save system

Stages/World.gd

@@ -1,6 +1,14 @@
 extends Node2D
 
 export var stage_name = "test stage"
+export var high_score = 0
+export var already_beaten = false
+
+func _ready():
+	load_level()
+	$Killzone.connect("level_just_won", self, "save_level")
+	GameStats.multiplier = 1
+	print(high_score)
 
 func _physics_process(_delta):
 	fast_forward()
@@ -10,3 +18,46 @@ func fast_forward():
 		Engine.time_scale = 3
 	if (Input.is_action_just_released("fast_forward")):
 		Engine.time_scale = 1
+
+func load_level():
+	var filename = give_filename()
+	var file = File.new()
+	if file.file_exists(filename):
+		var err = file.open(filename, File.READ)
+		if err == OK:
+			var data = file.get_var()
+			file.close()
+			load_data(data)
+
+func load_data(data):
+	already_beaten = data.already_beaten
+	high_score = data.high_score
+	
+	
+func save_level():
+	print("saving game")
+	if !already_beaten:
+		GameStats.unlock_points += 10
+		already_beaten = true
+	else: GameStats.unlock_points += 1
+	
+	
+	if GameStats.score > high_score:
+		print("New High score!")
+		high_score = GameStats.score
+	
+	var data = {
+		"high_score" : high_score,
+		"already_beaten" : already_beaten
+	}
+	var file = File.new()
+	var err = file.open(give_filename(), File.WRITE)
+	if err == OK:
+		file.store_var(data)
+		file.close()
+	else: print("something went wrong while saving your high scores! please check file permissions!")
+	Saves.save_game()
+
+func give_filename():
+	var save_path = "user://" + String(stage_name) + ".dat"
+	return save_path