文档

参见 Docs.rs: https://docs.rs/muds

用法

以下是对 ECS 库的示例用法。更多示例请参阅 bench。

use muds::prelude::*;
use muds::ecs::storage::SparseSetStorage;

// 1. Defines the entity and components.

#[derive(Entity, Debug)]
struct Ent;

#[derive(Component, Debug)]
struct Pos(u32, u32);

// `#[storage(S)]` can be used to customize the entity / component storage type.
#[derive(Component, Debug)]
#[storage(SparseSetStorage)]
struct Vel(u32, u32);

// 2. Registers the entity-components archetype to registry.
let mut registry = Registry::default();
registry.register_archetype::<Ent, Cons!(Pos, Vel)>();

// 3. Insert entities/components to mut storage.
// registry.storage returns cons of collection types.
// Each entity/component storage can be retrieved either as immutable (&C) or mutable (&mut C).
{
  let cons!(mut ent, mut pos, mut vel) = registry.storage::<&mut Ent, Cons!(&mut Pos, &mut Vel)>();
  for i in 0..10 {
      let eid = ent.insert(E);
      pos.insert(eid, Pos(i * 2, i * 2 + 1));
      vel.insert(eid, Vel(i, i + 1));
  }
}

// 4. Storages are just standard Map types that can be iterated.
// Use MapJoin trait to jointly iterate components as cons.
{
  let cons!(_ent, mut pos, vel) = registry.storage::<&Ent, Cons!(&mut Pos, &Vel)>();
  for cons!(_eid, v, p) in pos.iter_mut().cons().map_join(&*vel) {
      p.0 += v.0;
      p.1 += v.1;
  }
}

许可证

此存储库及其内部的代码受 MIT 许可证许可。有关更多信息，请参阅 LICENSE。