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use abstutil::Counter;
use map_model::BuildingID;
use sim::{Scenario, TripEndpoint};
use widgetry::{
Btn, Checkbox, Color, Drawable, EventCtx, GeomBatch, GfxCtx, HorizontalAlignment, Key, Line,
Outcome, Panel, Text, VerticalAlignment, Widget,
};
use crate::app::App;
use crate::common::{make_heatmap, HeatmapOptions};
use crate::game::{State, Transition};
use crate::helpers::{amenity_type, ID};
pub struct PopularDestinations {
per_bldg: Counter<BuildingID>,
panel: Panel,
draw: Drawable,
}
impl PopularDestinations {
pub fn new(ctx: &mut EventCtx, app: &App, scenario: &Scenario) -> Box<dyn State> {
let mut per_bldg = Counter::new();
for p in &scenario.people {
for trip in &p.trips {
if let TripEndpoint::Bldg(b) = trip.trip.end(&app.primary.map) {
per_bldg.inc(b);
}
}
}
PopularDestinations::make(ctx, app, per_bldg, None)
}
fn make(
ctx: &mut EventCtx,
app: &App,
per_bldg: Counter<BuildingID>,
opts: Option<HeatmapOptions>,
) -> Box<dyn State> {
let map = &app.primary.map;
let mut batch = GeomBatch::new();
let controls = if let Some(ref o) = opts {
let mut pts = Vec::new();
for (b, cnt) in per_bldg.borrow() {
let pt = map.get_b(*b).label_center;
for _ in 0..*cnt {
pts.push(pt);
}
}
let legend = make_heatmap(ctx, &mut batch, map.get_bounds(), pts, o);
Widget::col(o.to_controls(ctx, legend))
} else {
let max = per_bldg.max();
let gradient = colorous::REDS;
for (b, cnt) in per_bldg.borrow() {
let c = gradient.eval_rational(*cnt, max);
batch.push(
Color::rgb(c.r as usize, c.g as usize, c.b as usize),
map.get_b(*b).polygon.clone(),
);
}
Widget::nothing()
};
let mut by_type = Counter::new();
for (b, cnt) in per_bldg.borrow() {
let mut other = true;
for (_, amenity) in &map.get_b(*b).amenities {
if let Some(t) = amenity_type(amenity) {
by_type.add(t, *cnt);
other = false;
}
}
if other {
by_type.add("other", *cnt);
}
}
let mut breakdown = Text::from(Line("Breakdown by type"));
let mut list = by_type.consume().into_iter().collect::<Vec<_>>();
list.sort_by_key(|(_, cnt)| *cnt);
list.reverse();
let sum = per_bldg.sum() as f64;
for (category, cnt) in list {
breakdown.add(Line(format!(
"{}: {}%",
category,
((cnt as f64) / sum * 100.0) as usize
)));
}
Box::new(PopularDestinations {
per_bldg,
draw: ctx.upload(batch),
panel: Panel::new(Widget::col(vec![
Widget::row(vec![
Line("Most popular destinations").small_heading().draw(ctx),
Btn::text_fg("X")
.build(ctx, "close", Key::Escape)
.align_right(),
]),
Checkbox::switch(ctx, "Show heatmap", None, opts.is_some()),
controls,
breakdown.draw(ctx),
]))
.aligned(HorizontalAlignment::Right, VerticalAlignment::Top)
.build(ctx),
})
}
}
impl State for PopularDestinations {
fn event(&mut self, ctx: &mut EventCtx, app: &mut App) -> Transition {
ctx.canvas_movement();
if ctx.redo_mouseover() {
app.primary.current_selection = app.mouseover_unzoomed_buildings(ctx);
if let Some(ID::Building(_)) = app.primary.current_selection {
} else {
app.primary.current_selection = None;
}
}
match self.panel.event(ctx) {
Outcome::Clicked(x) => match x.as_ref() {
"close" => {
return Transition::Pop;
}
_ => unreachable!(),
},
Outcome::Changed => {
return Transition::Replace(PopularDestinations::make(
ctx,
app,
self.per_bldg.clone(),
if self.panel.is_checked("Show heatmap") {
Some(HeatmapOptions::from_controls(&self.panel))
} else {
None
},
));
}
_ => {}
}
Transition::Keep
}
fn draw(&self, g: &mut GfxCtx, app: &App) {
g.redraw(&self.draw);
self.panel.draw(g);
if let Some(ID::Building(b)) = app.primary.current_selection {
let mut txt = Text::new();
txt.add(Line(format!(
"{} trips to here",
abstutil::prettyprint_usize(self.per_bldg.get(b))
)));
for (names, amenity) in &app.primary.map.get_b(b).amenities {
txt.add(Line(format!(
" {} ({})",
names.get(app.opts.language.as_ref()),
amenity
)));
}
g.draw_mouse_tooltip(txt);
}
}
}