bevy/crates/bevy_ui/src/lib.rs
Nathan Stocks f574c2c547
Render text in 2D scenes (#1122)
Render text in 2D scenes
2020-12-27 13:19:03 -06:00

55 lines
1.5 KiB
Rust

mod anchors;
pub mod entity;
mod flex;
mod focus;
mod margins;
mod node;
mod render;
pub mod update;
pub mod widget;
pub use anchors::*;
pub use flex::*;
pub use focus::*;
pub use margins::*;
pub use node::*;
pub use render::*;
pub mod prelude {
pub use crate::{entity::*, node::*, widget::Button, Anchors, Interaction, Margins};
}
use bevy_app::prelude::*;
use bevy_ecs::{IntoSystem, SystemStage};
use bevy_render::render_graph::RenderGraph;
use update::ui_z_system;
#[derive(Default)]
pub struct UiPlugin;
pub mod stage {
pub const UI: &str = "ui";
}
impl Plugin for UiPlugin {
fn build(&self, app: &mut AppBuilder) {
app.init_resource::<FlexSurface>()
.add_stage_before(
bevy_app::stage::POST_UPDATE,
stage::UI,
SystemStage::parallel(),
)
.add_system_to_stage(bevy_app::stage::PRE_UPDATE, ui_focus_system.system())
// add these stages to front because these must run before transform update systems
.add_system_to_stage(stage::UI, widget::text_system.system())
.add_system_to_stage(stage::UI, widget::image_node_system.system())
.add_system_to_stage(stage::UI, ui_z_system.system())
.add_system_to_stage(stage::UI, flex_node_system.system())
.add_system_to_stage(bevy_render::stage::DRAW, widget::draw_text_system.system());
let resources = app.resources();
let mut render_graph = resources.get_mut::<RenderGraph>().unwrap();
render_graph.add_ui_graph(resources);
}
}