Done refactoring

scripts/menu/BuyMenuButton.gd

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+extends NinePatchRect
+
+@export var data : Dictionary = {"id" : ""} ## Contains all buy options. Must have "id" key.
+@export var price : float
+@export var clickable : BaseButton
+@onready var ship = get_tree().current_scene.get_node("MainShip")
+
+func _ready():
+	clickable.button_up.connect(_button_up)
+
+func _button_up():
+	if ship.money >= price:
+		ship.money -= price
+		bought_action()
+
+func bought_action():
+	match data["id"]:
+		"hp":
+			if ship.hull.hp >= ship.hull.max_hp:
+				ship.hull.hp = ship.hull.max_hp
+				ship.money += price
+				return
+			ship.hull.hp += 1
+			while(ship.hull.hp < ship.hull.max_hp and ship.money >= price):
+				ship.hull.hp += 1
+				ship.money -= price
+			if ship.hull.hp > ship.hull.max_hp: ship.hull.hp = ship.hull.max_hp
+		"rockets":
+			if ship.hull.ammunition["Rockets"] == ship.hull.max_ammunition["Rockets"]:
+				ship.money += price
+				return
+			var rocket_price : float = price / data["amount"]
+			if ship.hull.ammunition["Rockets"] + data["amount"] > ship.hull.max_ammunition["Rockets"]: 
+				var rockets_left = ship.hull.max_ammunition["Rockets"] - ship.hull.ammunition["Rockets"]
+				for i in range(rockets_left + 1):
+					ship.money += rocket_price
+				ship.hull.ammunition["Rockets"] = ship.hull.max_ammunition["Rockets"]
+			else:
+				ship.hull.ammunition["Rockets"] += data["amount"]
+		"fuel":
+			if ship.hull.fuel == ship.hull.max_fuel:
+				ship.money += price
+				return
+			if ship.hull.fuel + data["amount"] > ship.hull.max_fuel:
+				ship.hull.fuel = ship.hull.max_fuel
+			else:
+				ship.hull.fuel += data["amount"]
+		"weapon":
+			var primary_slot = ship.get_node("PrimaryWeapon")
+			var secondary_slot = ship.get_node("SecondaryWeapon")
+			var bought_weapon = get_tree().current_scene.bought_weapon
+			var weapon_dict = get_tree().current_scene.weapon_dict
+			var slot = primary_slot if data["slot"] == "primary" else secondary_slot
+			if !bought_weapon[data["weapon"]]:
+				bought_weapon[data["weapon"]] = true
+			else:
+				ship.money += price
+			if slot.get_child_count() == 0:
+				var weapon_inst = load(weapon_dict[data["weapon"]]).instantiate()
+				slot.add_child(weapon_inst)
+				slot.position = data["position"]
+			else:
+				for node in slot.get_children():
+					node.queue_free()
+				var weapon_inst = load(weapon_dict[data["weapon"]]).instantiate()
+				slot.add_child(weapon_inst)
+				slot.position = data["position"]

scripts/menu/MainMenu.gd

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+extends Node2D
+
+var map_width = 1280
+var map_height = 720
+@onready var b1 = $Control/MenuButton1
+@onready var b2 = $Control/MenuButton2
+@onready var b3 = $Control/MenuButton3
+@onready var b4 = $Control/MenuButton4
+@onready var b5 = $Control/MenuButton5
+
+func _ready():
+	change_menu(0)
+
+func change_menu(id):
+	match id:
+		0:
+			b1.id = "NewGame"
+			b2.id = "Profiles"
+			b3.id = "Settings"
+			b4.id = "Credits"
+			b5.id = "ExitGame"
+		1:
+			b1.id = "CreateProfile"
+			b2.id = "LoadProfile"
+			b3.id = "DeleteProfile"
+			b4.id = "Back"
+			b5.id = "Null"
+		2:
+			b1.id = ""
+			b2.id = ""
+			b3.id = ""
+			b4.id = ""
+			b5.id = ""
+	b1.change_name()
+	b2.change_name()
+	b3.change_name()
+	b4.change_name()
+	b5.change_name()

scripts/menu/MainMenuButton.gd

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+extends Button
+
+@export var id = "Null"
+
+@onready var сontroller = $"../.."
+
+func _ready():
+	button_up.connect(_on_button_up)
+	change_name()
+
+func _on_button_up():
+	match id:
+		"NewGame":
+			get_tree().change_scene_to_file("res://scenes/Space.tscn")
+		"CreateProfile":
+			Game.profile_create("1")
+		"LoadProfile":
+			Game.profile_load("1")
+		"ExitGame":
+			get_tree().quit()
+
+func change_name():
+	visible = true
+	match id:
+		"NewGame":
+			text = "New Game"
+		"CreateProfile":
+			text = "Create Profile"
+		"LoadProfile":
+			text = "Load Profile"
+		"DeleteProfile":
+			text = "Delete Profile"
+		"ExitGame":
+			text = "Exit Game"
+		"Settings":
+			text = "Settings (WIP)"
+		"AudioSettings":
+			text = "Audio (WIP)"
+		"VideoSettings":
+			text = "Video (WIP)"
+		"Profiles":
+			text = "Profiles (WIP)"
+		"Back":
+			text = "Back"
+		"Null":
+			text = Game.gameversion
+			visible = false

scripts/menu/MenuButton.gd

@@ -0,0 +1,16 @@
+extends NinePatchRect
+
+class_name MenuDefaultButton
+
+@export var clickable : BaseButton
+
+@onready var ship = get_tree().current_scene.get_node("MainShip")
+
+func _ready():
+	clickable.button_up.connect(_button_up)
+
+func _button_up():
+		action()
+
+func action():
+	pass

scripts/menu/OptionsColors.gd

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+extends MenuDefaultButton
+
+func action():
+	get_tree().current_scene.recolor()

scripts/menu/ResetMainShip.gd

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+extends MenuDefaultButton
+
+func action():
+	ship.destroy()