Presents empty CheatsViewController for Cheats pause item

Common/Database/Model/Cheat.swift

@@ -0,0 +1,102 @@
+//
+//  Cheat.swift
+//  Delta
+//
+//  Created by Riley Testut on 5/19/16.
+//  Copyright © 2016 Riley Testut. All rights reserved.
+//
+
+import Foundation
+import CoreData
+
+import DeltaCore
+
+extension Cheat
+{
+    enum Attributes: String
+    {
+        case identifier
+        case name
+        case code
+        case type
+        case creationDate
+        case modifiedDate
+        
+        case game
+    }
+}
+
+extension CheatType
+{
+    var rawValue: Int16
+    {
+        switch self
+        {
+        case .actionReplay: return 0
+        case .gameGenie: return 1
+        }
+    }
+    
+    init?(rawValue: Int16)
+    {
+        switch rawValue
+        {
+        case 0: self = .actionReplay
+        case 1: self = .gameGenie
+        default: return nil
+        }
+    }
+}
+
+@objc(Cheat)
+class Cheat: NSManagedObject, CheatProtocol
+{
+    //TODO: Change type to String! when Swift 3 allows it
+    @NSManaged var name: String?
+    @NSManaged var code: String
+    @NSManaged var modifiedDate: NSDate
+    
+    @NSManaged private(set) var identifier: String
+    @NSManaged private(set) var creationDate: NSDate
+    
+    // Must be optional relationship to satisfy weird Core Data requirement
+    // https://forums.developer.apple.com/thread/20535
+    @NSManaged var game: Game!
+    
+    var type: CheatType
+    {
+        get
+        {
+            self.willAccessValueForKey(Attributes.type.rawValue)
+            let type = CheatType(rawValue: self.primitiveType.shortValue)!
+            self.didAccessValueForKey(Attributes.type.rawValue)
+            return type
+        }
+        set
+        {
+            self.willChangeValueForKey(Attributes.type.rawValue)
+            self.primitiveType = NSNumber(short: newValue.rawValue)
+            self.didChangeValueForKey(Attributes.type.rawValue)
+        }
+    }
+}
+
+extension Cheat
+{
+    @NSManaged private var primitiveIdentifier: String
+    @NSManaged private var primitiveCreationDate: NSDate
+    @NSManaged private var primitiveModifiedDate: NSDate
+    @NSManaged private var primitiveType: NSNumber
+    
+    override func awakeFromInsert()
+    {
+        super.awakeFromInsert()
+        
+        let identifier = NSUUID().UUIDString
+        let date = NSDate()
+        
+        self.primitiveIdentifier = identifier
+        self.primitiveCreationDate = date
+        self.primitiveModifiedDate = date
+    }
+}

Common/Database/Model/Game.swift

@@ -25,7 +25,9 @@ extension Game
         case typeIdentifier
         
         case gameCollections
+        case saveStates
         case previewSaveState
+        case cheats
     }
 }
 

Common/Database/Model/Model.xcdatamodeld/Model.xcdatamodel/contents

@@ -1,5 +1,19 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <model userDefinedModelVersionIdentifier="1.0" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="10174" systemVersion="15E65" minimumToolsVersion="Xcode 7.0">
+    <entity name="Cheat" representedClassName="Cheat" syncable="YES">
+        <attribute name="code" attributeType="String" syncable="YES"/>
+        <attribute name="creationDate" attributeType="Date" syncable="YES"/>
+        <attribute name="identifier" attributeType="String" syncable="YES"/>
+        <attribute name="modifiedDate" attributeType="Date" syncable="YES"/>
+        <attribute name="name" attributeType="String" syncable="YES"/>
+        <attribute name="type" attributeType="Integer 16" defaultValueString="0" syncable="YES"/>
+        <relationship name="game" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Game" inverseName="cheats" inverseEntity="Game" syncable="YES"/>
+        <uniquenessConstraints>
+            <uniquenessConstraint>
+                <constraint value="identifier"/>
+            </uniquenessConstraint>
+        </uniquenessConstraints>
+    </entity>
     <entity name="Game" representedClassName="Game" syncable="YES">
         <attribute name="artworkURL" optional="YES" attributeType="Transformable" syncable="YES">
             <userInfo>
@@ -14,6 +28,7 @@
         <attribute name="identifier" attributeType="String" syncable="YES"/>
         <attribute name="name" attributeType="String" syncable="YES"/>
         <attribute name="typeIdentifier" attributeType="String" syncable="YES"/>
+        <relationship name="cheats" toMany="YES" deletionRule="Cascade" destinationEntity="Cheat" inverseName="game" inverseEntity="Cheat" syncable="YES"/>
         <relationship name="gameCollections" toMany="YES" deletionRule="Nullify" destinationEntity="GameCollection" inverseName="games" inverseEntity="GameCollection" syncable="YES"/>
         <relationship name="previewSaveState" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="SaveState" inverseName="previewGame" inverseEntity="SaveState" syncable="YES"/>
         <relationship name="saveStates" toMany="YES" deletionRule="Cascade" destinationEntity="SaveState" inverseName="game" inverseEntity="SaveState" syncable="YES"/>
@@ -53,8 +68,9 @@
         </uniquenessConstraints>
     </entity>
     <elements>
-        <element name="Game" positionX="-200" positionY="-72" width="128" height="165"/>
+        <element name="Game" positionX="-378" positionY="-54" width="128" height="178"/>
-        <element name="GameCollection" positionX="-198" positionY="-207" width="128" height="90"/>
+        <element name="GameCollection" positionX="-585" positionY="-27" width="128" height="90"/>
         <element name="SaveState" positionX="-198" positionY="113" width="128" height="165"/>
+        <element name="Cheat" positionX="-198" positionY="-63" width="128" height="148"/>
     </elements>
 </model>

Common/Extensions/NSFetchedResultsController+Conveniences.swift

@@ -0,0 +1,26 @@
+//
+//  NSFetchedResultsController+Conveniences.swift
+//  Delta
+//
+//  Created by Riley Testut on 5/20/16.
+//  Copyright © 2016 Riley Testut. All rights reserved.
+//
+
+import CoreData
+
+extension NSFetchedResultsController
+{
+    func performFetchIfNeeded()
+    {
+        guard self.fetchedObjects == nil else { return }
+        
+        do
+        {
+            try self.performFetch()
+        }
+        catch let error as NSError
+        {
+            print(error)
+        }
+    }
+}

Cores/DeltaCore

@@ -1 +1 @@
-Subproject commit 29abe10afb7f720e40b9345bc88f321c518efbf6
+Subproject commit 67ef5360d0c1ac20ffc584bd908cca634183380b

Delta.xcodeproj/project.pbxproj

@@ -42,6 +42,7 @@
 		BF4566E91BC090B6007BFA1A /* Model.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = BF4566E61BC090B6007BFA1A /* Model.xcdatamodeld */; };
 		BF5E7F441B9A650B00AE44F8 /* SettingsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF5E7F431B9A650B00AE44F8 /* SettingsViewController.swift */; };
 		BF5E7F461B9A652600AE44F8 /* Settings.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = BF5E7F451B9A652600AE44F8 /* Settings.storyboard */; };
+		BF65E8631CEE5C6A00CD3247 /* Cheat.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF65E8621CEE5C6A00CD3247 /* Cheat.swift */; };
 		BF6BB23F1BB73FE800CCF94A /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF6BB23E1BB73FE800CCF94A /* AppDelegate.swift */; };
 		BF6BB2411BB73FE800CCF94A /* GameSelectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF6BB2401BB73FE800CCF94A /* GameSelectionViewController.swift */; };
 		BF6BB2441BB73FE800CCF94A /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = BF6BB2421BB73FE800CCF94A /* Main.storyboard */; };
@@ -74,6 +75,8 @@
 		BFC134E21AAD82470087AD7B /* SNESDeltaCore.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = BFC134E01AAD82460087AD7B /* SNESDeltaCore.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		BFC2731A1BE6152200D22B05 /* GameCollection.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFC273171BE6152200D22B05 /* GameCollection.swift */; };
 		BFC2731B1BE6152200D22B05 /* GameCollection.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFC273171BE6152200D22B05 /* GameCollection.swift */; };
+		BFC9B7391CEFCD34008629BB /* CheatsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFC9B7381CEFCD34008629BB /* CheatsViewController.swift */; };
+		BFC9B73B1CEFD438008629BB /* NSFetchedResultsController+Conveniences.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFC9B73A1CEFD438008629BB /* NSFetchedResultsController+Conveniences.swift */; };
 		BFDB28451BC9DA7B001D0C83 /* GamePickerController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFDB28441BC9DA7B001D0C83 /* GamePickerController.swift */; };
 		BFDE393C1BC0CEDF003F72E8 /* Game.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFDE39391BC0CEDF003F72E8 /* Game.swift */; };
 		BFDE393D1BC0CEDF003F72E8 /* Game.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFDE39391BC0CEDF003F72E8 /* Game.swift */; };
@@ -147,6 +150,7 @@
 		BF4566E71BC090B6007BFA1A /* Model.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = Model.xcdatamodel; sourceTree = "<group>"; };
 		BF5E7F431B9A650B00AE44F8 /* SettingsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SettingsViewController.swift; sourceTree = "<group>"; };
 		BF5E7F451B9A652600AE44F8 /* Settings.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = Settings.storyboard; sourceTree = "<group>"; };
+		BF65E8621CEE5C6A00CD3247 /* Cheat.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Cheat.swift; sourceTree = "<group>"; };
 		BF6BB23C1BB73FE800CCF94A /* Delta.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Delta.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		BF6BB23E1BB73FE800CCF94A /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		BF6BB2401BB73FE800CCF94A /* GameSelectionViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GameSelectionViewController.swift; sourceTree = "<group>"; };
@@ -168,6 +172,8 @@
 		BFB141171BE46934004FBF46 /* GameCollectionViewDataSource.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = GameCollectionViewDataSource.swift; path = "Collection View/GameCollectionViewDataSource.swift"; sourceTree = "<group>"; };
 		BFC134E01AAD82460087AD7B /* SNESDeltaCore.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = SNESDeltaCore.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		BFC273171BE6152200D22B05 /* GameCollection.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GameCollection.swift; sourceTree = "<group>"; };
+		BFC9B7381CEFCD34008629BB /* CheatsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = CheatsViewController.swift; path = "Pause Menu/Cheats/CheatsViewController.swift"; sourceTree = "<group>"; };
+		BFC9B73A1CEFD438008629BB /* NSFetchedResultsController+Conveniences.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "NSFetchedResultsController+Conveniences.swift"; sourceTree = "<group>"; };
 		BFDB28441BC9DA7B001D0C83 /* GamePickerController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GamePickerController.swift; sourceTree = "<group>"; };
 		BFDE39391BC0CEDF003F72E8 /* Game.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Game.swift; sourceTree = "<group>"; };
 		BFEC732C1AAECC4A00650035 /* Roxas.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = Roxas.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -275,6 +281,7 @@
 				BFDE39391BC0CEDF003F72E8 /* Game.swift */,
 				BFC273171BE6152200D22B05 /* GameCollection.swift */,
 				BF1FB1831C5EE643007E2494 /* SaveState.swift */,
+				BF65E8621CEE5C6A00CD3247 /* Cheat.swift */,
 			);
 			path = Model;
 			sourceTree = "<group>";
@@ -305,6 +312,7 @@
 			children = (
 				BF762EAA1BC1B076002C8866 /* NSManagedObject+Conveniences.swift */,
 				BF172AEA1C68986300C26774 /* NSManagedObjectContext+Conveniences.swift */,
+				BFC9B73A1CEFD438008629BB /* NSFetchedResultsController+Conveniences.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -317,6 +325,7 @@
 				BF7AE8041C2E858400B1B5BC /* PauseMenuViewController.swift */,
 				BF353FF81C5D870B00C1184C /* PauseItem.swift */,
 				BF3540031C5DA6D800C1184C /* Save States */,
+				BFC9B7371CEFCD08008629BB /* Cheats */,
 				BF353FFB1C5DA2F600C1184C /* Presentation Controller */,
 				BF912E481C5CB5D50041527C /* Segues */,
 			);
@@ -375,6 +384,14 @@
 			path = Settings;
 			sourceTree = "<group>";
 		};
+		BFC9B7371CEFCD08008629BB /* Cheats */ = {
+			isa = PBXGroup;
+			children = (
+				BFC9B7381CEFCD34008629BB /* CheatsViewController.swift */,
+			);
+			name = Cheats;
+			sourceTree = "<group>";
+		};
 		BFDB28431BC9D9D1001D0C83 /* Importing */ = {
 			isa = PBXGroup;
 			children = (
@@ -719,11 +736,14 @@
 				BFF1E5641BE04CAF000E9EF6 /* BoxArtImageView.swift in Sources */,
 				BF2B98E61C97E32F00F6D57D /* SaveStatesCollectionHeaderView.swift in Sources */,
 				BF762EAB1BC1B076002C8866 /* NSManagedObject+Conveniences.swift in Sources */,
+				BFC9B7391CEFCD34008629BB /* CheatsViewController.swift in Sources */,
 				BF353FFF1C5DA3C500C1184C /* PausePresentationController.swift in Sources */,
 				BF7AE80A1C2E8C7600B1B5BC /* UIColor+Delta.swift in Sources */,
 				BF762E9E1BC19D31002C8866 /* DatabaseManager.swift in Sources */,
 				BF090CF41B490D8300DCAB45 /* UIDevice+Vibration.m in Sources */,
+				BFC9B73B1CEFD438008629BB /* NSFetchedResultsController+Conveniences.swift in Sources */,
 				BF797A2D1C2D339F00F1A000 /* UILabel+FontSize.swift in Sources */,
+				BF65E8631CEE5C6A00CD3247 /* Cheat.swift in Sources */,
 				BF3540021C5DA3D500C1184C /* PauseStoryboardSegue.swift in Sources */,
 				BF0CDDAD1C8155D200640168 /* LoadImageOperation.swift in Sources */,
 				BF107EC41BF413F000E0C32C /* GamesViewController.swift in Sources */,

Delta/Base.lproj/PauseMenu.storyboard

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9532" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="Dt0-nV-isV">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15E65" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="Dt0-nV-isV">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9530"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
     </dependencies>
     <scenes>
         <!--Pause View Controller-->
@@ -66,7 +66,8 @@
                     </view>
                     <connections>
                         <segue destination="kQK-P0-mVu" kind="unwind" identifier="unwindFromPauseMenu" unwindAction="unwindFromPauseViewController:" id="2DE-Nv-qaq"/>
-                        <segue destination="OOk-k7-INg" kind="show" identifier="saveState" id="iKc-6q-unN"/>
+                        <segue destination="OOk-k7-INg" kind="show" identifier="saveStates" id="iKc-6q-unN"/>
+                        <segue destination="wb8-5o-1jE" kind="show" identifier="cheats" id="g84-5G-av7"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="PWj-WH-rlB" userLabel="First Responder" sceneMemberID="firstResponder"/>
@@ -187,5 +188,41 @@
             </objects>
             <point key="canvasLocation" x="992" y="1377"/>
         </scene>
+        <!--Cheats-->
+        <scene sceneID="vHb-xC-JLG">
+            <objects>
+                <tableViewController id="wb8-5o-1jE" customClass="CheatsViewController" customModule="Delta" customModuleProvider="target" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="28" sectionFooterHeight="28" id="f5S-hV-1yV">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                        <prototypes>
+                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="Cell" id="e8g-ZW-5lQ">
+                                <rect key="frame" x="0.0" y="92" width="600" height="44"/>
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="e8g-ZW-5lQ" id="AHE-Jk-ULE">
+                                    <rect key="frame" x="0.0" y="0.0" width="600" height="43.5"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                </tableViewCellContentView>
+                            </tableViewCell>
+                        </prototypes>
+                        <connections>
+                            <outlet property="dataSource" destination="wb8-5o-1jE" id="R2f-1n-WgX"/>
+                            <outlet property="delegate" destination="wb8-5o-1jE" id="tPS-Bm-ceI"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" title="Cheats" id="Gsv-JZ-Yc0">
+                        <barButtonItem key="rightBarButtonItem" systemItem="add" id="xr9-Op-Op7">
+                            <connections>
+                                <action selector="addSaveState" destination="OOk-k7-INg" id="xjM-nF-CYA"/>
+                            </connections>
+                        </barButtonItem>
+                    </navigationItem>
+                    <simulatedNavigationBarMetrics key="simulatedTopBarMetrics" barStyle="black" prompted="NO"/>
+                </tableViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="loJ-rc-I6l" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="1702" y="1377"/>
+        </scene>
     </scenes>
 </document>

Delta/Emulation/EmulationViewController.swift

@@ -189,7 +189,10 @@ class EmulationViewController: UIViewController
                 pauseViewController.presentSaveStateViewControllerWithMode(.Loading, delegate: self!)
             })
             
-            let cheatCodesItem = PauseItem(image: UIImage(named: "SmallPause")!, text: NSLocalizedString("Cheat Codes", comment: ""), action: dismissAction)
+            let cheatCodesItem = PauseItem(image: UIImage(named: "SmallPause")!, text: NSLocalizedString("Cheat Codes", comment: ""), action: { _ in
+                pauseViewController.presentCheatsViewController(delegate: self)
+            })
+            
             let sustainButtonItem = PauseItem(image: UIImage(named: "SmallPause")!, text: NSLocalizedString("Sustain Button", comment: ""), action: dismissAction)
             
             var fastForwardItem = PauseItem(image: UIImage(named: "FastForward")!, text: NSLocalizedString("Fast Forward", comment: ""), action: { [weak self] item in
@@ -325,6 +328,16 @@ extension EmulationViewController: SaveStatesViewControllerDelegate
     }
 }
 
+//MARK: - Cheats
+/// Cheats
+extension EmulationViewController: CheatsViewControllerDelegate
+{
+    func cheatsViewControllerActiveGame(cheatsViewController: CheatsViewController) -> Game
+    {
+        return self.emulatorCore.game as! Game
+    }
+}
+
 //MARK: - <GameControllerReceiver> -
 /// <GameControllerReceiver>
 extension EmulationViewController: GameControllerReceiverType

Delta/Pause Menu/Cheats/CheatsViewController.swift

@@ -0,0 +1,122 @@
+//
+//  CheatsViewController.swift
+//  Delta
+//
+//  Created by Riley Testut on 5/20/16.
+//  Copyright © 2016 Riley Testut. All rights reserved.
+//
+
+import UIKit
+import CoreData
+
+import Roxas
+
+protocol CheatsViewControllerDelegate: class
+{
+    func cheatsViewControllerActiveGame(saveStatesViewController: CheatsViewController) -> Game
+}
+
+class CheatsViewController: UITableViewController
+{
+    weak var delegate: CheatsViewControllerDelegate! {
+        didSet {
+            self.updateFetchedResultsController()
+        }
+    }
+    
+    private var backgroundView: RSTBackgroundView!
+    
+    private var fetchedResultsController: NSFetchedResultsController!
+}
+
+extension CheatsViewController
+{
+    override func viewDidLoad()
+    {
+        super.viewDidLoad()
+        
+        self.title = NSLocalizedString("Cheats", comment: "")
+        
+        self.backgroundView = RSTBackgroundView(frame: self.view.bounds)
+        self.backgroundView.hidden = false
+        self.backgroundView.autoresizingMask = [.FlexibleWidth, .FlexibleHeight]
+        self.backgroundView.textLabel.text = NSLocalizedString("No Cheats", comment: "")
+        self.backgroundView.textLabel.textColor = UIColor.whiteColor()
+        self.backgroundView.detailTextLabel.text = NSLocalizedString("You can add a new cheat by pressing the + button in the top right.", comment: "")
+        self.backgroundView.detailTextLabel.textColor = UIColor.whiteColor()
+        self.tableView.backgroundView = self.backgroundView
+    }
+    
+    override func viewWillAppear(animated: Bool)
+    {
+        self.fetchedResultsController.performFetchIfNeeded()
+        
+        self.updateBackgroundView()
+        
+        super.viewWillAppear(animated)
+    }
+
+    override func didReceiveMemoryWarning()
+    {
+        super.didReceiveMemoryWarning()
+        // Dispose of any resources that can be recreated.
+    }
+}
+
+private extension CheatsViewController
+{
+    //MARK: - Update -
+    
+    func updateFetchedResultsController()
+    {
+        let game = self.delegate.cheatsViewControllerActiveGame(self)
+        
+        let fetchRequest = Cheat.fetchRequest()
+        fetchRequest.returnsObjectsAsFaults = false
+        fetchRequest.predicate = NSPredicate(format: "%K == %@", Cheat.Attributes.game.rawValue, game)
+        fetchRequest.sortDescriptors = [NSSortDescriptor(key: Cheat.Attributes.name.rawValue, ascending: true)]
+        
+        self.fetchedResultsController = NSFetchedResultsController(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.sharedManager.managedObjectContext, sectionNameKeyPath: nil, cacheName: nil)
+        self.fetchedResultsController.delegate = self
+    }
+    
+    func updateBackgroundView()
+    {
+        if let fetchedObjects = self.fetchedResultsController.fetchedObjects where fetchedObjects.count > 0
+        {
+            self.tableView.separatorStyle = .SingleLine
+            self.backgroundView.hidden = true
+        }
+        else
+        {
+            self.tableView.separatorStyle = .None
+            self.backgroundView.hidden = false
+        }
+    }
+}
+
+extension CheatsViewController
+{
+    // MARK: - Table view data source
+
+    override func numberOfSectionsInTableView(tableView: UITableView) -> Int
+    {
+        // #warning Incomplete implementation, return the number of sections
+        return 0
+    }
+
+    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        // #warning Incomplete implementation, return the number of rows
+        return 0
+    }
+}
+
+//MARK: - <NSFetchedResultsControllerDelegate> -
+extension CheatsViewController: NSFetchedResultsControllerDelegate
+{
+    func controllerDidChangeContent(controller: NSFetchedResultsController)
+    {
+        self.tableView.reloadData()
+        self.updateBackgroundView()
+    }
+}

Delta/Pause Menu/PauseViewController.swift

@@ -19,6 +19,8 @@ class PauseViewController: UIViewController, PauseInfoProvidable
     private weak var saveStatesViewControllerDelegate: SaveStatesViewControllerDelegate?
     private var saveStatesViewControllerMode = SaveStatesViewController.Mode.Saving
     
+    private weak var cheatsViewControllerDelegate: CheatsViewControllerDelegate?
+    
     /// UIViewController
     override var preferredContentSize: CGSize {
         set { }
@@ -86,11 +88,15 @@ extension PauseViewController
             // Keep navigation bar outside the UIVisualEffectView's
             self.view.addSubview(self.pauseNavigationController.navigationBar)
             
-        case "saveState":
+        case "saveStates":
             let saveStatesViewController = segue.destinationViewController as! SaveStatesViewController
             saveStatesViewController.delegate = self.saveStatesViewControllerDelegate
             saveStatesViewController.mode = self.saveStatesViewControllerMode
             
+        case "cheats":
+            let cheatsViewController = segue.destinationViewController as! CheatsViewController
+            cheatsViewController.delegate = self.cheatsViewControllerDelegate
+            
         default: break
         }
     }
@@ -108,7 +114,14 @@ extension PauseViewController
         self.saveStatesViewControllerMode = mode
         self.saveStatesViewControllerDelegate = delegate
         
-        self.performSegueWithIdentifier("saveState", sender: self)
+        self.performSegueWithIdentifier("saveStates", sender: self)
+    }
+    
+    func presentCheatsViewController(delegate delegate: CheatsViewControllerDelegate)
+    {
+        self.cheatsViewControllerDelegate = delegate
+        
+        self.performSegueWithIdentifier("cheats", sender: self)
     }
 }
 

Delta/Pause Menu/Save States/SaveStatesViewController.swift

@@ -119,17 +119,7 @@ extension SaveStatesViewController
     
     override func viewWillAppear(animated: Bool)
     {
-        if self.fetchedResultsController.fetchedObjects == nil
+        self.fetchedResultsController.performFetchIfNeeded()
-        {
-            do
-            {
-                try self.fetchedResultsController.performFetch()
-            }
-            catch let error as NSError
-            {
-                print(error)
-            }
-        }
         
         self.updateBackgroundView()