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https://github.com/mat-1/azalea.git
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6eee543a33
Pathfinding is very much not done, but it works enough and I want to get this merged. TODO: fast replanning, goals that aren't a single node, falling moves (it should be able to play the dropper), parkour moves
78 lines
2.1 KiB
Rust
78 lines
2.1 KiB
Rust
use crate::{Client, Event};
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use async_trait::async_trait;
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use nohash_hasher::NoHashHasher;
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use std::{
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any::{Any, TypeId},
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collections::HashMap,
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hash::BuildHasherDefault,
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};
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// kind of based on https://docs.rs/http/latest/src/http/extensions.rs.html
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/// A map of plugin ids to Plugin trait objects. The client stores this so we
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/// can keep the state for our plugins.
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///
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/// If you're using azalea, you should generate this from the `plugins!` macro.
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#[derive(Clone)]
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pub struct Plugins {
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map: Option<HashMap<TypeId, Box<dyn Plugin>, BuildHasherDefault<NoHashHasher<u64>>>>,
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}
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impl Plugins {
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pub fn new() -> Self {
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Self { map: None }
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}
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pub fn add<T: Plugin>(&mut self, plugin: T) {
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if self.map.is_none() {
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self.map = Some(HashMap::with_hasher(BuildHasherDefault::default()));
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}
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self.map
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.as_mut()
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.unwrap()
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.insert(TypeId::of::<T>(), Box::new(plugin));
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}
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pub fn get<T: Plugin>(&self) -> Option<&T> {
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self.map
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.as_ref()
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.and_then(|map| map.get(&TypeId::of::<T>()))
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.and_then(|boxed| (boxed.as_ref() as &dyn Any).downcast_ref::<T>())
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}
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}
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impl IntoIterator for Plugins {
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type Item = Box<dyn Plugin>;
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type IntoIter = std::vec::IntoIter<Self::Item>;
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fn into_iter(self) -> Self::IntoIter {
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self.map
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.map(|map| map.into_iter().map(|(_, v)| v).collect::<Vec<_>>())
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.unwrap_or_default()
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.into_iter()
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}
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}
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/// Plugins can keep their own personal state, listen to events, and add new functions to Client.
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#[async_trait]
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pub trait Plugin: Send + Sync + PluginClone + Any + 'static {
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async fn handle(self: Box<Self>, event: Event, bot: Client);
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}
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/// An internal trait that allows Plugin to be cloned.
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#[doc(hidden)]
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pub trait PluginClone {
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fn clone_box(&self) -> Box<dyn Plugin>;
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}
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impl<T> PluginClone for T
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where
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T: 'static + Plugin + Clone,
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{
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fn clone_box(&self) -> Box<dyn Plugin> {
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Box::new(self.clone())
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}
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}
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impl Clone for Box<dyn Plugin> {
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fn clone(&self) -> Self {
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self.clone_box()
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}
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}
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