feat: route resources through typed content

simulation/economy/StorageRoutingPolicy.gd

@@ -0,0 +1,62 @@
+class_name StorageRoutingPolicy
+extends RefCounted
+
+var catalog: ContentCatalog
+
+
+func _init(content_catalog: ContentCatalog = null) -> void:
+	catalog = content_catalog
+
+
+func resolve_definition(
+	item_id: StringName, available_storage_ids: Array[StringName] = []
+) -> StorageDefinition:
+	var candidates := get_candidates(item_id, available_storage_ids)
+	return candidates[0] if not candidates.is_empty() else null
+
+
+func resolve_state(
+	item_id: StringName, requested_amount: float, states: Array[StorageStateRecord]
+) -> StorageStateRecord:
+	if not is_finite(requested_amount) or requested_amount <= 0.0:
+		return null
+	var states_by_id := {}
+	var available_ids: Array[StringName] = []
+	for state in states:
+		if state == null or state.get_available_capacity() < requested_amount:
+			continue
+		states_by_id[state.get_storage_id()] = state
+		available_ids.append(state.get_storage_id())
+	var definition := resolve_definition(item_id, available_ids)
+	return (
+		states_by_id.get(definition.storage_id) as StorageStateRecord
+		if definition != null
+		else null
+	)
+
+
+func get_candidates(
+	item_id: StringName, available_storage_ids: Array[StringName] = []
+) -> Array[StorageDefinition]:
+	var candidates: Array[StorageDefinition] = []
+	if catalog == null or not catalog.is_valid():
+		return candidates
+	var item := catalog.get_item(item_id)
+	if item == null:
+		return candidates
+	var available := {}
+	for storage_id in available_storage_ids:
+		available[storage_id] = true
+	for definition in catalog.get_storages():
+		if not available.is_empty() and not available.has(definition.storage_id):
+			continue
+		if definition.accepts_item(item):
+			candidates.append(definition)
+	candidates.sort_custom(_is_preferred_route)
+	return candidates
+
+
+static func _is_preferred_route(first: StorageDefinition, second: StorageDefinition) -> bool:
+	if first.routing_priority != second.routing_priority:
+		return first.routing_priority > second.routing_priority
+	return String(first.storage_id) < String(second.storage_id)

simulation/economy/StorageRoutingPolicy.gd.uid

@@ -0,0 +1 @@
+uid://cpmen6gvxr64i