def read_area(self, data: Dict) -> Area:
name = data["name"]
nodes = read_array(data["nodes"], self.read_node)
nodes_by_name = {node.name: node for node in nodes}
connections = {}
for i, origin_data in enumerate(data["nodes"]):
origin = nodes[i]
connections[origin] = {}
extra_requirement = None
if is_resource_node(
origin) and self.add_self_as_requirement_to_resources:
extra_requirement = RequirementList.with_single_resource(
origin.resource())
for target_name, target_requirements in origin_data[
"connections"].items():
the_set = read_requirement_set(target_requirements,
self.resource_database)
if extra_requirement is not None:
the_set = the_set.union(RequirementSet([extra_requirement
]))
if the_set != RequirementSet.impossible():
connections[origin][nodes_by_name[target_name]] = the_set
return Area(name, data["asset_id"], data["default_node_index"], nodes,
connections)
def _extra_requirement_for_node(game: GameDescription,
node: Node) -> Optional[RequirementSet]:
extra_requirement = None
if is_resource_node(node):
node_resource = node.resource()
if node_resource in game.dangerous_resources:
extra_requirement = RequirementSet(
[RequirementList.with_single_resource(node_resource)])
return extra_requirement
