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Convert Hexapawn to common library

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Andrew Cooper
2022-03-18 07:05:27 +11:00
parent 455fea9609
commit 1a8ea5aabd
18 changed files with 527 additions and 603 deletions
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123
46_Hexapawn/csharp/Move.cs
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@@ -1,68 +1,67 @@
using static Hexapawn.Pawn;
namespace Hexapawn
namespace Hexapawn;
/// <summary>
/// Represents a move which may, or may not, be legal.
/// </summary>
internal class Move
{
/// <summary>
/// Represents a move which may, or may not, be legal.
/// </summary>
internal class Move
private readonly Cell _from;
private readonly Cell _to;
private readonly int _metric;
public Move(Cell from, Cell to)
{
private readonly Cell _from;
private readonly Cell _to;
private readonly int _metric;
public Move(Cell from, Cell to)
{
_from = from;
_to = to;
_metric = _from - _to;
}
public void Deconstruct(out Cell from, out Cell to)
{
from = _from;
to = _to;
}
public Cell From => _from;
// Produces the mirror image of the current moved, reflected around the central column of the board.
public Move Reflected => (_from.Reflected, _to.Reflected);
// Allows a tuple of two ints to be implicitly converted to a Move.
public static implicit operator Move((int From, int To) value) => new(value.From, value.To);
// Takes floating point coordinates, presumably from keyboard input, and attempts to create a Move object.
public static bool TryCreate(float input1, float input2, out Move move)
{
if (Cell.TryCreate(input1, out var from) &&
Cell.TryCreate(input2, out var to))
{
move = (from, to);
return true;
}
move = default;
return false;
}
public static Move Right(Cell from) => (from, from - 2);
public static Move Straight(Cell from) => (from, from - 3);
public static Move Left(Cell from) => (from, from - 4);
public bool IsStraightMoveToEmptySpace(Board board) => _metric == 3 && board[_to] == None;
public bool IsLeftDiagonalToCapture(Board board) => _metric == 4 && _from != 7 && board[_to] == Black;
public bool IsRightDiagonalToCapture(Board board) =>
_metric == 2 && _from != 9 && _from != 6 && board[_to] == Black;
public void Execute(Board board)
{
board[_to] = board[_from];
board[_from] = None;
}
public override string ToString() => $"from {_from} to {_to}";
_from = from;
_to = to;
_metric = _from - _to;
}
public void Deconstruct(out Cell from, out Cell to)
{
from = _from;
to = _to;
}
public Cell From => _from;
// Produces the mirror image of the current moved, reflected around the central column of the board.
public Move Reflected => (_from.Reflected, _to.Reflected);
// Allows a tuple of two ints to be implicitly converted to a Move.
public static implicit operator Move((int From, int To) value) => new(value.From, value.To);
// Takes floating point coordinates, presumably from keyboard input, and attempts to create a Move object.
public static bool TryCreate(float input1, float input2, out Move move)
{
if (Cell.TryCreate(input1, out var from) &&
Cell.TryCreate(input2, out var to))
{
move = (from, to);
return true;
}
move = default;
return false;
}
public static Move Right(Cell from) => (from, from - 2);
public static Move Straight(Cell from) => (from, from - 3);
public static Move Left(Cell from) => (from, from - 4);
public bool IsStraightMoveToEmptySpace(Board board) => _metric == 3 && board[_to] == None;
public bool IsLeftDiagonalToCapture(Board board) => _metric == 4 && _from != 7 && board[_to] == Black;
public bool IsRightDiagonalToCapture(Board board) =>
_metric == 2 && _from != 9 && _from != 6 && board[_to] == Black;
public void Execute(Board board)
{
board[_to] = board[_from];
board[_from] = None;
}
public override string ToString() => $"from {_from} to {_to}";
}