refactor: a few small efficiency improvements

src/commands.rs

@@ -9,7 +9,7 @@ use azalea::{
 use bevy_ecs::{entity::Entity, query::With};
 use futures::lock::Mutex;
 
-pub type Ctx<'a> = CommandContext<Mutex<CommandSource>>;
+pub type Ctx = CommandContext<Mutex<CommandSource>>;
 
 pub struct CommandSource {
     pub client: Client,

src/lua/client/movement.rs

@@ -1,6 +1,7 @@
 use super::{Client, Direction, Vec3};
 use azalea::{
     BlockPos, BotClientExt, LookAtEvent, SprintDirection, WalkDirection,
+    entity::Position,
     interact::HitResultComponent,
     pathfinder::{
         ExecutingPath, GotoEvent, Pathfinder, PathfinderClientExt,
@@ -187,7 +188,7 @@ pub fn pathfinder(lua: &Lua, client: &Client) -> Result<Table> {
 }
 
 pub fn position(_lua: &Lua, client: &Client) -> Result<Vec3> {
-    let p = client.position();
+    let p = client.component::<Position>();
     Ok(Vec3 {
         x: p.x,
         y: p.y,

src/main.rs

@@ -14,6 +14,8 @@ use futures::lock::Mutex;
 use mlua::Lua;
 use std::{net::SocketAddr, path::PathBuf, sync::Arc};
 
+const DEFAULT_SCRIPT_PATH: &str = "errornowatcher.lua";
+
 #[derive(Default, Clone, Component)]
 pub struct State {
     lua: Lua,
@@ -24,14 +26,22 @@ pub struct State {
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
     let args = arguments::Arguments::parse();
-    let script_path = args.script.unwrap_or(PathBuf::from("errornowatcher.lua"));
+    let script_path = args.script.unwrap_or(PathBuf::from(DEFAULT_SCRIPT_PATH));
 
     let lua = Lua::new();
-    lua.load(std::fs::read_to_string(&script_path)?).exec()?;
+    lua.load(
+        std::fs::read_to_string(&script_path)
+            .expect(&(DEFAULT_SCRIPT_PATH.to_owned() + " should be in current directory")),
+    )
+    .exec()?;
 
     let globals = lua.globals();
-    let server = globals.get::<String>("SERVER")?;
+    let server = globals
-    let username = globals.get::<String>("USERNAME")?;
+        .get::<String>("SERVER")
+        .expect("SERVER should be in lua globals");
+    let username = globals
+        .get::<String>("USERNAME")
+        .expect("USERNAME should be in lua globals");
 
     globals.set("script_path", script_path)?;
     lua::register_functions(&lua, &globals)?;