feat: add witnessed knowledge and wind ambience

simulation/state/EconomicEventRecord.gd

@@ -1,7 +1,8 @@
 class_name EconomicEventRecord
 extends RefCounted
 
-const SCHEMA_VERSION := 1
+const SCHEMA_VERSION := 2
+const LEGACY_SCHEMA_VERSION := 1
 
 var data: Dictionary
 
@@ -18,7 +19,8 @@ static func create(
 	source_id: StringName,
 	destination_id: StringName,
 	item_id: StringName,
-	amount: float
+	amount: float,
+	world_position: Vector3 = Vector3.ZERO
 ) -> EconomicEventRecord:
 	return EconomicEventRecord.new(
 		{
@@ -30,7 +32,8 @@ static func create(
 			"source_id": String(source_id),
 			"destination_id": String(destination_id),
 			"item_id": String(item_id),
-			"amount": amount
+			"amount": amount,
+			"world_position": [world_position.x, world_position.y, world_position.z]
 		}
 	)
 
@@ -41,7 +44,8 @@ static func create_narrative(
 	tick: int,
 	actor_id: int,
 	source_id: StringName,
-	action_display: String = ""
+	action_display: String = "",
+	world_position: Vector3 = Vector3.ZERO
 ) -> EconomicEventRecord:
 	return EconomicEventRecord.new(
 		{
@@ -54,13 +58,15 @@ static func create_narrative(
 			"destination_id": "",
 			"item_id": "",
 			"amount": 0.0,
-			"action_name": action_display
+			"action_name": action_display,
+			"world_position": [world_position.x, world_position.y, world_position.z]
 		}
 	)
 
 
 static func from_dictionary(record_data: Dictionary) -> EconomicEventRecord:
-	if int(record_data.get("schema_version", -1)) != SCHEMA_VERSION:
+	var version := int(record_data.get("schema_version", -1))
+	if version not in [LEGACY_SCHEMA_VERSION, SCHEMA_VERSION]:
 		return null
 	if not record_data.has_all(
 		[
@@ -75,6 +81,8 @@ static func from_dictionary(record_data: Dictionary) -> EconomicEventRecord:
 		]
 	):
 		return null
+	if version == SCHEMA_VERSION and not record_data.has("world_position"):
+		return null
 	var normalized := record_data.duplicate(true)
 	normalized["schema_version"] = SCHEMA_VERSION
 	normalized["event_id"] = int(record_data["event_id"])
@@ -85,11 +93,13 @@ static func from_dictionary(record_data: Dictionary) -> EconomicEventRecord:
 	normalized["destination_id"] = String(record_data["destination_id"])
 	normalized["item_id"] = String(record_data["item_id"])
 	normalized["amount"] = float(record_data["amount"])
-	if (
-		normalized["event_id"] < 0
-		or normalized["tick"] < 0
-		or normalized["event_type"].is_empty()
-	):
+	var saved_position = record_data.get("world_position", [0.0, 0.0, 0.0])
+	if not saved_position is Array or saved_position.size() != 3:
+		return null
+	normalized["world_position"] = [
+		float(saved_position[0]), float(saved_position[1]), float(saved_position[2])
+	]
+	if normalized["event_id"] < 0 or normalized["tick"] < 0 or normalized["event_type"].is_empty():
 		return null
 	return EconomicEventRecord.new(normalized)
 
@@ -98,6 +108,11 @@ func to_dictionary() -> Dictionary:
 	return data.duplicate(true)
 
 
+func get_world_position() -> Vector3:
+	var saved_position: Array = data["world_position"]
+	return Vector3(float(saved_position[0]), float(saved_position[1]), float(saved_position[2]))
+
+
 func description(npc_names: Dictionary = {}) -> String:
 	var actor_name: String = npc_names.get(int(data["actor_id"]), "Someone")
 	var item: String = str(data["item_id"])