1 files changed, 0 insertions, 104 deletions
diff --git a/ecs/src/sole.rs b/ecs/src/sole.rs
deleted file mode 100644
index 82e5e0f..0000000
--- a/ecs/src/sole.rs
+++ /dev/null
@@ -1,104 +0,0 @@
-use std::any::{Any, type_name};
-use std::fmt::Debug;
-use std::marker::PhantomData;
-use std::ops::{Deref, DerefMut};
-use std::sync::Arc;
-
-use crate::World;
-use crate::lock::{Lock, WriteGuard};
-use crate::system::{Metadata as SystemMetadata, Param as SystemParam};
-
-/// A type which has a single instance and is shared globally.
-pub trait Sole: Any
-{
-    fn drop_last(&self) -> bool;
-
-    fn as_any_mut(&mut self) -> &mut dyn Any;
-
-    fn as_any(&self) -> &dyn Any;
-}
-
-impl dyn Sole
-{
-    pub fn downcast_mut<Real: 'static>(&mut self) -> Option<&mut Real>
-    {
-        self.as_any_mut().downcast_mut()
-    }
-
-    pub fn downcast_ref<Real: 'static>(&self) -> Option<&Real>
-    {
-        self.as_any().downcast_ref()
-    }
-}
-
-impl Debug for dyn Sole
-{
-    fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result
-    {
-        formatter.debug_struct("Sole").finish_non_exhaustive()
-    }
-}
-
-/// Holds a reference to a globally shared singleton value.
-#[derive(Debug)]
-pub struct Single<'world, SoleT: Sole>
-{
-    sole: WriteGuard<'world, Box<dyn Sole>>,
-    _ph: PhantomData<SoleT>,
-}
-
-impl<'world, SoleT> Single<'world, SoleT>
-where
-    SoleT: Sole,
-{
-    pub(crate) fn new(sole: &'world Arc<Lock<Box<dyn Sole>>>) -> Self
-    {
-        Self {
-            sole: sole.write_nonblock().unwrap_or_else(|_| {
-                panic!(
-                    "Failed to aquire read-write lock to single component {}",
-                    type_name::<SoleT>()
-                )
-            }),
-            _ph: PhantomData,
-        }
-    }
-}
-
-impl<'world, SoleT> SystemParam<'world> for Single<'world, SoleT>
-where
-    SoleT: Sole,
-{
-    type Input = ();
-
-    fn new(world: &'world World, _system_metadata: &SystemMetadata) -> Self
-    {
-        let sole = world.data.sole_storage.get::<SoleT>().unwrap_or_else(|| {
-            panic!("Sole {} was not found in world", type_name::<SoleT>())
-        });
-
-        Self::new(sole)
-    }
-}
-
-impl<SoleT> Deref for Single<'_, SoleT>
-where
-    SoleT: Sole,
-{
-    type Target = SoleT;
-
-    fn deref(&self) -> &Self::Target
-    {
-        self.sole.downcast_ref().unwrap()
-    }
-}
-
-impl<SoleT> DerefMut for Single<'_, SoleT>
-where
-    SoleT: Sole,
-{
-    fn deref_mut(&mut self) -> &mut Self::Target
-    {
-        self.sole.downcast_mut().unwrap()
-    }
-}