValue&amp; value, <font class="keywordtype">float</font> blendFactor)<font class="keyword">
</font>00223 <font class="keyword">        </font>{
00224                 <font class="comment">// Check types of value</font>
00225                 <a class="code" href="debug_h.html#a6">nlassert</a> (<font class="keyword">typeid</font> (value)==<font class="keyword">typeid</font>(*this));
00226 
00227                 <font class="comment">// Cast</font>
00228                 CAnimatedValueNotBlendable&lt;T&gt;   *pValue=(CAnimatedValueNotBlendable&lt;T&gt;*)&amp;value;
00229 
00230                 <font class="comment">// Boolean blend</font>
00231                 <font class="keywordflow">if</font> (blendFactor&lt;0.5f)
00232                         Value=pValue-&gt;Value;
00233         }
00234         
<a name="l00240"></a><a class="code" href="class_NL3D__CAnimatedValueNotBlendable.html#a1">00240</a>         <font class="keyword">virtual</font> <font class="keywordtype">void</font> affect (<font class="keyword">const</font> IAnimatedValue&amp; value)<font class="keyword">
</font>00241 <font class="keyword">        </font>{
00242                 <font class="comment">// Check types of value</font>
00243                 <a class="code" href="debug_h.html#a6">nlassert</a> (<font class="keyword">typeid</font> (value)==<font class="keyword">typeid</font>(*this));
00244 
00245                 <font class="comment">// Cast</font>
00246                 CAnimatedValueNotBlendable&lt;T&gt;   *pValue=(CAnimatedValueNotBlendable&lt;T&gt;*)&amp;value;
00247 
00248                 <font class="comment">// Blend</font>
00249                 Value=pValue-&gt;Value;
00250         }
00251 
00252         <font class="comment">// The value</font>
<a name="l00253"></a><a class="code" href="class_NL3D__CAnimatedValueNotBlendable.html#m0">00253</a>         T       Value;
00254 };
00255 
00256 
<a name="l00257"></a><a class="code" href="namespace_NL3D.html#a1">00257</a> <font class="keyword">typedef</font> CAnimatedValueNotBlendable&lt;bool&gt;                        CAnimatedValueBool;
<a name="l00258"></a><a class="code" href="namespace_NL3D.html#a2">00258</a> <font class="keyword">typedef</font> CAnimatedValueBlendable&lt;sint32&gt;                         CAnimatedValueInt;
<a name="l00259"></a><a class="code" href="namespace_NL3D.html#a3">00259</a> <font class="keyword">typedef</font> CAnimatedValueBlendable&lt;float&gt;                          CAnimatedValueFloat;
<a name="l00260"></a><a class="code" href="namespace_NL3D.html#a4">00260</a> <font class="keyword">typedef</font> CAnimatedValueBlendable&lt;NLMISC::CVector&gt;        CAnimatedValueVector;
<a name="l00261"></a><a class="code" href="namespace_NL3D.html#a5">00261</a> <font class="keyword">typedef</font> CAnimatedValueNotBlendable&lt;std::string&gt;         CAnimatedValueString;
<a name="l00262"></a><a class="code" href="namespace_NL3D.html#a6">00262</a> <font class="keyword">typedef</font> CAnimatedValueBlendable&lt;NLMISC::CQuat&gt;          CAnimatedValueQuat;
<a name="l00263"></a><a class="code" href="namespace_NL3D.html#a7">00263</a> <font class="keyword">typedef</font> CAnimatedValueBlendable&lt;NLMISC::CRGBA&gt;          CAnimatedValueRGBA;
00264 
00265 
00266 } <font class="comment">// NL3D</font>
00267 
00268 
00269 <font class="preprocessor">#endif // NL_ANIMATED_VALUE_H
</font>00270 <font class="preprocessor"></font>
00271 <font class="comment">/* End of animated_value.h */</font>
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