bulk update, gonna break it up with new files in following commits

GoldWars/GoldWars.xcodeproj/project.pbxproj

@@ -404,7 +404,7 @@
 				9E174C88245DF1FF00209FF0 /* BackgroundComponent.swift in Sources */,
 				9E78ACBA245CBDAF00526FF7 /* HUD.swift in Sources */,
 				9EC2FBA72476B1EC00ABF11F /* PlayerInfoComponent.swift in Sources */,
-				AE6BB1C0248030720063ECAE /* States.swift in Sources */,
+				AE6BB1C0248030720063ECAE /* StateTypes.swift in Sources */,
 				9EEDE02D246FCD770096C735 /* SpinningLogoEntity.swift in Sources */,
 				9E174C86245DD91500209FF0 /* ButtonComponent.swift in Sources */,
 				11036113244B3E30008610AF /* MenuScene.swift in Sources */,

GoldWars/GoldWars/GameViewController.swift

@@ -12,14 +12,12 @@ import GameplayKit
 
 class GameViewController: UIViewController {
     
-    var stateMachine: GKStateMachine?
-    
     override func viewDidLoad() {
         super.viewDidLoad()
         
-        createStates()
+        StateManager.stateManager.allowedState = StateTypes.menuSt
-        failedEnteringStates()
+        StateManager.stateManager.createStates()
-        self.stateMachine?.enter(MenuState.self)
+        StateManager.stateManager.enterState()
         
         if let view = self.view as! SKView? {
             let scene = MenuScene(size: self.view.bounds.size)
@@ -31,9 +29,8 @@ class GameViewController: UIViewController {
             view.showsNodeCount = true
         }
         GameCenterManager.sharedInstance.viewController = self
-      
-        
     }
+    
     override var shouldAutorotate: Bool {
         return true
     }
@@ -49,24 +46,4 @@ class GameViewController: UIViewController {
     override var prefersStatusBarHidden: Bool {
         return true
     }
-    
-    func createStates(){
-        let menuSt = MenuState()
-        let syncingSt = SyncingState()
-        let playingSt = GameState()
-        
-        stateMachine = GKStateMachine(states: [menuSt, syncingSt, playingSt])
-    }
-    
-    func failedEnteringStates(){
-        if stateMachine?.enter(MenuState.self) == false {
-            print("failed to enter MenuState")
-        }
-        if stateMachine?.enter(SyncingState.self) == false {
-            print("failed to enter Syncing")
-        }
-        if stateMachine?.enter(GameState.self) == false {
-            print("failed to enter Game")
-        }
-    }
 }

GoldWars/GoldWars/StateTypes.swift

@@ -0,0 +1,136 @@
+//
+//  States.swift
+//  GoldWars
+//
+//  Created by Chauntalle Schüle on 28.05.20.
+//  Copyright © 2020 SP2. All rights reserved.
+//
+
+import GameKit
+import os
+
+enum StateTypes {
+    case menuSt
+    case syncingSt
+    case gameSt
+    case endGameSt
+}
+
+class StateManager{
+    
+    static let stateManager = StateManager()
+    
+    var stateMachine: GKStateMachine?
+    var allowedState: StateTypes?
+    let LOG = OSLog.init(subsystem: "StateManager", category: "StateManager")
+    
+    func enterState(){
+        switch allowedState {
+        case .menuSt:
+            if stateMachine?.enter(MenuState.self) == false {
+                 os_log("Failed entering Menu State", log: LOG, type: .info)
+            }
+        case .gameSt:
+            if stateMachine?.enter(GameState.self) == false {
+                os_log("Failed entering Game State", log: LOG, type: .info)
+            }
+        case .syncingSt:
+            if stateMachine?.enter(SyncingState.self) == false {
+                os_log("Failed entering Syncing State", log: LOG, type: .info)
+            }
+        case .endGameSt:
+            if stateMachine?.enter(EndGameState.self) == false {
+                os_log("Failed entering EndGame State", log: LOG, type: .info)
+            }
+        default:
+            os_log("Allowed State was found nil, can't enter any State", log: LOG, type: .info)
+        }
+    }
+    
+    func createStates(){
+           let menuSt = MenuState()
+           let syncingSt = SyncingState()
+           let playingSt = GameState()
+           let endGameSt = EndGameState()
+
+           stateMachine = GKStateMachine(states: [menuSt, syncingSt, playingSt, endGameSt])
+       }
+}
+
+class MenuState: GKState {
+    
+    let LOG = OSLog.init(subsystem: "MenuState", category: "MenuState")
+    
+    override func isValidNextState(_ stateClass: AnyClass) -> Bool {
+    /*    guard GameViewController.allowedState != States.menuSt && GameViewController.allowedState == nil else {
+            return false
+        }
+        if (GameViewController.allowedState == States.syncingSt){
+            return stateClass is SyncingState.Type
+        }else {
+            return false
+        }*/
+        return stateClass is SyncingState.Type
+    }
+    
+    override func update(deltaTime seconds: TimeInterval) {
+    }
+
+    override func didEnter(from previousState: GKState?) {
+        os_log("Entered Menu State", log: LOG, type: .info)
+    }
+    
+    override func willExit(to nextState: GKState) {
+    }
+}
+
+class SyncingState: GKState {
+    let LOG = OSLog.init(subsystem: "SyncingState", category: "SyncingState")
+    
+    override func isValidNextState(_ stateClass: AnyClass) -> Bool {
+        return stateClass is GameState.Type || stateClass is EndGameState.Type
+    }
+
+    override func didEnter(from previousState: GKState?) {
+         os_log("Entered Syncing State", log: LOG, type: .info)
+    }
+    override func update(deltaTime seconds: TimeInterval) {
+    }
+    override func willExit(to nextState: GKState) {
+    }
+}
+
+class GameState: GKState {
+    let LOG = OSLog.init(subsystem: "GameState", category: "GameState")
+    
+    override func isValidNextState(_ stateClass: AnyClass) -> Bool {
+        return stateClass is SyncingState.Type
+    }
+
+    override func didEnter(from previousState: GKState?) {
+         os_log("Entered Game State", log: LOG, type: .info)
+    }
+    override func update(deltaTime seconds: TimeInterval) {
+    }
+    override func willExit(to nextState: GKState) {
+    }
+}
+
+class EndGameState: GKState {
+    
+    let LOG = OSLog.init(subsystem: "EndGameState", category: "EndGameState")
+    
+    override func isValidNextState(_ stateClass: AnyClass) -> Bool {
+        return stateClass is MenuState.Type
+    }
+    
+    override func update(deltaTime seconds: TimeInterval) {
+    }
+
+    override func didEnter(from previousState: GKState?) {
+        os_log("Entered EndGame State", log: LOG, type: .info)
+    }
+    
+    override func willExit(to nextState: GKState) {
+    }
+}

GoldWars/GoldWars/States.swift

@@ -1,41 +0,0 @@
-//
-//  States.swift
-//  GoldWars
-//
-//  Created by Chauntalle Schüle on 28.05.20.
-//  Copyright © 2020 SP2. All rights reserved.
-//
-
-import GameKit
-
-class MenuState: GKState {
-
-    override func isValidNextState(_ stateClass: AnyClass) -> Bool {
-        return stateClass is SyncingState.Type
-    }
-
-    override func didEnter(from previousState: GKState?) {
-        print("Entered MenuState")
-    }
-}
-
-class SyncingState: GKState {
-    override func isValidNextState(_ stateClass: AnyClass) -> Bool {
-        return stateClass is GameState.Type
-    }
-
-    override func didEnter(from previousState: GKState?) {
-        print("Entered Syncing State")
-    }
-
-}
-
-class GameState: GKState {
-    override func isValidNextState(_ stateClass: AnyClass) -> Bool {
-        return stateClass is SyncingState.Type
-    }
-
-    override func didEnter(from previousState: GKState?) {
-        print("Entered Game State")
-    }
-}