diff --git a/pumpkin/src/client/container.rs b/pumpkin/src/client/container.rs
index a4c0d9f72..02b37a8e3 100644
--- a/pumpkin/src/client/container.rs
+++ b/pumpkin/src/client/container.rs
@@ -16,7 +16,6 @@ use pumpkin_protocol::client::play::{
 use pumpkin_protocol::server::play::SClickContainer;
 use pumpkin_protocol::slot::Slot;
 use pumpkin_world::item::ItemStack;
-use std::ops::DerefMut;
 use std::sync::Arc;
 
 #[expect(unused)]
@@ -211,10 +210,8 @@ impl Player {
                 self.send_whole_container_change(server).await?;
             } else if let container_click::Slot::Normal(slot_index) = click.slot {
                 let mut inventory = self.inventory.lock().await;
-                let combined_container = OptionallyCombinedContainer::new(
-                    &mut inventory,
-                    Some(opened_container.deref_mut()),
-                );
+                let combined_container =
+                    OptionallyCombinedContainer::new(&mut inventory, Some(&mut *opened_container));
                 if let Some(slot) = combined_container.get_slot_excluding_inventory(slot_index) {
                     let slot = Slot::from(slot);
                     drop(opened_container);
diff --git a/pumpkin/src/entity/item.rs b/pumpkin/src/entity/item.rs
index c99556679..f4e34e592 100644
--- a/pumpkin/src/entity/item.rs
+++ b/pumpkin/src/entity/item.rs
@@ -3,6 +3,8 @@ use crate::entity::{random_float, Entity};
 use crate::server::Server;
 use crate::world::World;
 use crossbeam::atomic::AtomicCell;
+use pumpkin_core::math::position::WorldPosition;
+use pumpkin_core::math::vector2::Vector2;
 use pumpkin_core::math::vector3::Vector3;
 use pumpkin_entity::entity_type::EntityType;
 use pumpkin_entity::pose::EntityPose;
@@ -52,8 +54,8 @@ impl ItemEntity {
             entity_type: EntityType::Item,
             world,
             pos: AtomicCell::new(empty),
-            block_pos: AtomicCell::new(Default::default()),
-            chunk_pos: AtomicCell::new(Default::default()),
+            block_pos: AtomicCell::new(WorldPosition::default()),
+            chunk_pos: AtomicCell::new(Vector2::default()),
             sneaking: false.into(),
             sprinting: false.into(),
             fall_flying: false.into(),
@@ -97,17 +99,17 @@ impl ItemEntity {
         let player_pos = player_entity.pos.load();
         let pos = Vector3 {
             x: player_pos.x,
-            y: player_pos.y + player_entity.standing_eye_height as f64 - 0.3,
+            y: player_pos.y + f64::from(player_entity.standing_eye_height) - 0.3,
             z: player_pos.z,
         };
         Self::spawn(
             pos,
-            toss_velocity(player_entity).into(),
+            toss_velocity(player_entity),
             player_entity.world.clone(),
             item_stack,
             server,
         )
-        .await
+        .await;
     }
 
     pub(self) async fn check_pickup(self) -> PickupEvent {
@@ -247,7 +249,7 @@ impl ItemEntity {
                 || self.entity.velocity.load().horizontal_length_squared() > 1.0e-5
                 || ticks % 4 == 0
             {
-                self.entity.advance_position().await;
+                self.entity.advance_position();
                 self.entity.collision_check(true).await;
                 let on_ground = self.entity.on_ground.load(Ordering::Relaxed);
                 let slipperiness = 0.98 * if on_ground { 0.6 } else { 1. };
@@ -262,10 +264,8 @@ impl ItemEntity {
                     velocity.y = 0.;
                     velocity.x = 0.;
                 }
-                if on_ground {
-                    if velocity.y < 0. {
-                        velocity = velocity.multiply(1., -0.5, 1.);
-                    }
+                if on_ground && velocity.y < 0. {
+                    velocity = velocity.multiply(1., -0.5, 1.);
                 }
 
                 self.entity.velocity.store(velocity);
@@ -289,16 +289,16 @@ enum PickupEvent {
 
 fn toss_velocity(player: &Entity) -> Vector3<f64> {
     use std::f64::consts::PI;
-    let pitch_sin = f64::sin(player.pitch.load() as f64 * (PI / 180.0));
-    let pitch_cos = f64::cos(player.pitch.load() as f64 * (PI / 180.0));
-    let yaw_sin = f64::sin(player.yaw.load() as f64 * (PI / 180.0));
-    let yaw_cos = f64::cos(player.yaw.load() as f64 * (PI / 180.0));
+    let pitch_sin = f64::sin(f64::from(player.pitch.load()) * (PI / 180.0));
+    let pitch_cos = f64::cos(f64::from(player.pitch.load()) * (PI / 180.0));
+    let yaw_sin = f64::sin(f64::from(player.yaw.load()) * (PI / 180.0));
+    let yaw_cos = f64::cos(f64::from(player.yaw.load()) * (PI / 180.0));
     let random_angle = random_float() * (2.0 * PI);
     let random_offset = 0.02 * random_float();
 
     Vector3 {
-        x: (-yaw_sin * pitch_cos * 0.3) + f64::cos(random_angle) * random_offset,
-        y: -pitch_sin * 0.3 + 0.1 + (random_float() - random_float()) * 0.1,
-        z: (yaw_cos * pitch_cos * 0.3) + f64::sin(random_angle) * random_offset,
+        x: (-yaw_sin * pitch_cos).mul_add(0.3, f64::cos(random_angle) * random_offset),
+        y: (-pitch_sin).mul_add(0.3, (random_float() - random_float()).mul_add(0.1, 0.1)),
+        z: (yaw_cos * pitch_cos).mul_add(0.3, f64::sin(random_angle) * random_offset),
     }
 }
diff --git a/pumpkin/src/entity/mod.rs b/pumpkin/src/entity/mod.rs
index 27b52fb15..bcaacaf43 100644
--- a/pumpkin/src/entity/mod.rs
+++ b/pumpkin/src/entity/mod.rs
@@ -141,7 +141,7 @@ impl Entity {
         self.world.remove_entity(self).await;
     }
 
-    pub async fn advance_position(&self) {
+    pub fn advance_position(&self) {
         let mut velocity = self.velocity.load();
         let on_ground = self.on_ground.load(Ordering::Relaxed);
         if on_ground && velocity.y.is_sign_negative() {
@@ -164,7 +164,7 @@ impl Entity {
             let z_section = get_section_cord(future_position.z.floor() as i32);
             let chunk_pos = Vector2::new(x_section, z_section);
             if !chunks.contains(&chunk_pos) {
-                chunks.push(chunk_pos)
+                chunks.push(chunk_pos);
             }
         }
 
@@ -190,25 +190,25 @@ impl Entity {
                             z: future_position.z.floor(),
                             y: future_position.y.floor(),
                         }));
-                if !block_id.is_air() {
-                    if pos.y > future_position.y || !self.on_ground.load(Ordering::Relaxed) {
-                        let mut new_pos = pos;
-                        new_pos.y = pos.y.floor();
-                        if self.on_ground.load(Ordering::Relaxed) {
-                            let velocity = self.velocity.load();
-                            self.velocity.store(velocity.multiply(1., 0., 1.));
-                        }
-                        self.on_ground.store(true, Ordering::Relaxed);
-                        if snap {
-                            self.set_pos(new_pos.x, new_pos.y, new_pos.z);
-                        }
-                    }
-                } else {
+                if block_id.is_air() {
                     self.on_ground.store(false, Ordering::Relaxed);
+                } else if pos.y > future_position.y || !self.on_ground.load(Ordering::Relaxed) {
+                    let mut new_pos = pos;
+                    new_pos.y = pos.y.floor();
+                    if self.on_ground.load(Ordering::Relaxed) {
+                        let velocity = self.velocity.load();
+                        self.velocity.store(velocity.multiply(1., 0., 1.));
+                    }
+                    self.on_ground.store(true, Ordering::Relaxed);
+                    if snap {
+                        self.set_pos(new_pos.x, new_pos.y, new_pos.z);
+                    }
                 }
             }
         }
     }
+
+    #[allow(clippy::cast_precision_loss)]
     fn add_velocity_block_by_block(&self) -> Vec<Vector3<f64>> {
         let velocity = self.velocity.load();
         let pos = self.pos.load();
@@ -216,18 +216,18 @@ impl Entity {
             if velocity > 0. {
                 if velocity > 1. {
                     for i in (1..=(velocity.ceil() as i32)).rev() {
-                        out.push(i as f64);
+                        out.push(f64::from(i));
                     }
                 } else {
-                    out.push(1.)
+                    out.push(1.);
                 }
             } else if velocity < 0. {
                 if velocity < -1. {
                     for i in ((velocity.floor() as i32)..0).rev() {
-                        out.push(i as f64);
+                        out.push(f64::from(i));
                     }
                 } else {
-                    out.push(-1.)
+                    out.push(-1.);
                 }
             }
             out.iter_mut().for_each(|velocity| *velocity += pos.round());
@@ -247,7 +247,7 @@ impl Entity {
                 let increment = (last - first) / length as f64;
                 *other = (0..length)
                     .map(|i| first + increment * i as f64)
-                    .collect_vec()
+                    .collect_vec();
             }
         };
         let (x_len, y_len, z_len) = (x.len(), y.len(), z.len());
@@ -263,8 +263,8 @@ impl Entity {
         }
 
         x.into_iter()
-            .zip(y.into_iter())
-            .zip(z.into_iter())
+            .zip(y)
+            .zip(z)
             .map(|((x, y), z)| Vector3 { x, y, z })
             .collect_vec()
     }
@@ -272,9 +272,9 @@ impl Entity {
     pub async fn send_position(&self, old_position: Vector3<f64>, server: &Arc<Server>) {
         let pos = self.pos.load();
         let (dx, dy, dz) = (
-            pos.x * 4096. - old_position.x * 4096.,
-            pos.y * 4096. - old_position.y * 4096.,
-            pos.z * 4096. - old_position.z * 4096.,
+            pos.x.mul_add(4096., -(old_position.x * 4096.)),
+            pos.y.mul_add(4096., -(old_position.y * 4096.)),
+            pos.z.mul_add(4096., -(old_position.z * 4096.)),
         );
         server
             .broadcast_packet_all(&CUpdateEntityPos::new(
@@ -291,7 +291,7 @@ impl Entity {
         self.velocity.load();
         let entity_id = self.entity_id.into();
         let packet = CEntityVelocity::new(&entity_id, self.velocity.load());
-        server.broadcast_packet_all(&packet).await
+        server.broadcast_packet_all(&packet).await;
     }
     /// Applies knockback to the entity, following vanilla Minecraft's mechanics.
     ///
@@ -403,6 +403,7 @@ pub enum Flag {
     FallFlying,
 }
 
+#[must_use]
 pub fn random_float() -> f64 {
     rand::thread_rng().gen_range(0.0..=1.0)
 }
diff --git a/pumpkin/src/world/mod.rs b/pumpkin/src/world/mod.rs
index 160d04a52..95ec50fbe 100644
--- a/pumpkin/src/world/mod.rs
+++ b/pumpkin/src/world/mod.rs
@@ -212,7 +212,7 @@ impl World {
         let id = player.gameprofile.id;
         for (_, existing_player) in self.current_players.lock().await.iter().filter(|c| c.0 != &id) {
             let entity = &existing_player.living_entity.entity;
-            player.client.send_packet(&CSpawnEntity::from(entity)).await
+            player.client.send_packet(&CSpawnEntity::from(entity)).await;
         }
         // entity meta data
         // set skin parts
@@ -350,7 +350,7 @@ impl World {
 
     // Stream the chunks (don't collect them and then do stuff with them)
     pub fn receive_chunks(&self, chunks: Vec<Vector2<i32>>) -> Receiver<Arc<RwLock<ChunkData>>> {
-        if chunks.len() == 0 {
+        if chunks.is_empty() {
             return vec![];
         }
         let (sender, receive) = mpsc::channel(chunks.len());
@@ -381,16 +381,8 @@ impl World {
             item_count: 1,
         };
         ItemEntity::spawn(
-            Vector3 {
-                x: position.0.x as f64,
-                y: position.0.y as f64,
-                z: position.0.z as f64,
-            },
-            Vector3 {
-                x: 0.,
-                y: 0.,
-                z: 0.,
-            },
+            Vector3::default(),
+            Vector3::default(),
             self.clone(),
             fake_item_stack,
             server,