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cdricms
2024-06-28 00:02:48 +02:00
parent 8556380dba
commit 1d7f1095d5
11 changed files with 175 additions and 139 deletions
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25
Sources/Engine/Pieces/Knight.swift
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@@ -1,15 +1,9 @@
final class Knight: Piece {
weak var board: Board?
var kind: Kind = .Knight
var unicodeRepresentation: String {
override var unicodeRepresentation: String {
return color == .Black ? "♞" : "♘"
}
var color: Color
var position: Square.Position
var pseudoLegalPositions: [Square.Position] {
override var pseudoLegalPositions: [Square.Position] {
[
position + (2, 1),
position + (2, -1),
@@ -18,24 +12,24 @@ final class Knight: Piece {
position + (1, 2),
position + (1, -2),
position + (-1, 2),
position + (-1, -2)
position + (-1, -2),
].filter { $0.index != nil }
}
var legalPositions: [Square.Position] {
override var legalPositions: [Square.Position] {
return pseudoLegalPositions.filter { isLegal(on: $0) }
}
func move(to dst: Square.Position) -> Bool {
return false
override func move(to dst: Square.Position) {
}
func isLegal(on pos: Square.Position) -> Bool {
override func isLegal(on pos: Square.Position) -> Bool {
if let board = board, let s = board[pos] {
if let p = s.piece {
if p.color == color { return false }
if p.kind == .King {
// TODO: Notify board of check
delegate?.notify(.kingInCheck(self))
return false
}
}
@@ -44,9 +38,8 @@ final class Knight: Piece {
return true
}
init(color: Color, on position: Square.Position) {
self.color = color
self.position = position
init(with color: Color, on position: Square.Position) {
super.init(kind: .Knight, on: position, with: color)
}
}