diff options
| author | HampusM <hampus@hampusmat.com> | 2026-05-21 17:55:20 +0200 |
|---|---|---|
| committer | HampusM <hampus@hampusmat.com> | 2026-05-21 17:55:20 +0200 |
| commit | 8022e8998290b067b8aa0cb9cba8ba410826bdab (patch) | |
| tree | 7171e79ce530e03079046ee8fd12167160c45480 /ecs/examples/component_changed_event.rs | |
| parent | 412cee02c252f91bcf0b70a3f5cc5fca6d2b4c62 (diff) | |
chore: rename ecs* crates to engine-ecs*
Diffstat (limited to 'ecs/examples/component_changed_event.rs')
| -rw-r--r-- | ecs/examples/component_changed_event.rs | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/ecs/examples/component_changed_event.rs b/ecs/examples/component_changed_event.rs deleted file mode 100644 index 2168df0..0000000 --- a/ecs/examples/component_changed_event.rs +++ /dev/null @@ -1,78 +0,0 @@ -use ecs::event::component::{Changed, EventMatchExt}; -use ecs::pair::Pair; -use ecs::phase::UPDATE as UPDATE_PHASE; -use ecs::system::observer::Observe; -use ecs::{Component, Query, World}; - -#[derive(Component)] -struct SomeData -{ - num: u64, -} - -#[derive(Component)] -struct Greeting -{ - greeting: String, -} - -fn say_hello(query: Query<(&SomeData, &mut Greeting)>) -{ - for (data, mut greeting) in &query { - println!("{}: {}", greeting.greeting, data.num); - - if greeting.greeting == "Good evening" { - greeting.greeting = "Good morning".to_string(); - greeting.set_changed(); - } - } -} - -fn print_changed_greetings(observe: Observe<'_, Pair<Changed, Greeting>>) -{ - println!("\nChanged greetings:"); - - for evt_match in &observe { - let greeting = evt_match.get_ent_target_comp(); - - println!("A greeting changed to {}", greeting.greeting); - } - - println!(""); -} - -fn main() -{ - let mut world = World::new(); - - world.register_system(*UPDATE_PHASE, say_hello); - - world.register_observer(print_changed_greetings); - - world.create_entity(( - SomeData { num: 987_654 }, - Greeting { - greeting: "Good afternoon".to_string(), - }, - )); - - world.create_entity(( - SomeData { num: 345 }, - Greeting { greeting: "Good evening".to_string() }, - )); - - world.step(); - - world.step(); - - for (mut greeting,) in &world.query::<(&mut Greeting,), ()>() { - if greeting.greeting == "Good afternoon" { - greeting.greeting = "Yo yo".to_string(); - greeting.set_changed(); - } - } - - world.step(); - - world.step(); -} |
