129 lines
5.0 KiB
C++
129 lines
5.0 KiB
C++
//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
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//Distributed under the Boost Software License, Version 1.0. (See accompanying
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//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef UUID_8AC84A2217C411E0A7AF3A1BDFD72085
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#define UUID_8AC84A2217C411E0A7AF3A1BDFD72085
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#include <boost/qvm/inline.hpp>
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#include <boost/qvm/quat_traits.hpp>
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#include <boost/qvm/deduce_vec.hpp>
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#include <boost/qvm/static_assert.hpp>
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#include <boost/qvm/enable_if.hpp>
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namespace
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boost
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{
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namespace
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qvm
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{
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////////////////////////////////////////////////
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namespace
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qvm_detail
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{
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template <class Q>
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struct
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quat_v_
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{
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template <class R>
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operator R() const
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{
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R r;
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assign(r,*this);
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return r;
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}
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private:
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quat_v_( quat_v_ const & );
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quat_v_ const & operator=( quat_v_ const & );
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~quat_v_();
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};
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}
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template <class V>
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struct vec_traits;
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template <class Q>
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struct
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vec_traits< qvm_detail::quat_v_<Q> >
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{
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typedef qvm_detail::quat_v_<Q> this_vector;
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typedef typename quat_traits<Q>::scalar_type scalar_type;
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static int const dim=3;
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template <int I>
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BOOST_QVM_INLINE_CRITICAL
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static
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scalar_type
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read_element( this_vector const & q )
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{
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BOOST_QVM_STATIC_ASSERT(I>=0);
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BOOST_QVM_STATIC_ASSERT(I<dim);
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return quat_traits<Q>::template read_element<I+1>( reinterpret_cast<Q const &>(q) );
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}
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template <int I>
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BOOST_QVM_INLINE_CRITICAL
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static
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scalar_type &
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write_element( this_vector & q )
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{
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BOOST_QVM_STATIC_ASSERT(I>=0);
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BOOST_QVM_STATIC_ASSERT(I<dim);
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return quat_traits<Q>::template write_element<I+1>( reinterpret_cast<Q &>(q) );
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}
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};
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template <class Q,int D>
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struct
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deduce_vec<qvm_detail::quat_v_<Q>,D>
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{
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typedef vec<typename quat_traits<Q>::scalar_type,D> type;
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};
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template <class Q,int D>
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struct
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deduce_vec2<qvm_detail::quat_v_<Q>,qvm_detail::quat_v_<Q>,D>
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{
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typedef vec<typename quat_traits<Q>::scalar_type,D> type;
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};
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template <class Q>
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BOOST_QVM_INLINE_TRIVIAL
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typename enable_if_c<
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is_quat<Q>::value,
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qvm_detail::quat_v_<Q> const &>::type
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V( Q const & a )
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{
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return reinterpret_cast<qvm_detail::quat_v_<Q> const &>(a);
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}
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template <class Q>
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BOOST_QVM_INLINE_TRIVIAL
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typename enable_if_c<
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is_quat<Q>::value,
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qvm_detail::quat_v_<Q> &>::type
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V( Q & a )
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{
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return reinterpret_cast<qvm_detail::quat_v_<Q> &>(a);
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}
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template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type>::type S( Q const & a ) { return quat_traits<Q>::template read_element<0>(a); }
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template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type>::type X( Q const & a ) { return quat_traits<Q>::template read_element<1>(a); }
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template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type>::type Y( Q const & a ) { return quat_traits<Q>::template read_element<2>(a); }
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template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type>::type Z( Q const & a ) { return quat_traits<Q>::template read_element<3>(a); }
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template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type &>::type S( Q & a ) { return quat_traits<Q>::template write_element<0>(a); }
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template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type &>::type X( Q & a ) { return quat_traits<Q>::template write_element<1>(a); }
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template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type &>::type Y( Q & a ) { return quat_traits<Q>::template write_element<2>(a); }
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template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type &>::type Z( Q & a ) { return quat_traits<Q>::template write_element<3>(a); }
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////////////////////////////////////////////////
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}
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}
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#endif
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