diff options
-rw-r--r-- | ecs-macros/src/lib.rs | 24 | ||||
-rw-r--r-- | ecs/src/component.rs | 185 | ||||
-rw-r--r-- | ecs/src/component/storage.rs | 44 | ||||
-rw-r--r-- | ecs/src/component/storage/archetype.rs | 6 | ||||
-rw-r--r-- | ecs/src/component/storage/graph.rs | 17 | ||||
-rw-r--r-- | ecs/src/lib.rs | 58 | ||||
-rw-r--r-- | ecs/src/lock.rs | 95 | ||||
-rw-r--r-- | ecs/src/query.rs | 10 | ||||
-rw-r--r-- | ecs/src/relationship.rs | 72 | ||||
-rw-r--r-- | ecs/src/sole.rs | 11 | ||||
-rw-r--r-- | ecs/src/system/stateful.rs | 7 | ||||
-rw-r--r-- | ecs/src/type_name.rs | 15 |
12 files changed, 247 insertions, 297 deletions
diff --git a/ecs-macros/src/lib.rs b/ecs-macros/src/lib.rs index 862b0b1..a5acc2b 100644 --- a/ecs-macros/src/lib.rs +++ b/ecs-macros/src/lib.rs @@ -120,7 +120,6 @@ pub fn component_derive(input: TokenStream) -> TokenStream }; use #ecs_path::uid::{Uid, Kind as UidKind}; use #ecs_path::system::Input as SystemInput; - use #ecs_path::type_name::TypeName; use super::*; @@ -139,6 +138,11 @@ pub fn component_derive(input: TokenStream) -> TokenStream #get_id } + fn name(&self) -> &'static str + { + std::any::type_name::<Self>() + } + fn get_event_uid(&self, event_kind: ComponentEventKind) -> Uid { match event_kind { @@ -156,15 +160,6 @@ pub fn component_derive(input: TokenStream) -> TokenStream #where_clause { } - - impl #impl_generics TypeName for #item_ident #type_generics - #where_clause - { - fn type_name(&self) -> &'static str - { - std::any::type_name::<Self>() - } - } } } .into() @@ -204,15 +199,6 @@ pub fn sole_derive(input: TokenStream) -> TokenStream self } } - - impl #impl_generics #ecs_path::type_name::TypeName for #item_ident #type_generics - #where_clause - { - fn type_name(&self) -> &'static str - { - std::any::type_name::<Self>() - } - } } .into() } diff --git a/ecs/src/component.rs b/ecs/src/component.rs index 525bd98..c01fd75 100644 --- a/ecs/src/component.rs +++ b/ecs/src/component.rs @@ -1,4 +1,5 @@ use std::any::{type_name, Any}; +use std::error::Error; use std::fmt::Debug; use std::ops::{Deref, DerefMut}; @@ -11,34 +12,32 @@ use crate::event::component::{ }; use crate::lock::{ Error as LockError, - Lock, MappedReadGuard, MappedWriteGuard, ReadGuard, WriteGuard, }; use crate::system::Input as SystemInput; -use crate::type_name::TypeName; use crate::uid::Uid; use crate::util::Array; -use crate::World; +use crate::{EntityComponentRef, World}; pub mod local; pub(crate) mod storage; -pub trait Component: SystemInput + Any + TypeName +pub trait Component: SystemInput + Any { /// The component type in question. Will usually be `Self` type Component: Component where Self: Sized; - type HandleMut<'component>: FromLockedOptional<'component> + type HandleMut<'component>: HandleFromEntityComponentRef<'component> where Self: Sized; - type Handle<'component>: FromLockedOptional<'component> + type Handle<'component>: HandleFromEntityComponentRef<'component> where Self: Sized; @@ -47,6 +46,9 @@ pub trait Component: SystemInput + Any + TypeName where Self: Sized; + /// Returns the name of this component. + fn name(&self) -> &'static str; + /// Returns the component UID of a component event for this component. fn get_event_uid(&self, event_kind: ComponentEventKind) -> Uid; @@ -92,19 +94,11 @@ impl Debug for dyn Component } } -impl TypeName for Box<dyn Component> -{ - fn type_name(&self) -> &'static str - { - self.as_ref().type_name() - } -} - impl<ComponentT> Component for Option<ComponentT> where ComponentT: Component, - for<'a> Option<ComponentT::Handle<'a>>: FromLockedOptional<'a>, - for<'a> Option<ComponentT::HandleMut<'a>>: FromLockedOptional<'a>, + for<'a> Option<ComponentT::Handle<'a>>: HandleFromEntityComponentRef<'a>, + for<'a> Option<ComponentT::HandleMut<'a>>: HandleFromEntityComponentRef<'a>, { type Component = ComponentT; type Handle<'component> = Option<ComponentT::Handle<'component>>; @@ -115,6 +109,11 @@ where ComponentT::id() } + fn name(&self) -> &'static str + { + type_name::<Self>() + } + fn get_event_uid(&self, event_kind: ComponentEventKind) -> Uid { match event_kind { @@ -133,16 +132,6 @@ where } } -impl<ComponentT> TypeName for Option<ComponentT> -where - ComponentT: Component, -{ - fn type_name(&self) -> &'static str - { - type_name::<Self>() - } -} - impl<ComponentT> SystemInput for Option<ComponentT> where ComponentT: Component {} /// A sequence of components. @@ -166,7 +155,7 @@ pub trait Sequence pub trait Ref { type Component: Component; - type Handle<'component>: FromLockedOptional<'component>; + type Handle<'component>: HandleFromEntityComponentRef<'component>; } impl<ComponentT> Ref for &ComponentT @@ -212,16 +201,15 @@ impl Metadata } } -pub trait FromLockedOptional<'comp>: Sized +pub trait HandleFromEntityComponentRef<'comp>: Sized { - /// Converts a reference to a optional locked boxed component to a instance of `Self`. - /// - /// # Errors - /// Returns `Err` if taking the lock (in a non-blocking way) fails. - fn from_locked_optional_component( - optional_component: Option<&'comp Lock<Box<dyn Component>>>, + type Error: Error; + + /// Creates a new handle instance from a [`EntityComponentRef`]. + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'comp>>, world: &'comp World, - ) -> Result<Self, LockError>; + ) -> Result<Self, Self::Error>; } #[derive(Debug)] @@ -238,8 +226,7 @@ impl<'a, ComponentT: Component> Handle<'a, ComponentT> inner: inner.map(|component| { component.downcast_ref::<ComponentT>().unwrap_or_else(|| { panic!( - "Cannot downcast component {} to type {}", - component.type_name(), + "Failed to downcast component to type {}", type_name::<ComponentT>() ); }) @@ -248,36 +235,49 @@ impl<'a, ComponentT: Component> Handle<'a, ComponentT> } } -impl<'component, ComponentT: Component> FromLockedOptional<'component> - for Handle<'component, ComponentT> +impl<'comp, ComponentT: Component> HandleFromEntityComponentRef<'comp> + for Handle<'comp, ComponentT> { - fn from_locked_optional_component( - optional_component: Option<&'component crate::lock::Lock<Box<dyn Component>>>, - _world: &'component World, - ) -> Result<Self, LockError> - { - let component = optional_component.unwrap_or_else(|| { - panic!( - "Component {} was not found in entity", - type_name::<ComponentT>() - ); - }); + type Error = HandleError; - Ok(Self::new(component.read_nonblock()?)) + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'comp>>, + _world: &'comp World, + ) -> Result<Self, Self::Error> + { + let entity_comp = + entity_component_ref.ok_or(HandleError::ComponentDoesNotExist)?; + + Ok(Self::new( + entity_comp + .component() + .read_nonblock() + .map_err(AcquireComponentLockFailed)?, + )) } } -impl<'comp, ComponentT> FromLockedOptional<'comp> for Option<Handle<'comp, ComponentT>> +impl<'comp, ComponentT> HandleFromEntityComponentRef<'comp> + for Option<Handle<'comp, ComponentT>> where ComponentT: Component, { - fn from_locked_optional_component( - optional_component: Option<&'comp Lock<Box<dyn Component>>>, + type Error = HandleError; + + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'comp>>, _world: &'comp World, - ) -> Result<Self, LockError> + ) -> Result<Self, Self::Error> { - optional_component - .map(|lock| Ok(Handle::new(lock.read_nonblock()?))) + entity_component_ref + .map(|entity_comp| { + Ok(Handle::new( + entity_comp + .component() + .read_nonblock() + .map_err(AcquireComponentLockFailed)?, + )) + }) .transpose() } } @@ -304,11 +304,9 @@ impl<'a, ComponentT: Component> HandleMut<'a, ComponentT> { Self { inner: inner.map(|component| { - let component_type_name = component.type_name(); - component.downcast_mut::<ComponentT>().unwrap_or_else(|| { panic!( - "Cannot downcast component {component_type_name} to type {}", + "Failed to downcast component to type {}", type_name::<ComponentT>() ); }) @@ -317,36 +315,49 @@ impl<'a, ComponentT: Component> HandleMut<'a, ComponentT> } } -impl<'component, ComponentT: Component> FromLockedOptional<'component> - for HandleMut<'component, ComponentT> +impl<'comp, ComponentT: Component> HandleFromEntityComponentRef<'comp> + for HandleMut<'comp, ComponentT> { - fn from_locked_optional_component( - optional_component: Option<&'component Lock<Box<dyn Component>>>, - _world: &'component World, - ) -> Result<Self, LockError> - { - let component = optional_component.unwrap_or_else(|| { - panic!( - "Component {} was not found in entity", - type_name::<ComponentT>() - ); - }); + type Error = HandleError; - Ok(Self::new(component.write_nonblock()?)) + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'comp>>, + _world: &'comp World, + ) -> Result<Self, Self::Error> + { + let entity_comp = + entity_component_ref.ok_or(HandleError::ComponentDoesNotExist)?; + + Ok(Self::new( + entity_comp + .component() + .write_nonblock() + .map_err(AcquireComponentLockFailed)?, + )) } } -impl<'comp, ComponentT> FromLockedOptional<'comp> for Option<HandleMut<'comp, ComponentT>> +impl<'comp, ComponentT> HandleFromEntityComponentRef<'comp> + for Option<HandleMut<'comp, ComponentT>> where ComponentT: Component, { - fn from_locked_optional_component( - optional_component: Option<&'comp Lock<Box<dyn Component>>>, + type Error = HandleError; + + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'comp>>, _world: &'comp World, - ) -> Result<Self, LockError> + ) -> Result<Self, Self::Error> { - optional_component - .map(|lock| Ok(HandleMut::new(lock.write_nonblock()?))) + entity_component_ref + .map(|entity_comp| { + Ok(HandleMut::new( + entity_comp + .component() + .write_nonblock() + .map_err(AcquireComponentLockFailed)?, + )) + }) .transpose() } } @@ -369,6 +380,20 @@ impl<ComponentT: Component> DerefMut for HandleMut<'_, ComponentT> } } +#[derive(Debug, thiserror::Error)] +pub enum HandleError +{ + #[error(transparent)] + AcquireComponentLockFailed(#[from] AcquireComponentLockFailed), + + #[error("Component does not exist")] + ComponentDoesNotExist, +} + +#[derive(Debug, thiserror::Error)] +#[error(transparent)] +pub struct AcquireComponentLockFailed(LockError); + macro_rules! inner { ($c: tt) => { seq!(I in 0..=$c { diff --git a/ecs/src/component/storage.rs b/ecs/src/component/storage.rs index 40909fb..14aa191 100644 --- a/ecs/src/component/storage.rs +++ b/ecs/src/component/storage.rs @@ -1,4 +1,3 @@ -use std::any::type_name; use std::array::IntoIter as ArrayIter; use std::cell::RefCell; use std::vec::IntoIter as VecIntoIter; @@ -18,7 +17,6 @@ use crate::component::storage::graph::{ Graph, }; use crate::component::Component; -use crate::type_name::TypeName; use crate::uid::{Kind as UidKind, Uid}; use crate::util::{BorrowedOrOwned, Either, StreamingIterator, VecExt}; @@ -161,11 +159,13 @@ impl Storage pub fn add_entity_component( &mut self, entity_uid: Uid, - component: (Uid, Box<dyn Component>), + (component_id, component_name, component): ( + Uid, + &'static str, + Box<dyn Component>, + ), ) -> Result<(), Error> { - let (component_id, component) = component; - debug_assert!( !component.self_is_optional(), "Adding a optional component to a entity is not supported" @@ -212,17 +212,12 @@ impl Storage None => { let archetype_node = self .graph - .get_node_by_id_mut(archetype_id) + .get_node_by_id(archetype_id) .expect("Archetype should exist"); let (add_edge_id, add_edge_comp_ids) = archetype_node.make_add_edge(component_id); - archetype_node - .get_edges_mut(component_id) - .expect("Edges for component in archetype should exist") - .add = Some(add_edge_id); - if !self.graph.contains_archetype(add_edge_id) { self.graph.create_node(add_edge_id, &add_edge_comp_ids); } @@ -231,18 +226,6 @@ impl Storage } }; - { - let add_edge_archetype_node = self - .graph - .get_node_by_id_mut(add_edge_archetype_id) - .expect("Add edge archetype should exist"); - - let add_edge_archetype_edges = add_edge_archetype_node - .get_or_insert_edges(component_id, ArchetypeEdges::default); - - add_edge_archetype_edges.remove = Some(archetype_id); - } - let archetype_node = self .graph .get_node_by_id_mut(archetype_id) @@ -261,7 +244,7 @@ impl Storage entity.insert_component( component_id, - ArchetypeEntityComponent::new(component), + ArchetypeEntityComponent::new(component, component_name), add_edge_archetype, ); @@ -312,11 +295,6 @@ impl Storage let (remove_edge_id, remove_edge_comp_ids) = archetype_node.make_remove_edge(component_id); - archetype_node - .get_edges_mut(component_id) - .expect("Edges for component in archetype should exist") - .remove = Some(remove_edge_id); - if !self.graph.contains_archetype(remove_edge_id) { self.graph .create_node(remove_edge_id, &remove_edge_comp_ids); @@ -415,14 +393,6 @@ impl Storage } } -impl TypeName for Storage -{ - fn type_name(&self) -> &'static str - { - type_name::<Self>() - } -} - #[cfg(feature = "vizoxide")] impl Storage { diff --git a/ecs/src/component/storage/archetype.rs b/ecs/src/component/storage/archetype.rs index 5306cf9..8d48e13 100644 --- a/ecs/src/component/storage/archetype.rs +++ b/ecs/src/component/storage/archetype.rs @@ -215,11 +215,11 @@ pub struct EntityComponent impl EntityComponent { - pub fn new(component: Box<dyn Component>) -> Self + pub fn new(component: Box<dyn Component>, component_name: &'static str) -> Self { Self { - name: component.type_name(), - component: Lock::new(component), + name: component_name, + component: Lock::new(component, component_name), } } diff --git a/ecs/src/component/storage/graph.rs b/ecs/src/component/storage/graph.rs index 11160e7..d38223a 100644 --- a/ecs/src/component/storage/graph.rs +++ b/ecs/src/component/storage/graph.rs @@ -140,7 +140,7 @@ impl Graph } fn create_missing_subset_node_edges( - target_node: &ArchetypeNode, + target_node: &mut ArchetypeNode, subset_node: &mut ArchetypeNode, ) { @@ -153,6 +153,14 @@ impl Graph subset_node .get_or_insert_edges(uniq_comp_id, ArchetypeEdges::default) .add = Some(subset_node.make_add_edge(uniq_comp_id).0); + + if target_node.archetype().component_cnt() + == subset_node.archetype().component_cnt() + 1 + { + target_node + .get_or_insert_edges(uniq_comp_id, ArchetypeEdges::default) + .remove = Some(subset_node.archetype().id()); + } } fn create_missing_superset_node_edges( @@ -245,13 +253,6 @@ impl ArchetypeNode self.edges.iter() } - pub fn get_edges_mut(&mut self, component_id: Uid) -> Option<&mut ArchetypeEdges> - { - debug_assert_eq!(component_id.kind(), UidKind::Component); - - self.edges.get_mut(&component_id) - } - pub fn make_add_edge(&self, component_id: Uid) -> (ArchetypeId, Vec<Uid>) { let mut edge_comp_ids = self diff --git a/ecs/src/lib.rs b/ecs/src/lib.rs index 32d82bc..3f0042c 100644 --- a/ecs/src/lib.rs +++ b/ecs/src/lib.rs @@ -31,7 +31,6 @@ use crate::relationship::{ChildOf, DependsOn, Relationship}; use crate::sole::Sole; use crate::stats::Stats; use crate::system::{System, SystemComponent}; -use crate::type_name::TypeName; use crate::uid::{Kind as UidKind, Uid}; pub mod actions; @@ -39,7 +38,7 @@ pub mod component; pub mod entity; pub mod event; pub mod extension; -pub mod lock; +mod lock; pub mod phase; pub mod query; pub mod relationship; @@ -47,7 +46,6 @@ pub mod sole; pub mod stats; pub mod system; pub mod tuple; -pub mod type_name; pub mod uid; pub mod util; @@ -511,9 +509,10 @@ impl World ) { for (component_id, component) in components { - if let Err(err) = component_storage - .add_entity_component(entity_uid, (component_id, component)) - { + if let Err(err) = component_storage.add_entity_component( + entity_uid, + (component_id, component.name(), component), + ) { tracing::error!("Failed to add component to entity: {err}"); } } @@ -588,7 +587,7 @@ pub enum StepResult Stop, } -#[derive(Debug, Default)] +#[derive(Debug)] pub struct WorldData { component_storage: Arc<Lock<ComponentStorage>>, @@ -596,6 +595,21 @@ pub struct WorldData action_queue: Arc<ActionQueue>, } +impl Default for WorldData +{ + fn default() -> Self + { + Self { + component_storage: Arc::new(Lock::new( + ComponentStorage::default(), + type_name::<ComponentStorage>(), + )), + sole_storage: SoleStorage::default(), + action_queue: Arc::new(ActionQueue::default()), + } + } +} + #[derive(Debug)] pub struct EntityComponentRef<'a> { @@ -604,7 +618,7 @@ pub struct EntityComponentRef<'a> impl<'a> EntityComponentRef<'a> { - pub fn component(&self) -> &'a Lock<Box<dyn Component>> + fn component(&self) -> &'a Lock<Box<dyn Component>> { self.comp.component() } @@ -623,7 +637,7 @@ enum ActiveActionQueue B, } -#[derive(Debug, Default)] +#[derive(Debug)] struct ActionQueue { queue_a: Lock<Vec<Action>>, @@ -650,11 +664,15 @@ impl ActionQueue } } -impl TypeName for ActionQueue +impl Default for ActionQueue { - fn type_name(&self) -> &'static str + fn default() -> Self { - type_name::<Self>() + Self { + queue_a: Lock::new(Vec::new(), type_name::<Vec<Action>>()), + queue_b: Lock::new(Vec::new(), type_name::<Vec<Action>>()), + active_queue: RefCell::new(ActiveActionQueue::default()), + } } } @@ -699,7 +717,7 @@ impl SoleStorage self.storage.insert( sole_type_id, ManuallyDrop::new(StoredSole { - sole: Arc::new(Lock::new(Box::new(sole))), + sole: Arc::new(Lock::new(Box::new(sole), type_name::<SoleT>())), drop_last, }), ); @@ -716,18 +734,9 @@ impl Drop for SoleStorage for sole in self.storage.values_mut() { if sole.drop_last { - tracing::trace!( - "Sole {} pushed to dropping last queue", - sole.sole.read_nonblock().unwrap().type_name() - ); - soles_to_drop_last.push(sole); continue; } - tracing::trace!( - "Dropping sole {}", - sole.sole.read_nonblock().unwrap().type_name() - ); unsafe { ManuallyDrop::drop(sole); @@ -735,11 +744,6 @@ impl Drop for SoleStorage } for sole in &mut soles_to_drop_last { - tracing::trace!( - "Dropping sole {} last", - sole.sole.read_nonblock().unwrap().type_name() - ); - unsafe { ManuallyDrop::drop(sole); } diff --git a/ecs/src/lock.rs b/ecs/src/lock.rs index d6ed40e..0b36922 100644 --- a/ecs/src/lock.rs +++ b/ecs/src/lock.rs @@ -9,23 +9,21 @@ use parking_lot::{ RwLockWriteGuard, }; -use crate::type_name::TypeName; - -#[derive(Debug, Default)] +#[derive(Debug)] pub struct Lock<Value> -where - Value: TypeName, { inner: RwLock<Value>, + value_type_name: &'static str, } impl<Value> Lock<Value> -where - Value: TypeName, { - pub fn new(value: Value) -> Self + pub fn new(value: Value, value_type_name: &'static str) -> Self { - Self { inner: RwLock::new(value) } + Self { + inner: RwLock::new(value), + value_type_name, + } } /// Tries to a acquire a handle to the resource with read access. @@ -36,9 +34,12 @@ where { let guard = self.inner.try_read().ok_or(Error::ReadUnavailable)?; - tracing::trace!("Acquired lock to value of type {}", guard.type_name()); + tracing::trace!("Acquired lock to value of type {}", self.value_type_name); - Ok(ReadGuard { inner: guard }) + Ok(ReadGuard { + inner: guard, + value_type_name: self.value_type_name, + }) } /// Tries to a acquire a handle to the resource with mutable access. @@ -51,15 +52,13 @@ where tracing::trace!( "Acquired mutable lock to value of type {}", - guard.type_name() + self.value_type_name ); - Ok(WriteGuard { inner: guard }) - } - - pub fn into_inner(self) -> Value - { - self.inner.into_inner() + Ok(WriteGuard { + inner: guard, + value_type_name: self.value_type_name, + }) } } @@ -75,23 +74,20 @@ pub enum Error #[derive(Debug)] pub struct ReadGuard<'guard, Value> -where - Value: TypeName, { inner: RwLockReadGuard<'guard, Value>, + value_type_name: &'static str, } impl<'guard, Value> ReadGuard<'guard, Value> -where - Value: TypeName, { pub fn map<NewValue>( self, func: impl FnOnce(&Value) -> &NewValue, ) -> MappedReadGuard<'guard, NewValue> - where - NewValue: TypeName, { + let value_type_name = self.value_type_name; + // The 'inner' field cannot be moved out of ReadGuard in a normal way since // ReadGuard implements Drop let inner = unsafe { std::ptr::read(&self.inner) }; @@ -99,13 +95,12 @@ where MappedReadGuard { inner: RwLockReadGuard::map(inner, func), + value_type_name, } } } impl<Value> Deref for ReadGuard<'_, Value> -where - Value: TypeName, { type Target = Value; @@ -116,26 +111,21 @@ where } impl<Value> Drop for ReadGuard<'_, Value> -where - Value: TypeName, { fn drop(&mut self) { - tracing::trace!("Dropped lock to value of type {}", self.type_name()); + tracing::trace!("Dropped lock to value of type {}", self.value_type_name); } } #[derive(Debug)] pub struct MappedReadGuard<'guard, Value> -where - Value: TypeName, { inner: MappedRwLockReadGuard<'guard, Value>, + value_type_name: &'static str, } impl<Value> Deref for MappedReadGuard<'_, Value> -where - Value: TypeName, { type Target = Value; @@ -146,34 +136,32 @@ where } impl<Value> Drop for MappedReadGuard<'_, Value> -where - Value: TypeName, { fn drop(&mut self) { - tracing::trace!("Dropped mapped lock to value of type {}", self.type_name()); + tracing::trace!( + "Dropped mapped lock to value of type {}", + self.value_type_name + ); } } #[derive(Debug)] pub struct WriteGuard<'guard, Value> -where - Value: TypeName, { inner: RwLockWriteGuard<'guard, Value>, + value_type_name: &'static str, } impl<'guard, Value> WriteGuard<'guard, Value> -where - Value: TypeName, { pub fn map<NewValue>( self, func: impl FnOnce(&mut Value) -> &mut NewValue, ) -> MappedWriteGuard<'guard, NewValue> - where - NewValue: TypeName, { + let value_type_name = self.value_type_name; + // The 'inner' field cannot be moved out of ReadGuard in a normal way since // ReadGuard implements Drop let inner = unsafe { std::ptr::read(&self.inner) }; @@ -181,13 +169,12 @@ where MappedWriteGuard { inner: RwLockWriteGuard::map(inner, func), + value_type_name, } } } impl<Value> Deref for WriteGuard<'_, Value> -where - Value: TypeName, { type Target = Value; @@ -198,8 +185,6 @@ where } impl<Value> DerefMut for WriteGuard<'_, Value> -where - Value: TypeName, { fn deref_mut(&mut self) -> &mut Self::Target { @@ -208,26 +193,24 @@ where } impl<Value> Drop for WriteGuard<'_, Value> -where - Value: TypeName, { fn drop(&mut self) { - tracing::trace!("Dropped mutable lock to value of type {}", self.type_name()); + tracing::trace!( + "Dropped mutable lock to value of type {}", + self.value_type_name + ); } } #[derive(Debug)] pub struct MappedWriteGuard<'guard, Value> -where - Value: TypeName, { inner: MappedRwLockWriteGuard<'guard, Value>, + value_type_name: &'static str, } impl<Value> Deref for MappedWriteGuard<'_, Value> -where - Value: TypeName, { type Target = Value; @@ -238,8 +221,6 @@ where } impl<Value> DerefMut for MappedWriteGuard<'_, Value> -where - Value: TypeName, { fn deref_mut(&mut self) -> &mut Self::Target { @@ -248,14 +229,12 @@ where } impl<Value> Drop for MappedWriteGuard<'_, Value> -where - Value: TypeName, { fn drop(&mut self) { tracing::trace!( "Dropped mapped mutable lock to value of type {}", - self.type_name() + self.value_type_name ); } } diff --git a/ecs/src/query.rs b/ecs/src/query.rs index b29db3d..f642156 100644 --- a/ecs/src/query.rs +++ b/ecs/src/query.rs @@ -3,7 +3,7 @@ use std::marker::PhantomData; use seq_macro::seq; -use crate::component::{Component, FromLockedOptional, Ref as ComponentRef}; +use crate::component::{Component, HandleFromEntityComponentRef, Ref as ComponentRef}; use crate::entity::Handle as EntityHandle; use crate::query::flexible::{Iter as FlexibleQueryIter, Query as FlexibleQuery}; use crate::system::{Param as SystemParam, System}; @@ -314,15 +314,13 @@ impl<ComponentRefT: ComponentRef> TermWithField for ComponentRefT world: &'world World, ) -> Self::Field<'world> { - Self::Field::from_locked_optional_component( - entity_handle - .get_component(ComponentRefT::Component::id()) - .map(|component| component.component()), + Self::Field::from_entity_component_ref( + entity_handle.get_component(ComponentRefT::Component::id()), world, ) .unwrap_or_else(|err| { panic!( - "Taking component {} lock failed: {err}", + "Creating handle to component {} failed: {err}", type_name::<ComponentRefT::Component>() ); }) diff --git a/ecs/src/relationship.rs b/ecs/src/relationship.rs index 45fa265..c5399e4 100644 --- a/ecs/src/relationship.rs +++ b/ecs/src/relationship.rs @@ -6,13 +6,14 @@ use ecs_macros::Component; use crate::component::storage::Storage as ComponentStorage; use crate::component::{ Component, - FromLockedOptional as FromLockedOptionalComponent, Handle as ComponentHandle, + HandleError as ComponentHandleError, + HandleFromEntityComponentRef, HandleMut as ComponentHandleMut, }; -use crate::lock::{Error as LockError, Lock, ReadGuard}; +use crate::lock::ReadGuard; use crate::uid::{Kind as UidKind, Uid}; -use crate::World; +use crate::{EntityComponentRef, World}; /// A relationship to one or more targets. #[derive(Debug, Component)] @@ -70,22 +71,24 @@ where relationship_comp: ComponentHandleMut<'rel_comp, Relationship<Kind, ComponentT>>, } -impl<'rel_comp, Kind, ComponentT> FromLockedOptionalComponent<'rel_comp> +impl<'rel_comp, Kind, ComponentT> HandleFromEntityComponentRef<'rel_comp> for RelationMut<'rel_comp, Kind, ComponentT> where ComponentT: Component, { - fn from_locked_optional_component( - optional_component: Option<&'rel_comp crate::lock::Lock<Box<dyn Component>>>, + type Error = ComponentHandleError; + + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'rel_comp>>, world: &'rel_comp World, - ) -> Result<Self, LockError> + ) -> Result<Self, Self::Error> { - let relationship_comp_handle_from_locked_opt_comp = ComponentHandleMut::< + let relationship_comp_handle_from_ent_comp_ref = ComponentHandleMut::< Relationship<Kind, ComponentT>, - >::from_locked_optional_component; + >::from_entity_component_ref; let relationship_comp = - relationship_comp_handle_from_locked_opt_comp(optional_component, world)?; + relationship_comp_handle_from_ent_comp_ref(entity_component_ref, world)?; let component_storage_lock = world .data @@ -100,19 +103,21 @@ where } } -impl<'rel_comp, Kind, ComponentT> FromLockedOptionalComponent<'rel_comp> +impl<'rel_comp, Kind, ComponentT> HandleFromEntityComponentRef<'rel_comp> for Option<RelationMut<'rel_comp, Kind, ComponentT>> where ComponentT: Component, { - fn from_locked_optional_component( - optional_component: Option<&'rel_comp Lock<Box<dyn Component>>>, + type Error = ComponentHandleError; + + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'rel_comp>>, world: &'rel_comp World, - ) -> Result<Self, crate::lock::Error> + ) -> Result<Self, Self::Error> { - optional_component - .map(|component| { - RelationMut::from_locked_optional_component(Some(component), world) + entity_component_ref + .map(|entity_comp| { + RelationMut::from_entity_component_ref(Some(entity_comp), world) }) .transpose() } @@ -292,22 +297,23 @@ where relationship_comp: ComponentHandle<'rel_comp, Relationship<Kind, ComponentT>>, } -impl<'rel_comp, Kind, ComponentT> FromLockedOptionalComponent<'rel_comp> +impl<'rel_comp, Kind, ComponentT> HandleFromEntityComponentRef<'rel_comp> for Relation<'rel_comp, Kind, ComponentT> where ComponentT: Component, { - fn from_locked_optional_component( - optional_component: Option<&'rel_comp Lock<Box<dyn Component>>>, + type Error = ComponentHandleError; + + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'rel_comp>>, world: &'rel_comp World, - ) -> Result<Self, LockError> + ) -> Result<Self, Self::Error> { - let relationship_comp_handle_from_locked_opt_comp = ComponentHandle::< - Relationship<Kind, ComponentT>, - >::from_locked_optional_component; + let relationship_comp_handle_from_ent_comp_ref = + ComponentHandle::<Relationship<Kind, ComponentT>>::from_entity_component_ref; let relationship_comp = - relationship_comp_handle_from_locked_opt_comp(optional_component, world)?; + relationship_comp_handle_from_ent_comp_ref(entity_component_ref, world)?; let component_storage_lock = world .data @@ -322,19 +328,21 @@ where } } -impl<'rel_comp, Kind, ComponentT> FromLockedOptionalComponent<'rel_comp> +impl<'rel_comp, Kind, ComponentT> HandleFromEntityComponentRef<'rel_comp> for Option<Relation<'rel_comp, Kind, ComponentT>> where ComponentT: Component, { - fn from_locked_optional_component( - optional_component: Option<&'rel_comp Lock<Box<dyn Component>>>, + type Error = ComponentHandleError; + + fn from_entity_component_ref( + entity_component_ref: Option<EntityComponentRef<'rel_comp>>, world: &'rel_comp World, - ) -> Result<Self, crate::lock::Error> + ) -> Result<Self, ComponentHandleError> { - optional_component - .map(|component| { - Relation::from_locked_optional_component(Some(component), world) + entity_component_ref + .map(|entity_comp| { + Relation::from_entity_component_ref(Some(entity_comp), world) }) .transpose() } diff --git a/ecs/src/sole.rs b/ecs/src/sole.rs index 5af5ce3..1cce419 100644 --- a/ecs/src/sole.rs +++ b/ecs/src/sole.rs @@ -6,11 +6,10 @@ use std::sync::{Arc, Weak}; use crate::lock::{Lock, WriteGuard}; use crate::system::{Param as SystemParam, System}; -use crate::type_name::TypeName; use crate::World; /// A type which has a single instance and is shared globally. -pub trait Sole: Any + TypeName +pub trait Sole: Any { fn drop_last(&self) -> bool; @@ -40,14 +39,6 @@ impl Debug for dyn Sole } } -impl TypeName for Box<dyn Sole> -{ - fn type_name(&self) -> &'static str - { - self.as_ref().type_name() - } -} - /// Holds a reference to a globally shared singleton value. #[derive(Debug)] pub struct Single<'world, SoleT: Sole> diff --git a/ecs/src/system/stateful.rs b/ecs/src/system/stateful.rs index 9d911ee..5415cc7 100644 --- a/ecs/src/system/stateful.rs +++ b/ecs/src/system/stateful.rs @@ -1,4 +1,4 @@ -use std::any::{Any, TypeId}; +use std::any::{type_name, Any, TypeId}; use std::panic::{RefUnwindSafe, UnwindSafe}; use hashbrown::HashMap; @@ -127,7 +127,10 @@ macro_rules! impl_system { self.local_components .insert( LocalComponent::id(), - Lock::new(Box::new(local_component)) + Lock::new( + Box::new(local_component), + type_name::<LocalComponent>() + ) ); } } diff --git a/ecs/src/type_name.rs b/ecs/src/type_name.rs deleted file mode 100644 index 54179be..0000000 --- a/ecs/src/type_name.rs +++ /dev/null @@ -1,15 +0,0 @@ -use std::any::type_name; - -pub trait TypeName -{ - /// Returns the name of this type. - fn type_name(&self) -> &'static str; -} - -impl<Item> TypeName for Vec<Item> -{ - fn type_name(&self) -> &'static str - { - type_name::<Self>() - } -} |