Broadcast equipment on player join

pumpkin-data/build/build.rs

@@ -83,5 +83,10 @@ pub fn write_generated_file(content: TokenStream, out_file: &str) {
 
     // Try to format the output for debugging purposes.
     // Doesn't matter if rustfmt is unavailable.
-    let _ = Command::new("rustfmt").arg(path).output();
+    let _ = Command::new("rustfmt").arg(&path).output();
+    // Try to auto optimize using clippy.
+    // Doesn't matter if rustfmt is unavailable.
+    let _ = Command::new("cargo clippy --fix --allow-dirty")
+        .arg(&path)
+        .output();
 }

pumpkin-inventory/src/equipment_slot.rs

@@ -125,7 +125,7 @@ impl EquipmentSlot {
         )
     }
 
-    pub fn discriminant(&self) -> i8 {
+    pub const fn discriminant(&self) -> i8 {
         match self {
             Self::MainHand(_) => 0,
             Self::OffHand(_) => 1,

pumpkin/src/world/mod.rs

@@ -41,11 +41,9 @@ use pumpkin_data::{
     world::{RAW, WorldEvent},
 };
 use pumpkin_data::{BlockDirection, block_properties::get_block_outline_shapes};
+use pumpkin_inventory::equipment_slot::EquipmentSlot;
 use pumpkin_macros::send_cancellable;
 use pumpkin_nbt::{compound::NbtCompound, to_bytes_unnamed};
-use pumpkin_protocol::client::play::{
-    CBlockEvent, CRemoveMobEffect, CSetEntityMetadata, MetaDataType, Metadata,
-};
 use pumpkin_protocol::codec::identifier::Identifier;
 use pumpkin_protocol::ser::serializer::Serializer;
 use pumpkin_protocol::{
@@ -57,6 +55,12 @@ use pumpkin_protocol::{
     },
     server::play::SChatMessage,
 };
+use pumpkin_protocol::{
+    client::play::{
+        CBlockEvent, CRemoveMobEffect, CSetEntityMetadata, CSetEquipment, MetaDataType, Metadata,
+    },
+    codec::item_stack_seralizer::ItemStackSerializer,
+};
 use pumpkin_protocol::{
     client::play::{
         CBlockUpdate, CDisguisedChatMessage, CExplosion, CRespawn, CSetBlockDestroyStage,
@@ -324,6 +328,15 @@ impl World {
     where
         P: ClientPacket,
     {
+        let current_players = self.players.read().await;
+        let players: Vec<_> = current_players
+            .iter()
+            .filter(|c| !except.contains(c.0))
+            .collect();
+        if players.is_empty() {
+            return;
+        }
+
         let mut packet_buf = Vec::new();
         if let Err(err) = packet.write(&mut packet_buf) {
             log::error!("Failed to serialize packet {}: {}", P::PACKET_ID, err);
@@ -331,8 +344,7 @@ impl World {
         }
         let packet_data: Bytes = packet_buf.into();
 
-        let current_players = self.players.read().await;
-        for (_, player) in current_players.iter().filter(|c| !except.contains(c.0)) {
+        for (_, player) in players {
             player.client.enqueue_packet_data(packet_data.clone()).await;
         }
     }
@@ -828,6 +840,32 @@ impl World {
             .await;
 
         player.send_active_effects().await;
+        self.send_player_equipment(&player).await;
+    }
+
+    async fn send_player_equipment(&self, from: &Player) {
+        let mut equipment_list = Vec::new();
+
+        equipment_list.push((
+            EquipmentSlot::MAIN_HAND.discriminant(),
+            *from.inventory.held_item().lock().await,
+        ));
+
+        for (slot, item_arc_mutex) in &from.inventory.entity_equipment.lock().await.equipment {
+            let item_guard = item_arc_mutex.lock().await;
+            let item_stack = *item_guard;
+            equipment_list.push((slot.discriminant(), item_stack));
+        }
+
+        let equipment: Vec<(i8, ItemStackSerializer)> = equipment_list
+            .iter()
+            .map(|(slot, stack)| (*slot, ItemStackSerializer::from(*stack)))
+            .collect();
+        self.broadcast_packet_except(
+            &[from.get_entity().entity_uuid],
+            &CSetEquipment::new(from.entity_id().into(), equipment),
+        )
+        .await;
     }
 
     pub async fn send_world_info(
@@ -1127,9 +1165,8 @@ impl World {
 
     /// Gets a `Player` by a username
     pub async fn get_player_by_name(&self, name: &str) -> Option<Arc<Player>> {
-        let lowercase = name.to_lowercase();
         for player in self.players.read().await.values() {
-            if player.gameprofile.name.to_lowercase() == lowercase {
+            if player.gameprofile.name.eq_ignore_ascii_case(name) {
                 return Some(player.clone());
             }
         }