<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>Mercator: Mercator::Shader Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css">
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.9 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li class="current"><a href="annotated.html"><span>Classes</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="annotated.html"><span>Class List</span></a></li>
<li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li>
<li><a href="functions.html"><span>Class Members</span></a></li>
</ul>
</div>
<div class="navpath"><b>Mercator</b>::<a class="el" href="classMercator_1_1Shader.html">Shader</a>
</div>
</div>
<div class="contents">
<h1>Mercator::Shader Class Reference</h1><!-- doxytag: class="Mercator::Shader" -->Base class for <a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> objects which create surface data for use when rendering terrain.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="Shader_8h_source.html">Shader.h</a>></code>
<p>
<div class="dynheader">
Inheritance diagram for Mercator::Shader:</div>
<div class="dynsection">
<p><center><img src="classMercator_1_1Shader.png" usemap="#Mercator::Shader_map" border="0" alt=""></center>
<map name="Mercator::Shader_map">
<area href="classMercator_1_1AreaShader.html" alt="Mercator::AreaShader" shape="rect" coords="154,56,298,80">
<area href="classMercator_1_1BandShader.html" alt="Mercator::BandShader" shape="rect" coords="154,112,298,136">
<area href="classMercator_1_1DepthShader.html" alt="Mercator::DepthShader" shape="rect" coords="154,168,298,192">
<area href="classMercator_1_1FillShader.html" alt="Mercator::FillShader" shape="rect" coords="154,224,298,248">
<area href="classMercator_1_1GrassShader.html" alt="Mercator::GrassShader" shape="rect" coords="154,280,298,304">
<area href="classMercator_1_1HighShader.html" alt="Mercator::HighShader" shape="rect" coords="154,336,298,360">
<area href="classMercator_1_1LowShader.html" alt="Mercator::LowShader" shape="rect" coords="154,392,298,416">
<area href="classMercator_1_1TileShader.html" alt="Mercator::TileShader" shape="rect" coords="154,448,298,472">
</map>
</div>
<p>
<a href="classMercator_1_1Shader-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1e99426c6c90afbb8c54114bb692b861"></a><!-- doxytag: member="Mercator::Shader::Parameters" ref="1e99426c6c90afbb8c54114bb692b861" args="" -->
typedef std::map< std::string, <br class="typebreak">
float > </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#1e99426c6c90afbb8c54114bb692b861">Parameters</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">STL map of parameter values for a shader constructor. <br></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5bcc651d08707e2124536036e82d8ce5"></a><!-- doxytag: member="Mercator::Shader::~Shader" ref="5bcc651d08707e2124536036e82d8ce5" args="()" -->
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#5bcc651d08707e2124536036e82d8ce5">~Shader</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor does nothing interesting. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="775166b2e13eff4473f4d6cbbc2bc242"></a><!-- doxytag: member="Mercator::Shader::getColor" ref="775166b2e13eff4473f4d6cbbc2bc242" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#775166b2e13eff4473f4d6cbbc2bc242">getColor</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Accessor for color flag. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d95856ffe918db07358abddd81feb4bc"></a><!-- doxytag: member="Mercator::Shader::getAlpha" ref="d95856ffe918db07358abddd81feb4bc" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#d95856ffe918db07358abddd81feb4bc">getAlpha</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Accessor for alpha flag. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classMercator_1_1Surface.html">Surface</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#0dea70d66bcc68dd955548c24d0acc44">newSurface</a> (const <a class="el" href="classMercator_1_1Segment.html">Segment</a> &) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a new <a class="el" href="classMercator_1_1Surface.html" title="Data store for terrain surface data.">Surface</a> which matches the requirements of this shader. <a href="#0dea70d66bcc68dd955548c24d0acc44"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#6a69ca4a474c18f1038cc9a75a419855">checkIntersect</a> (const <a class="el" href="classMercator_1_1Segment.html">Segment</a> &) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check whether this <a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> has any effect on the given <a class="el" href="classMercator_1_1Segment.html" title="Class storing heightfield and other data for a single fixed size square area of terrain...">Segment</a>. <a href="#6a69ca4a474c18f1038cc9a75a419855"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3f8a84ec28757623c24488ae79c8947d"></a><!-- doxytag: member="Mercator::Shader::shade" ref="3f8a84ec28757623c24488ae79c8947d" args="(Surface &) const =0" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#3f8a84ec28757623c24488ae79c8947d">shade</a> (<a class="el" href="classMercator_1_1Surface.html">Surface</a> &) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Populate a <a class="el" href="classMercator_1_1Surface.html" title="Data store for terrain surface data.">Surface</a> with data. <br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#4918b9de55212b4221683e2b985491cd">Shader</a> (bool color=false, bool alpha=true)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Protected constructor for classes which inherit from this one. <a href="#4918b9de55212b4221683e2b985491cd"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fe9bf17286deabb099732d4287a3fbea"></a><!-- doxytag: member="Mercator::Shader::m_color" ref="fe9bf17286deabb099732d4287a3fbea" args="" -->
const bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#fe9bf17286deabb099732d4287a3fbea">m_color</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Flag to control whether this <a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> produces color data. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2b5350bc03bf41a873ca938221a23198"></a><!-- doxytag: member="Mercator::Shader::m_alpha" ref="2b5350bc03bf41a873ca938221a23198" args="" -->
const bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1Shader.html#2b5350bc03bf41a873ca938221a23198">m_alpha</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Flag to control whether this <a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> produces alpha data. <br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Base class for <a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> objects which create surface data for use when rendering terrain.
<p>
<a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> objects take heightfield data for a terrain <a class="el" href="classMercator_1_1Segment.html" title="Class storing heightfield and other data for a single fixed size square area of terrain...">Segment</a>, and use it to populate a <a class="el" href="classMercator_1_1Surface.html" title="Data store for terrain surface data.">Surface</a> with data that can then be used to define the appearance of the terrain when rendering. The <a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> is used both to create the <a class="el" href="classMercator_1_1Surface.html" title="Data store for terrain surface data.">Surface</a> object of the right type, and to populate the <a class="el" href="classMercator_1_1Surface.html" title="Data store for terrain surface data.">Surface</a> with data once the <a class="el" href="classMercator_1_1Segment.html" title="Class storing heightfield and other data for a single fixed size square area of terrain...">Segment</a> heightfield has been generated. <hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="4918b9de55212b4221683e2b985491cd"></a><!-- doxytag: member="Mercator::Shader::Shader" ref="4918b9de55212b4221683e2b985491cd" args="(bool color=false, bool alpha=true)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">Mercator::Shader::Shader </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>color</em> = <code>false</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>alpha</em> = <code>true</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [explicit, protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Protected constructor for classes which inherit from this one.
<p>
Permanently sents the color and alpha flags.
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="6a69ca4a474c18f1038cc9a75a419855"></a><!-- doxytag: member="Mercator::Shader::checkIntersect" ref="6a69ca4a474c18f1038cc9a75a419855" args="(const Segment &) const =0" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">virtual bool Mercator::Shader::checkIntersect </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classMercator_1_1Segment.html">Segment</a> & </td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Check whether this <a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> has any effect on the given <a class="el" href="classMercator_1_1Segment.html" title="Class storing heightfield and other data for a single fixed size square area of terrain...">Segment</a>.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>true if the given <a class="el" href="classMercator_1_1Segment.html" title="Class storing heightfield and other data for a single fixed size square area of terrain...">Segment</a> height range is within the range that this <a class="el" href="classMercator_1_1Shader.html" title="Base class for Shader objects which create surface data for use when rendering terrain...">Shader</a> uses. e.g. A high altitude snow shader will have no effect on low level terrain. </dd></dl>
<p>Implemented in <a class="el" href="classMercator_1_1AreaShader.html#4dd8dbcebafb09c8fee4ac7c012c6cc9">Mercator::AreaShader</a>, <a class="el" href="classMercator_1_1DepthShader.html#78923f61d335729886101fe6daff3473">Mercator::DepthShader</a>, <a class="el" href="classMercator_1_1FillShader.html#eca9c68d8ad06f6646f2b830194efad4">Mercator::FillShader</a>, <a class="el" href="classMercator_1_1GrassShader.html#b2a6bd393a2953b5905643fe9b70edb6">Mercator::GrassShader</a>, <a class="el" href="classMercator_1_1HighShader.html#7bbd519b8ea89fc2b287b43a2b303259">Mercator::HighShader</a>, <a class="el" href="classMercator_1_1LowShader.html#e0fe5a8d9f18b5eb9508d90553a5eba5">Mercator::LowShader</a>, <a class="el" href="classMercator_1_1BandShader.html#78d44205f6f171d6672a0bf71e2a8a90">Mercator::BandShader</a>, and <a class="el" href="classMercator_1_1TileShader.html#5cb9b0c15d7ff4804db74485fbbb00b9">Mercator::TileShader</a>.</p>
<p>Referenced by <a class="el" href="Terrain_8cpp_source.html#l00058">Mercator::Terrain::addShader()</a>, and <a class="el" href="Surface_8cpp_source.html#l00030">Mercator::Surface::populate()</a>.</p>
</div>
</div><p>
<a class="anchor" name="0dea70d66bcc68dd955548c24d0acc44"></a><!-- doxytag: member="Mercator::Shader::newSurface" ref="0dea70d66bcc68dd955548c24d0acc44" args="(const Segment &) const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classMercator_1_1Surface.html">Surface</a> * Mercator::Shader::newSurface </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classMercator_1_1Segment.html">Segment</a> & </td>
<td class="paramname"> <em>segment</em> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Create a new <a class="el" href="classMercator_1_1Surface.html" title="Data store for terrain surface data.">Surface</a> which matches the requirements of this shader.
<p>
Called by terrain when creating a new <a class="el" href="classMercator_1_1Segment.html" title="Class storing heightfield and other data for a single fixed size square area of terrain...">Segment</a> to add the necessary <a class="el" href="classMercator_1_1Surface.html" title="Data store for terrain surface data.">Surface</a> objects to that <a class="el" href="classMercator_1_1Segment.html" title="Class storing heightfield and other data for a single fixed size square area of terrain...">Segment</a>.
<p>References <a class="el" href="Shader_8h_source.html#l00034">m_alpha</a>, and <a class="el" href="Shader_8h_source.html#l00032">m_color</a>.</p>
<p>Referenced by <a class="el" href="Terrain_8cpp_source.html#l00058">Mercator::Terrain::addShader()</a>.</p>
</div>
</div><p>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="Shader_8h_source.html">Shader.h</a><li>Shader.cpp</ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated for Mercator by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address>
</body>
</html>
