util.gd

class_name Util
extends Object

enum CollisionLayers {
	PLAYER = 1 << 0,
	STATIC = 1 << 1, # static geometry
	DYNAMIC = 1 << 2, # non-static objects
	PORTAL_STATIC = 1 << 11 # portal solid edges
	ENTITY_IN_PORTAL = 1 << 12 # objects within a portal
}

enum VisualLayers {
	MAIN_CAMERA = 1 << 0, # visible from main camera
	PORTAL_CAMERA = 1 << 1, # visible through portal cameras
	PORTAL_CULL = 1 << 2, # not visible through portal cameras
	PORTAL_CULL_0 = 1 << 10,
	PORTAL_CULL_1 = 1 << 11,
	PORTAL_CULL_2 = 1 << 12,
	PORTAL_CULL_3 = 1 << 13
}

static func bit_mask_set(bit_mask: int, bits_to_set: int) -> int:
	return bit_mask | bits_to_set


static func bit_mask_unset(bit_mask: int, bits_to_unset: int) -> int:
	return bit_mask & ~bits_to_unset


static func children_to_list(node: Node) -> Array:
	var arr := node.get_children()
	var idx := 0
	while idx < arr.size():
		arr += arr[idx].get_children()
		idx += 1
	return arr