From 63cfcbe7a7745b276de58ec92e0141b958c44feb Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Sat, 10 Aug 2024 19:06:46 +0200
Subject: use unsafe blocks instead of mutexes

---
 src/sheet/loader.rs | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

(limited to 'src/sheet/loader.rs')

diff --git a/src/sheet/loader.rs b/src/sheet/loader.rs
index 613d2a5..35b6da2 100644
--- a/src/sheet/loader.rs
+++ b/src/sheet/loader.rs
@@ -1,20 +1,12 @@
-use std::{
-    collections::HashMap,
-    path::Path,
-    sync::{Mutex, MutexGuard},
-};
+use std::{collections::HashMap, path::Path, ptr::addr_of_mut};
 
-use lazy_static::lazy_static;
 use mlua::{Lua, UserData};
+use once_cell::sync::Lazy;
 
 use crate::lua::{ownedfunction::OwnedFunction, runnable::Runnable};
 
 use super::{register::SheetId, tablized::Tablized};
 
-lazy_static! {
-    static ref GLOBAL_LOADER: Mutex<Loader> = Mutex::new(Loader::new());
-}
-
 #[derive(Default)]
 pub struct Loader {
     loaders: HashMap<String, Box<dyn Runnable<String, Tablized>>>,
@@ -40,15 +32,16 @@ impl Loader {
         self.loaders.insert(extension, func);
     }
 
-    pub fn get() -> MutexGuard<'static, Loader> {
-        GLOBAL_LOADER.lock().unwrap()
+    pub fn get() -> &'static mut Self {
+        static mut GLOBAL_LOADER: Lazy<Loader> = Lazy::new(|| Loader::new());
+        unsafe { &mut *addr_of_mut!(GLOBAL_LOADER) }
     }
 }
 
 impl UserData for Loader {
     fn add_methods<'lua, M: mlua::prelude::LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
         methods.add_function("add", |_, (extension, func): (String, OwnedFunction)| {
-            GLOBAL_LOADER.lock().unwrap().add(extension, Box::new(func));
+            Loader::get().add(extension, Box::new(func));
             Ok(())
         });
     }
-- 
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