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+<div class="title">Polygon.cpp</div> </div>
+</div><!--header-->
+<div class="contents">
+<a href="_polygon_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/* Project nGenEx</span></div>
+<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> Destroyer Studios LLC</span></div>
+<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> Copyright © 1997-2004. All Rights Reserved.</span></div>
+<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"></span></div>
+<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> SUBSYSTEM: nGenEx.lib</span></div>
+<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> FILE: Polygon.cpp</span></div>
+<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> AUTHOR: John DiCamillo</span></div>
+<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"></span></div>
+<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span></div>
+<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> OVERVIEW</span></div>
+<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> ========</span></div>
+<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> Polygon and VertexSet structures for 3D rendering</span></div>
+<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">*/</span></div>
+<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
+<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_mem_debug_8h.html">MemDebug.h</a>&quot;</span></div>
+<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_polygon_8h.html">Polygon.h</a>&quot;</span></div>
+<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_bitmap_8h.html">Bitmap.h</a>&quot;</span></div>
+<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div>
+<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div>
+<div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="struct_vertex_set.html#adf5177428a5141cff437142b6826791d"> 21</a></span>&#160;<a class="code" href="struct_vertex_set.html#adf5177428a5141cff437142b6826791d">VertexSet::VertexSet</a>(<span class="keywordtype">int</span> m)</div>
+<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;: nverts(0), space(OBJECT_SPACE), </div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;tu1(0), tv1(0), tangent(0), binormal(0)</div>
+<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;{</div>
+<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <a class="code" href="struct_vertex_set.html#a48c8f140d1ac968858894aec1d7d98eb">Resize</a>(m);</div>
+<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;}</div>
+<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
+<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div>
+<div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="struct_vertex_set.html#a0af0ebaf2ba75c5f3fd5f3c5b3e21d98"> 30</a></span>&#160;<a class="code" href="struct_vertex_set.html#a0af0ebaf2ba75c5f3fd5f3c5b3e21d98">VertexSet::~VertexSet</a>()</div>
+<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;{</div>
+<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <a class="code" href="struct_vertex_set.html#aa822ada7a645fd4a02d0d4e6f73c722f">Delete</a>();</div>
+<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;}</div>
+<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div>
+<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div>
+<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="keywordtype">void</span></div>
+<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="struct_vertex_set.html#a48c8f140d1ac968858894aec1d7d98eb"> 38</a></span>&#160;<a class="code" href="struct_vertex_set.html#a48c8f140d1ac968858894aec1d7d98eb">VertexSet::Resize</a>(<span class="keywordtype">int</span> m, <span class="keywordtype">bool</span> preserve)</div>
+<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;{</div>
+<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="comment">// easy cases (no data will be preserved):</span></div>
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+<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordtype">bool</span> additional_tex_coords = (<a class="code" href="struct_vertex_set.html#a596bbe94e0ab7b862ef0cc3f199df8ec">tu1</a> != 0);</div>
+<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
+<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <a class="code" href="struct_vertex_set.html#aa822ada7a645fd4a02d0d4e6f73c722f">Delete</a>();</div>
+<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div>
+<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <a class="code" href="struct_vertex_set.html#a4942a5af779580847cfe7036b4ba5c3f">nverts</a> = m;</div>
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+<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; ZeroMemory(<span class="keyword">this</span>, <span class="keyword">sizeof</span>(<a class="code" href="struct_vertex_set.html">VertexSet</a>));</div>
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+<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a> = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="struct_vec3.html">Vec3</a>[<a class="code" href="struct_vertex_set.html#a4942a5af779580847cfe7036b4ba5c3f">nverts</a>];</div>
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+<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <a class="code" href="struct_vertex_set.html#a2bf3f3497ac0ec9369021a36bd6f50a8">specular</a> = <span class="keyword">new</span>(__FILE__,__LINE__) DWORD[<a class="code" href="struct_vertex_set.html#a4942a5af779580847cfe7036b4ba5c3f">nverts</a>];</div>
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+<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div>
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+<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keyword">delete</span> [] <a class="code" href="struct_vertex_set.html#adba10fd9cb37e93c50aa52edab55e757">rw</a>;</div>
+<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keyword">delete</span> [] <a class="code" href="struct_vertex_set.html#af62b2db3dc8405d7061691a67339604d">tu</a>;</div>
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+<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">delete</span> [] <a class="code" href="struct_vertex_set.html#aba2d775c75be70d0d821281d2f02d788">diffuse</a>;</div>
+<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keyword">delete</span> [] <a class="code" href="struct_vertex_set.html#a2bf3f3497ac0ec9369021a36bd6f50a8">specular</a>;</div>
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+<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; ZeroMemory(<span class="keyword">this</span>, <span class="keyword">sizeof</span>(<a class="code" href="struct_vertex_set.html">VertexSet</a>));</div>
+<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div>
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+<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160;</div>
+<div class="line"><a name="l00386"></a><span class="lineno"><a class="code" href="struct_poly.html#a59d6612e72067b94da2d772b74b3eee9"> 386</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="struct_poly.html#a59d6612e72067b94da2d772b74b3eee9">Poly::Contains</a>(<span class="keyword">const</span> <a class="code" href="struct_vec3.html">Vec3</a>&amp; pt)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; <span class="comment">// find largest 2d projection of this 3d Poly:</span></div>
+<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; <span class="keywordtype">int</span> projaxis;</div>
+<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160;</div>
+<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; <span class="keywordtype">double</span> pnx = fabs(<a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a>.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>);</div>
+<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="keywordtype">double</span> pny = fabs(<a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a>.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>);</div>
+<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; <span class="keywordtype">double</span> pnz = fabs(<a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a>.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>);</div>
+<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160;</div>
+<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; <span class="keywordflow">if</span> (pnx &gt; pny)</div>
+<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; <span class="keywordflow">if</span> (pnx &gt; pnz)</div>
+<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a>.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a> &gt; 0)</div>
+<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; projaxis = 1;</div>
+<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="keywordflow">else</span></div>
+<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; projaxis = -1;</div>
+<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; <span class="keywordflow">else</span></div>
+<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a>.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a> &gt; 0)</div>
+<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; projaxis = 3;</div>
+<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; <span class="keywordflow">else</span></div>
+<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; projaxis = -3;</div>
+<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; <span class="keywordflow">else</span></div>
+<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; <span class="keywordflow">if</span> (pny &gt; pnz)</div>
+<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a>.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> &gt; 0)</div>
+<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; projaxis = 2;</div>
+<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; <span class="keywordflow">else</span></div>
+<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; projaxis = -2;</div>
+<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160; <span class="keywordflow">else</span></div>
+<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a>.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a> &gt; 0)</div>
+<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; projaxis = 3;</div>
+<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; <span class="keywordflow">else</span></div>
+<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; projaxis = -3;</div>
+<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160;</div>
+<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; <span class="keywordtype">int</span> i;</div>
+<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160;</div>
+<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="struct_poly.html#a7c282f5bb936e91855269f710bcbcff7">nverts</a>; i++) {</div>
+<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; <a class="code" href="struct_vec3.html">Vec3</a> loc = <a class="code" href="struct_poly.html#a17e3c99c231b235ee402eb5ea6982d1b">vertex_set</a>-&gt;<a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[<a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[i]];</div>
+<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; <span class="keywordflow">switch</span> (projaxis) {</div>
+<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; <span class="keywordflow">case</span> 1: projverts[i] = <a class="code" href="struct_vec2.html">Vec2</a>(loc.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>, loc.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>); <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; <span class="keywordflow">case</span> -1: projverts[i] = <a class="code" href="struct_vec2.html">Vec2</a>(loc.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>, loc.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>); <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; <span class="keywordflow">case</span> 2: projverts[i] = <a class="code" href="struct_vec2.html">Vec2</a>(loc.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>, loc.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>); <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; <span class="keywordflow">case</span> -2: projverts[i] = <a class="code" href="struct_vec2.html">Vec2</a>(loc.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>, loc.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>); <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="keywordflow">case</span> 3: projverts[i] = <a class="code" href="struct_vec2.html">Vec2</a>(loc.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>, loc.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>); <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; <span class="keywordflow">case</span> -3: projverts[i] = <a class="code" href="struct_vec2.html">Vec2</a>(loc.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>, loc.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>); <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; }</div>
+<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; }</div>
+<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160;</div>
+<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; <span class="comment">// now project the test point into the same plane:</span></div>
+<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; <a class="code" href="struct_vec2.html">Vec2</a> test;</div>
+<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; <span class="keywordflow">switch</span> (projaxis) {</div>
+<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; <span class="keywordflow">case</span> 1: test.<a class="code" href="struct_vec2.html#adf8ee322d4b4bcc04146762c018d731f">x</a> = pt.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>; test.<a class="code" href="struct_vec2.html#a30543787e62f6d915543cf1dfb04c094">y</a> = pt.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>; <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; <span class="keywordflow">case</span> -1: test.<a class="code" href="struct_vec2.html#adf8ee322d4b4bcc04146762c018d731f">x</a> = pt.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>; test.<a class="code" href="struct_vec2.html#a30543787e62f6d915543cf1dfb04c094">y</a> = pt.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>; <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160; <span class="keywordflow">case</span> 2: test.<a class="code" href="struct_vec2.html#adf8ee322d4b4bcc04146762c018d731f">x</a> = pt.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>; test.<a class="code" href="struct_vec2.html#a30543787e62f6d915543cf1dfb04c094">y</a> = pt.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>; <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160; <span class="keywordflow">case</span> -2: test.<a class="code" href="struct_vec2.html#adf8ee322d4b4bcc04146762c018d731f">x</a> = pt.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>; test.<a class="code" href="struct_vec2.html#a30543787e62f6d915543cf1dfb04c094">y</a> = pt.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a>; <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160; <span class="keywordflow">case</span> 3: test.<a class="code" href="struct_vec2.html#adf8ee322d4b4bcc04146762c018d731f">x</a> = pt.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>; test.<a class="code" href="struct_vec2.html#a30543787e62f6d915543cf1dfb04c094">y</a> = pt.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>; <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160; <span class="keywordflow">case</span> -3: test.<a class="code" href="struct_vec2.html#adf8ee322d4b4bcc04146762c018d731f">x</a> = pt.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>; test.<a class="code" href="struct_vec2.html#a30543787e62f6d915543cf1dfb04c094">y</a> = pt.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a>; <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160; }</div>
+<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160;</div>
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+<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160;</div>
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+<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>&#160; <span class="comment">// it is outside the entire convex Poly.</span></div>
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+<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[i] != <a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[i+1]) {</div>
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+<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160; <a class="code" href="struct_vec2.html">Vec2</a> tdelta = projverts[i] - test;</div>
+<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; <span class="keywordtype">float</span> inside = segnorm * tdelta;</div>
+<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160; <span class="keywordflow">if</span> (inside &lt; INSIDE_EPSILON)</div>
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+<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160; }</div>
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+<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160; <span class="comment">// check last segment, too:</span></div>
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+<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160; <span class="keywordflow">if</span> (inside &lt; INSIDE_EPSILON)</div>
+<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>&#160; <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>&#160; }</div>
+<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>&#160;</div>
+<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>&#160; <span class="comment">// still here? must be inside:</span></div>
+<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>&#160; <span class="keywordflow">return</span> 1;</div>
+<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>&#160;}</div>
+<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>&#160;</div>
+<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
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+<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>&#160;tex_alternate(0), tex_detail(0), thumbnail(0)</div>
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+<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>&#160; ZeroMemory(<a class="code" href="struct_material.html#aec6903f5ffa2346a7fcf5c51ed870d68">shader</a>, <span class="keyword">sizeof</span>(<a class="code" href="struct_material.html#aec6903f5ffa2346a7fcf5c51ed870d68">shader</a>));</div>
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+<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>&#160; <a class="code" href="struct_material.html#a38c5aaa9fa49e490963ed174c5a528a6">ambient_value</a> = 0.2f;</div>
+<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>&#160; <a class="code" href="struct_material.html#a1d317e0043a5f3b63af5f7d15b107024">diffuse_value</a> = 1.0f;</div>
+<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>&#160; <a class="code" href="struct_material.html#a0454007b787a706776be8d0e4441f202">specular_value</a> = 0.0f;</div>
+<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>&#160; <a class="code" href="struct_material.html#a6d8d6fed7762c9cfc002f7de00e3345b">emissive_value</a> = 0.0f;</div>
+<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>&#160;}</div>
+<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>&#160;</div>
+<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>&#160;</div>
+<div class="line"><a name="l00491"></a><span class="lineno"><a class="code" href="struct_material.html#a2c19452d71f54075df8f5405b03129f4"> 491</a></span>&#160;<a class="code" href="struct_material.html#a2c19452d71f54075df8f5405b03129f4">Material::~Material</a>()</div>
+<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>&#160;{</div>
+<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>&#160; <span class="comment">// these objects are owned by the shared</span></div>
+<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>&#160; <span class="comment">// bitmap cache, so don&#39;t delete them now:</span></div>
+<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>&#160; <a class="code" href="struct_material.html#a1d848bfac5c7f17f91557fd23c44b101">tex_diffuse</a> = 0;</div>
+<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>&#160; <a class="code" href="struct_material.html#a97ced80ac2d8c1f0ef775477990af075">tex_specular</a> = 0;</div>
+<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>&#160; <a class="code" href="struct_material.html#a47ed067eab2b560e370504d81852b935">tex_bumpmap</a> = 0;</div>
+<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>&#160; <a class="code" href="struct_material.html#a9fa2bcd7f6ed2b43050629b55b87f030">tex_emissive</a> = 0;</div>
+<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>&#160; <a class="code" href="struct_material.html#a626e419ce051501f1e42053556e7da0f">tex_alternate</a> = 0;</div>
+<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>&#160; <a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a> = 0;</div>
+<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>&#160;</div>
+<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>&#160; <span class="comment">// the thumbnail is unique to the material,</span></div>
+<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>&#160; <span class="comment">// so it is never cached:</span></div>
+<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#afef9c383645db3df7ab524bba19ec45f">thumbnail</a>)</div>
+<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>&#160; <span class="keyword">delete</span> <a class="code" href="struct_material.html#afef9c383645db3df7ab524bba19ec45f">thumbnail</a>;</div>
+<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>&#160;}</div>
+<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>&#160;</div>
+<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>&#160;</div>
+<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>&#160;<span class="keywordtype">int</span></div>
+<div class="line"><a name="l00511"></a><span class="lineno"><a class="code" href="struct_material.html#a64899b6820f52ecc9eac8fda9316813c"> 511</a></span>&#160;<a class="code" href="struct_material.html#a64899b6820f52ecc9eac8fda9316813c">Material::operator == </a>(<span class="keyword">const</span> <a class="code" href="struct_material.html">Material</a>&amp; m)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">this</span> == &amp;m) <span class="keywordflow">return</span> 1;</div>
+<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>&#160;</div>
+<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a7ccfd56c0310ca12545afb515e81b85f">Ka</a> != m.<a class="code" href="struct_material.html#a7ccfd56c0310ca12545afb515e81b85f">Ka</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a05b646c99f9ab5df7092109916b506a6">Kd</a> != m.<a class="code" href="struct_material.html#a05b646c99f9ab5df7092109916b506a6">Kd</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a03326968d7c667605aa2f70f8a551444">Ks</a> != m.<a class="code" href="struct_material.html#a03326968d7c667605aa2f70f8a551444">Ks</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#ae0c2078b3d06c40fb9f875328e48458b">Ke</a> != m.<a class="code" href="struct_material.html#ae0c2078b3d06c40fb9f875328e48458b">Ke</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a40f9d86ecf678d45c4334f5d57a6cba7">power</a> != m.<a class="code" href="struct_material.html#a40f9d86ecf678d45c4334f5d57a6cba7">power</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a6d9386e552d54e3af046e6ac82344b08">brilliance</a> != m.<a class="code" href="struct_material.html#a6d9386e552d54e3af046e6ac82344b08">brilliance</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a9a2a6dbf9813485b5ff99b4ae823ccb3">bump</a> != m.<a class="code" href="struct_material.html#a9a2a6dbf9813485b5ff99b4ae823ccb3">bump</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a53984e10e1834eceb1b74d18a0f01021">blend</a> != m.<a class="code" href="struct_material.html#a53984e10e1834eceb1b74d18a0f01021">blend</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a0e8b3aa08dcf57340fea05bbdf05ea4a">shadow</a> != m.<a class="code" href="struct_material.html#a0e8b3aa08dcf57340fea05bbdf05ea4a">shadow</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a1d848bfac5c7f17f91557fd23c44b101">tex_diffuse</a> != m.<a class="code" href="struct_material.html#a1d848bfac5c7f17f91557fd23c44b101">tex_diffuse</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a97ced80ac2d8c1f0ef775477990af075">tex_specular</a> != m.<a class="code" href="struct_material.html#a97ced80ac2d8c1f0ef775477990af075">tex_specular</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a47ed067eab2b560e370504d81852b935">tex_bumpmap</a> != m.<a class="code" href="struct_material.html#a47ed067eab2b560e370504d81852b935">tex_bumpmap</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a9fa2bcd7f6ed2b43050629b55b87f030">tex_emissive</a> != m.<a class="code" href="struct_material.html#a9fa2bcd7f6ed2b43050629b55b87f030">tex_emissive</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a626e419ce051501f1e42053556e7da0f">tex_alternate</a> != m.<a class="code" href="struct_material.html#a626e419ce051501f1e42053556e7da0f">tex_alternate</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a> != m.<a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a>) <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>&#160;</div>
+<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>&#160; <span class="keywordflow">return</span> !strcmp(<a class="code" href="struct_material.html#ae4469bbe1045ff827b5172edb07ec787">name</a>, m.<a class="code" href="struct_material.html#ae4469bbe1045ff827b5172edb07ec787">name</a>);</div>
+<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>&#160;}</div>
+<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>&#160;</div>
+<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>&#160;</div>
+<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>&#160;<span class="keywordtype">void</span></div>
+<div class="line"><a name="l00537"></a><span class="lineno"><a class="code" href="struct_material.html#aaba0d4cf45db1101fa31360fe7a4bdb5"> 537</a></span>&#160;<a class="code" href="struct_material.html#aaba0d4cf45db1101fa31360fe7a4bdb5">Material::Clear</a>()</div>
+<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>&#160;{</div>
+<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>&#160; <a class="code" href="struct_material.html#a7ccfd56c0310ca12545afb515e81b85f">Ka</a> = <a class="code" href="class_color_value.html">ColorValue</a>();</div>
+<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>&#160; <a class="code" href="struct_material.html#a05b646c99f9ab5df7092109916b506a6">Kd</a> = <a class="code" href="class_color_value.html">ColorValue</a>();</div>
+<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>&#160; <a class="code" href="struct_material.html#a03326968d7c667605aa2f70f8a551444">Ks</a> = <a class="code" href="class_color_value.html">ColorValue</a>();</div>
+<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>&#160; <a class="code" href="struct_material.html#ae0c2078b3d06c40fb9f875328e48458b">Ke</a> = <a class="code" href="class_color_value.html">ColorValue</a>();</div>
+<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>&#160;</div>
+<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>&#160; <a class="code" href="struct_material.html#a40f9d86ecf678d45c4334f5d57a6cba7">power</a> = 1.0f;</div>
+<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>&#160; <a class="code" href="struct_material.html#a9a2a6dbf9813485b5ff99b4ae823ccb3">bump</a> = 0.0f;</div>
+<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>&#160; <a class="code" href="struct_material.html#a53984e10e1834eceb1b74d18a0f01021">blend</a> = <a class="code" href="struct_material.html#a03682b58e2fa63d7dde835c731ad15d5aba76a5434b835451b8dd25d629c2607c">MTL_SOLID</a>;</div>
+<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>&#160; <a class="code" href="struct_material.html#a0e8b3aa08dcf57340fea05bbdf05ea4a">shadow</a> = <span class="keyword">true</span>;</div>
+<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>&#160;</div>
+<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>&#160; <a class="code" href="struct_material.html#a1d848bfac5c7f17f91557fd23c44b101">tex_diffuse</a> = 0;</div>
+<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>&#160; <a class="code" href="struct_material.html#a97ced80ac2d8c1f0ef775477990af075">tex_specular</a> = 0;</div>
+<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>&#160; <a class="code" href="struct_material.html#a47ed067eab2b560e370504d81852b935">tex_bumpmap</a> = 0;</div>
+<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>&#160; <a class="code" href="struct_material.html#a9fa2bcd7f6ed2b43050629b55b87f030">tex_emissive</a> = 0;</div>
+<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>&#160; <a class="code" href="struct_material.html#a626e419ce051501f1e42053556e7da0f">tex_alternate</a> = 0;</div>
+<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>&#160; <a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a> = 0;</div>
+<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>&#160;}</div>
+<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>&#160;</div>
+<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>&#160;</div>
+<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>&#160;<span class="keyword">static</span> <span class="keywordtype">char</span> shader_name[<a class="code" href="struct_material.html#a520bcbf3d8b173b0cbbe84e8c22dac1fa89e33f1a5c91b45382a002b9a3ae1570">Material::NAMELEN</a>];</div>
+<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>&#160;</div>
+<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span>*</div>
+<div class="line"><a name="l00562"></a><span class="lineno"><a class="code" href="struct_material.html#a9dd52a511289bfc29737084df23d2b2d"> 562</a></span>&#160;<a class="code" href="struct_material.html#a9dd52a511289bfc29737084df23d2b2d">Material::GetShader</a>(<span class="keywordtype">int</span> pass)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>&#160; <span class="keywordtype">int</span> level = 0;</div>
+<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>&#160; <span class="keywordflow">if</span> (pass &gt; 1) pass--;</div>
+<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>&#160;</div>
+<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="struct_material.html#a520bcbf3d8b173b0cbbe84e8c22dac1fa89e33f1a5c91b45382a002b9a3ae1570">NAMELEN</a>; i++) {</div>
+<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#aec6903f5ffa2346a7fcf5c51ed870d68">shader</a>[i] == <span class="charliteral">&#39;/&#39;</span>) {</div>
+<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>&#160; level++;</div>
+<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>&#160;</div>
+<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>&#160; <span class="keywordflow">if</span> (level &gt; pass)</div>
+<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>&#160; <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>&#160; }</div>
+<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>&#160;</div>
+<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#aec6903f5ffa2346a7fcf5c51ed870d68">shader</a>[i] != 0) {</div>
+<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>&#160; <span class="keywordflow">if</span> (level == pass) {</div>
+<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>&#160; ZeroMemory(shader_name, NAMELEN);</div>
+<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>&#160;</div>
+<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>&#160; <span class="keywordtype">char</span>* s = shader_name;</div>
+<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>&#160; <span class="keywordflow">while</span> (i &lt; NAMELEN &amp;&amp; <a class="code" href="struct_material.html#aec6903f5ffa2346a7fcf5c51ed870d68">shader</a>[i] != 0 &amp;&amp; <a class="code" href="struct_material.html#aec6903f5ffa2346a7fcf5c51ed870d68">shader</a>[i] != <span class="charliteral">&#39;/&#39;</span>) {</div>
+<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>&#160; *s++ = <a class="code" href="struct_material.html#aec6903f5ffa2346a7fcf5c51ed870d68">shader</a>[i++];</div>
+<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>&#160; }</div>
+<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>&#160; </div>
+<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>&#160; <span class="keywordflow">return</span> shader_name;</div>
+<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>&#160; }</div>
+<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>&#160; }</div>
+<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>&#160;</div>
+<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>&#160; <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>&#160; <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>&#160; }</div>
+<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>&#160; }</div>
+<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>&#160;</div>
+<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>&#160; <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>&#160;}</div>
+<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>&#160;</div>
+<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>&#160;<span class="comment">// +--------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>&#160;</div>
+<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>&#160;<span class="keywordtype">void</span></div>
+<div class="line"><a name="l00599"></a><span class="lineno"><a class="code" href="struct_material.html#aff217998115a778a558e816da9107173"> 599</a></span>&#160;<a class="code" href="struct_material.html#aff217998115a778a558e816da9107173">Material::CreateThumbnail</a>(<span class="keywordtype">int</span> size)</div>
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+<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="struct_material.html#afef9c383645db3df7ab524bba19ec45f">thumbnail</a>) {</div>
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+<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>&#160; size = <a class="code" href="struct_material.html#afef9c383645db3df7ab524bba19ec45f">thumbnail</a>-&gt;<a class="code" href="class_bitmap.html#af98be2706939528725684068c28d2969">Width</a>();</div>
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+<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>&#160; }</div>
+<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>&#160; }</div>
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+<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>&#160; <a class="code" href="struct_material.html#afef9c383645db3df7ab524bba19ec45f">thumbnail</a>-&gt;<a class="code" href="class_bitmap.html#a551d9ddbe77bcb90ea44de32480f76b4">CopyHighColorImage</a>(size, size, image, <a class="code" href="class_bitmap.html#a4dbb72be7b89e14d176ce2f2c46553d3a13c50716ac0a07be3635a2b42dcd187e">Bitmap::BMP_SOLID</a>);</div>
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+<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>&#160;</div>
+<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>&#160;DWORD</div>
+<div class="line"><a name="l00623"></a><span class="lineno"><a class="code" href="struct_material.html#a73ffea2fc38dda32225057a5e08f70e5"> 623</a></span>&#160;<a class="code" href="struct_material.html#a73ffea2fc38dda32225057a5e08f70e5">Material::GetThumbColor</a>(<span class="keywordtype">int</span> i, <span class="keywordtype">int</span> j, <span class="keywordtype">int</span> size)</div>
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+<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>&#160; <span class="keywordtype">double</span> y = j - size/2;</div>
+<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>&#160; <span class="keywordtype">double</span> r = 0.9 * size/2;</div>
+<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>&#160; <span class="keywordtype">double</span> d = sqrt(x*x + y*y);</div>
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+<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>&#160; <a class="code" href="struct_point.html">Point</a> loc(x,y,z);</div>
+<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>&#160; <a class="code" href="struct_point.html">Point</a> nrm = loc; nrm.<a class="code" href="struct_point.html#a6efd403e2a6c0aa686e278d244d5e525">Normalize</a>();</div>
+<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>&#160; <a class="code" href="struct_point.html">Point</a> light(1,-1,1); light.<a class="code" href="struct_point.html#a6efd403e2a6c0aa686e278d244d5e525">Normalize</a>();</div>
+<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>&#160; <a class="code" href="struct_point.html">Point</a> eye(0,0,1);</div>
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+<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>&#160; <a class="code" href="class_color_value.html">ColorValue</a> c = <a class="code" href="struct_material.html#a7ccfd56c0310ca12545afb515e81b85f">Ka</a> * <a class="code" href="class_color_value.html">ColorValue</a>(0.25f, 0.25f, 0.25f); <span class="comment">// ambient light</span></div>
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+<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>&#160; }</div>
+<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>&#160;</div>
+<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a97ced80ac2d8c1f0ef775477990af075">tex_specular</a>) {</div>
+<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>&#160; <span class="keywordtype">int</span> tu = (int) (u * <a class="code" href="struct_material.html#a97ced80ac2d8c1f0ef775477990af075">tex_specular</a>-&gt;<a class="code" href="class_bitmap.html#af98be2706939528725684068c28d2969">Width</a>());</div>
+<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>&#160; <span class="keywordtype">int</span> tv = (int) (v * <a class="code" href="struct_material.html#a97ced80ac2d8c1f0ef775477990af075">tex_specular</a>-&gt;<a class="code" href="class_bitmap.html#a2b8f07ee82c95736121aeef55a40cf6a">Height</a>());</div>
+<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>&#160; cs = <a class="code" href="struct_material.html#a03326968d7c667605aa2f70f8a551444">Ks</a> * <a class="code" href="struct_material.html#a97ced80ac2d8c1f0ef775477990af075">tex_specular</a>-&gt;<a class="code" href="class_bitmap.html#a62921f97cbeefa419e74fb0a760c8ffe">GetColor</a>(tu,tv);</div>
+<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>&#160; }</div>
+<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>&#160;</div>
+<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>&#160; <span class="comment">// anisotropic diffuse lighting</span></div>
+<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a6d9386e552d54e3af046e6ac82344b08">brilliance</a> &gt;= 0) {</div>
+<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>&#160; diffuse = pow(diffuse, (<span class="keywordtype">double</span>)<a class="code" href="struct_material.html#a6d9386e552d54e3af046e6ac82344b08">brilliance</a>);</div>
+<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>&#160; }</div>
+<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>&#160;</div>
+<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>&#160; <span class="comment">// forward lighting</span></div>
+<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>&#160; <span class="keywordflow">if</span> (diffuse &gt; 0) {</div>
+<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>&#160; <span class="comment">// diffuse</span></div>
+<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>&#160; c += cd * (white * diffuse);</div>
+<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>&#160;</div>
+<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>&#160; <span class="comment">// specular</span></div>
+<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a40f9d86ecf678d45c4334f5d57a6cba7">power</a> &gt; 0) {</div>
+<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>&#160; <span class="keywordtype">double</span> spec = ((nrm * 2*(nrm*light) - light) * eye);</div>
+<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>&#160; <span class="keywordflow">if</span> (spec &gt; 0.01) {</div>
+<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>&#160; spec = pow(spec, (<span class="keywordtype">double</span>)<a class="code" href="struct_material.html#a40f9d86ecf678d45c4334f5d57a6cba7">power</a>);</div>
+<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>&#160; c += cs * (white * spec);</div>
+<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>&#160; }</div>
+<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>&#160; }</div>
+<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>&#160; }</div>
+<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>&#160;</div>
+<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>&#160; <span class="comment">// back lighting</span></div>
+<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>&#160; <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>&#160; diffuse *= -0.5;</div>
+<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>&#160; c += cd * (white * diffuse);</div>
+<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>&#160;</div>
+<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>&#160; <span class="comment">// specular</span></div>
+<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="struct_material.html#a40f9d86ecf678d45c4334f5d57a6cba7">power</a> &gt; 0) {</div>
+<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>&#160; light *= -1;</div>
+<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>&#160;</div>
+<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>&#160; <span class="keywordtype">double</span> spec = ((nrm * 2*(nrm*light) - light) * eye);</div>
+<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>&#160; <span class="keywordflow">if</span> (spec &gt; 0.01) {</div>
+<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>&#160; spec = pow(spec, (<span class="keywordtype">double</span>)<a class="code" href="struct_material.html#a40f9d86ecf678d45c4334f5d57a6cba7">power</a>);</div>
+<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>&#160; c += cs * (white * spec) * 0.7;</div>
+<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>&#160; }</div>
+<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>&#160; }</div>
+<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>&#160; }</div>
+<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>&#160;</div>
+<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>&#160; c += ce;</div>
+<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>&#160;</div>
+<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>&#160; result = c.<a class="code" href="class_color_value.html#a35909b0fdbe0cbe75522b85e794e884e">ToColor</a>();</div>
+<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>&#160; }</div>
+<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>&#160;</div>
+<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>&#160; <span class="keywordflow">return</span> result.<a class="code" href="class_color.html#a601f1ea0ac8b6f3d420021e6086b8a6a">Value</a>();</div>
+<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>&#160;}</div>
+</div><!-- fragment --></div><!-- contents -->
+</div><!-- doc-content -->
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+ <ul>
+ <li class="navelem"><a class="el" href="dir_d6625d0f3efd9eb70ff961583505095b.html">nGenEx</a></li><li class="navelem"><a class="el" href="_polygon_8cpp.html">Polygon.cpp</a></li>
+ <li class="footer">Generated on Thu May 31 2012 16:30:57 for Starshatter_Open by
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+ <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.1 </li>
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