feat(ecs): allow control over component mutability in query

8 files changed, 15 insertions, 13 deletions

diff --git a/ecs/examples/event_loop.rs b/ecs/examples/event_loop.rs
index c9f7757..2365eb0 100644
--- a/ecs/examples/event_loop.rs
+++ b/ecs/examples/event_loop.rs
@@ -21,7 +21,7 @@ struct Name
     name: &'static str,
 }
 
-fn sheer(query: Query<(Wool, Name)>)
+fn sheer(query: Query<(&mut Wool, &Name)>)
 {
     for (mut wool, name) in &query {
         if wool.remaining == 0 {
@@ -37,7 +37,7 @@ fn sheer(query: Query<(Wool, Name)>)
     }
 }
 
-fn feed(query: Query<(Health, Name)>)
+fn feed(query: Query<(&mut Health, &Name)>)
 {
     for (mut health, name) in &query {
         health.health += 1;
@@ -46,7 +46,7 @@ fn feed(query: Query<(Health, Name)>)
     }
 }
 
-fn age(query: Query<(Health, Name)>, mut actions: Actions)
+fn age(query: Query<(&mut Health, &Name)>, mut actions: Actions)
 {
     for (mut health, name) in &query {
         if health.health <= 2 {
diff --git a/ecs/examples/extension.rs b/ecs/examples/extension.rs
index ddde32c..f6282e1 100644
--- a/ecs/examples/extension.rs
+++ b/ecs/examples/extension.rs
@@ -20,8 +20,8 @@ enum EvilnessLevel
 }
 
 fn spawn_enemies(
-    spawner_query: Query<(EnemySpawnSource, Position)>,
-    enemies_query: Query<(EvilnessLevel,)>,
+    spawner_query: Query<(&EnemySpawnSource, &Position)>,
+    enemies_query: Query<(&EvilnessLevel,)>,
     mut actions: Actions,
 )
 {
diff --git a/ecs/examples/multiple_queries.rs b/ecs/examples/multiple_queries.rs
index 1ae9d19..e0c957f 100644
--- a/ecs/examples/multiple_queries.rs
+++ b/ecs/examples/multiple_queries.rs
@@ -31,8 +31,8 @@ impl Display for EnemyName
 }
 
 fn do_attacks(
-    attacker_query: Query<(AttackStrength,)>,
-    enemy_query: Query<(Health, EnemyName)>,
+    attacker_query: Query<(&AttackStrength,)>,
+    enemy_query: Query<(&mut Health, &EnemyName)>,
 )
 {
     for (attack_strength,) in &attacker_query {
diff --git a/ecs/examples/optional_component.rs b/ecs/examples/optional_component.rs
index bcc0c54..488dad2 100644
--- a/ecs/examples/optional_component.rs
+++ b/ecs/examples/optional_component.rs
@@ -21,7 +21,7 @@ pub struct CatName
     name: String,
 }
 
-fn pet_cats(query: Query<(CatName, PettingCapacity, Option<Aggressivity>)>)
+fn pet_cats(query: Query<(&CatName, &mut PettingCapacity, &Option<Aggressivity>)>)
 {
     for (cat_name, mut petting_capacity, aggressivity) in &query {
         let Some(aggressivity) = aggressivity else {
diff --git a/ecs/examples/relationship.rs b/ecs/examples/relationship.rs
index 1b3d1de..240884a 100644
--- a/ecs/examples/relationship.rs
+++ b/ecs/examples/relationship.rs
@@ -19,7 +19,9 @@ struct Health
 
 struct Holding;
 
-fn print_player_stats(player_query: Query<(Player, Health, Relationship<Holding, Sword>)>)
+fn print_player_stats(
+    player_query: Query<(&Player, &Health, &Relationship<Holding, Sword>)>,
+)
 {
     for (_, health, sword_relationship) in &player_query {
         println!("Player health: {}", health.health);
diff --git a/ecs/examples/simple.rs b/ecs/examples/simple.rs
index 6429035..0169062 100644
--- a/ecs/examples/simple.rs
+++ b/ecs/examples/simple.rs
@@ -13,7 +13,7 @@ struct Greeting
     greeting: String,
 }
 
-fn say_hello(query: Query<(SomeData, Greeting)>)
+fn say_hello(query: Query<(&SomeData, &Greeting)>)
 {
     for (data, greeting) in &query {
         println!("{}: {}", greeting.greeting, data.num);
diff --git a/ecs/examples/with_local.rs b/ecs/examples/with_local.rs
index 0872dfc..4658fc0 100644
--- a/ecs/examples/with_local.rs
+++ b/ecs/examples/with_local.rs
@@ -21,7 +21,7 @@ struct SayHelloState
     cnt: usize,
 }
 
-fn say_hello(query: Query<(SomeData,)>, mut state: Local<SayHelloState>)
+fn say_hello(query: Query<(&SomeData,)>, mut state: Local<SayHelloState>)
 {
     for (data,) in &query {
         println!("Hello there. Count {}: {}", state.cnt, data.num);
@@ -30,7 +30,7 @@ fn say_hello(query: Query<(SomeData,)>, mut state: Local<SayHelloState>)
     }
 }
 
-fn say_whats_up(query: Query<(SomeData, Name)>, mut state: Local<SayHelloState>)
+fn say_whats_up(query: Query<(&SomeData, &Name)>, mut state: Local<SayHelloState>)
 {
     for (data, name) in &query {
         println!(
diff --git a/ecs/examples/with_sole.rs b/ecs/examples/with_sole.rs
index 47aa0b3..689e562 100644
--- a/ecs/examples/with_sole.rs
+++ b/ecs/examples/with_sole.rs
@@ -15,7 +15,7 @@ struct AmmoCounter
     counter: u32,
 }
 
-fn count_ammo(query: Query<(Ammo,)>, mut ammo_counter: Single<AmmoCounter>)
+fn count_ammo(query: Query<(&Ammo,)>, mut ammo_counter: Single<AmmoCounter>)
 {
     for (ammo,) in &query {
         println!("Found {} ammo", ammo.ammo_left);