feat: give the player embodied hunger, energy, and starvation death

simulation/knowledge/EventKnowledgeSystem.gd

@@ -204,6 +204,65 @@ func restore(records: Array[KnownEventStateRecord]) -> void:
 		known_events[_key(record.get_knower_id(), record.get_event_id())] = record
 
 
+static func can_communicate_at_shared_activity(
+	speaker: SimNPC, listener: SimNPC, storage_states: Dictionary, radius: float
+) -> bool:
+	if speaker == null or listener == null or speaker.id == listener.id:
+		return false
+	if speaker.is_dead or listener.is_dead:
+		return false
+	if (
+		speaker.task_state != SimNPC.TASK_STATE_WORKING
+		or listener.task_state != SimNPC.TASK_STATE_WORKING
+	):
+		return false
+	if speaker.target_id.is_empty() or speaker.target_id != listener.target_id:
+		return false
+	if storage_states.has(speaker.target_id):
+		return false
+	var speaker_action := SimulationDefinitions.get_action(speaker.current_task)
+	var listener_action := SimulationDefinitions.get_action(listener.current_task)
+	if (
+		speaker_action == null
+		or listener_action == null
+		or speaker_action.target_type != SimulationIds.TARGET_ACTIVITY
+		or listener_action.target_type != SimulationIds.TARGET_ACTIVITY
+	):
+		return false
+	return speaker.position.distance_squared_to(listener.position) <= radius * radius
+
+
+func collect_lasting_records(
+	relationships: Array[RelationshipStateRecord], open_opportunity: OpportunityStateRecord
+) -> Array[KnownEventStateRecord]:
+	var lasting: Array[KnownEventStateRecord] = []
+	var seen := {}
+	for relationship in relationships:
+		var event_id := relationship.get_last_trust_cause_event_id()
+		if event_id == RelationshipStateRecord.NO_CAUSE_EVENT:
+			continue
+		var record := get_record(relationship.get_observer_id(), event_id)
+		if record == null:
+			continue
+		var key := "%d:%d" % [record.get_knower_id(), record.get_event_id()]
+		if seen.has(key):
+			continue
+		seen[key] = true
+		lasting.append(record)
+	if open_opportunity != null:
+		var opportunity_record := get_record(
+			open_opportunity.get_interested_npc_id(), open_opportunity.get_trigger_event_id()
+		)
+		if opportunity_record != null:
+			var opportunity_key := (
+				"%d:%d" % [opportunity_record.get_knower_id(), opportunity_record.get_event_id()]
+			)
+			if not seen.has(opportunity_key):
+				seen[opportunity_key] = true
+				lasting.append(opportunity_record)
+	return lasting
+
+
 func _remember(
 	knower_id: int,
 	event_id: int,