1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

use amethyst::{
	ecs::prelude::*,
	renderer::Blink,
};
use amethyst_imgui::imgui;
use crate::Inspect;
use imgui::im_str;

impl<'a> Inspect<'a> for Blink {
	type SystemData = (ReadStorage<'a, Self>, Read<'a, LazyUpdate>);

	fn can_add(_: &mut Self::SystemData, _: ::amethyst::ecs::Entity) -> bool { true }
	fn inspect((storage, lazy): &mut Self::SystemData, entity: Entity) {
		amethyst_imgui::with(|ui| {
			let &Blink {
				mut delay,
				timer,
				mut absolute_time,
			} = if let Some(x) = storage.get(entity) { x } else { return; };
			ui.push_id(im_str!("blink"));

			let mut changed = ui.drag_float(im_str!("delay"), &mut delay)
				.speed(0.1)
				.build();
			changed = ui.checkbox(im_str!("absolute time"), &mut absolute_time) || changed;

			if changed {
				lazy.insert(
					entity,
					Blink {
						delay,
						timer,
						absolute_time,
					},
				);
			}
			ui.pop_id();
		});
	}

	fn add((_storage, lazy): &mut Self::SystemData, entity: Entity) {
		lazy.insert(
			entity,
			Blink {
				delay: 0.5,
				timer: 0.,
				absolute_time: false,
			},
		);
	}
}