mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2025-08-03 12:49:50 +00:00
fix darkroom: add alpha and refraction material parameter
This commit is contained in:
bolero-MURAKAMI
parent
4b5dd8ccc5
commit
014d339803
7 changed files with 263 additions and 81 deletions
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@ -8,9 +8,12 @@
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#ifndef SPROUT_DARKROOM_MATERIALS_MATERIAL_HPP
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#define SPROUT_DARKROOM_MATERIALS_MATERIAL_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/tuple/tuple.hpp>
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#include <sprout/tuple/indexes.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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#include <sprout/darkroom/access/access.hpp>
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#include <sprout/darkroom/colors/rgb.hpp>
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#include <sprout/darkroom/materials/calculate.hpp>
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@ -19,10 +22,40 @@ namespace sprout {
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namespace darkroom {
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namespace materials {
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//
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// color
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// reflection
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// material
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//
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typedef sprout::tuples::tuple<sprout::darkroom::colors::rgb_f_t, double, double, double> material;
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//
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// has_color
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// has_reflection
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// has_alpha
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// has_refraction
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//
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template<typename T>
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struct has_color
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: public sprout::integral_constant<bool, (sprout::darkroom::access::size<T>::value >= 1)>
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{};
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template<typename T>
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struct has_reflection
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: public sprout::integral_constant<bool, (sprout::darkroom::access::size<T>::value >= 2)>
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{};
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template<typename T>
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struct has_alpha
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: public sprout::integral_constant<bool, (sprout::darkroom::access::size<T>::value >= 3)>
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{};
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template<typename T>
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struct has_refraction
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: public sprout::integral_constant<bool, (sprout::darkroom::access::size<T>::value >= 4)>
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{};
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//
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// color
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//
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template<
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typename T,
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typename sprout::enabler_if<sprout::darkroom::materials::has_color<typename std::decay<T>::type>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR auto
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color(T&& t)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<0>(sprout::forward<T>(t))))
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@ -30,7 +63,23 @@ namespace sprout {
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{
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return sprout::darkroom::access::get<0>(sprout::forward<T>(t));
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}
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template<typename T>
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template<
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typename T,
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typename sprout::enabler_if<!sprout::darkroom::materials::has_color<typename std::decay<T>::type>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR typename sprout::darkroom::access::element<0, sprout::darkroom::materials::material>::type
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color(T&&)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR((typename sprout::darkroom::access::element<0, sprout::darkroom::materials::material>::type())))
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{
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return typename sprout::darkroom::access::element<0, sprout::darkroom::materials::material>::type();
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}
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//
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// reflection
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//
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template<
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typename T,
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typename sprout::enabler_if<sprout::darkroom::materials::has_reflection<typename std::decay<T>::type>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR auto
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reflection(T&& t)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<1>(sprout::forward<T>(t))))
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@ -38,37 +87,97 @@ namespace sprout {
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{
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return sprout::darkroom::access::get<1>(sprout::forward<T>(t));
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}
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template<
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typename T,
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typename sprout::enabler_if<!sprout::darkroom::materials::has_reflection<typename std::decay<T>::type>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR typename sprout::darkroom::access::element<1, sprout::darkroom::materials::material>::type
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reflection(T&&)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR((typename sprout::darkroom::access::element<1, sprout::darkroom::materials::material>::type())))
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{
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return typename sprout::darkroom::access::element<1, sprout::darkroom::materials::material>::type();
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}
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//
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// alpha
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//
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template<
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typename T,
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typename sprout::enabler_if<sprout::darkroom::materials::has_alpha<typename std::decay<T>::type>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR auto
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alpha(T&& t)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<2>(sprout::forward<T>(t))))
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-> decltype(sprout::darkroom::access::get<2>(sprout::forward<T>(t)))
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{
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return sprout::darkroom::access::get<2>(sprout::forward<T>(t));
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}
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template<
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typename T,
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typename sprout::enabler_if<!sprout::darkroom::materials::has_alpha<typename std::decay<T>::type>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR typename sprout::darkroom::access::element<2, sprout::darkroom::materials::material>::type
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alpha(T&&)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR((typename sprout::darkroom::access::element<2, sprout::darkroom::materials::material>::type())))
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{
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return typename sprout::darkroom::access::element<2, sprout::darkroom::materials::material>::type();
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}
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//
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// refraction
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//
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template<
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typename T,
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typename sprout::enabler_if<sprout::darkroom::materials::has_refraction<typename std::decay<T>::type>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR auto
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refraction(T&& t)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<3>(sprout::forward<T>(t))))
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-> decltype(sprout::darkroom::access::get<3>(sprout::forward<T>(t)))
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{
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return sprout::darkroom::access::get<3>(sprout::forward<T>(t));
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}
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template<
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typename T,
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typename sprout::enabler_if<!sprout::darkroom::materials::has_refraction<typename std::decay<T>::type>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR typename sprout::darkroom::access::element<3, sprout::darkroom::materials::material>::type
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refraction(T&&)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR((typename sprout::darkroom::access::element<3, sprout::darkroom::materials::material>::type())))
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{
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return typename sprout::darkroom::access::element<1, sprout::darkroom::materials::material>::type();
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}
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//
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// calculate_material
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//
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namespace detail {
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template<typename Material, typename Unit, sprout::index_t... Indexes>
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inline SPROUT_CONSTEXPR auto
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calculate_material_impl(Material const& mat, Unit const& u, Unit const& v, sprout::index_tuple<Indexes...>)
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-> decltype(sprout::tuples::make_tuple(
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sprout::darkroom::materials::calculate(sprout::darkroom::access::get<Indexes>(mat), u, v)...
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))
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{
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return sprout::tuples::make_tuple(
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sprout::darkroom::materials::calculate(sprout::darkroom::access::get<Indexes>(mat), u, v)...
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);
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}
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} // namespace detail
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template<typename Material, typename Unit>
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inline SPROUT_CONSTEXPR auto
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calculate_material(Material const& mat, Unit const& u, Unit const& v)
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-> decltype(sprout::tuples::make_tuple(
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sprout::darkroom::materials::calculate(sprout::darkroom::materials::color(mat), u, v),
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sprout::darkroom::materials::calculate(sprout::darkroom::materials::reflection(mat), u, v)
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))
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-> decltype(sprout::darkroom::materials::detail::calculate_material_impl(mat, u, v, sprout::tuples::tuple_indexes<Material>::make()))
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{
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return sprout::tuples::make_tuple(
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sprout::darkroom::materials::calculate(sprout::darkroom::materials::color(mat), u, v),
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sprout::darkroom::materials::calculate(sprout::darkroom::materials::reflection(mat), u, v)
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);
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return sprout::darkroom::materials::detail::calculate_material_impl(mat, u, v, sprout::tuples::tuple_indexes<Material>::make());
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}
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//
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// make_material_image
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//
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template<typename ColorImage, typename ReflectionImage>
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inline SPROUT_CONSTEXPR sprout::tuples::tuple<ColorImage, ReflectionImage>
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make_material_image(ColorImage const& col, ReflectionImage const& ref) {
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return sprout::tuples::make_tuple(col, ref);
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template<typename... Images>
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inline SPROUT_CONSTEXPR sprout::tuples::tuple<Images...>
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make_material_image(Images const&... images) {
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return sprout::tuples::make_tuple(images...);
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}
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//
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// material
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//
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typedef sprout::tuples::tuple<sprout::darkroom::colors::rgb_f_t, double> material;
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} // namespace materials
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} // namespace darkroom
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} // namespace sprout
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