TowerDefense/UI/gui_button.gd

@tool
extends Button
class_name GuiButton


var towerPrice : int
var towerType : Tower.TYPE = Tower.TYPE.NONE
@export var texture : Texture2D :
	set(value):
		texture = value
		$TextureRect.texture = texture


func _ready() -> void:
	if towerType == Tower.TYPE.NONE:
		return

	toggle_mode = true
	add_theme_stylebox_override("pressed", GameStyleBoxFlat.createWithColor(GameColor.COLOR.SELECTED))
	EventBus.tower_changed.connect(towerChanged)
	EventBus.tower_selected.connect(func(_type): set_pressed_no_signal(_type == towerType))


func buttonToggled(state : bool) -> void:
	if towerType != Tower.TYPE.NONE:
		EventBus.tower_selected.emit(towerType if state else Tower.TYPE.NONE)


func towerChanged(tower : Tower) -> void :
	if tower.type == towerType && tower.builded:
		$EnergyBar.value = tower.energy
		$EnergyBar.max_value = tower.max_energy
		$EnergyBar.visible = tower.builded