Engine directory for ticket #1

Engine/lib/convexDecomp/NvRemoveTjunctions.h

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+#ifndef REMOVE_TJUNCTIONS_H
+
+#define REMOVE_TJUNCTIONS_H
+
+/*
+
+NvRemoveTjunctions.h : A code snippet to remove tjunctions from a triangle mesh.  This version is currently disabled as it appears to have a bug.
+
+*/
+
+
+#include "NvUserMemAlloc.h"
+
+/*!
+**
+** Copyright (c) 2009 by John W. Ratcliff mailto:jratcliffscarab@gmail.com
+**
+** Portions of this source has been released with the PhysXViewer application, as well as
+** Rocket, CreateDynamics, ODF, and as a number of sample code snippets.
+**
+** If you find this code useful or you are feeling particularily generous I would
+** ask that you please go to http://www.amillionpixels.us and make a donation
+** to Troy DeMolay.
+**
+** DeMolay is a youth group for young men between the ages of 12 and 21.
+** It teaches strong moral principles, as well as leadership skills and
+** public speaking.  The donations page uses the 'pay for pixels' paradigm
+** where, in this case, a pixel is only a single penny.  Donations can be
+** made for as small as $4 or as high as a $100 block.  Each person who donates
+** will get a link to their own site as well as acknowledgement on the
+** donations blog located here http://www.amillionpixels.blogspot.com/
+**
+** If you wish to contact me you can use the following methods:
+**
+** Skype ID: jratcliff63367
+** Yahoo: jratcliff63367
+** AOL: jratcliff1961
+** email: jratcliffscarab@gmail.com
+**
+**
+** The MIT license:
+**
+** Permission is hereby granted, free of charge, to any person obtaining a copy
+** of this software and associated documentation files (the "Software"), to deal
+** in the Software without restriction, including without limitation the rights
+** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+** copies of the Software, and to permit persons to whom the Software is furnished
+** to do so, subject to the following conditions:
+**
+** The above copyright notice and this permission notice shall be included in all
+** copies or substantial portions of the Software.
+
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+** WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+** CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+namespace CONVEX_DECOMPOSITION
+{
+
+class RemoveTjunctionsDesc
+{
+public:
+  RemoveTjunctionsDesc(void)
+  {
+    mVcount = 0;
+    mVertices = 0;
+    mTcount = 0;
+    mIndices = 0;
+    mIds = 0;
+    mTcountOut = 0;
+    mIndicesOut = 0;
+    mIdsOut = 0;
+	mEpsilon = 0.00000001f;
+  }
+
+// input
+  NxF32        mEpsilon;
+  NxF32        mDistanceEpsilon;
+  NxU32        mVcount;  		// input vertice count.
+  const NxF32 *mVertices; 		// input vertices as NxF32s or...
+  NxU32        mTcount;    		// number of input triangles.
+  const NxU32 *mIndices;   		// triangle indices.
+  const NxU32 *mIds;       		// optional triangle Id numbers.
+// output..
+  NxU32        mTcountOut;  // number of output triangles.
+  const NxU32 *mIndicesOut; // output triangle indices
+  const NxU32 *mIdsOut;     // output retained id numbers.
+};
+
+// Removes t-junctions from an input mesh.  Does not generate any new data points, but may possible produce additional triangles and new indices.
+class RemoveTjunctions
+{
+public:
+
+   virtual NxU32 removeTjunctions(RemoveTjunctionsDesc &desc) =0; // returns number of triangles output and the descriptor is filled with the appropriate results.
+
+
+};
+
+RemoveTjunctions * createRemoveTjunctions(void);
+void               releaseRemoveTjunctions(RemoveTjunctions *tj);
+
+}; // end of namespace
+
+#endif