src/vec.cpp

   1 /*********************************
   2 ** Tsunagari Tile Engine        **
   3 ** vec.cpp                      **
   4 ** Copyright 2011-2012 OmegaSDG **
   5 *********************************/
   6
   7 // **********
   8 // Permission is hereby granted, free of charge, to any person obtaining a copy
   9 // of this software and associated documentation files (the "Software"), to
  10 // deal in the Software without restriction, including without limitation the
  11 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  12 // sell copies of the Software, and to permit persons to whom the Software is
  13 // furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24 // IN THE SOFTWARE.
  25 // **********
  26
  27 #include <boost/python.hpp>
  28
  29 #include "vec.h"
  30
  31 template<class T>
  32 struct vec2_to_python_tuple
  33 {
  34         static PyObject* convert(const T& v)
  35         {
  36                 // Prevent compilation name collisions with "object" by making
  37                 // it "bp::object".
  38                 namespace bp = boost::python;
  39
  40                 bp::object tuple = bp::make_tuple(v.x, v.y);
  41                 return bp::incref(tuple.ptr());
  42         }
  43 };
  44
  45 template<class T>
  46 struct vec3_to_python_tuple
  47 {
  48         static PyObject* convert(const T& v)
  49         {
  50                 // Prevent compilation name collisions with "object" by making
  51                 // it "bp::object".
  52                 namespace bp = boost::python;
  53
  54                 bp::object tuple = bp::make_tuple(v.x, v.y, v.z);
  55                 return bp::incref(tuple.ptr());
  56         }
  57 };
  58
  59 void exportVecs()
  60 {
  61         using namespace boost::python;
  62
  63         to_python_converter<ivec2, vec2_to_python_tuple<ivec2> >();
  64         to_python_converter<rvec2, vec2_to_python_tuple<rvec2> >();
  65
  66         to_python_converter<ivec3, vec3_to_python_tuple<ivec3> >();
  67         to_python_converter<rvec3, vec3_to_python_tuple<rvec3> >();
  68         // typedef'd to ivec3 and rvec3, already registered
  69         /* to_python_converter<icoord, vec3_to_python_tuple<icoord> >(); */
  70         /* to_python_converter<rcoord, vec3_to_python_tuple<rcoord> >(); */
  71
  72         // Not really a vec3, but we just need ::x, ::y, ::z members.
  73         to_python_converter<vicoord, vec3_to_python_tuple<vicoord> >();
  74 }
  75