Add classic HUD, auto reload, furniture pathfinding and death flatline

tools/test_gameplay_improvements.gd

@@ -0,0 +1,117 @@
+extends SceneTree
+const Zombie = preload("res://scripts/zombie.gd")
+var world: Node3D
+var player: Node3D
+
+func _initialize() -> void:
+	call_deferred("run_test")
+
+func _freeze_others(actor: Node = null) -> void:
+	for zombie in get_nodes_in_group("live_zombies"):
+		if zombie != actor:
+			zombie.set_physics_process(false)
+
+func run_test() -> void:
+	world = load("res://scenes/main.tscn").instantiate()
+	root.add_child(world)
+	player = world.player
+	player.set_physics_process(false)
+	player.touch_mode = true
+	_freeze_others()
+	player.hp = 20
+	player.ammo = 3
+	world.hud.update_status(player, 4, 1200)
+	assert(world.hud.health_value.text == "20")
+	assert(world.hud.ammo_value.text == "03 / 30")
+	assert(world.hud.health_value.get_theme_color("font_color") == world.hud.DANGER)
+	assert(not world.hud.help.visible)
+	print("PASS: HUD numeri, vita bassa, caricatore e modalita' touch")
+	player.hp = 100
+	player.ammo = 1
+	player.shoot()
+	assert(player.ammo == 0 and player.reloading)
+	var release_count := 0
+	for speaker in player.get_children():
+		if speaker is AudioStreamPlayer and speaker.stream.resource_path.ends_with("cliprelease1.wav"):
+			release_count += 1
+	player.start_reload() # must not add another reload
+	var repeated_count := 0
+	for speaker in player.get_children():
+		if speaker is AudioStreamPlayer and speaker.stream.resource_path.ends_with("cliprelease1.wav"):
+			repeated_count += 1
+	assert(repeated_count == release_count)
+	await create_timer(1.7).timeout
+	assert(player.ammo == 30 and not player.reloading)
+	print("PASS: ultimo colpo avvia auto-reload e completa a 30")
+	# Shared grid route: actual physics movement, not just returned waypoints.
+	Engine.time_scale = 4
+	var cases := [
+		[Vector3(-5, 0.1, -6.5), Vector3(-5, 0.1, 0)],
+		[Vector3(5, 0.1, 1.5), Vector3(5, 0.1, 7.5)],
+		[Vector3(-6, 0.1, 4), Vector3(-2, 0.1, 4)],
+		[Vector3(6.8, 0.1, -6), Vector3(6.8, 0.1, -2)],
+	]
+	player.hp = 10000
+	for positions in cases:
+		player.position = positions[1]
+		var actor := CharacterBody3D.new()
+		actor.set_script(Zombie)
+		actor.player = player
+		actor.navigation = world.navigation
+		actor.position = positions[0]
+		world.add_child(actor)
+		actor.entering = false
+		actor.speed = 3
+		var reached := false
+		for i in 420:
+			_freeze_others(actor)
+			await physics_frame
+			var delta: Vector3 = actor.position - player.position
+			delta.y = 0
+			if delta.length() < 1.8:
+				reached = true
+				break
+		assert(reached, "Zombie bloccato: %s -> %s, finale %s" % [positions[0], positions[1], actor.position])
+		actor.queue_free()
+		await process_frame
+	print("PASS: inseguimento fisico attorno a entrambe le scrivanie, sedie e bidone")
+	Engine.time_scale = 1
+	# A melee ray across the left desk must not hit through it.
+	player.position = Vector3(-5, 0.1, -3.2)
+	var actor := CharacterBody3D.new()
+	actor.set_script(Zombie)
+	actor.player = player
+	actor.position = Vector3(-5, 0.1, -4.8)
+	world.add_child(actor)
+	actor.entering = false
+	actor.set_physics_process(false)
+	await physics_frame
+	await physics_frame
+	assert(not actor._attack_clear())
+	var hp_before: float = player.hp
+	actor._attack()
+	assert(player.hp == hp_before)
+	print("PASS: nessun attacco attraverso la scrivania")
+	_freeze_others()
+	player.hp = 100
+	player.ammo = 1
+	player.shoot()
+	assert(player.reloading)
+	player.take_damage(1000)
+	var flatlines := 0
+	for speaker in player.get_children():
+		if speaker is AudioStreamPlayer and speaker.stream.resource_path.ends_with("flatline.wav"):
+			flatlines += 1
+	assert(flatlines == 1)
+	player.take_damage(10)
+	flatlines = 0
+	for speaker in player.get_children():
+		if speaker is AudioStreamPlayer and speaker.stream.resource_path.ends_with("flatline.wav"):
+			flatlines += 1
+	assert(flatlines == 1)
+	await create_timer(1.8).timeout
+	assert(player.hp == 0 and player.ammo == 0 and not player.reloading)
+	print("PASS: flatline una volta e auto-reload annullato dalla morte")
+	world.queue_free()
+	await process_frame
+	quit()

tools/test_gameplay_improvements.gd.uid

@@ -0,0 +1 @@
+uid://dttbumb5iq0ti