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feat: add provenance-aware npc communication

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This commit is contained in:
Rijad Zuzo
2026-07-11 19:58:47 +02:00
parent 81409650df
commit 9a479ba182
18 changed files with 938 additions and 70 deletions
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simulation/knowledge/EventKnowledgeSystem.gd
+45 -4
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@@ -13,7 +13,8 @@ func observe_event(event: EconomicEventRecord, npcs: Array[SimNPC]) -> Array[Kno
var actor := _find_npc(int(event.data["actor_id"]), npcs)
if actor == null:
return learned
var actor_record := _remember(actor.id, int(event.data["event_id"]))
var event_id := int(event.data["event_id"])
var actor_record := _remember(actor.id, event_id, SimulationIds.KNOWLEDGE_ACQUISITION_PERFORMED)
if actor_record != null:
learned.append(actor_record)
var witness_radius_squared := WITNESS_RADIUS * WITNESS_RADIUS
@@ -23,17 +24,50 @@ func observe_event(event: EconomicEventRecord, npcs: Array[SimNPC]) -> Array[Kno
continue
if npc.position.distance_squared_to(event_position) > witness_radius_squared:
continue
var witness_record := _remember(npc.id, int(event.data["event_id"]))
var witness_record := _remember(
npc.id, event_id, SimulationIds.KNOWLEDGE_ACQUISITION_WITNESSED
)
if witness_record != null:
learned.append(witness_record)
learned.sort_custom(_sort_records)
return learned
func communicate_event(
event: EconomicEventRecord, speaker_id: int, listener_id: int
) -> KnownEventStateRecord:
if (
event == null
or speaker_id == listener_id
or listener_id == int(event.data["actor_id"])
or not _is_witnessable(event)
):
return null
var event_id := int(event.data["event_id"])
var speaker_record := get_record(speaker_id, event_id)
if speaker_record == null:
return null
if (
speaker_record.get_acquisition_method()
not in [
SimulationIds.KNOWLEDGE_ACQUISITION_PERFORMED,
SimulationIds.KNOWLEDGE_ACQUISITION_WITNESSED,
]
):
return null
return _remember(
listener_id, event_id, SimulationIds.KNOWLEDGE_ACQUISITION_COMMUNICATED, speaker_id
)
func knows_event(knower_id: int, event_id: int) -> bool:
return known_events.has(_key(knower_id, event_id))
func get_record(knower_id: int, event_id: int) -> KnownEventStateRecord:
return known_events.get(_key(knower_id, event_id)) as KnownEventStateRecord
func get_knowers(event_id: int) -> Array[int]:
var knower_ids: Array[int] = []
for record in known_events.values():
@@ -71,11 +105,18 @@ func restore(records: Array[KnownEventStateRecord]) -> void:
known_events[_key(record.get_knower_id(), record.get_event_id())] = record
func _remember(knower_id: int, event_id: int) -> KnownEventStateRecord:
func _remember(
knower_id: int,
event_id: int,
acquisition_method: StringName,
source_npc_id: int = KnownEventStateRecord.NO_SOURCE_NPC_ID
) -> KnownEventStateRecord:
var key := _key(knower_id, event_id)
if known_events.has(key):
return null
var record := KnownEventStateRecord.create(knower_id, event_id)
var record := KnownEventStateRecord.create(
knower_id, event_id, acquisition_method, source_npc_id
)
known_events[key] = record
return record