Adds “Home Screen” DS game to boot into DS main menu

Delta.xcodeproj/project.pbxproj

@@ -125,6 +125,7 @@
 		BFCEA67E1D56FF640061A534 /* UIViewControllerContextTransitioning+Conveniences.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFCEA67D1D56FF640061A534 /* UIViewControllerContextTransitioning+Conveniences.swift */; };
 		BFD097211D3A01B8005A44C2 /* SaveStatesViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF3540041C5DA70400C1184C /* SaveStatesViewController.swift */; };
 		BFD1EF402336BD8800D197CF /* UIDevice+Processor.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFD1EF3F2336BD8800D197CF /* UIDevice+Processor.swift */; };
+		BFDB0FEC24464758001C727C /* DS.png in Resources */ = {isa = PBXBuildFile; fileRef = BFDB0FEB24464757001C727C /* DS.png */; };
 		BFDB3418219E4B1700595A62 /* SyncStatusViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFDB3417219E4B1700595A62 /* SyncStatusViewController.swift */; };
 		BFDCA1E6244EBAA900B8FBDB /* liblibDeSmuME.a in Frameworks */ = {isa = PBXBuildFile; fileRef = BFDCA1E5244EBAA900B8FBDB /* liblibDeSmuME.a */; };
 		BFDD04F11D5E2C27002D450E /* GameCollectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFDD04F01D5E2C27002D450E /* GameCollectionViewController.swift */; };
@@ -281,6 +282,7 @@
 		BFC9B7381CEFCD34008629BB /* CheatsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CheatsViewController.swift; sourceTree = "<group>"; };
 		BFCEA67D1D56FF640061A534 /* UIViewControllerContextTransitioning+Conveniences.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIViewControllerContextTransitioning+Conveniences.swift"; sourceTree = "<group>"; };
 		BFD1EF3F2336BD8800D197CF /* UIDevice+Processor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIDevice+Processor.swift"; sourceTree = "<group>"; };
+		BFDB0FEB24464757001C727C /* DS.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = DS.png; sourceTree = "<group>"; };
 		BFDB3417219E4B1700595A62 /* SyncStatusViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SyncStatusViewController.swift; sourceTree = "<group>"; };
 		BFDCA1E5244EBAA900B8FBDB /* liblibDeSmuME.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; path = liblibDeSmuME.a; sourceTree = BUILT_PRODUCTS_DIR; };
 		BFDD04F01D5E2C27002D450E /* GameCollectionViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GameCollectionViewController.swift; sourceTree = "<group>"; };
@@ -721,6 +723,7 @@
 			isa = PBXGroup;
 			children = (
 				BF6BB2451BB73FE800CCF94A /* Assets.xcassets */,
+				BFDB0FEB24464757001C727C /* DS.png */,
 				BF02D5D91DDEBB3000A5E131 /* openvgdb.sqlite */,
 			);
 			path = Resources;
@@ -920,6 +923,7 @@
 				BF6BF3211EB82362008E83CD /* GamesDatabase.storyboard in Resources */,
 				BFAB9F88219A4B670080EC7D /* GoogleService-Info.plist in Resources */,
 				BF3540001C5DA3C500C1184C /* PausePresentationControllerContentView.xib in Resources */,
+				BFDB0FEC24464758001C727C /* DS.png in Resources */,
 				BF5E7F461B9A652600AE44F8 /* Settings.storyboard in Resources */,
 				BF02D5DA1DDEBB3000A5E131 /* openvgdb.sqlite in Resources */,
 				BF71CF8A1FE904B1001F1613 /* GameTableViewCell.xib in Resources */,

Delta/Database/DatabaseManager.swift

@@ -14,6 +14,7 @@ import DeltaCore
 import Harmony
 import Roxas
 import ZIPFoundation
+import MelonDSDeltaCore
 
 extension DatabaseManager
 {
@@ -74,6 +75,66 @@ extension DatabaseManager
             }
         }
     }
+    
+    func prepare(_ core: DeltaCoreProtocol, in context: NSManagedObjectContext)
+    {
+        guard let system = System(gameType: core.gameType) else { return }
+        
+        if let skin = ControllerSkin(system: system, context: context)
+        {
+            print("Updated default skin (\(skin.identifier)) for system:", system)
+        }
+        else
+        {
+            print("Failed to update default skin for system:", system)
+        }
+        
+        switch system
+        {
+        case .ds where core == MelonDS.core:
+            let predicate = NSPredicate(format: "%K == %@", #keyPath(Game.identifier), Game.melonDSBIOSIdentifier)
+            if let _ = Game.instancesWithPredicate(predicate, inManagedObjectContext: context, type: Game.self).first
+            {
+                // Game already exists, so don't do anything.
+                break
+            }
+            
+            let game = Game(context: context)
+            game.identifier = Game.melonDSBIOSIdentifier
+            game.type = .ds
+            game.filename = "melonDS-BIOS"
+            
+            game.name = NSLocalizedString("Home Screen", comment: "")
+            
+            if let sourceURL = Bundle.main.url(forResource: "DS", withExtension: "png")
+            {
+                do
+                {
+                    let destinationURL = DatabaseManager.artworkURL(for: game)
+                    try FileManager.default.copyItem(at: sourceURL, to: destinationURL, shouldReplace: true)
+                    game.artworkURL = destinationURL
+                }
+                catch
+                {
+                    print("Failed to copy default DS home screen artwork.", error)
+                }
+            }
+            
+            let gameCollection = GameCollection(context: context)
+            gameCollection.identifier = GameType.ds.rawValue
+            gameCollection.index = Int16(System.ds.year)
+            gameCollection.games.insert(game)
+            
+        case .ds:
+            let predicate = NSPredicate(format: "%K == %@", #keyPath(Game.identifier), Game.melonDSBIOSIdentifier)
+            if let game = Game.instancesWithPredicate(predicate, inManagedObjectContext: context, type: Game.self).first
+            {
+                context.delete(game)
+            }
+            
+        default: break
+        }
+    }
 }
 
 //MARK: - Update -
@@ -113,13 +174,7 @@ private extension DatabaseManager
             
             for system in System.allCases
             {
-                guard let deltaControllerSkin = DeltaCore.ControllerSkin.standardControllerSkin(for: system.gameType) else { continue }
-                
-                let controllerSkin = ControllerSkin(context: context)
-                controllerSkin.isStandard = true
-                controllerSkin.filename = deltaControllerSkin.fileURL.lastPathComponent
-                
-                controllerSkin.configure(with: deltaControllerSkin)
+                self.prepare(system.deltaCore, in: context)
             }
             
             do

Delta/Database/Model/Human/Game.swift

@@ -11,6 +11,11 @@ import Foundation
 import DeltaCore
 import Harmony
 
+public extension Game
+{
+    static let melonDSBIOSIdentifier = "com.rileytestut.MelonDSDeltaCore.BIOS"
+}
+
 @objc(Game)
 public class Game: _Game, GameProtocol
 {
@@ -151,4 +156,8 @@ extension Game: Syncable
     public var syncableLocalizedName: String? {
         return self.name
     }
+    
+    public var isSyncingEnabled: Bool {
+        return self.identifier != Game.melonDSBIOSIdentifier
+    }
 }

Delta/Database/Model/Human/GameSave.swift

@@ -57,4 +57,11 @@ extension GameSave: Syncable
     public var syncableLocalizedName: String? {
         return self.game?.name
     }
+    
+    public var isSyncingEnabled: Bool {
+        // self.game may be nil if being downloaded, so don't enforce it.
+        // guard let identifier = self.game?.identifier else { return false }
+        
+        return self.game?.identifier != Game.melonDSBIOSIdentifier
+    }
 }

Delta/Database/Model/Human/SaveState.swift

@@ -123,7 +123,11 @@ extension SaveState: Syncable
     }
     
     public var isSyncingEnabled: Bool {
-        return self.type != .auto && self.type != .quick
+        // self.game may be nil if being downloaded, so don't enforce it.
+        // guard let identifier = self.game?.identifier else { return false }
+        
+        let isSyncingEnabled = (self.type != .auto && self.type != .quick) && (self.game?.identifier != Game.melonDSBIOSIdentifier)
+        return isSyncingEnabled
     }
     
     public var syncableMetadata: [HarmonyMetadataKey : String] {

Delta/Extensions/ControllerSkin+Configuring.swift

@@ -10,6 +10,18 @@ import DeltaCore
 
 extension ControllerSkin
 {
+    convenience init?(system: System, context: NSManagedObjectContext)
+    {
+        guard let deltaControllerSkin = DeltaCore.ControllerSkin.standardControllerSkin(for: system.gameType) else { return nil }
+        
+        self.init(context: context)
+        
+        self.isStandard = true
+        self.filename = deltaControllerSkin.fileURL.lastPathComponent
+        
+        self.configure(with: deltaControllerSkin)
+    }
+    
     func configure(with skin: DeltaCore.ControllerSkin)
     {
         // Manually copy values to be stored in database.

Delta/Game Selection/GameCollectionViewController.swift

@@ -440,6 +440,7 @@ private extension GameCollectionViewController
         switch game.type
         {
         case GameType.unknown: return [cancelAction, renameAction, changeArtworkAction, shareAction, deleteAction]
+        case .ds where game.identifier == Game.melonDSBIOSIdentifier: return [cancelAction, renameAction, changeArtworkAction, changeControllerSkinAction, saveStatesAction]
         default: return [cancelAction, renameAction, changeArtworkAction, changeControllerSkinAction, shareAction, saveStatesAction, importSaveFile, deleteAction]
         }
     }