83 lines
2.5 KiB
Rust
83 lines
2.5 KiB
Rust
use crate::prelude::*;
|
|
use bevy_ecs_tilemap::prelude::*;
|
|
use rand::prelude::*;
|
|
use rand_pcg::Pcg64;
|
|
use rand_seeder::Seeder;
|
|
|
|
#[derive(Component, Debug)]
|
|
pub struct Tilemap;
|
|
|
|
pub fn spawn(mut commands: Commands, assets: Res<AssetServer>) {
|
|
// let task_pool = AsyncComputeTaskPool::get();
|
|
|
|
// let task = task_pool.spawn(async move {});
|
|
|
|
let mut rng: Pcg64 = Seeder::from("stripy zebra").make_rng();
|
|
let size = TilemapSize { x: 1024, y: 1024 };
|
|
let tilemap_entity = commands.spawn_empty().id();
|
|
let mut tile_storage = TileStorage::empty(size);
|
|
let mut batch = Vec::<TileBundle>::with_capacity(size.x as usize * size.y as usize);
|
|
for x in 0..size.x {
|
|
for y in 0..size.y {
|
|
let tile_pos = TilePos { x, y };
|
|
let texture_index = TileTextureIndex(if rng.gen_range(0..1000) > 925 {
|
|
rng.gen_range(0..(16 * 8))
|
|
} else {
|
|
0
|
|
});
|
|
// let texture_index = TileTextureIndex(0);
|
|
// let tile_entity = commands
|
|
// .spawn(TileBundle {
|
|
// position: tile_pos,
|
|
// tilemap_id: TilemapId(tilemap_entity),
|
|
// texture_index,
|
|
// ..Default::default()
|
|
// })
|
|
// .id();
|
|
// let tile_entity = commands
|
|
batch.push(TileBundle {
|
|
position: tile_pos,
|
|
tilemap_id: TilemapId(tilemap_entity),
|
|
texture_index,
|
|
..Default::default()
|
|
});
|
|
// .id();
|
|
// tile_storage.set(&tile_pos, tile_entity);
|
|
}
|
|
}
|
|
|
|
commands.spawn_batch(batch);
|
|
|
|
// for tb in batch {
|
|
// tile_storage.set(&tile_pos, tile_entity);
|
|
// }
|
|
|
|
let texture_handle: Handle<Image> = assets.load("img/Tileset Grass.png");
|
|
|
|
let tile_size = TilemapTileSize { x: 16.0, y: 16.0 };
|
|
let grid_size = tile_size.into();
|
|
let map_type = TilemapType::default();
|
|
|
|
let texture = TilemapTexture::Single(texture_handle);
|
|
|
|
commands.entity(tilemap_entity).insert((
|
|
Tilemap,
|
|
TilemapBundle {
|
|
grid_size,
|
|
map_type,
|
|
size,
|
|
storage: tile_storage,
|
|
texture,
|
|
tile_size,
|
|
transform: get_tilemap_center_transform(&size, &grid_size, &map_type, f32::MIN),
|
|
..default()
|
|
},
|
|
));
|
|
}
|
|
|
|
pub fn exit(mut commands: Commands, q: Query<Entity, With<Tilemap>>) {
|
|
for id in q.iter() {
|
|
commands.entity(id).despawn_recursive();
|
|
}
|
|
}
|