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MazeBar.hpp
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/*#######################################################################################
Copyright (c) 2017-2019 Kasugaccho
Copyright (c) 2018-2019 As Project
https://github.com/Kasugaccho/DungeonTemplateLibrary
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_SHAPE_MAZE_BAR_HPP
#define INCLUDED_DUNGEON_TEMPLATE_LIBRARY_DTL_SHAPE_MAZE_BAR_HPP
/*#######################################################################################
日本語リファレンス (Reference-JP)
https://github.com/Kasugaccho/DungeonTemplateLibrary/wiki/dtl::shape::MazeBar-(形状クラス)/
#######################################################################################*/
#include <array>
#include <DTL/Base/Struct.hpp>
#include <DTL/Macros/constexpr.hpp>
#include <DTL/Macros/nodiscard.hpp>
#include <DTL/Random/RandomEngine.hpp>
#include <DTL/Range/RectBaseMaze.hpp>
#include <DTL/Type/Forward.hpp>
#include <DTL/Type/SizeT.hpp>
#include <DTL/Type/SSizeT.hpp>
#include <DTL/Utility/DrawJaggedRandom.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 shape { //"dtl::shape"名前空間に属する
/*#######################################################################################
[概要] MazeBarとは "Matrixの描画範囲に描画値を設置する" 機能を持つクラスである。
[Summary] MazeBar is a class that sets drawing values in the drawing range of Matrix.
#######################################################################################*/
template<typename Matrix_Var_, typename Random_Engine_ = DTL_RANDOM_DEFAULT_RANDOM>
class MazeBar : public ::dtl::range::RectBaseMaze<MazeBar<Matrix_Var_>, Matrix_Var_>,
public ::dtl::utility::DrawJaggedRandom<MazeBar<Matrix_Var_>, Matrix_Var_, Random_Engine_> {
private:
///// エイリアス (Alias) /////
using Index_Size = ::dtl::type::size;
using ShapeBase_t = ::dtl::range::RectBaseMaze<MazeBar, Matrix_Var_>;
using DrawBase_t = ::dtl::utility::DrawJaggedRandom<MazeBar, Matrix_Var_, Random_Engine_>;
friend DrawBase_t;
///// 基本処理 /////
template<typename Matrix_, typename ...Args_>
DTL_VERSIONING_CPP14_CONSTEXPR
bool drawNormal(Matrix_&& matrix_, Random_Engine_&& random_engine_, Args_&& ... args_) const noexcept {
const Index_Size end_x_{ this->calcEndX(matrix_.getX()) };
const Index_Size end_y_{ this->calcEndY(matrix_.getY()) };
if (end_x_ <= this->start_x || end_y_ <= this->start_y) return true;
for (Index_Size col{ this->start_x }; col < end_x_; ++col) {
matrix_.set(col, this->start_y, this->wall_value, args_...);
if ((end_y_ - this->start_y) % 2 == 0) matrix_.set(col, end_y_ - 2, this->wall_value, args_...);
matrix_.set(col, end_y_ - 1, this->wall_value, args_...);
}
for (Index_Size row{ this->start_y }; row < end_y_; ++row) {
matrix_.set(this->start_x, row, this->wall_value, args_...);
if ((end_x_ - this->start_x) % 2 == 0) matrix_.set(end_x_ - 2, row, this->wall_value, args_...);
matrix_.set(end_x_ - 1, row, this->wall_value, args_...);
}
for (Index_Size row{ this->start_y }; row < end_y_; row += 2)
for (Index_Size col{ this->start_x }; col < end_x_; col += 2)
matrix_.set(col, row, this->wall_value, args_...);
const Index_Size size_x{ end_x_ - this->start_x };
const Index_Size size_y{ end_y_ - this->start_y };
//4つのベクトルを用意しておく
::std::array<::dtl::type::ssize, 4> dx{ { 1, 0, -1, 0 } };
::std::array<::dtl::type::ssize, 4> dy{ { 0, 1, 0, -1 } };
//乱数エンジンを構築 (Clang3.7以下で実行するために{}ではなく=で初期化する)
auto&& random_range_0to3 = random_engine_.makeUniformDistribution(0, 3);
auto&& random_range_0to2 = random_engine_.makeUniformDistribution(0, 2);
auto&& re = random_engine_.getEngine();
for (::dtl::type::size y{ 2 }; y < size_y - 2; y += 2)
for (::dtl::type::size x{ 2 }; x < size_x - 2; x += 2)
for (::dtl::type::size i{}; i < 4; ++i) {
::dtl::type::size direction{ (y == 2) ? static_cast<::dtl::type::size>(random_range_0to3(re)) : static_cast<::dtl::type::size>(random_range_0to2(re)) };
if (matrix_.get(this->start_x + x + dx[direction], this->start_y + y + dy[direction]) == this->empty_value) {
matrix_.set(this->start_x + x + dx[direction], this->start_y + y + dy[direction], this->wall_value, args_...);
break;
}
}
return true;
}
public:
///// コンストラクタ (Constructor) /////
using ShapeBase_t::ShapeBase_t;
};
}
}
#endif //Included Dungeon Template Library