alex/valence
1
0
Fork 0
mirror of https://github.com/italicsjenga/valence.git synced 2024-12-23 14:31:30 +11:00
Code Issues Packages Projects Releases Wiki Activity
valence/crates/valence_instance
History
Tachibana Yui 61f2279831
Implement world border (#364) 
## Description

Basic implementation of world border
World border is not enabled by default. It can be enabled by inserting
`WorldBorderBundle` bundle. Currently, this PR only implements world
borders per instance, I'm considering expanding this per client.
However, the same functionality can be achieved by Visibility Layers
#362

<details>
<summary>Playground:</summary>

```rust
fn border_controls(
    mut events: EventReader<ChatMessageEvent>,
    mut instances: Query<(Entity, &WorldBorderDiameter, &mut WorldBorderCenter), With<Instance>>,
    mut event_writer: EventWriter<SetWorldBorderSizeEvent>,
) {
    for x in events.iter() {
        let parts: Vec<&str> = x.message.split(' ').collect();
        match parts[0] {
            "add" => {
                let Ok(value) = parts[1].parse::<f64>() else {
                    return;
                };

                let Ok(speed) = parts[2].parse::<i64>() else {
                    return;
                };

                let Ok((entity, diameter, _)) = instances.get_single_mut() else {
                    return;
                };

                event_writer.send(SetWorldBorderSizeEvent {
                    instance: entity,
                    new_diameter: diameter.diameter() + value,
                    speed,
                })
            }
            "center" => {
                let Ok(x) = parts[1].parse::<f64>() else {
                    return;
                };

                let Ok(z) = parts[2].parse::<f64>() else {
                    return;
                };

                instances.single_mut().2 .0 = DVec2 { x, y: z };
            }
            _ => (),
        }
    }
}
``` 
</details>

example: `cargo run --package valence --example world_border`
tests: `cargo test --package valence --lib -- tests::world_border`


**Related**
part of #210
2023-06-14 22:15:47 -07:00
..
src Implement world border (#364) 2023-06-14 22:15:47 -07:00
Cargo.toml Registry Redesign (#361) 2023-06-11 09:08:38 -07:00
README.md Reorganize Project (#321) 2023-04-21 14:43:59 -07:00

README.md

valence_instance

Containers for chunks and entities. Instances are analogous to "levels" or "worlds" in Minecraft's parlance.