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|
use std::fmt::Formatter;
use azalea_client::{
inventory::{CloseContainerEvent, ContainerClickEvent, InventoryComponent},
packet_handling::PacketEvent,
Client, TickBroadcast,
};
use azalea_core::BlockPos;
use azalea_inventory::{operations::ClickOperation, ItemSlot, Menu};
use azalea_protocol::packets::game::ClientboundGamePacket;
use bevy_app::{App, Plugin};
use bevy_ecs::{component::Component, prelude::EventReader, system::Commands};
use std::fmt::Debug;
pub struct ContainerPlugin;
impl Plugin for ContainerPlugin {
fn build(&self, app: &mut App) {
app.add_system(handle_menu_opened_event);
}
}
pub trait ContainerClientExt {
async fn open_container(&mut self, pos: BlockPos) -> Option<ContainerHandle>;
fn open_inventory(&mut self) -> Option<ContainerHandle>;
}
impl ContainerClientExt for Client {
/// Open a container in the world, like a chest. Use
/// [`Client::open_inventory`] to open your own inventory.
///
/// ```
/// # use azalea::prelude::*;
/// # async fn example(mut bot: azalea::Client) {
/// let target_pos = bot
/// .world()
/// .read()
/// .find_block(bot.position(), &azalea::Block::Chest.into());
/// let Some(target_pos) = target_pos else {
/// bot.chat("no chest found");
/// return;
/// };
/// let container = bot.open_container(target_pos).await;
/// # }
/// ```
async fn open_container(&mut self, pos: BlockPos) -> Option<ContainerHandle> {
self.ecs
.lock()
.entity_mut(self.entity)
.insert(WaitingForInventoryOpen);
self.block_interact(pos);
let mut receiver = {
let ecs = self.ecs.lock();
let tick_broadcast = ecs.resource::<TickBroadcast>();
tick_broadcast.subscribe()
};
while receiver.recv().await.is_ok() {
let ecs = self.ecs.lock();
if ecs.get::<WaitingForInventoryOpen>(self.entity).is_none() {
break;
}
}
let ecs = self.ecs.lock();
let inventory = ecs
.get::<InventoryComponent>(self.entity)
.expect("no inventory");
if inventory.id == 0 {
None
} else {
Some(ContainerHandle {
id: inventory.id,
client: self.clone(),
})
}
}
/// Open the player's inventory. This will return None if another
/// container is open.
///
/// Note that this will send a packet to the server once it's dropped. Also,
/// due to how it's implemented, you could call this function multiple times
/// while another inventory handle already exists (but you shouldn't).
fn open_inventory(&mut self) -> Option<ContainerHandle> {
let ecs = self.ecs.lock();
let inventory = ecs
.get::<InventoryComponent>(self.entity)
.expect("no inventory");
if inventory.id == 0 {
Some(ContainerHandle {
id: 0,
client: self.clone(),
})
} else {
None
}
}
}
/// A handle to the open container. The container will be closed once this is
/// dropped.
pub struct ContainerHandle {
/// The id of the container. If this is 0, that means it's the player's
/// inventory.
id: u8,
client: Client,
}
impl Drop for ContainerHandle {
fn drop(&mut self) {
self.client.ecs.lock().send_event(CloseContainerEvent {
entity: self.client.entity,
id: self.id,
});
}
}
impl Debug for ContainerHandle {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
f.debug_struct("ContainerHandle")
.field("id", &self.id)
.finish()
}
}
impl ContainerHandle {
/// Get the id of the container. If this is 0, that means it's the player's
/// inventory. Otherwise, the number isn't really meaningful since only one
/// container can be open at a time.
pub fn id(&self) -> u8 {
self.id
}
/// Returns the menu of the container. If the container is closed, this
/// will return `None`.
pub fn menu(&self) -> Option<Menu> {
let ecs = self.client.ecs.lock();
let inventory = ecs
.get::<InventoryComponent>(self.client.entity)
.expect("no inventory");
// this also makes sure we can't access the inventory while a container is open
if inventory.id == self.id {
if self.id == 0 {
Some(inventory.inventory_menu.clone())
} else {
Some(inventory.container_menu.clone().unwrap())
}
} else {
None
}
}
/// Returns the item slots in the container, not including the player's
/// inventory. If the container is closed, this will return `None`.
pub fn contents(&self) -> Option<Vec<ItemSlot>> {
self.menu().map(|menu| menu.contents())
}
pub fn click(&self, operation: impl Into<ClickOperation>) {
let operation = operation.into();
self.client.ecs.lock().send_event(ContainerClickEvent {
entity: self.client.entity,
window_id: self.id,
operation,
});
}
}
#[derive(Component, Debug)]
pub struct WaitingForInventoryOpen;
fn handle_menu_opened_event(mut commands: Commands, mut events: EventReader<PacketEvent>) {
for event in events.iter() {
if let ClientboundGamePacket::ContainerSetContent { .. } = event.packet {
commands
.entity(event.entity)
.remove::<WaitingForInventoryOpen>();
}
}
}
|
