reo
ef055a1bda
- Implements a new macro to generate code for a new structure: TypeMap - TypeMaps are wrappers for HashMaps that use TypeIDs as keys. - Refactor the entire codebase to use the new resource structures. - This commit is the first step towards getting rid of "god context objects everywhere".
47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
use indexmap::IndexMap;
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use raidillon_core::scene::Scene;
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use raidillon_core::DebugUIBuffer;
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use raidillon_platform::PlatformContext;
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use std::any::TypeId;
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use std::cell::RefCell;
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use std::rc::Rc;
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use crate::input::InputState;
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use crate::resources::EngineResources;
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pub struct SystemContext<'a> {
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pub scene: &'a mut Scene,
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pub platform_context: PlatformContext,
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pub debug_ui_buffer: Rc<RefCell<DebugUIBuffer>>,
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pub input_state: Rc<RefCell<InputState>>,
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}
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pub trait System {
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/// Initialize the system.
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fn initialize(&mut self) {}
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/// Spawn the first entities of the world.
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fn load_world(&mut self, res: &mut EngineResources, scene: &mut Scene) {}
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fn handle_event(&mut self, res: &mut EngineResources, scene: &mut Scene) {}
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fn fixed_update(&mut self, res: &mut EngineResources, scene: &mut Scene) {}
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fn frame_update(&mut self, res: &mut EngineResources, scene: &mut Scene) {}
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}
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pub struct SystemManager {
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pub systems: IndexMap<TypeId, Box<dyn System>>,
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}
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impl SystemManager {
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pub fn new() -> Self {
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Self {
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systems: IndexMap::default(),
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}
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}
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pub fn add<S: System + Default + 'static>(&mut self) {
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self.systems
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.insert(TypeId::of::<S>(), Box::new(S::default()));
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}
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pub fn remove<S: 'static>(&mut self) {
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self.systems.shift_remove(&TypeId::of::<S>());
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}
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}
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