Expose now via Commands

ecs/src/commands.rs

@@ -1,5 +1,8 @@
 use anyhow::Result;
-use std::any::{Any, TypeId};
+use std::{
+    any::{Any, TypeId},
+    time::Duration,
+};
 
 use crate::{world::ComponentChange, *};
 
@@ -11,12 +14,23 @@ enum CommandsTypes {
     Event(TypeId, Box<dyn Any + Send + Sync>),
 }
 
-#[derive(Default)]
 pub struct Commands {
     commands: Vec<CommandsTypes>,
+    now: Duration,
 }
 
 impl Commands {
+    pub(crate) fn new(now: Duration) -> Self {
+        Self {
+            commands: Vec::new(),
+            now,
+        }
+    }
+
+    pub fn now(&self) -> Duration {
+        self.now
+    }
+
     pub fn insert_entity(&mut self, entity_object: EntityObject) -> Entity {
         let entity = entity_object.as_entity();
 

ecs/src/updates.rs

@@ -503,12 +503,14 @@ impl Archetype {
     }
 
     pub fn execute(&self, world: &mut World) -> Result<()> {
+        let mut commands = Commands::new(world.now());
+
         for (entity, callback) in self.entities.iter() {
-            let mut commands = Commands::default();
             callback(*entity, &mut commands, world)?;
-            commands.apply_deferred(world)?;
         }
 
+        commands.apply_deferred(world)?;
+
         Ok(())
     }
 
@@ -586,12 +588,14 @@ impl ArchetypePair {
     }
 
     pub(crate) fn execute(&self, world: &mut World) -> Result<()> {
+        let mut commands = Commands::new(world.now());
+
         for ((left_entity, right_entity), callback) in self.entities.iter() {
-            let mut commands = Commands::default();
             callback(*left_entity, *right_entity, &mut commands)?;
-            commands.apply_deferred(world)?;
         }
 
+        commands.apply_deferred(world)?;
+
         Ok(())
     }
 }