bevy_entitiles 0.3.0

/*
 * Notice that the green circle is drew on the origin of the tile,
 * but not the center of the tile.
 */

use std::time::Duration;

use bevy::{
    app::Update,
    ecs::{schedule::IntoSystemConfigs, system::Query},
    math::IVec2,
    prelude::{App, AssetServer, Camera2dBundle, Commands, Res, Startup, UVec2, Vec2},
    render::render_resource::FilterMode,
    time::common_conditions::on_real_timer,
    DefaultPlugins,
};
use bevy_entitiles::{
    algorithm::pathfinding::{PathFinder, PathFindingQueue},
    math::TileArea,
    tilemap::{
        algorithm::path::{PathTile, PathTilemap},
        bundles::TilemapBundle,
        map::{
            TileRenderSize, TilemapRotation, TilemapSlotSize, TilemapStorage, TilemapTexture,
            TilemapTextureDescriptor, TilemapType,
        },
        tile::{TileBuilder, TileLayer},
    },
    EntiTilesPlugin,
};
use helpers::EntiTilesHelpersPlugin;

mod helpers;

fn main() {
    App::new()
        .add_plugins((
            DefaultPlugins,
            EntiTilesPlugin,
            EntiTilesHelpersPlugin { inspector: false },
        ))
        .add_systems(Startup, setup)
        .add_systems(
            Update,
            detect.run_if(on_real_timer(Duration::from_millis(100))),
        )
        .run();
}

fn setup(mut commands: Commands, assets_server: Res<AssetServer>) {
    commands.spawn(Camera2dBundle::default());

    let entity = commands.spawn_empty().id();
    let mut tilemap = TilemapBundle {
        tile_render_size: TileRenderSize(Vec2::new(32., 16.)),
        slot_size: TilemapSlotSize(Vec2::new(32., 16.)),
        ty: TilemapType::Isometric,
        storage: TilemapStorage::new(64, entity),
        texture: TilemapTexture::new(
            assets_server.load("test_isometric.png"),
            TilemapTextureDescriptor::new(
                UVec2 { x: 32, y: 32 },
                UVec2 { x: 32, y: 16 },
                FilterMode::Nearest,
            ),
            TilemapRotation::None,
        ),
        ..Default::default()
    };

    tilemap.storage.fill_rect(
        &mut commands,
        TileArea::new(IVec2::ZERO, UVec2 { x: 500, y: 500 }),
        TileBuilder::new().with_layer(0, TileLayer::new().with_texture_index(0)),
    );

    let mut path_tilemap = PathTilemap::new();
    path_tilemap.fill_path_rect_custom(
        TileArea::new(IVec2::ZERO, UVec2 { x: 1000, y: 1000 }),
        |_| {
            Some(PathTile {
                cost: rand::random::<u32>() % 10,
            })
        },
    );

    let queue = (0..100).into_iter().map(|_| {
        (
            commands.spawn_empty().id(),
            PathFinder {
                origin: IVec2::ZERO,
                dest: IVec2::splat(499),
                allow_diagonal: false,
                max_steps: None,
            },
        )
    });

    let pathfinding_queue = PathFindingQueue::new_with_schedules(path_tilemap.clone(), queue);

    commands
        .entity(entity)
        .insert((tilemap, path_tilemap, pathfinding_queue));
}

fn detect(queues_query: Query<&PathFindingQueue>) {
    queues_query.for_each(|q| {
        if q.is_empty() {
            println!("Pathfinding tasks done!");
        }
    });
}