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Turned Direction2 into a flags enum
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1 changed files with 39 additions and 37 deletions
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@ -7,47 +7,49 @@ namespace MLEM.Misc {
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/// <summary>
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/// An enum that represents two-dimensional directions.
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/// Both straight and diagonal directions are supported.
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/// There are several extension methods and arrays available in <see cref="Direction2Helper"/>.
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/// </summary>
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[Flags]
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public enum Direction2 {
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/// <summary>
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/// The up direction, or -y.
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/// </summary>
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Up,
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/// <summary>
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/// The right direction, or +x.
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/// </summary>
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Right,
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/// <summary>
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/// The down direction, or +y.
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/// </summary>
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Down,
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/// <summary>
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/// The left direction, or -x.
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/// </summary>
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Left,
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/// <summary>
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/// The up and right direction, or +x, -y.
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/// </summary>
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UpRight,
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/// <summary>
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/// The down and right direction, or +x, +y.
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/// </summary>
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DownRight,
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/// <summary>
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/// The down and left direction, or -x, +y.
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/// </summary>
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DownLeft,
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/// <summary>
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/// The up and left direction, or -x, -y.
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/// </summary>
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UpLeft,
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/// <summary>
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/// No direction.
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/// </summary>
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None
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None = 0,
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/// <summary>
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/// The up direction, or -y.
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/// </summary>
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Up = 1,
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/// <summary>
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/// The right direction, or +x.
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/// </summary>
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Right = 2,
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/// <summary>
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/// The down direction, or +y.
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/// </summary>
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Down = 4,
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/// <summary>
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/// The left direction, or -x.
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/// </summary>
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Left = 8,
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/// <summary>
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/// The up and right direction, or +x, -y.
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/// </summary>
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UpRight = Up | Right,
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/// <summary>
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/// The down and right direction, or +x, +y.
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/// </summary>
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DownRight = Down | Right,
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/// <summary>
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/// The up and left direction, or -x, -y.
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/// </summary>
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UpLeft = Up | Left,
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/// <summary>
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/// The down and left direction, or -x, +y.
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/// </summary>
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DownLeft = Down | Left
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}
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@ -80,7 +82,7 @@ namespace MLEM.Misc {
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/// <param name="dir">The direction to query</param>
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/// <returns>Whether the direction is adjacent</returns>
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public static bool IsAdjacent(this Direction2 dir) {
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return dir <= Direction2.Left;
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return dir == Direction2.Up || dir == Direction2.Right || dir == Direction2.Down || dir == Direction2.Left;
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}
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/// <summary>
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@ -89,7 +91,7 @@ namespace MLEM.Misc {
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/// <param name="dir">The direction to query</param>
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/// <returns>Whether the direction is diagonal</returns>
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public static bool IsDiagonal(this Direction2 dir) {
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return dir >= Direction2.UpRight && dir <= Direction2.UpLeft;
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return dir == Direction2.UpRight || dir == Direction2.DownRight || dir == Direction2.UpLeft || dir == Direction2.DownLeft;
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}
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/// <summary>
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