From a8b3118e8305fd1c668ea25e07157b625c9747ff Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Sat, 10 Apr 2021 17:29:02 +0000
Subject: add glm headers

---
 src/include/glm/gtx/io.inl | 440 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 440 insertions(+)
 create mode 100644 src/include/glm/gtx/io.inl

(limited to 'src/include/glm/gtx/io.inl')

diff --git a/src/include/glm/gtx/io.inl b/src/include/glm/gtx/io.inl
new file mode 100644
index 0000000..0b374bb
--- /dev/null
+++ b/src/include/glm/gtx/io.inl
@@ -0,0 +1,440 @@
+/// @ref gtx_io
+/// @author Jan P Springer (regnirpsj@gmail.com)
+
+#include <iomanip>                  // std::fixed, std::setfill<>, std::setprecision, std::right, std::setw
+#include <ostream>                  // std::basic_ostream<>
+#include "../gtc/matrix_access.hpp" // glm::col, glm::row
+#include "../gtx/type_trait.hpp"    // glm::type<>
+
+namespace glm{
+namespace io
+{
+	template<typename CTy>
+	GLM_FUNC_QUALIFIER format_punct<CTy>::format_punct(size_t a)
+		: std::locale::facet(a)
+		, formatted(true)
+		, precision(3)
+		, width(1 + 4 + 1 + precision)
+		, separator(',')
+		, delim_left('[')
+		, delim_right(']')
+		, space(' ')
+		, newline('\n')
+		, order(column_major)
+	{}
+
+	template<typename CTy>
+	GLM_FUNC_QUALIFIER format_punct<CTy>::format_punct(format_punct const& a)
+		: std::locale::facet(0)
+		, formatted(a.formatted)
+		, precision(a.precision)
+		, width(a.width)
+		, separator(a.separator)
+		, delim_left(a.delim_left)
+		, delim_right(a.delim_right)
+		, space(a.space)
+		, newline(a.newline)
+		, order(a.order)
+	{}
+
+	template<typename CTy> std::locale::id format_punct<CTy>::id;
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER basic_state_saver<CTy, CTr>::basic_state_saver(std::basic_ios<CTy, CTr>& a)
+		: state_(a)
+		, flags_(a.flags())
+		, precision_(a.precision())
+		, width_(a.width())
+		, fill_(a.fill())
+		, locale_(a.getloc())
+	{}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER basic_state_saver<CTy, CTr>::~basic_state_saver()
+	{
+		state_.imbue(locale_);
+		state_.fill(fill_);
+		state_.width(width_);
+		state_.precision(precision_);
+		state_.flags(flags_);
+	}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER basic_format_saver<CTy, CTr>::basic_format_saver(std::basic_ios<CTy, CTr>& a)
+		: bss_(a)
+	{
+		a.imbue(std::locale(a.getloc(), new format_punct<CTy>(get_facet<format_punct<CTy> >(a))));
+	}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER
+	basic_format_saver<CTy, CTr>::~basic_format_saver()
+	{}
+
+	GLM_FUNC_QUALIFIER precision::precision(unsigned a)
+		: value(a)
+	{}
+
+	GLM_FUNC_QUALIFIER width::width(unsigned a)
+		: value(a)
+	{}
+
+	template<typename CTy>
+	GLM_FUNC_QUALIFIER delimeter<CTy>::delimeter(CTy a, CTy b, CTy c)
+		: value()
+	{
+		value[0] = a;
+		value[1] = b;
+		value[2] = c;
+	}
+
+	GLM_FUNC_QUALIFIER order::order(order_type a)
+		: value(a)
+	{}
+
+	template<typename FTy, typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER FTy const& get_facet(std::basic_ios<CTy, CTr>& ios)
+	{
+		if(!std::has_facet<FTy>(ios.getloc()))
+			ios.imbue(std::locale(ios.getloc(), new FTy));
+
+		return std::use_facet<FTy>(ios.getloc());
+	}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER std::basic_ios<CTy, CTr>& formatted(std::basic_ios<CTy, CTr>& ios)
+	{
+		const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(ios)).formatted = true;
+		return ios;
+	}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER std::basic_ios<CTy, CTr>& unformatted(std::basic_ios<CTy, CTr>& ios)
+	{
+		const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(ios)).formatted = false;
+		return ios;
+	}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, precision const& a)
+	{
+		const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).precision = a.value;
+		return os;
+	}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, width const& a)
+	{
+		const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).width = a.value;
+		return os;
+	}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER  std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, delimeter<CTy> const& a)
+	{
+		format_punct<CTy> & fmt(const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)));
+
+		fmt.delim_left  = a.value[0];
+		fmt.delim_right = a.value[1];
+		fmt.separator   = a.value[2];
+
+		return os;
+	}
+
+	template<typename CTy, typename CTr>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, order const& a)
+	{
+		const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).order = a.value;
+		return os;
+	}
+} // namespace io
+
+namespace detail
+{
+	template<typename CTy, typename CTr, typename V>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>&
+	print_vector_on(std::basic_ostream<CTy, CTr>& os, V const& a)
+	{
+		typename std::basic_ostream<CTy, CTr>::sentry const cerberus(os);
+
+		if(cerberus)
+		{
+			io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
+
+			length_t const& components(type<V>::components);
+
+			if(fmt.formatted)
+			{
+				io::basic_state_saver<CTy> const bss(os);
+
+				os << std::fixed << std::right << std::setprecision(fmt.precision) << std::setfill(fmt.space) << fmt.delim_left;
+
+				for(length_t i(0); i < components; ++i)
+				{
+					os << std::setw(fmt.width) << a[i];
+					if(components-1 != i)
+						os << fmt.separator;
+				}
+
+				os << fmt.delim_right;
+			}
+			else
+			{
+				for(length_t i(0); i < components; ++i)
+				{
+					os << a[i];
+
+					if(components-1 != i)
+						os << fmt.space;
+				}
+			}
+		}
+
+		return os;
+	}
+}//namespace detail
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, qua<T, Q> const& a)
+	{
+		return detail::print_vector_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<1, T, Q> const& a)
+	{
+		return detail::print_vector_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<2, T, Q> const& a)
+	{
+		return detail::print_vector_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<3, T, Q> const& a)
+	{
+		return detail::print_vector_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<4, T, Q> const& a)
+	{
+		return detail::print_vector_on(os, a);
+	}
+
+namespace detail
+{
+	template<typename CTy, typename CTr, template<length_t, length_t, typename, qualifier> class M, length_t C, length_t R, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& print_matrix_on(std::basic_ostream<CTy, CTr>& os, M<C, R, T, Q> const& a)
+	{
+		typename std::basic_ostream<CTy,CTr>::sentry const cerberus(os);
+
+		if(cerberus)
+		{
+			io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
+
+			length_t const& cols(type<M<C, R, T, Q> >::cols);
+			length_t const& rows(type<M<C, R, T, Q> >::rows);
+
+			if(fmt.formatted)
+			{
+				os << fmt.newline << fmt.delim_left;
+
+				switch(fmt.order)
+				{
+					case io::column_major:
+					{
+						for(length_t i(0); i < rows; ++i)
+						{
+							if (0 != i)
+								os << fmt.space;
+
+							os << row(a, i);
+
+							if(rows-1 != i)
+								os << fmt.newline;
+						}
+					}
+					break;
+
+					case io::row_major:
+					{
+						for(length_t i(0); i < cols; ++i)
+						{
+							if(0 != i)
+								os << fmt.space;
+
+							os << column(a, i);
+
+							if(cols-1 != i)
+								os << fmt.newline;
+						}
+					}
+					break;
+				}
+
+				os << fmt.delim_right;
+			}
+			else
+			{
+				switch (fmt.order)
+				{
+					case io::column_major:
+					{
+						for(length_t i(0); i < cols; ++i)
+						{
+							os << column(a, i);
+
+							if(cols - 1 != i)
+								os << fmt.space;
+						}
+					}
+					break;
+
+					case io::row_major:
+					{
+						for (length_t i(0); i < rows; ++i)
+						{
+							os << row(a, i);
+
+							if (rows-1 != i)
+								os << fmt.space;
+						}
+					}
+					break;
+				}
+			}
+		}
+
+		return os;
+	}
+}//namespace detail
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 2, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 3, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 4, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 2, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 3, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 4, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 2, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 3, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 4, T, Q> const& a)
+	{
+		return detail::print_matrix_on(os, a);
+	}
+
+namespace detail
+{
+	template<typename CTy, typename CTr, template<length_t, length_t, typename, qualifier> class M, length_t C, length_t R, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& print_matrix_pair_on(std::basic_ostream<CTy, CTr>& os, std::pair<M<C, R, T, Q> const, M<C, R, T, Q> const> const& a)
+	{
+		typename std::basic_ostream<CTy,CTr>::sentry const cerberus(os);
+
+		if(cerberus)
+		{
+			io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
+			M<C, R, T, Q> const& ml(a.first);
+			M<C, R, T, Q> const& mr(a.second);
+			length_t const& cols(type<M<C, R, T, Q> >::cols);
+			length_t const& rows(type<M<C, R, T, Q> >::rows);
+
+			if(fmt.formatted)
+			{
+				os << fmt.newline << fmt.delim_left;
+
+				switch(fmt.order)
+				{
+					case io::column_major:
+					{
+						for(length_t i(0); i < rows; ++i)
+						{
+							if(0 != i)
+								os << fmt.space;
+
+							os << row(ml, i) << ((rows-1 != i) ? fmt.space : fmt.delim_right) << fmt.space << ((0 != i) ? fmt.space : fmt.delim_left) << row(mr, i);
+
+							if(rows-1 != i)
+								os << fmt.newline;
+						}
+					}
+					break;
+					case io::row_major:
+					{
+						for(length_t i(0); i < cols; ++i)
+						{
+							if(0 != i)
+								os << fmt.space;
+
+							os << column(ml, i) << ((cols-1 != i) ? fmt.space : fmt.delim_right) << fmt.space << ((0 != i) ? fmt.space : fmt.delim_left) << column(mr, i);
+
+							if(cols-1 != i)
+								os << fmt.newline;
+						}
+					}
+					break;
+				}
+
+				os << fmt.delim_right;
+			}
+			else
+			{
+				os << ml << fmt.space << mr;
+			}
+		}
+
+		return os;
+	}
+}//namespace detail
+
+	template<typename CTy, typename CTr, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(
+		std::basic_ostream<CTy, CTr> & os,
+		std::pair<mat<4, 4, T, Q> const,
+		mat<4, 4, T, Q> const> const& a)
+	{
+		return detail::print_matrix_pair_on(os, a);
+	}
+}//namespace glm
-- 
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