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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>tile_lumel.cpp</h1><a href="tile__lumel_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="std3d_8h.html">std3d.h</a>"</font>
+00027
+00028 <font class="preprocessor">#include "<a class="code" href="tile__lumel_8h.html">3d/tile_lumel.h</a>"</font>
+00029
+00030 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
+00031
+00032 <font class="keyword">namespace </font>NL3D
+00033 {
+00034
+00035
+00036 <font class="comment">// ***************************************************************************</font>
+<a name="l00037"></a><a class="code" href="classNL3D_1_1CTileLumel.html#a1">00037</a> <font class="keywordtype">void</font> CTileLumel::createUncompressed (uint8 interpolated, uint8 shaded)
+00038 {
+00039 <font class="comment">// Shading </font>
+00040 <a class="code" href="classNL3D_1_1CTileLumel.html#m0">Shaded</a>=shaded;
+00041
+00042 <font class="comment">// Same color ?</font>
+00043 <font class="keywordflow">if</font> (interpolated!=shaded)
+00044 {
+00045 <font class="comment">// Compute compressed value</font>
+00046 sint temp=((shaded&lt;&lt;3)/(sint)(interpolated?interpolated:1));
+00047 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (temp, 0, 15);
+00048
+00049 <font class="comment">// After decompression</font>
+00050 uint decompressed=(((uint)interpolated*((uint)temp))&gt;&gt;3)+4;
+00051 <font class="keywordflow">if</font> (decompressed&gt;255)
+00052 decompressed=255;
+00053
+00054 <font class="comment">// Need to compress ?</font>
+00055 <font class="keywordflow">if</font> (abs((sint)shaded-(sint)decompressed)&gt;=abs((sint)shaded-(sint)interpolated))
+00056 {
+00057 <font class="comment">// Shadow not present</font>
+00058 <a class="code" href="classNL3D_1_1CTileLumel.html#o0">_ShadowValue</a>=0xff;
+00059 }
+00060 <font class="keywordflow">else</font>
+00061 {
+00062 <font class="comment">// Shadow</font>
+00063 <a class="code" href="classNL3D_1_1CTileLumel.html#o0">_ShadowValue</a>=temp;
+00064 }
+00065 }
+00066 <font class="keywordflow">else</font>
+00067 {
+00068 <font class="comment">// Shadow not present</font>
+00069 <a class="code" href="classNL3D_1_1CTileLumel.html#o0">_ShadowValue</a>=0xff;
+00070 }
+00071 }
+00072
+00073 <font class="comment">// ***************************************************************************</font>
+<a name="l00074"></a><a class="code" href="classNL3D_1_1CTileLumel.html#a3">00074</a> <font class="keywordtype">void</font> CTileLumel::pack (CStreamBit&amp; stream)<font class="keyword"> const</font>
+00075 <font class="keyword"></font>{
+00076 <font class="comment">// There is shadow here ?</font>
+00077 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CTileLumel.html#a4">isShadowed</a> ())
+00078 {
+00079 <font class="comment">// Put a true</font>
+00080 stream.pushBackBool(<font class="keyword">true</font>);
+00081
+00082 <font class="comment">// Read the shadow value</font>
+00083 stream.pushBack4bits(<a class="code" href="classNL3D_1_1CTileLumel.html#o0">_ShadowValue</a>);
+00084 }
+00085 <font class="keywordflow">else</font>
+00086 <font class="comment">// Put a false</font>
+00087 stream.pushBackBool(<font class="keyword">false</font>);
+00088 }
+00089
+00090
+00091 } <font class="comment">// NL3D</font>
+00092
+00093
+00094 <font class="comment">/* End of tile_lumel.h */</font>
+</pre></div>
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