TODOS

[toyboot4e]

Not on master yet.

• Type boundaries
  • Add #[derive(Component)]
  • Add #[derive(Resource)] as in Bevy?
  • Send, Sync, NonSend. Components are Send and Sync by their definition (in toecs). Non-Send resource should be fetched with NonSend and NonSendMut. res_scope needs to be relaxed to accept non-send resource types.
• API / ergonomics
  • EntityMut for explicit entity validation? → No (Make sure to invalidate Entity #3)
  • Add #[derive(GatBorrowWorld)] #[derive(AutoFetch)] for user-defined borrow types
  • Add #[derive(ComponentSet)] for easier insertion
  • Add World::run_arg, just like run_with_data in shipyard
• Borrow improvements
  • Add lifetime-free BorrowWorld: GatBorrowWorld with the GAT hack
  • Remove the GAT hack with the real GAT coming in Rust
  • Implement GatBorrowWorld AutoFetch for tuples. This is great for system-like function with ordinary parameters, just like RenderCommand in Bevy or run_with_data in shipyard
  • Add World::run_ex where &mut World is allowed
• One-shot parallel / sequential execution
  • Detect access "confliction" before run
  • Wrap return type into SystemResult if necessary
  • rayon or custom task scheduler
• More from Bevy
  • Add CommandBuffer, Command
  • Optional fetch query (Option<Res<T>>, ..)
  • Blueprint?
  • Reflection / runtime inspector?
• Groups and layout
  • Create component families
  • Add group/ungroup procedures
  • Refactor query module
  • Add DenseIter
  • Add explicit declaration/fetch of group
• Scheduler?
  • Add BoxSystem