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authorHampusM <hampus@hampusmat.com>2026-05-21 17:55:20 +0200
committerHampusM <hampus@hampusmat.com>2026-05-21 17:55:20 +0200
commit8022e8998290b067b8aa0cb9cba8ba410826bdab (patch)
tree7171e79ce530e03079046ee8fd12167160c45480 /ecs/examples/component_changed_event.rs
parent412cee02c252f91bcf0b70a3f5cc5fca6d2b4c62 (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.rs78
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();
-}