use std::collections::{BTreeMap, HashSet};
use std::error::Error;
use osm::WayID;
use abstutil::{prettyprint_usize, Timer};
use geom::{Distance, FindClosest, PolyLine, Polygon};
use map_model::{osm, RoadID};
use widgetry::{
Btn, Checkbox, Choice, Color, Drawable, EventCtx, GeomBatch, GfxCtx, HorizontalAlignment, Key,
Line, Menu, Outcome, Panel, State, Text, TextExt, VerticalAlignment, Widget,
};
use crate::app::App;
use crate::common::{CityPicker, ColorLegend};
use crate::game::{PopupMsg, Transition};
use crate::helpers::{nice_map_name, open_browser, ID};
pub struct ParkingMapper {
panel: Panel,
draw_layer: Drawable,
show: Show,
selected: Option<(HashSet<RoadID>, Drawable)>,
data: BTreeMap<WayID, Value>,
}
#[derive(Clone, Copy, PartialEq, Debug)]
enum Show {
TODO,
Done,
DividedHighways,
OverlappingStuff,
}
#[derive(PartialEq, Clone)]
pub enum Value {
BothSides,
NoStopping,
RightOnly,
LeftOnly,
Complicated,
}
impl ParkingMapper {
pub fn new(ctx: &mut EventCtx, app: &mut App) -> Box<dyn State<App>> {
app.primary.current_selection = None;
ParkingMapper::make(ctx, app, Show::TODO, BTreeMap::new())
}
fn make(
ctx: &mut EventCtx,
app: &mut App,
show: Show,
data: BTreeMap<WayID, Value>,
) -> Box<dyn State<App>> {
app.opts.min_zoom_for_detail = 2.0;
let map = &app.primary.map;
let color = match show {
Show::TODO => Color::RED,
Show::Done => Color::BLUE,
Show::DividedHighways => Color::RED,
Show::OverlappingStuff => Color::RED,
}
.alpha(0.5);
let mut batch = GeomBatch::new();
let mut done = HashSet::new();
let mut todo = HashSet::new();
for r in map.all_roads() {
if r.is_light_rail() {
continue;
}
if r.osm_tags.contains_key(osm::INFERRED_PARKING)
&& !data.contains_key(&r.orig_id.osm_way_id)
{
todo.insert(r.orig_id.osm_way_id);
if show == Show::TODO {
batch.push(color, map.get_r(r.id).get_thick_polygon(map));
}
} else {
done.insert(r.orig_id.osm_way_id);
if show == Show::Done {
batch.push(color, map.get_r(r.id).get_thick_polygon(map));
}
}
}
if show == Show::DividedHighways {
for r in find_divided_highways(app) {
batch.push(color, map.get_r(r).get_thick_polygon(map));
}
}
if show == Show::OverlappingStuff {
ctx.loading_screen(
"find buildings and parking lots overlapping roads",
|_, mut timer| {
for poly in find_overlapping_stuff(app, &mut timer) {
batch.push(color, poly);
}
},
);
}
for i in map.all_intersections() {
let is_todo = i.roads.iter().any(|id| {
let r = map.get_r(*id);
r.osm_tags.contains_key(osm::INFERRED_PARKING)
&& !data.contains_key(&r.orig_id.osm_way_id)
});
if match (show, is_todo) {
(Show::TODO, true) => true,
(Show::Done, false) => true,
_ => false,
} {
batch.push(color, i.polygon.clone());
}
}
Box::new(ParkingMapper {
draw_layer: ctx.upload(batch),
show,
panel: Panel::new(Widget::col(vec![
Widget::row(vec![
Line("Parking mapper").small_heading().draw(ctx),
Btn::text_fg("X")
.build(ctx, "close", Key::Escape)
.align_right(),
]),
Widget::row(vec![
"Change map:".draw_text(ctx),
Btn::pop_up(ctx, Some(nice_map_name(app.primary.map.get_name()))).build(
ctx,
"change map",
None,
),
]),
format!(
"{} / {} ways done (you've mapped {})",
prettyprint_usize(done.len()),
prettyprint_usize(done.len() + todo.len()),
data.len()
)
.draw_text(ctx),
Widget::row(vec![
Widget::dropdown(
ctx,
"Show",
show,
vec![
Choice::new("missing tags", Show::TODO),
Choice::new("already mapped", Show::Done),
Choice::new("divided highways", Show::DividedHighways).tooltip(
"Roads divided in OSM often have the wrong number of lanes tagged",
),
Choice::new(
"buildings and parking lots overlapping roads",
Show::OverlappingStuff,
)
.tooltip("Roads often have the wrong number of lanes tagged"),
],
),
ColorLegend::row(
ctx,
color,
match show {
Show::TODO => "TODO",
Show::Done => "done",
Show::DividedHighways => "divided highways",
Show::OverlappingStuff => {
"buildings and parking lots overlapping roads"
}
},
),
]),
Checkbox::checkbox(ctx, "max 3 days parking (default in Seattle)", None, false),
Btn::text_fg("Generate OsmChange file").build_def(ctx, None),
"Select a road".draw_text(ctx).named("info"),
]))
.aligned(HorizontalAlignment::Right, VerticalAlignment::Top)
.build(ctx),
selected: None,
data,
})
}
}
impl State<App> for ParkingMapper {
fn event(&mut self, ctx: &mut EventCtx, app: &mut App) -> Transition {
let map = &app.primary.map;
ctx.canvas_movement();
if ctx.redo_mouseover() {
let mut maybe_r = match app.mouseover_unzoomed_roads_and_intersections(ctx) {
Some(ID::Road(r)) => Some(r),
Some(ID::Lane(l)) => Some(map.get_l(l).parent),
_ => None,
};
if let Some(r) = maybe_r {
if map.get_r(r).is_light_rail() {
maybe_r = None;
}
}
if let Some(id) = maybe_r {
if self
.selected
.as_ref()
.map(|(ids, _)| !ids.contains(&id))
.unwrap_or(true)
{
let road = map.get_r(id);
let way = road.orig_id.osm_way_id;
let mut ids = HashSet::new();
let mut batch = GeomBatch::new();
for r in map.all_roads() {
if r.orig_id.osm_way_id == way {
ids.insert(r.id);
batch.push(Color::CYAN.alpha(0.5), r.get_thick_polygon(map));
}
}
self.selected = Some((ids, ctx.upload(batch)));
let mut txt = Text::new();
txt.add(Line(format!("Click to map parking for OSM way {}", way)));
txt.add_appended(vec![
Line("Shortcut: press "),
Key::N.txt(ctx),
Line(" to indicate no parking"),
]);
txt.add_appended(vec![
Line("Press "),
Key::S.txt(ctx),
Line(" to open Bing StreetSide here"),
]);
txt.add_appended(vec![
Line("Press "),
Key::O.txt(ctx),
Line(" to open OpenStreetMap for this way"),
]);
for (k, v) in road.osm_tags.inner() {
if k.starts_with("abst:") {
continue;
}
if k.contains("parking") {
if !road.osm_tags.contains_key(osm::INFERRED_PARKING) {
txt.add(Line(format!("{} = {}", k, v)));
}
} else if k == "sidewalk" {
if !road.osm_tags.contains_key(osm::INFERRED_SIDEWALKS) {
txt.add(Line(format!("{} = {}", k, v)).secondary());
}
} else {
txt.add(Line(format!("{} = {}", k, v)).secondary());
}
}
self.panel.replace(ctx, "info", txt.draw(ctx).named("info"));
}
} else if self.selected.is_some() {
self.selected = None;
self.panel
.replace(ctx, "info", "Select a road".draw_text(ctx).named("info"));
}
}
if self.selected.is_some() && app.per_obj.left_click(ctx, "map parking") {
return Transition::Push(ChangeWay::new(
ctx,
app,
&self.selected.as_ref().unwrap().0,
self.show,
self.data.clone(),
));
}
if self.selected.is_some() && ctx.input.pressed(Key::N) {
let osm_way_id = app
.primary
.map
.get_r(*self.selected.as_ref().unwrap().0.iter().next().unwrap())
.orig_id
.osm_way_id;
let mut new_data = self.data.clone();
new_data.insert(osm_way_id, Value::NoStopping);
return Transition::Replace(ParkingMapper::make(ctx, app, self.show, new_data));
}
if self.selected.is_some() && ctx.input.pressed(Key::S) {
if let Some(pt) = ctx.canvas.get_cursor_in_map_space() {
let gps = pt.to_gps(app.primary.map.get_gps_bounds());
open_browser(format!(
"https://www.bing.com/maps?cp={}~{}&style=x",
gps.y(),
gps.x()
));
}
}
if let Some((ref roads, _)) = self.selected {
if ctx.input.pressed(Key::O) {
open_browser(format!(
"{}",
app.primary
.map
.get_r(*roads.iter().next().unwrap())
.orig_id
.osm_way_id
));
}
}
match self.panel.event(ctx) {
Outcome::Clicked(x) => match x.as_ref() {
"close" => {
app.opts.min_zoom_for_detail =
crate::options::Options::default().min_zoom_for_detail;
return Transition::Pop;
}
"Generate OsmChange file" => {
if self.data.is_empty() {
return Transition::Push(PopupMsg::new(
ctx,
"No changes yet",
vec!["Map some parking first"],
));
}
return match ctx.loading_screen("generate OsmChange file", |_, timer| {
generate_osmc(
&self.data,
self.panel
.is_checked("max 3 days parking (default in Seattle)"),
timer,
)
}) {
Ok(()) => Transition::Push(PopupMsg::new(
ctx,
"Diff generated",
vec!["diff.osc created. Load it in JOSM, verify, and upload!"],
)),
Err(err) => {
Transition::Push(PopupMsg::new(ctx, "Error", vec![format!("{}", err)]))
}
};
}
"change map" => {
return Transition::Push(CityPicker::new(
ctx,
app,
Box::new(|ctx, app| {
Transition::Multi(vec![
Transition::Pop,
Transition::Replace(ParkingMapper::make(
ctx,
app,
Show::TODO,
BTreeMap::new(),
)),
])
}),
));
}
_ => unreachable!(),
},
Outcome::Changed => {
return Transition::Replace(ParkingMapper::make(
ctx,
app,
self.panel.dropdown_value("Show"),
self.data.clone(),
));
}
_ => {}
}
Transition::Keep
}
fn draw(&self, g: &mut GfxCtx, _: &App) {
g.redraw(&self.draw_layer);
if let Some((_, ref roads)) = self.selected {
g.redraw(roads);
}
self.panel.draw(g);
}
}
struct ChangeWay {
panel: Panel,
draw: Drawable,
osm_way_id: WayID,
data: BTreeMap<WayID, Value>,
show: Show,
}
impl ChangeWay {
fn new(
ctx: &mut EventCtx,
app: &App,
selected: &HashSet<RoadID>,
show: Show,
data: BTreeMap<WayID, Value>,
) -> Box<dyn State<App>> {
let map = &app.primary.map;
let osm_way_id = map
.get_r(*selected.iter().next().unwrap())
.orig_id
.osm_way_id;
let mut batch = GeomBatch::new();
let thickness = Distance::meters(2.0);
for id in selected {
let r = map.get_r(*id);
batch.push(
Color::GREEN,
r.center_pts
.must_shift_right(r.get_half_width(map))
.make_polygons(thickness),
);
batch.push(
Color::BLUE,
r.center_pts
.must_shift_left(r.get_half_width(map))
.make_polygons(thickness),
);
}
Box::new(ChangeWay {
panel: Panel::new(Widget::col(vec![
Widget::row(vec![
Line("What kind of parking does this road have?")
.small_heading()
.draw(ctx),
Btn::plaintext("X")
.build(ctx, "close", Key::Escape)
.align_right(),
]),
Menu::new(
ctx,
vec![
Choice::new("none -- no stopping or parking", Value::NoStopping),
Choice::new("both sides", Value::BothSides),
Choice::new("just on the green side", Value::RightOnly),
Choice::new("just on the blue side", Value::LeftOnly),
Choice::new(
"it changes at some point along the road",
Value::Complicated,
),
Choice::new("loading zone on one or both sides", Value::Complicated),
],
)
.named("menu"),
]))
.build(ctx),
draw: ctx.upload(batch),
osm_way_id,
data,
show,
})
}
}
impl State<App> for ChangeWay {
fn event(&mut self, ctx: &mut EventCtx, app: &mut App) -> Transition {
ctx.canvas_movement();
match self.panel.event(ctx) {
Outcome::Clicked(x) => match x.as_ref() {
"close" => Transition::Pop,
_ => {
let value = self.panel.take_menu_choice::<Value>("menu");
if value == Value::Complicated {
Transition::Replace(PopupMsg::new(
ctx,
"Complicated road",
vec![
"You'll have to manually split the way in ID or JOSM and apply \
the appropriate parking tags to each section.",
],
))
} else {
self.data.insert(self.osm_way_id, value);
Transition::Multi(vec![
Transition::Pop,
Transition::Replace(ParkingMapper::make(
ctx,
app,
self.show,
self.data.clone(),
)),
])
}
}
},
_ => {
if ctx.normal_left_click() && ctx.canvas.get_cursor_in_screen_space().is_none() {
return Transition::Pop;
}
Transition::Keep
}
}
}
fn draw(&self, g: &mut GfxCtx, _: &App) {
g.redraw(&self.draw);
self.panel.draw(g);
}
}
#[cfg(target_arch = "wasm32")]
fn generate_osmc(_: &BTreeMap<WayID, Value>, _: bool, _: &mut Timer) -> Result<(), Box<dyn Error>> {
Err("Woops, mapping mode isn't supported on the web yet"
.to_string()
.into())
}
#[cfg(not(target_arch = "wasm32"))]
fn generate_osmc(
data: &BTreeMap<WayID, Value>,
in_seattle: bool,
timer: &mut Timer,
) -> Result<(), Box<dyn Error>> {
use std::fs::File;
use std::io::Write;
use abstutil::Tags;
let mut modified_ways = Vec::new();
timer.start_iter("fetch latest OSM data per modified way", data.len());
for (way, value) in data {
timer.next();
if value == &Value::Complicated {
continue;
}
let url = format!("https://api.openstreetmap.org/api/0.6/way/{}", way.0);
timer.note(format!("Fetching {}", url));
let resp = reqwest::blocking::get(&url)?.text()?;
let mut tree = xmltree::Element::parse(resp.as_bytes())?
.take_child("way")
.unwrap();
let mut osm_tags = Tags::new(BTreeMap::new());
let mut other_children = Vec::new();
for node in tree.children.drain(..) {
if let Some(elem) = node.as_element() {
if elem.name == "tag" {
osm_tags.insert(elem.attributes["k"].clone(), elem.attributes["v"].clone());
continue;
}
}
other_children.push(node);
}
osm_tags.remove(osm::PARKING_LEFT);
osm_tags.remove(osm::PARKING_RIGHT);
osm_tags.remove(osm::PARKING_BOTH);
match value {
Value::BothSides => {
osm_tags.insert(osm::PARKING_BOTH, "parallel");
if in_seattle {
osm_tags.insert("parking:condition:both:maxstay", "3 days");
}
}
Value::NoStopping => {
osm_tags.insert(osm::PARKING_BOTH, "no_stopping");
}
Value::RightOnly => {
osm_tags.insert(osm::PARKING_RIGHT, "parallel");
osm_tags.insert(osm::PARKING_LEFT, "no_stopping");
if in_seattle {
osm_tags.insert("parking:condition:right:maxstay", "3 days");
}
}
Value::LeftOnly => {
osm_tags.insert(osm::PARKING_LEFT, "parallel");
osm_tags.insert(osm::PARKING_RIGHT, "no_stopping");
if in_seattle {
osm_tags.insert("parking:condition:left:maxstay", "3 days");
}
}
Value::Complicated => unreachable!(),
}
tree.children = other_children;
for (k, v) in osm_tags.inner() {
let mut new_elem = xmltree::Element::new("tag");
new_elem.attributes.insert("k".to_string(), k.to_string());
new_elem.attributes.insert("v".to_string(), v.to_string());
tree.children.push(xmltree::XMLNode::Element(new_elem));
}
tree.attributes.remove("timestamp");
tree.attributes.remove("changeset");
tree.attributes.remove("user");
tree.attributes.remove("uid");
tree.attributes.remove("visible");
let mut bytes: Vec<u8> = Vec::new();
tree.write(&mut bytes)?;
let out = String::from_utf8(bytes)?;
let stripped = out.trim_start_matches("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
modified_ways.push(stripped.to_string());
}
let mut f = File::create("diff.osc")?;
writeln!(f, "<osmChange version=\"0.6\" generator=\"abst\"><modify>")?;
for w in modified_ways {
writeln!(f, " {}", w)?;
}
writeln!(f, "</modify></osmChange>")?;
timer.note(format!("Wrote diff.osc"));
Ok(())
}
fn find_divided_highways(app: &App) -> HashSet<RoadID> {
let map = &app.primary.map;
let mut closest: FindClosest<RoadID> = FindClosest::new(map.get_bounds());
let mut oneways = Vec::new();
for r in map.all_roads() {
if r.osm_tags.contains_key("oneway") {
closest.add(r.id, r.center_pts.points());
oneways.push(r.id);
}
}
let mut found = HashSet::new();
for r1 in oneways {
let r1 = map.get_r(r1);
for dist in vec![
Distance::ZERO,
r1.center_pts.length() / 2.0,
r1.center_pts.length(),
] {
let (pt, angle) = r1.center_pts.must_dist_along(dist);
for (r2, _, _) in closest.all_close_pts(pt, Distance::meters(250.0)) {
if r1.id != r2
&& PolyLine::must_new(vec![
pt.project_away(Distance::meters(100.0), angle.rotate_degs(90.0)),
pt.project_away(Distance::meters(100.0), angle.rotate_degs(-90.0)),
])
.intersection(&map.get_r(r2).center_pts)
.is_some()
&& r1.get_name(app.opts.language.as_ref())
== map.get_r(r2).get_name(app.opts.language.as_ref())
{
found.insert(r1.id);
found.insert(r2);
}
}
}
}
found
}
fn find_overlapping_stuff(app: &App, timer: &mut Timer) -> Vec<Polygon> {
let map = &app.primary.map;
let mut closest: FindClosest<RoadID> = FindClosest::new(map.get_bounds());
for r in map.all_roads() {
if r.osm_tags.contains_key("tunnel") {
continue;
}
closest.add(r.id, r.center_pts.points());
}
let mut polygons = Vec::new();
timer.start_iter("check buildings", map.all_buildings().len());
for b in map.all_buildings() {
timer.next();
for (r, _, _) in closest.all_close_pts(b.label_center, Distance::meters(500.0)) {
if !b
.polygon
.intersection(&map.get_r(r).get_thick_polygon(map))
.is_empty()
{
polygons.push(b.polygon.clone());
}
}
}
timer.start_iter("check parking lots", map.all_parking_lots().len());
for pl in map.all_parking_lots() {
timer.next();
for (r, _, _) in closest.all_close_pts(pl.polygon.center(), Distance::meters(500.0)) {
if !pl
.polygon
.intersection(&map.get_r(r).get_thick_polygon(map))
.is_empty()
{
polygons.push(pl.polygon.clone());
}
}
}
polygons
}