DungeonTemplateLibrary/include/DTL/Retouch/Average.hpp at master · AsPJT/DungeonTemplateLibrary · GitHub

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/*#######################################################################################
	Copyright (c) 2017-2019 Kasugaccho
	Copyright (c) 2018-2019 As Project
	https://github.com/Kasugaccho/DungeonTemplateLibrary
	wanotaitei@gmail.com

	Distributed under the Boost Software License, Version 1.0. (See accompanying
	file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#######################################################################################*/
#ifndef INCLUDED_DUNGEON_TEMPLATE_LIBRARY_DTL_RETOUCH_AVERAGE_HPP
#define INCLUDED_DUNGEON_TEMPLATE_LIBRARY_DTL_RETOUCH_AVERAGE_HPP

/*#######################################################################################
	日本語リファレンス (Reference-JP)
	https://github.com/Kasugaccho/DungeonTemplateLibrary/wiki/dtl::retouch::Average-(修正クラス)/
#######################################################################################*/

#include <DTL/Macros/constexpr.hpp>
#include <DTL/Type/SizeT.hpp>
#include <DTL/Range/RectBase.hpp>
#include <DTL/Utility/DrawJagged.hpp>

/*#######################################################################################
	[概要] "dtl名前空間"とは"DungeonTemplateLibrary"の全ての機能が含まれる名前空間である。
	[Summary] The "dtl" is a namespace that contains all the functions of "DungeonTemplateLibrary".
#######################################################################################*/
namespace dtl {
	inline namespace retouch { //"dtl::retouch"名前空間に属する

		//マスを指定した数値で埋める
		template<typename Matrix_Var_>
		class Average : public ::dtl::range::RectBase<Average<Matrix_Var_>>,
			public ::dtl::utility::DrawJagged<Average<Matrix_Var_>, Matrix_Var_> {
		private:


			///// エイリアス (Alias) /////

			using Index_Size = ::dtl::type::size;
			using ShapeBase_t = ::dtl::range::RectBase<Average>;
			using DrawBase_t = ::dtl::utility::DrawJagged<Average, Matrix_Var_>;

			friend DrawBase_t;


			///// 基本処理 /////

			//STL
			template<typename Matrix_, typename ...Args_>
			DTL_VERSIONING_CPP14_CONSTEXPR
				typename DTL_TYPE_ENABLE_IF<Matrix_::is_jagged::value, bool>::DTL_TYPE_EITYPE
				drawNormal(Matrix_&& matrix_, Args_&& ... args_) const noexcept {
				const Index_Size end_y_{ this->calcEndY(matrix_.getY()) };

				if ((end_y_ - this->start_y) <= 0.0) return true;
				double index_size{};
				double sum_value{};
				for (Index_Size row{ this->start_y }; row < end_y_; ++row) {
					const Index_Size end_x_{ this->calcEndX(matrix_.getX(row)) };
					for (Index_Size col{ this->start_x }; col < end_x_; ++col) {
						index_size += 1.0;
						sum_value += static_cast<double>(matrix_.get(col, row));
					}
				}

				if (index_size <= 0.0) return true;
				const Matrix_Var_ average_value{ static_cast<Matrix_Var_>(sum_value / index_size) };

				for (Index_Size row{ this->start_y }; row < end_y_; ++row) {
					const Index_Size end_x_{ this->calcEndX(matrix_.getX(row)) };
					for (Index_Size col{ this->start_x }; col < end_x_; ++col)
						matrix_.set(col, row, average_value, args_...);
				}
				return true;
			}

			//Normal
			template<typename Matrix_, typename ...Args_>
			DTL_VERSIONING_CPP14_CONSTEXPR
				typename DTL_TYPE_ENABLE_IF<!Matrix_::is_jagged::value, bool>::DTL_TYPE_EITYPE
				drawNormal(Matrix_&& matrix_, Args_&& ... args_) const noexcept {
				const Index_Size end_x_{ this->calcEndX(matrix_.getX()) };
				const Index_Size end_y_{ this->calcEndY(matrix_.getY()) };

				const double index_size{ static_cast<double>((end_x_ - this->start_x) * (end_y_ - this->start_y)) };
				if (index_size <= 0.0) return true;
				double sum_value{};
				for (Index_Size row{ this->start_y }; row < end_y_; ++row)
					for (Index_Size col{ this->start_x }; col < end_x_; ++col)
						sum_value += static_cast<double>(matrix_.get(col, row));

				const Matrix_Var_ average_value{ static_cast<Matrix_Var_>(sum_value / index_size) };

				for (Index_Size row{ this->start_y }; row < end_y_; ++row)
					for (Index_Size col{ this->start_x }; col < end_x_; ++col)
						matrix_.set(col, row, average_value, args_...);
				return true;
			}

		public:


			///// コンストラクタ (Constructor) /////

			using ShapeBase_t::ShapeBase_t;
		};
	}
}

#endif //Included Dungeon Template Library