extends Control
## Camera frame on the minimap. A separate layer, so moving the camera only redraws this
## outline and not the whole map.

var map: Control

func _init() -> void:
	mouse_filter = Control.MOUSE_FILTER_IGNORE

func _draw() -> void:
	if map == null:
		return
	var footprint: PackedVector2Array = map.camera_footprint
	if footprint.size() == 4:
		var outline := PackedVector2Array()
		for corner: Vector2 in footprint:
			outline.append(map.to_map(corner).clamp(Vector2.ZERO, size))
		draw_colored_polygon(outline, Color(1, 1, 1, .05))
		outline.append(outline[0])
		draw_polyline(outline, Color(1, 1, 1, .75), 1.3, true)
	else:
		var center: Vector2 = map.to_map(Vector2(map.camera_focus.x, map.camera_focus.z))
		var span: float = map.camera_span / ((LuneMap.HALF_EXTENT + 4.0) * 2.0) * size.x
		draw_rect(Rect2(center - Vector2(span * .9, span * .55), Vector2(span * 1.8, span * 1.1)), Color(1, 1, 1, .6), false, 1.2)