Handle player packet id 0x23

Author: tuttarealstep

.gitignore

@@ -77,9 +77,7 @@ Cargo.lock
 
 # === PROJECT SPECIFIC ===
 # mc decompiled source
-mc-source-code/DecompilerMC/
-mc-source-code/src/
-mc-source-code/target/
+mc-source-code/
 
 plugins/*
 world/*

pumpkin-protocol/src/server/play/mod.rs

@@ -7,6 +7,7 @@ mod s_confirm_teleport;
 mod s_interact;
 mod s_keep_alive;
 mod s_ping_request;
+mod s_player_abilities;
 mod s_player_action;
 mod s_player_command;
 mod s_player_ground;
@@ -28,6 +29,7 @@ pub use s_confirm_teleport::*;
 pub use s_interact::*;
 pub use s_keep_alive::*;
 pub use s_ping_request::*;
+pub use s_player_abilities::*;
 pub use s_player_action::*;
 pub use s_player_command::*;
 pub use s_player_ground::*;

pumpkin-protocol/src/server/play/s_player_abilities.rs

@@ -0,0 +1,10 @@
+use pumpkin_macros::packet;
+use serde::Deserialize;
+
+//The vanilla client sends this packet when the player starts/stops flying. Bitmask 0x02 is set when the player is flying.
+
+#[derive(Deserialize)]
+#[packet(0x23)]
+pub struct SPlayerAbilities {
+    pub flags: i8,
+}

pumpkin/src/client/player_packet.rs

@@ -15,18 +15,17 @@ use pumpkin_core::{
 };
 use pumpkin_entity::EntityId;
 use pumpkin_inventory::{InventoryError, WindowType};
-use pumpkin_protocol::server::play::{SCloseContainer, SSetPlayerGround, SUseItem};
 use pumpkin_protocol::{
     client::play::{
         Animation, CAcknowledgeBlockChange, CBlockUpdate, CEntityAnimation, CEntityVelocity,
         CHeadRot, CHurtAnimation, CPingResponse, CPlayerChatMessage, CUpdateEntityPos,
         CUpdateEntityPosRot, CUpdateEntityRot, CWorldEvent, FilterType,
     },
     server::play::{
-        Action, ActionType, SChatCommand, SChatMessage, SClientInformationPlay, SConfirmTeleport,
-        SInteract, SPlayPingRequest, SPlayerAction, SPlayerCommand, SPlayerPosition,
-        SPlayerPositionRotation, SPlayerRotation, SSetCreativeSlot, SSetHeldItem, SSwingArm,
-        SUseItemOn, Status,
+        Action, ActionType, SChatCommand, SChatMessage, SClientInformationPlay, SCloseContainer,
+        SConfirmTeleport, SInteract, SPlayPingRequest, SPlayerAbilities, SPlayerAction,
+        SPlayerCommand, SPlayerPosition, SPlayerPositionRotation, SPlayerRotation,
+        SSetCreativeSlot, SSetHeldItem, SSetPlayerGround, SSwingArm, SUseItem, SUseItemOn, Status,
     },
 };
 use pumpkin_world::block::{BlockFace, BlockState};
@@ -468,6 +467,7 @@ impl Player {
             None => self.kick(TextComponent::text("Invalid action type")).await,
         }
     }
+
     pub async fn handle_player_action(&self, player_action: SPlayerAction) {
         match Status::from_i32(player_action.status.0) {
             Some(status) => match status {
@@ -541,6 +541,13 @@ impl Player {
         }
     }
 
+    pub async fn handle_player_abilities(&self, player_abilities: SPlayerAbilities) {
+        let mut abilities = self.abilities.lock().await;
+
+        // Set the flying ability
+        abilities.flying = player_abilities.flags & 0x02 != 0 && abilities.allow_flying;
+    }
+
     pub async fn handle_play_ping_request(&self, request: SPlayPingRequest) {
         self.client
             .send_packet(&CPingResponse::new(request.payload))

pumpkin/src/entity/player.rs

@@ -20,10 +20,7 @@ use pumpkin_protocol::{
         CSyncPlayerPosition, CSystemChatMessage, GameEvent, PlayerAction,
     },
     server::play::{
-        SChatCommand, SChatMessage, SClickContainer, SClientInformationPlay, SConfirmTeleport,
-        SInteract, SPlayPingRequest, SPlayerAction, SPlayerCommand, SPlayerPosition,
-        SPlayerPositionRotation, SPlayerRotation, SSetCreativeSlot, SSetHeldItem, SSetPlayerGround,
-        SSwingArm, SUseItem, SUseItemOn,
+        SChatCommand, SChatMessage, SClickContainer, SClientInformationPlay, SConfirmTeleport, SInteract, SPlayPingRequest, SPlayerAbilities, SPlayerAction, SPlayerCommand, SPlayerPosition, SPlayerPositionRotation, SPlayerRotation, SSetCreativeSlot, SSetHeldItem, SSetPlayerGround, SSwingArm, SUseItem, SUseItemOn
     },
     RawPacket, ServerPacket, VarInt,
 };
@@ -73,7 +70,7 @@ pub struct Player {
     /// This field represents the various abilities that the player possesses, such as flight, invulnerability, and other special effects.
     ///
     /// **Note:** When the `abilities` field is updated, the server should send a `send_abilities_update` packet to the client to notify them of the changes.
-    pub abilities: PlayerAbilities,
+    pub abilities: Mutex<PlayerAbilities>,
     /// The player's last known position.
     ///
     /// This field is used to calculate the player's movement delta for network synchronization and other purposes.
@@ -129,7 +126,7 @@ impl Player {
             open_container: AtomicCell::new(None),
             carried_item: AtomicCell::new(None),
             teleport_id_count: AtomicI32::new(0),
-            abilities: PlayerAbilities::default(),
+            abilities: Mutex::new(PlayerAbilities::default()),
             gamemode: AtomicCell::new(gamemode),
             watched_section: AtomicCell::new(Vector3::new(0, 0, 0)),
             last_position: AtomicCell::new(Vector3::new(0.0, 0.0, 0.0)),
@@ -157,7 +154,7 @@ impl Player {
     /// Updates the current abilities the Player has
     pub async fn send_abilties_update(&mut self) {
         let mut b = 0i8;
-        let abilities = &self.abilities;
+        let abilities = &self.abilities.lock().await;
 
         if abilities.invulnerable {
             b |= 1;
@@ -379,6 +376,11 @@ impl Player {
                     .await;
                 Ok(())
             }
+            SPlayerAbilities::PACKET_ID => {
+                self.handle_player_abilities(SPlayerAbilities::read(bytebuf)?)
+                    .await;
+                Ok(())
+            }
             SUseItemOn::PACKET_ID => {
                 self.handle_use_item_on(SUseItemOn::read(bytebuf)?).await;
                 Ok(())