TowerDefense/UI/gui_button.gd

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GDScript3
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@tool
extends Button
class_name GuiButton
var towerType : Tower.TYPE :
set(value):
towerType = value
if towerType != Tower.TYPE.NONE:
EventBus.energy_has_changed.connect(changeEnergy)
EventBus.tower_builded.connect(towerChanged)
@export var hasEnergyBar : bool = false :
set(value):
hasEnergyBar = value
$EnergyBar.visible = hasEnergyBar
@export var texture : Texture2D :
set(value):
texture = value
$TextureRect.texture = texture
func buttonToggled(state : bool) -> void:
if towerType != Tower.TYPE.NONE:
EventBus.tower_selected.emit(towerType if state else Tower.TYPE.NONE)
func changeEnergy(tower : Tower) -> void:
if tower.tower_type == towerType:
$EnergyBar.value = tower.energy
func towerChanged(tower : Tower) -> void :
if tower.tower_type == towerType:
$EnergyBar.max_value = tower.max_energy