NSUserDefaults not simply saving high score - swift

Question

Its supposed to be that when my player reaches a new high score, it'll show it on the GameOver scene, but in this case, its not doing that. I have all of my NSUserDefaults in a separate .swift file.
Here is my code:
import Foundation
class GameState {
var score: Int
var highScore: Int
var stars: Int
class var sharedInstance :GameState {
struct Singleton {
static let instance = GameState()
}
return Singleton.instance
}
init() {
// Init
score = 0
highScore = 0
stars = 0
// Load game state
let defaults = NSUserDefaults.standardUserDefaults()
highScore = defaults.integerForKey("highScore")
stars = defaults.integerForKey("stars")
}
func saveState() {
// Update highScore if the current score is greater
highScore = max(score, highScore)
// Store in user defaults
let defaults = NSUserDefaults.standardUserDefaults()
defaults.setInteger(highScore, forKey: "highScoreLabel")
defaults.setInteger(stars, forKey: "stars")
NSUserDefaults.standardUserDefaults().synchronize()
}
}
In my GameOver scene, it I have all the text labels set up like so:
lblHighScore.text = String(format: "High Score: %d", GameState.sharedInstance.highScore)
And in my GameScene, I have it so that it should synchronize when the game ends:
func endGame() {
gameOver = true
GameState.sharedInstance.saveState() //right here
print("saved score")
let reveal = SKTransition.fadeWithDuration(0.5)
let gameScene = GameOver(size: self.scene!.size)
view!.presentScene(gameScene, transition: reveal)
print("new scene")
}
Is something missing? Will post more code if necessary.

Answer 1

There is an issue in your coding you may have overlooked:
You are saving as "highScoreLabel"
let defaults = NSUserDefaults.standardUserDefaults()
defaults.setInteger(highScore, forKey: "highScoreLabel")
defaults.setInteger(stars, forKey: "stars")
defaults.synchronize()
But trying to read as "highScore"
highScore = defaults.integerForKey("highScore")
You should use the same key when reading from and writing to NSUserDefaults
For Future Reference...
Personally I set static let variables when dealing with keys. So you never come to this hiccup in the future.
struct Defaults {
static let HighScore = "highScore"
static let Stars = "stars"
}
and then use
highScore = defaults.integerForKey(Defaults.HighScore)
The issue was that none of the variables were being changed, code replaced with:
class GameState {
var highScore: Int
var stars: Int
class var sharedInstance :GameState {
struct Singleton {
static let instance = GameState()
}
return Singleton.instance
}
init() {
// Load game state
highScore = NSUserDefaults.standardUserDefaults().integerForKey(Defaults.HighScore) ?? 0
stars = NSUserDefaults.standardUserDefaults().integerForKey(Defaults.Stars) ?? 0
}
func saveState(score: Int) {
// Update highScore if the current score is greater
highScore = max(score, highScore)
// Store in user defaults
NSUserDefaults.standardUserDefaults().setInteger(highScore, forKey: Defaults.HighScore)
NSUserDefaults.standardUserDefaults().setInteger(stars, forKey: Defaults.Stars)
NSUserDefaults.standardUserDefaults().synchronize()
}
}