azalea_client/plugins/packet/game/

mod.rs

mod events;

use std::{collections::HashSet, sync::Arc};

use azalea_core::{
    delta::PositionDelta8,
    entity_id::MinecraftEntityId,
    game_type::GameMode,
    position::{ChunkPos, Vec3},
};
use azalea_entity::{
    Dead, EntityBundle, EntityKindComponent, HasClientLoaded, LoadedBy, LocalEntity, LookDirection,
    Physics, PlayerAbilities, Position,
    effect_events::{AddEffectEvent, RemoveEffectsEvent},
    indexing::{EntityIdIndex, EntityUuidIndex},
    inventory::Inventory,
    metadata::{Health, apply_metadata},
};
use azalea_protocol::{
    common::movements::MoveFlags,
    packets::{
        ConnectionProtocol,
        game::{c_move_entity_pos_rot::CompactLookDirection, *},
    },
};
use azalea_registry::builtin::EntityKind;
use azalea_world::{PartialWorld, WorldName, Worlds};
use bevy_ecs::{prelude::*, system::SystemState};
pub use events::*;
use tracing::{debug, error, warn};

use crate::{
    ClientInformation,
    block_update::QueuedServerBlockUpdates,
    chat::{ChatPacket, ChatReceivedEvent},
    chunks,
    connection::RawConnection,
    cookies::{RequestCookieEvent, StoreCookieEvent},
    disconnect::DisconnectEvent,
    interact::BlockStatePredictionHandler,
    inventory::{ClientsideCloseContainerEvent, MenuOpenedEvent, SetContainerContentEvent},
    local_player::{Experience, Hunger, LocalGameMode, TabList, WorldHolder},
    movement::{KnockbackData, KnockbackEvent},
    packet::{
        as_system, declare_packet_handlers,
        relative_updates::{EntityUpdateQuery, RelativeEntityUpdate, should_apply_entity_update},
    },
    player::{GameProfileComponent, PlayerInfo},
    tick_counter::TicksConnected,
};

pub fn process_packet(ecs: &mut World, player: Entity, packet: &ClientboundGamePacket) {
    let mut handler = GamePacketHandler { player, ecs };

    // the order of these doesn't matter, that's decided by the protocol library
    declare_packet_handlers!(
        ClientboundGamePacket,
        packet,
        handler,
        [
            login,
            set_chunk_cache_radius,
            chunk_batch_start,
            chunk_batch_finished,
            custom_payload,
            change_difficulty,
            commands,
            player_abilities,
            set_cursor_item,
            update_tags,
            disconnect,
            update_recipes,
            entity_event,
            player_position,
            player_info_update,
            player_info_remove,
            set_chunk_cache_center,
            chunks_biomes,
            light_update,
            level_chunk_with_light,
            add_entity,
            set_entity_data,
            update_attributes,
            set_entity_motion,
            set_entity_link,
            initialize_border,
            set_time,
            set_default_spawn_position,
            set_health,
            set_experience,
            teleport_entity,
            update_advancements,
            rotate_head,
            move_entity_pos,
            move_entity_pos_rot,
            move_entity_rot,
            keep_alive,
            remove_entities,
            player_chat,
            system_chat,
            disguised_chat,
            sound,
            level_event,
            block_update,
            animate,
            section_blocks_update,
            game_event,
            level_particles,
            server_data,
            set_equipment,
            update_mob_effect,
            award_stats,
            block_changed_ack,
            block_destruction,
            block_entity_data,
            block_event,
            boss_event,
            command_suggestions,
            container_set_content,
            container_set_data,
            container_set_slot,
            container_close,
            cooldown,
            custom_chat_completions,
            delete_chat,
            explode,
            forget_level_chunk,
            mount_screen_open,
            map_item_data,
            merchant_offers,
            move_vehicle,
            open_book,
            open_screen,
            open_sign_editor,
            ping,
            place_ghost_recipe,
            player_combat_end,
            player_combat_enter,
            player_combat_kill,
            player_look_at,
            remove_mob_effect,
            resource_pack_push,
            resource_pack_pop,
            respawn,
            start_configuration,
            entity_position_sync,
            select_advancements_tab,
            set_action_bar_text,
            set_border_center,
            set_border_lerp_size,
            set_border_size,
            set_border_warning_delay,
            set_border_warning_distance,
            set_camera,
            set_display_objective,
            set_objective,
            set_passengers,
            set_player_team,
            set_score,
            set_simulation_distance,
            set_subtitle_text,
            set_title_text,
            set_titles_animation,
            clear_titles,
            sound_entity,
            stop_sound,
            tab_list,
            tag_query,
            take_item_entity,
            bundle_delimiter,
            damage_event,
            hurt_animation,
            ticking_state,
            ticking_step,
            reset_score,
            cookie_request,
            debug_sample,
            pong_response,
            store_cookie,
            transfer,
            move_minecart_along_track,
            set_held_slot,
            set_player_inventory,
            projectile_power,
            custom_report_details,
            server_links,
            player_rotation,
            recipe_book_add,
            recipe_book_remove,
            recipe_book_settings,
            test_instance_block_status,
            waypoint,
            clear_dialog,
            show_dialog,
            debug_block_value,
            debug_chunk_value,
            debug_entity_value,
            debug_event,
            game_test_highlight_pos,
        ]
    );
}

pub struct GamePacketHandler<'a> {
    pub ecs: &'a mut World,
    pub player: Entity,
}
impl GamePacketHandler<'_> {
    pub fn login(&mut self, p: &ClientboundLogin) {
        debug!("Got login packet");

        as_system::<(
            Commands,
            Query<
                (
                    &GameProfileComponent,
                    &ClientInformation,
                    Option<&mut WorldName>,
                    Option<&mut LoadedBy>,
                    &mut EntityIdIndex,
                    &mut WorldHolder,
                ),
                With<LocalEntity>,
            >,
            MessageWriter<WorldLoadedEvent>,
            ResMut<Worlds>,
            ResMut<EntityUuidIndex>,
            Query<&mut LoadedBy, Without<LocalEntity>>,
        )>(
            self.ecs,
            |(
                mut commands,
                mut query,
                mut world_loaded_events,
                mut worlds,
                mut entity_uuid_index,
                mut loaded_by_query,
            )| {
                let (
                    game_profile,
                    client_information,
                    world_name,
                    loaded_by,
                    mut entity_id_index,
                    mut world_holder,
                ) = query.get_mut(self.player).unwrap();

                let new_world_name = WorldName(p.common.dimension.clone());

                if let Some(mut world_name) = world_name {
                    *world_name = new_world_name.clone();
                } else {
                    commands.entity(self.player).insert(new_world_name.clone());
                }

                let weak_world;
                {
                    let client_registries = &world_holder.shared.read().registries;

                    let Some((_dimension_type, dimension_data)) =
                        p.common.dimension_type(client_registries)
                    else {
                        return;
                    };

                    // add this world to the `worlds` (or don't, if it's already there)
                    weak_world = worlds.get_or_insert(
                        new_world_name.clone(),
                        dimension_data.height,
                        dimension_data.min_y,
                        client_registries,
                    );
                    world_loaded_events.write(WorldLoadedEvent {
                        entity: self.player,
                        name: new_world_name.clone(),
                        world: Arc::downgrade(&weak_world),
                    });
                }

                // set the partial world to an empty world (when we add chunks or entities those
                // will be in the `worlds`)

                *world_holder.partial.write() = PartialWorld::new(
                    azalea_world::chunk::calculate_chunk_storage_range(
                        client_information.view_distance.into(),
                    ),
                    // this argument makes it so other clients don't update this player entity in a
                    // shared world
                    Some(self.player),
                );
                {
                    let client_registries = world_holder.shared.read().registries.clone();
                    let shared_registries = &mut weak_world.write().registries;
                    // add the registries from this world to the weak world
                    shared_registries.extend(client_registries);
                }
                world_holder.shared = weak_world;

                let entity_bundle = EntityBundle::new(
                    game_profile.uuid,
                    Vec3::ZERO,
                    EntityKind::Player,
                    new_world_name,
                );
                let entity_id = p.player_id;
                // insert our components into the ecs :)
                commands.entity(self.player).insert((
                    entity_id,
                    LocalGameMode {
                        current: p.common.game_type,
                        previous: p.common.previous_game_type.into(),
                    },
                    entity_bundle,
                    TicksConnected(0),
                ));

                azalea_entity::indexing::add_entity_to_indexes(
                    entity_id,
                    self.player,
                    Some(game_profile.uuid),
                    &mut entity_id_index,
                    &mut entity_uuid_index,
                    &mut world_holder.shared.write(),
                );

                // every entity is now unloaded by this player
                for mut loaded_by in &mut loaded_by_query.iter_mut() {
                    loaded_by.remove(&self.player);
                }

                // update or insert loaded_by
                if let Some(mut loaded_by) = loaded_by {
                    loaded_by.insert(self.player);
                } else {
                    commands
                        .entity(self.player)
                        .insert(LoadedBy(HashSet::from_iter(vec![self.player])));
                }
            },
        );
    }

    pub fn set_chunk_cache_radius(&mut self, p: &ClientboundSetChunkCacheRadius) {
        debug!("Got set chunk cache radius packet {p:?}");
    }

    pub fn chunk_batch_start(&mut self, _p: &ClientboundChunkBatchStart) {
        // the packet is empty, it's just a marker to tell us when the batch starts and
        // ends
        debug!("Got chunk batch start");

        as_system::<MessageWriter<_>>(self.ecs, |mut events| {
            events.write(chunks::ChunkBatchStartEvent {
                entity: self.player,
            });
        });
    }

    pub fn chunk_batch_finished(&mut self, p: &ClientboundChunkBatchFinished) {
        debug!("Got chunk batch finished {p:?}");

        as_system::<MessageWriter<_>>(self.ecs, |mut events| {
            events.write(chunks::ChunkBatchFinishedEvent {
                entity: self.player,
                batch_size: p.batch_size,
            });
        });
    }

    pub fn custom_payload(&mut self, p: &ClientboundCustomPayload) {
        debug!("Got custom payload packet {p:?}");
    }

    pub fn change_difficulty(&mut self, p: &ClientboundChangeDifficulty) {
        debug!("Got difficulty packet {p:?}");
    }

    pub fn commands(&mut self, _p: &ClientboundCommands) {
        debug!("Got declare commands packet");
    }

    pub fn player_abilities(&mut self, p: &ClientboundPlayerAbilities) {
        debug!("Got player abilities packet {p:?}");

        as_system::<Query<&mut PlayerAbilities>>(self.ecs, |mut query| {
            let mut player_abilities = query.get_mut(self.player).unwrap();

            *player_abilities = PlayerAbilities::from(p);
        });
    }

    pub fn set_cursor_item(&mut self, p: &ClientboundSetCursorItem) {
        debug!("Got set cursor item packet {p:?}");
    }

    pub fn update_tags(&mut self, _p: &ClientboundUpdateTags) {
        debug!("Got update tags packet");
    }

    pub fn disconnect(&mut self, p: &ClientboundDisconnect) {
        warn!("Got disconnect packet {p:?}");

        as_system::<MessageWriter<_>>(self.ecs, |mut events| {
            events.write(DisconnectEvent {
                entity: self.player,
                reason: Some(p.reason.clone()),
            });
        });
    }

    pub fn update_recipes(&mut self, _p: &ClientboundUpdateRecipes) {
        debug!("Got update recipes packet");
    }

    pub fn entity_event(&mut self, _p: &ClientboundEntityEvent) {
        // debug!("Got entity event packet {p:?}");
    }

    pub fn player_position(&mut self, p: &ClientboundPlayerPosition) {
        debug!("Got player position packet {p:?}");

        as_system::<(
            Query<(&mut Physics, &mut LookDirection, &mut Position)>,
            Commands,
        )>(self.ecs, |(mut query, mut commands)| {
            let Ok((mut physics, mut direction, mut position)) = query.get_mut(self.player) else {
                return;
            };

            p.relative
                .apply(&p.change, &mut position, &mut direction, &mut physics);
            // old_pos is set to the current position when we're teleported
            physics.set_old_pos(*position);

            // send the relevant packets
            commands.trigger(SendGamePacketEvent::new(
                self.player,
                ServerboundAcceptTeleportation { id: p.id },
            ));
            commands.trigger(SendGamePacketEvent::new(
                self.player,
                ServerboundMovePlayerPosRot {
                    pos: **position,
                    look_direction: *direction,
                    flags: MoveFlags::default(),
                },
            ));
        });
    }

    pub fn player_info_update(&mut self, p: &ClientboundPlayerInfoUpdate) {
        debug!("Got player info packet {p:?}");

        as_system::<(
            Query<&mut TabList>,
            MessageWriter<AddPlayerEvent>,
            MessageWriter<UpdatePlayerEvent>,
            ResMut<TabList>,
        )>(
            self.ecs,
            |(
                mut query,
                mut add_player_events,
                mut update_player_events,
                mut tab_list_resource,
            )| {
                let mut tab_list = query.get_mut(self.player).unwrap();

                for updated_info in &p.entries {
                    // add the new player maybe
                    if p.actions.add_player {
                        let info = PlayerInfo {
                            profile: updated_info.profile.clone(),
                            uuid: updated_info.profile.uuid,
                            gamemode: updated_info.game_mode,
                            latency: updated_info.latency,
                            display_name: updated_info.display_name.clone(),
                        };
                        tab_list.insert(updated_info.profile.uuid, info.clone());
                        add_player_events.write(AddPlayerEvent {
                            entity: self.player,
                            info,
                        });
                    } else if let Some(info) = tab_list.get_mut(&updated_info.profile.uuid) {
                        // `else if` because the block for add_player above
                        // already sets all the fields
                        if p.actions.update_game_mode {
                            info.gamemode = updated_info.game_mode;
                        }
                        if p.actions.update_latency {
                            info.latency = updated_info.latency;
                        }
                        if p.actions.update_display_name {
                            info.display_name.clone_from(&updated_info.display_name);
                        }
                        update_player_events.write(UpdatePlayerEvent {
                            entity: self.player,
                            info: info.clone(),
                        });
                    } else {
                        let uuid = updated_info.profile.uuid;
                        debug!("Ignoring PlayerInfoUpdate for unknown player {uuid}");
                    }
                }

                *tab_list_resource = tab_list.clone();
            },
        );
    }

    pub fn player_info_remove(&mut self, p: &ClientboundPlayerInfoRemove) {
        debug!("Got chunk cache center packet {p:?}");

        as_system::<(
            Query<&mut TabList>,
            MessageWriter<RemovePlayerEvent>,
            ResMut<TabList>,
        )>(
            self.ecs,
            |(mut query, mut remove_player_events, mut tab_list_resource)| {
                let mut tab_list = query.get_mut(self.player).unwrap();

                for uuid in &p.profile_ids {
                    if let Some(info) = tab_list.remove(uuid) {
                        remove_player_events.write(RemovePlayerEvent {
                            entity: self.player,
                            info,
                        });
                    }
                    tab_list_resource.remove(uuid);
                }
            },
        );
    }

    pub fn set_chunk_cache_center(&mut self, p: &ClientboundSetChunkCacheCenter) {
        debug!("Got chunk cache center packet {p:?}");

        as_system::<Query<&WorldHolder>>(self.ecs, |mut query| {
            let world_holder = query.get_mut(self.player).unwrap();
            let mut partial_world = world_holder.partial.write();

            partial_world
                .chunks
                .update_view_center(ChunkPos::new(p.x, p.z));
        });
    }

    pub fn chunks_biomes(&mut self, _p: &ClientboundChunksBiomes) {}

    pub fn light_update(&mut self, _p: &ClientboundLightUpdate) {
        // debug!("Got light update packet {p:?}");
    }

    pub fn level_chunk_with_light(&mut self, p: &ClientboundLevelChunkWithLight) {
        debug!("Got chunk with light packet {} {}", p.x, p.z);

        as_system::<MessageWriter<_>>(self.ecs, |mut events| {
            events.write(chunks::ReceiveChunkEvent {
                entity: self.player,
                packet: p.clone(),
            });
        });
    }

    pub fn add_entity(&mut self, p: &ClientboundAddEntity) {
        debug!("Got add entity packet {p:?}");

        as_system::<(
            Commands,
            Query<(&mut EntityIdIndex, Option<&WorldName>, Option<&TabList>)>,
            Query<&mut LoadedBy>,
            Query<Entity>,
            Res<Worlds>,
            ResMut<EntityUuidIndex>,
        )>(
            self.ecs,
            |(
                mut commands,
                mut query,
                mut loaded_by_query,
                entity_query,
                worlds,
                mut entity_uuid_index,
            )| {
                let (mut entity_id_index, world_name, tab_list) =
                    query.get_mut(self.player).unwrap();

                let entity_id = p.id;

                let Some(world_name) = world_name else {
                    warn!("got add player packet but we haven't gotten a login packet yet");
                    return;
                };

                // check if the entity already exists, and if it does then only add to LoadedBy
                let world = worlds.get(world_name).unwrap();
                if let Some(&ecs_entity) = world.read().entity_by_id.get(&entity_id) {
                    // entity already exists
                    let Ok(mut loaded_by) = loaded_by_query.get_mut(ecs_entity) else {
                        // LoadedBy for this entity isn't in the ecs! figure out what went wrong
                        // and print an error

                        let entity_in_ecs = entity_query.get(ecs_entity).is_ok();

                        if entity_in_ecs {
                            error!(
                                "LoadedBy for entity {entity_id:?} ({ecs_entity:?}) isn't in the ecs, but the entity is in entity_by_id"
                            );
                        } else {
                            error!(
                                "Entity {entity_id:?} ({ecs_entity:?}) isn't in the ecs, but the entity is in entity_by_id"
                            );
                        }
                        return;
                    };
                    loaded_by.insert(self.player);

                    // per-client id index
                    entity_id_index.insert(entity_id, ecs_entity);

                    debug!("added to LoadedBy of entity {ecs_entity:?} with id {entity_id:?}");
                    return;
                };

                // entity doesn't exist in the global index!

                let bundle = p.as_entity_bundle(world_name.to_owned());
                let mut spawned =
                    commands.spawn((entity_id, LoadedBy(HashSet::from([self.player])), bundle));
                let ecs_entity: Entity = spawned.id();
                debug!(
                    "spawned entity {ecs_entity:?} with id {entity_id:?} at {pos:?}",
                    pos = p.position
                );

                azalea_entity::indexing::add_entity_to_indexes(
                    entity_id,
                    ecs_entity,
                    Some(p.uuid),
                    &mut entity_id_index,
                    &mut entity_uuid_index,
                    &mut world.write(),
                );

                // add the GameProfileComponent if the uuid is in the tab list
                if let Some(tab_list) = tab_list {
                    // (technically this makes it possible for non-player entities to have
                    // GameProfileComponents but the server would have to be doing something
                    // really weird)
                    if let Some(player_info) = tab_list.get(&p.uuid) {
                        spawned.insert(GameProfileComponent(player_info.profile.clone()));
                    }
                }

                // the bundle doesn't include the default entity metadata so we add that
                // separately
                p.apply_metadata(&mut spawned);
            },
        );
    }

    pub fn set_entity_data(&mut self, p: &ClientboundSetEntityData) {
        as_system::<(
            Commands,
            Query<(&EntityIdIndex, &WorldHolder)>,
            // this is a separate query since it's applied on the entity id that's being updated
            // instead of the player that received the packet
            Query<&EntityKindComponent>,
        )>(self.ecs, |(mut commands, query, entity_kind_query)| {
            let (entity_id_index, world_holder) = query.get(self.player).unwrap();

            let entity = entity_id_index.get_by_minecraft_entity(p.id);

            let Some(entity) = entity else {
                // some servers like hypixel trigger this a lot :(
                debug!(
                    "Server sent an entity data packet for an entity id ({}) that we don't know about",
                    p.id
                );
                return;
            };

            let Ok(entity_kind) = entity_kind_query.get(entity) else {
                debug!(
                    "Server sent an entity data packet for an entity id ({}) that we have indexed as {entity} but they don't have EntityKind. Maybe a second local client that just disconnected?",
                    p.id
                );
                return;
            };
            let entity_kind = **entity_kind;

            debug!("Got set entity data packet {p:?} for entity of kind {entity_kind:?}");

            let packed_items = p.packed_items.clone().to_vec();

            // we use RelativeEntityUpdate because it makes sure changes aren't made
            // multiple times
            commands.entity(entity).queue(RelativeEntityUpdate::new(
                world_holder.partial.clone(),
                move |entity| {
                    let entity_id = entity.id();
                    entity.world_scope(|world| {
                        let mut commands_system_state = SystemState::<Commands>::new(world);
                        let mut commands = commands_system_state.get_mut(world);
                        let mut entity_commands = commands.entity(entity_id);
                        if let Err(e) =
                            apply_metadata(&mut entity_commands, entity_kind, packed_items)
                        {
                            warn!("{e}");
                        }
                        commands_system_state.apply(world);
                    });
                },
            ));
        });
    }

    pub fn update_attributes(&mut self, _p: &ClientboundUpdateAttributes) {
        // debug!("Got update attributes packet {p:?}");
    }

    pub fn set_entity_motion(&mut self, p: &ClientboundSetEntityMotion) {
        // vanilla servers use this packet for knockback, but note that the Explode
        // packet is also sometimes used by servers for knockback

        as_system::<(
            Commands,
            Query<(&EntityIdIndex, &WorldHolder)>,
            EntityUpdateQuery,
        )>(self.ecs, |(mut commands, query, entity_update_query)| {
            let (entity_id_index, world_holder) = query.get(self.player).unwrap();

            let Some(entity) = entity_id_index.get_by_minecraft_entity(p.id) else {
                // note that this log (and some other ones like the one in RemoveEntities)
                // sometimes happens when killing mobs. it seems to be a vanilla bug, which is
                // why it's a debug log instead of a warning
                debug!(
                    "Got set entity motion packet for unknown entity id {}",
                    p.id
                );
                return;
            };

            let data = KnockbackData::Set(p.delta.to_vec3());

            // this is to make sure the same entity velocity update doesn't get sent
            // multiple times when in swarms
            if should_apply_entity_update(
                &mut commands,
                &mut world_holder.partial.write(),
                entity,
                entity_update_query,
            ) {
                commands.trigger(KnockbackEvent { entity, data });
            }
        });
    }

    pub fn set_entity_link(&mut self, p: &ClientboundSetEntityLink) {
        debug!("Got set entity link packet {p:?}");
    }

    pub fn initialize_border(&mut self, p: &ClientboundInitializeBorder) {
        debug!("Got initialize border packet {p:?}");
    }

    pub fn set_time(&mut self, _p: &ClientboundSetTime) {
        // debug!("Got set time packet {p:?}");
    }

    pub fn set_default_spawn_position(&mut self, p: &ClientboundSetDefaultSpawnPosition) {
        debug!("Got set default spawn position packet {p:?}");
    }

    pub fn set_health(&mut self, p: &ClientboundSetHealth) {
        debug!("Got set health packet {p:?}");

        as_system::<Query<(&mut Health, &mut Hunger)>>(self.ecs, |mut query| {
            let (mut health, mut hunger) = query.get_mut(self.player).unwrap();

            **health = p.health;
            (hunger.food, hunger.saturation) = (p.food, p.saturation);

            // the `Dead` component is added by the `update_dead` system
            // in azalea-world and then the `dead_event` system fires
            // the Death event.
        });
    }

    pub fn set_experience(&mut self, p: &ClientboundSetExperience) {
        debug!("Got set experience packet {p:?}");

        as_system::<Query<&mut Experience>>(self.ecs, |mut query| {
            let mut experience = query.get_mut(self.player).unwrap();
            experience.progress = p.experience_progress;
            experience.level = p.experience_level;
            experience.total = p.total_experience;
        });
    }

    pub fn teleport_entity(&mut self, p: &ClientboundTeleportEntity) {
        debug!("Got teleport entity packet {p:?}");

        as_system::<(Commands, Query<(&EntityIdIndex, &WorldHolder)>)>(
            self.ecs,
            |(mut commands, query)| {
                let (entity_id_index, world_holder) = query.get(self.player).unwrap();

                let Some(entity) = entity_id_index.get_by_minecraft_entity(p.id) else {
                    warn!("Got teleport entity packet for unknown entity id {}", p.id);
                    return;
                };

                let relative = p.relative.clone();
                let change = p.change.clone();

                commands.entity(entity).queue(RelativeEntityUpdate::new(
                    world_holder.partial.clone(),
                    move |entity| {
                        let entity_id = entity.id();
                        entity.world_scope(move |world| {
                            let mut query =
                                world.query::<(&mut Physics, &mut LookDirection, &mut Position)>();
                            let (mut physics, mut look_direction, mut position) =
                                query.get_mut(world, entity_id).unwrap();
                            let old_position = *position;
                            relative.apply(
                                &change,
                                &mut position,
                                &mut look_direction,
                                &mut physics,
                            );
                            // old_pos is set to the current position when we're teleported
                            physics.set_old_pos(old_position);
                        });
                    },
                ));
            },
        );
    }

    pub fn update_advancements(&mut self, p: &ClientboundUpdateAdvancements) {
        debug!("Got update advancements packet {p:?}");
    }

    pub fn rotate_head(&mut self, _p: &ClientboundRotateHead) {}

    pub fn move_entity_pos(&mut self, p: &ClientboundMoveEntityPos) {
        as_system::<(
            Commands,
            Query<(&EntityIdIndex, &WorldHolder)>,
            MoveEntityQuery,
            EntityUpdateQuery,
        )>(
            self.ecs,
            |(commands, player_query, entity_query, entity_update_query)| {
                move_entity(
                    self.player,
                    commands,
                    MoveEntity {
                        entity_id: p.entity_id,
                        delta: Some(p.delta),
                        look_direction: None,
                        on_ground: p.on_ground,
                    },
                    player_query,
                    entity_query,
                    entity_update_query,
                );
            },
        );
    }
    pub fn move_entity_pos_rot(&mut self, p: &ClientboundMoveEntityPosRot) {
        as_system::<(
            Commands,
            Query<(&EntityIdIndex, &WorldHolder)>,
            MoveEntityQuery,
            EntityUpdateQuery,
        )>(
            self.ecs,
            |(commands, player_query, entity_query, entity_update_query)| {
                move_entity(
                    self.player,
                    commands,
                    MoveEntity {
                        entity_id: p.entity_id,
                        delta: Some(p.delta),
                        look_direction: Some(p.look_direction),
                        on_ground: p.on_ground,
                    },
                    player_query,
                    entity_query,
                    entity_update_query,
                );
            },
        );
    }
    pub fn move_entity_rot(&mut self, p: &ClientboundMoveEntityRot) {
        as_system::<(
            Commands,
            Query<(&EntityIdIndex, &WorldHolder)>,
            MoveEntityQuery,
            EntityUpdateQuery,
        )>(
            self.ecs,
            |(commands, player_query, entity_query, entity_update_query)| {
                move_entity(
                    self.player,
                    commands,
                    MoveEntity {
                        entity_id: p.entity_id,
                        delta: None,
                        look_direction: Some(p.look_direction),
                        on_ground: p.on_ground,
                    },
                    player_query,
                    entity_query,
                    entity_update_query,
                );
            },
        );
    }

    pub fn keep_alive(&mut self, p: &ClientboundKeepAlive) {
        debug!("Got keep alive packet {p:?} for {:?}", self.player);

        as_system::<Commands>(self.ecs, |mut commands| {
            commands.trigger(KeepAliveEvent {
                entity: self.player,
                id: p.id,
            });
            commands.trigger(SendGamePacketEvent::new(
                self.player,
                ServerboundKeepAlive { id: p.id },
            ));
        });
    }

    pub fn remove_entities(&mut self, p: &ClientboundRemoveEntities) {
        debug!("Got remove entities packet {p:?}");

        as_system::<(Query<&mut EntityIdIndex>, Query<&mut LoadedBy>)>(
            self.ecs,
            |(mut query, mut entity_query)| {
                let Ok(mut entity_id_index) = query.get_mut(self.player) else {
                    warn!("our local player doesn't have EntityIdIndex");
                    return;
                };

                for &id in &p.entity_ids {
                    let Some(entity) = entity_id_index.remove_by_minecraft_entity(id) else {
                        debug!(
                            "Tried to remove entity with id {id} but it wasn't in the EntityIdIndex. This may be expected on certain server setups (like if they're using VeryManyPlayers)."
                        );
                        continue;
                    };
                    let Ok(mut loaded_by) = entity_query.get_mut(entity) else {
                        warn!(
                            "tried to despawn entity {id} but it doesn't have a LoadedBy component",
                        );
                        continue;
                    };

                    // the `remove_despawned_entities_from_indexes` system will despawn the entity
                    // if it's not loaded by anything anymore

                    // also we can't just ecs.despawn because if we're in a swarm then the entity
                    // might still be loaded by another client

                    loaded_by.remove(&self.player);
                }
            },
        );
    }
    pub fn player_chat(&mut self, p: &ClientboundPlayerChat) {
        debug!("Got player chat packet {p:?}");

        as_system::<MessageWriter<_>>(self.ecs, |mut events| {
            events.write(ChatReceivedEvent {
                entity: self.player,
                packet: ChatPacket::Player(Arc::new(p.clone())),
            });
        });
    }

    pub fn system_chat(&mut self, p: &ClientboundSystemChat) {
        debug!("Got system chat packet {p:?}");

        as_system::<MessageWriter<_>>(self.ecs, |mut events| {
            events.write(ChatReceivedEvent {
                entity: self.player,
                packet: ChatPacket::System(Arc::new(p.clone())),
            });
        });
    }

    pub fn disguised_chat(&mut self, p: &ClientboundDisguisedChat) {
        debug!("Got disguised chat packet {p:?}");

        as_system::<MessageWriter<_>>(self.ecs, |mut events| {
            events.write(ChatReceivedEvent {
                entity: self.player,
                packet: ChatPacket::Disguised(Arc::new(p.clone())),
            });
        });
    }

    pub fn sound(&mut self, _p: &ClientboundSound) {}

    pub fn level_event(&mut self, p: &ClientboundLevelEvent) {
        debug!("Got level event packet {p:?}");
    }

    pub fn block_update(&mut self, p: &ClientboundBlockUpdate) {
        debug!("Got block update packet {p:?}");

        as_system::<Query<&mut QueuedServerBlockUpdates>>(self.ecs, |mut query| {
            let mut queued = query.get_mut(self.player).unwrap();
            queued.list.push((p.pos, p.block_state));
        });
    }

    pub fn animate(&mut self, p: &ClientboundAnimate) {
        debug!("Got animate packet {p:?}");
    }

    pub fn section_blocks_update(&mut self, p: &ClientboundSectionBlocksUpdate) {
        debug!("Got section blocks update packet {p:?}");

        as_system::<Query<&mut QueuedServerBlockUpdates>>(self.ecs, |mut query| {
            let mut queued = query.get_mut(self.player).unwrap();
            for new_state in &p.states {
                let pos = p.section_pos + new_state.pos;
                queued.list.push((pos, new_state.state));
            }
        });
    }

    pub fn game_event(&mut self, p: &ClientboundGameEvent) {
        use azalea_protocol::packets::game::c_game_event::EventType;

        debug!("Got game event packet {p:?}");

        #[allow(clippy::single_match)]
        match p.event {
            EventType::ChangeGameMode => {
                as_system::<Query<&mut LocalGameMode>>(self.ecs, |mut query| {
                    let mut local_game_mode = query.get_mut(self.player).unwrap();
                    if let Some(new_game_mode) = GameMode::from_id(p.param as u8) {
                        local_game_mode.current = new_game_mode;
                    }
                });
            }
            _ => {}
        }
    }

    pub fn level_particles(&mut self, p: &ClientboundLevelParticles) {
        debug!("Got level particles packet {p:?}");
    }

    pub fn server_data(&mut self, p: &ClientboundServerData) {
        debug!("Got server data packet {p:?}");
    }

    pub fn set_equipment(&mut self, p: &ClientboundSetEquipment) {
        debug!("Got set equipment packet {p:?}");
    }

    pub fn update_mob_effect(&mut self, p: &ClientboundUpdateMobEffect) {
        debug!("Got update mob effect packet {p:?}");

        as_system::<(
            Commands,
            Query<(&EntityIdIndex, &WorldHolder)>,
            EntityUpdateQuery,
        )>(self.ecs, |(mut commands, query, entity_update_query)| {
            let (entity_id_index, world_holder) = query.get(self.player).unwrap();

            let Some(entity) = entity_id_index.get_by_minecraft_entity(p.entity_id) else {
                debug!(
                    "Got update mob effect packet for unknown entity id {}",
                    p.entity_id
                );
                return;
            };

            if !should_apply_entity_update(
                &mut commands,
                &mut world_holder.partial.write(),
                entity,
                entity_update_query,
            ) {
                return;
            }

            commands.trigger(AddEffectEvent {
                entity,
                id: p.mob_effect,
                data: p.data.clone(),
            });
        });
    }

    pub fn award_stats(&mut self, _p: &ClientboundAwardStats) {}

    pub fn block_changed_ack(&mut self, p: &ClientboundBlockChangedAck) {
        as_system::<Query<(&WorldHolder, &mut BlockStatePredictionHandler)>>(
            self.ecs,
            |mut query| {
                let (local_player, mut prediction_handler) = query.get_mut(self.player).unwrap();
                let world = local_player.shared.read();
                prediction_handler.end_prediction_up_to(p.seq, &world);
            },
        );
    }

    pub fn block_destruction(&mut self, _p: &ClientboundBlockDestruction) {}

    pub fn block_entity_data(&mut self, _p: &ClientboundBlockEntityData) {}

    pub fn block_event(&mut self, p: &ClientboundBlockEvent) {
        debug!("Got block event packet {p:?}");
    }

    pub fn boss_event(&mut self, _p: &ClientboundBossEvent) {}

    pub fn command_suggestions(&mut self, _p: &ClientboundCommandSuggestions) {}

    pub fn container_set_content(&mut self, p: &ClientboundContainerSetContent) {
        debug!("Got container set content packet {p:?}");

        as_system::<(Commands, Query<&mut Inventory>)>(self.ecs, |(mut commands, mut query)| {
            let mut inventory = query.get_mut(self.player).unwrap();

            // container id 0 is always the player's inventory
            if p.container_id == 0 {
                // this is just so it has the same type as the `else` block
                for (i, slot) in p.items.iter().enumerate() {
                    if let Some(slot_mut) = inventory.inventory_menu.slot_mut(i) {
                        *slot_mut = slot.clone();
                    }
                }
            } else {
                commands.trigger(SetContainerContentEvent {
                    entity: self.player,
                    slots: p.items.clone(),
                    container_id: p.container_id,
                });
            }
        });
    }

    pub fn container_set_data(&mut self, p: &ClientboundContainerSetData) {
        debug!("Got container set data packet {p:?}");

        // TODO: handle ContainerSetData packet
        // this is used for various things like the furnace progress
        // bar
        // see https://minecraft.wiki/w/Java_Edition_protocol/Packets#Set_Container_Property

        // as_system::<Query<&mut Inventory>>(self.ecs, |mut query| {
        //     let inventory = query.get_mut(self.player).unwrap();
        // });
    }

    pub fn container_set_slot(&mut self, p: &ClientboundContainerSetSlot) {
        debug!("Got container set slot packet {p:?}");

        as_system::<Query<&mut Inventory>>(self.ecs, |mut query| {
            let mut inventory = query.get_mut(self.player).unwrap();

            if p.container_id == -1 {
                // -1 means carried item
                inventory.carried = p.item_stack.clone();
            } else if p.container_id == -2 {
                if let Some(slot) = inventory.inventory_menu.slot_mut(p.slot.into()) {
                    *slot = p.item_stack.clone();
                }
            } else {
                let is_creative_mode_and_inventory_closed = false;
                // technically minecraft has slightly different behavior here if you're in
                // creative mode and have your inventory open
                if p.container_id == 0 && azalea_inventory::Player::is_hotbar_slot(p.slot.into()) {
                    // minecraft also sets a "pop time" here which is used for an animation
                    // but that's not really necessary
                    if let Some(slot) = inventory.inventory_menu.slot_mut(p.slot.into()) {
                        *slot = p.item_stack.clone();
                    }
                } else if p.container_id == inventory.id
                    && (p.container_id != 0 || !is_creative_mode_and_inventory_closed)
                {
                    // var2.containerMenu.setItem(var4, var1.getStateId(), var3);
                    if let Some(slot) = inventory.menu_mut().slot_mut(p.slot.into()) {
                        *slot = p.item_stack.clone();
                        inventory.state_id = p.state_id;
                    }
                }
            }
        });
    }

    pub fn container_close(&mut self, p: &ClientboundContainerClose) {
        // there's a container_id field in the packet, but minecraft doesn't actually
        // check it

        debug!("Got container close packet {p:?}");

        as_system::<Commands>(self.ecs, |mut commands| {
            commands.trigger(ClientsideCloseContainerEvent {
                entity: self.player,
            });
        });
    }

    pub fn cooldown(&mut self, _p: &ClientboundCooldown) {}

    pub fn custom_chat_completions(&mut self, _p: &ClientboundCustomChatCompletions) {}

    pub fn delete_chat(&mut self, _p: &ClientboundDeleteChat) {}

    pub fn explode(&mut self, p: &ClientboundExplode) {
        debug!("Got explode packet {p:?}");

        as_system::<Commands>(self.ecs, |mut knockback_events| {
            if let Some(knockback) = p.player_knockback {
                knockback_events.trigger(KnockbackEvent {
                    entity: self.player,
                    data: KnockbackData::Add(knockback),
                });
            }
        });
    }

    pub fn forget_level_chunk(&mut self, p: &ClientboundForgetLevelChunk) {
        debug!("Got forget level chunk packet {p:?}");

        as_system::<Query<&WorldHolder>>(self.ecs, |mut query| {
            let local_player = query.get_mut(self.player).unwrap();

            let mut partial_world = local_player.partial.write();

            partial_world.chunks.limited_set(&p.pos, None);
        });
    }

    pub fn mount_screen_open(&mut self, _p: &ClientboundMountScreenOpen) {}

    pub fn map_item_data(&mut self, _p: &ClientboundMapItemData) {}

    pub fn merchant_offers(&mut self, _p: &ClientboundMerchantOffers) {}

    pub fn move_vehicle(&mut self, _p: &ClientboundMoveVehicle) {}

    pub fn open_book(&mut self, _p: &ClientboundOpenBook) {}

    pub fn open_screen(&mut self, p: &ClientboundOpenScreen) {
        debug!("Got open screen packet {p:?}");

        as_system::<Commands>(self.ecs, |mut commands| {
            commands.trigger(MenuOpenedEvent {
                entity: self.player,
                window_id: p.container_id,
                menu_type: p.menu_type,
                title: p.title.to_owned(),
            });
        });
    }

    pub fn open_sign_editor(&mut self, _p: &ClientboundOpenSignEditor) {}

    pub fn ping(&mut self, p: &ClientboundPing) {
        debug!("Got ping packet {p:?}");

        as_system::<Commands>(self.ecs, |mut commands| {
            commands.trigger(GamePingEvent {
                entity: self.player,
                packet: p.clone(),
            });
        });
    }

    pub fn place_ghost_recipe(&mut self, _p: &ClientboundPlaceGhostRecipe) {}

    pub fn player_combat_end(&mut self, _p: &ClientboundPlayerCombatEnd) {}

    pub fn player_combat_enter(&mut self, _p: &ClientboundPlayerCombatEnter) {}

    pub fn player_combat_kill(&mut self, p: &ClientboundPlayerCombatKill) {
        debug!("Got player kill packet {p:?}");

        as_system::<(
            Commands,
            Query<(&MinecraftEntityId, Option<&Dead>)>,
            MessageWriter<_>,
        )>(self.ecs, |(mut commands, mut query, mut events)| {
            let (entity_id, dead) = query.get_mut(self.player).unwrap();

            if *entity_id == p.player_id && dead.is_none() {
                commands.entity(self.player).insert(Dead);
                events.write(DeathEvent {
                    entity: self.player,
                    packet: Some(p.clone()),
                });
            }
        });
    }

    pub fn player_look_at(&mut self, _p: &ClientboundPlayerLookAt) {}

    pub fn remove_mob_effect(&mut self, p: &ClientboundRemoveMobEffect) {
        debug!("Got remove mob effect packet {p:?}");

        as_system::<(
            Commands,
            Query<(&EntityIdIndex, &WorldHolder)>,
            EntityUpdateQuery,
        )>(self.ecs, |(mut commands, query, entity_update_query)| {
            let (entity_id_index, world_holder) = query.get(self.player).unwrap();

            let Some(entity) = entity_id_index.get_by_minecraft_entity(p.entity_id) else {
                debug!(
                    "Got remove mob effect packet for unknown entity id {}",
                    p.entity_id
                );
                return;
            };

            if !should_apply_entity_update(
                &mut commands,
                &mut world_holder.partial.write(),
                entity,
                entity_update_query,
            ) {
                return;
            }

            commands.trigger(RemoveEffectsEvent {
                entity,
                effects: vec![p.effect],
            });
        });
    }

    pub fn resource_pack_push(&mut self, p: &ClientboundResourcePackPush) {
        debug!("Got resource pack packet {p:?}");

        as_system::<MessageWriter<_>>(self.ecs, |mut events| {
            events.write(ResourcePackEvent {
                entity: self.player,
                id: p.id,
                url: p.url.to_owned(),
                hash: p.hash.to_owned(),
                required: p.required,
                prompt: p.prompt.to_owned(),
            });
        });
    }

    pub fn resource_pack_pop(&mut self, _p: &ClientboundResourcePackPop) {}

    pub fn respawn(&mut self, p: &ClientboundRespawn) {
        debug!("Got respawn packet {p:?}");

        as_system::<(
            Commands,
            Query<
                (
                    &mut WorldHolder,
                    &GameProfileComponent,
                    &ClientInformation,
                    Option<&mut WorldName>,
                ),
                With<LocalEntity>,
            >,
            MessageWriter<_>,
            ResMut<Worlds>,
            Query<&mut LoadedBy, Without<LocalEntity>>,
        )>(
            self.ecs,
            |(mut commands, mut query, mut events, mut worlds, mut loaded_by_query)| {
                let Ok((mut world_holder, game_profile, client_information, world_name)) =
                    query.get_mut(self.player)
                else {
                    warn!("Got respawn packet but player doesn't have the required components");
                    return;
                };

                let new_world_name = WorldName(p.common.dimension.clone());

                if let Some(mut world_name) = world_name {
                    *world_name = new_world_name.clone();
                } else {
                    commands.entity(self.player).insert(new_world_name.clone());
                }

                let weak_world;
                {
                    let client_registries = &world_holder.shared.read().registries;
                    let Some((_dimension_type, dimension_data)) =
                        p.common.dimension_type(client_registries)
                    else {
                        return;
                    };

                    // add this world to the `worlds` (or don't if it's already there)
                    weak_world = worlds.get_or_insert(
                        new_world_name.clone(),
                        dimension_data.height,
                        dimension_data.min_y,
                        client_registries,
                    );
                    events.write(WorldLoadedEvent {
                        entity: self.player,
                        name: new_world_name.clone(),
                        world: Arc::downgrade(&weak_world),
                    });
                }

                // set the partial world to an empty world (when we add chunks or entities,
                // those will be in the `worlds`)

                *world_holder.partial.write() = PartialWorld::new(
                    azalea_world::chunk::calculate_chunk_storage_range(
                        client_information.view_distance.into(),
                    ),
                    Some(self.player),
                );
                world_holder.shared = weak_world;

                // every entity is now unloaded by this player
                for mut loaded_by in &mut loaded_by_query.iter_mut() {
                    loaded_by.remove(&self.player);
                }

                // this resets a bunch of our components like physics and stuff
                let entity_bundle = EntityBundle::new(
                    game_profile.uuid,
                    Vec3::ZERO,
                    EntityKind::Player,
                    new_world_name,
                );
                // update the local gamemode and metadata things
                commands.entity(self.player).insert((
                    LocalGameMode {
                        current: p.common.game_type,
                        previous: p.common.previous_game_type.into(),
                    },
                    entity_bundle,
                ));

                commands
                    .entity(self.player)
                    .remove::<(Dead, HasClientLoaded)>();
            },
        )
    }

    pub fn start_configuration(&mut self, _p: &ClientboundStartConfiguration) {
        debug!("Got start configuration packet");

        as_system::<(Commands, Query<(&mut RawConnection, &mut WorldHolder)>)>(
            self.ecs,
            |(mut commands, mut query)| {
                let Some((mut raw_conn, mut world_holder)) = query.get_mut(self.player).ok() else {
                    warn!("Got start configuration packet but player doesn't have a RawConnection");
                    return;
                };
                raw_conn.state = ConnectionProtocol::Configuration;

                commands.trigger(SendGamePacketEvent::new(
                    self.player,
                    ServerboundConfigurationAcknowledged,
                ));

                commands
                    .entity(self.player)
                    .insert(crate::client::InConfigState)
                    .remove::<crate::JoinedClientBundle>()
                    .remove::<EntityBundle>();

                world_holder.reset();
            },
        );
    }

    pub fn entity_position_sync(&mut self, p: &ClientboundEntityPositionSync) {
        as_system::<(
            Commands,
            Query<(&EntityIdIndex, &WorldHolder)>,
            Query<(
                &mut Physics,
                &mut Position,
                &mut LookDirection,
                Option<&LocalEntity>,
            )>,
            EntityUpdateQuery,
        )>(
            self.ecs,
            |(mut commands, mut query, mut entity_query, entity_update_query)| {
                let (entity_id_index, world_holder) = query.get_mut(self.player).unwrap();

                let Some(entity) = entity_id_index.get_by_minecraft_entity(p.id) else {
                    debug!("Got teleport entity packet for unknown entity id {}", p.id);
                    return;
                };

                let new_position = p.values.pos;
                let new_on_ground = p.on_ground;
                let new_look_direction = p.values.look_direction;

                if !should_apply_entity_update(
                    &mut commands,
                    &mut world_holder.partial.write(),
                    entity,
                    entity_update_query,
                ) {
                    return;
                }

                let Ok((mut physics, mut position, mut look_direction, local_entity)) =
                    entity_query.get_mut(entity)
                else {
                    return;
                };

                physics.vec_delta_codec.set_base(new_position);

                let is_client_authoritative = local_entity.is_some();
                if is_client_authoritative {
                    debug!("Ignoring entity position sync packet for local player");
                    return;
                }

                physics.set_on_ground(new_on_ground);

                if **position != new_position {
                    **position = new_position;
                }

                if *look_direction != new_look_direction {
                    *look_direction = new_look_direction;
                }
            },
        );
    }

    pub fn select_advancements_tab(&mut self, _p: &ClientboundSelectAdvancementsTab) {}
    pub fn set_action_bar_text(&mut self, _p: &ClientboundSetActionBarText) {}
    pub fn set_border_center(&mut self, _p: &ClientboundSetBorderCenter) {}
    pub fn set_border_lerp_size(&mut self, _p: &ClientboundSetBorderLerpSize) {}
    pub fn set_border_size(&mut self, _p: &ClientboundSetBorderSize) {}
    pub fn set_border_warning_delay(&mut self, _p: &ClientboundSetBorderWarningDelay) {}
    pub fn set_border_warning_distance(&mut self, _p: &ClientboundSetBorderWarningDistance) {}
    pub fn set_camera(&mut self, _p: &ClientboundSetCamera) {}
    pub fn set_display_objective(&mut self, _p: &ClientboundSetDisplayObjective) {}
    pub fn set_objective(&mut self, _p: &ClientboundSetObjective) {}
    pub fn set_passengers(&mut self, _p: &ClientboundSetPassengers) {}
    pub fn set_player_team(&mut self, p: &ClientboundSetPlayerTeam) {
        debug!("Got set player team packet {p:?}");
    }
    pub fn set_score(&mut self, _p: &ClientboundSetScore) {}
    pub fn set_simulation_distance(&mut self, _p: &ClientboundSetSimulationDistance) {}
    pub fn set_subtitle_text(&mut self, _p: &ClientboundSetSubtitleText) {}
    pub fn set_title_text(&mut self, _p: &ClientboundSetTitleText) {}
    pub fn set_titles_animation(&mut self, _p: &ClientboundSetTitlesAnimation) {}
    pub fn clear_titles(&mut self, _p: &ClientboundClearTitles) {}
    pub fn sound_entity(&mut self, _p: &ClientboundSoundEntity) {}
    pub fn stop_sound(&mut self, _p: &ClientboundStopSound) {}
    pub fn tab_list(&mut self, _p: &ClientboundTabList) {}
    pub fn tag_query(&mut self, _p: &ClientboundTagQuery) {}
    pub fn take_item_entity(&mut self, _p: &ClientboundTakeItemEntity) {}
    pub fn bundle_delimiter(&mut self, _p: &ClientboundBundleDelimiter) {}
    pub fn damage_event(&mut self, _p: &ClientboundDamageEvent) {}
    pub fn hurt_animation(&mut self, _p: &ClientboundHurtAnimation) {}
    pub fn ticking_state(&mut self, _p: &ClientboundTickingState) {}
    pub fn ticking_step(&mut self, _p: &ClientboundTickingStep) {}
    pub fn reset_score(&mut self, _p: &ClientboundResetScore) {}
    pub fn cookie_request(&mut self, p: &ClientboundCookieRequest) {
        debug!("Got cookie request packet {p:?}");
        as_system::<Commands>(self.ecs, |mut commands| {
            commands.trigger(RequestCookieEvent {
                entity: self.player,
                key: p.key.clone(),
            });
        });
    }
    pub fn store_cookie(&mut self, p: &ClientboundStoreCookie) {
        debug!("Got store cookie packet {p:?}");
        as_system::<Commands>(self.ecs, |mut commands| {
            commands.trigger(StoreCookieEvent {
                entity: self.player,
                key: p.key.clone(),
                payload: p.payload.clone(),
            });
        });
    }
    pub fn debug_sample(&mut self, _p: &ClientboundDebugSample) {}
    pub fn pong_response(&mut self, _p: &ClientboundPongResponse) {}
    pub fn transfer(&mut self, _p: &ClientboundTransfer) {}
    pub fn move_minecart_along_track(&mut self, _p: &ClientboundMoveMinecartAlongTrack) {}
    pub fn set_held_slot(&mut self, p: &ClientboundSetHeldSlot) {
        debug!("Got set held slot packet {p:?}");

        as_system::<Query<&mut Inventory>>(self.ecs, |mut query| {
            let mut inventory = query.get_mut(self.player).unwrap();
            if p.slot <= 8 {
                inventory.selected_hotbar_slot = p.slot as u8;
            }
        });
    }
    pub fn set_player_inventory(&mut self, _p: &ClientboundSetPlayerInventory) {}
    pub fn projectile_power(&mut self, _p: &ClientboundProjectilePower) {}
    pub fn custom_report_details(&mut self, _p: &ClientboundCustomReportDetails) {}
    pub fn server_links(&mut self, _p: &ClientboundServerLinks) {}
    pub fn player_rotation(&mut self, _p: &ClientboundPlayerRotation) {}
    pub fn recipe_book_add(&mut self, _p: &ClientboundRecipeBookAdd) {}
    pub fn recipe_book_remove(&mut self, _p: &ClientboundRecipeBookRemove) {}
    pub fn recipe_book_settings(&mut self, _p: &ClientboundRecipeBookSettings) {}
    pub fn test_instance_block_status(&mut self, _p: &ClientboundTestInstanceBlockStatus) {}
    pub fn waypoint(&mut self, _p: &ClientboundWaypoint) {}

    pub fn clear_dialog(&mut self, p: &ClientboundClearDialog) {
        debug!("Got clear dialog packet {p:?}");
    }
    pub fn show_dialog(&mut self, p: &ClientboundShowDialog) {
        debug!("Got show dialog packet {p:?}");
    }

    pub fn debug_block_value(&mut self, p: &ClientboundDebugBlockValue) {
        debug!("Got debug block value packet {p:?}");
    }
    pub fn debug_chunk_value(&mut self, p: &ClientboundDebugChunkValue) {
        debug!("Got debug chunk value packet {p:?}");
    }
    pub fn debug_entity_value(&mut self, p: &ClientboundDebugEntityValue) {
        debug!("Got debug entity value packet {p:?}");
    }

    pub fn debug_event(&mut self, p: &ClientboundDebugEvent) {
        debug!("Got debug event packet {p:?}");
    }
    pub fn game_test_highlight_pos(&mut self, p: &ClientboundGameTestHighlightPos) {
        debug!("Got game test highlight pos packet {p:?}");
    }
}

struct MoveEntity {
    pub entity_id: MinecraftEntityId,
    pub delta: Option<PositionDelta8>,
    pub look_direction: Option<CompactLookDirection>,
    pub on_ground: bool,
}

type MoveEntityQuery<'world, 'state, 'a> =
    Query<'world, 'state, (&'a mut Physics, &'a mut Position, &'a mut LookDirection)>;

fn move_entity(
    player_entity: Entity,
    mut commands: Commands,
    p: MoveEntity,
    player_query: Query<(&EntityIdIndex, &WorldHolder)>,
    mut entity_query: MoveEntityQuery,
    entity_update_query: EntityUpdateQuery,
) {
    let (entity_id_index, world_holder) = player_query.get(player_entity).unwrap();

    let entity_id = p.entity_id;
    let entity = entity_id_index.get_by_minecraft_entity(entity_id);

    let Some(entity) = entity else {
        // often triggered by hypixel :(
        debug!("Got move entity packet for unknown entity id {entity_id}");
        return;
    };

    let Ok((mut physics, mut position, mut look_direction)) = entity_query.get_mut(entity) else {
        debug!("Got move entity packet for entity with missing components {entity_id}");
        return;
    };

    if !should_apply_entity_update(
        &mut commands,
        &mut world_holder.partial.write(),
        entity,
        entity_update_query,
    ) {
        return;
    }

    if let Some(new_delta) = p.delta {
        let new_position = physics.vec_delta_codec.decode(&new_delta);
        physics.vec_delta_codec.set_base(new_position);

        if new_position != **position {
            **position = new_position;
        }
    }

    if let Some(new_look_direction) = p.look_direction {
        let new_look_direction = new_look_direction.into();
        if new_look_direction != *look_direction {
            *look_direction = new_look_direction;
        }
    }

    physics.set_on_ground(p.on_ground);
}