map_region.gd

# This code and the implemenation for clickable maps comes from here:
# URL: https://github.com/t-karcher/ClickableMap
extends Area2D
class_name MapRegion

signal region_selected

var shape : PackedVector2Array: set = set_shape

@onready var _poly := $Polygon2D
@onready var _coll := $CollisionPolygon2D

func set_shape(new_shape: PackedVector2Array):
	_poly.set_polygon(new_shape)
	_poly.color = Color(randf(), randf(), randf(), 0.6)
	_coll.set_polygon(new_shape)
	shape = new_shape

func _on_MapRegion_mouse_entered():
	_poly.color.a = 1

func _on_MapRegion_mouse_exited():
	_poly.color.a = 0.6

func _on_MapRegion_input_event(_viewport, event, _shape_idx):
	if event is InputEventMouseButton and event.pressed:
		region_selected.emit()