grunk/levels/ghost_ship/player_ship/player_ship.gd

extends Node3D
# The player's ship, a safe zone where they can deposit grunk, save their game, and relax.

# TODO figure out whatever this is lol
const MAX_GRUNK := 6400000.0
const MIN_LIQUID_PCT := 0.001
const LIQUID_FACTOR := 2.8

const TANK_FILL_TIME := 1.0

@onready var tank_interactor: Interactive = %TankInteractor
@onready var grunk_liquid: MeshInstance3D = %GrunkLiquid
@onready var grunk_pump_sfx: AudioStreamPlayer3D = %GrunkPumpSFX


func _ready() -> void:
	World.instance.manager.grunk_collected.connect(_enable_tank)
	_deferred_init.call_deferred()


func _deferred_init() -> void:
	set_liquid_level(vault_fill_pct())


func _enable_tank(_delta: float) -> void:
	tank_interactor.enabled = true


## Called when the player interacts with the grunk tank.
func deposit_grunk() -> void:
	# Tank is disabled until the player collects more grunk.
	tank_interactor.enabled = false
	World.instance.manager.deposit_tank()

	set_liquid_level(vault_fill_pct())

	grunk_pump_sfx.play()


func vault_fill_pct() -> float:
	return clampf(World.instance.manager.grunk_vault / MAX_GRUNK, 0.0, 1.0)


func set_liquid_level(proportion: float) -> void:
	if proportion > MIN_LIQUID_PCT:
		(
			create_tween()
			. tween_property(grunk_liquid, "position:y", proportion * LIQUID_FACTOR, TANK_FILL_TIME)
			. set_trans(Tween.TRANS_EXPO)
		)