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Test + bug fixes

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This commit is contained in:
cdricms
2024-06-26 01:07:03 +02:00
parent 0ea0ec1bc6
commit 78a4737015
5 changed files with 100 additions and 104 deletions
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109
Sources/Engine/Board.swift
View File

@@ -1,79 +1,3 @@
public struct Fen: CustomStringConvertible {
public enum CastlingAvailibility: String {
case Neither = "-"
case WhiteKingSide = "K"
case WhiteQueenSide = "Q"
case BlackKingSide = "k"
case BlackQueenSide = "q"
case WhiteSide = "KQ"
case BlackSide = "kq"
case Kings = "Kk"
case Queens = "Qq"
case WKingBQueen = "Kq"
case WQueenBKing = "Qk"
case All = "KQkq"
}
private var _fen: String = ""
private var value: String {
get {
return _fen
}
set {
_fen = newValue
let splitted = _fen.split(separator: " ")
guard splitted.count == 6 else {
return
}
placement = String(splitted[0])
activeColor =
switch splitted[1] {
case "w": .White
case "b": .Black
default: .White
}
castlingAvailibility =
CastlingAvailibility(
rawValue:
String(splitted[2])) ?? .Neither
enPassant = String(splitted[3])
halfMoveClock =
if let c = splitted[4].first, c.isWholeNumber {
UInt8(String(c)) ?? 0
} else {
0
}
fullMoveClock =
if let c = splitted[5].first, c.isWholeNumber {
UInt8(String(c)) ?? 1
} else {
1
}
}
}
public private(set) var placement: String = "" // 70 chars
public private(set) var activeColor: Color = .White // 1 char
public private(set) var castlingAvailibility: CastlingAvailibility = .All
// 1 to 4 chars
public private(set) var enPassant: String = "-" // 1 or 2 chars
public private(set) var halfMoveClock: UInt8 = 0
public package(set) var fullMoveClock: UInt8 = 1
public init(fen value: String) {
self.value = value
}
public enum FenError: Error {
case InvalidCharacter(c: String, column: UInt8)
case NumberTooBig(n: UInt8, column: UInt8)
case NumberTooSmall(n: UInt8, column: UInt8)
}
public var description: String {
return value
}
}
public class Board: CustomStringConvertible {
public typealias Grid = [[Square]]
@@ -112,6 +36,9 @@ public class Board: CustomStringConvertible {
for c in fen.placement {
let r = (8 - Int(rank)) % 8
if c == "/" {
if file != 9 {
throw Fen.FenError.NotAppropriateLength(n: file, column: index)
}
rank -= 1
file = 0
} else if c.isWholeNumber, let n = UInt8(String(c)) {
@@ -175,9 +102,13 @@ public class Board: CustomStringConvertible {
rank -= 1
}
}
// TODO: Handle better
do {
try setBoard()
} catch Fen.FenError.NotAppropriateLength(let n, let column) {
fatalError("Not appropriate length: \(n) on \(column)")
} catch {
}
}
@@ -208,28 +139,4 @@ public class Board: CustomStringConvertible {
}
return squares[i]
}
}
// For now useless, learn how to setup properly
// extension Board.Grid {
// public subscript(rank: UInt8, file: UInt8) -> Square? {
// get {
// guard 1 > rank && rank < 9 && 1 > file && file < 9 else {
// return nil
// }
// return self[(8 - Int(rank)) % 8][Int(file) - 1]
// }
// set {
// guard 1 > rank && rank < 9 && 1 > file && file < 9 else {
// return
// }
// guard let n = newValue else {
// return
// }
// self[(8 - Int(rank)) % 8][Int(file) - 1] = n
// }
// }
// }
}

76
Sources/Engine/FEN.swift Normal file
View File

@@ -0,0 +1,76 @@
public struct Fen: CustomStringConvertible {
public enum CastlingAvailibility: String {
case Neither = "-"
case WhiteKingSide = "K"
case WhiteQueenSide = "Q"
case BlackKingSide = "k"
case BlackQueenSide = "q"
case WhiteSide = "KQ"
case BlackSide = "kq"
case Kings = "Kk"
case Queens = "Qq"
case WKingBQueen = "Kq"
case WQueenBKing = "Qk"
case All = "KQkq"
}
private var _fen: String = ""
private var value: String {
get {
return _fen
}
set {
_fen = newValue
let splitted = _fen.split(separator: " ")
guard splitted.count == 6 else {
return
}
placement = String(splitted[0])
activeColor =
switch splitted[1] {
case "w": .White
case "b": .Black
default: .White
}
castlingAvailibility =
CastlingAvailibility(
rawValue:
String(splitted[2])) ?? .Neither
enPassant = String(splitted[3])
halfMoveClock =
if let c = splitted[4].first, c.isWholeNumber {
UInt8(String(c)) ?? 0
} else {
0
}
fullMoveClock =
if let c = splitted[5].first, c.isWholeNumber {
UInt8(String(c)) ?? 1
} else {
1
}
}
}
public private(set) var placement: String = "" // 70 chars
public private(set) var activeColor: Color = .White // 1 char
public private(set) var castlingAvailibility: CastlingAvailibility = .All
// 1 to 4 chars
public private(set) var enPassant: String = "-" // 1 or 2 chars
public private(set) var halfMoveClock: UInt8 = 0
public package(set) var fullMoveClock: UInt8 = 1
public init(fen value: String) {
self.value = value
}
public enum FenError: Error {
case InvalidCharacter(c: String, column: UInt8)
case NumberTooBig(n: UInt8, column: UInt8)
case NumberTooSmall(n: UInt8, column: UInt8)
case NotAppropriateLength(n: UInt8, column: UInt8)
}
public var description: String {
return value
}
}

5
Sources/Engine/Square.swift
View File

@@ -5,11 +5,12 @@ public struct Square: Equatable {
public let rank: UInt8
public var index: Int {
return Int(file * rank) - 1
let r = (8 - rank) % 8
return Int(8*r+file-1)
}
public static func == (lhs: Position, rhs: Position) -> Bool {
return lhs.rank == rhs.rank && lhs.file == rhs.file
return lhs.index == rhs.index
}
}

3
Sources/exe/main.swift
View File

@@ -1,5 +1,6 @@
import Engine
let board = Board()
let board = Board(fen: .init(fen: "rnbqkb1r/pppppppp/2n5/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"))
// let board: Board = .init()
print(board)