direction_type.h

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/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#ifndef DIRECTION_TYPE_H
#define DIRECTION_TYPE_H
 
#include "core/enum_type.hpp"

enum class Direction : uint8_t {
  Begin = 0, 
  N = 0, 
  NE = 1, 
  E = 2, 
  SE = 3, 
  S = 4, 
  SW = 5, 
  W = 6, 
  NW = 7, 
  End, 
  Invalid = 0xFF, 
};

using Directions = EnumBitSet<Direction, uint8_t>;

static constexpr Directions DIRECTIONS_ALL{Direction::N, Direction::NE, Direction::E, Direction::SE, Direction::S, Direction::SW, Direction::W, Direction::NW};

template <typename T>
using DirectionIndexArray = EnumIndexArray<T, Direction, Direction::End>;

enum class DirDiff : uint8_t {
  Same = 0, 
  Right45 = 1, 
  Right90 = 2, 
  Reverse = 4, 
  Left90 = 6, 
  Left45 = 7, 
};
 

enum class DiagDirection : uint8_t {
  Begin = 0, 
  NE = 0, 
  SE = 1, 
  SW = 2, 
  NW = 3, 
  End, 
  Invalid = 0xFF, 
};
DECLARE_INCREMENT_DECREMENT_OPERATORS(DiagDirection)
DECLARE_ENUM_AS_ADDABLE(DiagDirection)
 

using DiagDirections = EnumBitSet<DiagDirection, uint8_t>;

static constexpr DiagDirections DIAGDIRECTIONS_ALL{DiagDirection::NE, DiagDirection::SE, DiagDirection::SW, DiagDirection::NW};

template <typename T>
using DiagDirectionIndexArray = EnumIndexArray<T, DiagDirection, DiagDirection::End>;

enum class DiagDirDiff : uint8_t {
  Same = 0, 
  Right90 = 1, 
  Reverse = 2, 
  Left90 = 3, 
};

enum class Axis : uint8_t {
  X = 0, 
  Y = 1, 
  End, 
  Invalid = 0xFF, 
};
DECLARE_ENUM_AS_ADDABLE(Axis)
 

template <typename T>
using AxisIndexArray = EnumIndexArray<T, Axis, Axis::End>;
 
#endif /* DIRECTION_TYPE_H */