Bump version to 1.1.2

.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

.travis.yml

@@ -1,9 +1,6 @@
 language: swift
-osx_image: xcode10.2
+osx_image: xcode12
 xcode_project: Example/Example.xcodeproj
 xcode_scheme: SwiftChessExample
-xcode_destination: platform=iOS Simulator,OS=12.1,name=iPhone X
-
-branches:
-  only:
-  - master
+xcode_sdk: iphonesimulator14.0
+xcode_destination: platform=iOS Simulator,OS=14.0,name=iPhone 11 Pro Max

Example/Example.xcodeproj/project.pbxproj

@@ -239,7 +239,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0800;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1200;
 				ORGANIZATIONNAME = CocoaPods;
 				TargetAttributes = {
 					67A9CA131DE64DAA00510FB8 = {
@@ -429,6 +429,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -454,7 +455,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -485,6 +486,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -503,7 +505,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -522,7 +524,7 @@
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				DEVELOPMENT_TEAM = VAA3W4LPY2;
 				INFOPLIST_FILE = SwiftChess/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = SteveBarnegren.SwiftChessExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -542,7 +544,7 @@
 				CLANG_WARN_SUSPICIOUS_MOVES = YES;
 				DEVELOPMENT_TEAM = VAA3W4LPY2;
 				INFOPLIST_FILE = SwiftChess/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = SteveBarnegren.SwiftChessExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -561,7 +563,7 @@
 				CLANG_WARN_SUSPICIOUS_MOVES = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				INFOPLIST_FILE = Tests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = SteveBarnegren.SwiftChessExampleTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -580,7 +582,7 @@
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_SUSPICIOUS_MOVES = YES;
 				INFOPLIST_FILE = Tests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = SteveBarnegren.SwiftChessExampleTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";

Example/Example.xcodeproj/xcshareddata/xcschemes/SwiftChess-Example.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -41,6 +41,15 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "607FACCF1AFB9204008FA782"
+            BuildableName = "SwiftChess_Example.app"
+            BlueprintName = "SwiftChess_Example"
+            ReferencedContainer = "container:SwiftChess.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -53,17 +62,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "607FACCF1AFB9204008FA782"
-            BuildableName = "SwiftChess_Example.app"
-            BlueprintName = "SwiftChess_Example"
-            ReferencedContainer = "container:SwiftChess.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -85,8 +83,6 @@
             ReferencedContainer = "container:SwiftChess.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Example/Example.xcodeproj/xcshareddata/xcschemes/SwiftChessExample.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -27,6 +27,15 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "67A9CA131DE64DAA00510FB8"
+            BuildableName = "SwiftChessExample.app"
+            BlueprintName = "SwiftChessExample"
+            ReferencedContainer = "container:Example.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "YES">
@@ -49,17 +58,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "67A9CA131DE64DAA00510FB8"
-            BuildableName = "SwiftChessExample.app"
-            BlueprintName = "SwiftChessExample"
-            ReferencedContainer = "container:Example.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -81,8 +79,6 @@
             ReferencedContainer = "container:Example.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Example/SwiftChess/Base.lproj/Main.storyboard

@@ -1,24 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11762" systemVersion="16D32" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="o9i-0S-2Up">
-    <device id="retina4_7" orientation="portrait">
-        <adaptation id="fullscreen"/>
-    </device>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="17156" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="o9i-0S-2Up">
+    <device id="retina4_7" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
-        <capability name="Aspect ratio constraints" minToolsVersion="5.1"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17125"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
         <!--Navigation Controller-->
         <scene sceneID="HEd-Os-R93">
             <objects>
-                <navigationController navigationBarHidden="YES" id="o9i-0S-2Up" sceneMemberID="viewController">
+                <navigationController id="o9i-0S-2Up" sceneMemberID="viewController">
                     <nil key="simulatedStatusBarMetrics"/>
                     <nil key="simulatedTopBarMetrics"/>
                     <nil key="simulatedBottomBarMetrics"/>
                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="e3D-Nu-dRp">
-                        <rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
                         <autoresizingMask key="autoresizingMask"/>
                     </navigationBar>
                     <connections>
@@ -44,21 +41,21 @@
                             <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="KRf-s7-H9a">
                                 <rect key="frame" x="133.5" y="264.5" width="108" height="138"/>
                                 <subviews>
-                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="fGu-y2-Qxm">
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="fGu-y2-Qxm">
                                         <rect key="frame" x="0.0" y="92" width="108" height="30"/>
                                         <state key="normal" title="AI vs AI"/>
                                         <connections>
                                             <action selector="AIvsAIButtonPressed:" destination="vXZ-lx-hvc" eventType="touchUpInside" id="mrX-sU-WvD"/>
                                         </connections>
                                     </button>
-                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="kEX-Ea-5Xq">
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="kEX-Ea-5Xq">
                                         <rect key="frame" x="0.0" y="46" width="108" height="30"/>
                                         <state key="normal" title="Player vs Player"/>
                                         <connections>
                                             <action selector="playerVsPlayerButtonPressed:" destination="vXZ-lx-hvc" eventType="touchUpInside" id="xIZ-0U-CNW"/>
                                         </connections>
                                     </button>
-                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="gcM-Gf-hHc">
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="gcM-Gf-hHc">
                                         <rect key="frame" x="0.0" y="0.0" width="108" height="30"/>
                                         <state key="normal" title="Player vs AI"/>
                                         <connections>
@@ -112,28 +109,28 @@
                                     <constraint firstAttribute="width" secondItem="NnZ-Ew-a2B" secondAttribute="height" multiplier="1:1" id="GNF-YV-5Vh"/>
                                 </constraints>
                             </view>
-                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="ZZ0-mR-VXd">
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="ZZ0-mR-VXd">
                                 <rect key="frame" x="8" y="116" width="44" height="30"/>
                                 <state key="normal" title="Castle"/>
                                 <connections>
                                     <action selector="blackKingSideCastleButtonPressedWithSender:" destination="M5V-oM-g1K" eventType="touchUpInside" id="rLk-f9-Sot"/>
                                 </connections>
                             </button>
-                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="eZD-P8-Hr3">
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="eZD-P8-Hr3">
                                 <rect key="frame" x="323" y="116" width="44" height="30"/>
                                 <state key="normal" title="Castle"/>
                                 <connections>
                                     <action selector="blackQueenSideCastleButtonPressedWithSender:" destination="M5V-oM-g1K" eventType="touchUpInside" id="04c-Bn-Bkt"/>
                                 </connections>
                             </button>
-                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Yxk-YT-5FA">
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Yxk-YT-5FA">
                                 <rect key="frame" x="8" y="521" width="44" height="30"/>
                                 <state key="normal" title="Castle"/>
                                 <connections>
                                     <action selector="whiteQueenSideCastleButtonPressedWithSender:" destination="M5V-oM-g1K" eventType="touchUpInside" id="3el-xi-NUE"/>
                                 </connections>
                             </button>
-                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="FwI-ZC-g1Z">
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="FwI-ZC-g1Z">
                                 <rect key="frame" x="323" y="521" width="44" height="30"/>
                                 <state key="normal" title="Castle"/>
                                 <connections>
@@ -141,7 +138,7 @@
                                 </connections>
                             </button>
                             <activityIndicatorView opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" style="gray" translatesAutoresizingMaskIntoConstraints="NO" id="JEV-Ul-qRP">
-                                <rect key="frame" x="177" y="121" width="20" height="20"/>
+                                <rect key="frame" x="177.5" y="121" width="20" height="20"/>
                             </activityIndicatorView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>

Example/SwiftChess/BoardView.swift

@@ -81,10 +81,7 @@ class BoardView: UIView {
         
         // Get touch location
         let location = touches.first!.location(in: self)
-        print("Touch at x: \(location.x) y: \(location.y)")
-        
         let boardIndex = boardIndexForLocation(location)
-        print("Board index: \(boardIndex)")
         
         delegate?.touchedSquareAtIndex(self, index: boardIndex)
         

Example/SwiftChess/GameViewController.swift

@@ -211,7 +211,6 @@ class GameViewController: UIViewController {
     // MARK: - Actions
     
     @IBAction func whiteKingSideCastleButtonPressed(sender: UIButton) {
-        print("White king side castle button pressed")
         
         if let player = game.currentPlayer as? Human {
             player.performCastleMove(side: .kingSide)
@@ -219,7 +218,6 @@ class GameViewController: UIViewController {
     }
     
     @IBAction func whiteQueenSideCastleButtonPressed(sender: UIButton) {
-        print("White queen side castle button pressed")
         
         if let player = game.currentPlayer as? Human {
             player.performCastleMove(side: .queenSide)
@@ -227,7 +225,6 @@ class GameViewController: UIViewController {
     }
     
     @IBAction func blackKingSideCastleButtonPressed(sender: UIButton) {
-        print("Black king side castle button pressed")
         
         if let player = game.currentPlayer as? Human {
             player.performCastleMove(side: .kingSide)
@@ -235,7 +232,6 @@ class GameViewController: UIViewController {
     }
     
     @IBAction func blackQueenSideCastleButtonPressed(sender: UIButton) {
-        print("Black queen side castle button pressed")
         
         if let player = game.currentPlayer as? Human {
             player.performCastleMove(side: .queenSide)
@@ -248,9 +244,7 @@ class GameViewController: UIViewController {
 extension GameViewController: BoardViewDelegate {
     
     func touchedSquareAtIndex(_ boardView: BoardView, index: Int) {
-        
-        print("GVC touched square at index \(index)")
-        
+                
         // Get the player (must be human)
         guard let player = game.currentPlayer as? Human else {
             return

Example/SwiftChess/MenuViewController.swift

@@ -11,41 +11,44 @@ import SwiftChess
 
 class MenuViewController: UIViewController {
     
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        self.title = "SwiftChess"
+    }
+    
     // MARK: - Actions
     
     @IBAction func playerVsAIButtonPressed(_ sender: UIButton) {
-        print("Player vs AI button pressed")
         
         let whitePlayer = Human(color: .white)
         let blackPlayer = AIPlayer(color: .black, configuration: AIConfiguration(difficulty: .hard))
         
         let game = Game(firstPlayer: whitePlayer, secondPlayer: blackPlayer)
-        startGame(game: game)
+        startGame(game: game, title: "Player vs AI")
     }
     
     @IBAction func playerVsPlayerButtonPressed(_ sender: UIButton) {
-        print("Player vs Player button pressed")
         
         let whitePlayer = Human(color: .white)
         let blackPlayer = Human(color: .black)
         
         let game = Game(firstPlayer: whitePlayer, secondPlayer: blackPlayer)
-        startGame(game: game)
+        startGame(game: game, title: "Player vs Player")
     }
     
     @IBAction func AIvsAIButtonPressed(_ sender: UIButton) {
-        print("AI vs AI button pressed")
         
         let whitePlayer = AIPlayer(color: .white, configuration: AIConfiguration(difficulty: .hard))
         let blackPlayer = AIPlayer(color: .black, configuration: AIConfiguration(difficulty: .hard))
         
         let game = Game(firstPlayer: whitePlayer, secondPlayer: blackPlayer)
-        startGame(game: game)
+        startGame(game: game, title: "AI vs AI")
     }
     
-    func startGame(game: Game) {
+    func startGame(game: Game, title: String) {
         
         let gameViewController = GameViewController.gameViewController(game: game)
+        gameViewController.title = title
         self.navigationController?.pushViewController(gameViewController, animated: true)
     }
 

Example/SwiftChess/PromotionSelectionViewController.swift

@@ -73,11 +73,7 @@ class PromotionSelectionViewController: UIViewController {
     @objc func buttonPressed(sender: UIButton) {
         
         let index = buttons.firstIndex(of: sender)!
-        print("Button pressed at index: \(index)")
-        
         let chosenType = possibleTypes![index]
-        print("Chose promotion type: \(chosenType)")
-        
         callback(chosenType)
     }
     

Package.swift

@@ -0,0 +1,15 @@
+// swift-tools-version:5.1
+import PackageDescription
+
+let package = Package(name: "SwiftChess",
+                      platforms: [.macOS(.v10_14),
+                                  .iOS(.v10),
+                                  .tvOS(.v10)],
+                      products: [.library(name: "SwiftChess",
+                                          targets: ["SwiftChess"])],
+                      targets: [.target(name: "SwiftChess",
+                                        path: "SwiftChess/Source"),
+                                .testTarget(name: "SwiftChessTests",
+                                            dependencies: ["SwiftChess"],
+                                            path: "SwiftChess/SwiftChessTests")],
+                      swiftLanguageVersions: [.v5])

SwiftChess.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'SwiftChess'
-  s.version          = '1.1'
+  s.version          = '1.1.2'
   s.summary          = 'Chess engine written in Swift'
 
 # This description is used to generate tags and improve search results.

SwiftChess/Source/AIPlayer.swift

@@ -46,8 +46,8 @@ public final class AIPlayer: Player {
     
     public func makeMoveSync() {
         
-        //print("\n\n****** Make Move ******");
-        
+        guard let game = self.game else { return }
+                
         // Check that the game is in progress
         guard game.state == .inProgress else {
             return
@@ -59,7 +59,6 @@ public final class AIPlayer: Player {
         
         // Get an opening move
         if let openingMove = openingMove(for: board) {
-            //print("Playing opening move")
             move = openingMove
         }
         // Or, get the Highest rated move
@@ -67,6 +66,9 @@ public final class AIPlayer: Player {
             move = highestRatedMove(on: board)
         }
         
+        // Check that the game still exists
+        if self.game == nil { return }
+        
         // Make move
         var operations = [BoardOperation]()
         
@@ -156,7 +158,6 @@ public final class AIPlayer: Player {
                 let move = Move(type: .singlePiece(from: sourceLocation, to: targetLocation),
                                 rating: rating)
                 possibleMoves.append(move)
-               // print("Rating: \(rating)")
             }
         }
         
@@ -164,7 +165,7 @@ public final class AIPlayer: Player {
         let castleSides: [CastleSide] = [.kingSide, .queenSide]
         for side in castleSides {
             
-            guard game.board.canColorCastle(color: color, side: side) else {
+            guard game?.board.canColorCastle(color: color, side: side) ?? false else {
                 continue
             }
             
@@ -177,12 +178,10 @@ public final class AIPlayer: Player {
             let move = Move(type: .castle(color: color, side: side), rating: rating)
             possibleMoves.append(move)
         }
-        
-        //print("Found \(possibleMoves.count) possible moves")
-        
-        // If there are no possible moves, we must be in stale mate
+                
+        // If there are no possible moves, we must be in stale mate. This should never happen
         if possibleMoves.count == 0 {
-            print("There are no possible moves!!!!")
+            print("There are no possible moves!")
         }
         
         // Choose move with highest rating
@@ -195,8 +194,6 @@ public final class AIPlayer: Player {
                 highestRating = move.rating
                 highestRatedMove = move
             }
-            
-            //print("rating: \(move.rating)")
         }
         
         return highestRatedMove
@@ -220,9 +217,6 @@ public final class AIPlayer: Player {
         for boardRater in boardRaters {
             
             let result = boardRater.ratingFor(board: board, color: color)
-            
-            //let className = "\(boardRater)"
-            //print("\t\(className): \(result)")
             rating += result
         }
         

SwiftChess/Source/Game.swift

@@ -210,7 +210,6 @@ 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"
@@ -226,8 +225,6 @@ extension Game: DictionaryRepresentable {
         // 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,
@@ -267,13 +264,13 @@ extension Game: DictionaryRepresentable {
                   secondPlayer: blackPlayer,
                   board: board,
                   colorToMove: currentPlayerColor)
+        self.state = state
     }
     
     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

SwiftChess/Source/Human.swift

@@ -21,6 +21,8 @@ public final class Human: Player {
     
     public func movePiece(from fromLocation: BoardLocation, to toLocation: BoardLocation) throws {
         
+        guard let game = self.game else { return }
+        
         // Check that the game is in progress
         guard game.state == .inProgress else {
             throw MoveError.gameIsNotInProgress
@@ -48,22 +50,24 @@ public final class Human: Player {
             
             let pawnLocation = promotablePawnLocations.first!
             
-            self.game.delegate?.promotedTypeForPawn(location: pawnLocation,
-                                                    player: self,
-                                                    possiblePromotions: Piece.PieceType.possiblePawnPromotionResultingTypes(),
-                                                    callback: {
-                                                        
-                                                        // Change the piece
-                                                        let newPiece = self.game.board.squares[pawnLocation.index].piece?.byChangingType(newType: $0)
-                                                        self.game.board.setPiece(newPiece!, at: pawnLocation)
-                                                        
-                                                        // Add a transform piece operation
-                                                        let modifyOperation = BoardOperation(type: .transformPiece, piece: newPiece!, location: pawnLocation)
-                                                        operations.append(modifyOperation)
-                                                        
-                                                        // Inform the delegate that we've finished
-                                                        self.delegate?.playerDidMakeMove(player: self, boardOperations: operations)
-            })
+            game.delegate?.promotedTypeForPawn(location: pawnLocation,
+                                               player: self,
+                                               possiblePromotions: Piece.PieceType.possiblePawnPromotionResultingTypes(),
+                                               callback: {
+                                                
+                                                guard let game = self.game else { return }
+                                                
+                                                // Change the piece
+                                                let newPiece = game.board.squares[pawnLocation.index].piece?.byChangingType(newType: $0)
+                                                game.board.setPiece(newPiece!, at: pawnLocation)
+                                                
+                                                // Add a transform piece operation
+                                                let modifyOperation = BoardOperation(type: .transformPiece, piece: newPiece!, location: pawnLocation)
+                                                operations.append(modifyOperation)
+                                                
+                                                // Inform the delegate that we've finished
+                                                self.delegate?.playerDidMakeMove(player: self, boardOperations: operations)
+                                               })
         }
         // ... Or if no pawn promotions, end move
         else {
@@ -75,6 +79,8 @@ public final class Human: Player {
     }
     
     public func performCastleMove(side: CastleSide) {
+        
+        guard let game = self.game else { return }
 
         // Check that we're the current player
         guard game.currentPlayer === self else {

SwiftChess/Source/Player.swift

@@ -15,12 +15,14 @@ protocol PlayerDelegate: class {
 open class Player {
     
     public var color: Color!
-    weak var game: Game!
+    weak var game: Game?
     weak var delegate: PlayerDelegate?
     
     public func occupiesSquare(at location: BoardLocation) -> Bool {
         
-        if let piece = self.game.board.getPiece(at: location) {
+        guard let game = game else { return false }
+        
+        if let piece = game.board.getPiece(at: location) {
             if piece.color == self.color {
                 return true
             }
@@ -46,13 +48,15 @@ open class Player {
 
     func canMovePiece(from fromLocation: BoardLocation, to toLocation: BoardLocation) throws -> Bool {
         
+        guard let game = self.game else { return false }
+        
         // We can't move to our current location
         if fromLocation == toLocation {
             throw MoveError.movingToSameLocation
         }
         
         // Get the piece
-        guard let piece = self.game.board.getPiece(at: fromLocation) else {
+        guard let piece = game.board.getPiece(at: fromLocation) else {
             throw MoveError.noPieceToMove
         }
         
@@ -67,8 +71,8 @@ open class Player {
         }
         
         // Move the piece
-        let inCheckBeforeMove = self.game.board.isColorInCheck(color: self.color)
-        var board = self.game.board
+        let inCheckBeforeMove = game.board.isColorInCheck(color: self.color)
+        var board = game.board
         board.movePiece(from: fromLocation, to: toLocation)
         let inCheckAfterMove = board.isColorInCheck(color: self.color)
         

SwiftChess/SwiftChess.xcodeproj/project.pbxproj

@@ -343,7 +343,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0800;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1200;
 				ORGANIZATIONNAME = "Steve Barnegren";
 				TargetAttributes = {
 					67A9C9DD1DE64CD200510FB8 = {
@@ -508,6 +508,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -534,7 +535,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -571,6 +572,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -591,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -612,7 +614,9 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = SwiftChess/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MARKETING_VERSION = 1.1.2;
 				PRODUCT_BUNDLE_IDENTIFIER = SteveBarnegren.SwiftChess;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
@@ -630,7 +634,9 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = SwiftChess/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MARKETING_VERSION = 1.1.2;
 				PRODUCT_BUNDLE_IDENTIFIER = SteveBarnegren.SwiftChess;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
@@ -648,8 +654,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = SteveBarnegren.SwiftChessTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -662,8 +667,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = SteveBarnegren.SwiftChessTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};

SwiftChess/SwiftChess/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.1</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>

SwiftChess/SwiftChessTests/BoardTests.swift

@@ -844,7 +844,6 @@ class BoardTests: XCTestCase {
             }
             
             if piece.hasMoved {
-                print("Has moved flag set at index \(index)")
                 return true
             }
         }

SwiftChess/SwiftChessTests/OpeningsTests.swift

@@ -26,9 +26,7 @@ class OpeningsTests: XCTestCase {
         let openings = Opening.allOpenings()
         
         for opening in openings {
-            
-            print("Testing \(opening)")
-            
+                        
             var board = Board(state: .newGame)
             for (source, target) in opening.moveLocations() {