extends Node2D
## Scene based space to transform into 3d.
##
## Children of class SpaceEntity will be interpreted.
##

class_name Space

## Scaling of pixel to 3d space coordinates.
@export var unit_scale: float = 0.01


func generate_geometry() -> Node3D:
	var root := Node3D.new()

	for child in get_children():
		if child is SpaceRegion:
			var geometry = child.generate_geometry(self)
			root.add_child(geometry)

	return root


func get_spawn() -> SpaceSpawn.Desc:
	var stack := [self]

	while stack:
		var node = stack.pop_front()
		for child in node.get_children():
			if child is SpaceSpawn:
				return child.get_spawn_desc(self)
			stack.push_back(child)

	return null