divers changements pour la sortie du second proto

* ajout du panneau solaire #54
* ajout d'un tutoriel #53
* equilibrage du jeu #73
* ajout d'un son pour l'annonce

stages/terrain/planet/scripts/planet.gd

@@ -46,6 +46,7 @@ var player : Player
 
 func _ready():
 	planet_data = GameInfo.game_data.current_planet_data if GameInfo.game_data.current_planet_data else PlanetData.new()
+	
 	terrain_size = planet_data.base_size
 	entityContainer.position = terrain_size/2
 
@@ -212,7 +213,7 @@ func generate_loot(number : int = loot_number.pick_random()):
 		var loot = UndergroundLoot.new(self)
 		for j in range(loot_item_number.pick_random()):
 			loot.loot.append(
-				Seed.new(GameInfo.game_data.unlocked_plant_types_path.pick_random())
+				Seed.new(GameInfo.game_data.unlocked_plant_types.pick_random())
 			)
 		
 		add_entity(loot)
@@ -268,10 +269,9 @@ func ask_quota_reward():
 func generate_quota_reward() -> Item:
 	var random_level = randi_range(
 		max(planet_data.quota_number - 1, 1), 
-		min(planet_data.quota_number + 1, Machine.MAX_MACHINE_LEVEL), 
+		min(planet_data.quota_number, Machine.MAX_MACHINE_LEVEL), 
 	)
 	var random_machine_type = GameInfo.game_data.unlocked_machines.pick_random()
-
 	return Blueprint.new(random_machine_type, random_level)