refactor(server): address PR #16 review feedback

Hoshe + Tyre review items:
- Use StableId consistently for wire entity_id (H4) across observer,
  observation, interpretation, and interaction systems
- Make NearbyInteractionBuffer.interactions private with take() (H1/H20)
- Add system ordering constraint for compute_nearby_interactions (H5)
- Panic on missing PlayerCharacter in input processing (H2)
- Remove redundant paused field from GameTime (Tyre8)
- Remove #[serde(default)] from nearby_interactions (H3)
- Change NearbyInteraction.distance from f32 to u32 (H8)
- Add sort stability for equal verb priorities (H6)
- Scope constants to pub(crate) (H7)
- Add debug_assert for last_observed_tick ordering (H10)
- Strengthen unregistered entity handling to debug_assert + error (H11)
- Document fractional tick accumulation (Tyre9)
- Extract collect_remembered_entities helper (Tyre2/H17)
- Add half_rate_no_drift_over_10000_frames test (H14)
- Add mid-range and deterministic sort tests (H15)
- Add fixture version assertion (H16)
- Regenerate msgpack fixtures for wire format changes

146 unit + 19 integration tests pass, zero clippy warnings.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-12 20:14:35 +01:00
co-authored by Claude Opus 4.6
parent 458be0f621
commit 9943684f2c
19 changed files with 232 additions and 136 deletions
+27 -27
View File
@@ -110,39 +110,39 @@ pub fn generate_observation_events(
continue;
}
let entity = Entity::from_bits(visible.entity_id);
// Convert wire StableId back to bevy Entity via registry
let stable_id = StableId(visible.entity_id);
let Some(entity) = registry.to_entity(&stable_id) else {
continue;
};
// Check if this is a new entity (not in observer's knowledge graph)
if let Some(stable_id) = registry.to_stable(entity) {
if !observer_kg.knows_entity(&stable_id) {
// Reconstruct tile position from render coords
let tile_pos = TilePosition::from_render_coords(visible.x, visible.y, visible.z);
event_queue.push(ObservationEvent {
tick: time.tick,
trigger: ObservationTrigger::NewEntity {
entity: stable_id,
location: tile_pos,
},
observer: observer_entity,
});
}
if !observer_kg.knows_entity(&stable_id) {
// Reconstruct tile position from render coords
let tile_pos = TilePosition::from_render_coords(visible.x, visible.y, visible.z);
event_queue.push(ObservationEvent {
tick: time.tick,
trigger: ObservationTrigger::NewEntity {
entity: stable_id,
location: tile_pos,
},
observer: observer_entity,
});
}
// Check routine deviation: visible NPC not at expected location
if let Ok((actual_pos, routine)) = npc_query.get(entity) {
if let Some(expected_pos) = routine.expected_location(current_phase) {
if *actual_pos != expected_pos {
if let Some(stable_id) = registry.to_stable(entity) {
event_queue.push(ObservationEvent {
tick: time.tick,
trigger: ObservationTrigger::RoutineDeviation {
npc: stable_id,
expected: expected_pos,
actual: *actual_pos,
},
observer: observer_entity,
});
}
event_queue.push(ObservationEvent {
tick: time.tick,
trigger: ObservationTrigger::RoutineDeviation {
npc: stable_id,
expected: expected_pos,
actual: *actual_pos,
},
observer: observer_entity,
});
}
}
}
@@ -157,8 +157,8 @@ pub fn generate_observation_events(
continue;
};
// Skip if currently visible
if visible_npc_bits.contains(&entity.to_bits()) {
// Skip if currently visible (visible_npc_bits contains wire StableId values)
if visible_npc_bits.contains(&stable_id.0) {
continue;
}
+10 -8
View File
@@ -33,8 +33,8 @@ pub fn emit_observation_events(
return;
};
// Collect visible entity IDs (Vec — linear search is faster at 5-20 entities)
let visible_entity_ids: Vec<u64> = snapshot
// Collect visible stable IDs (wire entity_id is now StableId, not Entity::to_bits())
let visible_stable_ids: Vec<u64> = snapshot
.entities
.iter()
.filter(|e| !matches!(e.kind, EntityKind::Player))
@@ -47,8 +47,11 @@ pub fn emit_observation_events(
continue;
}
// Look up the bevy Entity from the entity_id (which is Entity::to_bits())
let entity = Entity::from_bits(visible.entity_id);
// Convert wire StableId back to bevy Entity via registry
let stable_id = crate::knowledge::types::StableId(visible.entity_id);
let Some(entity) = registry.to_entity(&stable_id) else {
continue;
};
// Get tile position for knowledge tracking
if let Ok(pos) = entity_positions.get(entity) {
@@ -69,10 +72,9 @@ pub fn emit_observation_events(
continue;
}
// Check if this entity is still visible in the current snapshot
if let Some(entity) = registry.to_entity(stable_id) {
let entity_bits = entity.to_bits();
if !visible_entity_ids.contains(&entity_bits) {
// Check if this entity's StableId is still visible in the current snapshot
if !visible_stable_ids.contains(&stable_id.0) {
if let Some(entity) = registry.to_entity(stable_id) {
event_queue.push(KnowledgeEvent {
observer: observer_entity,
tick: time.tick,
+77 -58
View File
@@ -23,7 +23,7 @@ pub fn compute_observer_snapshot(
time: Res<SimulationTime>,
walkability: Res<WalkabilityMap>,
registry: Res<EntityRegistry>,
interaction_buffer: Res<NearbyInteractionBuffer>,
mut interaction_buffer: ResMut<NearbyInteractionBuffer>,
observer_query: Query<(&TilePosition, Option<&Facing>, &KnowledgeGraph), With<PlayerCharacter>>,
all_entities: Query<(
Entity,
@@ -115,9 +115,13 @@ pub fn compute_observer_snapshot(
RelationshipState::Unknown
};
visible_entity_bits.insert(entity.to_bits());
let wire_id = registry
.to_stable(entity)
.map(|sid| sid.0)
.unwrap_or_else(|| entity.to_bits());
visible_entity_bits.insert(wire_id);
entities.push(VisibleEntity {
entity_id: entity.to_bits(),
entity_id: wire_id,
x: rx,
y: ry,
z: rz,
@@ -129,65 +133,20 @@ pub fn compute_observer_snapshot(
}
// Step 6: Add remembered entities from knowledge graph (#366)
// Entities the observer knows about but can't currently see.
for (stable_id, knowledge) in observer_kg.known_entities_iter() {
// Skip if currently visible (already in the entity list)
if let Some(entity) = registry.to_entity(stable_id) {
if visible_entity_bits.contains(&entity.to_bits()) {
continue;
}
}
// Skip if no known position (never directly observed)
let Some(position) = knowledge.last_known_position else {
continue;
};
// Skip if remembered position is on a different z-level than the observer
if position.z != z {
continue;
}
// Skip if the remembered tile is currently visible — if the player
// can see the tile and the entity isn't there, don't show a ghost.
if visible_positions.contains(&(position.x, position.y)) {
continue;
}
// Direct confidence means the entity should be in LOS — if it isn't,
// that's a transient data inconsistency. Skip rather than show a ghost.
if knowledge.confidence == KnowledgeConfidence::Direct {
continue;
}
let (rx, ry, rz) = position.to_render_coords();
let age_ticks = time.tick.saturating_sub(knowledge.last_observed_tick);
let entity_id = registry
.to_entity(stable_id)
.map(|e| e.to_bits())
.unwrap_or(stable_id.0);
entities.push(VisibleEntity {
entity_id,
x: rx,
y: ry,
z: rz,
kind: EntityKind::Npc, // Remembered entities are NPCs (only NPCs are tracked)
visibility: VisibilitySector::Forward, // Not meaningful for remembered entities
relationship: knowledge.relationship,
observation: EntityVisibility::Remembered {
confidence: knowledge.confidence,
age_ticks,
},
});
}
collect_remembered_entities(
observer_kg,
&visible_entity_bits,
&visible_positions,
z,
time.tick,
&mut entities,
);
// Step 7: Build GameTime from SimulationTime
let game_time = GameTime {
day: time.day(),
time_of_day: time.time_of_day_minutes(),
day_phase: time.day_phase(),
paused: time.paused(),
tick_rate: time.tick_rate,
};
@@ -207,10 +166,70 @@ pub fn compute_observer_snapshot(
player_facing: facing,
entities,
visible_tiles,
nearby_interactions: interaction_buffer.interactions.clone(),
nearby_interactions: interaction_buffer.take(),
});
}
/// Collect remembered entities from the knowledge graph — entities the observer
/// knows about but can't currently see. Filters out: already-visible entities,
/// entities without known positions, wrong z-level, visible-tile ghosts, and
/// transient Direct-confidence inconsistencies.
fn collect_remembered_entities(
observer_kg: &KnowledgeGraph,
visible_ids: &HashSet<u64>,
visible_positions: &HashSet<(i32, i32)>,
observer_z: i32,
current_tick: u64,
entities: &mut Vec<VisibleEntity>,
) {
for (stable_id, knowledge) in observer_kg.known_entities_iter() {
if visible_ids.contains(&stable_id.0) {
continue;
}
let Some(position) = knowledge.last_known_position else {
continue;
};
if position.z != observer_z {
continue;
}
// Tile is visible but entity isn't there — player knows it moved
if visible_positions.contains(&(position.x, position.y)) {
continue;
}
// Direct confidence = should be in LOS; skip transient inconsistency
if knowledge.confidence == KnowledgeConfidence::Direct {
continue;
}
let (rx, ry, rz) = position.to_render_coords();
debug_assert!(
knowledge.last_observed_tick <= current_tick,
"last_observed_tick {} > current tick {}",
knowledge.last_observed_tick,
current_tick,
);
let age_ticks = current_tick.saturating_sub(knowledge.last_observed_tick);
entities.push(VisibleEntity {
entity_id: stable_id.0,
x: rx,
y: ry,
z: rz,
kind: EntityKind::Npc,
visibility: VisibilitySector::Forward,
relationship: knowledge.relationship,
observation: EntityVisibility::Remembered {
confidence: knowledge.confidence,
age_ticks,
},
});
}
}
#[cfg(test)]
mod tests {
use super::*;
@@ -386,7 +405,7 @@ mod tests {
snapshot.game_time.day_phase,
crate::simulation::time::DayPhase::Evening
);
assert!(snapshot.game_time.paused);
assert_eq!(snapshot.game_time.tick_rate, crate::simulation::time::TickRate::Paused);
}
#[test]