13 Commits

Author SHA1 Message Date
Steve Barnegren faf65a02fb Updated podspec 2018-01-20 18:12:18 +00:00
Steve Barnegren 0f3cd549f6 Fixed some warnings 2018-01-20 18:11:05 +00:00
Steve Barnegren ce3df6cdce Better handling of piece tags 2018-01-20 18:06:26 +00:00
Steve Barnegren 9ffafa0ee1 Make Game DictionaryRepresentable methods public 2018-01-20 17:19:36 +00:00
Steve Barnegren 6f80d184de Game convertible to dictionary for persistence 2018-01-13 15:59:24 +00:00
Steve Barnegren 42fd768958 Updated podspec 2017-12-21 17:16:19 +00:00
Steve Barnegren f8e53472bf Merge pull request #2 from sochalewski/master
Swifty, swifter, the swiftest
2017-12-21 16:44:16 +00:00
Piotr Sochalewski ac147b5ee8 Swifty, swifter, the swiftest 2017-12-09 12:58:05 +01:00
Steve Barnegren fdf1f73ce9 Merge branch 'development'
# Conflicts:
#	.swift-version
2017-11-18 19:22:26 +00:00
Steve Barnegren 0371a5d064 Updated podspec 2017-11-17 21:24:42 +00:00
Steve Barnegren aa31427b5f Added .swift-version 2017-11-17 21:20:27 +00:00
Steve Barnegren 16c757ff1f Merge branch 'development' 2017-04-02 18:45:29 +01:00
Steve Barnegren 88dda592b9 Added swift version file for cocoa pods 2017-03-16 22:22:19 +00:00
49 changed files with 1289 additions and 564 deletions
+1
View File
@@ -0,0 +1 @@
4.0
+10
View File
@@ -15,6 +15,9 @@
676902581E432380007C76D7 /* PerformanceTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 676902571E432380007C76D7 /* PerformanceTests.swift */; };
676C911C1E478A3A00985A4F /* SwiftChess.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 67A9CA0D1DE64D6500510FB8 /* SwiftChess.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
676EF7C51E15AC1700E275B4 /* BoardRaterKingSurroundingPossession.swift in Sources */ = {isa = PBXBuildFile; fileRef = 676EF7C41E15AC1700E275B4 /* BoardRaterKingSurroundingPossession.swift */; };
677BE819200A3749004B27DB /* DictionaryRepresentableExtensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 677BE818200A3749004B27DB /* DictionaryRepresentableExtensions.swift */; };
677BE81C200A3BDE004B27DB /* SquareTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 677BE81B200A3BDE004B27DB /* SquareTests.swift */; };
677BE81D200A52D8004B27DB /* AIConfigurationTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 67F7791F1E1B923B00885B89 /* AIConfigurationTests.swift */; };
67A3EB161E3A926C00F6F01B /* BoardScenarios.swift in Sources */ = {isa = PBXBuildFile; fileRef = 67A3EB121E3A826800F6F01B /* BoardScenarios.swift */; };
67A9CA341DE64DD600510FB8 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 607FACD51AFB9204008FA782 /* AppDelegate.swift */; };
67A9CA351DE64DD800510FB8 /* MenuViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 607FACD71AFB9204008FA782 /* MenuViewController.swift */; };
@@ -101,6 +104,8 @@
671989901DFFE8650053EA3D /* BoardRaterCenterDominanceTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BoardRaterCenterDominanceTests.swift; sourceTree = "<group>"; };
676902571E432380007C76D7 /* PerformanceTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PerformanceTests.swift; sourceTree = "<group>"; };
676EF7C41E15AC1700E275B4 /* BoardRaterKingSurroundingPossession.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BoardRaterKingSurroundingPossession.swift; sourceTree = "<group>"; };
677BE818200A3749004B27DB /* DictionaryRepresentableExtensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DictionaryRepresentableExtensions.swift; sourceTree = "<group>"; };
677BE81B200A3BDE004B27DB /* SquareTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SquareTests.swift; sourceTree = "<group>"; };
67A3EB121E3A826800F6F01B /* BoardScenarios.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BoardScenarios.swift; sourceTree = "<group>"; };
67A9CA071DE64D6500510FB8 /* SwiftChess.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = SwiftChess.xcodeproj; path = ../SwiftChess/SwiftChess.xcodeproj; sourceTree = "<group>"; };
67A9CA141DE64DAA00510FB8 /* SwiftChessExample.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = SwiftChessExample.app; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -199,6 +204,7 @@
children = (
607FACE91AFB9204008FA782 /* Supporting Files */,
67D54A651DE986F700C12258 /* PieceTests.swift */,
677BE81B200A3BDE004B27DB /* SquareTests.swift */,
67FD868C1E41099B0023335C /* BoardLocationTests.swift */,
67D54A511DE7680E00C12258 /* BoardTests.swift */,
67D54A521DE7680E00C12258 /* GameTests.swift */,
@@ -220,6 +226,7 @@
children = (
607FACEA1AFB9204008FA782 /* Info.plist */,
67A3EB121E3A826800F6F01B /* BoardScenarios.swift */,
677BE818200A3749004B27DB /* DictionaryRepresentableExtensions.swift */,
);
name = "Supporting Files";
sourceTree = "<group>";
@@ -441,11 +448,13 @@
67FD86911E4128F00023335C /* OpeningsTests.swift in Sources */,
67D54A611DE7683A00C12258 /* Tests.swift in Sources */,
676EF7C51E15AC1700E275B4 /* BoardRaterKingSurroundingPossession.swift in Sources */,
677BE81C200A3BDE004B27DB /* SquareTests.swift in Sources */,
67FD868D1E41099B0023335C /* BoardLocationTests.swift in Sources */,
67D54A5D1DE7682D00C12258 /* BoardTests.swift in Sources */,
67F9DB751E1AD3BB00C7EC5A /* AIBehaviourTests.swift in Sources */,
671989911DFFE8650053EA3D /* BoardRaterCenterDominanceTests.swift in Sources */,
6719898D1DFFE0F40053EA3D /* BoardRaterBoardDominanceTests.swift in Sources */,
677BE819200A3749004B27DB /* DictionaryRepresentableExtensions.swift in Sources */,
67D54A5E1DE7683000C12258 /* GameTests.swift in Sources */,
673B95191E4CE5880086CA97 /* BoardRaterThreatenedPiecesTests.swift in Sources */,
67D54A661DE986F700C12258 /* PieceTests.swift in Sources */,
@@ -453,6 +462,7 @@
67B73A9F1E154C1E00C19176 /* AIPlayerTests.swift in Sources */,
676902581E432380007C76D7 /* PerformanceTests.swift in Sources */,
67D54A641DE976A900C12258 /* BoardRaterCountPiecesTests.swift in Sources */,
677BE81D200A52D8004B27DB /* AIConfigurationTests.swift in Sources */,
67A3EB161E3A926C00F6F01B /* BoardScenarios.swift in Sources */,
09AE32551E03D71D00A149FE /* BoardRaterPawnProgressionTests.swift in Sources */,
67D54A5F1DE7683300C12258 /* PieceMovementTests.swift in Sources */,
+6 -6
View File
@@ -267,7 +267,7 @@ extension GameViewController: BoardViewDelegate {
}
// Select new piece if possible
if player.occupiesSquareAt(location: location) {
if player.occupiesSquare(at: location) {
selectedIndex = index
}
@@ -275,8 +275,8 @@ extension GameViewController: BoardViewDelegate {
if let selectedIndex = selectedIndex {
do {
try player.movePiece(fromLocation: BoardLocation(index: selectedIndex),
toLocation: location)
try player.movePiece(from: BoardLocation(index: selectedIndex),
to: location)
} catch Player.MoveError.pieceUnableToMoveToLocation {
print("Piece is unable to move to this location")
@@ -309,7 +309,7 @@ extension GameViewController: GameDelegate {
}
func gameDidAddPiece(game: Game) {
// do nothing
// Do nothing
}
func gameDidMovePiece(game: Game, piece: Piece, toLocation: BoardLocation) {
@@ -320,7 +320,7 @@ extension GameViewController: GameDelegate {
pieceView.location = toLocation
// Animage
// Animate
view.setNeedsLayout()
UIView.animate(withDuration: 0.3, delay: 0, options: .curveEaseInOut, animations: {
@@ -359,7 +359,7 @@ extension GameViewController: GameDelegate {
func gameWonByPlayer(game: Game, player: Player) {
let colorName = player.color.toString()
let colorName = player.color.string
let title = "Checkmate!"
let message = "\(colorName.capitalized) wins!"
@@ -11,16 +11,6 @@ import SwiftChess
class MenuViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
// MARK: - Actions
@IBAction func playerVsAIButtonPressed(_ sender: UIButton) {
+99 -41
View File
@@ -6,6 +6,8 @@
// Copyright © 2017 CocoaPods. All rights reserved.
//
//swiftlint:disable type_body_length
import XCTest
@testable import SwiftChess
@@ -35,14 +37,18 @@ class AIConfigurationTests: XCTestCase {
"R K B Q G B K R" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterCountPiecesWeighting = 1
lowValueConfig.boardRaterCountPiecesWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 10)
let lowValueRater = BoardRaterCountPieces(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterCountPiecesWeighting = 2
highValueConfig.boardRaterCountPiecesWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 10)
let highValueRater = BoardRaterCountPieces(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
}
@@ -61,14 +67,18 @@ class AIConfigurationTests: XCTestCase {
"R K B Q G B K R" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterBoardDominanceWeighting = 1
lowValueConfig.boardRaterBoardDominanceWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 10)
let lowValueRater = BoardRaterBoardDominance(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterBoardDominanceWeighting = 2
highValueConfig.boardRaterBoardDominanceWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 10)
let highValueRater = BoardRaterBoardDominance(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
}
@@ -87,14 +97,18 @@ class AIConfigurationTests: XCTestCase {
"R K B Q G B K R" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterCenterOwnershipWeighting = 1
lowValueConfig.boardRaterCenterOwnershipWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 10)
let lowValueRater = BoardRaterCenterOwnership(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterCenterOwnershipWeighting = 2
highValueConfig.boardRaterCenterOwnershipWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 10)
let highValueRater = BoardRaterCenterOwnership(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
}
@@ -113,14 +127,18 @@ class AIConfigurationTests: XCTestCase {
"R K B Q G B K R" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterCenterDominanceWeighting = 1
lowValueConfig.boardRaterCenterDominanceWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 10)
let lowValueRater = BoardRaterCenterDominance(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterCenterDominanceWeighting = 2
highValueConfig.boardRaterCenterDominanceWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 10)
let highValueRater = BoardRaterCenterDominance(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
}
@@ -140,19 +158,23 @@ class AIConfigurationTests: XCTestCase {
"- - - - G - - B" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterThreatenedPiecesWeighting = 1
lowValueConfig.boardRaterThreatenedPiecesWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 10)
let lowValueRater = BoardRaterThreatenedPieces(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterThreatenedPiecesWeighting = 2
highValueConfig.boardRaterThreatenedPiecesWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 10)
let highValueRater = BoardRaterThreatenedPieces(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
}
func testBoardRaterThreatenedPiecesOwnPiecesMultiplierAffectsRating() {
func testBoardRaterThreatenedPiecesOwnPiecesWeightingAffectsRating() {
// White and black rook are threatening each other, so advantage is neutral
let board = ASCIIBoard(pieces: "- - - - g - - -" +
@@ -165,14 +187,18 @@ class AIConfigurationTests: XCTestCase {
"- - - - G - - -" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterThreatenedPiecesOwnPiecesMultiplier = 1
lowValueConfig.boardRaterThreatenedPiecesWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 10)
let lowValueRater = BoardRaterThreatenedPieces(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterThreatenedPiecesOwnPiecesMultiplier = 2
highValueConfig.boardRaterThreatenedPiecesWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 10)
let highValueRater = BoardRaterThreatenedPieces(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
// Result should be more negative for a higher value, as white is under threat
XCTAssertLessThan(highValueRating, lowValueRating)
@@ -192,14 +218,18 @@ class AIConfigurationTests: XCTestCase {
"- - - - G - - -" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterPawnProgressionWeighting = 1
lowValueConfig.boardRaterPawnProgressionWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 10)
let lowValueRater = BoardRaterPawnProgression(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterPawnProgressionWeighting = 2
highValueConfig.boardRaterPawnProgressionWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 10)
let highValueRater = BoardRaterPawnProgression(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
}
@@ -218,14 +248,20 @@ class AIConfigurationTests: XCTestCase {
"- - - P G P - -" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterKingSurroundingPossessionWeighting = 1
lowValueConfig.boardRaterKingSurroundingPossessionWeighting =
AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 10)
let lowValueRater = BoardRaterKingSurroundingPossession(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterKingSurroundingPossessionWeighting = 2
highValueConfig.boardRaterKingSurroundingPossessionWeighting =
AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 10)
let highValueRater = BoardRaterKingSurroundingPossession(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
}
@@ -245,14 +281,18 @@ class AIConfigurationTests: XCTestCase {
"R - - P G P - -" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterCheckMateOpportunityWeighting = 1
lowValueConfig.boardRaterCheckMateOpportunityWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 1)
let lowValueRater = BoardRaterCheckMateOpportunity(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterCheckMateOpportunityWeighting = 2
highValueConfig.boardRaterCheckMateOpportunityWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 1)
let highValueRater = BoardRaterCheckMateOpportunity(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
@@ -272,15 +312,33 @@ class AIConfigurationTests: XCTestCase {
"- - - P G P - -" )
var lowValueConfig = AIConfiguration()
lowValueConfig.boardRaterCenterFourOccupationWeighting = 1
lowValueConfig.boardRaterCenterFourOccupationWeighting = AIConfiguration.ConfigurationValue(easyValue: 1,
difficultValue: 1,
multiplier: 1)
let lowValueRater = BoardRaterCenterFourOccupation(configuration: lowValueConfig)
let lowValueRating = lowValueRater.ratingfor(board: board.board, color: .white)
let lowValueRating = lowValueRater.ratingFor(board: board.board, color: .white)
var highValueConfig = AIConfiguration()
highValueConfig.boardRaterCenterFourOccupationWeighting = 2
highValueConfig.boardRaterCenterFourOccupationWeighting = AIConfiguration.ConfigurationValue(easyValue: 2,
difficultValue: 2,
multiplier: 1)
let highValueRater = BoardRaterCenterFourOccupation(configuration: highValueConfig)
let highValueRating = highValueRater.ratingfor(board: board.board, color: .white)
let highValueRating = highValueRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(highValueRating, lowValueRating)
}
// MARK: - AIConfiguration Dictionary Representable
func testDictionaryRepresentable() {
let easy = AIConfiguration(difficulty: .easy)
XCTAssertEqual(easy, easy.toDictionaryAndBack)
let medium = AIConfiguration(difficulty: .medium)
XCTAssertEqual(medium, medium.toDictionaryAndBack)
let hard = AIConfiguration(difficulty: .hard)
XCTAssertEqual(hard, hard.toDictionaryAndBack)
}
}
+19 -6
View File
@@ -63,7 +63,7 @@ class AIPlayerTests: XCTestCase {
fatalError()
}
XCTAssertFalse(player.canAIMovePiece(fromLocation: knightLocation, toLocation: testLocation))
XCTAssertFalse(player.canAIMovePiece(from: knightLocation, to: testLocation))
}
func testKingCannotMoveInToCheck() {
@@ -88,7 +88,7 @@ class AIPlayerTests: XCTestCase {
fatalError()
}
XCTAssertFalse(player.canAIMovePiece(fromLocation: kingLocation, toLocation: testLocation))
XCTAssertFalse(player.canAIMovePiece(from: kingLocation, to: testLocation))
}
func testPawnCannotPutOwnKingInToCheck() {
@@ -111,7 +111,7 @@ class AIPlayerTests: XCTestCase {
fatalError()
}
XCTAssertFalse(player.canAIMovePiece(fromLocation: pawnLocation, toLocation: testLocation))
XCTAssertFalse(player.canAIMovePiece(from: pawnLocation, to: testLocation))
}
@@ -135,7 +135,7 @@ class AIPlayerTests: XCTestCase {
fatalError()
}
XCTAssertFalse(player.canAIMovePiece(fromLocation: queenLocation, toLocation: testLocation))
XCTAssertFalse(player.canAIMovePiece(from: queenLocation, to: testLocation))
}
func testRookCannotPutOwnKingInToCheck() {
@@ -158,7 +158,7 @@ class AIPlayerTests: XCTestCase {
fatalError()
}
XCTAssertFalse(player.canAIMovePiece(fromLocation: rookLocation, toLocation: testLocation))
XCTAssertFalse(player.canAIMovePiece(from: rookLocation, to: testLocation))
}
func testBishopCannotPutOwnKingInToCheck() {
@@ -181,6 +181,19 @@ class AIPlayerTests: XCTestCase {
fatalError()
}
XCTAssertFalse(player.canAIMovePiece(fromLocation: bishopLocation, toLocation: testLocation))
XCTAssertFalse(player.canAIMovePiece(from: bishopLocation, to: testLocation))
}
// MARK: - Dictionary Representable
func testDictionaryRepresentable() {
let whiteEasy = AIPlayer(color: .white,
configuration: AIConfiguration(difficulty: .easy))
XCTAssertEqual(whiteEasy, whiteEasy.toDictionaryAndBack)
let blackHard = AIPlayer(color: .black,
configuration: AIConfiguration(difficulty: .hard))
XCTAssertEqual(blackHard, blackHard.toDictionaryAndBack)
}
}
+10 -3
View File
@@ -136,10 +136,10 @@ class BoardLocationTests: XCTestCase {
let opening = FakeOpening()
let whiteMoves = opening.moves(forColor: .white)
let whiteMoves = opening.moves(for: .white)
XCTAssertEqual(whiteMoves.count, expectedWhiteLocations.count)
let blackMoves = opening.moves(forColor: .black)
let blackMoves = opening.moves(for: .black)
XCTAssertEqual(blackMoves.count, expectedBlackLocations.count)
for i in 0..<whiteMoves.count {
@@ -182,5 +182,12 @@ class BoardLocationTests: XCTestCase {
XCTAssertFalse($0.isDarkSquare, "Expected \($0) to be light")
}
}
// MARK: - Dictionary Representable
func testDictionaryRepresentable() {
let location = BoardLocation(index: 14)
XCTAssertEqual(location, location.toDictionaryAndBack)
}
}
@@ -35,7 +35,7 @@ class BoardRaterBoardDominanceTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" +
"- - - - - - - -" )
let queenRating = boardRater.ratingfor(board: queenBoard.board, color: .white)
let queenRating = boardRater.ratingFor(board: queenBoard.board, color: .white)
let pawnBoard = ASCIIBoard(pieces: "- - - - - - - -" +
"- - - - - - - -" +
@@ -45,7 +45,7 @@ class BoardRaterBoardDominanceTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" +
"- - - - - - - -" )
let pawnRating = boardRater.ratingfor(board: pawnBoard.board, color: .white)
let pawnRating = boardRater.ratingFor(board: pawnBoard.board, color: .white)
XCTAssertGreaterThan(queenRating, pawnRating)
}
@@ -60,7 +60,7 @@ class BoardRaterBoardDominanceTests: XCTestCase {
"- - - - - - - -" +
"P - - - - - - -" +
"Q P - - - - - -" )
let blockedRating = boardRater.ratingfor(board: blockedBoard.board, color: .white)
let blockedRating = boardRater.ratingFor(board: blockedBoard.board, color: .white)
let nonBockedBoard = ASCIIBoard(pieces: "- - - - - - - -" +
"- - - - - - - -" +
@@ -70,7 +70,7 @@ class BoardRaterBoardDominanceTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" +
"Q - - - - - - -" )
let nonBockedRating = boardRater.ratingfor(board: nonBockedBoard.board, color: .white)
let nonBockedRating = boardRater.ratingFor(board: nonBockedBoard.board, color: .white)
XCTAssertGreaterThan(nonBockedRating, blockedRating)
@@ -86,7 +86,7 @@ class BoardRaterBoardDominanceTests: XCTestCase {
"- - - - - - - k" +
"- - - - - - - p" +
"Q - - - - - - -" )
let whiteRating = boardRater.ratingfor(board: whiteDominantBoard.board, color: .white)
let whiteRating = boardRater.ratingFor(board: whiteDominantBoard.board, color: .white)
let blackDominantBoard = ASCIIBoard(pieces: "r - - - - - - -" +
"- - - - - - - -" +
@@ -96,7 +96,7 @@ class BoardRaterBoardDominanceTests: XCTestCase {
"- - - - - - - K" +
"- - - - - - - P" +
"q - - - - - - -" )
let blackRating = boardRater.ratingfor(board: blackDominantBoard.board, color: .white)
let blackRating = boardRater.ratingFor(board: blackDominantBoard.board, color: .white)
XCTAssertGreaterThan(whiteRating, blackRating)
}
@@ -111,7 +111,7 @@ class BoardRaterBoardDominanceTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" +
"Q - - - - - - -" )
let queenInCornerRating = boardRater.ratingfor(board: queenInCornerBoard.board, color: .white)
let queenInCornerRating = boardRater.ratingFor(board: queenInCornerBoard.board, color: .white)
let queenInCenterBoard = ASCIIBoard(pieces: "- - - - - - - -" +
"- - - - - - - -" +
@@ -121,7 +121,7 @@ class BoardRaterBoardDominanceTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" +
"- - - - - - - -" )
let queenInCenterRating = boardRater.ratingfor(board: queenInCenterBoard.board, color: .white)
let queenInCenterRating = boardRater.ratingFor(board: queenInCenterBoard.board, color: .white)
XCTAssertGreaterThan(queenInCenterRating, queenInCornerRating)
}
@@ -34,7 +34,7 @@ class BoardRaterCenterDominanceTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" +
"- - - - - - - -" )
let centerVisibleRating = boardRater.ratingfor(board: centerVisibleBoard.board, color: .white)
let centerVisibleRating = boardRater.ratingFor(board: centerVisibleBoard.board, color: .white)
let centerObstructedBoard = ASCIIBoard(pieces: "- - - - - - - -" +
"- - - - - - - -" +
@@ -44,7 +44,7 @@ class BoardRaterCenterDominanceTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - P -" +
"- - - - - - - Q" )
let centerObstructedRating = boardRater.ratingfor(board: centerObstructedBoard.board, color: .white)
let centerObstructedRating = boardRater.ratingFor(board: centerObstructedBoard.board, color: .white)
XCTAssertGreaterThan(centerVisibleRating, centerObstructedRating)
}
@@ -39,7 +39,7 @@ class BoardRaterCenterFourOccupationTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = defaultBoardRater().ratingfor(board: board.board, color: .white)
let rating = defaultBoardRater().ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(rating, 0)
}
@@ -54,7 +54,7 @@ class BoardRaterCenterFourOccupationTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = defaultBoardRater().ratingfor(board: board.board, color: .white)
let rating = defaultBoardRater().ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(rating, 0)
}
@@ -69,7 +69,7 @@ class BoardRaterCenterFourOccupationTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = defaultBoardRater().ratingfor(board: board.board, color: .white)
let rating = defaultBoardRater().ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(rating, 0)
}
@@ -84,7 +84,7 @@ class BoardRaterCenterFourOccupationTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = defaultBoardRater().ratingfor(board: board.board, color: .white)
let rating = defaultBoardRater().ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(rating, 0)
}
@@ -99,7 +99,7 @@ class BoardRaterCenterFourOccupationTests: XCTestCase {
"P P P P P P P P" +
"P P P P P P P P" )
let rating = defaultBoardRater().ratingfor(board: board.board, color: .white)
let rating = defaultBoardRater().ratingFor(board: board.board, color: .white)
XCTAssertEqual(rating, 0, accuracy: 0.01)
}
@@ -114,7 +114,7 @@ class BoardRaterCenterFourOccupationTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = defaultBoardRater().ratingfor(board: board.board, color: .white)
let rating = defaultBoardRater().ratingFor(board: board.board, color: .white)
XCTAssertLessThan(rating, 0)
}
@@ -35,7 +35,7 @@ class BoardRaterCenterOwnershipTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let centerRating = boardRater.ratingfor(board: centerBoard.board, color: .white)
let centerRating = boardRater.ratingFor(board: centerBoard.board, color: .white)
let sideBoard = ASCIIBoard(pieces: "- - - - - - - -" +
"- - - - - - - -" +
@@ -46,7 +46,7 @@ class BoardRaterCenterOwnershipTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let sideRating = boardRater.ratingfor(board: sideBoard.board, color: .white)
let sideRating = boardRater.ratingFor(board: sideBoard.board, color: .white)
XCTAssertGreaterThan(centerRating, sideRating)
}
@@ -27,8 +27,8 @@ class BoardRaterCheckMateOpportunityTests: XCTestCase {
func testBoardWithNoCheckMateOpportuniesResultsInZeroRating() {
let board = Board(state: .newGame)
let whiteRating = boardRater.ratingfor(board: board, color: .white)
let blackRating = boardRater.ratingfor(board: board, color: .black)
let whiteRating = boardRater.ratingFor(board: board, color: .white)
let blackRating = boardRater.ratingFor(board: board, color: .black)
let accuracy = Double(0.1)
XCTAssertEqual(whiteRating, 0, accuracy: accuracy)
@@ -47,7 +47,7 @@ class BoardRaterCheckMateOpportunityTests: XCTestCase {
"- - - - - - - -" +
"R - - - G - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(rating, 0)
}
@@ -63,7 +63,7 @@ class BoardRaterCheckMateOpportunityTests: XCTestCase {
"- r - - - - - -" +
"- - - - G - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssertLessThan(rating, 0)
}
@@ -89,8 +89,8 @@ class BoardRaterCheckMateOpportunityTests: XCTestCase {
"- - - - - - - -" +
"R - - - G - - R" )
let singleRating = boardRater.ratingfor(board: singleCheckMateBoard.board, color: .white)
let multipleRating = boardRater.ratingfor(board: multipleCheckMateBoard.board, color: .white)
let singleRating = boardRater.ratingFor(board: singleCheckMateBoard.board, color: .white)
let multipleRating = boardRater.ratingFor(board: multipleCheckMateBoard.board, color: .white)
XCTAssertGreaterThan(multipleRating, singleRating)
}
@@ -36,7 +36,7 @@ class BoardRaterCountPiecesTests: XCTestCase {
"P P P P P P P P" +
"R K B Q G B K R" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssert(rating > 0, "Expected rating to be positive")
}
@@ -51,7 +51,7 @@ class BoardRaterCountPiecesTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssert(rating < 0, "Expected rating to be negative")
}
@@ -75,8 +75,8 @@ class BoardRaterCountPiecesTests: XCTestCase {
"P P P P P P P P" +
"P P P P P P P P" )
let fewerPiecesRating = boardRater.ratingfor(board: fewerPiecesBoard.board, color: .white)
let morePiecesRating = boardRater.ratingfor(board: morePiecesBoard.board, color: .white)
let fewerPiecesRating = boardRater.ratingFor(board: fewerPiecesBoard.board, color: .white)
let morePiecesRating = boardRater.ratingFor(board: morePiecesBoard.board, color: .white)
XCTAssert(morePiecesRating > fewerPiecesRating, "Expected more pieces to produce higher rating")
}
@@ -100,8 +100,8 @@ class BoardRaterCountPiecesTests: XCTestCase {
"- - - - - - - -" +
"R R R - - - - -" )
let lowerValuePiecesRating = boardRater.ratingfor(board: lowerValuePiecesBoard.board, color: .white)
let higherValuePiecesRating = boardRater.ratingfor(board: higherValuePiecesBoard.board, color: .white)
let lowerValuePiecesRating = boardRater.ratingFor(board: lowerValuePiecesBoard.board, color: .white)
let higherValuePiecesRating = boardRater.ratingFor(board: higherValuePiecesBoard.board, color: .white)
XCTAssert(higherValuePiecesRating > lowerValuePiecesRating,
"Expected higher value pieces to produce higher rating")
}
@@ -114,7 +114,7 @@ class BoardRaterCountPiecesTests: XCTestCase {
self.measure {
for _ in 0..<1000 {
_ = self.boardRater.ratingfor(board: board, color: .white)
_ = self.boardRater.ratingFor(board: board, color: .white)
}
}
}
@@ -209,8 +209,8 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"- - - - - - - -" +
"- - - - G - - -" )
let lowRating = boardRater.ratingfor(board: lowRatingBoard.board, color: .white)
let highRating = boardRater.ratingfor(board: highRatingBoard.board, color: .white)
let lowRating = boardRater.ratingFor(board: lowRatingBoard.board, color: .white)
let highRating = boardRater.ratingFor(board: highRatingBoard.board, color: .white)
XCTAssertGreaterThan(highRating, lowRating)
}
@@ -235,8 +235,8 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"R - - - - - - -" +
"- - - - G - - -" )
let lowRating = boardRater.ratingfor(board: lowRatingBoard.board, color: .white)
let highRating = boardRater.ratingfor(board: highRatingBoard.board, color: .white)
let lowRating = boardRater.ratingFor(board: lowRatingBoard.board, color: .white)
let highRating = boardRater.ratingFor(board: highRatingBoard.board, color: .white)
XCTAssertGreaterThan(highRating, lowRating)
}
@@ -261,8 +261,8 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"- - - - - - - -" +
"- - - - G - - -" )
let lowRating = boardRater.ratingfor(board: lowRatingBoard.board, color: .white)
let highRating = boardRater.ratingfor(board: highRatingBoard.board, color: .white)
let lowRating = boardRater.ratingFor(board: lowRatingBoard.board, color: .white)
let highRating = boardRater.ratingFor(board: highRatingBoard.board, color: .white)
XCTAssertGreaterThan(highRating, lowRating)
}
@@ -287,8 +287,8 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"- - - - - - - -" +
"- - - - G - - -" )
let lowRating = boardRater.ratingfor(board: lowRatingBoard.board, color: .white)
let highRating = boardRater.ratingfor(board: highRatingBoard.board, color: .white)
let lowRating = boardRater.ratingFor(board: lowRatingBoard.board, color: .white)
let highRating = boardRater.ratingFor(board: highRatingBoard.board, color: .white)
XCTAssertGreaterThan(highRating, lowRating)
}
@@ -313,8 +313,8 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"r - - - P - - Q" +
"- K - - g - k -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let invertedRating = boardRater.ratingfor(board: invertedBoard.board, color: .black)
let rating = boardRater.ratingFor(board: board.board, color: .white)
let invertedRating = boardRater.ratingFor(board: invertedBoard.board, color: .black)
XCTAssertEqual(rating, invertedRating, accuracy: 0.01)
}
@@ -330,7 +330,7 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"- - - P P P - -" +
"- - - P G P - -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(rating, 0)
}
@@ -345,7 +345,7 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"- - - - - - - -" +
"- - - - G - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .black)
let rating = boardRater.ratingFor(board: board.board, color: .black)
XCTAssertGreaterThan(rating, 0)
}
@@ -369,8 +369,8 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"- - - - - - - -" +
"- - - - G - - -" )
let openKingRating = boardRater.ratingfor(board: openKingBoard.board, color: .white)
let surroundedKingRating = boardRater.ratingfor(board: surroundedKingBoard.board, color: .white)
let openKingRating = boardRater.ratingFor(board: openKingBoard.board, color: .white)
let surroundedKingRating = boardRater.ratingFor(board: surroundedKingBoard.board, color: .white)
XCTAssertLessThan(surroundedKingRating, openKingRating)
}
@@ -395,8 +395,8 @@ class BoardRaterKingSurroundingPossessionTests: XCTestCase {
"- - - P P P - -" +
"- - - P G P - -" )
let openKingRating = boardRater.ratingfor(board: openKingBoard.board, color: .black)
let surroundedKingRating = boardRater.ratingfor(board: surroundedKingBoard.board, color: .black)
let openKingRating = boardRater.ratingFor(board: openKingBoard.board, color: .black)
let surroundedKingRating = boardRater.ratingFor(board: surroundedKingBoard.board, color: .black)
XCTAssertLessThan(surroundedKingRating, openKingRating)
}
@@ -46,8 +46,8 @@ class BoardRaterPawnProgressionTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let progressedRating = boardRater.ratingfor(board: progressedBoard.board, color: .white)
let lessProgressedRating = boardRater.ratingfor(board: lessProgressedBoard.board, color: .white)
let progressedRating = boardRater.ratingFor(board: progressedBoard.board, color: .white)
let lessProgressedRating = boardRater.ratingFor(board: lessProgressedBoard.board, color: .white)
XCTAssert(progressedRating > lessProgressedRating)
}
@@ -72,8 +72,8 @@ class BoardRaterPawnProgressionTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let progressedRating = boardRater.ratingfor(board: progressedBoard.board, color: .black)
let lessProgressedRating = boardRater.ratingfor(board: lessProgressedBoard.board, color: .black)
let progressedRating = boardRater.ratingFor(board: progressedBoard.board, color: .black)
let lessProgressedRating = boardRater.ratingFor(board: lessProgressedBoard.board, color: .black)
XCTAssert(progressedRating > lessProgressedRating)
}
@@ -89,7 +89,7 @@ class BoardRaterPawnProgressionTests: XCTestCase {
"- P - P - - P -" +
"- - - - - - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssertEqual(rating, 0, accuracy: 0.0001)
}
@@ -105,7 +105,7 @@ class BoardRaterPawnProgressionTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .black)
let rating = boardRater.ratingFor(board: board.board, color: .black)
XCTAssertEqual(rating, 0, accuracy: 0.0001)
}
@@ -121,8 +121,8 @@ class BoardRaterPawnProgressionTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let whiteRating = boardRater.ratingfor(board: board.board, color: .white)
let blackRating = boardRater.ratingfor(board: board.board, color: .black)
let whiteRating = boardRater.ratingFor(board: board.board, color: .white)
let blackRating = boardRater.ratingFor(board: board.board, color: .black)
XCTAssertEqual(whiteRating, blackRating, accuracy: 0.0001)
}
@@ -138,8 +138,8 @@ class BoardRaterPawnProgressionTests: XCTestCase {
"P - - - - - - p" +
"P - - - - - - p" )
let whiteRating = boardRater.ratingfor(board: board.board, color: .white)
let blackRating = boardRater.ratingfor(board: board.board, color: .black)
let whiteRating = boardRater.ratingFor(board: board.board, color: .white)
let blackRating = boardRater.ratingFor(board: board.board, color: .black)
XCTAssertEqual(whiteRating, blackRating, accuracy: 0.0001)
}
@@ -38,7 +38,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssertEqual(rating, 0, accuracy: 0.01)
}
@@ -54,7 +54,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssertLessThan(rating, 0)
}
@@ -70,7 +70,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
"- - - - - - - -" +
"- - - - - - - -" )
let rating = boardRater.ratingfor(board: board.board, color: .white)
let rating = boardRater.ratingFor(board: board.board, color: .white)
XCTAssertGreaterThan(rating, 0)
}
@@ -97,7 +97,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let queenLocation = BoardLocation(index: board.indexOfCharacter("Q"))
let gameBoard = board.board
let protectingLocations = boardRater.getPieces(protecting: gameBoard.getPiece(at: queenLocation)!,
onBoard: board.board).map { $0.location }
on: board.board).map { $0.location }
// Check all of the expected locations appeared in the protecting locations array
for expectedIndex in expectedIndexes {
@@ -141,7 +141,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let protectingPieces = boardRater.getPieces(protecting: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard)
on: gameBoard)
// None of the pieces are protecting the queen, so expect count to be zero
XCTAssertTrue(protectingPieces.count == 0)
@@ -162,7 +162,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let protectingPieces = boardRater.getPieces(protecting: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard)
on: gameBoard)
// The black pieces cannot protect the white queen, so expect count to be zero
XCTAssertTrue(protectingPieces.count == 0)
@@ -183,7 +183,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let protectingPieces = boardRater.getPieces(protecting: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard)
on: gameBoard)
XCTAssertTrue(protectingPieces.count == 0)
@@ -204,7 +204,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let protectingPieces = boardRater.getPieces(protecting: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard)
on: gameBoard)
XCTAssertTrue(protectingPieces.count == 1)
}
@@ -232,7 +232,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let threateningLocations = boardRater.getPieces(threatening: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard).map { $0.location }
on: gameBoard).map { $0.location }
// Check all of the expected locations appeared in the protecting locations array
for expectedIndex in expectedIndexes {
@@ -276,7 +276,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let threateningPieces = boardRater.getPieces(threatening: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard)
on: gameBoard)
// None of the pieces are threatening the queen, so expect count to be zero
XCTAssertTrue(threateningPieces.count == 0)
@@ -297,7 +297,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let threateningPieces = boardRater.getPieces(threatening: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard)
on: gameBoard)
// The white pieces cannot threaten the white queen, so expect count to be zero
XCTAssertTrue(threateningPieces.count == 0)
@@ -318,7 +318,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let threateningPieces = boardRater.getPieces(threatening: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard)
on: gameBoard)
XCTAssertTrue(threateningPieces.count == 0)
}
@@ -338,7 +338,7 @@ class BoardRaterThreatenedPiecesTests: XCTestCase {
let gameBoard = board.board
let threateningPieces = boardRater.getPieces(threatening: gameBoard.getPiece(at: queenLocation)!,
onBoard: gameBoard)
on: gameBoard)
XCTAssertTrue(threateningPieces.count == 1)
}
+39 -22
View File
@@ -139,7 +139,7 @@ class BoardTests: XCTestCase {
return
}
XCTAssert(returnedPiece == piece, "Expected pieces to be the same")
XCTAssert(returnedPiece.isSameTypeAndColor(asPiece: piece), "Expected pieces to be the same")
}
@@ -149,7 +149,7 @@ class BoardTests: XCTestCase {
let location = BoardLocation(index: 10)
board.setPiece(Piece(type: .pawn, color: .white),
at: location)
board.removePiece(atLocation: location)
board.removePiece(at: location)
XCTAssertNil(board.getPiece(at: location))
}
@@ -164,14 +164,14 @@ class BoardTests: XCTestCase {
let endLocation = BoardLocation(index: 20)
board.setPiece(piece, at: startLocation)
board.movePiece(fromLocation: startLocation, toLocation: endLocation)
board.movePiece(from: startLocation, to: endLocation)
guard let returnedPiece = board.getPiece(at: endLocation) else {
XCTFail("Expected piece to exist at location")
return
}
XCTAssert(returnedPiece == piece, "Expected pieces to be the same")
XCTAssert(returnedPiece.isSameTypeAndColor(asPiece: piece), "Expected pieces to be the same")
}
@@ -204,7 +204,7 @@ class BoardTests: XCTestCase {
var gameBoard = board.board
gameBoard.movePiece(fromLocation: fromLocation, toLocation: toLocation)
gameBoard.movePiece(from: fromLocation, to: toLocation)
guard let piece = gameBoard.getPiece(at: toLocation) else {
XCTFail("Couldn't find piece at new position")
@@ -233,7 +233,7 @@ class BoardTests: XCTestCase {
func verifyPieceExistance(piece: Piece) {
let matchingPieces = pieces.filter {
return $0 == piece
return $0.isSameTypeAndColor(asPiece: piece)
}
XCTAssert(matchingPieces.count != 0,
@@ -277,8 +277,8 @@ class BoardTests: XCTestCase {
board.setPiece(whiteKing, at: BoardLocation(index: 0))
board.setPiece(blackKing, at: BoardLocation(index: 1))
XCTAssert(board.getKing(color: .white) == whiteKing, "Unable to find white king")
XCTAssert(board.getKing(color: .black) == blackKing, "Unable to find black king")
XCTAssert(board.getKing(color: .white).isSameTypeAndColor(asPiece: whiteKing), "Unable to find white king")
XCTAssert(board.getKing(color: .black).isSameTypeAndColor(asPiece: blackKing), "Unable to find black king")
}
@@ -297,10 +297,10 @@ class BoardTests: XCTestCase {
board.setPiece(Piece(type: .pawn, color: .black), at: $0)
}
let returnedWhitelocations = board.getLocationsOfColor(.white)
let returnedWhitelocations = board.getLocations(of: .white)
XCTAssertEqual(whiteLocations.count, returnedWhitelocations.count)
let returnedBlacklocations = board.getLocationsOfColor(.black)
let returnedBlacklocations = board.getLocations(of: .black)
XCTAssertEqual(blackLocations.count, returnedBlacklocations.count)
whiteLocations.forEach { (location) in
@@ -673,8 +673,8 @@ class BoardTests: XCTestCase {
var gameBoard = board.board
// move then back
gameBoard.movePiece(fromLocation: startLocation, toLocation: newLocation)
gameBoard.movePiece(fromLocation: newLocation, toLocation: startLocation)
gameBoard.movePiece(from: startLocation, to: newLocation)
gameBoard.movePiece(from: newLocation, to: startLocation)
XCTAssertFalse(gameBoard.canColorCastle(color: .white, side: .kingSide))
}
@@ -695,8 +695,8 @@ class BoardTests: XCTestCase {
var gameBoard = board.board
// move then back
gameBoard.movePiece(fromLocation: startLocation, toLocation: newLocation)
gameBoard.movePiece(fromLocation: newLocation, toLocation: startLocation)
gameBoard.movePiece(from: startLocation, to: newLocation)
gameBoard.movePiece(from: newLocation, to: startLocation)
XCTAssertFalse(gameBoard.canColorCastle(color: .white, side: .kingSide))
}
@@ -1053,8 +1053,8 @@ class BoardTests: XCTestCase {
let sourceLocation = BoardLocation(x: 0, y: 1)
let targetLocation = BoardLocation(x: 0, y: 3)
board1.movePiece(fromLocation: sourceLocation, toLocation: targetLocation)
board2.movePiece(fromLocation: sourceLocation, toLocation: targetLocation)
board1.movePiece(from: sourceLocation, to: targetLocation)
board2.movePiece(from: sourceLocation, to: targetLocation)
XCTAssertEqual(board1, board2)
}
@@ -1062,8 +1062,8 @@ class BoardTests: XCTestCase {
func testNonEqualBoardsAreNotEqual() {
var board1 = Board(state: .newGame)
board1.movePiece(fromLocation: BoardLocation(x: 0, y: 1),
toLocation: BoardLocation(x: 0, y: 3))
board1.movePiece(from: BoardLocation(x: 0, y: 1),
to: BoardLocation(x: 0, y: 3))
let board2 = Board(state: .newGame)
@@ -1089,11 +1089,11 @@ class BoardTests: XCTestCase {
func testPieceLocationsAreCorrectAfterMoves() {
var board = Board(state: .newGame)
board.movePiece(fromLocation: BoardLocation(gridPosition: .e2),
toLocation: BoardLocation(gridPosition: .e4))
board.movePiece(from: BoardLocation(gridPosition: .e2),
to: BoardLocation(gridPosition: .e4))
board.movePiece(fromLocation: BoardLocation(gridPosition: .d7),
toLocation: BoardLocation(gridPosition: .d5))
board.movePiece(from: BoardLocation(gridPosition: .d7),
to: BoardLocation(gridPosition: .d5))
for location in BoardLocation.all {
@@ -1104,5 +1104,22 @@ class BoardTests: XCTestCase {
XCTAssertEqual(piece.location, location)
}
}
// MARK: - Dictionary Representable
func testDictionaryRepresentable() {
let asciiBoard = ASCIIBoard(pieces: "r - - - g - - r" +
"p p p p p p p p" +
"- - - - - - - -" +
"- K - - - b - -" +
"- - B - - - k -" +
"- - - - - - - -" +
"P P P P P P P P" +
"R - - - G - - R" )
let board = asciiBoard.board
XCTAssertEqual(board, board.toDictionaryAndBack)
}
}
@@ -0,0 +1,19 @@
//
// DictionaryRepresentableExtensions.swift
// SwiftChessExampleTests
//
// Created by Steve Barnegren on 13/01/2018.
// Copyright © 2018 CocoaPods. All rights reserved.
//
import Foundation
@testable import SwiftChess
extension DictionaryRepresentable {
var toDictionaryAndBack: Self? {
let dictionary = self.dictionaryRepresentation
return Self(dictionary: dictionary)
}
}
+45 -4
View File
@@ -64,8 +64,8 @@ class GameTests: XCTestCase {
// White player moves pawn
do {
try whitePlayer.movePiece(fromLocation: BoardLocation(x: 0, y: 1),
toLocation: BoardLocation(x: 0, y: 2))
try whitePlayer.movePiece(from: BoardLocation(x: 0, y: 1),
to: BoardLocation(x: 0, y: 2))
} catch {
XCTFail("Expected to be able to move piece")
return
@@ -73,8 +73,8 @@ class GameTests: XCTestCase {
// Black player moves pawn
do {
try blackPlayer.movePiece(fromLocation: BoardLocation(x: 7, y: 6),
toLocation: BoardLocation(x: 7, y: 5))
try blackPlayer.movePiece(from: BoardLocation(x: 7, y: 6),
to: BoardLocation(x: 7, y: 5))
} catch {
XCTFail("Expected to be able to move piece")
return
@@ -107,4 +107,45 @@ class GameTests: XCTestCase {
XCTAssertTrue(game.state == Game.State.won(color: .black))
}
// MARK: - Game State Dictionary Representable
func testGameStateDictionaryRepresentable() {
let inProgress = Game.State.inProgress
XCTAssertEqual(inProgress, inProgress.toDictionaryAndBack)
let whiteStalemate = Game.State.staleMate(color: .white)
XCTAssertEqual(whiteStalemate, whiteStalemate.toDictionaryAndBack)
let blackStalemate = Game.State.staleMate(color: .black)
XCTAssertEqual(blackStalemate, blackStalemate.toDictionaryAndBack)
let whiteWon = Game.State.won(color: .white)
XCTAssertEqual(whiteWon, whiteWon.toDictionaryAndBack)
let blackWon = Game.State.won(color: .black)
XCTAssertEqual(blackWon, blackWon.toDictionaryAndBack)
}
// MARK: - Game Dictionary Representable
func testGameDictionaryRepresentable() {
do {
let whitePlayer = Human(color: .white)
let blackPlayer = Human(color: .black)
let board = Board(state: .newGame)
let game = Game(firstPlayer: whitePlayer, secondPlayer: blackPlayer, board: board, colorToMove: .white)
XCTAssertEqual(game, game.toDictionaryAndBack)
}
do {
let whitePlayer = Human(color: .white)
let blackPlayer = AIPlayer(color: .black, configuration: AIConfiguration(difficulty: .hard))
let board = Board(state: .newGame)
let game = Game(firstPlayer: whitePlayer, secondPlayer: blackPlayer, board: board, colorToMove: .black)
XCTAssertEqual(game, game.toDictionaryAndBack)
}
}
}
+2 -2
View File
@@ -39,8 +39,8 @@ class OpeningsTests: XCTestCase {
}
// Assert the piece can move
if piece.movement.canPieceMove(fromLocation: source, toLocation: target, board: board) {
board.movePiece(fromLocation: source, toLocation: target)
if piece.movement.canPieceMove(from: source, to: target, board: board) {
board.movePiece(from: source, to: target)
} else {
XCTFail("Cannot move piece from \(source) to \(target)")
}
+12 -12
View File
@@ -31,8 +31,8 @@ class PerformanceTests: XCTestCase {
self.measure {
BoardLocation.all.forEach {
_ = pawn.movement.canPieceMove(fromLocation: pawnLocation,
toLocation: $0,
_ = pawn.movement.canPieceMove(from: pawnLocation,
to: $0,
board: board)
}
}
@@ -62,8 +62,8 @@ class PerformanceTests: XCTestCase {
self.measure {
BoardLocation.all.forEach {
_ = queen.movement.canPieceMove(fromLocation: queenLocation,
toLocation: $0,
_ = queen.movement.canPieceMove(from: queenLocation,
to: $0,
board: board)
}
}
@@ -93,8 +93,8 @@ class PerformanceTests: XCTestCase {
self.measure {
BoardLocation.all.forEach {
_ = king.movement.canPieceMove(fromLocation: kingLocation,
toLocation: $0,
_ = king.movement.canPieceMove(from: kingLocation,
to: $0,
board: board)
}
}
@@ -124,8 +124,8 @@ class PerformanceTests: XCTestCase {
self.measure {
BoardLocation.all.forEach {
_ = knight.movement.canPieceMove(fromLocation: knightLocation,
toLocation: $0,
_ = knight.movement.canPieceMove(from: knightLocation,
to: $0,
board: board)
}
}
@@ -155,8 +155,8 @@ class PerformanceTests: XCTestCase {
self.measure {
BoardLocation.all.forEach {
_ = bishop.movement.canPieceMove(fromLocation: bishopLocation,
toLocation: $0,
_ = bishop.movement.canPieceMove(from: bishopLocation,
to: $0,
board: board)
}
}
@@ -186,8 +186,8 @@ class PerformanceTests: XCTestCase {
self.measure {
BoardLocation.all.forEach {
_ = rook.movement.canPieceMove(fromLocation: rookLocation,
toLocation: $0,
_ = rook.movement.canPieceMove(from: rookLocation,
to: $0,
board: board)
}
}
+75 -75
View File
@@ -39,10 +39,10 @@ class PieceMovementTests: XCTestCase {
for allowedIndex in allowedIndexes {
XCTAssertTrue(
movement.canPieceMove(fromLocation: BoardLocation(index: movingIndex),
toLocation: BoardLocation(index: allowedIndex),
movement.canPieceMove(from: BoardLocation(index: movingIndex),
to: BoardLocation(index: allowedIndex),
board: board.board),
"Allowed Index was invalid: \(allowedIndex)")
"Allowed index was invalid: \(allowedIndex)")
}
}
@@ -52,8 +52,8 @@ class PieceMovementTests: XCTestCase {
for invalidIndex in invalidIndexes {
XCTAssertFalse(
movement.canPieceMove(fromLocation: BoardLocation(index: movingIndex),
toLocation: BoardLocation(index: invalidIndex),
movement.canPieceMove(from: BoardLocation(index: movingIndex),
to: BoardLocation(index: invalidIndex),
board: board.board),
"Invalid index was valid: \(invalidIndex)")
}
@@ -66,8 +66,8 @@ class PieceMovementTests: XCTestCase {
let movingIndex = board.indexOfCharacter(from)
let targetIndex = board.indexOfCharacter(to)
return movement.canPieceMove(fromLocation: BoardLocation(index: movingIndex),
toLocation: BoardLocation(index: targetIndex),
return movement.canPieceMove(from: BoardLocation(index: movingIndex),
to: BoardLocation(index: targetIndex),
board: board.board)
}
@@ -237,8 +237,8 @@ class PieceMovementTests: XCTestCase {
let blackIndex = board.indexOfCharacter("B")
let movement = PieceMovementStraightLine()
XCTAssertTrue(movement.canPieceMove(fromLocation: BoardLocation(index: whiteIndex),
toLocation: BoardLocation(index: blackIndex),
XCTAssertTrue(movement.canPieceMove(from: BoardLocation(index: whiteIndex),
to: BoardLocation(index: blackIndex),
board: board.board))
}
@@ -257,8 +257,8 @@ class PieceMovementTests: XCTestCase {
let kingIndex = board.indexOfCharacter("g")
let movement = PieceMovementStraightLine()
XCTAssertFalse(movement.canPieceMove(fromLocation: BoardLocation(index: pieceIndex),
toLocation: BoardLocation(index: kingIndex),
XCTAssertFalse(movement.canPieceMove(from: BoardLocation(index: pieceIndex),
to: BoardLocation(index: kingIndex),
board: board.board))
}
@@ -414,8 +414,8 @@ class PieceMovementTests: XCTestCase {
let blackIndex = board.indexOfCharacter("B")
let movement = PieceMovementDiagonal()
XCTAssertTrue(movement.canPieceMove(fromLocation: BoardLocation(index: whiteIndex),
toLocation: BoardLocation(index: blackIndex),
XCTAssertTrue(movement.canPieceMove(from: BoardLocation(index: whiteIndex),
to: BoardLocation(index: blackIndex),
board: board.board))
}
@@ -434,8 +434,8 @@ class PieceMovementTests: XCTestCase {
let kingIndex = board.indexOfCharacter("g")
let movement = PieceMovementDiagonal()
XCTAssertFalse(movement.canPieceMove(fromLocation: BoardLocation(index: pieceIndex),
toLocation: BoardLocation(index: kingIndex),
XCTAssertFalse(movement.canPieceMove(from: BoardLocation(index: pieceIndex),
to: BoardLocation(index: kingIndex),
board: board.board))
}
@@ -645,7 +645,7 @@ class PieceMovementTests: XCTestCase {
let movement = PieceMovementKnight()
XCTAssert(movement.canPieceMove(fromLocation: location, toLocation: location, board: board) == false,
XCTAssert(movement.canPieceMove(from: location, to: location, board: board) == false,
"Expected piece could not move to its current position")
}
@@ -665,8 +665,8 @@ class PieceMovementTests: XCTestCase {
let blackIndex = board.indexOfCharacter("B")
let movement = PieceMovementKnight()
XCTAssertTrue(movement.canPieceMove(fromLocation: BoardLocation(index: whiteIndex),
toLocation: BoardLocation(index: blackIndex),
XCTAssertTrue(movement.canPieceMove(from: BoardLocation(index: whiteIndex),
to: BoardLocation(index: blackIndex),
board: board.board))
}
@@ -685,8 +685,8 @@ class PieceMovementTests: XCTestCase {
let kingIndex = board.indexOfCharacter("g")
let movement = PieceMovementKnight()
XCTAssertFalse(movement.canPieceMove(fromLocation: BoardLocation(index: pieceIndex),
toLocation: BoardLocation(index: kingIndex),
XCTAssertFalse(movement.canPieceMove(from: BoardLocation(index: pieceIndex),
to: BoardLocation(index: kingIndex),
board: board.board))
}
@@ -776,7 +776,7 @@ class PieceMovementTests: XCTestCase {
let movement = PieceMovementKing()
XCTAssert(movement.canPieceMove(fromLocation: location, toLocation: location, board: board) == false,
XCTAssert(movement.canPieceMove(from: location, to: location, board: board) == false,
"Expected piece could not move to its current position")
}
@@ -796,8 +796,8 @@ class PieceMovementTests: XCTestCase {
let blackIndex = board.indexOfCharacter("B")
let movement = PieceMovementKing()
XCTAssertTrue(movement.canPieceMove(fromLocation: BoardLocation(index: whiteIndex),
toLocation: BoardLocation(index: blackIndex),
XCTAssertTrue(movement.canPieceMove(from: BoardLocation(index: whiteIndex),
to: BoardLocation(index: blackIndex),
board: board.board))
}
@@ -816,8 +816,8 @@ class PieceMovementTests: XCTestCase {
let kingIndex = board.indexOfCharacter("g")
let movement = PieceMovementKing()
XCTAssertFalse(movement.canPieceMove(fromLocation: BoardLocation(index: pieceIndex),
toLocation: BoardLocation(index: kingIndex),
XCTAssertFalse(movement.canPieceMove(from: BoardLocation(index: pieceIndex),
to: BoardLocation(index: kingIndex),
board: board.board))
}
@@ -979,7 +979,7 @@ class PieceMovementTests: XCTestCase {
let movement = PieceMovementPawn()
XCTAssert(movement.canPieceMove(fromLocation: location, toLocation: location, board: board) == false,
XCTAssert(movement.canPieceMove(from: location, to: location, board: board) == false,
"Expected piece could not move to its current position")
}
@@ -1149,8 +1149,8 @@ class PieceMovementTests: XCTestCase {
let kingIndex = board.indexOfCharacter("g")
let movement = PieceMovementPawn()
XCTAssertFalse(movement.canPieceMove(fromLocation: BoardLocation(index: pieceIndex),
toLocation: BoardLocation(index: kingIndex),
XCTAssertFalse(movement.canPieceMove(from: BoardLocation(index: pieceIndex),
to: BoardLocation(index: kingIndex),
board: board.board))
}
@@ -1179,7 +1179,7 @@ class PieceMovementTests: XCTestCase {
}
do {
try whitePlayer.movePiece(fromLocation: startLocation, toLocation: targetLocation)
try whitePlayer.movePiece(from: startLocation, to: targetLocation)
} catch {
fatalError()
}
@@ -1207,7 +1207,7 @@ class PieceMovementTests: XCTestCase {
}
do {
try whitePlayer.movePiece(fromLocation: startLocation, toLocation: targetLocation)
try whitePlayer.movePiece(from: startLocation, to: targetLocation)
} catch {
fatalError()
}
@@ -1236,7 +1236,7 @@ class PieceMovementTests: XCTestCase {
}
do {
try whitePlayer.movePiece(fromLocation: startLocation, toLocation: targetLocation)
try whitePlayer.movePiece(from: startLocation, to: targetLocation)
} catch {
fatalError()
}
@@ -1251,7 +1251,7 @@ class PieceMovementTests: XCTestCase {
}
do {
try blackPlayer.movePiece(fromLocation: BoardLocation(x: 0, y: 6), toLocation: BoardLocation(x: 0, y: 5))
try blackPlayer.movePiece(from: BoardLocation(x: 0, y: 6), to: BoardLocation(x: 0, y: 5))
} catch {
fatalError()
}
@@ -1283,22 +1283,22 @@ class PieceMovementTests: XCTestCase {
// Black move two spaces
do {
try blackPlayer.movePiece(fromLocation: board.locationOfCharacter("p"),
toLocation: board.locationOfCharacter("*"))
try blackPlayer.movePiece(from: board.locationOfCharacter("p"),
to: board.locationOfCharacter("*"))
} catch {
fatalError()
}
// White should be able to take the black pawn using the en passant rule
let pieceMovement = PieceMovementPawn()
XCTAssertTrue(pieceMovement.canPieceMove(fromLocation: board.locationOfCharacter("P"),
toLocation: board.locationOfCharacter("+"),
XCTAssertTrue(pieceMovement.canPieceMove(from: board.locationOfCharacter("P"),
to: board.locationOfCharacter("+"),
board: game.board),
"Expected white to be able to make en passant move")
do {
try whitePlayer.movePiece(fromLocation: board.locationOfCharacter("P"),
toLocation: board.locationOfCharacter("+"))
try whitePlayer.movePiece(from: board.locationOfCharacter("P"),
to: board.locationOfCharacter("+"))
} catch {
XCTFail("Expected white to be able to execute en passant move")
}
@@ -1325,22 +1325,22 @@ class PieceMovementTests: XCTestCase {
// White move two spaces
do {
try whitePlayer.movePiece(fromLocation: board.locationOfCharacter("P"),
toLocation: board.locationOfCharacter("*"))
try whitePlayer.movePiece(from: board.locationOfCharacter("P"),
to: board.locationOfCharacter("*"))
} catch {
fatalError()
}
// Black should be able to take the white pawn using the en passant rule
let pieceMovement = PieceMovementPawn()
XCTAssertTrue(pieceMovement.canPieceMove(fromLocation: board.locationOfCharacter("p"),
toLocation: board.locationOfCharacter("+"),
XCTAssertTrue(pieceMovement.canPieceMove(from: board.locationOfCharacter("p"),
to: board.locationOfCharacter("+"),
board: game.board),
"Expected black to be able to make en passant move")
do {
try blackPlayer.movePiece(fromLocation: board.locationOfCharacter("p"),
toLocation: board.locationOfCharacter("+"))
try blackPlayer.movePiece(from: board.locationOfCharacter("p"),
to: board.locationOfCharacter("+"))
} catch {
XCTFail("Expected black to be able to execute en passant move")
}
@@ -1367,32 +1367,32 @@ class PieceMovementTests: XCTestCase {
// Black move two spaces
do {
try blackPlayer.movePiece(fromLocation: board.locationOfCharacter("p"),
toLocation: board.locationOfCharacter("*"))
try blackPlayer.movePiece(from: board.locationOfCharacter("p"),
to: board.locationOfCharacter("*"))
} catch {
fatalError()
}
// White moves king
do {
try whitePlayer.movePiece(fromLocation: board.locationOfCharacter("G"),
toLocation: board.locationOfCharacter("&"))
try whitePlayer.movePiece(from: board.locationOfCharacter("G"),
to: board.locationOfCharacter("&"))
} catch {
fatalError()
}
// Black moves king
do {
try blackPlayer.movePiece(fromLocation: board.locationOfCharacter("g"),
toLocation: board.locationOfCharacter("%"))
try blackPlayer.movePiece(from: board.locationOfCharacter("g"),
to: board.locationOfCharacter("%"))
} catch {
fatalError()
}
// White should not be able to take the black pawn using the en passant rule
let pieceMovement = PieceMovementPawn()
XCTAssertFalse(pieceMovement.canPieceMove(fromLocation: board.locationOfCharacter("P"),
toLocation: board.locationOfCharacter("+"),
XCTAssertFalse(pieceMovement.canPieceMove(from: board.locationOfCharacter("P"),
to: board.locationOfCharacter("+"),
board: game.board))
}
@@ -1414,32 +1414,32 @@ class PieceMovementTests: XCTestCase {
// White moves pawn two spaces
do {
try whitePlayer.movePiece(fromLocation: board.locationOfCharacter("P"),
toLocation: board.locationOfCharacter("*"))
try whitePlayer.movePiece(from: board.locationOfCharacter("P"),
to: board.locationOfCharacter("*"))
} catch {
fatalError()
}
// Black moves king
do {
try blackPlayer.movePiece(fromLocation: board.locationOfCharacter("g"),
toLocation: board.locationOfCharacter("%"))
try blackPlayer.movePiece(from: board.locationOfCharacter("g"),
to: board.locationOfCharacter("%"))
} catch {
fatalError()
}
// White moves king
do {
try whitePlayer.movePiece(fromLocation: board.locationOfCharacter("G"),
toLocation: board.locationOfCharacter("&"))
try whitePlayer.movePiece(from: board.locationOfCharacter("G"),
to: board.locationOfCharacter("&"))
} catch {
fatalError()
}
// Black should not be able to take the white pawn using the en passant rule
let pieceMovement = PieceMovementPawn()
XCTAssertFalse(pieceMovement.canPieceMove(fromLocation: board.locationOfCharacter("p"),
toLocation: board.locationOfCharacter("+"),
XCTAssertFalse(pieceMovement.canPieceMove(from: board.locationOfCharacter("p"),
to: board.locationOfCharacter("+"),
board: game.board))
}
@@ -1529,7 +1529,7 @@ class PieceMovementTests: XCTestCase {
let movement = PieceMovementQueen()
XCTAssert(movement.canPieceMove(fromLocation: location, toLocation: location, board: board) == false,
XCTAssert(movement.canPieceMove(from: location, to: location, board: board) == false,
"Expected piece could not move to its current position")
}
@@ -1549,8 +1549,8 @@ class PieceMovementTests: XCTestCase {
let blackIndex = board.indexOfCharacter("B")
let movement = PieceMovementQueen()
XCTAssertTrue(movement.canPieceMove(fromLocation: BoardLocation(index: whiteIndex),
toLocation: BoardLocation(index: blackIndex),
XCTAssertTrue(movement.canPieceMove(from: BoardLocation(index: whiteIndex),
to: BoardLocation(index: blackIndex),
board: board.board))
}
@@ -1569,8 +1569,8 @@ class PieceMovementTests: XCTestCase {
let kingIndex = board.indexOfCharacter("g")
let movement = PieceMovementQueen()
XCTAssertFalse(movement.canPieceMove(fromLocation: BoardLocation(index: pieceIndex),
toLocation: BoardLocation(index: kingIndex),
XCTAssertFalse(movement.canPieceMove(from: BoardLocation(index: pieceIndex),
to: BoardLocation(index: kingIndex),
board: board.board))
}
@@ -1660,7 +1660,7 @@ class PieceMovementTests: XCTestCase {
let movement = PieceMovementRook()
XCTAssert(movement.canPieceMove(fromLocation: location, toLocation: location, board: board) == false,
XCTAssert(movement.canPieceMove(from: location, to: location, board: board) == false,
"Expected piece could not move to its current position")
}
@@ -1680,8 +1680,8 @@ class PieceMovementTests: XCTestCase {
let blackIndex = board.indexOfCharacter("B")
let movement = PieceMovementRook()
XCTAssertTrue(movement.canPieceMove(fromLocation: BoardLocation(index: whiteIndex),
toLocation: BoardLocation(index: blackIndex),
XCTAssertTrue(movement.canPieceMove(from: BoardLocation(index: whiteIndex),
to: BoardLocation(index: blackIndex),
board: board.board))
}
@@ -1700,8 +1700,8 @@ class PieceMovementTests: XCTestCase {
let kingIndex = board.indexOfCharacter("g")
let movement = PieceMovementRook()
XCTAssertFalse(movement.canPieceMove(fromLocation: BoardLocation(index: pieceIndex),
toLocation: BoardLocation(index: kingIndex),
XCTAssertFalse(movement.canPieceMove(from: BoardLocation(index: pieceIndex),
to: BoardLocation(index: kingIndex),
board: board.board))
}
@@ -1791,7 +1791,7 @@ class PieceMovementTests: XCTestCase {
let movement = PieceMovementBishop()
XCTAssert(movement.canPieceMove(fromLocation: location, toLocation: location, board: board) == false,
XCTAssert(movement.canPieceMove(from: location, to: location, board: board) == false,
"Expected piece could not move to its current position")
}
@@ -1811,8 +1811,8 @@ class PieceMovementTests: XCTestCase {
let blackIndex = board.indexOfCharacter("B")
let movement = PieceMovementBishop()
XCTAssertTrue(movement.canPieceMove(fromLocation: BoardLocation(index: whiteIndex),
toLocation: BoardLocation(index: blackIndex),
XCTAssertTrue(movement.canPieceMove(from: BoardLocation(index: whiteIndex),
to: BoardLocation(index: blackIndex),
board: board.board))
}
@@ -1831,8 +1831,8 @@ class PieceMovementTests: XCTestCase {
let kingIndex = board.indexOfCharacter("g")
let movement = PieceMovementBishop()
XCTAssertFalse(movement.canPieceMove(fromLocation: BoardLocation(index: pieceIndex),
toLocation: BoardLocation(index: kingIndex),
XCTAssertFalse(movement.canPieceMove(from: BoardLocation(index: pieceIndex),
to: BoardLocation(index: kingIndex),
board: board.board))
}
+20 -1
View File
@@ -7,7 +7,7 @@
//
import XCTest
import SwiftChess
@testable import SwiftChess
class PieceTests: XCTestCase {
@@ -38,4 +38,23 @@ class PieceTests: XCTestCase {
}
}
// MARK: - DictionaryRepresentable
func testPieceDictionaryRepresentable() {
var piece1 = Piece(type: .pawn, color: .white)
piece1.tag = 0
piece1.hasMoved = false
piece1.canBeTakenByEnPassant = false
piece1.location = BoardLocation(index: 0)
XCTAssertEqual(piece1, piece1.toDictionaryAndBack)
var piece2 = Piece(type: .bishop, color: .black)
piece2.tag = 15
piece2.hasMoved = true
piece2.canBeTakenByEnPassant = true
piece2.location = BoardLocation(index: 15)
XCTAssertEqual(piece2, piece2.toDictionaryAndBack)
}
}
+55 -17
View File
@@ -33,21 +33,21 @@ class PlayerTests: XCTestCase {
func testOccupliesSquareAtLocationReturnsTrueWhenOccupiedByPlayerPiece() {
let location = BoardLocation(index: 0) // <-- should be occupied by white
XCTAssert(game.whitePlayer.occupiesSquareAt(location: location),
XCTAssert(game.whitePlayer.occupiesSquare(at: location),
"Expected square to be occupied by player color")
}
func testOccupliesSquareAtLocationReturnsFalseWhenSquareEmpty() {
let location = BoardLocation(x: 0, y: 2) // <-- should be empty
XCTAssert(game.whitePlayer.occupiesSquareAt(location: location) == false,
XCTAssert(game.whitePlayer.occupiesSquare(at: location) == false,
"Expected square to not be occupied by player color")
}
func testOccupliesSquareAtLocationReturnsFalseWhenOccupiedByOppositeColor() {
let location = BoardLocation(x: 0, y: 7) // <-- should be occupied by black
XCTAssert(game.whitePlayer.occupiesSquareAt(location: location) == false,
XCTAssert(game.whitePlayer.occupiesSquare(at: location) == false,
"Expected square to not be occupied by player color")
}
@@ -55,7 +55,13 @@ class PlayerTests: XCTestCase {
func testPlayerCannotMovePieceToSameLocation() {
let location = BoardLocation(index: 0)
XCTAssert(game.whitePlayer.canMovePiece(fromLocation: location, toLocation: location) == false)
do {
let canMove = try game.whitePlayer.canMovePiece(from: location, to: location)
XCTAssertNil(canMove)
} catch let error {
XCTAssert(error as! Player.MoveError == .movingToSameLocation)
}
}
// MARK: - Move Errors
@@ -91,8 +97,12 @@ class PlayerTests: XCTestCase {
}
// Assert that the correct error is thrown
XCTAssertTrue(player.canMovePieceWithError(fromLocation: queenLocation,
toLocation: targetLocation).error == .cannotMoveInToCheck)
do {
let canMove = try player.canMovePiece(from: queenLocation, to: targetLocation)
XCTAssertNil(canMove)
} catch let error {
XCTAssert(error as! Player.MoveError == .cannotMoveInToCheck)
}
}
func testMoveInToCheckErrorIsThrownByMovingPawn() {
@@ -116,8 +126,12 @@ class PlayerTests: XCTestCase {
}
// Assert that the correct error is thrown
XCTAssertTrue(player.canMovePieceWithError(fromLocation: pieceLocation,
toLocation: targetLocation).error == .cannotMoveInToCheck)
do {
let canMove = try player.canMovePiece(from: pieceLocation, to: targetLocation)
XCTAssertNil(canMove)
} catch let error {
XCTAssert(error as! Player.MoveError == .cannotMoveInToCheck)
}
}
func testMoveInToCheckErrorIsThrownByMovingKnight() {
@@ -141,8 +155,12 @@ class PlayerTests: XCTestCase {
}
// Assert that the correct error is thrown
XCTAssertTrue(player.canMovePieceWithError(fromLocation: pieceLocation,
toLocation: targetLocation).error == .cannotMoveInToCheck)
do {
let canMove = try player.canMovePiece(from: pieceLocation, to: targetLocation)
XCTAssertNil(canMove)
} catch let error {
XCTAssert(error as! Player.MoveError == .cannotMoveInToCheck)
}
}
func testMoveInToCheckErrorIsThrownByMovingBishop() {
@@ -166,8 +184,12 @@ class PlayerTests: XCTestCase {
}
// Assert that the correct error is thrown
XCTAssertTrue(player.canMovePieceWithError(fromLocation: pieceLocation,
toLocation: targetLocation).error == .cannotMoveInToCheck)
do {
let canMove = try player.canMovePiece(from: pieceLocation, to: targetLocation)
XCTAssertNil(canMove)
} catch let error {
XCTAssert(error as! Player.MoveError == .cannotMoveInToCheck)
}
}
func testMoveInToCheckErrorIsThrownByMovingRook() {
@@ -191,8 +213,12 @@ class PlayerTests: XCTestCase {
}
// Assert that the correct error is thrown
XCTAssertTrue(player.canMovePieceWithError(fromLocation: pieceLocation,
toLocation: targetLocation).error == .cannotMoveInToCheck)
do {
let canMove = try player.canMovePiece(from: pieceLocation, to: targetLocation)
XCTAssertNil(canMove)
} catch let error {
XCTAssert(error as! Player.MoveError == .cannotMoveInToCheck)
}
}
func testMoveInToCheckErrorIsThrownByMovingKing() {
@@ -216,8 +242,20 @@ class PlayerTests: XCTestCase {
}
// Assert that the correct error is thrown
XCTAssertTrue(player.canMovePieceWithError(fromLocation: pieceLocation,
toLocation: targetLocation).error == .cannotMoveInToCheck)
}
do {
let canMove = try player.canMovePiece(from: pieceLocation, to: targetLocation)
XCTAssertNil(canMove)
} catch let error {
XCTAssert(error as! Player.MoveError == .cannotMoveInToCheck)
}
}
// MARK: - Human dictionary Representable
func testHumanDictionaryRepresentable() {
let whiteHuman = Human(color: .white)
XCTAssertEqual(whiteHuman, whiteHuman.toDictionaryAndBack)
}
}
+24
View File
@@ -0,0 +1,24 @@
//
// SquareTests.swift
// SwiftChessExampleTests
//
// Created by Steve Barnegren on 13/01/2018.
// Copyright © 2018 CocoaPods. All rights reserved.
//
import XCTest
@testable import SwiftChess
class SquareTests: XCTestCase {
func testDictionaryRepresentable() {
let piece = Piece(type: .bishop, color: .black)
let squareWithPiece = Square(piece: piece)
XCTAssertEqual(squareWithPiece, squareWithPiece.toDictionaryAndBack)
let squareWithoutPiece = Square(piece: nil)
XCTAssertEqual(squareWithoutPiece, squareWithoutPiece.toDictionaryAndBack)
}
}
+3 -3
View File
@@ -46,12 +46,12 @@ let game = Game(firstPlayer: whitePlayer, secondPlayer: blackPlayer)
```
if let player = game.currentPlayer as? Human {
let currentLocation = BoardLocation(x: 4, y: 1)
let newLocation = BoardLocation(x: 4, y: 2)
try! player.movePiece(fromLocation: currentLocation,
toLocation: newLocation)
try! player.movePiece(from: currentLocation,
to: newLocation)
}
```
+2 -2
View File
@@ -8,7 +8,7 @@
Pod::Spec.new do |s|
s.name = 'SwiftChess'
s.version = '0.2.0'
s.version = '1.0'
s.summary = 'Chess engine written in Swift'
# This description is used to generate tags and improve search results.
@@ -18,7 +18,7 @@ Pod::Spec.new do |s|
# * Finally, don't worry about the indent, CocoaPods strips it!
s.description = <<-DESC
Chess engine written in Swift
Chess engine written in Swift, support player vs player, and player vs AI games.
DESC
s.homepage = 'https://github.com/SteveBarnegren/SwiftChess'
+55 -10
View File
@@ -27,16 +27,16 @@ public struct AIConfiguration {
}
public let difficulty: Difficulty!
var suicideMultipler: ConfigurationValue!
var boardRaterCountPiecesWeighting: ConfigurationValue!
var boardRaterBoardDominanceWeighting: ConfigurationValue!
var boardRaterCenterOwnershipWeighting: ConfigurationValue!
var boardRaterCenterDominanceWeighting: ConfigurationValue!
var boardRaterThreatenedPiecesWeighting: ConfigurationValue!
var boardRaterPawnProgressionWeighting: ConfigurationValue!
var boardRaterKingSurroundingPossessionWeighting: ConfigurationValue!
var boardRaterCheckMateOpportunityWeighting: ConfigurationValue!
var boardRaterCenterFourOccupationWeighting: ConfigurationValue!
internal var suicideMultipler: ConfigurationValue
internal var boardRaterCountPiecesWeighting: ConfigurationValue
internal var boardRaterBoardDominanceWeighting: ConfigurationValue
internal var boardRaterCenterOwnershipWeighting: ConfigurationValue
internal var boardRaterCenterDominanceWeighting: ConfigurationValue
internal var boardRaterThreatenedPiecesWeighting: ConfigurationValue
internal var boardRaterPawnProgressionWeighting: ConfigurationValue
internal var boardRaterKingSurroundingPossessionWeighting: ConfigurationValue
internal var boardRaterCheckMateOpportunityWeighting: ConfigurationValue
internal var boardRaterCenterFourOccupationWeighting: ConfigurationValue
public init(difficulty: Difficulty) {
@@ -66,4 +66,49 @@ public struct AIConfiguration {
boardRaterCenterFourOccupationWeighting = makeValue(0.1, 0.3)
}
internal init() {
let zeroValue = ConfigurationValue(easyValue: 0, difficultValue: 0, multiplier: 0)
difficulty = .easy
suicideMultipler = zeroValue
boardRaterCountPiecesWeighting = zeroValue
boardRaterBoardDominanceWeighting = zeroValue
boardRaterCenterOwnershipWeighting = zeroValue
boardRaterCenterDominanceWeighting = zeroValue
boardRaterThreatenedPiecesWeighting = zeroValue
boardRaterPawnProgressionWeighting = zeroValue
boardRaterKingSurroundingPossessionWeighting = zeroValue
boardRaterCheckMateOpportunityWeighting = zeroValue
boardRaterCenterFourOccupationWeighting = zeroValue
}
}
extension AIConfiguration: DictionaryRepresentable {
struct Keys {
static let difficulty = "difficulty"
}
init?(dictionary: [String: Any]) {
if let raw = dictionary[Keys.difficulty] as? Int, let difficulty = Difficulty(rawValue: raw) {
self.init(difficulty: difficulty)
} else {
return nil
}
}
var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
dictionary[Keys.difficulty] = difficulty.rawValue
return dictionary
}
}
extension AIConfiguration: Equatable {
public static func == (lhs: AIConfiguration, rhs: AIConfiguration) -> Bool {
return lhs.difficulty == rhs.difficulty
}
}
+60 -26
View File
@@ -9,10 +9,10 @@
// swiftlint:disable for_where
import Foundation
open class AIPlayer: Player {
public final class AIPlayer: Player {
let boardRaters: [BoardRater]!
public var configuration: AIConfiguration!
public let configuration: AIConfiguration!
var openingMoves = [OpeningMove]()
public init(color: Color, configuration: AIConfiguration) {
@@ -31,7 +31,7 @@ open class AIPlayer: Player {
BoardRaterCenterFourOccupation(configuration: configuration)
]
openingMoves = Opening.allOpeningMoves(forColor: color)
openingMoves = Opening.allOpeningMoves(for: color)
super.init()
self.color = color
@@ -58,13 +58,13 @@ open class AIPlayer: Player {
var move: Move!
// Get an opening move
if let openingMove = openingMoveForBoard(board) {
if let openingMove = openingMove(for: board) {
//print("Playing opening move")
move = openingMove
}
// Or, get the Highest rated move
else {
move = highestRatedMoveOnBoard(board)
move = highestRatedMove(on: board)
}
// Make move
@@ -72,7 +72,7 @@ open class AIPlayer: Player {
switch move.type {
case .singlePiece(let sourceLocation, let targetLocation):
operations = game.board.movePiece(fromLocation: sourceLocation, toLocation: targetLocation)
operations = game.board.movePiece(from: sourceLocation, to: targetLocation)
case .castle(let color, let side):
operations = game.board.performCastle(color: color, side: side)
}
@@ -81,7 +81,7 @@ open class AIPlayer: Player {
let pawnsToPromoteLocations = game.board.getLocationsOfPromotablePawns(color: color)
assert(pawnsToPromoteLocations.count < 2, "There should only ever be one pawn to promote at any time")
if pawnsToPromoteLocations.count > 0 {
game.board = promotePawnsOnBoard(game.board)
game.board = promotePawns(on: game.board)
let location = pawnsToPromoteLocations.first!
let transformOperation = BoardOperation(type: .transformPiece,
@@ -96,7 +96,7 @@ open class AIPlayer: Player {
}
}
func openingMoveForBoard(_ board: Board) -> Move? {
func openingMove(for board: Board) -> Move? {
let possibleMoves = openingMoves.filter {
$0.board == board
@@ -109,12 +109,12 @@ open class AIPlayer: Player {
let index = Int(arc4random_uniform(UInt32(possibleMoves.count)))
let openingMove = possibleMoves[index]
return Move(type: .singlePiece(sourceLocation: openingMove.fromLocation,
targetLocation: openingMove.toLocation),
return Move(type: .singlePiece(from: openingMove.fromLocation,
to: openingMove.toLocation),
rating: 0)
}
func highestRatedMoveOnBoard(_ board: Board) -> Move {
func highestRatedMove(on board: Board) -> Move {
var possibleMoves = [Move]()
@@ -130,30 +130,30 @@ open class AIPlayer: Player {
for targetLocation in BoardLocation.all {
guard canAIMovePiece(fromLocation: sourceLocation, toLocation: targetLocation) else {
guard canAIMovePiece(from: sourceLocation, to: targetLocation) else {
continue
}
// Make move
var resultBoard = board
resultBoard.movePiece(fromLocation: sourceLocation, toLocation: targetLocation)
resultBoard.movePiece(from: sourceLocation, to: targetLocation)
// Promote pawns
let pawnsToPromoteLocations = resultBoard.getLocationsOfPromotablePawns(color: color)
assert(pawnsToPromoteLocations.count < 2, "There should only ever be one pawn to promote at any time")
if pawnsToPromoteLocations.count > 0 {
resultBoard = promotePawnsOnBoard(resultBoard)
resultBoard = promotePawns(on: resultBoard)
}
// Rate
var rating = ratingForBoard(resultBoard)
// reduce rating if suicide
if resultBoard.canColorMoveAnyPieceToLocation(color: color.opposite(), location: targetLocation) {
if resultBoard.canColorMoveAnyPieceToLocation(color: color.opposite, location: targetLocation) {
rating -= (abs(rating) * configuration.suicideMultipler.value)
}
let move = Move(type: .singlePiece(sourceLocation: sourceLocation, targetLocation: targetLocation),
let move = Move(type: .singlePiece(from: sourceLocation, to: targetLocation),
rating: rating)
possibleMoves.append(move)
// print("Rating: \(rating)")
@@ -202,16 +202,15 @@ open class AIPlayer: Player {
return highestRatedMove
}
func canAIMovePiece(fromLocation: BoardLocation, toLocation: BoardLocation) -> Bool {
func canAIMovePiece(from fromLocation: BoardLocation, to toLocation: BoardLocation) -> Bool {
// This is a stricter version of the canMove function, used by the AI, that returns false for errors
let canMove = canMovePieceWithError(fromLocation: fromLocation, toLocation: toLocation)
if canMove.error != nil {
do {
return try canMovePiece(from: fromLocation, to: toLocation)
} catch {
return false
}
return canMove.result
}
func ratingForBoard(_ board: Board) -> Double {
@@ -220,7 +219,7 @@ open class AIPlayer: Player {
for boardRater in boardRaters {
let result = boardRater.ratingfor(board: board, color: color)
let result = boardRater.ratingFor(board: board, color: color)
//let className = "\(boardRater)"
//print("\t\(className): \(result)")
@@ -228,14 +227,14 @@ open class AIPlayer: Player {
}
// If opponent is in check mate, set the maximum rating
if board.isColorInCheckMate(color: color.opposite()) {
if board.isColorInCheckMate(color: color.opposite) {
rating = Double.greatestFiniteMagnitude
}
return rating
}
func promotePawnsOnBoard(_ board: Board) -> Board {
func promotePawns(on board: Board) -> Board {
let pawnsToPromoteLocations = board.getLocationsOfPromotablePawns(color: color)
@@ -279,10 +278,45 @@ open class AIPlayer: Player {
}
}
extension AIPlayer: Equatable {
public static func == (lhs: AIPlayer, rhs: AIPlayer) -> Bool {
return lhs.color == rhs.color && lhs.configuration == rhs.configuration
}
}
extension AIPlayer: DictionaryRepresentable {
struct Keys {
static let color = "color"
static let configuration = "configuration"
}
convenience init?(dictionary: [String: Any]) {
guard
let colorRaw = dictionary[Keys.color] as? String,
let color = Color(rawValue: colorRaw),
let configurationDict = dictionary[Keys.configuration] as? [String: Any],
let configuration = AIConfiguration(dictionary: configurationDict) else {
return nil
}
self.init(color: color, configuration: configuration)
}
var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
dictionary[Keys.color] = color.rawValue
dictionary[Keys.configuration] = configuration.dictionaryRepresentation
return dictionary
}
}
struct Move {
enum MoveType {
case singlePiece(sourceLocation: BoardLocation, targetLocation: BoardLocation)
case singlePiece(from: BoardLocation, to: BoardLocation)
case castle(color: Color, side: CastleSide)
}
@@ -300,7 +334,7 @@ internal class BoardRater {
self.configuration = configuration
}
func ratingfor(board: Board, color: Color) -> Double {
func ratingFor(board: Board, color: Color) -> Double {
fatalError("Override ratingFor method in subclasses")
}
}
+22 -5
View File
@@ -18,7 +18,7 @@ func transformASCIIBoardInput(_ input: String) -> String {
for x in 0...7 {
let index = y*8 + x
transformedArt.append(boardArt[boardArt.characters.index(boardArt.startIndex, offsetBy: index)])
transformedArt.append(boardArt[boardArt.index(boardArt.startIndex, offsetBy: index)])
}
}
@@ -39,7 +39,11 @@ public struct ASCIIBoard {
artString = transformASCIIBoardInput(artString)
// Check string format
#if swift(>=3.2)
assert(artString.count == 64, "ASCII board art must be 128 characters long")
#else
assert(artString.characters.count == 64, "ASCII board art must be 128 characters long")
#endif
self.artString = artString
self.stringContainsColors = false
@@ -66,14 +70,17 @@ public struct ASCIIBoard {
// Clear all pieces on the board
BoardLocation.all.forEach {
board.removePiece(atLocation: $0)
board.removePiece(at: $0)
}
// Setup pieces from ascii art
(0..<64).forEach {
#if swift(>=3.2)
let character = boardArt[boardArt.index(boardArt.startIndex, offsetBy: $0)]
#else
let character = boardArt[boardArt.characters.index(boardArt.startIndex, offsetBy: $0)]
if let piece = pieceFromCharacter(character) {
#endif
if let piece = piece(from: character) {
board.setPiece(piece, at: BoardLocation(index: $0))
}
}
@@ -81,7 +88,7 @@ public struct ASCIIBoard {
return board
}
func pieceFromCharacter(_ character: Character) -> Piece? {
func piece(from character: Character) -> Piece? {
var piece: Piece?
@@ -121,9 +128,15 @@ public struct ASCIIBoard {
var index: Int?
#if swift(>=3.2)
if let idx = artString.index(of: character) {
index = artString.distance(from: artString.startIndex, to: idx)
}
#else
if let idx = artString.characters.index(of: character) {
index = artString.characters.distance(from: artString.startIndex, to: idx)
}
#endif
assert(index != nil, "Unable to find index of character: \(character)")
return index!
@@ -140,7 +153,11 @@ public struct ASCIIBoard {
var indexes = [Int]()
(0..<64).forEach {
#if swift(>=3.2)
let aCharacter = artString[artString.index(artString.startIndex, offsetBy: $0)]
#else
let aCharacter = artString[artString.characters.index(artString.startIndex, offsetBy: $0)]
#endif
if character == aCharacter {
indexes.append($0)
}
+97 -54
View File
@@ -29,12 +29,35 @@ public func == (lhs: Square, rhs: Square) -> Bool {
switch (lhs.piece, rhs.piece) {
case (.none, .none):
return true
case (.some, .none):
return false
case (.none, .some):
return false
case (.some(let rp), .some(let lp)):
return rp == lp
return rp.isSameTypeAndColor(asPiece: lp)
default:
return false
}
}
extension Square: DictionaryRepresentable {
struct Keys {
static let piece = "piece"
}
init?(dictionary: [String: Any]) {
if let dict = dictionary[Keys.piece] as? [String: Any], let piece = Piece(dictionary: dict) {
self.piece = piece
}
}
var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
if let piece = self.piece {
dictionary[Keys.piece] = piece.dictionaryRepresentation
}
return dictionary
}
}
@@ -48,6 +71,7 @@ public struct Board: Equatable {
}
public private(set) var squares = [Square]()
private var lastAssignedPieceTag = 0
// MARK: - Init
public init(state: InitialState) {
@@ -61,43 +85,35 @@ public struct Board: Equatable {
if state == .newGame {
setupForNewGame()
}
}
mutating func setupForNewGame() {
func setPieceAtIndex(_ piece: Piece, _ index: Int) {
setPiece(piece, at: BoardLocation(index: index))
}
let pieces: [Piece.PieceType] = [.rook, .knight, .bishop, .queen, .king, .bishop, .knight, .rook]
func makePiece(type: Piece.PieceType, color: Color) -> Piece {
lastAssignedPieceTag += 1
return Piece(type: type, color: color, tag: lastAssignedPieceTag)
}
// Setup white bottom row
setPieceAtIndex(Piece(type: .rook, color: .white), 0)
setPieceAtIndex(Piece(type: .knight, color: .white), 1)
setPieceAtIndex(Piece(type: .bishop, color: .white), 2)
setPieceAtIndex(Piece(type: .queen, color: .white), 3)
setPieceAtIndex(Piece(type: .king, color: .white), 4)
setPieceAtIndex(Piece(type: .bishop, color: .white), 5)
setPieceAtIndex(Piece(type: .knight, color: .white), 6)
setPieceAtIndex(Piece(type: .rook, color: .white), 7)
for i in 0...7 {
setPiece(makePiece(type: pieces[i], color: .white), at: BoardLocation(index: i))
}
// Setup white pawn row
for i in 8...15 {
setPieceAtIndex(Piece(type: .pawn, color: .white), i)
setPiece(makePiece(type: .pawn, color: .white), at: BoardLocation(index: i))
}
// Setup black bottom row
setPieceAtIndex(Piece(type: .rook, color: .black), 63)
setPieceAtIndex(Piece(type: .knight, color: .black), 62)
setPieceAtIndex(Piece(type: .bishop, color: .black), 61)
setPieceAtIndex(Piece(type: .king, color: .black), 60)
setPieceAtIndex(Piece(type: .queen, color: .black), 59)
setPieceAtIndex(Piece(type: .bishop, color: .black), 58)
setPieceAtIndex(Piece(type: .knight, color: .black), 57)
setPieceAtIndex(Piece(type: .rook, color: .black), 56)
for i in 56...63 {
setPiece(makePiece(type: pieces[i-56], color: .black), at: BoardLocation(index: i))
}
// Setup black pawn row
for i in 48...55 {
setPieceAtIndex(Piece(type: .pawn, color: .black), i)
setPiece(makePiece(type: .pawn, color: .black), at: BoardLocation(index: i))
}
}
@@ -112,12 +128,12 @@ public struct Board: Equatable {
return squares[location.index].piece
}
public mutating func removePiece(atLocation location: BoardLocation) {
public mutating func removePiece(at location: BoardLocation) {
squares[location.index].piece = nil
}
@discardableResult internal mutating func movePiece(fromLocation: BoardLocation,
toLocation: BoardLocation) -> [BoardOperation] {
@discardableResult internal mutating func movePiece(from fromLocation: BoardLocation,
to toLocation: BoardLocation) -> [BoardOperation] {
if toLocation == fromLocation {
return []
@@ -147,13 +163,13 @@ public struct Board: Equatable {
let stride = fromLocation.strideTo(location: toLocation)
let enPassentStride = BoardStride(x: stride.x, y: 0)
let enPassentLocation = fromLocation.incrementedBy(stride: enPassentStride)
let enPassentLocation = fromLocation.incremented(by: enPassentStride)
guard let enPassentPiece = getPiece(at: enPassentLocation) else {
break IF_EN_PASSANT
}
if enPassentPiece.canBeTakenByEnPassant && enPassentPiece.color == movingPiece.color.opposite() {
if enPassentPiece.canBeTakenByEnPassant && enPassentPiece.color == movingPiece.color.opposite {
squares[enPassentLocation.index].piece = nil
let operation = BoardOperation(type: .removePiece, piece: enPassentPiece, location: enPassentLocation)
operations.append(operation)
@@ -196,7 +212,7 @@ public struct Board: Equatable {
continue
}
if piece == Piece(type: .king, color: color) {
if piece.isSameTypeAndColor(asPiece: Piece(type: .king, color: color)) {
king = piece
break
}
@@ -223,7 +239,7 @@ public struct Board: Equatable {
fatalError("Couldn't find \(color) king. Kings should always exist")
}
public func getLocationsOfColor(_ color: Color) -> [BoardLocation] {
public func getLocations(of color: Color) -> [BoardLocation] {
var locations = [BoardLocation]()
@@ -306,7 +322,7 @@ public struct Board: Equatable {
}
// Work out if we're in check
let oppositionLocations = getLocationsOfColor( color.opposite() )
let oppositionLocations = getLocations(of: color.opposite)
// Pieces will not move to take the king, so change it for a pawn of the same color
var noKingBoard = self
@@ -318,7 +334,7 @@ public struct Board: Equatable {
continue
}
if piece.movement.canPieceMove(fromLocation: location, toLocation: kingLocation!, board: noKingBoard) {
if piece.movement.canPieceMove(from: location, to: kingLocation!, board: noKingBoard) {
return true
}
}
@@ -332,7 +348,7 @@ public struct Board: Equatable {
return false
}
for pieceLocation in getLocationsOfColor( color ) {
for pieceLocation in getLocations(of: color) {
guard let piece = getPiece(at: pieceLocation) else {
continue
@@ -340,13 +356,11 @@ public struct Board: Equatable {
for targetLocation in BoardLocation.all {
let canMove = piece.movement.canPieceMove(fromLocation: pieceLocation,
toLocation: targetLocation,
board: self)
let canMove = piece.movement.canPieceMove(from: pieceLocation, to: targetLocation, board: self)
if canMove {
var resultBoard = self
resultBoard.movePiece(fromLocation: pieceLocation, toLocation: targetLocation)
resultBoard.movePiece(from: pieceLocation, to: targetLocation)
if resultBoard.isColorInCheck(color: color) == false {
return false
}
@@ -368,7 +382,7 @@ public struct Board: Equatable {
func isColorAbleToMove(color: Color) -> Bool {
for pieceLocation in getLocationsOfColor(color) {
for pieceLocation in getLocations(of: color) {
guard let piece = getPiece(at: pieceLocation) else {
continue
@@ -376,16 +390,14 @@ public struct Board: Equatable {
for targetLocation in BoardLocation.all {
let canMove = piece.movement.canPieceMove(fromLocation: pieceLocation,
toLocation: targetLocation,
board: self)
let canMove = piece.movement.canPieceMove(from: pieceLocation, to: targetLocation, board: self)
guard canMove == true else {
continue
}
var resultBoard = self
resultBoard.movePiece(fromLocation: pieceLocation, toLocation: targetLocation)
resultBoard.movePiece(from: pieceLocation, to: targetLocation)
if resultBoard.isColorInCheck(color: color) == false {
return true
}
@@ -409,8 +421,7 @@ public struct Board: Equatable {
continue
}
if piece.movement.canPieceMove(fromLocation: BoardLocation(index: index),
toLocation: location, board: self) {
if piece.movement.canPieceMove(from: BoardLocation(index: index), to: location, board: self) {
return true
}
}
@@ -436,7 +447,7 @@ public struct Board: Equatable {
var locations = [BoardLocation]()
BoardLocation.all.forEach {
if piece.movement.canPieceMove(fromLocation: location, toLocation: $0, board: self) {
if piece.movement.canPieceMove(from: location, to: $0, board: self) {
locations.append($0)
}
}
@@ -561,7 +572,7 @@ public struct Board: Equatable {
var newBoard = self
let newLocation = BoardLocation(x: xPos, y: castleMove.yPos)
newBoard.movePiece(fromLocation: castleMove.kingStartLocation, toLocation: newLocation)
newBoard.movePiece(from: castleMove.kingStartLocation, to: newLocation)
if newBoard.isColorInCheck(color: color) {
return false
}
@@ -577,10 +588,10 @@ public struct Board: Equatable {
let castleMove = CastleMove(color: color, side: side)
let moveKingOperations = self.movePiece(fromLocation: castleMove.kingStartLocation,
toLocation: castleMove.kingEndLocation)
let moveRookOperations = self.movePiece(fromLocation: castleMove.rookStartLocation,
toLocation: castleMove.rookEndLocation)
let moveKingOperations = self.movePiece(from: castleMove.kingStartLocation,
to: castleMove.kingEndLocation)
let moveRookOperations = self.movePiece(from: castleMove.rookStartLocation,
to: castleMove.rookEndLocation)
return moveKingOperations + moveRookOperations
}
@@ -673,3 +684,35 @@ public struct Board: Equatable {
public func == (lhs: Board, rhs: Board) -> Bool {
return lhs.squares == rhs.squares
}
extension Board: DictionaryRepresentable {
struct Keys {
static let squares = "squares"
}
init?(dictionary: [String: Any]) {
guard let squaresDicts = dictionary[Keys.squares] as? [[String: Any]] else {
return nil
}
let squares = squaresDicts.flatMap { Square(dictionary: $0) }
if squares.count == 64 {
self.squares = squares
} else {
return nil
}
lastAssignedPieceTag = squares.flatMap { $0.piece }.map { $0.tag }.max() ?? 0
}
var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
let squares = self.squares.map { $0.dictionaryRepresentation }
dictionary[Keys.squares] = squares
return dictionary
}
}
+29 -8
View File
@@ -80,20 +80,18 @@ public struct BoardLocation: Equatable {
return self + BoardLocation(x: x, y: y)
}
func incrementedBy(stride: BoardStride) -> BoardLocation {
func incremented(by stride: BoardStride) -> BoardLocation {
// TODO: Only call this in debug mode to increace performance!
if !canIncrementBy(stride: stride) {
// swiftlint:disable line_length
print("WARNING! BoardLocation is being incremented by a stride that will result in wrapping! call canIncrementBy(stride: BoardStride) first")
// swiftlint:enable line_length
}
// swiftlint:disable line_length
assert(canIncrement(by: stride),
"BoardLocation is being incremented by a stride that will result in wrapping! call canIncrementBy(stride: BoardStride) first")
// swiftlint:enable line_length
return BoardLocation(x: x + stride.x,
y: y + stride.y)
}
func canIncrementBy(stride: BoardStride) -> Bool {
func canIncrement(by stride: BoardStride) -> Bool {
// Check will not wrap to right
if x + stride.x > 7 {
@@ -138,3 +136,26 @@ public func == (lhs: BoardLocation, rhs: BoardLocation) -> Bool {
public func + (left: BoardLocation, right: BoardLocation) -> BoardLocation {
return BoardLocation(index: left.index + right.index)
}
extension BoardLocation: DictionaryRepresentable {
struct Keys {
static let index = "index"
}
init?(dictionary: [String: Any]) {
guard let index = dictionary[Keys.index] as? Int else {
return nil
}
self.index = index
}
var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
dictionary[Keys.index] = index
return dictionary
}
}
@@ -10,7 +10,7 @@ import Foundation
class BoardRaterBoardDominance: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
let squareValue = Double(1)
@@ -24,7 +24,7 @@ class BoardRaterBoardDominance: BoardRater {
}
for targetLocation in BoardLocation.all {
if piece.movement.canPieceMove(fromLocation: sourcelocation, toLocation: targetLocation, board: board) {
if piece.movement.canPieceMove(from: sourcelocation, to: targetLocation, board: board) {
rating += (piece.color == color) ? squareValue : -squareValue
}
}
@@ -14,7 +14,7 @@ import Foundation
class BoardRaterCenterDominance: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
var rating = Double(0)
@@ -27,8 +27,8 @@ class BoardRaterCenterDominance: BoardRater {
for targetLocation in BoardLocation.all {
if sourceLocation == targetLocation ||
piece.movement.canPieceMove(fromLocation: sourceLocation,
toLocation: targetLocation,
piece.movement.canPieceMove(from: sourceLocation,
to: targetLocation,
board: board) {
let value = dominanceValueFor(location: targetLocation)
@@ -10,7 +10,7 @@ import Foundation
class BoardRaterCenterFourOccupation: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
let value = Double(1)
var rating = Double(0)
@@ -14,7 +14,7 @@ Rates the board according to which player's pieces are occupying the center of t
class BoardRaterCenterOwnership: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
var rating = Double(0)
@@ -16,7 +16,7 @@ import Foundation
class BoardRaterCheckMateOpportunity: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
let value = Double(1)
var rating = Double(0)
@@ -31,14 +31,14 @@ class BoardRaterCheckMateOpportunity: BoardRater {
let sourceLocation = BoardLocation(index: index)
if piece.movement.canPieceMove(fromLocation: sourceLocation, toLocation: location, board: board) {
if piece.movement.canPieceMove(from: sourceLocation, to: location, board: board) {
var movedBoard = board
movedBoard.movePiece(fromLocation: sourceLocation, toLocation: location)
movedBoard.movePiece(from: sourceLocation, to: location)
if piece.color == color && movedBoard.isColorInCheckMate(color: color.opposite()) {
if piece.color == color && movedBoard.isColorInCheckMate(color: color.opposite) {
rating += value
} else if piece.color == color.opposite() && movedBoard.isColorInCheckMate(color: color) {
} else if piece.color == color.opposite && movedBoard.isColorInCheckMate(color: color) {
rating -= value
}
}
@@ -10,7 +10,7 @@ import Foundation
class BoardRaterCountPieces: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
var rating: Double = 0
@@ -20,7 +20,7 @@ class BoardRaterCountPieces: BoardRater {
continue
}
rating += piece.color == color ? piece.value() : -piece.value()
rating += piece.color == color ? piece.value : -piece.value
}
return rating * configuration.boardRaterCountPiecesWeighting.value
@@ -10,18 +10,18 @@ import Foundation
class BoardRaterKingSurroundingPossession: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
let squareValue = Double(1)
var rating = Double(0)
let ownKingLocations = locationsSurroundingKing(color: color, board: board)
let opponentKingLocations = locationsSurroundingKing(color: color.opposite(), board: board)
let opponentKingLocations = locationsSurroundingKing(color: color.opposite, board: board)
// The kings will be able to move to their surrounding locations, so remove them from the board
var noKingsBoard = board
noKingsBoard.removePiece(atLocation: noKingsBoard.getKingLocation(color: .white))
noKingsBoard.removePiece(atLocation: noKingsBoard.getKingLocation(color: .black))
noKingsBoard.removePiece(at: noKingsBoard.getKingLocation(color: .white))
noKingsBoard.removePiece(at: noKingsBoard.getKingLocation(color: .black))
// we don't want to encourage the king to move out in to the open
rating += Double(8 - ownKingLocations.count) * squareValue * 3
@@ -33,14 +33,14 @@ class BoardRaterKingSurroundingPossession: BoardRater {
continue
}
if noKingsBoard.doesColorOccupyLocation(color: color.opposite(), location: location) {
if noKingsBoard.doesColorOccupyLocation(color: color.opposite, location: location) {
rating -= squareValue
continue
}
if noKingsBoard.canColorMoveAnyPieceToLocation(color: color, location: location) {
rating += squareValue
} else if noKingsBoard.canColorMoveAnyPieceToLocation(color: color.opposite(), location: location) {
} else if noKingsBoard.canColorMoveAnyPieceToLocation(color: color.opposite, location: location) {
rating -= squareValue
}
@@ -53,14 +53,14 @@ class BoardRaterKingSurroundingPossession: BoardRater {
continue
}
if noKingsBoard.doesColorOccupyLocation(color: color.opposite(), location: location) {
if noKingsBoard.doesColorOccupyLocation(color: color.opposite, location: location) {
rating -= squareValue
continue
}
if noKingsBoard.canColorMoveAnyPieceToLocation(color: color, location: location) {
rating += squareValue
} else if noKingsBoard.canColorMoveAnyPieceToLocation(color: color.opposite(), location: location) {
} else if noKingsBoard.canColorMoveAnyPieceToLocation(color: color.opposite, location: location) {
rating -= squareValue
}
}
@@ -87,8 +87,8 @@ class BoardRaterKingSurroundingPossession: BoardRater {
for stride in strides {
if kingLocation.canIncrementBy(stride: stride) {
let location = kingLocation.incrementedBy(stride: stride)
if kingLocation.canIncrement(by: stride) {
let location = kingLocation.incremented(by: stride)
surroundingLocations.append(location)
}
}
@@ -10,7 +10,7 @@ import Foundation
class BoardRaterPawnProgression: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
var rating = Double(0)
@@ -12,50 +12,50 @@ import Foundation
class BoardRaterThreatenedPieces: BoardRater {
override func ratingfor(board: Board, color: Color) -> Double {
override func ratingFor(board: Board, color: Color) -> Double {
let rating = board.getPieces(color: color)
.map { threatValue(forPiece: $0, onBoard: board) }
.map { threatValue(forPiece: $0, on: board) }
.reduce(0, +)
* configuration.boardRaterThreatenedPiecesWeighting.value
return rating
}
func threatValue(forPiece piece: Piece, onBoard board: Board) -> Double {
func threatValue(forPiece piece: Piece, on board: Board) -> Double {
let threatenedByPieces = getPieces(threatening: piece, onBoard: board)
let protectedByPieces = getPieces(protecting: piece, onBoard: board)
let threatenedByPieces = getPieces(threatening: piece, on: board)
let protectedByPieces = getPieces(protecting: piece, on: board)
let isThreatened = threatenedByPieces.count > 0
let isProtected = protectedByPieces.count > 0
// Threatened but not protected
if isThreatened && !isProtected {
return -piece.value() * 3
return -piece.value * 3
}
// Threatened, but protected (only return if the trade is not preferable)
if isThreatened && isProtected {
let lowestValueThreat = threatenedByPieces.lowestPieceValue()
let lowestValueThreat = threatenedByPieces.lowestPieceValue
if lowestValueThreat < piece.value() {
return -piece.value()
if lowestValueThreat < piece.value {
return -piece.value
}
// Here we could bump the value to encourage a good trade?
}
let targetPieces = getPieces(threatenedBy: piece, onBoard: board)
let targetPieces = getPieces(threatenedBy: piece, on: board)
for targetPiece in targetPieces {
let isTargetProtected = isPieceProtected(targetPiece, onBoard: board)
let isTargetProtected = isPieceProtected(targetPiece, on: board)
// If it's protected, is it a good trade
if isTargetProtected && targetPiece.value() < piece.value() {
if isTargetProtected && targetPiece.value < piece.value {
return 0
} else {
return targetPiece.value()
return targetPiece.value
}
}
@@ -65,33 +65,33 @@ class BoardRaterThreatenedPieces: BoardRater {
// MARK: - Helpers
func getPieces(protecting piece: Piece, onBoard board: Board) -> [Piece] {
func getPieces(protecting piece: Piece, on board: Board) -> [Piece] {
var alteredBoard = board
alteredBoard.setPiece(piece.withOppositeColor(), at: piece.location)
alteredBoard.setPiece(piece.withOppositeColor, at: piece.location)
return alteredBoard.getPieces(color: piece.color).filter {
$0.movement.canPieceMove(fromLocation: $0.location,
toLocation: piece.location,
$0.movement.canPieceMove(from: $0.location,
to: piece.location,
board: alteredBoard,
accountForCheckState: true)
}
}
func getPieces(protectedBy piece: Piece, onBoard board: Board) -> [Piece] {
func getPieces(protectedBy piece: Piece, on board: Board) -> [Piece] {
return board.getPieces(color: piece.color).filter {
piece.movement.canPieceMove(fromLocation: piece.location,
toLocation: $0.location,
piece.movement.canPieceMove(from: piece.location,
to: $0.location,
board: board,
accountForCheckState: true)
}
}
func isPieceProtected(_ piece: Piece, onBoard board: Board) -> Bool {
func isPieceProtected(_ piece: Piece, on board: Board) -> Bool {
var alteredBoard = board
alteredBoard.setPiece(piece.withOppositeColor(), at: piece.location)
alteredBoard.setPiece(piece.withOppositeColor, at: piece.location)
for square in alteredBoard.squares {
@@ -103,8 +103,8 @@ class BoardRaterThreatenedPieces: BoardRater {
continue
}
if squarePiece.movement.canPieceMove(fromLocation: squarePiece.location,
toLocation: piece.location,
if squarePiece.movement.canPieceMove(from: squarePiece.location,
to: piece.location,
board: alteredBoard,
accountForCheckState: true) {
return true
@@ -114,7 +114,7 @@ class BoardRaterThreatenedPieces: BoardRater {
return false
}
func isPieceThreatened(_ piece: Piece, onBoard board: Board) -> Bool {
func isPieceThreatened(_ piece: Piece, on board: Board) -> Bool {
for square in board.squares {
@@ -122,12 +122,12 @@ class BoardRaterThreatenedPieces: BoardRater {
continue
}
guard squarePiece.color == piece.color.opposite() else {
guard squarePiece.color == piece.color.opposite else {
continue
}
if squarePiece.movement.canPieceMove(fromLocation: squarePiece.location,
toLocation: piece.location,
if squarePiece.movement.canPieceMove(from: squarePiece.location,
to: piece.location,
board: board,
accountForCheckState: true) {
return true
@@ -137,39 +137,39 @@ class BoardRaterThreatenedPieces: BoardRater {
return false
}
func getPieces(threatening piece: Piece, onBoard board: Board) -> [Piece] {
func getPieces(threatening piece: Piece, on board: Board) -> [Piece] {
return board.getPieces(color: piece.color.opposite()).filter {
$0.movement.canPieceMove(fromLocation: $0.location,
toLocation: piece.location,
return board.getPieces(color: piece.color.opposite).filter {
$0.movement.canPieceMove(from: $0.location,
to: piece.location,
board: board,
accountForCheckState: true)
}
}
func getPieces(threatenedBy piece: Piece, onBoard board: Board) -> [Piece] {
func getPieces(threatenedBy piece: Piece, on board: Board) -> [Piece] {
return board.getPieces(color: piece.color.opposite()).filter {
piece.movement.canPieceMove(fromLocation: piece.location,
toLocation: $0.location,
return board.getPieces(color: piece.color.opposite).filter {
piece.movement.canPieceMove(from: piece.location,
to: $0.location,
board: board,
accountForCheckState: true)
}
}
func canPieceMoveToSafety(_ piece: Piece, onBoard board: Board) -> Bool {
func canPieceMoveToSafety(_ piece: Piece, on board: Board) -> Bool {
for location in BoardLocation.all {
if piece.movement.canPieceMove(fromLocation: piece.location,
toLocation: location,
if piece.movement.canPieceMove(from: piece.location,
to: location,
board: board,
accountForCheckState: true) {
var boardCopy = board
boardCopy.movePiece(fromLocation: piece.location, toLocation: location)
boardCopy.movePiece(from: piece.location, to: location)
let movedPiece = boardCopy.getPiece(at: location)!
if !isPieceThreatened(movedPiece, onBoard: boardCopy) {
if !isPieceThreatened(movedPiece, on: boardCopy) {
return true
}
}
@@ -181,17 +181,17 @@ class BoardRaterThreatenedPieces: BoardRater {
extension Collection where Iterator.Element == Piece {
func lowestPieceValue() -> Double {
var lowestPieceValue: Double {
if self.count == 0 {
return 0
}
var result = self.first!.value()
var result = self.first!.value
for piece in self {
let pieceValue = piece.value()
let pieceValue = piece.value
if pieceValue < result {
result = pieceValue
@@ -201,17 +201,17 @@ extension Collection where Iterator.Element == Piece {
return result
}
func highestPieceValue() -> Double {
var highestPieceValue: Double {
if self.count == 0 {
return 0
}
var result = self.first!.value()
var result = self.first!.value
for piece in self {
let pieceValue = piece.value()
let pieceValue = piece.value
if pieceValue > result {
result = pieceValue
@@ -0,0 +1,15 @@
//
// DictionaryRepresentable.swift
// SwiftChess
//
// Created by Steve Barnegren on 13/01/2018.
// Copyright © 2018 Steve Barnegren. All rights reserved.
//
import Foundation
protocol DictionaryRepresentable {
init?(dictionary: [String: Any])
var dictionaryRepresentation: [String: Any] {get}
}
+188 -10
View File
@@ -8,7 +8,7 @@
import Foundation
open class Game {
public final class Game {
// MARK: Types
public enum State: Equatable {
@@ -30,18 +30,18 @@ open class Game {
}
}
public enum GameType {
public enum GameType: Int {
case humanVsHuman
case humanVsComputer
case computerVsComputer
}
// MARK: Properties
open var board = Board(state: .newGame)
open var whitePlayer: Player!
open var blackPlayer: Player!
open var currentPlayer: Player!
open var state = Game.State.inProgress
open internal(set) var board: Board
open let whitePlayer: Player!
open let blackPlayer: Player!
open internal(set) var currentPlayer: Player!
open internal(set) var state = Game.State.inProgress
open weak var delegate: GameDelegate?
public var gameType: GameType {
@@ -99,15 +99,15 @@ extension Game: PlayerDelegate {
processBoardOperations(boardOperations: boardOperations)
// Check for game ended
if board.isColorInCheckMate(color: currentPlayer.color.opposite()) {
if board.isColorInCheckMate(color: currentPlayer.color.opposite) {
state = .won(color: currentPlayer.color)
delegate?.gameWonByPlayer(game: self, player: currentPlayer)
return
}
// Check for stalemate
if board.isColorInStalemate(color: currentPlayer.color.opposite()) {
state = .staleMate(color: currentPlayer.color.opposite())
if board.isColorInStalemate(color: currentPlayer.color.opposite) {
state = .staleMate(color: currentPlayer.color.opposite)
delegate?.gameEndedInStaleMate(game: self)
return
}
@@ -151,6 +151,184 @@ extension Game: PlayerDelegate {
}
// MARK: - DictionaryRepresentable
extension Game.State: DictionaryRepresentable {
struct Keys {
static let type = "type"
static let type_inProgress = "inProgress"
static let type_stalemate = "stalemate"
static let type_won = "won"
static let color = "color"
}
init?(dictionary: [String: Any]) {
guard let type = dictionary[Keys.type] as? String else {
return nil
}
switch type {
case Keys.type_inProgress:
self = .inProgress
case Keys.type_stalemate:
guard let raw = dictionary[Keys.color] as? String, let color = Color(rawValue: raw) else {
return nil
}
self = .staleMate(color: color)
case Keys.type_won:
guard let raw = dictionary[Keys.color] as? String, let color = Color(rawValue: raw) else {
return nil
}
self = .won(color: color)
default:
return nil
}
}
var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
switch self {
case .inProgress:
dictionary[Keys.type] = Keys.type_inProgress
case .staleMate(let color):
dictionary[Keys.type] = Keys.type_stalemate
dictionary[Keys.color] = color.rawValue
case .won(let color):
dictionary[Keys.type] = Keys.type_won
dictionary[Keys.color] = color.rawValue
}
return dictionary
}
}
extension Game: DictionaryRepresentable {
struct Keys {
static let state = "state"
static let gameType = "gameType"
static let board = "board"
static let whitePlayerType = "whitePlayerType"
static let blackPlayerType = "blackPlayerType"
static let playerType_human = "playerType_human"
static let playerType_ai = "playerType_ai"
static let whitePlayer = "PlayerOne"
static let blackPlayer = "PlayerTwo"
static let currentPlayerColor = "currentPlayerColor"
}
public convenience init?(dictionary: [String: Any]) {
// State
guard let stateDict = dictionary[Keys.state] as? [String: Any],
let state = State(dictionary: stateDict),
let gameTypeRaw = dictionary[Keys.gameType] as? Int,
let gameType = GameType(rawValue: gameTypeRaw),
let boardDict = dictionary[Keys.board] as? [String: Any],
let board = Board(dictionary: boardDict),
let currentPlayerColorRaw = dictionary[Keys.currentPlayerColor] as? String,
let currentPlayerColor = Color(rawValue: currentPlayerColorRaw)
else {
print("Unable to recreate game, missing values")
return nil
}
func makePlayer(type: String, dictionary: [String: Any]) -> Player? {
switch type {
case Keys.playerType_human:
return Human(dictionary: dictionary)
case Keys.playerType_ai:
return AIPlayer(dictionary: dictionary)
default:
return nil
}
}
// White Player
guard let whitePlayerType = dictionary[Keys.whitePlayerType] as? String,
let whitePlayerDict = dictionary[Keys.whitePlayer] as? [String: Any],
let whitePlayer = makePlayer(type: whitePlayerType, dictionary: whitePlayerDict) else {
return nil
}
// Black Player
guard let blackPlayerType = dictionary[Keys.blackPlayerType] as? String,
let blackPlayerDict = dictionary[Keys.blackPlayer] as? [String: Any],
let blackPlayer = makePlayer(type: blackPlayerType, dictionary: blackPlayerDict) else {
return nil
}
self.init(firstPlayer: whitePlayer,
secondPlayer: blackPlayer,
board: board,
colorToMove: currentPlayerColor)
}
public var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
dictionary[Keys.state] = state.dictionaryRepresentation
dictionary[Keys.gameType] = gameType.rawValue
dictionary[Keys.board] = board.dictionaryRepresentation
// White Player
if let whiteHuman = self.whitePlayer as? Human {
dictionary[Keys.whitePlayerType] = Keys.playerType_human
dictionary[Keys.whitePlayer] = whiteHuman.dictionaryRepresentation
} else if let whiteAI = self.whitePlayer as? AIPlayer {
dictionary[Keys.whitePlayerType] = Keys.playerType_ai
dictionary[Keys.whitePlayer] = whiteAI.dictionaryRepresentation
} else {
fatalError("Cannot determine white player type")
}
// Black Player
if let blackHuman = self.blackPlayer as? Human {
dictionary[Keys.blackPlayerType] = Keys.playerType_human
dictionary[Keys.blackPlayer] = blackHuman.dictionaryRepresentation
} else if let blackAI = self.blackPlayer as? AIPlayer {
dictionary[Keys.blackPlayerType] = Keys.playerType_ai
dictionary[Keys.blackPlayer] = blackAI.dictionaryRepresentation
} else {
fatalError("Cannot determine black player type")
}
dictionary[Keys.currentPlayerColor] = currentPlayer.color.rawValue
return dictionary
}
}
extension Game: Equatable {
public static func == (lhs: Game, rhs: Game) -> Bool {
func arePlayersEqual(p1: Player, p2: Player) -> Bool {
if let h1 = p1 as? Human, let h2 = p2 as? Human {
return h1 == h2
} else if let ai1 = p1 as? AIPlayer, let ai2 = p2 as? AIPlayer {
return ai1 == ai2
} else {
return false
}
}
if arePlayersEqual(p1: lhs.whitePlayer, p2: rhs.whitePlayer)
&& arePlayersEqual(p1: lhs.blackPlayer, p2: rhs.blackPlayer)
&& arePlayersEqual(p1: lhs.currentPlayer, p2: rhs.currentPlayer)
&& lhs.board == rhs.board
&& lhs.state == rhs.state {
return true
} else {
return false
}
}
}
// MARK: - GameDelegate
public protocol GameDelegate: class {
+35 -5
View File
@@ -10,7 +10,7 @@
import Foundation
open class Human: Player {
public final class Human: Player {
public init(color: Color) {
super.init()
@@ -19,7 +19,7 @@ open class Human: Player {
// MARK: - Public
public func movePiece(fromLocation: BoardLocation, toLocation: BoardLocation) throws {
public func movePiece(from fromLocation: BoardLocation, to toLocation: BoardLocation) throws {
// Check that the game is in progress
guard game.state == .inProgress else {
@@ -32,13 +32,14 @@ open class Human: Player {
}
// Check if move is allowed
let canMove = canMovePieceWithError(fromLocation: fromLocation, toLocation: toLocation)
if let error = canMove.error {
do {
_ = try canMovePiece(from: fromLocation, to: toLocation)
} catch let error {
throw error
}
// Move the piece
var operations = game.board.movePiece(fromLocation: fromLocation, toLocation: toLocation)
var operations = game.board.movePiece(from: fromLocation, to: toLocation)
// Make pawn promotions
let promotablePawnLocations = game.board.getLocationsOfPromotablePawns(color: color)
@@ -93,3 +94,32 @@ open class Human: Player {
}
}
extension Human: Equatable {
public static func == (lhs: Human, rhs: Human) -> Bool {
return lhs.color == rhs.color
}
}
extension Human: DictionaryRepresentable {
struct Keys {
static let color = "color"
}
convenience init?(dictionary: [String: Any]) {
if let raw = dictionary[Keys.color] as? String, let color = Color(rawValue: raw) {
self.init(color: color)
} else {
return nil
}
}
var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
dictionary[Keys.color] = color.rawValue
return dictionary
}
}
+13 -8
View File
@@ -12,6 +12,12 @@ struct OpeningMove {
let board: Board
let fromLocation: BoardLocation
let toLocation: BoardLocation
init(board: Board, from fromLocation: BoardLocation, to toLocation: BoardLocation) {
self.board = board
self.fromLocation = fromLocation
self.toLocation = toLocation
}
}
class Opening {
@@ -26,18 +32,18 @@ class Opening {
]
}
static func allOpeningMoves(forColor color: Color) -> [OpeningMove] {
static func allOpeningMoves(for color: Color) -> [OpeningMove] {
var openingMoves = [OpeningMove]()
allOpenings().forEach {
openingMoves += $0.moves(forColor: color)
openingMoves += $0.moves(for: color)
}
return openingMoves
}
public func moves(forColor color: Color) -> [OpeningMove] {
public func moves(for color: Color) -> [OpeningMove] {
var moves = [OpeningMove]()
@@ -45,12 +51,11 @@ class Opening {
for locations in moveLocations() {
let move = OpeningMove(board: board,
fromLocation: locations.fromLocation,
toLocation: locations.toLocation)
from: locations.fromLocation,
to: locations.toLocation)
moves.append(move)
board.movePiece(fromLocation: locations.fromLocation,
toLocation: locations.toLocation)
board.movePiece(from: locations.fromLocation, to: locations.toLocation)
//move.board.printBoardPieces()
@@ -62,7 +67,7 @@ class Opening {
}
}
/*
public func moveLocations(forColor color: Color) -> [(fromLocation: BoardLocation, toLocation: BoardLocation)] {
public func moveLocations(for color: Color) -> [(from fromLocation: BoardLocation, to toLocation: BoardLocation)] {
return moveLocations().enumerated().flatMap{ (index, value) in
index % 2 == (color == .white ? 0 : 1) ? value : nil
+112 -39
View File
@@ -8,27 +8,25 @@
import Foundation
public enum Color: Int {
case white
case black
public enum Color: String {
case white = "White"
case black = "Black"
public func opposite() -> Color {
public var opposite: Color {
return (self == .white) ? .black : .white
}
public func toString() -> String {
return (self == .white) ? "white" : "black"
public var string: String {
return rawValue.lowercased()
}
public func toStringWithCapital() -> String {
return (self == .white) ? "White" : "Black"
public var stringWithCapital: String {
return rawValue
}
}
public struct Piece: Equatable {
static private var lastAssignedTag = 0
public enum PieceType: Int {
case pawn
case rook
@@ -37,6 +35,17 @@ public struct Piece: Equatable {
case queen
case king
var value: Double {
switch self {
case .pawn: return 1
case .rook: return 5
case .knight: return 3
case .bishop: return 3
case .queen: return 9
case .king: return 0 // King is always treated as a unique case
}
}
static func possiblePawnPromotionResultingTypes() -> [PieceType] {
return [.queen, .knight, .rook, .bishop]
}
@@ -44,41 +53,28 @@ public struct Piece: Equatable {
public let type: PieceType
public let color: Color
public var tag: Int!
public var hasMoved = false
public var canBeTakenByEnPassant = false
public internal(set) var tag: Int!
public internal(set) var hasMoved = false
public internal(set) var canBeTakenByEnPassant = false
public internal(set) var location = BoardLocation(index: 0)
var movement: PieceMovement! {
return PieceMovement.pieceMovementForPieceType(pieceType: self.type)
}
public init(type: PieceType, color: Color) {
self.type = type
self.color = color
// assign the next tag
Piece.lastAssignedTag += 1
self.tag = Piece.lastAssignedTag
return PieceMovement.pieceMovement(for: self.type)
}
public init(type: PieceType, color: Color, tag: Int) {
var withOppositeColor: Piece {
return Piece(type: type, color: color.opposite)
}
var value: Double {
return type.value
}
public init(type: PieceType, color: Color, tag: Int = 0) {
self.type = type
self.color = color
self.tag = tag
}
func value() -> Double {
switch type {
case .pawn: return 1
case .rook: return 5
case .knight: return 3
case .bishop: return 3
case .queen: return 9
case .king: return 0 // King is always treated as a unique case
}
}
func byChangingType(newType: PieceType) -> Piece {
@@ -86,16 +82,93 @@ public struct Piece: Equatable {
return piece
}
func withOppositeColor() -> Piece {
return Piece(type: type, color: color.opposite())
func isSameTypeAndColor(asPiece other: Piece) -> Bool {
if self.type == other.type && self.color == other.color {
return true
} else {
return false
}
}
}
public func == (left: Piece, right: Piece) -> Bool {
if left.type == right.type && left.color == right.color {
if left.type == right.type
&& left.color == right.color
&& left.tag == right.tag
&& left .hasMoved == right.hasMoved
&& left.canBeTakenByEnPassant == right.canBeTakenByEnPassant
&& left.location == right.location {
return true
} else {
return false
}
}
extension Piece: DictionaryRepresentable {
private struct Keys {
static let type = "type"
static let color = "color"
static let tag = "tag"
static let hasMoved = "hasMoved"
static let canBeTakenByEnPassant = "canBeTakenByEnPassant"
static let location = "location"
}
init?(dictionary: [String: Any]) {
// Type
if let raw = dictionary[Keys.type] as? Int, let type = PieceType(rawValue: raw) {
self.type = type
} else {
return nil
}
// Color
if let raw = dictionary[Keys.color] as? String, let color = Color(rawValue: raw) {
self.color = color
} else {
return nil
}
// Tag
if let tag = dictionary[Keys.tag] as? Int {
self.tag = tag
}
// Has Moved
if let hasMoved = dictionary[Keys.hasMoved] as? Bool {
self.hasMoved = hasMoved
} else {
return nil
}
// Can be taken by en passent
if let canBeTakenByEnPassent = dictionary[Keys.canBeTakenByEnPassant] as? Bool {
self.canBeTakenByEnPassant = canBeTakenByEnPassent
} else {
return nil
}
// Location
if let dict = dictionary[Keys.location] as? [String: Any], let location = BoardLocation(dictionary: dict) {
self.location = location
} else {
return nil
}
}
var dictionaryRepresentation: [String: Any] {
var dictionary = [String: Any]()
dictionary[Keys.type] = type.rawValue
dictionary[Keys.color] = color.rawValue
if let tag = self.tag { dictionary[Keys.tag] = tag }
dictionary[Keys.hasMoved] = hasMoved
dictionary[Keys.canBeTakenByEnPassant] = canBeTakenByEnPassant
dictionary[Keys.location] = location.dictionaryRepresentation
return dictionary
}
}
+52 -36
View File
@@ -21,7 +21,7 @@ let kingMovement = PieceMovementKing()
open class PieceMovement {
public class func pieceMovementForPieceType(pieceType: Piece.PieceType) -> PieceMovement {
public class func pieceMovement(for pieceType: Piece.PieceType) -> PieceMovement {
switch pieceType {
case .pawn:
@@ -42,8 +42,8 @@ open class PieceMovement {
public init() {
}
func canPieceMove(fromLocation: BoardLocation,
toLocation: BoardLocation,
func canPieceMove(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board,
accountForCheckState: Bool = false) -> Bool {
@@ -51,27 +51,27 @@ open class PieceMovement {
return false
}
let canMove = isMovementPossible(fromLocation: fromLocation, toLocation: toLocation, board: board)
let canMove = isMovementPossible(from: fromLocation, to: toLocation, board: board)
if canMove && accountForCheckState {
let color = board.getPiece(at: fromLocation)!.color
var boardCopy = board
boardCopy.movePiece(fromLocation: fromLocation, toLocation: toLocation)
boardCopy.movePiece(from: fromLocation, to: toLocation)
return boardCopy.isColorInCheck(color: color) ? false : true
} else {
return canMove
}
}
func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
func isMovementPossible(from fromLocation: BoardLocation, to toLocation: BoardLocation, board: Board) -> Bool {
return false
}
// swiftlint:disable function_body_length
func canPieceMove(fromLocation: BoardLocation,
toLocation: BoardLocation,
func canPieceMove(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board,
stride: BoardStride) -> Bool {
@@ -119,10 +119,10 @@ open class PieceMovement {
}
// Increment by stride
if !fromLocation.canIncrementBy(stride: stride) {
if !fromLocation.canIncrement(by: stride) {
return false
}
var testLocation = fromLocation.incrementedBy(stride: stride)
var testLocation = fromLocation.incremented(by: stride)
while testLocation.isInBounds() {
@@ -133,11 +133,11 @@ open class PieceMovement {
return false
}
if piece.color == movingPiece.color.opposite() && testLocation == toLocation {
if piece.color == movingPiece.color.opposite && testLocation == toLocation {
return true
}
if piece.color == movingPiece.color.opposite() && testLocation != toLocation {
if piece.color == movingPiece.color.opposite && testLocation != toLocation {
return false
}
}
@@ -147,10 +147,10 @@ open class PieceMovement {
}
// Increment by stride
if !testLocation.canIncrementBy(stride: stride) {
if !testLocation.canIncrement(by: stride) {
return false
}
testLocation = testLocation.incrementedBy(stride: stride)
testLocation = testLocation.incremented(by: stride)
}
@@ -200,7 +200,9 @@ open class PieceMovementStraightLine: PieceMovement {
BoardStride(x: 1, y: 0 ) // Right
]
override func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
override func isMovementPossible(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board) -> Bool {
let sameX = fromLocation.x == toLocation.x
let sameY = fromLocation.y == toLocation.y
@@ -210,7 +212,7 @@ open class PieceMovementStraightLine: PieceMovement {
}
for stride in strides {
if canPieceMove(fromLocation: fromLocation, toLocation: toLocation, board: board, stride: stride) {
if canPieceMove(from: fromLocation, to: toLocation, board: board, stride: stride) {
return true
}
}
@@ -231,14 +233,16 @@ open class PieceMovementDiagonal: PieceMovement {
BoardStride(x: -1, y: 1 ) // North West
]
override func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
override func isMovementPossible(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board) -> Bool {
if fromLocation.isDarkSquare != toLocation.isDarkSquare {
return false
}
for stride in strides {
if canPieceMove(fromLocation: fromLocation, toLocation: toLocation, board: board, stride: stride) {
if canPieceMove(from: fromLocation, to: toLocation, board: board, stride: stride) {
return true
}
}
@@ -255,11 +259,13 @@ open class PieceMovementQueen: PieceMovement {
let movements: [PieceMovement] = [PieceMovementStraightLine(), PieceMovementDiagonal()]
override func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
override func isMovementPossible(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board) -> Bool {
for pieceMovement in movements {
if pieceMovement.canPieceMove(fromLocation: fromLocation, toLocation: toLocation, board: board) {
if pieceMovement.canPieceMove(from: fromLocation, to: toLocation, board: board) {
return true
}
}
@@ -275,9 +281,11 @@ open class PieceMovementRook: PieceMovement {
let straightLineMovement = PieceMovementStraightLine()
override func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
override func isMovementPossible(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board) -> Bool {
return straightLineMovement.canPieceMove(fromLocation: fromLocation, toLocation: toLocation, board: board)
return straightLineMovement.canPieceMove(from: fromLocation, to: toLocation, board: board)
}
}
@@ -287,9 +295,11 @@ open class PieceMovementBishop: PieceMovement {
let diagonalMovement = PieceMovementDiagonal()
override func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
override func isMovementPossible(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board) -> Bool {
return diagonalMovement.canPieceMove(fromLocation: fromLocation, toLocation: toLocation, board: board)
return diagonalMovement.canPieceMove(from: fromLocation, to: toLocation, board: board)
}
}
@@ -308,7 +318,9 @@ open class PieceMovementKnight: PieceMovement {
(-1, 2)
]
override func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
override func isMovementPossible(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board) -> Bool {
// Make sure cannot take king
if let piece = board.getPiece(at: toLocation) {
@@ -340,7 +352,9 @@ open class PieceMovementKnight: PieceMovement {
// swiftlint:disable function_body_length
open class PieceMovementPawn: PieceMovement {
override func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
override func isMovementPossible(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board) -> Bool {
// Get the moving piece
guard let movingPiece = board.getPiece(at: fromLocation) else {
@@ -370,9 +384,9 @@ open class PieceMovementPawn: PieceMovement {
let oneAheadStride = (color == .white ? BoardStride(x: 0, y: 1) : BoardStride(x: 0, y: -1))
var canMoveOneAhead = true
ONE_AHEAD: if fromLocation.canIncrementBy(stride: oneAheadStride) {
ONE_AHEAD: if fromLocation.canIncrement(by: oneAheadStride) {
let location = fromLocation.incrementedBy(stride: oneAheadStride)
let location = fromLocation.incremented(by: oneAheadStride)
if board.getPiece(at: location) != nil {
canMoveOneAhead = false
@@ -397,7 +411,7 @@ open class PieceMovementPawn: PieceMovement {
TWO_AHEAD: if let twoAheadStride = twoAheadStride {
let twoAheadLocation = fromLocation.incrementedBy(stride: twoAheadStride)
let twoAheadLocation = fromLocation.incremented(by: twoAheadStride)
if toLocation != twoAheadLocation {
break TWO_AHEAD
@@ -422,11 +436,11 @@ open class PieceMovementPawn: PieceMovement {
for stride in diagonalStrides {
guard fromLocation.canIncrementBy(stride: stride) else {
guard fromLocation.canIncrement(by: stride) else {
continue
}
let location = fromLocation.incrementedBy(stride: stride)
let location = fromLocation.incremented(by: stride)
if location != toLocation {
continue
@@ -434,7 +448,7 @@ open class PieceMovementPawn: PieceMovement {
// If the target square has an opponent piece
if let piece = board.getPiece(at: location) {
if piece.color == color.opposite() {
if piece.color == color.opposite {
return true
}
}
@@ -442,17 +456,17 @@ open class PieceMovementPawn: PieceMovement {
// If can make en passent move
let enPassentStride = BoardStride(x: stride.x, y: 0)
guard fromLocation.canIncrementBy(stride: enPassentStride) else {
guard fromLocation.canIncrement(by: enPassentStride) else {
break
}
let enPassentLocation = fromLocation.incrementedBy(stride: enPassentStride)
let enPassentLocation = fromLocation.incremented(by: enPassentStride)
guard let passingPiece = board.getPiece(at: enPassentLocation) else {
break
}
if passingPiece.canBeTakenByEnPassant && passingPiece.color == color.opposite() {
if passingPiece.canBeTakenByEnPassant && passingPiece.color == color.opposite {
return true
}
@@ -478,7 +492,9 @@ open class PieceMovementKing: PieceMovement {
(-1, 1) // North- West
]
override func isMovementPossible(fromLocation: BoardLocation, toLocation: BoardLocation, board: Board) -> Bool {
override func isMovementPossible(from fromLocation: BoardLocation,
to toLocation: BoardLocation,
board: Board) -> Bool {
// Make sure cannot take king
if let piece = board.getPiece(at: toLocation) {
+16 -17
View File
@@ -18,7 +18,7 @@ open class Player {
weak var game: Game!
weak var delegate: PlayerDelegate?
public func occupiesSquareAt(location: BoardLocation) -> Bool {
public func occupiesSquare(at location: BoardLocation) -> Bool {
if let piece = self.game.board.getPiece(at: location) {
if piece.color == self.color {
@@ -29,11 +29,7 @@ open class Player {
return false
}
public func canMovePiece(fromLocation: BoardLocation, toLocation: BoardLocation) -> Bool {
return canMovePieceWithError(fromLocation: fromLocation, toLocation: toLocation).result
}
public enum MoveError: Error {
public enum MoveError: Int, Error, Equatable {
case notThisPlayersTurn
case movingToSameLocation
case noPieceToMove
@@ -42,46 +38,49 @@ open class Player {
case playerMustMoveOutOfCheck
case cannotMoveInToCheck
case gameIsNotInProgress
public static func == (lhs: MoveError, rhs: MoveError) -> Bool {
return lhs.rawValue == rhs.rawValue
}
}
public func canMovePieceWithError(fromLocation: BoardLocation, toLocation: BoardLocation) ->
(result: Bool, error: MoveError?) {
func canMovePiece(from fromLocation: BoardLocation, to toLocation: BoardLocation) throws -> Bool {
// We can't move to our current location
if fromLocation == toLocation {
return (false, .movingToSameLocation)
throw MoveError.movingToSameLocation
}
// Get the piece
guard let piece = self.game.board.getPiece(at: fromLocation) else {
return (false, .noPieceToMove)
throw MoveError.noPieceToMove
}
// Check that the piece color matches the player color
if piece.color != self.color {
return (false, .pieceColorDoesNotMatchPlayerColor)
throw MoveError.pieceColorDoesNotMatchPlayerColor
}
// Make sure the piece can move to the location
if !piece.movement.canPieceMove(fromLocation: fromLocation, toLocation: toLocation, board: game.board) {
return (false, .pieceUnableToMoveToLocation)
if !piece.movement.canPieceMove(from: fromLocation, to: toLocation, board: game.board) {
throw MoveError.pieceUnableToMoveToLocation
}
// Move the piece
let inCheckBeforeMove = self.game.board.isColorInCheck(color: self.color)
var board = self.game.board
board.movePiece(fromLocation: fromLocation, toLocation: toLocation)
board.movePiece(from: fromLocation, to: toLocation)
let inCheckAfterMove = board.isColorInCheck(color: self.color)
// Return
if inCheckBeforeMove && inCheckAfterMove {
return (false, .playerMustMoveOutOfCheck)
throw MoveError.playerMustMoveOutOfCheck
}
if !inCheckBeforeMove && inCheckAfterMove {
return (false, .cannotMoveInToCheck)
throw MoveError.cannotMoveInToCheck
}
return (true, nil)
return true
}
}
@@ -13,6 +13,7 @@
6719898B1DFFE0D80053EA3D /* BoardRaterBoardDominance.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6719898A1DFFE0D80053EA3D /* BoardRaterBoardDominance.swift */; };
6719898F1DFFE7550053EA3D /* BoardRaterCenterDominance.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6719898E1DFFE7550053EA3D /* BoardRaterCenterDominance.swift */; };
676EF7C31E15A8A500E275B4 /* BoardRaterKingSurroundingPossession.swift in Sources */ = {isa = PBXBuildFile; fileRef = 676EF7C21E15A8A500E275B4 /* BoardRaterKingSurroundingPossession.swift */; };
677BE817200A2D78004B27DB /* DictionaryRepresentable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 677BE816200A2D78004B27DB /* DictionaryRepresentable.swift */; };
67A9C9E81DE64CD300510FB8 /* SwiftChess.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 67A9C9DE1DE64CD200510FB8 /* SwiftChess.framework */; };
67A9C9EF1DE64CD300510FB8 /* SwiftChess.h in Headers */ = {isa = PBXBuildFile; fileRef = 67A9C9E11DE64CD200510FB8 /* SwiftChess.h */; settings = {ATTRIBUTES = (Public, ); }; };
67A9CA011DE64D2500510FB8 /* AIPlayer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 67A9C9FA1DE64D2500510FB8 /* AIPlayer.swift */; };
@@ -50,6 +51,7 @@
6719898A1DFFE0D80053EA3D /* BoardRaterBoardDominance.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BoardRaterBoardDominance.swift; sourceTree = "<group>"; };
6719898E1DFFE7550053EA3D /* BoardRaterCenterDominance.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BoardRaterCenterDominance.swift; sourceTree = "<group>"; };
676EF7C21E15A8A500E275B4 /* BoardRaterKingSurroundingPossession.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BoardRaterKingSurroundingPossession.swift; sourceTree = "<group>"; };
677BE816200A2D78004B27DB /* DictionaryRepresentable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DictionaryRepresentable.swift; sourceTree = "<group>"; };
67A9C9DE1DE64CD200510FB8 /* SwiftChess.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = SwiftChess.framework; sourceTree = BUILT_PRODUCTS_DIR; };
67A9C9E11DE64CD200510FB8 /* SwiftChess.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SwiftChess.h; sourceTree = "<group>"; };
67A9C9E21DE64CD200510FB8 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -92,6 +94,14 @@
/* End PBXFrameworksBuildPhase section */
/* Begin PBXGroup section */
677BE815200A2D54004B27DB /* Extensions */ = {
isa = PBXGroup;
children = (
677BE816200A2D78004B27DB /* DictionaryRepresentable.swift */,
);
path = Extensions;
sourceTree = "<group>";
};
67A9C9D41DE64CD200510FB8 = {
isa = PBXGroup;
children = (
@@ -131,6 +141,7 @@
67A9C9F81DE64D2500510FB8 /* Source */ = {
isa = PBXGroup;
children = (
677BE815200A2D54004B27DB /* Extensions */,
67F9DB791E2438EC00C7EC5A /* ASCIIBoard.swift */,
67FD86881E4105B80023335C /* BoardStride.swift */,
67FD868A1E4105D40023335C /* BoardLocation.swift */,
@@ -341,6 +352,7 @@
67F779241E1C326D00885B89 /* BoardRaterCenterFourOccupation.swift in Sources */,
67A9CA011DE64D2500510FB8 /* AIPlayer.swift in Sources */,
6719898F1DFFE7550053EA3D /* BoardRaterCenterDominance.swift in Sources */,
677BE817200A2D78004B27DB /* DictionaryRepresentable.swift in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};