feat: add witnessed knowledge and wind ambience

simulation/state/KnownEventStateRecord.gd

@@ -0,0 +1,47 @@
+class_name KnownEventStateRecord
+extends RefCounted
+
+const SCHEMA_VERSION := 1
+
+var data: Dictionary
+
+
+func _init(record_data: Dictionary = {}) -> void:
+	data = record_data.duplicate(true)
+
+
+static func create(knower_id: int, event_id: int) -> KnownEventStateRecord:
+	return (
+		KnownEventStateRecord
+		. new(
+			{
+				"schema_version": SCHEMA_VERSION,
+				"knower_id": knower_id,
+				"event_id": event_id,
+			}
+		)
+	)
+
+
+static func from_dictionary(record_data: Dictionary) -> KnownEventStateRecord:
+	if int(record_data.get("schema_version", -1)) != SCHEMA_VERSION:
+		return null
+	if not record_data.has_all(["knower_id", "event_id"]):
+		return null
+	var knower_id := int(record_data["knower_id"])
+	var event_id := int(record_data["event_id"])
+	if knower_id < 0 or event_id < 0:
+		return null
+	return create(knower_id, event_id)
+
+
+func get_knower_id() -> int:
+	return int(data["knower_id"])
+
+
+func get_event_id() -> int:
+	return int(data["event_id"])
+
+
+func to_dictionary() -> Dictionary:
+	return data.duplicate(true)