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Dramatically speed up editing roads by re-snapping buildings and parking

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lots in one big batch, instead of after every single command.

A batch of 300 edited road segments in huge_seattle went from over 70
seconds to apply down to... 0.6 seconds. Embarrassing.
This commit is contained in:
Dustin Carlino 2021-10-05 12:17:39 -07:00
parent 309db511c2
commit 9803558885
1 changed files with 27 additions and 26 deletions
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53
map_model/src/edits/mod.rs
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@ -199,6 +199,7 @@ pub struct EditEffects {
pub added_turns: BTreeSet<TurnID>,
pub deleted_turns: BTreeSet<TurnID>,
pub changed_parking_lots: BTreeSet<ParkingLotID>,
modified_lanes: BTreeSet<LaneID>,
}
impl MapEdits {
@ -554,40 +555,16 @@ fn modify_lanes(map: &mut Map, r: RoadID, lanes_ltr: Vec<LaneSpec>, effects: &mu
}
// We might've affected the geometry of other nearby roads.
let mut modified_lanes = BTreeSet::new();
for r in road_geom_changed {
effects.changed_roads.insert(r);
let lane_specs = map.get_r(r).lane_specs();
let road = &mut map.roads[r.0];
road.recreate_lanes(lane_specs);
for lane in &road.lanes {
modified_lanes.insert(lane.id);
effects.modified_lanes.insert(lane.id);
}
}
modified_lanes.extend(effects.deleted_lanes.clone());
// Find all buildings connected to modified/deleted sidewalks
let mut recalc_buildings = Vec::new();
for b in map.all_buildings() {
if modified_lanes.contains(&b.sidewalk()) {
recalc_buildings.push(b.id);
}
}
fix_building_driveways(map, recalc_buildings, effects);
// Same for parking lots
let mut recalc_parking_lots = Vec::new();
for pl in map.all_parking_lots() {
if modified_lanes.contains(&pl.driving_pos.lane())
|| modified_lanes.contains(&pl.sidewalk_pos.lane())
{
recalc_parking_lots.push(pl.id);
effects.changed_parking_lots.insert(pl.id);
}
}
fix_parking_lot_driveways(map, recalc_parking_lots);
// TODO We need to update bus stops -- they may refer to an old ID.
effects.modified_lanes.extend(effects.deleted_lanes.clone());
}
// Returns the other roads affected by this change, not counting changed_road.
@ -840,6 +817,7 @@ impl Map {
added_turns: BTreeSet::new(),
deleted_turns: BTreeSet::new(),
changed_parking_lots: BTreeSet::new(),
modified_lanes: BTreeSet::new(),
};
// Short-circuit to avoid marking pathfinder_dirty
@ -877,6 +855,29 @@ impl Map {
cmd.apply(&mut effects, self);
}
timer.start("re-snap buildings");
let mut recalc_buildings = Vec::new();
for b in self.all_buildings() {
if effects.modified_lanes.contains(&b.sidewalk()) {
recalc_buildings.push(b.id);
}
}
fix_building_driveways(self, recalc_buildings, &mut effects);
timer.stop("re-snap buildings");
timer.start("re-snap parking lots");
let mut recalc_parking_lots = Vec::new();
for pl in self.all_parking_lots() {
if effects.modified_lanes.contains(&pl.driving_pos.lane())
|| effects.modified_lanes.contains(&pl.sidewalk_pos.lane())
{
recalc_parking_lots.push(pl.id);
effects.changed_parking_lots.insert(pl.id);
}
}
fix_parking_lot_driveways(self, recalc_parking_lots);
timer.stop("re-snap parking lots");
// Might need to update bus stops.
if enforce_valid {
for id in &effects.changed_roads {