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