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 LIQUID_FACTOR := 2.8

const TANK_FILL_TIME := 1.0

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


func _ready() -> void:
	Game.manager.grunk_collected.connect(_enable_tank)


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
	Game.manager.deposit_tank()

	set_liquid_level(clampf(Game.manager.grunk_vault / MAX_GRUNK, 0.0, 1.0))


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