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<h1>OgrePatchSurface.h</h1><a href="OgrePatchSurface_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="comment">/*</span>
00002 <span class="comment">-----------------------------------------------------------------------------</span>
00003 <span class="comment">This source file is part of OGRE</span>
00004 <span class="comment"> (Object-oriented Graphics Rendering Engine)</span>
00005 <span class="comment">For the latest info, see http://www.ogre3d.org/</span>
00006 <span class="comment"></span>
00007 <span class="comment">Copyright (c) 2000-2005 The OGRE Team</span>
00008 <span class="comment">Also see acknowledgements in Readme.html</span>
00009 <span class="comment"></span>
00010 <span class="comment">This program is free software; you can redistribute it and/or modify it under</span>
00011 <span class="comment">the terms of the GNU Lesser General Public License as published by the Free Software</span>
00012 <span class="comment">Foundation; either version 2 of the License, or (at your option) any later</span>
00013 <span class="comment">version.</span>
00014 <span class="comment"></span>
00015 <span class="comment">This program is distributed in the hope that it will be useful, but WITHOUT</span>
00016 <span class="comment">ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span>
00017 <span class="comment">FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.</span>
00018 <span class="comment"></span>
00019 <span class="comment">You should have received a copy of the GNU Lesser General Public License along with</span>
00020 <span class="comment">this program; if not, write to the Free Software Foundation, Inc., 59 Temple</span>
00021 <span class="comment">Place - Suite 330, Boston, MA 02111-1307, USA, or go to</span>
00022 <span class="comment">http://www.gnu.org/copyleft/lesser.txt.</span>
00023 <span class="comment">-----------------------------------------------------------------------------</span>
00024 <span class="comment">*/</span>
00025 <span class="preprocessor">#ifndef __PatchSurface_H__</span>
00026 <span class="preprocessor"></span><span class="preprocessor">#define __PatchSurface_H__</span>
00027 <span class="preprocessor"></span>
00028 <span class="preprocessor">#include "<a class="code" href="OgrePrerequisites_8h.html">OgrePrerequisites.h</a>"</span>
00029
00030 <span class="preprocessor">#include "<a class="code" href="OgreVector3_8h.html">OgreVector3.h</a>"</span>
00031 <span class="preprocessor">#include "<a class="code" href="OgreString_8h.html">OgreString.h</a>"</span>
00032 <span class="preprocessor">#include "<a class="code" href="OgreRenderOperation_8h.html">OgreRenderOperation.h</a>"</span>
00033 <span class="preprocessor">#include "<a class="code" href="OgreAxisAlignedBox_8h.html">OgreAxisAlignedBox.h</a>"</span>
00034
00035 <span class="keyword">namespace </span>Ogre {
00036
<a name="l00043"></a><a class="code" href="classOgre_1_1PatchSurface.html">00043</a> <span class="keyword">class </span><a class="code" href="OgrePlatform_8h.html#a13">_OgreExport</a> PatchSurface
00044 {
00045 <span class="keyword">public</span>:
00046 PatchSurface();
00047 ~PatchSurface();
00048
<a name="l00049"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacew5">00049</a> <span class="keyword">enum</span> PatchSurfaceType
00050 {
00052 PST_BEZIER
00053 };
00054
00056 <span class="keyword">enum</span>
00057 {
00058 AUTO_LEVEL = -1
00059 };
00060
<a name="l00061"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacew7">00061</a> <span class="keyword">enum</span> VisibleSide {
00063 VS_FRONT,
00065 VS_BACK,
00067 VS_BOTH
00068 };
00096 <span class="keywordtype">void</span> defineSurface(<span class="keywordtype">void</span>* controlPointBuffer,
00097 <a class="code" href="classOgre_1_1VertexDeclaration.html">VertexDeclaration</a> *declaration, size_t width, size_t height,
00098 PatchSurfaceType pType = PST_BEZIER,
00099 size_t uMaxSubdivisionLevel = AUTO_LEVEL, size_t vMaxSubdivisionLevel = AUTO_LEVEL,
00100 VisibleSide visibleSide = VS_FRONT);
00101
00107 size_t getRequiredVertexCount(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00113 size_t getRequiredIndexCount(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00114
00116 size_t getCurrentIndexCount(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
<a name="l00118"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacea6">00118</a> size_t getIndexOffset(<span class="keywordtype">void</span>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mIndexOffset; }
<a name="l00120"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacea7">00120</a> size_t getVertexOffset(<span class="keywordtype">void</span>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mVertexOffset; }
00121
00122
00124 <span class="keyword">const</span> <a class="code" href="classOgre_1_1AxisAlignedBox.html">AxisAlignedBox</a>& getBounds(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00127 <a class="code" href="namespaceOgre.html#a420">Real</a> getBoundingSphereRadius(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00143 <span class="keywordtype">void</span> build(<a class="code" href="classOgre_1_1HardwareVertexBufferSharedPtr.html">HardwareVertexBufferSharedPtr</a> destVertexBuffer, size_t vertexStart,
00144 <a class="code" href="classOgre_1_1HardwareIndexBufferSharedPtr.html">HardwareIndexBufferSharedPtr</a> destIndexBuffer, size_t indexStart);
00145
00154 <span class="keywordtype">void</span> setSubdivisionFactor(<a class="code" href="namespaceOgre.html#a420">Real</a> factor);
00155
00157 <a class="code" href="namespaceOgre.html#a420">Real</a> getSubdivisionFactor(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00158
<a name="l00159"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacea13">00159</a> <span class="keywordtype">void</span>* getControlPointBuffer(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
00160 <span class="keyword"> </span>{
00161 <span class="keywordflow">return</span> mControlPointBuffer;
00162 }
<a name="l00165"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacea14">00165</a> <span class="keywordtype">void</span> notifyControlPointBufferDeallocated(<span class="keywordtype">void</span>) {
00166 mControlPointBuffer = 0;
00167 }
00168 <span class="keyword">protected</span>:
<a name="l00170"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep0">00170</a> <a class="code" href="classOgre_1_1VertexDeclaration.html">VertexDeclaration</a>* mDeclaration;
<a name="l00172"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep1">00172</a> <span class="keywordtype">void</span>* mControlPointBuffer;
<a name="l00174"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep2">00174</a> PatchSurfaceType mType;
<a name="l00176"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep3">00176</a> size_t mCtlWidth;
<a name="l00178"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep4">00178</a> size_t mCtlHeight;
<a name="l00180"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep5">00180</a> size_t mCtlCount;
<a name="l00182"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep6">00182</a> size_t mULevel;
<a name="l00184"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep7">00184</a> size_t mVLevel;
<a name="l00186"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep8">00186</a> size_t mMaxULevel;
<a name="l00187"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep9">00187</a> size_t mMaxVLevel;
<a name="l00189"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep10">00189</a> size_t mMeshWidth;
<a name="l00191"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep11">00191</a> size_t mMeshHeight;
<a name="l00193"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep12">00193</a> VisibleSide mVSide;
00194
<a name="l00195"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep13">00195</a> <a class="code" href="namespaceOgre.html#a420">Real</a> mSubdivisionFactor;
00196
<a name="l00197"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep14">00197</a> std::vector<Vector3> mVecCtlPoints;
00198
00201 size_t findLevel( <a class="code" href="classOgre_1_1Vector3.html">Vector3</a>& a, <a class="code" href="classOgre_1_1Vector3.html">Vector3</a>& b, <a class="code" href="classOgre_1_1Vector3.html">Vector3</a>& c);
00202
00203 <span class="keywordtype">void</span> distributeControlPoints(<span class="keywordtype">void</span>* lockedBuffer);
00204 <span class="keywordtype">void</span> subdivideCurve(<span class="keywordtype">void</span>* lockedBuffer, size_t startIdx, size_t stepSize, size_t numSteps, size_t iterations);
00205 <span class="keywordtype">void</span> interpolateVertexData(<span class="keywordtype">void</span>* lockedBuffer, size_t leftIndex, size_t rightIndex, size_t destIndex);
00206 <span class="keywordtype">void</span> makeTriangles(<span class="keywordtype">void</span>);
00207
00208 size_t getAutoULevel(<span class="keywordtype">bool</span> forMax = <span class="keyword">false</span>);
00209 size_t getAutoVLevel(<span class="keywordtype">bool</span> forMax = <span class="keyword">false</span>);
00210
<a name="l00211"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep15">00211</a> <a class="code" href="classOgre_1_1HardwareVertexBufferSharedPtr.html">HardwareVertexBufferSharedPtr</a> mVertexBuffer;
<a name="l00212"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep16">00212</a> <a class="code" href="classOgre_1_1HardwareIndexBufferSharedPtr.html">HardwareIndexBufferSharedPtr</a> mIndexBuffer;
<a name="l00213"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep17">00213</a> size_t mVertexOffset;
<a name="l00214"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep18">00214</a> size_t mIndexOffset;
<a name="l00215"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep19">00215</a> size_t mRequiredVertexCount;
<a name="l00216"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep20">00216</a> size_t mRequiredIndexCount;
<a name="l00217"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep21">00217</a> size_t mCurrIndexCount;
00218
<a name="l00219"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep22">00219</a> <a class="code" href="classOgre_1_1AxisAlignedBox.html">AxisAlignedBox</a> mAABB;
<a name="l00220"></a><a class="code" href="classOgre_1_1PatchSurface.html#Ogre_1_1PatchSurfacep23">00220</a> <a class="code" href="namespaceOgre.html#a420">Real</a> mBoundingSphere;
00221
00222
00223
00224 };
00225
00226
00227 } <span class="comment">// namespace</span>
00228
00229 <span class="preprocessor">#endif</span>
</pre></div><p>
Copyright © 2000-2005 by The OGRE Team<br />
Last modified Wed Feb 23 00:19:10 2005
</p>
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