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<h1>cstool/rviewclipper.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">  Copyright (C) 2007 by Jorrit Tyberghein</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment">  This library is free software; you can redistribute it and/or</span>
<a name="l00005"></a>00005 <span class="comment">  modify it under the terms of the GNU Library General Public</span>
<a name="l00006"></a>00006 <span class="comment">  License as published by the Free Software Foundation; either</span>
<a name="l00007"></a>00007 <span class="comment">  version 2 of the License, or (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment">  This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment">  but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment">  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00012"></a>00012 <span class="comment">  Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">  You should have received a copy of the GNU Library General Public</span>
<a name="l00015"></a>00015 <span class="comment">  License along with this library; if not, write to the Free</span>
<a name="l00016"></a>00016 <span class="comment">  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00017"></a>00017 <span class="comment">*/</span>
<a name="l00018"></a>00018 
<a name="l00019"></a>00019 <span class="preprocessor">#ifndef __CSTOOL_RVIEW_CLIPPER_H__</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define __CSTOOL_RVIEW_CLIPPER_H__</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "csextern.h"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="csstring_8h.html" title="String utility class.">csutil/csstring.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="transfrm_8h.html" title="Transformation from one coordinate system to another.">csgeom/transfrm.h</a>"</span>
<a name="l00025"></a>00025 
<a name="l00026"></a>00026 <span class="keyword">class </span><a class="code" href="classcsRenderContext.html" title="This structure keeps track of the current render context.">csRenderContext</a>;
<a name="l00027"></a>00027 <span class="keyword">class </span><a class="code" href="classcsBox3.html" title="A bounding box in 3D space.">csBox3</a>;
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="keyword">namespace </span>CS
<a name="l00030"></a>00030 {
<a name="l00035"></a><a class="code" href="classCS_1_1RenderViewClipper.html">00035</a>   <span class="keyword">class </span>CS_CRYSTALSPACE_EXPORT <a class="code" href="classCS_1_1RenderViewClipper.html" title="Helper to clip in the context of a render view.">RenderViewClipper</a>
<a name="l00036"></a>00036   {
<a name="l00037"></a>00037   <span class="keyword">private</span>:
<a name="l00043"></a>00043     <span class="keyword">static</span> <span class="keywordtype">void</span> TestSphereFrustumWorld (<a class="code" href="classcsRenderContext.html" title="This structure keeps track of the current render context.">csRenderContext</a>* frust,
<a name="l00044"></a>00044       <span class="keyword">const</span> <a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; center, <span class="keywordtype">float</span> radius, <span class="keywordtype">bool</span>&amp; inside, <span class="keywordtype">bool</span>&amp; outside);
<a name="l00045"></a>00045 
<a name="l00046"></a>00046   <span class="keyword">public</span>:
<a name="l00050"></a>00050     <span class="keyword">static</span> <span class="keywordtype">void</span> CalculateClipSettings (<a class="code" href="classcsRenderContext.html" title="This structure keeps track of the current render context.">csRenderContext</a>* ctxt,
<a name="l00051"></a>00051         <a class="code" href="group__util.html#g1134b580f8da4de94ca6b1de4d37975e" title="unsigned 32-bit integer (0..4 294 967 295)">uint32</a> frustum_mask, <span class="keywordtype">int</span> &amp;clip_portal, <span class="keywordtype">int</span> &amp;clip_plane,
<a name="l00052"></a>00052         <span class="keywordtype">int</span> &amp;clip_z_plane);
<a name="l00053"></a>00053 
<a name="l00059"></a>00059     <span class="keyword">static</span> <span class="keywordtype">bool</span> TestBSphere (
<a name="l00060"></a>00060       <a class="code" href="classcsRenderContext.html" title="This structure keeps track of the current render context.">csRenderContext</a>* ctxt,
<a name="l00061"></a>00061       <span class="keyword">const</span> <a class="code" href="classcsReversibleTransform.html" title="A class which defines a reversible transformation from one coordinate system to another...">csReversibleTransform</a> &amp;w2c,
<a name="l00062"></a>00062       <span class="keyword">const</span> <a class="code" href="classcsSphere.html" title="This class represents a sphere.">csSphere</a> &amp;sphere);
<a name="l00063"></a>00063 
<a name="l00070"></a>00070     <span class="keyword">static</span> <span class="keywordtype">bool</span> CullBSphere (
<a name="l00071"></a>00071       <a class="code" href="classcsRenderContext.html" title="This structure keeps track of the current render context.">csRenderContext</a>* ctxt,
<a name="l00072"></a>00072       <span class="keyword">const</span> <a class="code" href="classcsSphere.html" title="This class represents a sphere.">csSphere</a> &amp;cam_sphere,
<a name="l00073"></a>00073       <span class="keyword">const</span> <a class="code" href="classcsSphere.html" title="This class represents a sphere.">csSphere</a> &amp;world_sphere,
<a name="l00074"></a>00074       <span class="keywordtype">int</span>&amp; clip_portal, <span class="keywordtype">int</span>&amp; clip_plane, <span class="keywordtype">int</span>&amp; clip_z_plane);
<a name="l00075"></a>00075 
<a name="l00087"></a>00087     <span class="keyword">static</span> <span class="keywordtype">bool</span> CullBBox (
<a name="l00088"></a>00088       <span class="keyword">const</span> <a class="code" href="classcsRenderContext.html" title="This structure keeps track of the current render context.">csRenderContext</a>* ctxt,
<a name="l00089"></a>00089       <span class="keyword">const</span> <a class="code" href="classcsPlane3.html" title="A plane in 3D space.">csPlane3</a>* planes, <a class="code" href="group__util.html#g1134b580f8da4de94ca6b1de4d37975e" title="unsigned 32-bit integer (0..4 294 967 295)">uint32</a>&amp; frustum_mask,
<a name="l00090"></a>00090       <span class="keyword">const</span> <a class="code" href="classcsBox3.html" title="A bounding box in 3D space.">csBox3</a>&amp; obox,
<a name="l00091"></a>00091       <span class="keywordtype">int</span>&amp; clip_portal, <span class="keywordtype">int</span>&amp; clip_plane, <span class="keywordtype">int</span>&amp; clip_z_plane);
<a name="l00092"></a>00092 
<a name="l00099"></a>00099     <span class="keyword">static</span> <span class="keywordtype">void</span> SetupClipPlanes (
<a name="l00100"></a>00100       <a class="code" href="classcsRenderContext.html" title="This structure keeps track of the current render context.">csRenderContext</a>* ctxt,
<a name="l00101"></a>00101       <span class="keyword">const</span> <a class="code" href="classcsReversibleTransform.html" title="A class which defines a reversible transformation from one coordinate system to another...">csReversibleTransform</a>&amp; tr_o2c,
<a name="l00102"></a>00102       <a class="code" href="classcsPlane3.html" title="A plane in 3D space.">csPlane3</a>* planes, <a class="code" href="group__util.html#g1134b580f8da4de94ca6b1de4d37975e" title="unsigned 32-bit integer (0..4 294 967 295)">uint32</a>&amp; frustum_mask);
<a name="l00103"></a>00103 
<a name="l00107"></a>00107     <span class="keyword">static</span> <span class="keywordtype">void</span> SetupClipPlanes (<a class="code" href="classcsRenderContext.html" title="This structure keeps track of the current render context.">csRenderContext</a>* ctxt);
<a name="l00108"></a>00108   };
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 
<a name="l00111"></a>00111 <span class="preprocessor">#endif // __CSTOOL_RVIEW_CLIPPER_H__</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span>
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