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<title>Mercator: Mercator::TileShader Class Reference</title>
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<div class="navpath"><b>Mercator</b>::<a class="el" href="classMercator_1_1TileShader.html">TileShader</a>
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<h1>Mercator::TileShader Class Reference</h1><!-- doxytag: class="Mercator::TileShader" --><!-- doxytag: inherits="Mercator::Shader" --><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> agregating surface data.
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<p>
<code>#include <<a class="el" href="TileShader_8h_source.html">TileShader.h</a>></code>
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Inheritance diagram for Mercator::TileShader:</div>
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<p><center><img src="classMercator_1_1TileShader.png" usemap="#Mercator::TileShader_map" border="0" alt=""></center>
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<a href="classMercator_1_1TileShader-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1ce547e611fde5576d949a0e6fc6eb06"></a><!-- doxytag: member="Mercator::TileShader::Shaderstore" ref="1ce547e611fde5576d949a0e6fc6eb06" args="" -->
typedef std::map< int, <a class="el" href="classMercator_1_1Shader.html">Shader</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1TileShader.html#1ce547e611fde5576d949a0e6fc6eb06">Shaderstore</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">STL map to store sparse array of <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> pointers. <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="107634b523f5ab462e19c5ea748d6bff"></a><!-- doxytag: member="Mercator::TileShader::addShader" ref="107634b523f5ab462e19c5ea748d6bff" args="(Shader *t, int id)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1TileShader.html#107634b523f5ab462e19c5ea748d6bff">addShader</a> (<a class="el" href="classMercator_1_1Shader.html">Shader</a> *t, int id)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a shader to those agregated by the tile shader. <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_1TileShader.html#5cb9b0c15d7ff4804db74485fbbb00b9">checkIntersect</a> (const <a class="el" href="classMercator_1_1Segment.html">Segment</a> &) const </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="#5cb9b0c15d7ff4804db74485fbbb00b9"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bd0a5c09f9df1db089ad410f974a7deb"></a><!-- doxytag: member="Mercator::TileShader::shade" ref="bd0a5c09f9df1db089ad410f974a7deb" args="(Surface &) const " -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1TileShader.html#bd0a5c09f9df1db089ad410f974a7deb">shade</a> (<a class="el" href="classMercator_1_1Surface.html">Surface</a> &) const </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>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a3be6ff97532009c5db1e7f11983fe8d"></a><!-- doxytag: member="Mercator::TileShader::m_subShaders" ref="a3be6ff97532009c5db1e7f11983fe8d" args="" -->
<a class="el" href="classMercator_1_1TileShader.html#1ce547e611fde5576d949a0e6fc6eb06">Shaderstore</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classMercator_1_1TileShader.html#a3be6ff97532009c5db1e7f11983fe8d">m_subShaders</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Store of shaders which are agregated by this shader. <br></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
<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> agregating surface data.
<p>
Some applications require the terrain surface data be stored in a single buffer so specific locations can be queried to determine the type. Typically this is used on a server, where lots of surface data optimised for rendering is not required, but fast cheap queries about the surface at a specific point are required. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="5cb9b0c15d7ff4804db74485fbbb00b9"></a><!-- doxytag: member="Mercator::TileShader::checkIntersect" ref="5cb9b0c15d7ff4804db74485fbbb00b9" args="(const Segment &) const " -->
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<td class="memname">bool Mercator::TileShader::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> [virtual]</code></td>
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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>.
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<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>Implements <a class="el" href="classMercator_1_1Shader.html#6a69ca4a474c18f1038cc9a75a419855">Mercator::Shader</a>.</p>
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<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="TileShader_8h_source.html">TileShader.h</a><li>TileShader.cpp</ul>
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