b12de6fe12
Identified and removed an instance of Direction being used as an argument for a bool parameter Removed a single-use temporary variable being cast from sprite frame to direction to size_t Co-authored-by: Anders Jenbo <anders@jenbo.dk> Fix alignment of WalkSettings array
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
#pragma once
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#include <cstdint>
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#include <type_traits>
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namespace devilution {
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enum class Direction : std::uint8_t {
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South,
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SouthWest,
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West,
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NorthWest,
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North,
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NorthEast,
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East,
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SouthEast,
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};
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/** Maps from direction to a left turn from the direction. */
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constexpr Direction Left(Direction facing)
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{
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//Direction left[8] = { Direction::SouthEast, Direction::South, Direction::SouthWest, Direction::West, Direction::NorthWest, Direction::North, Direction::NorthEast, Direction::East };
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return static_cast<Direction>((static_cast<std::underlying_type_t<Direction>>(facing) + 7) % 8);
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}
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/** Maps from direction to a right turn from the direction. */
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constexpr Direction Right(Direction facing)
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{
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//Direction right[8] = { Direction::SouthWest, Direction::West, Direction::NorthWest, Direction::North, Direction::NorthEast, Direction::East, Direction::SouthEast, Direction::South };
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return static_cast<Direction>((static_cast<std::underlying_type_t<Direction>>(facing) + 1) % 8);
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}
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/** Maps from direction to the opposite direction. */
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constexpr Direction Opposite(Direction facing)
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{
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//Direction opposite[8] = { Direction::North, Direction::NorthEast, Direction::East, Direction::SouthEast, Direction::South, Direction::SouthWest, Direction::West, Direction::NorthWest };
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return static_cast<Direction>((static_cast<std::underlying_type_t<Direction>>(facing) + 4) % 8);
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}
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} // namespace devilution
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