adding bigger changes after review, deleted enum und methods enter&changeState

GoldWars/GoldWars/GameCenterManager.swift

@@ -148,13 +148,13 @@ final class GameCenterManager: NSObject, GKMatchmakerViewControllerDelegate, GKG
                     sendStateToPeers(state: State(state: 3))
                     initIsFinish = true
                      print("entered gameSt in case 2 match")
-                    StateManager.sharedInstance.changeState(wantedState: .gameSt)
+                    StateManager.sharedInstance.stateMachine?.enter(GameState.self)
                     os_log("Spiel startet", log: LOG, type: .info)
                 case 3:
                     os_log("State 3 erhalten", log: LOG, type: .info)
                     initIsFinish = true
                     print("entered gameSt in case 3 match")
-                    StateManager.sharedInstance.changeState(wantedState: .gameSt)
+                    StateManager.sharedInstance.stateMachine?.enter(GameState.self)
                     os_log("Spiel startet", log: LOG, type: .info)
                 case 4:
                     os_log("State 4 erhalten, Peer hat verloren", log: LOG, type: .info)
@@ -170,13 +170,13 @@ final class GameCenterManager: NSObject, GKMatchmakerViewControllerDelegate, GKG
             DataService.sharedInstance.addRemotePlayerMoves(playerName: player.displayName, localRoundData: roundData)
         }
         if let snapshotModel = try? jsonDecoder.decode(SnapshotModel.self, from: data) {
-            StateManager.sharedInstance.enterState(wantedState: .syncingState)
+            StateManager.sharedInstance.stateMachine?.enter(SyncingState.self)
             DataService.sharedInstance.snapshotModel = snapshotModel
             RoundCalculatorService.sharedInstance.currentRound += 1
             entityManager.getHUD()?.setCurrentRound(round: RoundCalculatorService.sharedInstance.currentRound)
             entityManager.updateSnapshotModel(snapshotModel: snapshotModel)
             entityManager.getHUD()?.startWithDuration()
-            StateManager.sharedInstance.enterState(wantedState: .gameState)
+            StateManager.sharedInstance.stateMachine?.enter(GameState.self)
         }
         if let mapModel = try? jsonDecoder.decode(MapGenerationModel.self, from: data) {
             os_log("Peer hat Map erhalten", log: LOG, type: .info)
@@ -238,16 +238,16 @@ final class GameCenterManager: NSObject, GKMatchmakerViewControllerDelegate, GKG
     }
     func matchmakerViewControllerWasCancelled(_ viewController: GKMatchmakerViewController) {
         viewController.dismiss(animated: true, completion: nil)
-        StateManager.sharedInstance.enterState(wantedState: .menuState)
+        StateManager.sharedInstance.stateMachine?.enter(MenuState.self)
     }
     
     func matchmakerViewController(_ viewController: GKMatchmakerViewController, didFailWithError error: Error) {
         viewController.dismiss(animated: true, completion: nil)
-        StateManager.sharedInstance.enterState(wantedState: .menuState)
+        StateManager.sharedInstance.stateMachine?.enter(MenuState.self)
     }
     
     func matchmakerViewController(_ viewController: GKMatchmakerViewController, didFind match: GKMatch) {
-        StateManager.sharedInstance.enterState(wantedState: .syncingState)
+        StateManager.sharedInstance.stateMachine?.enter(SyncingState.self)
         viewController.dismiss(animated: true, completion: nil)
         myMatch = match
         if !isMatchStarted && match.expectedPlayerCount == 0 {

GoldWars/GoldWars/GameViewController.swift

@@ -16,7 +16,7 @@ class GameViewController: UIViewController {
         super.viewDidLoad()
     
         StateManager.sharedInstance.gameVC = self
-        StateManager.sharedInstance.enterState(wantedState: .menuState)
+        StateManager.sharedInstance.stateMachine?.enter(MenuState.self)
         
         GameCenterManager.sharedInstance.viewController = self
     }

GoldWars/GoldWars/RoundCalculatorService.swift

@@ -29,7 +29,7 @@ class RoundCalculatorService {
     var roundNr = 1
     
     func calculateRound() {
-        StateManager.sharedInstance.enterState(wantedState: .syncingState)
+        StateManager.sharedInstance.stateMachine?.enter(SyncingState.self)
         os_log("Started calculating Round", log: RoundCalculatorService.LOG, type: .info)
         
         roundNr += 1
@@ -173,7 +173,7 @@ class RoundCalculatorService {
         entityManager.updateSnapshotModel(snapshotModel: currentSnapshotModel!)
         entityManager.getHUD()?.startWithDuration()
         os_log("Finished calculating Round", log: RoundCalculatorService.LOG, type: .info)
-        StateManager.sharedInstance.enterState(wantedState: .gameState)
+        StateManager.sharedInstance.stateMachine?.enter(GameState.self)
     }
     
     func collectBaseSpecificMoves() -> [Int: [String: [PlayerMove]]] {

GoldWars/GoldWars/Scenes/MenuScene.swift

@@ -25,7 +25,7 @@ class MenuScene: SKScene {
                                  position: CGPoint(x: midX, y: midY),
                                  onButtonPress: {
                                     if CommandLine.arguments.contains("--no-matchmaking") {
-                                        StateManager.sharedInstance.enterState(wantedState: .gameState)
+                                        StateManager.sharedInstance.stateMachine?.enter(GameState.self)
                                         SoundManager.sharedInstance.stopMenuMusic()
                                     } else {
                                         if GameCenterManager.isAuthenticated {

GoldWars/GoldWars/States/EndGameState.swift

@@ -14,6 +14,14 @@ class EndGameState: GKState {
     let LOG = OSLog.init(subsystem: "EndGameState", category: "EndGameState")
     
     override func isValidNextState(_ stateClass: AnyClass) -> Bool {
+        if StateManager.sharedInstance.stateMachine?.currentState is EndGameState && stateClass is EndGameState.Type{
+            os_log("Already in EndGame State", log: LOG, type: .info)
+            return false
+        }
+        if stateClass is SyncingState.Type || stateClass is GameState.Type{
+            os_log("Failed: Entering SyncingState and GameState after EndGameState is not allowed", log: LOG, type: .info)
+            return false
+        }
         return stateClass is MenuState.Type
     }
     

GoldWars/GoldWars/States/GameState.swift

@@ -14,6 +14,14 @@ class GameState: GKState {
     let LOG = OSLog.init(subsystem: "GameState", category: "GameState")
     
     override func isValidNextState(_ stateClass: AnyClass) -> Bool {
+        if StateManager.sharedInstance.stateMachine?.currentState is GameState && stateClass is GameState.Type{
+            os_log("Already in Game State", log: LOG, type: .info)
+            return false
+        }
+        if stateClass is MenuState.Type || stateClass is EndGameState.Type{
+            os_log("Failed: Entering MenuState and EndgameState after GameState is not allowed", log: LOG, type: .info)
+            return false
+        }
         return stateClass is SyncingState.Type
     }
     

GoldWars/GoldWars/States/MenuState.swift

@@ -14,6 +14,14 @@ class MenuState: GKState {
     let LOG = OSLog.init(subsystem: "MenuState", category: "MenuState")
     
     override func isValidNextState(_ stateClass: AnyClass) -> Bool {
+        if StateManager.sharedInstance.stateMachine?.currentState is MenuState && stateClass is MenuState.Type{
+            os_log("Already in Menu State", log: LOG, type: .info)
+            return false
+        }
+        if stateClass is EndGameState.Type{
+            os_log("Entering EndGameState after MenuState is not allowed", log: LOG, type: .info)
+            return false
+        }
         if CommandLine.arguments.contains("--no-matchmaking") {
             return stateClass is GameState.Type
         }
@@ -31,14 +39,6 @@ class MenuState: GKState {
         os_log("Entered Menu State", log: LOG, type: .info)
         
         if (previousState == nil){
-            presentFirstViewMenu()
-        }
-    }
-    
-    override func willExit(to nextState: GKState) {
-    }
-    
-    func presentFirstViewMenu(){
             if let view = StateManager.sharedInstance.gameVC!.view as! SKView? {
                 let scene = MenuScene(size: StateManager.sharedInstance.gameVC!.view.bounds.size)
                 EntityManager.menuEMInstance.setScene(scene: scene)
@@ -50,3 +50,8 @@ class MenuState: GKState {
             }
         }
     }
+    
+    override func willExit(to nextState: GKState) {
+    }
+    
+}

GoldWars/GoldWars/States/StateManager.swift

@@ -9,19 +9,11 @@
 import GameKit
 import os
 
-enum StateTypes {
-    case menuState
-    case syncingState
-    case gameState
-    case endGameState
-}
-
 class StateManager{
     
     static let sharedInstance = StateManager()
     
     var stateMachine: GKStateMachine?
-    var currentState: GKState?
     
     var menuSc: MenuScene?
     var gameVC: GameViewController?
@@ -37,58 +29,4 @@ class StateManager{
         
         stateMachine = GKStateMachine(states: [menuState, syncingState, playingState, endGameState])
     }
-    
-    func enterState(wantedState: StateTypes){
-        switch wantedState {
-        case .menuState:
-            if stateMachine?.enter(MenuState.self) == false {
-                if stateMachine?.currentState is MenuState{
-                    os_log("Already in Menu State", log: LOG, type: .info)
-                }else{
-                    os_log("Failed entering Menu State", log: LOG, type: .info)
-                }
-            }else{
-                currentState = stateMachine?.currentState
-            }
-        case .gameState:
-            if stateMachine?.enter(GameState.self) == false {
-                if stateMachine?.currentState is GameState{
-                    os_log("Already in Game State", log: LOG, type: .info)
-                } else {
-                    os_log("Failed entering Game State", log: LOG, type: .info)
-                }
-            }else{
-                currentState = stateMachine?.currentState
-            }
-        case .syncingState:
-            if stateMachine?.enter(SyncingState.self) == false {
-                if stateMachine?.currentState is SyncingState{
-                    os_log("Already in Syncing State", log: LOG, type: .info)
-                }else{
-                    os_log("Failed entering Syncing State", log: LOG, type: .info)
-                }
-            }else{
-                currentState = stateMachine?.currentState
-            }
-        case .endGameState:
-            if stateMachine?.enter(EndGameState.self) == false {
-                if stateMachine?.currentState is EndGameState{
-                    os_log("Already in EndGame State", log: LOG, type: .info)
-                } else{
-                    os_log("Failed entering EndGame State", log: LOG, type: .info)
-                }
-            }else{
-                currentState = stateMachine?.currentState
-            }
-        }
-    }
-    
-    /*func createStates(){
-        let menuSt = MenuState()
-        let syncingSt = SyncingState()
-        let playingSt = GameState()
-        let endGameSt = EndGameState()
-        
-        stateMachine = GKStateMachine(states: [menuSt, syncingSt, playingSt, endGameSt])
-    }*/
 }

GoldWars/GoldWars/States/SyncingState.swift

@@ -15,6 +15,10 @@ class SyncingState: GKState {
     var previousState: GKState?
     
     override func isValidNextState(_ stateClass: AnyClass) -> Bool {
+        if StateManager.sharedInstance.stateMachine?.currentState is SyncingState && stateClass is SyncingState.Type{
+            os_log("Already in Syncing State", log: LOG, type: .info)
+            return false
+        }
         return stateClass is GameState.Type || stateClass is EndGameState.Type || stateClass is MenuState.Type
     }