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| author | FWoltermann@gmail.com <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2012-05-31 14:46:27 +0000 |
|---|---|---|
| committer | FWoltermann@gmail.com <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2012-05-31 14:46:27 +0000 |
| commit | 8898ad9b25fca6afe2374d293a981db02a83d7e9 (patch) | |
| tree | 8041e6eb069b6da70b83e82efdb998662140e716 /Doc/doxygen/html/_shadow_8cpp_source.html | |
| parent | 985b945e4b49b5d5a1394e93fc3a95289c05e449 (diff) | |
| download | starshatter-8898ad9b25fca6afe2374d293a981db02a83d7e9.zip starshatter-8898ad9b25fca6afe2374d293a981db02a83d7e9.tar.gz starshatter-8898ad9b25fca6afe2374d293a981db02a83d7e9.tar.bz2 | |
Committing the documentation to svn to have it accessible online
Diffstat (limited to 'Doc/doxygen/html/_shadow_8cpp_source.html')
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1 files changed, 293 insertions, 0 deletions
diff --git a/Doc/doxygen/html/_shadow_8cpp_source.html b/Doc/doxygen/html/_shadow_8cpp_source.html new file mode 100644 index 0000000..02120ef --- /dev/null +++ b/Doc/doxygen/html/_shadow_8cpp_source.html @@ -0,0 +1,293 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> +<meta http-equiv="X-UA-Compatible" content="IE=9"/> +<title>Starshatter_Open: D:/SRC/StarshatterSVN/nGenEx/Shadow.cpp Source File</title> +<link href="tabs.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="jquery.js"></script> +<script type="text/javascript" src="dynsections.js"></script> +<link href="navtree.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="resize.js"></script> +<script type="text/javascript" src="navtree.js"></script> +<script type="text/javascript"> + $(document).ready(initResizable); +</script> +<link href="search/search.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="search/search.js"></script> +<script type="text/javascript"> + $(document).ready(function() { searchBox.OnSelectItem(0); }); +</script> +<link href="doxygen.css" rel="stylesheet" type="text/css" /> +</head> +<body> +<div id="top"><!-- do not remove this div, it is closed by doxygen! --> +<div id="titlearea"> +<table cellspacing="0" cellpadding="0"> + <tbody> + <tr style="height: 56px;"> + <td style="padding-left: 0.5em;"> + <div id="projectname">Starshatter_Open + </div> + <div id="projectbrief">Open source Starshatter engine</div> + </td> + </tr> + </tbody> +</table> +</div> +<!-- end header part --> +<!-- Generated by Doxygen 1.8.1 --> +<script type="text/javascript"> +var searchBox = new SearchBox("searchBox", "search",false,'Search'); +</script> + <div id="navrow1" class="tabs"> + <ul class="tablist"> + <li><a href="index.html"><span>Main Page</span></a></li> + <li><a href="annotated.html"><span>Classes</span></a></li> + <li class="current"><a href="files.html"><span>Files</span></a></li> + <li> + <div id="MSearchBox" class="MSearchBoxInactive"> + <span class="left"> + <img id="MSearchSelect" src="search/mag_sel.png" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + alt=""/> + <input type="text" id="MSearchField" value="Search" accesskey="S" + onfocus="searchBox.OnSearchFieldFocus(true)" + onblur="searchBox.OnSearchFieldFocus(false)" + onkeyup="searchBox.OnSearchFieldChange(event)"/> + </span><span class="right"> + <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> + </span> + </div> + </li> + </ul> + </div> + <div id="navrow2" class="tabs2"> + <ul class="tablist"> + <li><a href="files.html"><span>File List</span></a></li> + <li><a href="globals.html"><span>File Members</span></a></li> + </ul> + </div> +</div><!-- top --> +<div id="side-nav" class="ui-resizable side-nav-resizable"> + <div id="nav-tree"> + <div id="nav-tree-contents"> + </div> + </div> + <div id="splitbar" style="-moz-user-select:none;" + class="ui-resizable-handle"> + </div> +</div> +<script type="text/javascript"> +$(document).ready(function(){initNavTree('_shadow_8cpp.html','');}); +</script> +<div id="doc-content"> +<!-- window showing the filter options --> +<div id="MSearchSelectWindow" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + onkeydown="return searchBox.OnSearchSelectKey(event)"> +<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Macros</a></div> + +<!-- iframe showing the search results (closed by default) --> +<div id="MSearchResultsWindow"> +<iframe src="javascript:void(0)" frameborder="0" + name="MSearchResults" id="MSearchResults"> +</iframe> +</div> + +<div class="header"> + <div class="headertitle"> +<div class="title">Shadow.cpp</div> </div> +</div><!--header--> +<div class="contents"> +<a href="_shadow_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> <span class="comment">/* Project nGenEx</span></div> +<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Destroyer Studios LLC</span></div> +<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright © 1997-2004. All Rights Reserved.</span></div> +<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span></div> +<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> SUBSYSTEM: nGenEx.lib</span></div> +<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> FILE: Shadow.cpp</span></div> +<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> AUTHOR: John DiCamillo</span></div> +<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"></span></div> +<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div> +<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> OVERVIEW</span></div> +<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> ========</span></div> +<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> Dynamic Stencil Shadow Volumes</span></div> +<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">*/</span></div> +<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> +<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="_mem_debug_8h.html">MemDebug.h</a>"</span></div> +<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="_shadow_8h.html">Shadow.h</a>"</span></div> +<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="_light_8h.html">Light.h</a>"</span></div> +<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="_solid_8h.html">Solid.h</a>"</span></div> +<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="_scene_8h.html">Scene.h</a>"</span></div> +<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="_video_8h.html">Video.h</a>"</span></div> +<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> +<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> visible_shadow_volumes = <span class="keyword">false</span>;</div> +<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> +<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> +<div class="line"><a name="l00026"></a><span class="lineno"><a class="code" href="class_shadow.html#ab9f840c6b2b85de44a312218d512e9fb"> 26</a></span> <a class="code" href="class_shadow.html#ab9f840c6b2b85de44a312218d512e9fb">Shadow::Shadow</a>(<a class="code" href="class_solid.html">Solid</a>* s)</div> +<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> : verts(0), nverts(0), max_verts(0), edges(0), num_edges(0), enabled(true)</div> +<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> {</div> +<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a> = s;</div> +<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> +<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">if</span> (<a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a> && <a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a>-><a class="code" href="class_solid.html#a994ce9964ce1beb66b08265e7f991ac9">GetModel</a>()) {</div> +<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="class_model.html">Model</a>* model = <a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a>-><a class="code" href="class_solid.html#a994ce9964ce1beb66b08265e7f991ac9">GetModel</a>();</div> +<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordtype">int</span> npolys = model-><a class="code" href="class_model.html#af60c1e820d1feef12d095e361e63bc25">NumPolys</a>();</div> +<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> +<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="class_shadow.html#afd3eb45f0805f7b7f32845e05da59716">max_verts</a> = model-><a class="code" href="class_model.html#a2eca281d394bec3ac1556b2a5f8fabaa">NumVerts</a>() * 4;</div> +<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a> = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="struct_vec3.html">Vec3</a>[<a class="code" href="class_shadow.html#afd3eb45f0805f7b7f32845e05da59716">max_verts</a>];</div> +<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a> = <span class="keyword">new</span>(__FILE__,__LINE__) WORD[npolys * 6];</div> +<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div> +<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> }</div> +<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> +<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> +<div class="line"><a name="l00043"></a><span class="lineno"><a class="code" href="class_shadow.html#a6fed128929e13ea3d3de6e64da074b8a"> 43</a></span> <a class="code" href="class_shadow.html#a6fed128929e13ea3d3de6e64da074b8a">Shadow::~Shadow</a>()</div> +<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div> +<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">if</span> (<a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>) <span class="keyword">delete</span> [] <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>;</div> +<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">if</span> (<a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>) <span class="keyword">delete</span> [] <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>;</div> +<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div> +<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> +<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> +<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00052"></a><span class="lineno"><a class="code" href="class_shadow.html#a0179677be8e47b15c57d57893cf93880"> 52</a></span> <a class="code" href="class_shadow.html#a0179677be8e47b15c57d57893cf93880">Shadow::Reset</a>()</div> +<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div> +<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="class_shadow.html#aea6ab0d8cbf78e6b7239f6f37eb8623a">num_edges</a> = 0;</div> +<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a> = 0;</div> +<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> }</div> +<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> +<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> +<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00061"></a><span class="lineno"><a class="code" href="class_shadow.html#a8811cc7b1a4633d28d342a924c5af29f"> 61</a></span> <a class="code" href="class_shadow.html#a8811cc7b1a4633d28d342a924c5af29f">Shadow::Render</a>(<a class="code" href="class_video.html">Video</a>* video)</div> +<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div> +<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">if</span> (<a class="code" href="class_shadow.html#a6705448c7af0d19f567c7008543ac9cd">enabled</a>)</div> +<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  video-><a class="code" href="class_video.html#a89f4ece161cd6619f424ea24dbe44b6d">DrawShadow</a>(<a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a>, <a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>, <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>, visible_shadow_volumes);</div> +<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</div> +<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> +<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> +<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="class_shadow.html#a1b5fa827e5b30ec9a0daf1b783cfb171"> 70</a></span> <a class="code" href="class_shadow.html#a1b5fa827e5b30ec9a0daf1b783cfb171">Shadow::Update</a>(<a class="code" href="class_light.html">Light</a>* light)</div> +<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> {</div> +<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="class_shadow.html#a0179677be8e47b15c57d57893cf93880">Reset</a>();</div> +<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div> +<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (!light || !<a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a> || !<a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a>-><a class="code" href="class_solid.html#a994ce9964ce1beb66b08265e7f991ac9">GetModel</a>() || !<a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>) <span class="keywordflow">return</span>;</div> +<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> +<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="struct_vec3.html">Vec3</a> lpos = light-><a class="code" href="class_light.html#af1bdc26f6d1d7f0b0da9c58a3f6866fe">Location</a>();</div> +<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">bool</span> directional = light-><a class="code" href="class_light.html#a3aea2cdb70f5707a0261d51ec3f7c3c2">Type</a>() == <a class="code" href="class_light.html#a2084ba7665786fe11f98ac9b0137f621a9bf1f515ab954cb3379615aab42f30b6">Light::LIGHT_DIRECTIONAL</a>;</div> +<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="class_model.html">Model</a>* model = <a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a>-><a class="code" href="class_solid.html#a994ce9964ce1beb66b08265e7f991ac9">GetModel</a>();</div> +<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div> +<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="class_list_iter.html">ListIter<Surface></a> iter = model-><a class="code" href="class_model.html#ace987f384a7f542279ba7efecfbd37e3">GetSurfaces</a>();</div> +<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">while</span> (++iter) {</div> +<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="class_surface.html">Surface</a>* s = iter.<a class="code" href="class_list_iter.html#a70cb1260924c01a38c4a68552120a5e0">value</a>();</div> +<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> +<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// transform light location into surface object space</span></div> +<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="struct_matrix.html">Matrix</a> xform(<a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a>-><a class="code" href="class_solid.html#a1d78a55ebf9711da164c72779825806b">Orientation</a>()); <span class="comment">// XXX should be: (s->GetOrientation());</span></div> +<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> +<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="struct_vec3.html">Vec3</a> tmp = light-><a class="code" href="class_light.html#af1bdc26f6d1d7f0b0da9c58a3f6866fe">Location</a>();</div> +<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div> +<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (!directional)</div> +<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  tmp -= (<a class="code" href="class_shadow.html#a6b29e438387c929d42fa1010556d7cd3">solid</a>-><a class="code" href="class_graphic.html#a0b6627c441a7e4e8d5a1ef04bd03880b">Location</a>() + s-><a class="code" href="class_surface.html#a9a6594940b0c2281c8025bc2835757c6">GetOffset</a>());</div> +<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> +<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  lpos.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a> = tmp * <a class="code" href="struct_vec3.html">Vec3</a>(xform(0,0), xform(0,1), xform(0,2));</div> +<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  lpos.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> = tmp * Vec3(xform(1,0), xform(1,1), xform(1,2));</div> +<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  lpos.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a> = tmp * Vec3(xform(2,0), xform(2,1), xform(2,2));</div> +<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> +<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// compute the silohuette for the mesh with respect to the light:</span></div> +<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div> +<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < s-><a class="code" href="class_surface.html#a45cd14771d5cc1937ab85a2e89e5bc08">NumPolys</a>(); i++) {</div> +<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="struct_poly.html">Poly</a>* p = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>() + i;</div> +<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> +<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// skip polys with non-shadowing materials:</span></div> +<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (p-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a> && !p-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a>-><a class="code" href="struct_material.html#a0e8b3aa08dcf57340fea05bbdf05ea4a">shadow</a>)</div> +<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">continue</span>;</div> +<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> +<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// if this poly faces the light:</span></div> +<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (p-><a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a> * lpos > 0) {</div> +<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> n = 0; n < p-><a class="code" href="struct_poly.html#a7c282f5bb936e91855269f710bcbcff7">nverts</a>; n++) {</div> +<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (n < p-><a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>-1)</div> +<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="class_shadow.html#ad0b8fea8c671ac01a2f9c0d69583bbc8">AddEdge</a>(p-><a class="code" href="struct_poly.html#a58e80ea7ba4831cbc6384519fd9b728d">vlocs</a>[n], p-><a class="code" href="struct_poly.html#a58e80ea7ba4831cbc6384519fd9b728d">vlocs</a>[n+1]);</div> +<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">else</span></div> +<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="class_shadow.html#ad0b8fea8c671ac01a2f9c0d69583bbc8">AddEdge</a>(p-><a class="code" href="struct_poly.html#a58e80ea7ba4831cbc6384519fd9b728d">vlocs</a>[n], p-><a class="code" href="struct_poly.html#a58e80ea7ba4831cbc6384519fd9b728d">vlocs</a>[0]);</div> +<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div> +<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div> +<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div> +<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> +<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// extrude the silohuette away from the light source</span></div> +<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// to create the shadow volume:</span></div> +<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div> +<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  Vec3 extent = lpos * -1;</div> +<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  extent.<a class="code" href="struct_vec3.html#a269d13893a87a616b6709e5fc3d34d4f">Normalize</a>();</div> +<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  extent *= 50.0e3f; <span class="comment">//solid->Radius() * 2.1f;</span></div> +<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> +<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < (int) <a class="code" href="class_shadow.html#aea6ab0d8cbf78e6b7239f6f37eb8623a">num_edges</a>; i++) {</div> +<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (<a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>+6 <= <a class="code" href="class_shadow.html#afd3eb45f0805f7b7f32845e05da59716">max_verts</a>) {</div> +<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  Vec3 v1 = s-><a class="code" href="class_surface.html#a9bcc97d3512578e9244226950874b8db">GetVLoc</a>()[<a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*i+0]];</div> +<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  Vec3 v2 = s-><a class="code" href="class_surface.html#a9bcc97d3512578e9244226950874b8db">GetVLoc</a>()[<a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*i+1]];</div> +<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  Vec3 v3 = v1 + extent;</div> +<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  Vec3 v4 = v2 + extent;</div> +<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div> +<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>[<a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>++] = v1;</div> +<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>[<a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>++] = v2;</div> +<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>[<a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>++] = v3;</div> +<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> +<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>[<a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>++] = v2;</div> +<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>[<a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>++] = v4;</div> +<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="class_shadow.html#a1c00b6881850379a53de03b269dec802">verts</a>[<a class="code" href="class_shadow.html#ac6ab4950ed39258a79f65dc84d37c27f">nverts</a>++] = v3;</div> +<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div> +<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> +<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div> +<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> }</div> +<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> +<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00143"></a><span class="lineno"><a class="code" href="class_shadow.html#ad0b8fea8c671ac01a2f9c0d69583bbc8"> 143</a></span> <a class="code" href="class_shadow.html#ad0b8fea8c671ac01a2f9c0d69583bbc8">Shadow::AddEdge</a>(WORD v1, WORD v2)</div> +<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> {</div> +<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// Remove interior edges (which appear in the list twice)</span></div> +<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">for</span> (DWORD i = 0; i < <a class="code" href="class_shadow.html#aea6ab0d8cbf78e6b7239f6f37eb8623a">num_edges</a>; i++) {</div> +<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> ((<a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*i+0] == v1 && <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*i+1] == v2) ||</div> +<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  (<a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*i+0] == v2 && <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*i+1] == v1))</div> +<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  {</div> +<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (num_edges > 1) {</div> +<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*i+0] = <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*(num_edges-1)+0];</div> +<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*i+1] = edges[2*(num_edges-1)+1];</div> +<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div> +<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div> +<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  num_edges--;</div> +<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span>;</div> +<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div> +<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div> +<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div> +<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*num_edges+0] = v1;</div> +<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="class_shadow.html#a01c7d1b56cfe4878ed68432637abc191">edges</a>[2*num_edges+1] = v2;</div> +<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div> +<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  num_edges++;</div> +<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div> +<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div> +<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keywordtype">bool</span></div> +<div class="line"><a name="l00167"></a><span class="lineno"><a class="code" href="class_shadow.html#a1c3caae51a58c7fa2220cdd94d89f252"> 167</a></span> <a class="code" href="class_shadow.html#a1c3caae51a58c7fa2220cdd94d89f252">Shadow::GetVisibleShadowVolumes</a>()</div> +<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div> +<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> visible_shadow_volumes;</div> +<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> }</div> +<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div> +<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00173"></a><span class="lineno"><a class="code" href="class_shadow.html#a86c1b9c00636d7e302d527820b3c651e"> 173</a></span> <a class="code" href="class_shadow.html#a86c1b9c00636d7e302d527820b3c651e">Shadow::SetVisibleShadowVolumes</a>(<span class="keywordtype">bool</span> vis)</div> +<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> {</div> +<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  visible_shadow_volumes = vis;</div> +<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div> +</div><!-- fragment --></div><!-- contents --> +</div><!-- doc-content --> +<!-- start footer part --> +<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> + <ul> + <li class="navelem"><a class="el" href="dir_d6625d0f3efd9eb70ff961583505095b.html">nGenEx</a></li><li class="navelem"><a class="el" href="_shadow_8cpp.html">Shadow.cpp</a></li> + <li class="footer">Generated on Thu May 31 2012 16:30:58 for Starshatter_Open by + <a href="http://www.doxygen.org/index.html"> + <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.1 </li> + </ul> +</div> +</body> +</html> |