feat(ecs): add EventMatch convenience fns for component eventsHEADmaster

3 files changed, 4 insertions, 16 deletions

diff --git a/ecs/examples/component_changed_event.rs b/ecs/examples/component_changed_event.rs
index 6dde384..1a53a88 100644
--- a/ecs/examples/component_changed_event.rs
+++ b/ecs/examples/component_changed_event.rs
@@ -33,13 +33,7 @@ fn print_changed_greetings(observe: Observe<'_, Pair<Changed, Greeting>>)
     println!("\nChanged greetings:");
 
     for evt_match in &observe {
-        let Some(changed_ent) = evt_match.get_entity() else {
-            continue;
-        };
-
-        let Some(greeting) = changed_ent.get::<Greeting>() else {
-            unreachable!();
-        };
+        let greeting = evt_match.get_changed_comp();
 
         println!("A greeting changed to {}", greeting.greeting);
     }
diff --git a/ecs/examples/component_events.rs b/ecs/examples/component_events.rs
index 4e7335f..af09ff9 100644
--- a/ecs/examples/component_events.rs
+++ b/ecs/examples/component_events.rs
@@ -33,9 +33,7 @@ fn eat_cheese(query: Query<(&Cheese, &mut CheeseCrumbs)>, mut actions: Actions)
 fn on_cheese_removed(observe: Observe<Pair<Removed, Cheese>>)
 {
     for evt_match in &observe {
-        let ent = evt_match.get_entity().unwrap();
-
-        let cheese = ent.get::<Cheese>().unwrap();
+        let cheese = evt_match.get_removed_comp();
 
         println!("{} cheese was eaten", cheese.name);
     }
@@ -44,9 +42,7 @@ fn on_cheese_removed(observe: Observe<Pair<Removed, Cheese>>)
 fn on_cheese_crumbs_changed(observe: Observe<Pair<Changed, CheeseCrumbs>>)
 {
     for evt_match in &observe {
-        let ent = evt_match.get_entity().unwrap();
-
-        let cheese_crumbs = ent.get::<CheeseCrumbs>().unwrap();
+        let cheese_crumbs = evt_match.get_changed_comp();
 
         println!("Cheese crumbs count changed to {}", cheese_crumbs.cnt);
     }
diff --git a/ecs/examples/component_removed_event.rs b/ecs/examples/component_removed_event.rs
index f984092..776aa48 100644
--- a/ecs/examples/component_removed_event.rs
+++ b/ecs/examples/component_removed_event.rs
@@ -24,9 +24,7 @@ fn eat_cheese(query: Query<(&Cheese,)>, mut actions: Actions)
 fn on_cheese_removed(observe: Observe<Pair<Removed, Cheese>>)
 {
     for evt_match in &observe {
-        let ent = evt_match.get_entity().unwrap();
-
-        let cheese = ent.get::<Cheese>().unwrap();
+        let cheese = evt_match.get_removed_comp();
 
         println!("{} cheese was eaten", cheese.name);
     }