xiandie/scene/entity/interactable.gd

@tool
extends Sprite2D

signal interacted(success: bool)

@export var unmatched_sign_texture: Texture2D
@export var matched_sign_texture: Texture2D
@export var texture_before: Texture2D
@export var texture_after: Texture2D
@export var one_shot := true
@export var interacted_times := 0
var prop_key := ""

@onready var sfx_invalid = $SfxInvalid as Sfx
@onready var sfx_success = $SfxSuccess as Sfx
@onready var sign_mark = %Sign as Sign
@onready var area2d = %Area2D as Area2D

static var item_config_res = preload("res://asset/dialogue/item_description.dialogue")
var items: PackedStringArray


func _reload_items() -> void:
	var id = item_config_res.titles["PropItems"]
	var current_line = item_config_res.lines[id]
	while current_line:
		if current_line.has("translation_key"):
			items.append(current_line.translation_key)
		if not current_line.has("next_id") or current_line.next_id == "end":
			break
		current_line = item_config_res.lines[current_line.next_id]


func _ready() -> void:
	if Engine.is_editor_hint():
		_reload_items()
		notify_property_list_changed()
		return
	if interacted_times and texture_after:
		texture = texture_after
	else:
		texture = texture_before
	area2d.body_entered.connect(_reset)
	area2d.body_exited.connect(_on_cancel)
	sign_mark.interacted.connect(_on_interacted)
	sign_mark.cancel.connect(_on_cancel)
	sign_mark.base_scale = sign_mark.scale


func _reset(_body = null) -> void:
	var key = SceneManager.get_current_prop(false)
	if key:
		_set_sign_texture_to_prop(key)
		var prop_hud = SceneManager.get_prop_hud() as PropHud
		if not prop_hud.current_item_changed.is_connected(_set_sign_texture_to_prop):
			prop_hud.current_item_changed.connect(_set_sign_texture_to_prop)


# 根据当前 prop，调整 sign 所显示的 texture
func _set_sign_texture_to_prop(key):
	if prop_key == key:
		sign_mark.sprite2d.texture = matched_sign_texture
	else:
		sign_mark.sprite2d.texture = unmatched_sign_texture
	# if prop_hud.cached_inventory_textures.has(key):
	# var prop_texture = prop_hud.cached_inventory_textures[key]
	# sign_mark.draw_shadow = true
	# else:
	# sign_mark.sprite2d.texture = deaulte_sign_texture
	# sign_mark.draw_shadow = false
	# sign_mark.queue_redraw()


func _on_cancel(_body = null) -> void:
	# disconnect signal
	var prop_hud = SceneManager.get_prop_hud() as PropHud
	if prop_hud and prop_hud.current_item_changed.is_connected(_set_sign_texture_to_prop):
		prop_hud.current_item_changed.disconnect(_set_sign_texture_to_prop)


func _on_interacted() -> void:
	if one_shot and interacted_times:
		return
	var key = SceneManager.get_current_prop(false)
	if key != prop_key:
		sfx_invalid.play()
		sign_mark.invalid_shake()
		# SceneManager.on_toggle_invalid_prop()
		return
	sfx_success.play()
	if one_shot:
		SceneManager.disable_prop_item(prop_key)
	interacted_times += 1
	if texture_after:
		texture = texture_after
	interacted.emit()
	EventManager.prop_interacted(name, prop_key, interacted_times)
	# print("%s interacted with %s. total times: %s" % [name, prop_key, interacted_times])


func _get_property_list() -> Array[Dictionary]:
	return [
		{
			"name": "prop_key",
			"type": TYPE_STRING,
			"hint": PROPERTY_HINT_ENUM_SUGGESTION,
			"hint_string": ",".join(items),
		}
	]


func _get(property: StringName) -> Variant:
	if property == "prop_key":
		return prop_key
	return null


func _set(property: StringName, value: Variant) -> bool:
	if property == "prop_key":
		prop_key = value
		return true
	return false