///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
/// 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.
///
/// @ref gtc_swizzle
/// @file glm/gtc/swizzle.hpp
/// @date 2010-02-20 / 2011-06-05
/// @author Christophe Riccio
///
/// @see core (dependence)
///
/// @defgroup gtc_swizzle GLM_GTC_swizzle: Swizzle 'operator' implementation
/// @ingroup gtc
///
/// @brief Provide functions to emulate GLSL swizzle operator fonctionalities.
///
/// <glm/gtc/swizzle.hpp> need to be included to use these functionalities.
///////////////////////////////////////////////////////////////////////////////////

#ifndef GLM_GTC_swizzle
#define GLM_GTC_swizzle GLM_VERSION

// Dependency:
#include "../glm.hpp"
#include "../gtc/type_precision.hpp"

#if (defined(GLM_MESSAGES) && !defined(glm_ext))
#pragma message("GLM: GLM_GTC_swizzle extension included")
#endif

namespace glm {
/// @addtogroup gtc_swizzle
/// @{

template<typename T, template<typename> class vecType>
T const & swizzle(
  vecType<T> const & v,
  comp x);

///
///
/// @param v Vector source
/// @param x
/// @tparam T
/// @tparam vecType
/// @see gtc_swizzle
template<typename T, template<typename> class vecType>
detail::tvec2<T> const & swizzle(
  vecType<T> const & v,
  comp x, comp y);

template<typename T, template<typename> class vecType>
detail::tvec3<T> const & swizzle(
  vecType<T> const & v,
  comp x, comp y, comp z);

template<typename T, template<typename> class vecType>
detail::tvec4<T> const & swizzle(
  vecType<T> const & v,
  comp x, comp y, comp z, comp w);

template<typename T, template<typename> class vecType>
T & swizzle(
  vecType<T> & v,
  comp x);

template<typename T, template<typename> class vecType>
detail::tref2<T> swizzle(
  vecType<T> & v,
  comp x, comp y);

template<typename T, template<typename> class vecType>
detail::tref3<T> swizzle(
  vecType<T> & v,
  comp x, comp y, comp z);

template<typename T, template<typename> class vecType>
detail::tref4<T> swizzle(
  vecType<T> & v,
  comp x, comp y, comp z, comp w);

#define static_swizzle1_const(TYPE, SIZE)                               \
    template<comp x>                                                    \
    GLM_FUNC_QUALIFIER TYPE swizzle(detail::tvec##SIZE<TYPE> const & v) \
    {                                                                   \
        return v[x];                                                    \
    }

#define static_swizzle1_ref(TYPE, SIZE)                             \
    template<comp x>                                                \
    GLM_FUNC_QUALIFIER TYPE & swizzle(detail::tvec##SIZE<TYPE> & v) \
    {                                                               \
        return v[x];                                                \
    }

static_swizzle1_ref(detail::float16, 2)
  static_swizzle1_ref(detail::float16, 3)
    static_swizzle1_ref(detail::float16, 4)
      static_swizzle1_ref(detail::float32, 2)
        static_swizzle1_ref(detail::float32, 3)
          static_swizzle1_ref(detail::float32, 4)
            static_swizzle1_ref(detail::float64, 2)
              static_swizzle1_ref(detail::float64, 3)
                static_swizzle1_ref(detail::float64, 4)

                  static_swizzle1_ref(detail::int8, 2)
                    static_swizzle1_ref(detail::int8, 3)
                      static_swizzle1_ref(detail::int8, 4)
                        static_swizzle1_ref(detail::int16, 2)
                          static_swizzle1_ref(detail::int16, 3)
                            static_swizzle1_ref(detail::int16, 4)
                              static_swizzle1_ref(detail::int32, 2)
                                static_swizzle1_ref(detail::int32, 3)
                                  static_swizzle1_ref(detail::int32, 4)
                                    static_swizzle1_ref(detail::int64, 2)
                                      static_swizzle1_ref(detail::int64, 3)
                                        static_swizzle1_ref(detail::int64, 4)

                                          static_swizzle1_ref(detail::uint8, 2)
                                            static_swizzle1_ref(detail::uint8, 3)
                                              static_swizzle1_ref(detail::uint8, 4)
                                                static_swizzle1_ref(detail::uint16, 2)
                                                  static_swizzle1_ref(detail::uint16, 3)
                                                    static_swizzle1_ref(detail::uint16, 4)
                                                      static_swizzle1_ref(detail::uint32, 2)
                                                        static_swizzle1_ref(detail::uint32, 3)
                                                          static_swizzle1_ref(detail::uint32, 4)
                                                            static_swizzle1_ref(detail::uint64, 2)
                                                              static_swizzle1_ref(detail::uint64, 3)
                                                                static_swizzle1_ref(detail::uint64, 4)
/*
#	define static_swizzle2_const(TYPE) \
		template <comp x, comp y> \
		GLM_FUNC_QUALIFIER TYPE swizzle(TYPE const & v) \
		{return TYPE(v[x], v[y]);}

#	define static_swizzle3_const(TYPE) \
		template <comp x, comp y, comp z> \
		GLM_FUNC_QUALIFIER TYPE swizzle(TYPE const & v) \
		{return TYPE(v[x], v[y], v[z]);}

#	define static_swizzle4_const(TYPE) \
		template <comp x, comp y, comp z, comp w> \
		GLM_FUNC_QUALIFIER TYPE swizzle(TYPE const & v) \
		{return TYPE(v[x], v[y], v[z], v[w]);}
*/

#define static_swizzle2_const(TYPE, SIZE)                                              \
    template<comp x, comp y>                                                           \
    GLM_FUNC_QUALIFIER detail::tvec2<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v) \
    {                                                                                  \
        return detail::tvec2<TYPE>(v[x], v[y]);                                        \
    }

#define static_swizzle3_const(TYPE, SIZE)                                              \
    template<comp x, comp y, comp z>                                                   \
    GLM_FUNC_QUALIFIER detail::tvec3<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v) \
    {                                                                                  \
        return detail::tvec3<TYPE>(v[x], v[y], v[z]);                                  \
    }

#define static_swizzle4_const(TYPE, SIZE)                                              \
    template<comp x, comp y, comp z, comp w>                                           \
    GLM_FUNC_QUALIFIER detail::tvec4<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v) \
    {                                                                                  \
        return detail::tvec4<TYPE>(v[x], v[y], v[z], v[w]);                            \
    }

                                                                  static_swizzle2_const(glm::f16, 2)
                                                                    static_swizzle2_const(glm::f16, 3)
                                                                      static_swizzle2_const(glm::f16, 4)
                                                                        static_swizzle2_const(glm::f32, 2)
                                                                          static_swizzle2_const(glm::f32, 3)
                                                                            static_swizzle2_const(glm::f32, 4)
                                                                              static_swizzle2_const(glm::f64, 2)
                                                                                static_swizzle2_const(glm::f64, 3)
                                                                                  static_swizzle2_const(glm::f64, 4)

                                                                                    static_swizzle2_const(glm::i8, 2)
                                                                                      static_swizzle2_const(glm::i8, 3)
                                                                                        static_swizzle2_const(glm::i8, 4)
                                                                                          static_swizzle2_const(glm::i16, 2)
                                                                                            static_swizzle2_const(glm::i16, 3)
                                                                                              static_swizzle2_const(glm::i16, 4)
                                                                                                static_swizzle2_const(glm::i32, 2)
                                                                                                  static_swizzle2_const(glm::i32, 3)
                                                                                                    static_swizzle2_const(glm::i32, 4)
                                                                                                      static_swizzle2_const(glm::i64, 2)
                                                                                                        static_swizzle2_const(glm::i64, 3)
                                                                                                          static_swizzle2_const(glm::i64, 4)

                                                                                                            static_swizzle2_const(glm::u8, 2)
                                                                                                              static_swizzle2_const(glm::u8, 3)
                                                                                                                static_swizzle2_const(glm::u8, 4)
                                                                                                                  static_swizzle2_const(glm::u16, 2)
                                                                                                                    static_swizzle2_const(glm::u16, 3)
                                                                                                                      static_swizzle2_const(glm::u16, 4)
                                                                                                                        static_swizzle2_const(glm::u32, 2)
                                                                                                                          static_swizzle2_const(glm::u32, 3)
                                                                                                                            static_swizzle2_const(glm::u32, 4)
                                                                                                                              static_swizzle2_const(glm::u64, 2)
                                                                                                                                static_swizzle2_const(glm::u64, 3)
                                                                                                                                  static_swizzle2_const(glm::u64, 4)

                                                                                                                                    static_swizzle3_const(glm::f16, 2)
                                                                                                                                      static_swizzle3_const(glm::f16, 3)
                                                                                                                                        static_swizzle3_const(glm::f16, 4)
                                                                                                                                          static_swizzle3_const(glm::f32, 2)
                                                                                                                                            static_swizzle3_const(glm::f32, 3)
                                                                                                                                              static_swizzle3_const(glm::f32, 4)
                                                                                                                                                static_swizzle3_const(glm::f64, 2)
                                                                                                                                                  static_swizzle3_const(glm::f64, 3)
                                                                                                                                                    static_swizzle3_const(glm::f64, 4)

                                                                                                                                                      static_swizzle3_const(glm::i8, 2)
                                                                                                                                                        static_swizzle3_const(glm::i8, 3)
                                                                                                                                                          static_swizzle3_const(glm::i8, 4)
                                                                                                                                                            static_swizzle3_const(glm::i16, 2)
                                                                                                                                                              static_swizzle3_const(glm::i16, 3)
                                                                                                                                                                static_swizzle3_const(glm::i16, 4)
                                                                                                                                                                  static_swizzle3_const(glm::i32, 2)
                                                                                                                                                                    static_swizzle3_const(glm::i32, 3)
                                                                                                                                                                      static_swizzle3_const(glm::i32, 4)
                                                                                                                                                                        static_swizzle3_const(glm::i64, 2)
                                                                                                                                                                          static_swizzle3_const(glm::i64, 3)
                                                                                                                                                                            static_swizzle3_const(glm::i64, 4)

                                                                                                                                                                              static_swizzle3_const(glm::u8, 2)
                                                                                                                                                                                static_swizzle3_const(glm::u8, 3)
                                                                                                                                                                                  static_swizzle3_const(glm::u8, 4)
                                                                                                                                                                                    static_swizzle3_const(glm::u16, 2)
                                                                                                                                                                                      static_swizzle3_const(glm::u16, 3)
                                                                                                                                                                                        static_swizzle3_const(glm::u16, 4)
                                                                                                                                                                                          static_swizzle3_const(glm::u32, 2)
                                                                                                                                                                                            static_swizzle3_const(glm::u32, 3)
                                                                                                                                                                                              static_swizzle3_const(glm::u32, 4)
                                                                                                                                                                                                static_swizzle3_const(glm::u64, 2)
                                                                                                                                                                                                  static_swizzle3_const(glm::u64, 3)
                                                                                                                                                                                                    static_swizzle3_const(glm::u64, 4)

                                                                                                                                                                                                      static_swizzle4_const(glm::f16, 2)
                                                                                                                                                                                                        static_swizzle4_const(glm::f16, 3)
                                                                                                                                                                                                          static_swizzle4_const(glm::f16, 4)
                                                                                                                                                                                                            static_swizzle4_const(glm::f32, 2)
                                                                                                                                                                                                              static_swizzle4_const(glm::f32, 3)
                                                                                                                                                                                                                static_swizzle4_const(glm::f32, 4)
                                                                                                                                                                                                                  static_swizzle4_const(glm::f64, 2)
                                                                                                                                                                                                                    static_swizzle4_const(glm::f64, 3)
                                                                                                                                                                                                                      static_swizzle4_const(glm::f64, 4)

                                                                                                                                                                                                                        static_swizzle4_const(glm::i8, 2)
                                                                                                                                                                                                                          static_swizzle4_const(glm::i8, 3)
                                                                                                                                                                                                                            static_swizzle4_const(glm::i8, 4)
                                                                                                                                                                                                                              static_swizzle4_const(glm::i16, 2)
                                                                                                                                                                                                                                static_swizzle4_const(glm::i16, 3)
                                                                                                                                                                                                                                  static_swizzle4_const(glm::i16, 4)
                                                                                                                                                                                                                                    static_swizzle4_const(glm::i32, 2)
                                                                                                                                                                                                                                      static_swizzle4_const(glm::i32, 3)
                                                                                                                                                                                                                                        static_swizzle4_const(glm::i32, 4)
                                                                                                                                                                                                                                          static_swizzle4_const(glm::i64, 2)
                                                                                                                                                                                                                                            static_swizzle4_const(glm::i64, 3)
                                                                                                                                                                                                                                              static_swizzle4_const(glm::i64, 4)

                                                                                                                                                                                                                                                static_swizzle4_const(glm::u8, 2)
                                                                                                                                                                                                                                                  static_swizzle4_const(glm::u8, 3)
                                                                                                                                                                                                                                                    static_swizzle4_const(glm::u8, 4)
                                                                                                                                                                                                                                                      static_swizzle4_const(glm::u16, 2)
                                                                                                                                                                                                                                                        static_swizzle4_const(glm::u16, 3)
                                                                                                                                                                                                                                                          static_swizzle4_const(glm::u16, 4)
                                                                                                                                                                                                                                                            static_swizzle4_const(glm::u32, 2)
                                                                                                                                                                                                                                                              static_swizzle4_const(glm::u32, 3)
                                                                                                                                                                                                                                                                static_swizzle4_const(glm::u32, 4)
                                                                                                                                                                                                                                                                  static_swizzle4_const(glm::u64, 2)
                                                                                                                                                                                                                                                                    static_swizzle4_const(glm::u64, 3)
                                                                                                                                                                                                                                                                      static_swizzle4_const(glm::u64, 4)

#define static_swizzle2_ref(TYPE, SIZE)                                               \
    template<glm::comp x, glm::comp y>                                                \
    GLM_FUNC_QUALIFIER glm::detail::tref2<TYPE> swizzle(detail::tvec##SIZE<TYPE> & v) \
    {                                                                                 \
        return glm::detail::tref2<TYPE>(v[x], v[y]);                                  \
    }

#define static_swizzle3_ref(TYPE, SIZE)                                               \
    template<glm::comp x, glm::comp y, glm::comp z>                                   \
    GLM_FUNC_QUALIFIER glm::detail::tref3<TYPE> swizzle(detail::tvec##SIZE<TYPE> & v) \
    {                                                                                 \
        return glm::detail::tref3<TYPE>(v[x], v[y], v[z]);                            \
    }

#define static_swizzle4_ref(TYPE, SIZE)                                               \
    template<glm::comp x, glm::comp y, glm::comp z, glm::comp w>                      \
    GLM_FUNC_QUALIFIER glm::detail::tref4<TYPE> swizzle(detail::tvec##SIZE<TYPE> & v) \
    {                                                                                 \
        return glm::detail::tref4<TYPE>(v[x], v[y], v[z], v[w]);                      \
    }

                                                                                                                                                                                                                                                                        static_swizzle2_ref(glm::f16, 2)
                                                                                                                                                                                                                                                                          static_swizzle2_ref(glm::f16, 3)
                                                                                                                                                                                                                                                                            static_swizzle2_ref(glm::f16, 4)
                                                                                                                                                                                                                                                                              static_swizzle2_ref(glm::f32, 2)
                                                                                                                                                                                                                                                                                static_swizzle2_ref(glm::f32, 3)
                                                                                                                                                                                                                                                                                  static_swizzle2_ref(glm::f32, 4)
                                                                                                                                                                                                                                                                                    static_swizzle2_ref(glm::f64, 2)
                                                                                                                                                                                                                                                                                      static_swizzle2_ref(glm::f64, 3)
                                                                                                                                                                                                                                                                                        static_swizzle2_ref(glm::f64, 4)

                                                                                                                                                                                                                                                                                          static_swizzle2_ref(glm::i8, 2)
                                                                                                                                                                                                                                                                                            static_swizzle2_ref(glm::i8, 3)
                                                                                                                                                                                                                                                                                              static_swizzle2_ref(glm::i8, 4)
                                                                                                                                                                                                                                                                                                static_swizzle2_ref(glm::i16, 2)
                                                                                                                                                                                                                                                                                                  static_swizzle2_ref(glm::i16, 3)
                                                                                                                                                                                                                                                                                                    static_swizzle2_ref(glm::i16, 4)
                                                                                                                                                                                                                                                                                                      static_swizzle2_ref(glm::i32, 2)
                                                                                                                                                                                                                                                                                                        static_swizzle2_ref(glm::i32, 3)
                                                                                                                                                                                                                                                                                                          static_swizzle2_ref(glm::i32, 4)
                                                                                                                                                                                                                                                                                                            static_swizzle2_ref(glm::i64, 2)
                                                                                                                                                                                                                                                                                                              static_swizzle2_ref(glm::i64, 3)
                                                                                                                                                                                                                                                                                                                static_swizzle2_ref(glm::i64, 4)

                                                                                                                                                                                                                                                                                                                  static_swizzle2_ref(glm::u8, 2)
                                                                                                                                                                                                                                                                                                                    static_swizzle2_ref(glm::u8, 3)
                                                                                                                                                                                                                                                                                                                      static_swizzle2_ref(glm::u8, 4)
                                                                                                                                                                                                                                                                                                                        static_swizzle2_ref(glm::u16, 2)
                                                                                                                                                                                                                                                                                                                          static_swizzle2_ref(glm::u16, 3)
                                                                                                                                                                                                                                                                                                                            static_swizzle2_ref(glm::u16, 4)
                                                                                                                                                                                                                                                                                                                              static_swizzle2_ref(glm::u32, 2)
                                                                                                                                                                                                                                                                                                                                static_swizzle2_ref(glm::u32, 3)
                                                                                                                                                                                                                                                                                                                                  static_swizzle2_ref(glm::u32, 4)
                                                                                                                                                                                                                                                                                                                                    static_swizzle2_ref(glm::u64, 2)
                                                                                                                                                                                                                                                                                                                                      static_swizzle2_ref(glm::u64, 3)
                                                                                                                                                                                                                                                                                                                                        static_swizzle2_ref(glm::u64, 4)

                                                                                                                                                                                                                                                                                                                                          static_swizzle3_ref(glm::f16, 3)
                                                                                                                                                                                                                                                                                                                                            static_swizzle3_ref(glm::f16, 4)
                                                                                                                                                                                                                                                                                                                                              static_swizzle3_ref(glm::f32, 3)
                                                                                                                                                                                                                                                                                                                                                static_swizzle3_ref(glm::f32, 4)
                                                                                                                                                                                                                                                                                                                                                  static_swizzle3_ref(glm::f64, 3)
                                                                                                                                                                                                                                                                                                                                                    static_swizzle3_ref(glm::f64, 4)

                                                                                                                                                                                                                                                                                                                                                      static_swizzle3_ref(glm::i8, 3)
                                                                                                                                                                                                                                                                                                                                                        static_swizzle3_ref(glm::i8, 4)
                                                                                                                                                                                                                                                                                                                                                          static_swizzle3_ref(glm::i16, 3)
                                                                                                                                                                                                                                                                                                                                                            static_swizzle3_ref(glm::i16, 4)
                                                                                                                                                                                                                                                                                                                                                              static_swizzle3_ref(glm::i32, 3)
                                                                                                                                                                                                                                                                                                                                                                static_swizzle3_ref(glm::i32, 4)
                                                                                                                                                                                                                                                                                                                                                                  static_swizzle3_ref(glm::i64, 3)
                                                                                                                                                                                                                                                                                                                                                                    static_swizzle3_ref(glm::i64, 4)

                                                                                                                                                                                                                                                                                                                                                                      static_swizzle3_ref(glm::u8, 3)
                                                                                                                                                                                                                                                                                                                                                                        static_swizzle3_ref(glm::u8, 4)
                                                                                                                                                                                                                                                                                                                                                                          static_swizzle3_ref(glm::u16, 3)
                                                                                                                                                                                                                                                                                                                                                                            static_swizzle3_ref(glm::u16, 4)
                                                                                                                                                                                                                                                                                                                                                                              static_swizzle3_ref(glm::u32, 3)
                                                                                                                                                                                                                                                                                                                                                                                static_swizzle3_ref(glm::u32, 4)
                                                                                                                                                                                                                                                                                                                                                                                  static_swizzle3_ref(glm::u64, 3)
                                                                                                                                                                                                                                                                                                                                                                                    static_swizzle3_ref(glm::u64, 4)

                                                                                                                                                                                                                                                                                                                                                                                      static_swizzle4_ref(glm::f16, 4)
                                                                                                                                                                                                                                                                                                                                                                                        static_swizzle4_ref(glm::f32, 4)
                                                                                                                                                                                                                                                                                                                                                                                          static_swizzle4_ref(glm::f64, 4)

                                                                                                                                                                                                                                                                                                                                                                                            static_swizzle4_ref(glm::i8, 4)
                                                                                                                                                                                                                                                                                                                                                                                              static_swizzle4_ref(glm::i16, 4)
                                                                                                                                                                                                                                                                                                                                                                                                static_swizzle4_ref(glm::i32, 4)
                                                                                                                                                                                                                                                                                                                                                                                                  static_swizzle4_ref(glm::i64, 4)

                                                                                                                                                                                                                                                                                                                                                                                                    static_swizzle4_ref(glm::u8, 4)
                                                                                                                                                                                                                                                                                                                                                                                                      static_swizzle4_ref(glm::u16, 4)
                                                                                                                                                                                                                                                                                                                                                                                                        static_swizzle4_ref(glm::u32, 4)
                                                                                                                                                                                                                                                                                                                                                                                                          static_swizzle4_ref(glm::u64, 4)

/// @}
} //namespace glm

#include "swizzle.inl"

#endif //GLM_GTC_swizzle
