Enchantments (#286)

* start implementing enchants

* store parsed registries

* more work on enchants

* implement deserializer for some entity effects

* mostly working definitions for enchants

* fix tests

* detect equipment changes

* fix errors

* update changelog

* fix some imports

* remove outdated todo

* add basic test for enchants applying attributes

* use git simdnbt

1 files changed, 13 insertions, 8 deletions

diff --git a/azalea-client/src/client.rs b/azalea-client/src/client.rs
index 20e1cb3b..439f4d29 100644
--- a/azalea-client/src/client.rs
+++ b/azalea-client/src/client.rs
@@ -13,9 +13,10 @@ use azalea_core::{
     data_registry::ResolvableDataRegistry, identifier::Identifier, position::Vec3, tick::GameTick,
 };
 use azalea_entity::{
-    EntityUpdateSystems, PlayerAbilities, Position,
+    Attributes, EntityUpdateSystems, PlayerAbilities, Position,
     dimensions::EntityDimensions,
     indexing::{EntityIdIndex, EntityUuidIndex},
+    inventory::Inventory,
     metadata::Health,
 };
 use azalea_physics::local_player::PhysicsState;
@@ -33,7 +34,6 @@ use bevy_ecs::{
     schedule::{InternedScheduleLabel, LogLevel, ScheduleBuildSettings},
 };
 use parking_lot::{Mutex, RwLock};
-use simdnbt::owned::NbtCompound;
 use thiserror::Error;
 use tokio::{
     sync::{
@@ -54,7 +54,6 @@ use crate::{
     disconnect::DisconnectEvent,
     events::Event,
     interact::BlockStatePredictionHandler,
-    inventory::Inventory,
     join::{ConnectOpts, StartJoinServerEvent},
     local_player::{Hunger, InstanceHolder, PermissionLevel, TabList},
     mining::{self},
@@ -431,6 +430,12 @@ impl Client {
         (*self.component::<GameProfileComponent>()).clone()
     }
 
+    /// Returns the attribute values of our player, which can be used to
+    /// determine things like our movement speed.
+    pub fn attributes(&self) -> Attributes {
+        self.component::<Attributes>()
+    }
+
     /// A convenience function to get the Minecraft Uuid of a player by their
     /// username, if they're present in the tab list.
     ///
@@ -487,7 +492,7 @@ impl Client {
         &self,
         registry: &impl ResolvableDataRegistry,
     ) -> Option<Identifier> {
-        self.with_registry_holder(|registries| registry.resolve_name(registries))
+        self.with_registry_holder(|registries| registry.resolve_name(registries).cloned())
     }
     /// Resolve the given registry to its name and data and call the given
     /// function with it.
@@ -498,11 +503,11 @@ impl Client {
     /// instead.
     ///
     /// [`Enchantment`]: azalea_registry::Enchantment
-    pub fn with_resolved_registry<R>(
+    pub fn with_resolved_registry<R: ResolvableDataRegistry, Ret>(
         &self,
-        registry: impl ResolvableDataRegistry,
-        f: impl FnOnce(&Identifier, &NbtCompound) -> R,
-    ) -> Option<R> {
+        registry: R,
+        f: impl FnOnce(&Identifier, &R::DeserializesTo) -> Ret,
+    ) -> Option<Ret> {
         self.with_registry_holder(|registries| {
             registry
                 .resolve(registries)