developpement d'écran de chargement et d'écran de sélection de niveau

* modification de certains assets
* optimisation de chunks
* ajout d'un SceneManager
* ajout d'un premier dialogue avec Demeter
* changement des jour en charge
* mise en place d'un système de run
* etc...

common/game_data/scripts/game_data.gd

@@ -10,10 +10,10 @@ func _init():
 
 @export var settings : SettingsData = SettingsData.new()
 
-@export var current_planet_data : PlanetData = PlanetData.new() :
-	set(v):
-		current_planet_data = v
-		current_planet_data_updated.emit(v)
+@export var current_run : RunData = RunData.new()
+
+@export var current_planet_data : PlanetData : get = get_current_planet_data
+		
 @export var player_data : PlayerData = PlayerData.new()
 
 @export var unlocked_plant_types : Array[PlantType] = []
@@ -22,12 +22,19 @@ func _init():
 
 @export var truck_data : TruckData = TruckData.new()
 
+func _ready():
+	current_run.run_point_changed.connect(
+		func(): current_planet_data_updated.emit(get_current_planet_data)
+	)
+
 func set_default_unlocked():
+	unlocked_plant_types = all_plant_types()
 	unlocked_plant_mutations = all_plant_mutations()
 	unlocked_machines = all_machines()
 
-func reset_planet():
-	current_planet_data = PlanetData.new()
+func reset_run():
+	current_run = RunData.new()
+	current_planet_data_updated.emit()
 
 func reset_player():
 	player_data = PlayerData.new()
@@ -36,7 +43,7 @@ func reset_truck():
 	truck_data = TruckData.new()
 
 func reset_all():
-	reset_planet()
+	reset_run()
 	reset_player()
 	reset_truck()
 
@@ -55,6 +62,9 @@ func get_locked_plant_types() -> Array[PlantType]:
 
 	return locked_plant_type
 
+func get_current_planet_data():
+	return current_run.get_current_planet_data()
+
 func is_plant_type_unlocked(new_plant_type : PlantType):
 	return unlocked_plant_types.find_custom(
 			func (upt : PlantType): return new_plant_type.name == upt.name