src/libengrid/brlcadinterface.h

   1 //
   2 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   3 // +                                                                      +
   4 // + This file is part of enGrid.                                         +
   5 // +                                                                      +
   6 // + Copyright 2008-2012 enGits GmbH                                     +
   7 // +                                                                      +
   8 // + enGrid is free software: you can redistribute it and/or modify       +
   9 // + it under the terms of the GNU General Public License as published by +
  10 // + the Free Software Foundation, either version 3 of the License, or    +
  11 // + (at your option) any later version.                                  +
  12 // +                                                                      +
  13 // + enGrid is distributed in the hope that it will be useful,            +
  14 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  15 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  16 // + GNU General Public License for more details.                         +
  17 // +                                                                      +
  18 // + You should have received a copy of the GNU General Public License    +
  19 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  20 // +                                                                      +
  21 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  22 //
  23
  24 #ifndef BRLCADINTERFACE_H
  25 #define BRLCADINTERFACE_H
  26
  27 #include "brlcad/vmath.h"
  28 #include "brlcad/raytrace.h"
  29 #include "brlcad/common.h"
  30
  31 #include "engrid.h"
  32 #include "utilities.h"
  33
  34 class BrlCadInterface
  35 {
  36
  37 public: // data types
  38
  39   enum HitType { Miss, HitIn, HitOut };
  40   enum PositionType { Inside, Outside, Surface };
  41
  42 private: // attributes
  43
  44   struct application  m_Ap;
  45   struct rt_i        *m_Rtip;
  46   char                m_IdBuf[132];
  47
  48   static vec3_t m_XIn;
  49   static vec3_t m_XOut;
  50   static vec3_t m_InNormal;
  51   static vec3_t m_OutNormal;
  52   static double m_InRadius;
  53   static double m_OutRadius;
  54   static bool   m_Hit;
  55
  56   double m_Epsilon;
  57
  58
  59 private: // methods
  60
  61   bool shootOneRay(vec3_t x, vec3_t v, vec3_t &x_in, vec3_t &x_out, vec3_t &n_in, vec3_t &n_out, double &r_in, double &r_out);
  62
  63
  64 protected: // methods
  65
  66   static int hit(struct application *ap, struct partition *PartHeadp, struct seg *segs);
  67   static int miss(register struct application *ap);
  68
  69   HitType shootRay(vec3_t x, vec3_t v, vec3_t &x_hit, vec3_t &n_hit, double &r);
  70   void setupBrlCad(QString file_name, QString object_name);
  71   PositionType position(vec3_t x, vec3_t n);
  72
  73
  74 public:
  75
  76   BrlCadInterface();
  77
  78 };
  79
  80 #endif // BRLCADINTERFACE_H