Source

Coin / src / shapenodes / soshape_trianglesort.h

#ifndef COIN_SOSHAPE_TRIANGLESORT_H
#define COIN_SOSHAPE_TRIANGLESORT_H

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

#ifndef COIN_INTERNAL
#error this is a private header file
#endif /* !COIN_INTERNAL */

#include <Inventor/lists/SbList.h>
#include <Inventor/SoPrimitiveVertex.h>

class SoState;
class SoPrimitiveVertex;
class SoMaterialBundle;

class soshape_trianglesort {
public:
  soshape_trianglesort();
  ~soshape_trianglesort();

  void beginShape(SoState * state);
  void triangle(SoState * state,
                const SoPrimitiveVertex * v1,
                const SoPrimitiveVertex * v2,
                const SoPrimitiveVertex * v3);
  void endShape(SoState * state, SoMaterialBundle & mb);

  typedef struct {
    int idx : 31;
    unsigned int backface : 1;
    float dist;
  } sorted_triangle;

private:

  SbList <SoPrimitiveVertex> * pvlist;
  SbList <sorted_triangle> * trianglelist;
};

#endif // !COIN_SOSHAPE_TRIANGLESORT_H
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