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Move neighbour count to generation calculation

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This commit is contained in:
Andrew Cooper
2022-09-09 07:57:51 +10:00
parent 3042247e06
commit 8994d9b03c
3 changed files with 21 additions and 12 deletions
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14
56_Life_for_Two/csharp/Board.cs
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@@ -34,6 +34,8 @@ internal class Board
public int Player1Count => _cellCounts[Player1]; public int Player1Count => _cellCounts[Player1];
public int Player2Count => _cellCounts[Player2]; public int Player2Count => _cellCounts[Player2];
internal bool IsEmptyAt(Coordinates coordinates) => (this[coordinates] & PieceMask) == Empty;
public string? Result => public string? Result =>
(Player1Count, Player2Count) switch (Player1Count, Player2Count) switch
{ {
@@ -43,6 +45,12 @@ internal class Board
_ => null _ => null
}; };
internal void ClearCell(Coordinates coordinates) => this[coordinates] = Empty;
internal void AddPlayer1Piece(Coordinates coordinates) => this[coordinates] = Player1;
internal void AddPlayer2Piece(Coordinates coordinates) => this[coordinates] = Player2;
public void CalculateNextGeneration() public void CalculateNextGeneration()
{ {
_cellCounts[Empty] = _cellCounts[Player1] = _cellCounts[Player2] = 0; _cellCounts[Empty] = _cellCounts[Player1] = _cellCounts[Player2] = 0;
@@ -63,9 +71,11 @@ internal class Board
_cellCounts[newValue]++; _cellCounts[newValue]++;
} }
} }
CountNeighbours();
} }
public void CalculateNeighbours() private void CountNeighbours()
{ {
for (var x = 1; x <= 5; x++) for (var x = 1; x <= 5; x++)
{ {
@@ -97,7 +107,7 @@ internal class Board
} }
private string GetDisplay(int x, int y) => private string GetDisplay(int x, int y) =>
(x, y, this[x, y]) switch (x, y, this[x, y] & PieceMask) switch
{ {
(0 or 6, _, _) => $" {y % 6} ", (0 or 6, _, _) => $" {y % 6} ",
(_, 0 or 6, _) => $" {x % 6} ", (_, 0 or 6, _) => $" {x % 6} ",

17
56_Life_for_Two/csharp/Game.cs
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@@ -1,18 +1,18 @@
internal class Game internal class Game
{ {
private readonly IReadWrite _io; private readonly IReadWrite _io;
private readonly Board _board;
public Game(IReadWrite io) public Game(IReadWrite io)
{ {
_io = io; _io = io;
_board = new Board();
} }
public void Play() public void Play()
{ {
_io.Write(Streams.Title); _io.Write(Streams.Title);
var _board = new Board();
for (var _player = 1; _player <= 2; _player++) for (var _player = 1; _player <= 2; _player++)
{ {
var P1 = _player == 2 ? 0x30 : 0x03; var P1 = _player == 2 ? 0x30 : 0x03;
@@ -26,11 +26,10 @@ internal class Game
_board.CalculateNextGeneration(); _board.CalculateNextGeneration();
_board.Display(_io); _board.Display(_io);
while (true) while(true)
{ {
_io.WriteLine();
_board.CalculateNeighbours();
_board.CalculateNextGeneration(); _board.CalculateNextGeneration();
_io.WriteLine();
_board.Display(_io); _board.Display(_io);
if (_board.Result is not null) { break; } if (_board.Result is not null) { break; }
@@ -42,15 +41,15 @@ internal class Game
{ {
_io.Write(Streams.SameCoords); _io.Write(Streams.SameCoords);
// This is a bug existing in the original code. The line should be _board[_coordinates[_player]] = 0; // This is a bug existing in the original code. The line should be _board[_coordinates[_player]] = 0;
_board[player1Coordinate + 1] = 0; _board.ClearCell(player1Coordinate + 1);
} }
else else
{ {
_board[player1Coordinate] = 0x0100; _board.AddPlayer1Piece(player1Coordinate);
_board[player2Coordinate] = 0x1000; _board.AddPlayer2Piece(player2Coordinate);
} }
} }
_io.WriteLine(_board.Result); _io.WriteLine(_board.Result);
} }
} }

2
56_Life_for_Two/csharp/IOExtensions.cs
View File

@@ -12,7 +12,7 @@ internal static class IOExtensions
{ {
io.WriteLine("X,Y"); io.WriteLine("X,Y");
var values = io.Read2Numbers("&&&&&&\r"); var values = io.Read2Numbers("&&&&&&\r");
if (Coordinates.TryCreate(values, out var coordinates) && board[coordinates] == 0) if (Coordinates.TryCreate(values, out var coordinates) && board.IsEmptyAt(coordinates))
{ {
return coordinates; return coordinates;
} }