Final fixes

TowerForge/TowerForge/AppMain/Application/AppDelegate.swift

@@ -23,7 +23,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         FirebaseApp.configure()
 
         /// Initialize all local storage
-        StorageManager.initializeAllStorage()
+        StorageHandler.initializeLocalStorageIfNotPresent()
 
         /// Prepare audio player to begin playing music
         AudioManager.shared.setupAllAudioPlayers()

TowerForge/TowerForge/Commons/Enums/StorageEnums.swift

@@ -34,6 +34,7 @@ class StorageEnums {
     enum StorageConflictResolution: String {
         case MERGE
         case KEEP_LATEST_ONLY
+        case PRESERVE_LOCAL
     }
 
     struct DynamicCodingKeys: CodingKey {

TowerForge/TowerForge/Commons/Extensions/Double+Extensions.swift

@@ -8,7 +8,7 @@
 import Foundation
 
 extension Double {
-    static var unit: Double { 1.0 }
+    static let unit: Double = 1.0
     var half: Double { self * 0.5 }
     var twice: Double { self * 2.0 }
     var oneHalf: Double { self * 1.5 }
@@ -18,13 +18,13 @@ extension Double {
 }
 
 extension Int {
-    static var unit: Int { 1 }
-    static var zero: Int { 0 }
-    static var negativeUnit: Int { -1 }
+    static let unit: Int = 1
+    static let zero: Int = 0
+    static let negativeUnit: Int = -1
 }
 
 extension CGFloat {
-    static var unit: Double { Double.unit }
+    static let unit = CGFloat(Double.unit)
     var half: Double { Double(self).half }
     var twice: Double { Double(self).twice }
     var square: Double { Double(self).square }

TowerForge/TowerForge/Firebase/Authentication/AuthenticationManager.swift

@@ -86,7 +86,9 @@ class AuthenticationManager: AuthenticationProtocol {
             let userData = AuthenticationData(userId: user.uid,
                                               email: email,
                                               username: user.displayName)
-            StorageManager.onLogin(with: userData.userId) // TODO: Consider if there might be a better way to do this
+            // StorageManager.onLogin(with: userData.userId) // TODO: Consider if there might be a better way to do this
+            // Constants.CURRENT_PLAYER_ID = userData.userId
+            Logger.log("LOGIN: userId is \(userData.userId), email is \(userData.email)", self)
             self.delegate?.onLogin()
             completion(userData, nil)
         }
@@ -96,7 +98,6 @@ class AuthenticationManager: AuthenticationProtocol {
         do {
             try Auth.auth().signOut()
             self.delegate?.onLogout()
-            StorageManager.onLogout()
             completion(nil)
         } catch let error as NSError {
             completion(error)
@@ -106,6 +107,7 @@ class AuthenticationManager: AuthenticationProtocol {
         if let currentUser = Auth.auth().currentUser {
             // User is currently logged in, fetch user data
             Logger.log(String(describing: currentUser), self)
+
             let userData = AuthenticationData(userId: currentUser.uid,
                                               email: currentUser.email ?? "",
                                               username: currentUser.displayName)

TowerForge/TowerForge/Firebase/Authentication/AuthenticationProvider.swift

@@ -55,12 +55,16 @@ class AuthenticationProvider {
         observers.forEach { $0.onLogout() }
     }
 
-    func getCurrentUserId() -> String? {
-        var currentUserId: String?
-        self.authenticationManager.getUserData { authData, _ in
-            currentUserId = authData?.userId
+    func getCurrentUserId(completion: @escaping (String?, Error?) -> Void) {
+        self.authenticationManager.getUserData { authData, error in
+            if let error = error {
+                Logger.log("Error retrieving CurrentUserId \(error)", self)
+                completion(nil, error)
+            } else if let playerId = authData?.userId {
+                Logger.log("Successfully retrieved currentUserId", self)
+                completion(playerId, nil)
+            }
         }
-        return currentUserId
     }
 }
 

TowerForge/TowerForge/GameModule/GameWorld.swift

@@ -19,7 +19,9 @@ class GameWorld {
     private var renderer: Renderer?
     private let worldBounds: CGRect
     private var popup: StatePopupNode
-    private var statisticsEngine = StatisticsEngine()
+
+    private var storageHandler = StorageHandler()
+    private var statisticsEngine: StatisticsEngine
 
     unowned var scene: GameScene? { didSet { setUpScene() } }
     unowned var delegate: SceneManagerDelegate?
@@ -33,6 +35,8 @@ class GameWorld {
         powerUpSelectionNode = PowerUpSelectionNode(eventManager: gameEngine.eventManager)
         grid = Grid(screenSize: worldBounds)
         popup = StatePopupNode()
+        storageHandler = StorageHandler()
+        statisticsEngine = StatisticsEngine(with: storageHandler)
 
         setUp()
     }
@@ -126,6 +130,6 @@ extension GameWorld: GameEngineDelegate {
     func onGameCompleted(gameState: GameState, gameResults: [GameResult]) {
         Logger.log("\(gameState)", self)
         delegate?.showGameOverScene(isWin: gameState == .WIN, results: gameResults)
-        statisticsEngine.finalize()
+        statisticsEngine.finalizeAndSave()
     }
 }

TowerForge/TowerForge/Metrics/Achievements/AchievementsEngine.swift

@@ -17,7 +17,7 @@ class AchievementsEngine: InferenceEngine, InferenceDataDelegate {
     var achievementsDatabase: AchievementsDatabase
 
     var statisticsDatabase: StatisticsDatabase {
-        statisticsEngine.statistics
+        statisticsEngine.statisticsDatabase
     }
 
     init(_ statisticsEngine: StatisticsEngine) {

TowerForge/TowerForge/Metrics/Achievements/AchievementsFactory.swift

@@ -12,7 +12,7 @@ class AchievementsFactory {
     static var availableAchievementTypes: [String: Achievement.Type] =
         [
             String(describing: FiftyKillsAchievement.self): FiftyKillsAchievement.self,
-            String(describing: HundredKillsAchievement.self): HundredKillsAchievement.self,
+            String(describing: ThousandKillsAchievement.self): ThousandKillsAchievement.self,
             String(describing: CenturionAchievement.self): CenturionAchievement.self
         ]
 

TowerForge/TowerForge/Metrics/Achievements/Implemented/HundredKillsAchievement.swift → TowerForge/TowerForge/Metrics/Achievements/Implemented/ThousandKillsAchievement.swift

@@ -7,14 +7,14 @@
 
 import Foundation
 
-final class HundredKillsAchievement: Achievement {
-    var name: String = "100 Kills"
-    var description: String = "Attain 100 total kills in TowerForge"
+final class ThousandKillsAchievement: Achievement {
+    var name: String = "1000 Kills"
+    var description: String = "Attain 1000 total kills in TowerForge"
     var currentParameters: [StatisticTypeWrapper: any Statistic] = [:]
 
     static var definedParameters: [StatisticTypeWrapper: Double] =
     [
-        TotalKillsStatistic.asType: 200.0
+        TotalKillsStatistic.asType: 1_000.0
     ]
 
     init(dependentStatistics: [Statistic]) {

TowerForge/TowerForge/Metrics/Missions/Implemented/MassEffectMission.swift

@@ -0,0 +1,27 @@
+//
+//  MassEffectMission.swift
+//  TowerForge
+//
+//  Created by Rubesh on 20/4/24.
+//
+
+import Foundation
+
+final class MassEffectMission: Mission {
+    var name: String = "Mass Effect"
+    var description: String = "Attain 100 Kills & Deaths in 1 game"
+    var currentParameters: [StatisticTypeWrapper: any Statistic]
+
+    static var definedParameters: [StatisticTypeWrapper: Double] {
+        [
+            TotalKillsStatistic.asType: 100.0,
+            TotalDeathsStatistic.asType: 100.0
+        ]
+    }
+
+    init(dependentStatistics: [Statistic]) {
+        var stats: [StatisticTypeWrapper: any Statistic] = [:]
+        dependentStatistics.forEach { stats[$0.statisticName] = $0 }
+        self.currentParameters = stats
+    }
+}

TowerForge/TowerForge/Metrics/Missions/MissionsEngine.swift

@@ -11,7 +11,7 @@ class MissionsEngine: InferenceEngine, InferenceDataDelegate {
     unowned var statisticsEngine: StatisticsEngine
     var missionsDatabase: MissionsDatabase
     var statisticsDatabase: StatisticsDatabase {
-        statisticsEngine.statistics
+        statisticsEngine.statisticsDatabase
     }
 
     init(_ statisticsEngine: StatisticsEngine) {

TowerForge/TowerForge/Metrics/Missions/MissionsFactory.swift

@@ -13,7 +13,8 @@ class MissionsFactory {
         [
             String(describing: MassDamageMission.self): MassDamageMission.self,
             String(describing: MassKillMission.self): MassKillMission.self,
-            String(describing: MassDeathMission.self): MassDeathMission.self
+            String(describing: MassDeathMission.self): MassDeathMission.self,
+            String(describing: MassEffectMission.self): MassEffectMission.self
         ]
 
     static func registerMissionType<T: Mission>(_ stat: T) {

TowerForge/TowerForge/Metrics/Ranking/RankingEngine.swift

@@ -9,16 +9,22 @@ import Foundation
 
 /// The RankingEngine is responsible for generating rank and exp information.
 class RankingEngine: InferenceEngine, InferenceDataDelegate {
+    unowned var statisticsEngine: StatisticsEngine
 
-    // TODO: Consider expanding to more formula for .e.g double exp.
     static var defaultExpFormula: ((StatisticsDatabase) -> Double) = {
         $0.statistics.values.map { $0.rankValue }.reduce(into: .zero) { $0 += $1 }
     }
 
-    unowned var statisticsEngine: StatisticsEngine
+    init(_ statisticsEngine: StatisticsEngine) {
+        self.statisticsEngine = statisticsEngine
+    }
+
+    deinit {
+        Logger.log("DEINIT: RankingEngine is deinitialized", self)
+    }
 
     var statisticsDatabase: StatisticsDatabase {
-        statisticsEngine.statistics
+        statisticsEngine.statisticsDatabase
     }
 
     var currentExp: Double {
@@ -29,8 +35,12 @@ class RankingEngine: InferenceEngine, InferenceDataDelegate {
         Rank.allCases.first { $0.valueRange.contains(Int(self.currentExp)) } ?? .PRIVATE
     }
 
-    var currentKd: Double {
-        getPermanentValueFor(TotalKillsStatistic.self) / getPermanentValueFor(TotalDeathsStatistic.self)
+    /// Returns the current kill/death ratio as a double between 0 and 1.
+    var currentKdRatio: Double {
+        let kills = getPermanentValueFor(TotalKillsStatistic.self)
+        let deaths = getPermanentValueFor(TotalDeathsStatistic.self)
+
+        return kills > 0 && deaths > 0 ? kills / deaths : .zero
     }
 
     var currentExpAsString: String {
@@ -46,13 +56,21 @@ class RankingEngine: InferenceEngine, InferenceDataDelegate {
         currentRank.isOfficer()
     }
 
-    init(_ statisticsEngine: StatisticsEngine) {
-        self.statisticsEngine = statisticsEngine
+    func getPermanentValueFor<T: Statistic>(_ stat: T.Type) -> Double {
+        statisticsDatabase.getStatistic(for: stat.asType)?.permanentValue ?? .zero
     }
 
     func updateOnReceive() {  }
 
-    func getPermanentValueFor<T: Statistic>(_ stat: T.Type) -> Double {
-        statisticsDatabase.getStatistic(for: stat.asType)?.permanentValue ?? .zero
+    func percentageToNextRank() -> Double {
+        let minScore = currentRank.valueRange.lowerBound
+        let currentScore = Int(currentExp)
+        let maxScore = currentRank.valueRange.upperBound
+        let range = Double(maxScore - minScore)
+        let adjustedScore = Double(currentScore - minScore)
+        let percentageToNextRank = adjustedScore / range
+
+        return percentageToNextRank
+
     }
 }

TowerForge/TowerForge/Metrics/Statistics/Implemented/TotalDamageDealtStatistic.swift

@@ -54,4 +54,23 @@ final class TotalDamageDealtStatistic: Statistic {
 
           self.init(permanentValue: value, currentValue: current)
     }
+
+    func merge<T: Statistic>(with that: T) -> T? {
+        guard let that = that as? Self else {
+            return nil
+        }
+
+        let largerPermanent = Double.maximum(self.permanentValue, that.permanentValue)
+        let largerCurrent = Double.maximum(self.currentValue, that.currentValue)
+        let largerMaxCurrent = Double.maximum(self.maximumCurrentValue, that.maximumCurrentValue)
+
+        guard let stat = Self(permanentValue: largerPermanent,
+                              currentValue: largerCurrent,
+                              maxCurrentValue: largerMaxCurrent) as? T else {
+            Logger.log("Statistic merging failed for \(self.toString())", self)
+            return nil
+        }
+
+        return stat
+    }
 }

TowerForge/TowerForge/Metrics/Statistics/Implemented/TotalDeathsStatistic.swift

@@ -55,4 +55,23 @@ final class TotalDeathsStatistic: Statistic {
           self.init(permanentValue: value, currentValue: current)
     }
 
+    func merge<T: Statistic>(with that: T) -> T? {
+        guard let that = that as? Self else {
+            return nil
+        }
+
+        let largerPermanent = Double.maximum(self.permanentValue, that.permanentValue)
+        let largerCurrent = Double.maximum(self.currentValue, that.currentValue)
+        let largerMaxCurrent = Double.maximum(self.maximumCurrentValue, that.maximumCurrentValue)
+
+        guard let stat = Self(permanentValue: largerPermanent,
+                              currentValue: largerCurrent,
+                              maxCurrentValue: largerMaxCurrent) as? T else {
+            Logger.log("Statistic merging failed for \(self.toString())", self)
+            return nil
+        }
+
+        return stat
+    }
+
 }