Refactor scene structure and resource paths; add death and game over screens

scripts/ui/death_screen.gd

@@ -0,0 +1,62 @@
+class_name DeathScreen
+extends Node
+
+@export var death_screen_root: Control
+@export var current_level: LevelResource
+@export var current_level_label: Label
+@export var lives_left_label: Label
+@export var timeout_time: float = 2.0
+@export var nodes_to_disable: Array[Node] = []
+
+@onready var gm: GM = $"/root/GameManager"
+
+var timer: Timer
+
+
+func _ready() -> void:
+	set_lables()
+
+
+func set_lables() -> void:
+	if not gm:
+		return
+
+	current_level_label.text = current_level.level_name
+	lives_left_label.text = " x " + str(gm.get_lives())
+
+
+func setup_timer() -> void:
+	timer = Timer.new()
+	timer.wait_time = timeout_time
+	timer.one_shot = true
+	timer.timeout.connect(on_timeout)
+	add_child(timer)
+	timer.start()
+
+
+func toggle_nodes() -> void:
+	for node in nodes_to_disable:
+		if node.process_mode == PROCESS_MODE_DISABLED:
+			node.process_mode = PROCESS_MODE_INHERIT
+		else:
+			node.process_mode = PROCESS_MODE_DISABLED
+
+
+func on_player_death() -> void:
+	if not gm:
+		return
+
+	toggle_nodes()
+	set_lables()
+	death_screen_root.show()
+	setup_timer()
+
+
+func on_timeout() -> void:
+	if not gm:
+		return
+
+	if gm.get_lives() == 0:
+		return
+		
+	get_tree().reload_current_scene()