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actually do need to throttle redraws on loading screen

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This commit is contained in:
Dustin Carlino 2019-05-05 19:03:24 -07:00
parent 272503873c
commit 26ee29ff62
1 changed files with 12 additions and 3 deletions
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15
ezgui/src/event_ctx.rs
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@ -1,8 +1,7 @@
use crate::input::ContextMenu;
use crate::text::FONT_SIZE;
use crate::{Canvas, Color, GfxCtx, HorizontalAlignment, Text, UserInput, VerticalAlignment};
use abstutil::Timer;
use abstutil::TimerSink;
use abstutil::{elapsed_seconds, Timer, TimerSink};
use geom::Polygon;
use glium::implement_vertex;
use glium_glyph::glyph_brush::rusttype::Font;
@ -10,6 +9,7 @@ use glium_glyph::glyph_brush::rusttype::Scale;
use glium_glyph::GlyphBrush;
use std::cell::Cell;
use std::collections::VecDeque;
use std::time::Instant;
// Something that's been sent to the GPU already.
pub struct Drawable {
@ -145,6 +145,7 @@ pub struct LoadingScreen<'a> {
program: &'a glium::Program,
lines: VecDeque<String>,
max_capacity: usize,
last_drawn: Option<Instant>,
}
impl<'a> LoadingScreen<'a> {
@ -169,11 +170,19 @@ impl<'a> LoadingScreen<'a> {
program,
lines: VecDeque::new(),
max_capacity: (0.8 * initial_height / line_height) as usize,
last_drawn: None,
}
}
// Timer throttles updates reasonably, so don't bother throttling redraws.
fn redraw(&self) {
fn redraw(&mut self) {
if let Some(t) = self.last_drawn {
if elapsed_seconds(t) < 0.2 {
return;
}
}
self.last_drawn = Some(Instant::now());
let mut txt = Text::prompt("Loading...");
for l in &self.lines {
txt.add_line(l.to_string());